OBJS+= pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o
OBJS+= pflash_cfi01.o gumstix.o
OBJS+= spitz.o ide.o serial.o nand.o ecc.o
-OBJS+= omap.o omap_lcdc.o omap1_clk.o omap_mmc.o omap_i2c.o
+OBJS+= omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o
OBJS+= palm.o tsc210x.o
OBJS+= mst_fpga.o mainstone.o
CPPFLAGS += -DHAS_AUDIO
+++ /dev/null
-/*
- * TI OMAP processors emulation.
- *
- * Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-#include "hw.h"
-#include "arm-misc.h"
-#include "omap.h"
-#include "sysemu.h"
-#include "qemu-timer.h"
-/* We use pc-style serial ports. */
-#include "pc.h"
-
-/* Should signal the TCMI */
-uint32_t omap_badwidth_read8(void *opaque, target_phys_addr_t addr)
-{
- uint8_t ret;
-
- OMAP_8B_REG(addr);
- cpu_physical_memory_read(addr, (void *) &ret, 1);
- return ret;
-}
-
-void omap_badwidth_write8(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- uint8_t val8 = value;
-
- OMAP_8B_REG(addr);
- cpu_physical_memory_write(addr, (void *) &val8, 1);
-}
-
-uint32_t omap_badwidth_read16(void *opaque, target_phys_addr_t addr)
-{
- uint16_t ret;
-
- OMAP_16B_REG(addr);
- cpu_physical_memory_read(addr, (void *) &ret, 2);
- return ret;
-}
-
-void omap_badwidth_write16(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- uint16_t val16 = value;
-
- OMAP_16B_REG(addr);
- cpu_physical_memory_write(addr, (void *) &val16, 2);
-}
-
-uint32_t omap_badwidth_read32(void *opaque, target_phys_addr_t addr)
-{
- uint32_t ret;
-
- OMAP_32B_REG(addr);
- cpu_physical_memory_read(addr, (void *) &ret, 4);
- return ret;
-}
-
-void omap_badwidth_write32(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- OMAP_32B_REG(addr);
- cpu_physical_memory_write(addr, (void *) &value, 4);
-}
-
-/* Interrupt Handlers */
-struct omap_intr_handler_bank_s {
- uint32_t irqs;
- uint32_t inputs;
- uint32_t mask;
- uint32_t fiq;
- uint32_t sens_edge;
- unsigned char priority[32];
-};
-
-struct omap_intr_handler_s {
- qemu_irq *pins;
- qemu_irq parent_intr[2];
- target_phys_addr_t base;
- unsigned char nbanks;
-
- /* state */
- uint32_t new_agr[2];
- int sir_intr[2];
- struct omap_intr_handler_bank_s banks[];
-};
-
-static void omap_inth_sir_update(struct omap_intr_handler_s *s, int is_fiq)
-{
- int i, j, sir_intr, p_intr, p, f;
- uint32_t level;
- sir_intr = 0;
- p_intr = 255;
-
- /* Find the interrupt line with the highest dynamic priority.
- * Note: 0 denotes the hightest priority.
- * If all interrupts have the same priority, the default order is IRQ_N,
- * IRQ_N-1,...,IRQ_0. */
- for (j = 0; j < s->nbanks; ++j) {
- level = s->banks[j].irqs & ~s->banks[j].mask &
- (is_fiq ? s->banks[j].fiq : ~s->banks[j].fiq);
- for (f = ffs(level), i = f - 1, level >>= f - 1; f; i += f,
- level >>= f) {
- p = s->banks[j].priority[i];
- if (p <= p_intr) {
- p_intr = p;
- sir_intr = 32 * j + i;
- }
- f = ffs(level >> 1);
- }
- }
- s->sir_intr[is_fiq] = sir_intr;
-}
-
-static inline void omap_inth_update(struct omap_intr_handler_s *s, int is_fiq)
-{
- int i;
- uint32_t has_intr = 0;
-
- for (i = 0; i < s->nbanks; ++i)
- has_intr |= s->banks[i].irqs & ~s->banks[i].mask &
- (is_fiq ? s->banks[i].fiq : ~s->banks[i].fiq);
-
- if (s->new_agr[is_fiq] && has_intr) {
- s->new_agr[is_fiq] = 0;
- omap_inth_sir_update(s, is_fiq);
- qemu_set_irq(s->parent_intr[is_fiq], 1);
- }
-}
-
-#define INT_FALLING_EDGE 0
-#define INT_LOW_LEVEL 1
-
-static void omap_set_intr(void *opaque, int irq, int req)
-{
- struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque;
- uint32_t rise;
-
- struct omap_intr_handler_bank_s *bank = &ih->banks[irq >> 5];
- int n = irq & 31;
-
- if (req) {
- rise = ~bank->irqs & (1 << n);
- if (~bank->sens_edge & (1 << n))
- rise &= ~bank->inputs & (1 << n);
-
- bank->inputs |= (1 << n);
- if (rise) {
- bank->irqs |= rise;
- omap_inth_update(ih, 0);
- omap_inth_update(ih, 1);
- }
- } else {
- rise = bank->sens_edge & bank->irqs & (1 << n);
- bank->irqs &= ~rise;
- bank->inputs &= ~(1 << n);
- }
-}
-
-static uint32_t omap_inth_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
- int i, offset = addr - s->base;
- int bank_no = offset >> 8;
- int line_no;
- struct omap_intr_handler_bank_s *bank = &s->banks[bank_no];
- offset &= 0xff;
-
- switch (offset) {
- case 0x00: /* ITR */
- return bank->irqs;
-
- case 0x04: /* MIR */
- return bank->mask;
-
- case 0x10: /* SIR_IRQ_CODE */
- case 0x14: /* SIR_FIQ_CODE */
- if (bank_no != 0)
- break;
- line_no = s->sir_intr[(offset - 0x10) >> 2];
- bank = &s->banks[line_no >> 5];
- i = line_no & 31;
- if (((bank->sens_edge >> i) & 1) == INT_FALLING_EDGE)
- bank->irqs &= ~(1 << i);
- return line_no;
-
- case 0x18: /* CONTROL_REG */
- if (bank_no != 0)
- break;
- return 0;
-
- case 0x1c: /* ILR0 */
- case 0x20: /* ILR1 */
- case 0x24: /* ILR2 */
- case 0x28: /* ILR3 */
- case 0x2c: /* ILR4 */
- case 0x30: /* ILR5 */
- case 0x34: /* ILR6 */
- case 0x38: /* ILR7 */
- case 0x3c: /* ILR8 */
- case 0x40: /* ILR9 */
- case 0x44: /* ILR10 */
- case 0x48: /* ILR11 */
- case 0x4c: /* ILR12 */
- case 0x50: /* ILR13 */
- case 0x54: /* ILR14 */
- case 0x58: /* ILR15 */
- case 0x5c: /* ILR16 */
- case 0x60: /* ILR17 */
- case 0x64: /* ILR18 */
- case 0x68: /* ILR19 */
- case 0x6c: /* ILR20 */
- case 0x70: /* ILR21 */
- case 0x74: /* ILR22 */
- case 0x78: /* ILR23 */
- case 0x7c: /* ILR24 */
- case 0x80: /* ILR25 */
- case 0x84: /* ILR26 */
- case 0x88: /* ILR27 */
- case 0x8c: /* ILR28 */
- case 0x90: /* ILR29 */
- case 0x94: /* ILR30 */
- case 0x98: /* ILR31 */
- i = (offset - 0x1c) >> 2;
- return (bank->priority[i] << 2) |
- (((bank->sens_edge >> i) & 1) << 1) |
- ((bank->fiq >> i) & 1);
-
- case 0x9c: /* ISR */
- return 0x00000000;
-
- }
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_inth_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
- int i, offset = addr - s->base;
- int bank_no = offset >> 8;
- struct omap_intr_handler_bank_s *bank = &s->banks[bank_no];
- offset &= 0xff;
-
- switch (offset) {
- case 0x00: /* ITR */
- /* Important: ignore the clearing if the IRQ is level-triggered and
- the input bit is 1 */
- bank->irqs &= value | (bank->inputs & bank->sens_edge);
- return;
-
- case 0x04: /* MIR */
- bank->mask = value;
- omap_inth_update(s, 0);
- omap_inth_update(s, 1);
- return;
-
- case 0x10: /* SIR_IRQ_CODE */
- case 0x14: /* SIR_FIQ_CODE */
- OMAP_RO_REG(addr);
- break;
-
- case 0x18: /* CONTROL_REG */
- if (bank_no != 0)
- break;
- if (value & 2) {
- qemu_set_irq(s->parent_intr[1], 0);
- s->new_agr[1] = ~0;
- omap_inth_update(s, 1);
- }
- if (value & 1) {
- qemu_set_irq(s->parent_intr[0], 0);
- s->new_agr[0] = ~0;
- omap_inth_update(s, 0);
- }
- return;
-
- case 0x1c: /* ILR0 */
- case 0x20: /* ILR1 */
- case 0x24: /* ILR2 */
- case 0x28: /* ILR3 */
- case 0x2c: /* ILR4 */
- case 0x30: /* ILR5 */
- case 0x34: /* ILR6 */
- case 0x38: /* ILR7 */
- case 0x3c: /* ILR8 */
- case 0x40: /* ILR9 */
- case 0x44: /* ILR10 */
- case 0x48: /* ILR11 */
- case 0x4c: /* ILR12 */
- case 0x50: /* ILR13 */
- case 0x54: /* ILR14 */
- case 0x58: /* ILR15 */
- case 0x5c: /* ILR16 */
- case 0x60: /* ILR17 */
- case 0x64: /* ILR18 */
- case 0x68: /* ILR19 */
- case 0x6c: /* ILR20 */
- case 0x70: /* ILR21 */
- case 0x74: /* ILR22 */
- case 0x78: /* ILR23 */
- case 0x7c: /* ILR24 */
- case 0x80: /* ILR25 */
- case 0x84: /* ILR26 */
- case 0x88: /* ILR27 */
- case 0x8c: /* ILR28 */
- case 0x90: /* ILR29 */
- case 0x94: /* ILR30 */
- case 0x98: /* ILR31 */
- i = (offset - 0x1c) >> 2;
- bank->priority[i] = (value >> 2) & 0x1f;
- bank->sens_edge &= ~(1 << i);
- bank->sens_edge |= ((value >> 1) & 1) << i;
- bank->fiq &= ~(1 << i);
- bank->fiq |= (value & 1) << i;
- return;
-
- case 0x9c: /* ISR */
- for (i = 0; i < 32; i ++)
- if (value & (1 << i)) {
- omap_set_intr(s, 32 * bank_no + i, 1);
- return;
- }
- return;
- }
- OMAP_BAD_REG(addr);
-}
-
-static CPUReadMemoryFunc *omap_inth_readfn[] = {
- omap_badwidth_read32,
- omap_badwidth_read32,
- omap_inth_read,
-};
-
-static CPUWriteMemoryFunc *omap_inth_writefn[] = {
- omap_inth_write,
- omap_inth_write,
- omap_inth_write,
-};
-
-void omap_inth_reset(struct omap_intr_handler_s *s)
-{
- int i;
-
- for (i = 0; i < s->nbanks; ++i){
- s->banks[i].irqs = 0x00000000;
- s->banks[i].mask = 0xffffffff;
- s->banks[i].sens_edge = 0x00000000;
- s->banks[i].fiq = 0x00000000;
- s->banks[i].inputs = 0x00000000;
- memset(s->banks[i].priority, 0, sizeof(s->banks[i].priority));
- }
-
- s->new_agr[0] = ~0;
- s->new_agr[1] = ~0;
- s->sir_intr[0] = 0;
- s->sir_intr[1] = 0;
-
- qemu_set_irq(s->parent_intr[0], 0);
- qemu_set_irq(s->parent_intr[1], 0);
-}
-
-struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base,
- unsigned long size, unsigned char nbanks,
- qemu_irq parent_irq, qemu_irq parent_fiq, omap_clk clk)
-{
- int iomemtype;
- struct omap_intr_handler_s *s = (struct omap_intr_handler_s *)
- qemu_mallocz(sizeof(struct omap_intr_handler_s) +
- sizeof(struct omap_intr_handler_bank_s) * nbanks);
-
- s->parent_intr[0] = parent_irq;
- s->parent_intr[1] = parent_fiq;
- s->base = base;
- s->nbanks = nbanks;
- s->pins = qemu_allocate_irqs(omap_set_intr, s, nbanks * 32);
-
- omap_inth_reset(s);
-
- iomemtype = cpu_register_io_memory(0, omap_inth_readfn,
- omap_inth_writefn, s);
- cpu_register_physical_memory(s->base, size, iomemtype);
-
- return s;
-}
-
-/* OMAP1 DMA module */
-struct omap_dma_channel_s {
- /* transfer data */
- int burst[2];
- int pack[2];
- enum omap_dma_port port[2];
- target_phys_addr_t addr[2];
- omap_dma_addressing_t mode[2];
- uint16_t elements;
- uint16_t frames;
- int16_t frame_index[2];
- int16_t element_index[2];
- int data_type;
-
- /* transfer type */
- int transparent_copy;
- int constant_fill;
- uint32_t color;
-
- /* auto init and linked channel data */
- int end_prog;
- int repeat;
- int auto_init;
- int link_enabled;
- int link_next_ch;
-
- /* interruption data */
- int interrupts;
- int status;
-
- /* state data */
- int active;
- int enable;
- int sync;
- int pending_request;
- int waiting_end_prog;
- uint16_t cpc;
-
- /* sync type */
- int fs;
- int bs;
-
- /* compatibility */
- int omap_3_1_compatible_disable;
-
- qemu_irq irq;
- struct omap_dma_channel_s *sibling;
-
- struct omap_dma_reg_set_s {
- target_phys_addr_t src, dest;
- int frame;
- int element;
- int frame_delta[2];
- int elem_delta[2];
- int frames;
- int elements;
- } active_set;
-
- /* unused parameters */
- int priority;
- int interleave_disabled;
- int type;
-};
-
-struct omap_dma_s {
- QEMUTimer *tm;
- struct omap_mpu_state_s *mpu;
- target_phys_addr_t base;
- omap_clk clk;
- int64_t delay;
- uint32_t drq;
- enum omap_dma_model model;
- int omap_3_1_mapping_disabled;
-
- uint16_t gcr;
- int run_count;
-
- int chans;
- struct omap_dma_channel_s ch[16];
- struct omap_dma_lcd_channel_s lcd_ch;
-};
-
-/* Interrupts */
-#define TIMEOUT_INTR (1 << 0)
-#define EVENT_DROP_INTR (1 << 1)
-#define HALF_FRAME_INTR (1 << 2)
-#define END_FRAME_INTR (1 << 3)
-#define LAST_FRAME_INTR (1 << 4)
-#define END_BLOCK_INTR (1 << 5)
-#define SYNC (1 << 6)
-
-static void omap_dma_interrupts_update(struct omap_dma_s *s)
-{
- struct omap_dma_channel_s *ch = s->ch;
- int i;
-
- if (s->omap_3_1_mapping_disabled) {
- for (i = 0; i < s->chans; i ++, ch ++)
- if (ch->status)
- qemu_irq_raise(ch->irq);
- } else {
- /* First three interrupts are shared between two channels each. */
- for (i = 0; i < 6; i ++, ch ++) {
- if (ch->status || (ch->sibling && ch->sibling->status))
- qemu_irq_raise(ch->irq);
- }
- }
-}
-
-static void omap_dma_channel_load(struct omap_dma_s *s,
- struct omap_dma_channel_s *ch)
-{
- struct omap_dma_reg_set_s *a = &ch->active_set;
- int i;
- int omap_3_1 = !ch->omap_3_1_compatible_disable;
-
- /*
- * TODO: verify address ranges and alignment
- * TODO: port endianness
- */
-
- a->src = ch->addr[0];
- a->dest = ch->addr[1];
- a->frames = ch->frames;
- a->elements = ch->elements;
- a->frame = 0;
- a->element = 0;
-
- if (unlikely(!ch->elements || !ch->frames)) {
- printf("%s: bad DMA request\n", __FUNCTION__);
- return;
- }
-
- for (i = 0; i < 2; i ++)
- switch (ch->mode[i]) {
- case constant:
- a->elem_delta[i] = 0;
- a->frame_delta[i] = 0;
- break;
- case post_incremented:
- a->elem_delta[i] = ch->data_type;
- a->frame_delta[i] = 0;
- break;
- case single_index:
- a->elem_delta[i] = ch->data_type +
- ch->element_index[omap_3_1 ? 0 : i] - 1;
- a->frame_delta[i] = 0;
- break;
- case double_index:
- a->elem_delta[i] = ch->data_type +
- ch->element_index[omap_3_1 ? 0 : i] - 1;
- a->frame_delta[i] = ch->frame_index[omap_3_1 ? 0 : i] -
- ch->element_index[omap_3_1 ? 0 : i];
- break;
- default:
- break;
- }
-}
-
-static void omap_dma_activate_channel(struct omap_dma_s *s,
- struct omap_dma_channel_s *ch)
-{
- if (!ch->active) {
- ch->active = 1;
- if (ch->sync)
- ch->status |= SYNC;
- s->run_count ++;
- }
-
- if (s->delay && !qemu_timer_pending(s->tm))
- qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay);
-}
-
-static void omap_dma_deactivate_channel(struct omap_dma_s *s,
- struct omap_dma_channel_s *ch)
-{
- /* Update cpc */
- ch->cpc = ch->active_set.dest & 0xffff;
-
- if (ch->pending_request && !ch->waiting_end_prog) {
- /* Don't deactivate the channel */
- ch->pending_request = 0;
- if (ch->enable)
- return;
- }
-
- /* Don't deactive the channel if it is synchronized and the DMA request is
- active */
- if (ch->sync && (s->drq & (1 << ch->sync)) && ch->enable)
- return;
-
- if (ch->active) {
- ch->active = 0;
- ch->status &= ~SYNC;
- s->run_count --;
- }
-
- if (!s->run_count)
- qemu_del_timer(s->tm);
-}
-
-static void omap_dma_enable_channel(struct omap_dma_s *s,
- struct omap_dma_channel_s *ch)
-{
- if (!ch->enable) {
- ch->enable = 1;
- ch->waiting_end_prog = 0;
- omap_dma_channel_load(s, ch);
- if ((!ch->sync) || (s->drq & (1 << ch->sync)))
- omap_dma_activate_channel(s, ch);
- }
-}
-
-static void omap_dma_disable_channel(struct omap_dma_s *s,
- struct omap_dma_channel_s *ch)
-{
- if (ch->enable) {
- ch->enable = 0;
- /* Discard any pending request */
- ch->pending_request = 0;
- omap_dma_deactivate_channel(s, ch);
- }
-}
-
-static void omap_dma_channel_end_prog(struct omap_dma_s *s,
- struct omap_dma_channel_s *ch)
-{
- if (ch->waiting_end_prog) {
- ch->waiting_end_prog = 0;
- if (!ch->sync || ch->pending_request) {
- ch->pending_request = 0;
- omap_dma_activate_channel(s, ch);
- }
- }
-}
-
-static void omap_dma_enable_3_1_mapping(struct omap_dma_s *s)
-{
- s->omap_3_1_mapping_disabled = 0;
- s->chans = 9;
-}
-
-static void omap_dma_disable_3_1_mapping(struct omap_dma_s *s)
-{
- s->omap_3_1_mapping_disabled = 1;
- s->chans = 16;
-}
-
-static void omap_dma_process_request(struct omap_dma_s *s, int request)
-{
- int channel;
- int drop_event = 0;
- struct omap_dma_channel_s *ch = s->ch;
-
- for (channel = 0; channel < s->chans; channel ++, ch ++) {
- if (ch->enable && ch->sync == request) {
- if (!ch->active)
- omap_dma_activate_channel(s, ch);
- else if (!ch->pending_request)
- ch->pending_request = 1;
- else {
- /* Request collision */
- /* Second request received while processing other request */
- ch->status |= EVENT_DROP_INTR;
- drop_event = 1;
- }
- }
- }
-
- if (drop_event)
- omap_dma_interrupts_update(s);
-}
-
-static void omap_dma_channel_run(struct omap_dma_s *s)
-{
- int n = s->chans;
- uint16_t status;
- uint8_t value[4];
- struct omap_dma_port_if_s *src_p, *dest_p;
- struct omap_dma_reg_set_s *a;
- struct omap_dma_channel_s *ch;
-
- for (ch = s->ch; n; n --, ch ++) {
- if (!ch->active)
- continue;
-
- a = &ch->active_set;
-
- src_p = &s->mpu->port[ch->port[0]];
- dest_p = &s->mpu->port[ch->port[1]];
- if ((!ch->constant_fill && !src_p->addr_valid(s->mpu, a->src)) ||
- (!dest_p->addr_valid(s->mpu, a->dest))) {
-#if 0
- /* Bus time-out */
- if (ch->interrupts & TIMEOUT_INTR)
- ch->status |= TIMEOUT_INTR;
- omap_dma_deactivate_channel(s, ch);
- continue;
-#endif
- printf("%s: Bus time-out in DMA%i operation\n",
- __FUNCTION__, s->chans - n);
- }
-
- status = ch->status;
- while (status == ch->status && ch->active) {
- /* Transfer a single element */
- /* FIXME: check the endianness */
- if (!ch->constant_fill)
- cpu_physical_memory_read(a->src, value, ch->data_type);
- else
- *(uint32_t *) value = ch->color;
-
- if (!ch->transparent_copy ||
- *(uint32_t *) value != ch->color)
- cpu_physical_memory_write(a->dest, value, ch->data_type);
-
- a->src += a->elem_delta[0];
- a->dest += a->elem_delta[1];
- a->element ++;
-
- /* If the channel is element synchronized, deactivate it */
- if (ch->sync && !ch->fs && !ch->bs)
- omap_dma_deactivate_channel(s, ch);
-
- /* If it is the last frame, set the LAST_FRAME interrupt */
- if (a->element == 1 && a->frame == a->frames - 1)
- if (ch->interrupts & LAST_FRAME_INTR)
- ch->status |= LAST_FRAME_INTR;
-
- /* If the half of the frame was reached, set the HALF_FRAME
- interrupt */
- if (a->element == (a->elements >> 1))
- if (ch->interrupts & HALF_FRAME_INTR)
- ch->status |= HALF_FRAME_INTR;
-
- if (a->element == a->elements) {
- /* End of Frame */
- a->element = 0;
- a->src += a->frame_delta[0];
- a->dest += a->frame_delta[1];
- a->frame ++;
-
- /* If the channel is frame synchronized, deactivate it */
- if (ch->sync && ch->fs)
- omap_dma_deactivate_channel(s, ch);
-
- /* If the channel is async, update cpc */
- if (!ch->sync)
- ch->cpc = a->dest & 0xffff;
-
- /* Set the END_FRAME interrupt */
- if (ch->interrupts & END_FRAME_INTR)
- ch->status |= END_FRAME_INTR;
-
- if (a->frame == a->frames) {
- /* End of Block */
- /* Disable the channel */
-
- if (ch->omap_3_1_compatible_disable) {
- omap_dma_disable_channel(s, ch);
- if (ch->link_enabled)
- omap_dma_enable_channel(s,
- &s->ch[ch->link_next_ch]);
- } else {
- if (!ch->auto_init)
- omap_dma_disable_channel(s, ch);
- else if (ch->repeat || ch->end_prog)
- omap_dma_channel_load(s, ch);
- else {
- ch->waiting_end_prog = 1;
- omap_dma_deactivate_channel(s, ch);
- }
- }
-
- if (ch->interrupts & END_BLOCK_INTR)
- ch->status |= END_BLOCK_INTR;
- }
- }
- }
- }
-
- omap_dma_interrupts_update(s);
- if (s->run_count && s->delay)
- qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay);
-}
-
-static void omap_dma_reset(struct omap_dma_s *s)
-{
- int i;
-
- qemu_del_timer(s->tm);
- s->gcr = 0x0004;
- s->drq = 0x00000000;
- s->run_count = 0;
- s->lcd_ch.src = emiff;
- s->lcd_ch.condition = 0;
- s->lcd_ch.interrupts = 0;
- s->lcd_ch.dual = 0;
- omap_dma_enable_3_1_mapping(s);
- for (i = 0; i < s->chans; i ++) {
- memset(&s->ch[i].burst, 0, sizeof(s->ch[i].burst));
- memset(&s->ch[i].port, 0, sizeof(s->ch[i].port));
- memset(&s->ch[i].mode, 0, sizeof(s->ch[i].mode));
- memset(&s->ch[i].elements, 0, sizeof(s->ch[i].elements));
- memset(&s->ch[i].frames, 0, sizeof(s->ch[i].frames));
- memset(&s->ch[i].frame_index, 0, sizeof(s->ch[i].frame_index));
- memset(&s->ch[i].element_index, 0, sizeof(s->ch[i].element_index));
- memset(&s->ch[i].data_type, 0, sizeof(s->ch[i].data_type));
- memset(&s->ch[i].transparent_copy, 0,
- sizeof(s->ch[i].transparent_copy));
- memset(&s->ch[i].constant_fill, 0, sizeof(s->ch[i].constant_fill));
- memset(&s->ch[i].color, 0, sizeof(s->ch[i].color));
- memset(&s->ch[i].end_prog, 0, sizeof(s->ch[i].end_prog));
- memset(&s->ch[i].repeat, 0, sizeof(s->ch[i].repeat));
- memset(&s->ch[i].auto_init, 0, sizeof(s->ch[i].auto_init));
- memset(&s->ch[i].link_enabled, 0, sizeof(s->ch[i].link_enabled));
- memset(&s->ch[i].link_next_ch, 0, sizeof(s->ch[i].link_next_ch));
- s->ch[i].interrupts = 0x0003;
- memset(&s->ch[i].status, 0, sizeof(s->ch[i].status));
- memset(&s->ch[i].active, 0, sizeof(s->ch[i].active));
- memset(&s->ch[i].enable, 0, sizeof(s->ch[i].enable));
- memset(&s->ch[i].sync, 0, sizeof(s->ch[i].sync));
- memset(&s->ch[i].pending_request, 0, sizeof(s->ch[i].pending_request));
- memset(&s->ch[i].waiting_end_prog, 0,
- sizeof(s->ch[i].waiting_end_prog));
- memset(&s->ch[i].cpc, 0, sizeof(s->ch[i].cpc));
- memset(&s->ch[i].fs, 0, sizeof(s->ch[i].fs));
- memset(&s->ch[i].bs, 0, sizeof(s->ch[i].bs));
- memset(&s->ch[i].omap_3_1_compatible_disable, 0,
- sizeof(s->ch[i].omap_3_1_compatible_disable));
- memset(&s->ch[i].active_set, 0, sizeof(s->ch[i].active_set));
- memset(&s->ch[i].priority, 0, sizeof(s->ch[i].priority));
- memset(&s->ch[i].interleave_disabled, 0,
- sizeof(s->ch[i].interleave_disabled));
- memset(&s->ch[i].type, 0, sizeof(s->ch[i].type));
- }
-}
-
-static int omap_dma_ch_reg_read(struct omap_dma_s *s,
- struct omap_dma_channel_s *ch, int reg, uint16_t *value)
-{
- switch (reg) {
- case 0x00: /* SYS_DMA_CSDP_CH0 */
- *value = (ch->burst[1] << 14) |
- (ch->pack[1] << 13) |
- (ch->port[1] << 9) |
- (ch->burst[0] << 7) |
- (ch->pack[0] << 6) |
- (ch->port[0] << 2) |
- (ch->data_type >> 1);
- break;
-
- case 0x02: /* SYS_DMA_CCR_CH0 */
- if (s->model == omap_dma_3_1)
- *value = 0 << 10; /* FIFO_FLUSH reads as 0 */
- else
- *value = ch->omap_3_1_compatible_disable << 10;
- *value |= (ch->mode[1] << 14) |
- (ch->mode[0] << 12) |
- (ch->end_prog << 11) |
- (ch->repeat << 9) |
- (ch->auto_init << 8) |
- (ch->enable << 7) |
- (ch->priority << 6) |
- (ch->fs << 5) | ch->sync;
- break;
-
- case 0x04: /* SYS_DMA_CICR_CH0 */
- *value = ch->interrupts;
- break;
-
- case 0x06: /* SYS_DMA_CSR_CH0 */
- *value = ch->status;
- ch->status &= SYNC;
- if (!ch->omap_3_1_compatible_disable && ch->sibling) {
- *value |= (ch->sibling->status & 0x3f) << 6;
- ch->sibling->status &= SYNC;
- }
- qemu_irq_lower(ch->irq);
- break;
-
- case 0x08: /* SYS_DMA_CSSA_L_CH0 */
- *value = ch->addr[0] & 0x0000ffff;
- break;
-
- case 0x0a: /* SYS_DMA_CSSA_U_CH0 */
- *value = ch->addr[0] >> 16;
- break;
-
- case 0x0c: /* SYS_DMA_CDSA_L_CH0 */
- *value = ch->addr[1] & 0x0000ffff;
- break;
-
- case 0x0e: /* SYS_DMA_CDSA_U_CH0 */
- *value = ch->addr[1] >> 16;
- break;
-
- case 0x10: /* SYS_DMA_CEN_CH0 */
- *value = ch->elements;
- break;
-
- case 0x12: /* SYS_DMA_CFN_CH0 */
- *value = ch->frames;
- break;
-
- case 0x14: /* SYS_DMA_CFI_CH0 */
- *value = ch->frame_index[0];
- break;
-
- case 0x16: /* SYS_DMA_CEI_CH0 */
- *value = ch->element_index[0];
- break;
-
- case 0x18: /* SYS_DMA_CPC_CH0 or DMA_CSAC */
- if (ch->omap_3_1_compatible_disable)
- *value = ch->active_set.src & 0xffff; /* CSAC */
- else
- *value = ch->cpc;
- break;
-
- case 0x1a: /* DMA_CDAC */
- *value = ch->active_set.dest & 0xffff; /* CDAC */
- break;
-
- case 0x1c: /* DMA_CDEI */
- *value = ch->element_index[1];
- break;
-
- case 0x1e: /* DMA_CDFI */
- *value = ch->frame_index[1];
- break;
-
- case 0x20: /* DMA_COLOR_L */
- *value = ch->color & 0xffff;
- break;
-
- case 0x22: /* DMA_COLOR_U */
- *value = ch->color >> 16;
- break;
-
- case 0x24: /* DMA_CCR2 */
- *value = (ch->bs << 2) |
- (ch->transparent_copy << 1) |
- ch->constant_fill;
- break;
-
- case 0x28: /* DMA_CLNK_CTRL */
- *value = (ch->link_enabled << 15) |
- (ch->link_next_ch & 0xf);
- break;
-
- case 0x2a: /* DMA_LCH_CTRL */
- *value = (ch->interleave_disabled << 15) |
- ch->type;
- break;
-
- default:
- return 1;
- }
- return 0;
-}
-
-static int omap_dma_ch_reg_write(struct omap_dma_s *s,
- struct omap_dma_channel_s *ch, int reg, uint16_t value)
-{
- switch (reg) {
- case 0x00: /* SYS_DMA_CSDP_CH0 */
- ch->burst[1] = (value & 0xc000) >> 14;
- ch->pack[1] = (value & 0x2000) >> 13;
- ch->port[1] = (enum omap_dma_port) ((value & 0x1e00) >> 9);
- ch->burst[0] = (value & 0x0180) >> 7;
- ch->pack[0] = (value & 0x0040) >> 6;
- ch->port[0] = (enum omap_dma_port) ((value & 0x003c) >> 2);
- ch->data_type = (1 << (value & 3));
- if (ch->port[0] >= omap_dma_port_last)
- printf("%s: invalid DMA port %i\n", __FUNCTION__,
- ch->port[0]);
- if (ch->port[1] >= omap_dma_port_last)
- printf("%s: invalid DMA port %i\n", __FUNCTION__,
- ch->port[1]);
- if ((value & 3) == 3)
- printf("%s: bad data_type for DMA channel\n", __FUNCTION__);
- break;
-
- case 0x02: /* SYS_DMA_CCR_CH0 */
- ch->mode[1] = (omap_dma_addressing_t) ((value & 0xc000) >> 14);
- ch->mode[0] = (omap_dma_addressing_t) ((value & 0x3000) >> 12);
- ch->end_prog = (value & 0x0800) >> 11;
- if (s->model > omap_dma_3_1)
- ch->omap_3_1_compatible_disable = (value >> 10) & 0x1;
- ch->repeat = (value & 0x0200) >> 9;
- ch->auto_init = (value & 0x0100) >> 8;
- ch->priority = (value & 0x0040) >> 6;
- ch->fs = (value & 0x0020) >> 5;
- ch->sync = value & 0x001f;
-
- if (value & 0x0080)
- omap_dma_enable_channel(s, ch);
- else
- omap_dma_disable_channel(s, ch);
-
- if (ch->end_prog)
- omap_dma_channel_end_prog(s, ch);
-
- break;
-
- case 0x04: /* SYS_DMA_CICR_CH0 */
- ch->interrupts = value;
- break;
-
- case 0x06: /* SYS_DMA_CSR_CH0 */
- OMAP_RO_REG((target_phys_addr_t) reg);
- break;
-
- case 0x08: /* SYS_DMA_CSSA_L_CH0 */
- ch->addr[0] &= 0xffff0000;
- ch->addr[0] |= value;
- break;
-
- case 0x0a: /* SYS_DMA_CSSA_U_CH0 */
- ch->addr[0] &= 0x0000ffff;
- ch->addr[0] |= (uint32_t) value << 16;
- break;
-
- case 0x0c: /* SYS_DMA_CDSA_L_CH0 */
- ch->addr[1] &= 0xffff0000;
- ch->addr[1] |= value;
- break;
-
- case 0x0e: /* SYS_DMA_CDSA_U_CH0 */
- ch->addr[1] &= 0x0000ffff;
- ch->addr[1] |= (uint32_t) value << 16;
- break;
-
- case 0x10: /* SYS_DMA_CEN_CH0 */
- ch->elements = value;
- break;
-
- case 0x12: /* SYS_DMA_CFN_CH0 */
- ch->frames = value;
- break;
-
- case 0x14: /* SYS_DMA_CFI_CH0 */
- ch->frame_index[0] = (int16_t) value;
- break;
-
- case 0x16: /* SYS_DMA_CEI_CH0 */
- ch->element_index[0] = (int16_t) value;
- break;
-
- case 0x18: /* SYS_DMA_CPC_CH0 or DMA_CSAC */
- OMAP_RO_REG((target_phys_addr_t) reg);
- break;
-
- case 0x1c: /* DMA_CDEI */
- ch->element_index[1] = (int16_t) value;
- break;
-
- case 0x1e: /* DMA_CDFI */
- ch->frame_index[1] = (int16_t) value;
- break;
-
- case 0x20: /* DMA_COLOR_L */
- ch->color &= 0xffff0000;
- ch->color |= value;
- break;
-
- case 0x22: /* DMA_COLOR_U */
- ch->color &= 0xffff;
- ch->color |= value << 16;
- break;
-
- case 0x24: /* DMA_CCR2 */
- ch->bs = (value >> 2) & 0x1;
- ch->transparent_copy = (value >> 1) & 0x1;
- ch->constant_fill = value & 0x1;
- break;
-
- case 0x28: /* DMA_CLNK_CTRL */
- ch->link_enabled = (value >> 15) & 0x1;
- if (value & (1 << 14)) { /* Stop_Lnk */
- ch->link_enabled = 0;
- omap_dma_disable_channel(s, ch);
- }
- ch->link_next_ch = value & 0x1f;
- break;
-
- case 0x2a: /* DMA_LCH_CTRL */
- ch->interleave_disabled = (value >> 15) & 0x1;
- ch->type = value & 0xf;
- break;
-
- default:
- return 1;
- }
- return 0;
-}
-
-static int omap_dma_3_2_lcd_write(struct omap_dma_lcd_channel_s *s, int offset,
- uint16_t value)
-{
- switch (offset) {
- case 0xbc0: /* DMA_LCD_CSDP */
- s->brust_f2 = (value >> 14) & 0x3;
- s->pack_f2 = (value >> 13) & 0x1;
- s->data_type_f2 = (1 << ((value >> 11) & 0x3));
- s->brust_f1 = (value >> 7) & 0x3;
- s->pack_f1 = (value >> 6) & 0x1;
- s->data_type_f1 = (1 << ((value >> 0) & 0x3));
- break;
-
- case 0xbc2: /* DMA_LCD_CCR */
- s->mode_f2 = (value >> 14) & 0x3;
- s->mode_f1 = (value >> 12) & 0x3;
- s->end_prog = (value >> 11) & 0x1;
- s->omap_3_1_compatible_disable = (value >> 10) & 0x1;
- s->repeat = (value >> 9) & 0x1;
- s->auto_init = (value >> 8) & 0x1;
- s->running = (value >> 7) & 0x1;
- s->priority = (value >> 6) & 0x1;
- s->bs = (value >> 4) & 0x1;
- break;
-
- case 0xbc4: /* DMA_LCD_CTRL */
- s->dst = (value >> 8) & 0x1;
- s->src = ((value >> 6) & 0x3) << 1;
- s->condition = 0;
- /* Assume no bus errors and thus no BUS_ERROR irq bits. */
- s->interrupts = (value >> 1) & 1;
- s->dual = value & 1;
- break;
-
- case 0xbc8: /* TOP_B1_L */
- s->src_f1_top &= 0xffff0000;
- s->src_f1_top |= 0x0000ffff & value;
- break;
-
- case 0xbca: /* TOP_B1_U */
- s->src_f1_top &= 0x0000ffff;
- s->src_f1_top |= value << 16;
- break;
-
- case 0xbcc: /* BOT_B1_L */
- s->src_f1_bottom &= 0xffff0000;
- s->src_f1_bottom |= 0x0000ffff & value;
- break;
-
- case 0xbce: /* BOT_B1_U */
- s->src_f1_bottom &= 0x0000ffff;
- s->src_f1_bottom |= (uint32_t) value << 16;
- break;
-
- case 0xbd0: /* TOP_B2_L */
- s->src_f2_top &= 0xffff0000;
- s->src_f2_top |= 0x0000ffff & value;
- break;
-
- case 0xbd2: /* TOP_B2_U */
- s->src_f2_top &= 0x0000ffff;
- s->src_f2_top |= (uint32_t) value << 16;
- break;
-
- case 0xbd4: /* BOT_B2_L */
- s->src_f2_bottom &= 0xffff0000;
- s->src_f2_bottom |= 0x0000ffff & value;
- break;
-
- case 0xbd6: /* BOT_B2_U */
- s->src_f2_bottom &= 0x0000ffff;
- s->src_f2_bottom |= (uint32_t) value << 16;
- break;
-
- case 0xbd8: /* DMA_LCD_SRC_EI_B1 */
- s->element_index_f1 = value;
- break;
-
- case 0xbda: /* DMA_LCD_SRC_FI_B1_L */
- s->frame_index_f1 &= 0xffff0000;
- s->frame_index_f1 |= 0x0000ffff & value;
- break;
-
- case 0xbf4: /* DMA_LCD_SRC_FI_B1_U */
- s->frame_index_f1 &= 0x0000ffff;
- s->frame_index_f1 |= (uint32_t) value << 16;
- break;
-
- case 0xbdc: /* DMA_LCD_SRC_EI_B2 */
- s->element_index_f2 = value;
- break;
-
- case 0xbde: /* DMA_LCD_SRC_FI_B2_L */
- s->frame_index_f2 &= 0xffff0000;
- s->frame_index_f2 |= 0x0000ffff & value;
- break;
-
- case 0xbf6: /* DMA_LCD_SRC_FI_B2_U */
- s->frame_index_f2 &= 0x0000ffff;
- s->frame_index_f2 |= (uint32_t) value << 16;
- break;
-
- case 0xbe0: /* DMA_LCD_SRC_EN_B1 */
- s->elements_f1 = value;
- break;
-
- case 0xbe4: /* DMA_LCD_SRC_FN_B1 */
- s->frames_f1 = value;
- break;
-
- case 0xbe2: /* DMA_LCD_SRC_EN_B2 */
- s->elements_f2 = value;
- break;
-
- case 0xbe6: /* DMA_LCD_SRC_FN_B2 */
- s->frames_f2 = value;
- break;
-
- case 0xbea: /* DMA_LCD_LCH_CTRL */
- s->lch_type = value & 0xf;
- break;
-
- default:
- return 1;
- }
- return 0;
-}
-
-static int omap_dma_3_2_lcd_read(struct omap_dma_lcd_channel_s *s, int offset,
- uint16_t *ret)
-{
- switch (offset) {
- case 0xbc0: /* DMA_LCD_CSDP */
- *ret = (s->brust_f2 << 14) |
- (s->pack_f2 << 13) |
- ((s->data_type_f2 >> 1) << 11) |
- (s->brust_f1 << 7) |
- (s->pack_f1 << 6) |
- ((s->data_type_f1 >> 1) << 0);
- break;
-
- case 0xbc2: /* DMA_LCD_CCR */
- *ret = (s->mode_f2 << 14) |
- (s->mode_f1 << 12) |
- (s->end_prog << 11) |
- (s->omap_3_1_compatible_disable << 10) |
- (s->repeat << 9) |
- (s->auto_init << 8) |
- (s->running << 7) |
- (s->priority << 6) |
- (s->bs << 4);
- break;
-
- case 0xbc4: /* DMA_LCD_CTRL */
- qemu_irq_lower(s->irq);
- *ret = (s->dst << 8) |
- ((s->src & 0x6) << 5) |
- (s->condition << 3) |
- (s->interrupts << 1) |
- s->dual;
- break;
-
- case 0xbc8: /* TOP_B1_L */
- *ret = s->src_f1_top & 0xffff;
- break;
-
- case 0xbca: /* TOP_B1_U */
- *ret = s->src_f1_top >> 16;
- break;
-
- case 0xbcc: /* BOT_B1_L */
- *ret = s->src_f1_bottom & 0xffff;
- break;
-
- case 0xbce: /* BOT_B1_U */
- *ret = s->src_f1_bottom >> 16;
- break;
-
- case 0xbd0: /* TOP_B2_L */
- *ret = s->src_f2_top & 0xffff;
- break;
-
- case 0xbd2: /* TOP_B2_U */
- *ret = s->src_f2_top >> 16;
- break;
-
- case 0xbd4: /* BOT_B2_L */
- *ret = s->src_f2_bottom & 0xffff;
- break;
-
- case 0xbd6: /* BOT_B2_U */
- *ret = s->src_f2_bottom >> 16;
- break;
-
- case 0xbd8: /* DMA_LCD_SRC_EI_B1 */
- *ret = s->element_index_f1;
- break;
-
- case 0xbda: /* DMA_LCD_SRC_FI_B1_L */
- *ret = s->frame_index_f1 & 0xffff;
- break;
-
- case 0xbf4: /* DMA_LCD_SRC_FI_B1_U */
- *ret = s->frame_index_f1 >> 16;
- break;
-
- case 0xbdc: /* DMA_LCD_SRC_EI_B2 */
- *ret = s->element_index_f2;
- break;
-
- case 0xbde: /* DMA_LCD_SRC_FI_B2_L */
- *ret = s->frame_index_f2 & 0xffff;
- break;
-
- case 0xbf6: /* DMA_LCD_SRC_FI_B2_U */
- *ret = s->frame_index_f2 >> 16;
- break;
-
- case 0xbe0: /* DMA_LCD_SRC_EN_B1 */
- *ret = s->elements_f1;
- break;
-
- case 0xbe4: /* DMA_LCD_SRC_FN_B1 */
- *ret = s->frames_f1;
- break;
-
- case 0xbe2: /* DMA_LCD_SRC_EN_B2 */
- *ret = s->elements_f2;
- break;
-
- case 0xbe6: /* DMA_LCD_SRC_FN_B2 */
- *ret = s->frames_f2;
- break;
-
- case 0xbea: /* DMA_LCD_LCH_CTRL */
- *ret = s->lch_type;
- break;
-
- default:
- return 1;
- }
- return 0;
-}
-
-static int omap_dma_3_1_lcd_write(struct omap_dma_lcd_channel_s *s, int offset,
- uint16_t value)
-{
- switch (offset) {
- case 0x300: /* SYS_DMA_LCD_CTRL */
- s->src = (value & 0x40) ? imif : emiff;
- s->condition = 0;
- /* Assume no bus errors and thus no BUS_ERROR irq bits. */
- s->interrupts = (value >> 1) & 1;
- s->dual = value & 1;
- break;
-
- case 0x302: /* SYS_DMA_LCD_TOP_F1_L */
- s->src_f1_top &= 0xffff0000;
- s->src_f1_top |= 0x0000ffff & value;
- break;
-
- case 0x304: /* SYS_DMA_LCD_TOP_F1_U */
- s->src_f1_top &= 0x0000ffff;
- s->src_f1_top |= value << 16;
- break;
-
- case 0x306: /* SYS_DMA_LCD_BOT_F1_L */
- s->src_f1_bottom &= 0xffff0000;
- s->src_f1_bottom |= 0x0000ffff & value;
- break;
-
- case 0x308: /* SYS_DMA_LCD_BOT_F1_U */
- s->src_f1_bottom &= 0x0000ffff;
- s->src_f1_bottom |= value << 16;
- break;
-
- case 0x30a: /* SYS_DMA_LCD_TOP_F2_L */
- s->src_f2_top &= 0xffff0000;
- s->src_f2_top |= 0x0000ffff & value;
- break;
-
- case 0x30c: /* SYS_DMA_LCD_TOP_F2_U */
- s->src_f2_top &= 0x0000ffff;
- s->src_f2_top |= value << 16;
- break;
-
- case 0x30e: /* SYS_DMA_LCD_BOT_F2_L */
- s->src_f2_bottom &= 0xffff0000;
- s->src_f2_bottom |= 0x0000ffff & value;
- break;
-
- case 0x310: /* SYS_DMA_LCD_BOT_F2_U */
- s->src_f2_bottom &= 0x0000ffff;
- s->src_f2_bottom |= value << 16;
- break;
-
- default:
- return 1;
- }
- return 0;
-}
-
-static int omap_dma_3_1_lcd_read(struct omap_dma_lcd_channel_s *s, int offset,
- uint16_t *ret)
-{
- int i;
-
- switch (offset) {
- case 0x300: /* SYS_DMA_LCD_CTRL */
- i = s->condition;
- s->condition = 0;
- qemu_irq_lower(s->irq);
- *ret = ((s->src == imif) << 6) | (i << 3) |
- (s->interrupts << 1) | s->dual;
- break;
-
- case 0x302: /* SYS_DMA_LCD_TOP_F1_L */
- *ret = s->src_f1_top & 0xffff;
- break;
-
- case 0x304: /* SYS_DMA_LCD_TOP_F1_U */
- *ret = s->src_f1_top >> 16;
- break;
-
- case 0x306: /* SYS_DMA_LCD_BOT_F1_L */
- *ret = s->src_f1_bottom & 0xffff;
- break;
-
- case 0x308: /* SYS_DMA_LCD_BOT_F1_U */
- *ret = s->src_f1_bottom >> 16;
- break;
-
- case 0x30a: /* SYS_DMA_LCD_TOP_F2_L */
- *ret = s->src_f2_top & 0xffff;
- break;
-
- case 0x30c: /* SYS_DMA_LCD_TOP_F2_U */
- *ret = s->src_f2_top >> 16;
- break;
-
- case 0x30e: /* SYS_DMA_LCD_BOT_F2_L */
- *ret = s->src_f2_bottom & 0xffff;
- break;
-
- case 0x310: /* SYS_DMA_LCD_BOT_F2_U */
- *ret = s->src_f2_bottom >> 16;
- break;
-
- default:
- return 1;
- }
- return 0;
-}
-
-static int omap_dma_sys_write(struct omap_dma_s *s, int offset, uint16_t value)
-{
- switch (offset) {
- case 0x400: /* SYS_DMA_GCR */
- s->gcr = value;
- break;
-
- case 0x404: /* DMA_GSCR */
- if (value & 0x8)
- omap_dma_disable_3_1_mapping(s);
- else
- omap_dma_enable_3_1_mapping(s);
- break;
-
- case 0x408: /* DMA_GRST */
- if (value & 0x1)
- omap_dma_reset(s);
- break;
-
- default:
- return 1;
- }
- return 0;
-}
-
-static int omap_dma_sys_read(struct omap_dma_s *s, int offset,
- uint16_t *ret)
-{
- switch (offset) {
- case 0x400: /* SYS_DMA_GCR */
- *ret = s->gcr;
- break;
-
- case 0x404: /* DMA_GSCR */
- *ret = s->omap_3_1_mapping_disabled << 3;
- break;
-
- case 0x408: /* DMA_GRST */
- *ret = 0;
- break;
-
- case 0x442: /* DMA_HW_ID */
- case 0x444: /* DMA_PCh2_ID */
- case 0x446: /* DMA_PCh0_ID */
- case 0x448: /* DMA_PCh1_ID */
- case 0x44a: /* DMA_PChG_ID */
- case 0x44c: /* DMA_PChD_ID */
- *ret = 1;
- break;
-
- case 0x44e: /* DMA_CAPS_0_U */
- *ret = (1 << 3) | /* Constant Fill Capacity */
- (1 << 2); /* Transparent BLT Capacity */
- break;
-
- case 0x450: /* DMA_CAPS_0_L */
- case 0x452: /* DMA_CAPS_1_U */
- *ret = 0;
- break;
-
- case 0x454: /* DMA_CAPS_1_L */
- *ret = (1 << 1); /* 1-bit palletized capability */
- break;
-
- case 0x456: /* DMA_CAPS_2 */
- *ret = (1 << 8) | /* SSDIC */
- (1 << 7) | /* DDIAC */
- (1 << 6) | /* DSIAC */
- (1 << 5) | /* DPIAC */
- (1 << 4) | /* DCAC */
- (1 << 3) | /* SDIAC */
- (1 << 2) | /* SSIAC */
- (1 << 1) | /* SPIAC */
- 1; /* SCAC */
- break;
-
- case 0x458: /* DMA_CAPS_3 */
- *ret = (1 << 5) | /* CCC */
- (1 << 4) | /* IC */
- (1 << 3) | /* ARC */
- (1 << 2) | /* AEC */
- (1 << 1) | /* FSC */
- 1; /* ESC */
- break;
-
- case 0x45a: /* DMA_CAPS_4 */
- *ret = (1 << 6) | /* SSC */
- (1 << 5) | /* BIC */
- (1 << 4) | /* LFIC */
- (1 << 3) | /* FIC */
- (1 << 2) | /* HFIC */
- (1 << 1) | /* EDIC */
- 1; /* TOIC */
- break;
-
- case 0x460: /* DMA_PCh2_SR */
- case 0x480: /* DMA_PCh0_SR */
- case 0x482: /* DMA_PCh1_SR */
- case 0x4c0: /* DMA_PChD_SR_0 */
- printf("%s: Physical Channel Status Registers not implemented.\n",
- __FUNCTION__);
- *ret = 0xff;
- break;
-
- default:
- return 1;
- }
- return 0;
-}
-
-static uint32_t omap_dma_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_dma_s *s = (struct omap_dma_s *) opaque;
- int reg, ch, offset = addr - s->base;
- uint16_t ret;
-
- switch (offset) {
- case 0x300 ... 0x3fe:
- if (s->model == omap_dma_3_1 || !s->omap_3_1_mapping_disabled) {
- if (omap_dma_3_1_lcd_read(&s->lcd_ch, offset, &ret))
- break;
- return ret;
- }
- /* Fall through. */
- case 0x000 ... 0x2fe:
- reg = offset & 0x3f;
- ch = (offset >> 6) & 0x0f;
- if (omap_dma_ch_reg_read(s, &s->ch[ch], reg, &ret))
- break;
- return ret;
-
- case 0x404 ... 0x4fe:
- if (s->model == omap_dma_3_1)
- break;
- /* Fall through. */
- case 0x400:
- if (omap_dma_sys_read(s, offset, &ret))
- break;
- return ret;
-
- case 0xb00 ... 0xbfe:
- if (s->model == omap_dma_3_2 && s->omap_3_1_mapping_disabled) {
- if (omap_dma_3_2_lcd_read(&s->lcd_ch, offset, &ret))
- break;
- return ret;
- }
- break;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_dma_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_dma_s *s = (struct omap_dma_s *) opaque;
- int reg, ch, offset = addr - s->base;
-
- switch (offset) {
- case 0x300 ... 0x3fe:
- if (s->model == omap_dma_3_1 || !s->omap_3_1_mapping_disabled) {
- if (omap_dma_3_1_lcd_write(&s->lcd_ch, offset, value))
- break;
- return;
- }
- /* Fall through. */
- case 0x000 ... 0x2fe:
- reg = offset & 0x3f;
- ch = (offset >> 6) & 0x0f;
- if (omap_dma_ch_reg_write(s, &s->ch[ch], reg, value))
- break;
- return;
-
- case 0x404 ... 0x4fe:
- if (s->model == omap_dma_3_1)
- break;
- case 0x400:
- /* Fall through. */
- if (omap_dma_sys_write(s, offset, value))
- break;
- return;
-
- case 0xb00 ... 0xbfe:
- if (s->model == omap_dma_3_2 && s->omap_3_1_mapping_disabled) {
- if (omap_dma_3_2_lcd_write(&s->lcd_ch, offset, value))
- break;
- return;
- }
- break;
- }
-
- OMAP_BAD_REG(addr);
-}
-
-static CPUReadMemoryFunc *omap_dma_readfn[] = {
- omap_badwidth_read16,
- omap_dma_read,
- omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc *omap_dma_writefn[] = {
- omap_badwidth_write16,
- omap_dma_write,
- omap_badwidth_write16,
-};
-
-static void omap_dma_request(void *opaque, int drq, int req)
-{
- struct omap_dma_s *s = (struct omap_dma_s *) opaque;
- /* The request pins are level triggered. */
- if (req) {
- if (~s->drq & (1 << drq)) {
- s->drq |= 1 << drq;
- omap_dma_process_request(s, drq);
- }
- } else
- s->drq &= ~(1 << drq);
-}
-
-static void omap_dma_clk_update(void *opaque, int line, int on)
-{
- struct omap_dma_s *s = (struct omap_dma_s *) opaque;
-
- if (on) {
- /* TODO: make a clever calculation */
- s->delay = ticks_per_sec >> 8;
- if (s->run_count)
- qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay);
- } else {
- s->delay = 0;
- qemu_del_timer(s->tm);
- }
-}
-
-struct omap_dma_s *omap_dma_init(target_phys_addr_t base, qemu_irq *irqs,
- qemu_irq lcd_irq, struct omap_mpu_state_s *mpu, omap_clk clk,
- enum omap_dma_model model)
-{
- int iomemtype, num_irqs, memsize, i;
- struct omap_dma_s *s = (struct omap_dma_s *)
- qemu_mallocz(sizeof(struct omap_dma_s));
-
- if (model == omap_dma_3_1) {
- num_irqs = 6;
- memsize = 0x800;
- } else {
- num_irqs = 16;
- memsize = 0xc00;
- }
- s->base = base;
- s->model = model;
- s->mpu = mpu;
- s->clk = clk;
- s->lcd_ch.irq = lcd_irq;
- s->lcd_ch.mpu = mpu;
- while (num_irqs --)
- s->ch[num_irqs].irq = irqs[num_irqs];
- for (i = 0; i < 3; i ++) {
- s->ch[i].sibling = &s->ch[i + 6];
- s->ch[i + 6].sibling = &s->ch[i];
- }
- s->tm = qemu_new_timer(vm_clock, (QEMUTimerCB *) omap_dma_channel_run, s);
- omap_clk_adduser(s->clk, qemu_allocate_irqs(omap_dma_clk_update, s, 1)[0]);
- mpu->drq = qemu_allocate_irqs(omap_dma_request, s, 32);
- omap_dma_reset(s);
- omap_dma_clk_update(s, 0, 1);
-
- iomemtype = cpu_register_io_memory(0, omap_dma_readfn,
- omap_dma_writefn, s);
- cpu_register_physical_memory(s->base, memsize, iomemtype);
-
- return s;
-}
-
-/* DMA ports */
-static int omap_validate_emiff_addr(struct omap_mpu_state_s *s,
- target_phys_addr_t addr)
-{
- return addr >= OMAP_EMIFF_BASE && addr < OMAP_EMIFF_BASE + s->sdram_size;
-}
-
-static int omap_validate_emifs_addr(struct omap_mpu_state_s *s,
- target_phys_addr_t addr)
-{
- return addr >= OMAP_EMIFS_BASE && addr < OMAP_EMIFF_BASE;
-}
-
-static int omap_validate_imif_addr(struct omap_mpu_state_s *s,
- target_phys_addr_t addr)
-{
- return addr >= OMAP_IMIF_BASE && addr < OMAP_IMIF_BASE + s->sram_size;
-}
-
-static int omap_validate_tipb_addr(struct omap_mpu_state_s *s,
- target_phys_addr_t addr)
-{
- return addr >= 0xfffb0000 && addr < 0xffff0000;
-}
-
-static int omap_validate_local_addr(struct omap_mpu_state_s *s,
- target_phys_addr_t addr)
-{
- return addr >= OMAP_LOCALBUS_BASE && addr < OMAP_LOCALBUS_BASE + 0x1000000;
-}
-
-static int omap_validate_tipb_mpui_addr(struct omap_mpu_state_s *s,
- target_phys_addr_t addr)
-{
- return addr >= 0xe1010000 && addr < 0xe1020004;
-}
-
-/* MPU OS timers */
-struct omap_mpu_timer_s {
- qemu_irq irq;
- omap_clk clk;
- target_phys_addr_t base;
- uint32_t val;
- int64_t time;
- QEMUTimer *timer;
- int64_t rate;
- int it_ena;
-
- int enable;
- int ptv;
- int ar;
- int st;
- uint32_t reset_val;
-};
-
-static inline uint32_t omap_timer_read(struct omap_mpu_timer_s *timer)
-{
- uint64_t distance = qemu_get_clock(vm_clock) - timer->time;
-
- if (timer->st && timer->enable && timer->rate)
- return timer->val - muldiv64(distance >> (timer->ptv + 1),
- timer->rate, ticks_per_sec);
- else
- return timer->val;
-}
-
-static inline void omap_timer_sync(struct omap_mpu_timer_s *timer)
-{
- timer->val = omap_timer_read(timer);
- timer->time = qemu_get_clock(vm_clock);
-}
-
-static inline void omap_timer_update(struct omap_mpu_timer_s *timer)
-{
- int64_t expires;
-
- if (timer->enable && timer->st && timer->rate) {
- timer->val = timer->reset_val; /* Should skip this on clk enable */
- expires = muldiv64(timer->val << (timer->ptv + 1),
- ticks_per_sec, timer->rate);
-
- /* If timer expiry would be sooner than in about 1 ms and
- * auto-reload isn't set, then fire immediately. This is a hack
- * to make systems like PalmOS run in acceptable time. PalmOS
- * sets the interval to a very low value and polls the status bit
- * in a busy loop when it wants to sleep just a couple of CPU
- * ticks. */
- if (expires > (ticks_per_sec >> 10) || timer->ar)
- qemu_mod_timer(timer->timer, timer->time + expires);
- else {
- timer->val = 0;
- timer->st = 0;
- if (timer->it_ena)
- /* Edge-triggered irq */
- qemu_irq_pulse(timer->irq);
- }
- } else
- qemu_del_timer(timer->timer);
-}
-
-static void omap_timer_tick(void *opaque)
-{
- struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque;
- omap_timer_sync(timer);
-
- if (!timer->ar) {
- timer->val = 0;
- timer->st = 0;
- }
-
- if (timer->it_ena)
- /* Edge-triggered irq */
- qemu_irq_pulse(timer->irq);
- omap_timer_update(timer);
-}
-
-static void omap_timer_clk_update(void *opaque, int line, int on)
-{
- struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque;
-
- omap_timer_sync(timer);
- timer->rate = on ? omap_clk_getrate(timer->clk) : 0;
- omap_timer_update(timer);
-}
-
-static void omap_timer_clk_setup(struct omap_mpu_timer_s *timer)
-{
- omap_clk_adduser(timer->clk,
- qemu_allocate_irqs(omap_timer_clk_update, timer, 1)[0]);
- timer->rate = omap_clk_getrate(timer->clk);
-}
-
-static uint32_t omap_mpu_timer_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque;
- int offset = addr - s->base;
-
- switch (offset) {
- case 0x00: /* CNTL_TIMER */
- return (s->enable << 5) | (s->ptv << 2) | (s->ar << 1) | s->st;
-
- case 0x04: /* LOAD_TIM */
- break;
-
- case 0x08: /* READ_TIM */
- return omap_timer_read(s);
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_mpu_timer_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque;
- int offset = addr - s->base;
-
- switch (offset) {
- case 0x00: /* CNTL_TIMER */
- omap_timer_sync(s);
- s->enable = (value >> 5) & 1;
- s->ptv = (value >> 2) & 7;
- s->ar = (value >> 1) & 1;
- s->st = value & 1;
- omap_timer_update(s);
- return;
-
- case 0x04: /* LOAD_TIM */
- s->reset_val = value;
- return;
-
- case 0x08: /* READ_TIM */
- OMAP_RO_REG(addr);
- break;
-
- default:
- OMAP_BAD_REG(addr);
- }
-}
-
-static CPUReadMemoryFunc *omap_mpu_timer_readfn[] = {
- omap_badwidth_read32,
- omap_badwidth_read32,
- omap_mpu_timer_read,
-};
-
-static CPUWriteMemoryFunc *omap_mpu_timer_writefn[] = {
- omap_badwidth_write32,
- omap_badwidth_write32,
- omap_mpu_timer_write,
-};
-
-static void omap_mpu_timer_reset(struct omap_mpu_timer_s *s)
-{
- qemu_del_timer(s->timer);
- s->enable = 0;
- s->reset_val = 31337;
- s->val = 0;
- s->ptv = 0;
- s->ar = 0;
- s->st = 0;
- s->it_ena = 1;
-}
-
-struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base,
- qemu_irq irq, omap_clk clk)
-{
- int iomemtype;
- struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *)
- qemu_mallocz(sizeof(struct omap_mpu_timer_s));
-
- s->irq = irq;
- s->clk = clk;
- s->base = base;
- s->timer = qemu_new_timer(vm_clock, omap_timer_tick, s);
- omap_mpu_timer_reset(s);
- omap_timer_clk_setup(s);
-
- iomemtype = cpu_register_io_memory(0, omap_mpu_timer_readfn,
- omap_mpu_timer_writefn, s);
- cpu_register_physical_memory(s->base, 0x100, iomemtype);
-
- return s;
-}
-
-/* Watchdog timer */
-struct omap_watchdog_timer_s {
- struct omap_mpu_timer_s timer;
- uint8_t last_wr;
- int mode;
- int free;
- int reset;
-};
-
-static uint32_t omap_wd_timer_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque;
- int offset = addr - s->timer.base;
-
- switch (offset) {
- case 0x00: /* CNTL_TIMER */
- return (s->timer.ptv << 9) | (s->timer.ar << 8) |
- (s->timer.st << 7) | (s->free << 1);
-
- case 0x04: /* READ_TIMER */
- return omap_timer_read(&s->timer);
-
- case 0x08: /* TIMER_MODE */
- return s->mode << 15;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_wd_timer_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque;
- int offset = addr - s->timer.base;
-
- switch (offset) {
- case 0x00: /* CNTL_TIMER */
- omap_timer_sync(&s->timer);
- s->timer.ptv = (value >> 9) & 7;
- s->timer.ar = (value >> 8) & 1;
- s->timer.st = (value >> 7) & 1;
- s->free = (value >> 1) & 1;
- omap_timer_update(&s->timer);
- break;
-
- case 0x04: /* LOAD_TIMER */
- s->timer.reset_val = value & 0xffff;
- break;
-
- case 0x08: /* TIMER_MODE */
- if (!s->mode && ((value >> 15) & 1))
- omap_clk_get(s->timer.clk);
- s->mode |= (value >> 15) & 1;
- if (s->last_wr == 0xf5) {
- if ((value & 0xff) == 0xa0) {
- if (s->mode) {
- s->mode = 0;
- omap_clk_put(s->timer.clk);
- }
- } else {
- /* XXX: on T|E hardware somehow this has no effect,
- * on Zire 71 it works as specified. */
- s->reset = 1;
- qemu_system_reset_request();
- }
- }
- s->last_wr = value & 0xff;
- break;
-
- default:
- OMAP_BAD_REG(addr);
- }
-}
-
-static CPUReadMemoryFunc *omap_wd_timer_readfn[] = {
- omap_badwidth_read16,
- omap_wd_timer_read,
- omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc *omap_wd_timer_writefn[] = {
- omap_badwidth_write16,
- omap_wd_timer_write,
- omap_badwidth_write16,
-};
-
-static void omap_wd_timer_reset(struct omap_watchdog_timer_s *s)
-{
- qemu_del_timer(s->timer.timer);
- if (!s->mode)
- omap_clk_get(s->timer.clk);
- s->mode = 1;
- s->free = 1;
- s->reset = 0;
- s->timer.enable = 1;
- s->timer.it_ena = 1;
- s->timer.reset_val = 0xffff;
- s->timer.val = 0;
- s->timer.st = 0;
- s->timer.ptv = 0;
- s->timer.ar = 0;
- omap_timer_update(&s->timer);
-}
-
-struct omap_watchdog_timer_s *omap_wd_timer_init(target_phys_addr_t base,
- qemu_irq irq, omap_clk clk)
-{
- int iomemtype;
- struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *)
- qemu_mallocz(sizeof(struct omap_watchdog_timer_s));
-
- s->timer.irq = irq;
- s->timer.clk = clk;
- s->timer.base = base;
- s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer);
- omap_wd_timer_reset(s);
- omap_timer_clk_setup(&s->timer);
-
- iomemtype = cpu_register_io_memory(0, omap_wd_timer_readfn,
- omap_wd_timer_writefn, s);
- cpu_register_physical_memory(s->timer.base, 0x100, iomemtype);
-
- return s;
-}
-
-/* 32-kHz timer */
-struct omap_32khz_timer_s {
- struct omap_mpu_timer_s timer;
-};
-
-static uint32_t omap_os_timer_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
-
- switch (offset) {
- case 0x00: /* TVR */
- return s->timer.reset_val;
-
- case 0x04: /* TCR */
- return omap_timer_read(&s->timer);
-
- case 0x08: /* CR */
- return (s->timer.ar << 3) | (s->timer.it_ena << 2) | s->timer.st;
-
- default:
- break;
- }
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_os_timer_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
-
- switch (offset) {
- case 0x00: /* TVR */
- s->timer.reset_val = value & 0x00ffffff;
- break;
-
- case 0x04: /* TCR */
- OMAP_RO_REG(addr);
- break;
-
- case 0x08: /* CR */
- s->timer.ar = (value >> 3) & 1;
- s->timer.it_ena = (value >> 2) & 1;
- if (s->timer.st != (value & 1) || (value & 2)) {
- omap_timer_sync(&s->timer);
- s->timer.enable = value & 1;
- s->timer.st = value & 1;
- omap_timer_update(&s->timer);
- }
- break;
-
- default:
- OMAP_BAD_REG(addr);
- }
-}
-
-static CPUReadMemoryFunc *omap_os_timer_readfn[] = {
- omap_badwidth_read32,
- omap_badwidth_read32,
- omap_os_timer_read,
-};
-
-static CPUWriteMemoryFunc *omap_os_timer_writefn[] = {
- omap_badwidth_write32,
- omap_badwidth_write32,
- omap_os_timer_write,
-};
-
-static void omap_os_timer_reset(struct omap_32khz_timer_s *s)
-{
- qemu_del_timer(s->timer.timer);
- s->timer.enable = 0;
- s->timer.it_ena = 0;
- s->timer.reset_val = 0x00ffffff;
- s->timer.val = 0;
- s->timer.st = 0;
- s->timer.ptv = 0;
- s->timer.ar = 1;
-}
-
-struct omap_32khz_timer_s *omap_os_timer_init(target_phys_addr_t base,
- qemu_irq irq, omap_clk clk)
-{
- int iomemtype;
- struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *)
- qemu_mallocz(sizeof(struct omap_32khz_timer_s));
-
- s->timer.irq = irq;
- s->timer.clk = clk;
- s->timer.base = base;
- s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer);
- omap_os_timer_reset(s);
- omap_timer_clk_setup(&s->timer);
-
- iomemtype = cpu_register_io_memory(0, omap_os_timer_readfn,
- omap_os_timer_writefn, s);
- cpu_register_physical_memory(s->timer.base, 0x800, iomemtype);
-
- return s;
-}
-
-/* Ultra Low-Power Device Module */
-static uint32_t omap_ulpd_pm_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr - s->ulpd_pm_base;
- uint16_t ret;
-
- switch (offset) {
- case 0x14: /* IT_STATUS */
- ret = s->ulpd_pm_regs[offset >> 2];
- s->ulpd_pm_regs[offset >> 2] = 0;
- qemu_irq_lower(s->irq[1][OMAP_INT_GAUGE_32K]);
- return ret;
-
- case 0x18: /* Reserved */
- case 0x1c: /* Reserved */
- case 0x20: /* Reserved */
- case 0x28: /* Reserved */
- case 0x2c: /* Reserved */
- OMAP_BAD_REG(addr);
- case 0x00: /* COUNTER_32_LSB */
- case 0x04: /* COUNTER_32_MSB */
- case 0x08: /* COUNTER_HIGH_FREQ_LSB */
- case 0x0c: /* COUNTER_HIGH_FREQ_MSB */
- case 0x10: /* GAUGING_CTRL */
- case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */
- case 0x30: /* CLOCK_CTRL */
- case 0x34: /* SOFT_REQ */
- case 0x38: /* COUNTER_32_FIQ */
- case 0x3c: /* DPLL_CTRL */
- case 0x40: /* STATUS_REQ */
- /* XXX: check clk::usecount state for every clock */
- case 0x48: /* LOCL_TIME */
- case 0x4c: /* APLL_CTRL */
- case 0x50: /* POWER_CTRL */
- return s->ulpd_pm_regs[offset >> 2];
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static inline void omap_ulpd_clk_update(struct omap_mpu_state_s *s,
- uint16_t diff, uint16_t value)
-{
- if (diff & (1 << 4)) /* USB_MCLK_EN */
- omap_clk_onoff(omap_findclk(s, "usb_clk0"), (value >> 4) & 1);
- if (diff & (1 << 5)) /* DIS_USB_PVCI_CLK */
- omap_clk_onoff(omap_findclk(s, "usb_w2fc_ck"), (~value >> 5) & 1);
-}
-
-static inline void omap_ulpd_req_update(struct omap_mpu_state_s *s,
- uint16_t diff, uint16_t value)
-{
- if (diff & (1 << 0)) /* SOFT_DPLL_REQ */
- omap_clk_canidle(omap_findclk(s, "dpll4"), (~value >> 0) & 1);
- if (diff & (1 << 1)) /* SOFT_COM_REQ */
- omap_clk_canidle(omap_findclk(s, "com_mclk_out"), (~value >> 1) & 1);
- if (diff & (1 << 2)) /* SOFT_SDW_REQ */
- omap_clk_canidle(omap_findclk(s, "bt_mclk_out"), (~value >> 2) & 1);
- if (diff & (1 << 3)) /* SOFT_USB_REQ */
- omap_clk_canidle(omap_findclk(s, "usb_clk0"), (~value >> 3) & 1);
-}
-
-static void omap_ulpd_pm_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr - s->ulpd_pm_base;
- int64_t now, ticks;
- int div, mult;
- static const int bypass_div[4] = { 1, 2, 4, 4 };
- uint16_t diff;
-
- switch (offset) {
- case 0x00: /* COUNTER_32_LSB */
- case 0x04: /* COUNTER_32_MSB */
- case 0x08: /* COUNTER_HIGH_FREQ_LSB */
- case 0x0c: /* COUNTER_HIGH_FREQ_MSB */
- case 0x14: /* IT_STATUS */
- case 0x40: /* STATUS_REQ */
- OMAP_RO_REG(addr);
- break;
-
- case 0x10: /* GAUGING_CTRL */
- /* Bits 0 and 1 seem to be confused in the OMAP 310 TRM */
- if ((s->ulpd_pm_regs[offset >> 2] ^ value) & 1) {
- now = qemu_get_clock(vm_clock);
-
- if (value & 1)
- s->ulpd_gauge_start = now;
- else {
- now -= s->ulpd_gauge_start;
-
- /* 32-kHz ticks */
- ticks = muldiv64(now, 32768, ticks_per_sec);
- s->ulpd_pm_regs[0x00 >> 2] = (ticks >> 0) & 0xffff;
- s->ulpd_pm_regs[0x04 >> 2] = (ticks >> 16) & 0xffff;
- if (ticks >> 32) /* OVERFLOW_32K */
- s->ulpd_pm_regs[0x14 >> 2] |= 1 << 2;
-
- /* High frequency ticks */
- ticks = muldiv64(now, 12000000, ticks_per_sec);
- s->ulpd_pm_regs[0x08 >> 2] = (ticks >> 0) & 0xffff;
- s->ulpd_pm_regs[0x0c >> 2] = (ticks >> 16) & 0xffff;
- if (ticks >> 32) /* OVERFLOW_HI_FREQ */
- s->ulpd_pm_regs[0x14 >> 2] |= 1 << 1;
-
- s->ulpd_pm_regs[0x14 >> 2] |= 1 << 0; /* IT_GAUGING */
- qemu_irq_raise(s->irq[1][OMAP_INT_GAUGE_32K]);
- }
- }
- s->ulpd_pm_regs[offset >> 2] = value;
- break;
-
- case 0x18: /* Reserved */
- case 0x1c: /* Reserved */
- case 0x20: /* Reserved */
- case 0x28: /* Reserved */
- case 0x2c: /* Reserved */
- OMAP_BAD_REG(addr);
- case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */
- case 0x38: /* COUNTER_32_FIQ */
- case 0x48: /* LOCL_TIME */
- case 0x50: /* POWER_CTRL */
- s->ulpd_pm_regs[offset >> 2] = value;
- break;
-
- case 0x30: /* CLOCK_CTRL */
- diff = s->ulpd_pm_regs[offset >> 2] ^ value;
- s->ulpd_pm_regs[offset >> 2] = value & 0x3f;
- omap_ulpd_clk_update(s, diff, value);
- break;
-
- case 0x34: /* SOFT_REQ */
- diff = s->ulpd_pm_regs[offset >> 2] ^ value;
- s->ulpd_pm_regs[offset >> 2] = value & 0x1f;
- omap_ulpd_req_update(s, diff, value);
- break;
-
- case 0x3c: /* DPLL_CTRL */
- /* XXX: OMAP310 TRM claims bit 3 is PLL_ENABLE, and bit 4 is
- * omitted altogether, probably a typo. */
- /* This register has identical semantics with DPLL(1:3) control
- * registers, see omap_dpll_write() */
- diff = s->ulpd_pm_regs[offset >> 2] & value;
- s->ulpd_pm_regs[offset >> 2] = value & 0x2fff;
- if (diff & (0x3ff << 2)) {
- if (value & (1 << 4)) { /* PLL_ENABLE */
- div = ((value >> 5) & 3) + 1; /* PLL_DIV */
- mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */
- } else {
- div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */
- mult = 1;
- }
- omap_clk_setrate(omap_findclk(s, "dpll4"), div, mult);
- }
-
- /* Enter the desired mode. */
- s->ulpd_pm_regs[offset >> 2] =
- (s->ulpd_pm_regs[offset >> 2] & 0xfffe) |
- ((s->ulpd_pm_regs[offset >> 2] >> 4) & 1);
-
- /* Act as if the lock is restored. */
- s->ulpd_pm_regs[offset >> 2] |= 2;
- break;
-
- case 0x4c: /* APLL_CTRL */
- diff = s->ulpd_pm_regs[offset >> 2] & value;
- s->ulpd_pm_regs[offset >> 2] = value & 0xf;
- if (diff & (1 << 0)) /* APLL_NDPLL_SWITCH */
- omap_clk_reparent(omap_findclk(s, "ck_48m"), omap_findclk(s,
- (value & (1 << 0)) ? "apll" : "dpll4"));
- break;
-
- default:
- OMAP_BAD_REG(addr);
- }
-}
-
-static CPUReadMemoryFunc *omap_ulpd_pm_readfn[] = {
- omap_badwidth_read16,
- omap_ulpd_pm_read,
- omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc *omap_ulpd_pm_writefn[] = {
- omap_badwidth_write16,
- omap_ulpd_pm_write,
- omap_badwidth_write16,
-};
-
-static void omap_ulpd_pm_reset(struct omap_mpu_state_s *mpu)
-{
- mpu->ulpd_pm_regs[0x00 >> 2] = 0x0001;
- mpu->ulpd_pm_regs[0x04 >> 2] = 0x0000;
- mpu->ulpd_pm_regs[0x08 >> 2] = 0x0001;
- mpu->ulpd_pm_regs[0x0c >> 2] = 0x0000;
- mpu->ulpd_pm_regs[0x10 >> 2] = 0x0000;
- mpu->ulpd_pm_regs[0x18 >> 2] = 0x01;
- mpu->ulpd_pm_regs[0x1c >> 2] = 0x01;
- mpu->ulpd_pm_regs[0x20 >> 2] = 0x01;
- mpu->ulpd_pm_regs[0x24 >> 2] = 0x03ff;
- mpu->ulpd_pm_regs[0x28 >> 2] = 0x01;
- mpu->ulpd_pm_regs[0x2c >> 2] = 0x01;
- omap_ulpd_clk_update(mpu, mpu->ulpd_pm_regs[0x30 >> 2], 0x0000);
- mpu->ulpd_pm_regs[0x30 >> 2] = 0x0000;
- omap_ulpd_req_update(mpu, mpu->ulpd_pm_regs[0x34 >> 2], 0x0000);
- mpu->ulpd_pm_regs[0x34 >> 2] = 0x0000;
- mpu->ulpd_pm_regs[0x38 >> 2] = 0x0001;
- mpu->ulpd_pm_regs[0x3c >> 2] = 0x2211;
- mpu->ulpd_pm_regs[0x40 >> 2] = 0x0000; /* FIXME: dump a real STATUS_REQ */
- mpu->ulpd_pm_regs[0x48 >> 2] = 0x960;
- mpu->ulpd_pm_regs[0x4c >> 2] = 0x08;
- mpu->ulpd_pm_regs[0x50 >> 2] = 0x08;
- omap_clk_setrate(omap_findclk(mpu, "dpll4"), 1, 4);
- omap_clk_reparent(omap_findclk(mpu, "ck_48m"), omap_findclk(mpu, "dpll4"));
-}
-
-static void omap_ulpd_pm_init(target_phys_addr_t base,
- struct omap_mpu_state_s *mpu)
-{
- int iomemtype = cpu_register_io_memory(0, omap_ulpd_pm_readfn,
- omap_ulpd_pm_writefn, mpu);
-
- mpu->ulpd_pm_base = base;
- cpu_register_physical_memory(mpu->ulpd_pm_base, 0x800, iomemtype);
- omap_ulpd_pm_reset(mpu);
-}
-
-/* OMAP Pin Configuration */
-static uint32_t omap_pin_cfg_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr - s->pin_cfg_base;
-
- switch (offset) {
- case 0x00: /* FUNC_MUX_CTRL_0 */
- case 0x04: /* FUNC_MUX_CTRL_1 */
- case 0x08: /* FUNC_MUX_CTRL_2 */
- return s->func_mux_ctrl[offset >> 2];
-
- case 0x0c: /* COMP_MODE_CTRL_0 */
- return s->comp_mode_ctrl[0];
-
- case 0x10: /* FUNC_MUX_CTRL_3 */
- case 0x14: /* FUNC_MUX_CTRL_4 */
- case 0x18: /* FUNC_MUX_CTRL_5 */
- case 0x1c: /* FUNC_MUX_CTRL_6 */
- case 0x20: /* FUNC_MUX_CTRL_7 */
- case 0x24: /* FUNC_MUX_CTRL_8 */
- case 0x28: /* FUNC_MUX_CTRL_9 */
- case 0x2c: /* FUNC_MUX_CTRL_A */
- case 0x30: /* FUNC_MUX_CTRL_B */
- case 0x34: /* FUNC_MUX_CTRL_C */
- case 0x38: /* FUNC_MUX_CTRL_D */
- return s->func_mux_ctrl[(offset >> 2) - 1];
-
- case 0x40: /* PULL_DWN_CTRL_0 */
- case 0x44: /* PULL_DWN_CTRL_1 */
- case 0x48: /* PULL_DWN_CTRL_2 */
- case 0x4c: /* PULL_DWN_CTRL_3 */
- return s->pull_dwn_ctrl[(offset & 0xf) >> 2];
-
- case 0x50: /* GATE_INH_CTRL_0 */
- return s->gate_inh_ctrl[0];
-
- case 0x60: /* VOLTAGE_CTRL_0 */
- return s->voltage_ctrl[0];
-
- case 0x70: /* TEST_DBG_CTRL_0 */
- return s->test_dbg_ctrl[0];
-
- case 0x80: /* MOD_CONF_CTRL_0 */
- return s->mod_conf_ctrl[0];
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static inline void omap_pin_funcmux0_update(struct omap_mpu_state_s *s,
- uint32_t diff, uint32_t value)
-{
- if (s->compat1509) {
- if (diff & (1 << 9)) /* BLUETOOTH */
- omap_clk_onoff(omap_findclk(s, "bt_mclk_out"),
- (~value >> 9) & 1);
- if (diff & (1 << 7)) /* USB.CLKO */
- omap_clk_onoff(omap_findclk(s, "usb.clko"),
- (value >> 7) & 1);
- }
-}
-
-static inline void omap_pin_funcmux1_update(struct omap_mpu_state_s *s,
- uint32_t diff, uint32_t value)
-{
- if (s->compat1509) {
- if (diff & (1 << 31)) /* MCBSP3_CLK_HIZ_DI */
- omap_clk_onoff(omap_findclk(s, "mcbsp3.clkx"),
- (value >> 31) & 1);
- if (diff & (1 << 1)) /* CLK32K */
- omap_clk_onoff(omap_findclk(s, "clk32k_out"),
- (~value >> 1) & 1);
- }
-}
-
-static inline void omap_pin_modconf1_update(struct omap_mpu_state_s *s,
- uint32_t diff, uint32_t value)
-{
- if (diff & (1 << 31)) /* CONF_MOD_UART3_CLK_MODE_R */
- omap_clk_reparent(omap_findclk(s, "uart3_ck"),
- omap_findclk(s, ((value >> 31) & 1) ?
- "ck_48m" : "armper_ck"));
- if (diff & (1 << 30)) /* CONF_MOD_UART2_CLK_MODE_R */
- omap_clk_reparent(omap_findclk(s, "uart2_ck"),
- omap_findclk(s, ((value >> 30) & 1) ?
- "ck_48m" : "armper_ck"));
- if (diff & (1 << 29)) /* CONF_MOD_UART1_CLK_MODE_R */
- omap_clk_reparent(omap_findclk(s, "uart1_ck"),
- omap_findclk(s, ((value >> 29) & 1) ?
- "ck_48m" : "armper_ck"));
- if (diff & (1 << 23)) /* CONF_MOD_MMC_SD_CLK_REQ_R */
- omap_clk_reparent(omap_findclk(s, "mmc_ck"),
- omap_findclk(s, ((value >> 23) & 1) ?
- "ck_48m" : "armper_ck"));
- if (diff & (1 << 12)) /* CONF_MOD_COM_MCLK_12_48_S */
- omap_clk_reparent(omap_findclk(s, "com_mclk_out"),
- omap_findclk(s, ((value >> 12) & 1) ?
- "ck_48m" : "armper_ck"));
- if (diff & (1 << 9)) /* CONF_MOD_USB_HOST_HHC_UHO */
- omap_clk_onoff(omap_findclk(s, "usb_hhc_ck"), (value >> 9) & 1);
-}
-
-static void omap_pin_cfg_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr - s->pin_cfg_base;
- uint32_t diff;
-
- switch (offset) {
- case 0x00: /* FUNC_MUX_CTRL_0 */
- diff = s->func_mux_ctrl[offset >> 2] ^ value;
- s->func_mux_ctrl[offset >> 2] = value;
- omap_pin_funcmux0_update(s, diff, value);
- return;
-
- case 0x04: /* FUNC_MUX_CTRL_1 */
- diff = s->func_mux_ctrl[offset >> 2] ^ value;
- s->func_mux_ctrl[offset >> 2] = value;
- omap_pin_funcmux1_update(s, diff, value);
- return;
-
- case 0x08: /* FUNC_MUX_CTRL_2 */
- s->func_mux_ctrl[offset >> 2] = value;
- return;
-
- case 0x0c: /* COMP_MODE_CTRL_0 */
- s->comp_mode_ctrl[0] = value;
- s->compat1509 = (value != 0x0000eaef);
- omap_pin_funcmux0_update(s, ~0, s->func_mux_ctrl[0]);
- omap_pin_funcmux1_update(s, ~0, s->func_mux_ctrl[1]);
- return;
-
- case 0x10: /* FUNC_MUX_CTRL_3 */
- case 0x14: /* FUNC_MUX_CTRL_4 */
- case 0x18: /* FUNC_MUX_CTRL_5 */
- case 0x1c: /* FUNC_MUX_CTRL_6 */
- case 0x20: /* FUNC_MUX_CTRL_7 */
- case 0x24: /* FUNC_MUX_CTRL_8 */
- case 0x28: /* FUNC_MUX_CTRL_9 */
- case 0x2c: /* FUNC_MUX_CTRL_A */
- case 0x30: /* FUNC_MUX_CTRL_B */
- case 0x34: /* FUNC_MUX_CTRL_C */
- case 0x38: /* FUNC_MUX_CTRL_D */
- s->func_mux_ctrl[(offset >> 2) - 1] = value;
- return;
-
- case 0x40: /* PULL_DWN_CTRL_0 */
- case 0x44: /* PULL_DWN_CTRL_1 */
- case 0x48: /* PULL_DWN_CTRL_2 */
- case 0x4c: /* PULL_DWN_CTRL_3 */
- s->pull_dwn_ctrl[(offset & 0xf) >> 2] = value;
- return;
-
- case 0x50: /* GATE_INH_CTRL_0 */
- s->gate_inh_ctrl[0] = value;
- return;
-
- case 0x60: /* VOLTAGE_CTRL_0 */
- s->voltage_ctrl[0] = value;
- return;
-
- case 0x70: /* TEST_DBG_CTRL_0 */
- s->test_dbg_ctrl[0] = value;
- return;
-
- case 0x80: /* MOD_CONF_CTRL_0 */
- diff = s->mod_conf_ctrl[0] ^ value;
- s->mod_conf_ctrl[0] = value;
- omap_pin_modconf1_update(s, diff, value);
- return;
-
- default:
- OMAP_BAD_REG(addr);
- }
-}
-
-static CPUReadMemoryFunc *omap_pin_cfg_readfn[] = {
- omap_badwidth_read32,
- omap_badwidth_read32,
- omap_pin_cfg_read,
-};
-
-static CPUWriteMemoryFunc *omap_pin_cfg_writefn[] = {
- omap_badwidth_write32,
- omap_badwidth_write32,
- omap_pin_cfg_write,
-};
-
-static void omap_pin_cfg_reset(struct omap_mpu_state_s *mpu)
-{
- /* Start in Compatibility Mode. */
- mpu->compat1509 = 1;
- omap_pin_funcmux0_update(mpu, mpu->func_mux_ctrl[0], 0);
- omap_pin_funcmux1_update(mpu, mpu->func_mux_ctrl[1], 0);
- omap_pin_modconf1_update(mpu, mpu->mod_conf_ctrl[0], 0);
- memset(mpu->func_mux_ctrl, 0, sizeof(mpu->func_mux_ctrl));
- memset(mpu->comp_mode_ctrl, 0, sizeof(mpu->comp_mode_ctrl));
- memset(mpu->pull_dwn_ctrl, 0, sizeof(mpu->pull_dwn_ctrl));
- memset(mpu->gate_inh_ctrl, 0, sizeof(mpu->gate_inh_ctrl));
- memset(mpu->voltage_ctrl, 0, sizeof(mpu->voltage_ctrl));
- memset(mpu->test_dbg_ctrl, 0, sizeof(mpu->test_dbg_ctrl));
- memset(mpu->mod_conf_ctrl, 0, sizeof(mpu->mod_conf_ctrl));
-}
-
-static void omap_pin_cfg_init(target_phys_addr_t base,
- struct omap_mpu_state_s *mpu)
-{
- int iomemtype = cpu_register_io_memory(0, omap_pin_cfg_readfn,
- omap_pin_cfg_writefn, mpu);
-
- mpu->pin_cfg_base = base;
- cpu_register_physical_memory(mpu->pin_cfg_base, 0x800, iomemtype);
- omap_pin_cfg_reset(mpu);
-}
-
-/* Device Identification, Die Identification */
-static uint32_t omap_id_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
-
- switch (addr) {
- case 0xfffe1800: /* DIE_ID_LSB */
- return 0xc9581f0e;
- case 0xfffe1804: /* DIE_ID_MSB */
- return 0xa8858bfa;
-
- case 0xfffe2000: /* PRODUCT_ID_LSB */
- return 0x00aaaafc;
- case 0xfffe2004: /* PRODUCT_ID_MSB */
- return 0xcafeb574;
-
- case 0xfffed400: /* JTAG_ID_LSB */
- switch (s->mpu_model) {
- case omap310:
- return 0x03310315;
- case omap1510:
- return 0x03310115;
- }
- break;
-
- case 0xfffed404: /* JTAG_ID_MSB */
- switch (s->mpu_model) {
- case omap310:
- return 0xfb57402f;
- case omap1510:
- return 0xfb47002f;
- }
- break;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_id_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- OMAP_BAD_REG(addr);
-}
-
-static CPUReadMemoryFunc *omap_id_readfn[] = {
- omap_badwidth_read32,
- omap_badwidth_read32,
- omap_id_read,
-};
-
-static CPUWriteMemoryFunc *omap_id_writefn[] = {
- omap_badwidth_write32,
- omap_badwidth_write32,
- omap_id_write,
-};
-
-static void omap_id_init(struct omap_mpu_state_s *mpu)
-{
- int iomemtype = cpu_register_io_memory(0, omap_id_readfn,
- omap_id_writefn, mpu);
- cpu_register_physical_memory(0xfffe1800, 0x800, iomemtype);
- cpu_register_physical_memory(0xfffed400, 0x100, iomemtype);
- if (!cpu_is_omap15xx(mpu))
- cpu_register_physical_memory(0xfffe2000, 0x800, iomemtype);
-}
-
-/* MPUI Control (Dummy) */
-static uint32_t omap_mpui_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr - s->mpui_base;
-
- switch (offset) {
- case 0x00: /* CTRL */
- return s->mpui_ctrl;
- case 0x04: /* DEBUG_ADDR */
- return 0x01ffffff;
- case 0x08: /* DEBUG_DATA */
- return 0xffffffff;
- case 0x0c: /* DEBUG_FLAG */
- return 0x00000800;
- case 0x10: /* STATUS */
- return 0x00000000;
-
- /* Not in OMAP310 */
- case 0x14: /* DSP_STATUS */
- case 0x18: /* DSP_BOOT_CONFIG */
- return 0x00000000;
- case 0x1c: /* DSP_MPUI_CONFIG */
- return 0x0000ffff;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_mpui_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr - s->mpui_base;
-
- switch (offset) {
- case 0x00: /* CTRL */
- s->mpui_ctrl = value & 0x007fffff;
- break;
-
- case 0x04: /* DEBUG_ADDR */
- case 0x08: /* DEBUG_DATA */
- case 0x0c: /* DEBUG_FLAG */
- case 0x10: /* STATUS */
- /* Not in OMAP310 */
- case 0x14: /* DSP_STATUS */
- OMAP_RO_REG(addr);
- case 0x18: /* DSP_BOOT_CONFIG */
- case 0x1c: /* DSP_MPUI_CONFIG */
- break;
-
- default:
- OMAP_BAD_REG(addr);
- }
-}
-
-static CPUReadMemoryFunc *omap_mpui_readfn[] = {
- omap_badwidth_read32,
- omap_badwidth_read32,
- omap_mpui_read,
-};
-
-static CPUWriteMemoryFunc *omap_mpui_writefn[] = {
- omap_badwidth_write32,
- omap_badwidth_write32,
- omap_mpui_write,
-};
-
-static void omap_mpui_reset(struct omap_mpu_state_s *s)
-{
- s->mpui_ctrl = 0x0003ff1b;
-}
-
-static void omap_mpui_init(target_phys_addr_t base,
- struct omap_mpu_state_s *mpu)
-{
- int iomemtype = cpu_register_io_memory(0, omap_mpui_readfn,
- omap_mpui_writefn, mpu);
-
- mpu->mpui_base = base;
- cpu_register_physical_memory(mpu->mpui_base, 0x100, iomemtype);
-
- omap_mpui_reset(mpu);
-}
-
-/* TIPB Bridges */
-struct omap_tipb_bridge_s {
- target_phys_addr_t base;
- qemu_irq abort;
-
- int width_intr;
- uint16_t control;
- uint16_t alloc;
- uint16_t buffer;
- uint16_t enh_control;
-};
-
-static uint32_t omap_tipb_bridge_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque;
- int offset = addr - s->base;
-
- switch (offset) {
- case 0x00: /* TIPB_CNTL */
- return s->control;
- case 0x04: /* TIPB_BUS_ALLOC */
- return s->alloc;
- case 0x08: /* MPU_TIPB_CNTL */
- return s->buffer;
- case 0x0c: /* ENHANCED_TIPB_CNTL */
- return s->enh_control;
- case 0x10: /* ADDRESS_DBG */
- case 0x14: /* DATA_DEBUG_LOW */
- case 0x18: /* DATA_DEBUG_HIGH */
- return 0xffff;
- case 0x1c: /* DEBUG_CNTR_SIG */
- return 0x00f8;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_tipb_bridge_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque;
- int offset = addr - s->base;
-
- switch (offset) {
- case 0x00: /* TIPB_CNTL */
- s->control = value & 0xffff;
- break;
-
- case 0x04: /* TIPB_BUS_ALLOC */
- s->alloc = value & 0x003f;
- break;
-
- case 0x08: /* MPU_TIPB_CNTL */
- s->buffer = value & 0x0003;
- break;
-
- case 0x0c: /* ENHANCED_TIPB_CNTL */
- s->width_intr = !(value & 2);
- s->enh_control = value & 0x000f;
- break;
-
- case 0x10: /* ADDRESS_DBG */
- case 0x14: /* DATA_DEBUG_LOW */
- case 0x18: /* DATA_DEBUG_HIGH */
- case 0x1c: /* DEBUG_CNTR_SIG */
- OMAP_RO_REG(addr);
- break;
-
- default:
- OMAP_BAD_REG(addr);
- }
-}
-
-static CPUReadMemoryFunc *omap_tipb_bridge_readfn[] = {
- omap_badwidth_read16,
- omap_tipb_bridge_read,
- omap_tipb_bridge_read,
-};
-
-static CPUWriteMemoryFunc *omap_tipb_bridge_writefn[] = {
- omap_badwidth_write16,
- omap_tipb_bridge_write,
- omap_tipb_bridge_write,
-};
-
-static void omap_tipb_bridge_reset(struct omap_tipb_bridge_s *s)
-{
- s->control = 0xffff;
- s->alloc = 0x0009;
- s->buffer = 0x0000;
- s->enh_control = 0x000f;
-}
-
-struct omap_tipb_bridge_s *omap_tipb_bridge_init(target_phys_addr_t base,
- qemu_irq abort_irq, omap_clk clk)
-{
- int iomemtype;
- struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *)
- qemu_mallocz(sizeof(struct omap_tipb_bridge_s));
-
- s->abort = abort_irq;
- s->base = base;
- omap_tipb_bridge_reset(s);
-
- iomemtype = cpu_register_io_memory(0, omap_tipb_bridge_readfn,
- omap_tipb_bridge_writefn, s);
- cpu_register_physical_memory(s->base, 0x100, iomemtype);
-
- return s;
-}
-
-/* Dummy Traffic Controller's Memory Interface */
-static uint32_t omap_tcmi_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr - s->tcmi_base;
- uint32_t ret;
-
- switch (offset) {
- case 0x00: /* IMIF_PRIO */
- case 0x04: /* EMIFS_PRIO */
- case 0x08: /* EMIFF_PRIO */
- case 0x0c: /* EMIFS_CONFIG */
- case 0x10: /* EMIFS_CS0_CONFIG */
- case 0x14: /* EMIFS_CS1_CONFIG */
- case 0x18: /* EMIFS_CS2_CONFIG */
- case 0x1c: /* EMIFS_CS3_CONFIG */
- case 0x24: /* EMIFF_MRS */
- case 0x28: /* TIMEOUT1 */
- case 0x2c: /* TIMEOUT2 */
- case 0x30: /* TIMEOUT3 */
- case 0x3c: /* EMIFF_SDRAM_CONFIG_2 */
- case 0x40: /* EMIFS_CFG_DYN_WAIT */
- return s->tcmi_regs[offset >> 2];
-
- case 0x20: /* EMIFF_SDRAM_CONFIG */
- ret = s->tcmi_regs[offset >> 2];
- s->tcmi_regs[offset >> 2] &= ~1; /* XXX: Clear SLRF on SDRAM access */
- /* XXX: We can try using the VGA_DIRTY flag for this */
- return ret;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_tcmi_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr - s->tcmi_base;
-
- switch (offset) {
- case 0x00: /* IMIF_PRIO */
- case 0x04: /* EMIFS_PRIO */
- case 0x08: /* EMIFF_PRIO */
- case 0x10: /* EMIFS_CS0_CONFIG */
- case 0x14: /* EMIFS_CS1_CONFIG */
- case 0x18: /* EMIFS_CS2_CONFIG */
- case 0x1c: /* EMIFS_CS3_CONFIG */
- case 0x20: /* EMIFF_SDRAM_CONFIG */
- case 0x24: /* EMIFF_MRS */
- case 0x28: /* TIMEOUT1 */
- case 0x2c: /* TIMEOUT2 */
- case 0x30: /* TIMEOUT3 */
- case 0x3c: /* EMIFF_SDRAM_CONFIG_2 */
- case 0x40: /* EMIFS_CFG_DYN_WAIT */
- s->tcmi_regs[offset >> 2] = value;
- break;
- case 0x0c: /* EMIFS_CONFIG */
- s->tcmi_regs[offset >> 2] = (value & 0xf) | (1 << 4);
- break;
-
- default:
- OMAP_BAD_REG(addr);
- }
-}
-
-static CPUReadMemoryFunc *omap_tcmi_readfn[] = {
- omap_badwidth_read32,
- omap_badwidth_read32,
- omap_tcmi_read,
-};
-
-static CPUWriteMemoryFunc *omap_tcmi_writefn[] = {
- omap_badwidth_write32,
- omap_badwidth_write32,
- omap_tcmi_write,
-};
-
-static void omap_tcmi_reset(struct omap_mpu_state_s *mpu)
-{
- mpu->tcmi_regs[0x00 >> 2] = 0x00000000;
- mpu->tcmi_regs[0x04 >> 2] = 0x00000000;
- mpu->tcmi_regs[0x08 >> 2] = 0x00000000;
- mpu->tcmi_regs[0x0c >> 2] = 0x00000010;
- mpu->tcmi_regs[0x10 >> 2] = 0x0010fffb;
- mpu->tcmi_regs[0x14 >> 2] = 0x0010fffb;
- mpu->tcmi_regs[0x18 >> 2] = 0x0010fffb;
- mpu->tcmi_regs[0x1c >> 2] = 0x0010fffb;
- mpu->tcmi_regs[0x20 >> 2] = 0x00618800;
- mpu->tcmi_regs[0x24 >> 2] = 0x00000037;
- mpu->tcmi_regs[0x28 >> 2] = 0x00000000;
- mpu->tcmi_regs[0x2c >> 2] = 0x00000000;
- mpu->tcmi_regs[0x30 >> 2] = 0x00000000;
- mpu->tcmi_regs[0x3c >> 2] = 0x00000003;
- mpu->tcmi_regs[0x40 >> 2] = 0x00000000;
-}
-
-static void omap_tcmi_init(target_phys_addr_t base,
- struct omap_mpu_state_s *mpu)
-{
- int iomemtype = cpu_register_io_memory(0, omap_tcmi_readfn,
- omap_tcmi_writefn, mpu);
-
- mpu->tcmi_base = base;
- cpu_register_physical_memory(mpu->tcmi_base, 0x100, iomemtype);
- omap_tcmi_reset(mpu);
-}
-
-/* Digital phase-locked loops control */
-static uint32_t omap_dpll_read(void *opaque, target_phys_addr_t addr)
-{
- struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque;
- int offset = addr - s->base;
-
- if (offset == 0x00) /* CTL_REG */
- return s->mode;
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_dpll_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque;
- uint16_t diff;
- int offset = addr - s->base;
- static const int bypass_div[4] = { 1, 2, 4, 4 };
- int div, mult;
-
- if (offset == 0x00) { /* CTL_REG */
- /* See omap_ulpd_pm_write() too */
- diff = s->mode & value;
- s->mode = value & 0x2fff;
- if (diff & (0x3ff << 2)) {
- if (value & (1 << 4)) { /* PLL_ENABLE */
- div = ((value >> 5) & 3) + 1; /* PLL_DIV */
- mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */
- } else {
- div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */
- mult = 1;
- }
- omap_clk_setrate(s->dpll, div, mult);
- }
-
- /* Enter the desired mode. */
- s->mode = (s->mode & 0xfffe) | ((s->mode >> 4) & 1);
-
- /* Act as if the lock is restored. */
- s->mode |= 2;
- } else {
- OMAP_BAD_REG(addr);
- }
-}
-
-static CPUReadMemoryFunc *omap_dpll_readfn[] = {
- omap_badwidth_read16,
- omap_dpll_read,
- omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc *omap_dpll_writefn[] = {
- omap_badwidth_write16,
- omap_dpll_write,
- omap_badwidth_write16,
-};
-
-static void omap_dpll_reset(struct dpll_ctl_s *s)
-{
- s->mode = 0x2002;
- omap_clk_setrate(s->dpll, 1, 1);
-}
-
-static void omap_dpll_init(struct dpll_ctl_s *s, target_phys_addr_t base,
- omap_clk clk)
-{
- int iomemtype = cpu_register_io_memory(0, omap_dpll_readfn,
- omap_dpll_writefn, s);
-
- s->base = base;
- s->dpll = clk;
- omap_dpll_reset(s);
-
- cpu_register_physical_memory(s->base, 0x100, iomemtype);
-}
-
-/* UARTs */
-struct omap_uart_s {
- SerialState *serial; /* TODO */
-};
-
-static void omap_uart_reset(struct omap_uart_s *s)
-{
-}
-
-struct omap_uart_s *omap_uart_init(target_phys_addr_t base,
- qemu_irq irq, omap_clk clk, CharDriverState *chr)
-{
- struct omap_uart_s *s = (struct omap_uart_s *)
- qemu_mallocz(sizeof(struct omap_uart_s));
- if (chr)
- s->serial = serial_mm_init(base, 2, irq, chr, 1);
- return s;
-}
-
-/* MPU Clock/Reset/Power Mode Control */
-static uint32_t omap_clkm_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr - s->clkm.mpu_base;
-
- switch (offset) {
- case 0x00: /* ARM_CKCTL */
- return s->clkm.arm_ckctl;
-
- case 0x04: /* ARM_IDLECT1 */
- return s->clkm.arm_idlect1;
-
- case 0x08: /* ARM_IDLECT2 */
- return s->clkm.arm_idlect2;
-
- case 0x0c: /* ARM_EWUPCT */
- return s->clkm.arm_ewupct;
-
- case 0x10: /* ARM_RSTCT1 */
- return s->clkm.arm_rstct1;
-
- case 0x14: /* ARM_RSTCT2 */
- return s->clkm.arm_rstct2;
-
- case 0x18: /* ARM_SYSST */
- return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start;
-
- case 0x1c: /* ARM_CKOUT1 */
- return s->clkm.arm_ckout1;
-
- case 0x20: /* ARM_CKOUT2 */
- break;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static inline void omap_clkm_ckctl_update(struct omap_mpu_state_s *s,
- uint16_t diff, uint16_t value)
-{
- omap_clk clk;
-
- if (diff & (1 << 14)) { /* ARM_INTHCK_SEL */
- if (value & (1 << 14))
- /* Reserved */;
- else {
- clk = omap_findclk(s, "arminth_ck");
- omap_clk_reparent(clk, omap_findclk(s, "tc_ck"));
- }
- }
- if (diff & (1 << 12)) { /* ARM_TIMXO */
- clk = omap_findclk(s, "armtim_ck");
- if (value & (1 << 12))
- omap_clk_reparent(clk, omap_findclk(s, "clkin"));
- else
- omap_clk_reparent(clk, omap_findclk(s, "ck_gen1"));
- }
- /* XXX: en_dspck */
- if (diff & (3 << 10)) { /* DSPMMUDIV */
- clk = omap_findclk(s, "dspmmu_ck");
- omap_clk_setrate(clk, 1 << ((value >> 10) & 3), 1);
- }
- if (diff & (3 << 8)) { /* TCDIV */
- clk = omap_findclk(s, "tc_ck");
- omap_clk_setrate(clk, 1 << ((value >> 8) & 3), 1);
- }
- if (diff & (3 << 6)) { /* DSPDIV */
- clk = omap_findclk(s, "dsp_ck");
- omap_clk_setrate(clk, 1 << ((value >> 6) & 3), 1);
- }
- if (diff & (3 << 4)) { /* ARMDIV */
- clk = omap_findclk(s, "arm_ck");
- omap_clk_setrate(clk, 1 << ((value >> 4) & 3), 1);
- }
- if (diff & (3 << 2)) { /* LCDDIV */
- clk = omap_findclk(s, "lcd_ck");
- omap_clk_setrate(clk, 1 << ((value >> 2) & 3), 1);
- }
- if (diff & (3 << 0)) { /* PERDIV */
- clk = omap_findclk(s, "armper_ck");
- omap_clk_setrate(clk, 1 << ((value >> 0) & 3), 1);
- }
-}
-
-static inline void omap_clkm_idlect1_update(struct omap_mpu_state_s *s,
- uint16_t diff, uint16_t value)
-{
- omap_clk clk;
-
- if (value & (1 << 11)) /* SETARM_IDLE */
- cpu_interrupt(s->env, CPU_INTERRUPT_HALT);
- if (!(value & (1 << 10))) /* WKUP_MODE */
- qemu_system_shutdown_request(); /* XXX: disable wakeup from IRQ */
-
-#define SET_CANIDLE(clock, bit) \
- if (diff & (1 << bit)) { \
- clk = omap_findclk(s, clock); \
- omap_clk_canidle(clk, (value >> bit) & 1); \
- }
- SET_CANIDLE("mpuwd_ck", 0) /* IDLWDT_ARM */
- SET_CANIDLE("armxor_ck", 1) /* IDLXORP_ARM */
- SET_CANIDLE("mpuper_ck", 2) /* IDLPER_ARM */
- SET_CANIDLE("lcd_ck", 3) /* IDLLCD_ARM */
- SET_CANIDLE("lb_ck", 4) /* IDLLB_ARM */
- SET_CANIDLE("hsab_ck", 5) /* IDLHSAB_ARM */
- SET_CANIDLE("tipb_ck", 6) /* IDLIF_ARM */
- SET_CANIDLE("dma_ck", 6) /* IDLIF_ARM */
- SET_CANIDLE("tc_ck", 6) /* IDLIF_ARM */
- SET_CANIDLE("dpll1", 7) /* IDLDPLL_ARM */
- SET_CANIDLE("dpll2", 7) /* IDLDPLL_ARM */
- SET_CANIDLE("dpll3", 7) /* IDLDPLL_ARM */
- SET_CANIDLE("mpui_ck", 8) /* IDLAPI_ARM */
- SET_CANIDLE("armtim_ck", 9) /* IDLTIM_ARM */
-}
-
-static inline void omap_clkm_idlect2_update(struct omap_mpu_state_s *s,
- uint16_t diff, uint16_t value)
-{
- omap_clk clk;
-
-#define SET_ONOFF(clock, bit) \
- if (diff & (1 << bit)) { \
- clk = omap_findclk(s, clock); \
- omap_clk_onoff(clk, (value >> bit) & 1); \
- }
- SET_ONOFF("mpuwd_ck", 0) /* EN_WDTCK */
- SET_ONOFF("armxor_ck", 1) /* EN_XORPCK */
- SET_ONOFF("mpuper_ck", 2) /* EN_PERCK */
- SET_ONOFF("lcd_ck", 3) /* EN_LCDCK */
- SET_ONOFF("lb_ck", 4) /* EN_LBCK */
- SET_ONOFF("hsab_ck", 5) /* EN_HSABCK */
- SET_ONOFF("mpui_ck", 6) /* EN_APICK */
- SET_ONOFF("armtim_ck", 7) /* EN_TIMCK */
- SET_CANIDLE("dma_ck", 8) /* DMACK_REQ */
- SET_ONOFF("arm_gpio_ck", 9) /* EN_GPIOCK */
- SET_ONOFF("lbfree_ck", 10) /* EN_LBFREECK */
-}
-
-static inline void omap_clkm_ckout1_update(struct omap_mpu_state_s *s,
- uint16_t diff, uint16_t value)
-{
- omap_clk clk;
-
- if (diff & (3 << 4)) { /* TCLKOUT */
- clk = omap_findclk(s, "tclk_out");
- switch ((value >> 4) & 3) {
- case 1:
- omap_clk_reparent(clk, omap_findclk(s, "ck_gen3"));
- omap_clk_onoff(clk, 1);
- break;
- case 2:
- omap_clk_reparent(clk, omap_findclk(s, "tc_ck"));
- omap_clk_onoff(clk, 1);
- break;
- default:
- omap_clk_onoff(clk, 0);
- }
- }
- if (diff & (3 << 2)) { /* DCLKOUT */
- clk = omap_findclk(s, "dclk_out");
- switch ((value >> 2) & 3) {
- case 0:
- omap_clk_reparent(clk, omap_findclk(s, "dspmmu_ck"));
- break;
- case 1:
- omap_clk_reparent(clk, omap_findclk(s, "ck_gen2"));
- break;
- case 2:
- omap_clk_reparent(clk, omap_findclk(s, "dsp_ck"));
- break;
- case 3:
- omap_clk_reparent(clk, omap_findclk(s, "ck_ref14"));
- break;
- }
- }
- if (diff & (3 << 0)) { /* ACLKOUT */
- clk = omap_findclk(s, "aclk_out");
- switch ((value >> 0) & 3) {
- case 1:
- omap_clk_reparent(clk, omap_findclk(s, "ck_gen1"));
- omap_clk_onoff(clk, 1);
- break;
- case 2:
- omap_clk_reparent(clk, omap_findclk(s, "arm_ck"));
- omap_clk_onoff(clk, 1);
- break;
- case 3:
- omap_clk_reparent(clk, omap_findclk(s, "ck_ref14"));
- omap_clk_onoff(clk, 1);
- break;
- default:
- omap_clk_onoff(clk, 0);
- }
- }
-}
-
-static void omap_clkm_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr - s->clkm.mpu_base;
- uint16_t diff;
- omap_clk clk;
- static const char *clkschemename[8] = {
- "fully synchronous", "fully asynchronous", "synchronous scalable",
- "mix mode 1", "mix mode 2", "bypass mode", "mix mode 3", "mix mode 4",
- };
-
- switch (offset) {
- case 0x00: /* ARM_CKCTL */
- diff = s->clkm.arm_ckctl ^ value;
- s->clkm.arm_ckctl = value & 0x7fff;
- omap_clkm_ckctl_update(s, diff, value);
- return;
-
- case 0x04: /* ARM_IDLECT1 */
- diff = s->clkm.arm_idlect1 ^ value;
- s->clkm.arm_idlect1 = value & 0x0fff;
- omap_clkm_idlect1_update(s, diff, value);
- return;
-
- case 0x08: /* ARM_IDLECT2 */
- diff = s->clkm.arm_idlect2 ^ value;
- s->clkm.arm_idlect2 = value & 0x07ff;
- omap_clkm_idlect2_update(s, diff, value);
- return;
-
- case 0x0c: /* ARM_EWUPCT */
- diff = s->clkm.arm_ewupct ^ value;
- s->clkm.arm_ewupct = value & 0x003f;
- return;
-
- case 0x10: /* ARM_RSTCT1 */
- diff = s->clkm.arm_rstct1 ^ value;
- s->clkm.arm_rstct1 = value & 0x0007;
- if (value & 9) {
- qemu_system_reset_request();
- s->clkm.cold_start = 0xa;
- }
- if (diff & ~value & 4) { /* DSP_RST */
- omap_mpui_reset(s);
- omap_tipb_bridge_reset(s->private_tipb);
- omap_tipb_bridge_reset(s->public_tipb);
- }
- if (diff & 2) { /* DSP_EN */
- clk = omap_findclk(s, "dsp_ck");
- omap_clk_canidle(clk, (~value >> 1) & 1);
- }
- return;
-
- case 0x14: /* ARM_RSTCT2 */
- s->clkm.arm_rstct2 = value & 0x0001;
- return;
-
- case 0x18: /* ARM_SYSST */
- if ((s->clkm.clocking_scheme ^ (value >> 11)) & 7) {
- s->clkm.clocking_scheme = (value >> 11) & 7;
- printf("%s: clocking scheme set to %s\n", __FUNCTION__,
- clkschemename[s->clkm.clocking_scheme]);
- }
- s->clkm.cold_start &= value & 0x3f;
- return;
-
- case 0x1c: /* ARM_CKOUT1 */
- diff = s->clkm.arm_ckout1 ^ value;
- s->clkm.arm_ckout1 = value & 0x003f;
- omap_clkm_ckout1_update(s, diff, value);
- return;
-
- case 0x20: /* ARM_CKOUT2 */
- default:
- OMAP_BAD_REG(addr);
- }
-}
-
-static CPUReadMemoryFunc *omap_clkm_readfn[] = {
- omap_badwidth_read16,
- omap_clkm_read,
- omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc *omap_clkm_writefn[] = {
- omap_badwidth_write16,
- omap_clkm_write,
- omap_badwidth_write16,
-};
-
-static uint32_t omap_clkdsp_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr - s->clkm.dsp_base;
-
- switch (offset) {
- case 0x04: /* DSP_IDLECT1 */
- return s->clkm.dsp_idlect1;
-
- case 0x08: /* DSP_IDLECT2 */
- return s->clkm.dsp_idlect2;
-
- case 0x14: /* DSP_RSTCT2 */
- return s->clkm.dsp_rstct2;
-
- case 0x18: /* DSP_SYSST */
- return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start |
- (s->env->halted << 6); /* Quite useless... */
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static inline void omap_clkdsp_idlect1_update(struct omap_mpu_state_s *s,
- uint16_t diff, uint16_t value)
-{
- omap_clk clk;
-
- SET_CANIDLE("dspxor_ck", 1); /* IDLXORP_DSP */
-}
-
-static inline void omap_clkdsp_idlect2_update(struct omap_mpu_state_s *s,
- uint16_t diff, uint16_t value)
-{
- omap_clk clk;
-
- SET_ONOFF("dspxor_ck", 1); /* EN_XORPCK */
-}
-
-static void omap_clkdsp_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr - s->clkm.dsp_base;
- uint16_t diff;
-
- switch (offset) {
- case 0x04: /* DSP_IDLECT1 */
- diff = s->clkm.dsp_idlect1 ^ value;
- s->clkm.dsp_idlect1 = value & 0x01f7;
- omap_clkdsp_idlect1_update(s, diff, value);
- break;
-
- case 0x08: /* DSP_IDLECT2 */
- s->clkm.dsp_idlect2 = value & 0x0037;
- diff = s->clkm.dsp_idlect1 ^ value;
- omap_clkdsp_idlect2_update(s, diff, value);
- break;
-
- case 0x14: /* DSP_RSTCT2 */
- s->clkm.dsp_rstct2 = value & 0x0001;
- break;
-
- case 0x18: /* DSP_SYSST */
- s->clkm.cold_start &= value & 0x3f;
- break;
-
- default:
- OMAP_BAD_REG(addr);
- }
-}
-
-static CPUReadMemoryFunc *omap_clkdsp_readfn[] = {
- omap_badwidth_read16,
- omap_clkdsp_read,
- omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc *omap_clkdsp_writefn[] = {
- omap_badwidth_write16,
- omap_clkdsp_write,
- omap_badwidth_write16,
-};
-
-static void omap_clkm_reset(struct omap_mpu_state_s *s)
-{
- if (s->wdt && s->wdt->reset)
- s->clkm.cold_start = 0x6;
- s->clkm.clocking_scheme = 0;
- omap_clkm_ckctl_update(s, ~0, 0x3000);
- s->clkm.arm_ckctl = 0x3000;
- omap_clkm_idlect1_update(s, s->clkm.arm_idlect1 ^ 0x0400, 0x0400);
- s->clkm.arm_idlect1 = 0x0400;
- omap_clkm_idlect2_update(s, s->clkm.arm_idlect2 ^ 0x0100, 0x0100);
- s->clkm.arm_idlect2 = 0x0100;
- s->clkm.arm_ewupct = 0x003f;
- s->clkm.arm_rstct1 = 0x0000;
- s->clkm.arm_rstct2 = 0x0000;
- s->clkm.arm_ckout1 = 0x0015;
- s->clkm.dpll1_mode = 0x2002;
- omap_clkdsp_idlect1_update(s, s->clkm.dsp_idlect1 ^ 0x0040, 0x0040);
- s->clkm.dsp_idlect1 = 0x0040;
- omap_clkdsp_idlect2_update(s, ~0, 0x0000);
- s->clkm.dsp_idlect2 = 0x0000;
- s->clkm.dsp_rstct2 = 0x0000;
-}
-
-static void omap_clkm_init(target_phys_addr_t mpu_base,
- target_phys_addr_t dsp_base, struct omap_mpu_state_s *s)
-{
- int iomemtype[2] = {
- cpu_register_io_memory(0, omap_clkm_readfn, omap_clkm_writefn, s),
- cpu_register_io_memory(0, omap_clkdsp_readfn, omap_clkdsp_writefn, s),
- };
-
- s->clkm.mpu_base = mpu_base;
- s->clkm.dsp_base = dsp_base;
- s->clkm.arm_idlect1 = 0x03ff;
- s->clkm.arm_idlect2 = 0x0100;
- s->clkm.dsp_idlect1 = 0x0002;
- omap_clkm_reset(s);
- s->clkm.cold_start = 0x3a;
-
- cpu_register_physical_memory(s->clkm.mpu_base, 0x100, iomemtype[0]);
- cpu_register_physical_memory(s->clkm.dsp_base, 0x1000, iomemtype[1]);
-}
-
-/* MPU I/O */
-struct omap_mpuio_s {
- target_phys_addr_t base;
- qemu_irq irq;
- qemu_irq kbd_irq;
- qemu_irq *in;
- qemu_irq handler[16];
- qemu_irq wakeup;
-
- uint16_t inputs;
- uint16_t outputs;
- uint16_t dir;
- uint16_t edge;
- uint16_t mask;
- uint16_t ints;
-
- uint16_t debounce;
- uint16_t latch;
- uint8_t event;
-
- uint8_t buttons[5];
- uint8_t row_latch;
- uint8_t cols;
- int kbd_mask;
- int clk;
-};
-
-static void omap_mpuio_set(void *opaque, int line, int level)
-{
- struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
- uint16_t prev = s->inputs;
-
- if (level)
- s->inputs |= 1 << line;
- else
- s->inputs &= ~(1 << line);
-
- if (((1 << line) & s->dir & ~s->mask) && s->clk) {
- if ((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) {
- s->ints |= 1 << line;
- qemu_irq_raise(s->irq);
- /* TODO: wakeup */
- }
- if ((s->event & (1 << 0)) && /* SET_GPIO_EVENT_MODE */
- (s->event >> 1) == line) /* PIN_SELECT */
- s->latch = s->inputs;
- }
-}
-
-static void omap_mpuio_kbd_update(struct omap_mpuio_s *s)
-{
- int i;
- uint8_t *row, rows = 0, cols = ~s->cols;
-
- for (row = s->buttons + 4, i = 1 << 4; i; row --, i >>= 1)
- if (*row & cols)
- rows |= i;
-
- qemu_set_irq(s->kbd_irq, rows && !s->kbd_mask && s->clk);
- s->row_latch = ~rows;
-}
-
-static uint32_t omap_mpuio_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
- uint16_t ret;
-
- switch (offset) {
- case 0x00: /* INPUT_LATCH */
- return s->inputs;
-
- case 0x04: /* OUTPUT_REG */
- return s->outputs;
-
- case 0x08: /* IO_CNTL */
- return s->dir;
-
- case 0x10: /* KBR_LATCH */
- return s->row_latch;
-
- case 0x14: /* KBC_REG */
- return s->cols;
-
- case 0x18: /* GPIO_EVENT_MODE_REG */
- return s->event;
-
- case 0x1c: /* GPIO_INT_EDGE_REG */
- return s->edge;
-
- case 0x20: /* KBD_INT */
- return (~s->row_latch & 0x1f) && !s->kbd_mask;
-
- case 0x24: /* GPIO_INT */
- ret = s->ints;
- s->ints &= s->mask;
- if (ret)
- qemu_irq_lower(s->irq);
- return ret;
-
- case 0x28: /* KBD_MASKIT */
- return s->kbd_mask;
-
- case 0x2c: /* GPIO_MASKIT */
- return s->mask;
-
- case 0x30: /* GPIO_DEBOUNCING_REG */
- return s->debounce;
-
- case 0x34: /* GPIO_LATCH_REG */
- return s->latch;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_mpuio_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
- uint16_t diff;
- int ln;
-
- switch (offset) {
- case 0x04: /* OUTPUT_REG */
- diff = (s->outputs ^ value) & ~s->dir;
- s->outputs = value;
- while ((ln = ffs(diff))) {
- ln --;
- if (s->handler[ln])
- qemu_set_irq(s->handler[ln], (value >> ln) & 1);
- diff &= ~(1 << ln);
- }
- break;
-
- case 0x08: /* IO_CNTL */
- diff = s->outputs & (s->dir ^ value);
- s->dir = value;
-
- value = s->outputs & ~s->dir;
- while ((ln = ffs(diff))) {
- ln --;
- if (s->handler[ln])
- qemu_set_irq(s->handler[ln], (value >> ln) & 1);
- diff &= ~(1 << ln);
- }
- break;
-
- case 0x14: /* KBC_REG */
- s->cols = value;
- omap_mpuio_kbd_update(s);
- break;
-
- case 0x18: /* GPIO_EVENT_MODE_REG */
- s->event = value & 0x1f;
- break;
-
- case 0x1c: /* GPIO_INT_EDGE_REG */
- s->edge = value;
- break;
-
- case 0x28: /* KBD_MASKIT */
- s->kbd_mask = value & 1;
- omap_mpuio_kbd_update(s);
- break;
-
- case 0x2c: /* GPIO_MASKIT */
- s->mask = value;
- break;
-
- case 0x30: /* GPIO_DEBOUNCING_REG */
- s->debounce = value & 0x1ff;
- break;
-
- case 0x00: /* INPUT_LATCH */
- case 0x10: /* KBR_LATCH */
- case 0x20: /* KBD_INT */
- case 0x24: /* GPIO_INT */
- case 0x34: /* GPIO_LATCH_REG */
- OMAP_RO_REG(addr);
- return;
-
- default:
- OMAP_BAD_REG(addr);
- return;
- }
-}
-
-static CPUReadMemoryFunc *omap_mpuio_readfn[] = {
- omap_badwidth_read16,
- omap_mpuio_read,
- omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc *omap_mpuio_writefn[] = {
- omap_badwidth_write16,
- omap_mpuio_write,
- omap_badwidth_write16,
-};
-
-static void omap_mpuio_reset(struct omap_mpuio_s *s)
-{
- s->inputs = 0;
- s->outputs = 0;
- s->dir = ~0;
- s->event = 0;
- s->edge = 0;
- s->kbd_mask = 0;
- s->mask = 0;
- s->debounce = 0;
- s->latch = 0;
- s->ints = 0;
- s->row_latch = 0x1f;
- s->clk = 1;
-}
-
-static void omap_mpuio_onoff(void *opaque, int line, int on)
-{
- struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
-
- s->clk = on;
- if (on)
- omap_mpuio_kbd_update(s);
-}
-
-struct omap_mpuio_s *omap_mpuio_init(target_phys_addr_t base,
- qemu_irq kbd_int, qemu_irq gpio_int, qemu_irq wakeup,
- omap_clk clk)
-{
- int iomemtype;
- struct omap_mpuio_s *s = (struct omap_mpuio_s *)
- qemu_mallocz(sizeof(struct omap_mpuio_s));
-
- s->base = base;
- s->irq = gpio_int;
- s->kbd_irq = kbd_int;
- s->wakeup = wakeup;
- s->in = qemu_allocate_irqs(omap_mpuio_set, s, 16);
- omap_mpuio_reset(s);
-
- iomemtype = cpu_register_io_memory(0, omap_mpuio_readfn,
- omap_mpuio_writefn, s);
- cpu_register_physical_memory(s->base, 0x800, iomemtype);
-
- omap_clk_adduser(clk, qemu_allocate_irqs(omap_mpuio_onoff, s, 1)[0]);
-
- return s;
-}
-
-qemu_irq *omap_mpuio_in_get(struct omap_mpuio_s *s)
-{
- return s->in;
-}
-
-void omap_mpuio_out_set(struct omap_mpuio_s *s, int line, qemu_irq handler)
-{
- if (line >= 16 || line < 0)
- cpu_abort(cpu_single_env, "%s: No GPIO line %i\n", __FUNCTION__, line);
- s->handler[line] = handler;
-}
-
-void omap_mpuio_key(struct omap_mpuio_s *s, int row, int col, int down)
-{
- if (row >= 5 || row < 0)
- cpu_abort(cpu_single_env, "%s: No key %i-%i\n",
- __FUNCTION__, col, row);
-
- if (down)
- s->buttons[row] |= 1 << col;
- else
- s->buttons[row] &= ~(1 << col);
-
- omap_mpuio_kbd_update(s);
-}
-
-/* General-Purpose I/O */
-struct omap_gpio_s {
- target_phys_addr_t base;
- qemu_irq irq;
- qemu_irq *in;
- qemu_irq handler[16];
-
- uint16_t inputs;
- uint16_t outputs;
- uint16_t dir;
- uint16_t edge;
- uint16_t mask;
- uint16_t ints;
- uint16_t pins;
-};
-
-static void omap_gpio_set(void *opaque, int line, int level)
-{
- struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
- uint16_t prev = s->inputs;
-
- if (level)
- s->inputs |= 1 << line;
- else
- s->inputs &= ~(1 << line);
-
- if (((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) &
- (1 << line) & s->dir & ~s->mask) {
- s->ints |= 1 << line;
- qemu_irq_raise(s->irq);
- }
-}
-
-static uint32_t omap_gpio_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
-
- switch (offset) {
- case 0x00: /* DATA_INPUT */
- return s->inputs & s->pins;
-
- case 0x04: /* DATA_OUTPUT */
- return s->outputs;
-
- case 0x08: /* DIRECTION_CONTROL */
- return s->dir;
-
- case 0x0c: /* INTERRUPT_CONTROL */
- return s->edge;
-
- case 0x10: /* INTERRUPT_MASK */
- return s->mask;
-
- case 0x14: /* INTERRUPT_STATUS */
- return s->ints;
-
- case 0x18: /* PIN_CONTROL (not in OMAP310) */
- OMAP_BAD_REG(addr);
- return s->pins;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_gpio_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
- uint16_t diff;
- int ln;
-
- switch (offset) {
- case 0x00: /* DATA_INPUT */
- OMAP_RO_REG(addr);
- return;
-
- case 0x04: /* DATA_OUTPUT */
- diff = (s->outputs ^ value) & ~s->dir;
- s->outputs = value;
- while ((ln = ffs(diff))) {
- ln --;
- if (s->handler[ln])
- qemu_set_irq(s->handler[ln], (value >> ln) & 1);
- diff &= ~(1 << ln);
- }
- break;
-
- case 0x08: /* DIRECTION_CONTROL */
- diff = s->outputs & (s->dir ^ value);
- s->dir = value;
-
- value = s->outputs & ~s->dir;
- while ((ln = ffs(diff))) {
- ln --;
- if (s->handler[ln])
- qemu_set_irq(s->handler[ln], (value >> ln) & 1);
- diff &= ~(1 << ln);
- }
- break;
-
- case 0x0c: /* INTERRUPT_CONTROL */
- s->edge = value;
- break;
-
- case 0x10: /* INTERRUPT_MASK */
- s->mask = value;
- break;
-
- case 0x14: /* INTERRUPT_STATUS */
- s->ints &= ~value;
- if (!s->ints)
- qemu_irq_lower(s->irq);
- break;
-
- case 0x18: /* PIN_CONTROL (not in OMAP310 TRM) */
- OMAP_BAD_REG(addr);
- s->pins = value;
- break;
-
- default:
- OMAP_BAD_REG(addr);
- return;
- }
-}
-
-/* *Some* sources say the memory region is 32-bit. */
-static CPUReadMemoryFunc *omap_gpio_readfn[] = {
- omap_badwidth_read16,
- omap_gpio_read,
- omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc *omap_gpio_writefn[] = {
- omap_badwidth_write16,
- omap_gpio_write,
- omap_badwidth_write16,
-};
-
-static void omap_gpio_reset(struct omap_gpio_s *s)
-{
- s->inputs = 0;
- s->outputs = ~0;
- s->dir = ~0;
- s->edge = ~0;
- s->mask = ~0;
- s->ints = 0;
- s->pins = ~0;
-}
-
-struct omap_gpio_s *omap_gpio_init(target_phys_addr_t base,
- qemu_irq irq, omap_clk clk)
-{
- int iomemtype;
- struct omap_gpio_s *s = (struct omap_gpio_s *)
- qemu_mallocz(sizeof(struct omap_gpio_s));
-
- s->base = base;
- s->irq = irq;
- s->in = qemu_allocate_irqs(omap_gpio_set, s, 16);
- omap_gpio_reset(s);
-
- iomemtype = cpu_register_io_memory(0, omap_gpio_readfn,
- omap_gpio_writefn, s);
- cpu_register_physical_memory(s->base, 0x1000, iomemtype);
-
- return s;
-}
-
-qemu_irq *omap_gpio_in_get(struct omap_gpio_s *s)
-{
- return s->in;
-}
-
-void omap_gpio_out_set(struct omap_gpio_s *s, int line, qemu_irq handler)
-{
- if (line >= 16 || line < 0)
- cpu_abort(cpu_single_env, "%s: No GPIO line %i\n", __FUNCTION__, line);
- s->handler[line] = handler;
-}
-
-/* MicroWire Interface */
-struct omap_uwire_s {
- target_phys_addr_t base;
- qemu_irq txirq;
- qemu_irq rxirq;
- qemu_irq txdrq;
-
- uint16_t txbuf;
- uint16_t rxbuf;
- uint16_t control;
- uint16_t setup[5];
-
- struct uwire_slave_s *chip[4];
-};
-
-static void omap_uwire_transfer_start(struct omap_uwire_s *s)
-{
- int chipselect = (s->control >> 10) & 3; /* INDEX */
- struct uwire_slave_s *slave = s->chip[chipselect];
-
- if ((s->control >> 5) & 0x1f) { /* NB_BITS_WR */
- if (s->control & (1 << 12)) /* CS_CMD */
- if (slave && slave->send)
- slave->send(slave->opaque,
- s->txbuf >> (16 - ((s->control >> 5) & 0x1f)));
- s->control &= ~(1 << 14); /* CSRB */
- /* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or
- * a DRQ. When is the level IRQ supposed to be reset? */
- }
-
- if ((s->control >> 0) & 0x1f) { /* NB_BITS_RD */
- if (s->control & (1 << 12)) /* CS_CMD */
- if (slave && slave->receive)
- s->rxbuf = slave->receive(slave->opaque);
- s->control |= 1 << 15; /* RDRB */
- /* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or
- * a DRQ. When is the level IRQ supposed to be reset? */
- }
-}
-
-static uint32_t omap_uwire_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_uwire_s *s = (struct omap_uwire_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
-
- switch (offset) {
- case 0x00: /* RDR */
- s->control &= ~(1 << 15); /* RDRB */
- return s->rxbuf;
-
- case 0x04: /* CSR */
- return s->control;
-
- case 0x08: /* SR1 */
- return s->setup[0];
- case 0x0c: /* SR2 */
- return s->setup[1];
- case 0x10: /* SR3 */
- return s->setup[2];
- case 0x14: /* SR4 */
- return s->setup[3];
- case 0x18: /* SR5 */
- return s->setup[4];
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_uwire_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_uwire_s *s = (struct omap_uwire_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
-
- switch (offset) {
- case 0x00: /* TDR */
- s->txbuf = value; /* TD */
- if ((s->setup[4] & (1 << 2)) && /* AUTO_TX_EN */
- ((s->setup[4] & (1 << 3)) || /* CS_TOGGLE_TX_EN */
- (s->control & (1 << 12)))) { /* CS_CMD */
- s->control |= 1 << 14; /* CSRB */
- omap_uwire_transfer_start(s);
- }
- break;
-
- case 0x04: /* CSR */
- s->control = value & 0x1fff;
- if (value & (1 << 13)) /* START */
- omap_uwire_transfer_start(s);
- break;
-
- case 0x08: /* SR1 */
- s->setup[0] = value & 0x003f;
- break;
-
- case 0x0c: /* SR2 */
- s->setup[1] = value & 0x0fc0;
- break;
-
- case 0x10: /* SR3 */
- s->setup[2] = value & 0x0003;
- break;
-
- case 0x14: /* SR4 */
- s->setup[3] = value & 0x0001;
- break;
-
- case 0x18: /* SR5 */
- s->setup[4] = value & 0x000f;
- break;
-
- default:
- OMAP_BAD_REG(addr);
- return;
- }
-}
-
-static CPUReadMemoryFunc *omap_uwire_readfn[] = {
- omap_badwidth_read16,
- omap_uwire_read,
- omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc *omap_uwire_writefn[] = {
- omap_badwidth_write16,
- omap_uwire_write,
- omap_badwidth_write16,
-};
-
-static void omap_uwire_reset(struct omap_uwire_s *s)
-{
- s->control = 0;
- s->setup[0] = 0;
- s->setup[1] = 0;
- s->setup[2] = 0;
- s->setup[3] = 0;
- s->setup[4] = 0;
-}
-
-struct omap_uwire_s *omap_uwire_init(target_phys_addr_t base,
- qemu_irq *irq, qemu_irq dma, omap_clk clk)
-{
- int iomemtype;
- struct omap_uwire_s *s = (struct omap_uwire_s *)
- qemu_mallocz(sizeof(struct omap_uwire_s));
-
- s->base = base;
- s->txirq = irq[0];
- s->rxirq = irq[1];
- s->txdrq = dma;
- omap_uwire_reset(s);
-
- iomemtype = cpu_register_io_memory(0, omap_uwire_readfn,
- omap_uwire_writefn, s);
- cpu_register_physical_memory(s->base, 0x800, iomemtype);
-
- return s;
-}
-
-void omap_uwire_attach(struct omap_uwire_s *s,
- struct uwire_slave_s *slave, int chipselect)
-{
- if (chipselect < 0 || chipselect > 3)
- cpu_abort(cpu_single_env, "%s: Bad chipselect %i\n", __FUNCTION__,
- chipselect);
-
- s->chip[chipselect] = slave;
-}
-
-/* Pseudonoise Pulse-Width Light Modulator */
-static void omap_pwl_update(struct omap_mpu_state_s *s)
-{
- int output = (s->pwl.clk && s->pwl.enable) ? s->pwl.level : 0;
-
- if (output != s->pwl.output) {
- s->pwl.output = output;
- printf("%s: Backlight now at %i/256\n", __FUNCTION__, output);
- }
-}
-
-static uint32_t omap_pwl_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
-
- switch (offset) {
- case 0x00: /* PWL_LEVEL */
- return s->pwl.level;
- case 0x04: /* PWL_CTRL */
- return s->pwl.enable;
- }
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_pwl_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
-
- switch (offset) {
- case 0x00: /* PWL_LEVEL */
- s->pwl.level = value;
- omap_pwl_update(s);
- break;
- case 0x04: /* PWL_CTRL */
- s->pwl.enable = value & 1;
- omap_pwl_update(s);
- break;
- default:
- OMAP_BAD_REG(addr);
- return;
- }
-}
-
-static CPUReadMemoryFunc *omap_pwl_readfn[] = {
- omap_pwl_read,
- omap_badwidth_read8,
- omap_badwidth_read8,
-};
-
-static CPUWriteMemoryFunc *omap_pwl_writefn[] = {
- omap_pwl_write,
- omap_badwidth_write8,
- omap_badwidth_write8,
-};
-
-static void omap_pwl_reset(struct omap_mpu_state_s *s)
-{
- s->pwl.output = 0;
- s->pwl.level = 0;
- s->pwl.enable = 0;
- s->pwl.clk = 1;
- omap_pwl_update(s);
-}
-
-static void omap_pwl_clk_update(void *opaque, int line, int on)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
-
- s->pwl.clk = on;
- omap_pwl_update(s);
-}
-
-static void omap_pwl_init(target_phys_addr_t base, struct omap_mpu_state_s *s,
- omap_clk clk)
-{
- int iomemtype;
-
- omap_pwl_reset(s);
-
- iomemtype = cpu_register_io_memory(0, omap_pwl_readfn,
- omap_pwl_writefn, s);
- cpu_register_physical_memory(base, 0x800, iomemtype);
-
- omap_clk_adduser(clk, qemu_allocate_irqs(omap_pwl_clk_update, s, 1)[0]);
-}
-
-/* Pulse-Width Tone module */
-static uint32_t omap_pwt_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
-
- switch (offset) {
- case 0x00: /* FRC */
- return s->pwt.frc;
- case 0x04: /* VCR */
- return s->pwt.vrc;
- case 0x08: /* GCR */
- return s->pwt.gcr;
- }
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_pwt_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
-
- switch (offset) {
- case 0x00: /* FRC */
- s->pwt.frc = value & 0x3f;
- break;
- case 0x04: /* VRC */
- if ((value ^ s->pwt.vrc) & 1) {
- if (value & 1)
- printf("%s: %iHz buzz on\n", __FUNCTION__, (int)
- /* 1.5 MHz from a 12-MHz or 13-MHz PWT_CLK */
- ((omap_clk_getrate(s->pwt.clk) >> 3) /
- /* Pre-multiplexer divider */
- ((s->pwt.gcr & 2) ? 1 : 154) /
- /* Octave multiplexer */
- (2 << (value & 3)) *
- /* 101/107 divider */
- ((value & (1 << 2)) ? 101 : 107) *
- /* 49/55 divider */
- ((value & (1 << 3)) ? 49 : 55) *
- /* 50/63 divider */
- ((value & (1 << 4)) ? 50 : 63) *
- /* 80/127 divider */
- ((value & (1 << 5)) ? 80 : 127) /
- (107 * 55 * 63 * 127)));
- else
- printf("%s: silence!\n", __FUNCTION__);
- }
- s->pwt.vrc = value & 0x7f;
- break;
- case 0x08: /* GCR */
- s->pwt.gcr = value & 3;
- break;
- default:
- OMAP_BAD_REG(addr);
- return;
- }
-}
-
-static CPUReadMemoryFunc *omap_pwt_readfn[] = {
- omap_pwt_read,
- omap_badwidth_read8,
- omap_badwidth_read8,
-};
-
-static CPUWriteMemoryFunc *omap_pwt_writefn[] = {
- omap_pwt_write,
- omap_badwidth_write8,
- omap_badwidth_write8,
-};
-
-static void omap_pwt_reset(struct omap_mpu_state_s *s)
-{
- s->pwt.frc = 0;
- s->pwt.vrc = 0;
- s->pwt.gcr = 0;
-}
-
-static void omap_pwt_init(target_phys_addr_t base, struct omap_mpu_state_s *s,
- omap_clk clk)
-{
- int iomemtype;
-
- s->pwt.clk = clk;
- omap_pwt_reset(s);
-
- iomemtype = cpu_register_io_memory(0, omap_pwt_readfn,
- omap_pwt_writefn, s);
- cpu_register_physical_memory(base, 0x800, iomemtype);
-}
-
-/* Real-time Clock module */
-struct omap_rtc_s {
- target_phys_addr_t base;
- qemu_irq irq;
- qemu_irq alarm;
- QEMUTimer *clk;
-
- uint8_t interrupts;
- uint8_t status;
- int16_t comp_reg;
- int running;
- int pm_am;
- int auto_comp;
- int round;
- struct tm alarm_tm;
- time_t alarm_ti;
-
- struct tm current_tm;
- time_t ti;
- uint64_t tick;
-};
-
-static void omap_rtc_interrupts_update(struct omap_rtc_s *s)
-{
- /* s->alarm is level-triggered */
- qemu_set_irq(s->alarm, (s->status >> 6) & 1);
-}
-
-static void omap_rtc_alarm_update(struct omap_rtc_s *s)
-{
- s->alarm_ti = mktime(&s->alarm_tm);
- if (s->alarm_ti == -1)
- printf("%s: conversion failed\n", __FUNCTION__);
-}
-
-static inline uint8_t omap_rtc_bcd(int num)
-{
- return ((num / 10) << 4) | (num % 10);
-}
-
-static inline int omap_rtc_bin(uint8_t num)
-{
- return (num & 15) + 10 * (num >> 4);
-}
-
-static uint32_t omap_rtc_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_rtc_s *s = (struct omap_rtc_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
- uint8_t i;
-
- switch (offset) {
- case 0x00: /* SECONDS_REG */
- return omap_rtc_bcd(s->current_tm.tm_sec);
-
- case 0x04: /* MINUTES_REG */
- return omap_rtc_bcd(s->current_tm.tm_min);
-
- case 0x08: /* HOURS_REG */
- if (s->pm_am)
- return ((s->current_tm.tm_hour > 11) << 7) |
- omap_rtc_bcd(((s->current_tm.tm_hour - 1) % 12) + 1);
- else
- return omap_rtc_bcd(s->current_tm.tm_hour);
-
- case 0x0c: /* DAYS_REG */
- return omap_rtc_bcd(s->current_tm.tm_mday);
-
- case 0x10: /* MONTHS_REG */
- return omap_rtc_bcd(s->current_tm.tm_mon + 1);
-
- case 0x14: /* YEARS_REG */
- return omap_rtc_bcd(s->current_tm.tm_year % 100);
-
- case 0x18: /* WEEK_REG */
- return s->current_tm.tm_wday;
-
- case 0x20: /* ALARM_SECONDS_REG */
- return omap_rtc_bcd(s->alarm_tm.tm_sec);
-
- case 0x24: /* ALARM_MINUTES_REG */
- return omap_rtc_bcd(s->alarm_tm.tm_min);
-
- case 0x28: /* ALARM_HOURS_REG */
- if (s->pm_am)
- return ((s->alarm_tm.tm_hour > 11) << 7) |
- omap_rtc_bcd(((s->alarm_tm.tm_hour - 1) % 12) + 1);
- else
- return omap_rtc_bcd(s->alarm_tm.tm_hour);
-
- case 0x2c: /* ALARM_DAYS_REG */
- return omap_rtc_bcd(s->alarm_tm.tm_mday);
-
- case 0x30: /* ALARM_MONTHS_REG */
- return omap_rtc_bcd(s->alarm_tm.tm_mon + 1);
-
- case 0x34: /* ALARM_YEARS_REG */
- return omap_rtc_bcd(s->alarm_tm.tm_year % 100);
-
- case 0x40: /* RTC_CTRL_REG */
- return (s->pm_am << 3) | (s->auto_comp << 2) |
- (s->round << 1) | s->running;
-
- case 0x44: /* RTC_STATUS_REG */
- i = s->status;
- s->status &= ~0x3d;
- return i;
-
- case 0x48: /* RTC_INTERRUPTS_REG */
- return s->interrupts;
-
- case 0x4c: /* RTC_COMP_LSB_REG */
- return ((uint16_t) s->comp_reg) & 0xff;
-
- case 0x50: /* RTC_COMP_MSB_REG */
- return ((uint16_t) s->comp_reg) >> 8;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_rtc_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_rtc_s *s = (struct omap_rtc_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
- struct tm new_tm;
- time_t ti[2];
-
- switch (offset) {
- case 0x00: /* SECONDS_REG */
-#if ALMDEBUG
- printf("RTC SEC_REG <-- %02x\n", value);
-#endif
- s->ti -= s->current_tm.tm_sec;
- s->ti += omap_rtc_bin(value);
- return;
-
- case 0x04: /* MINUTES_REG */
-#if ALMDEBUG
- printf("RTC MIN_REG <-- %02x\n", value);
-#endif
- s->ti -= s->current_tm.tm_min * 60;
- s->ti += omap_rtc_bin(value) * 60;
- return;
-
- case 0x08: /* HOURS_REG */
-#if ALMDEBUG
- printf("RTC HRS_REG <-- %02x\n", value);
-#endif
- s->ti -= s->current_tm.tm_hour * 3600;
- if (s->pm_am) {
- s->ti += (omap_rtc_bin(value & 0x3f) & 12) * 3600;
- s->ti += ((value >> 7) & 1) * 43200;
- } else
- s->ti += omap_rtc_bin(value & 0x3f) * 3600;
- return;
-
- case 0x0c: /* DAYS_REG */
-#if ALMDEBUG
- printf("RTC DAY_REG <-- %02x\n", value);
-#endif
- s->ti -= s->current_tm.tm_mday * 86400;
- s->ti += omap_rtc_bin(value) * 86400;
- return;
-
- case 0x10: /* MONTHS_REG */
-#if ALMDEBUG
- printf("RTC MTH_REG <-- %02x\n", value);
-#endif
- memcpy(&new_tm, &s->current_tm, sizeof(new_tm));
- new_tm.tm_mon = omap_rtc_bin(value);
- ti[0] = mktime(&s->current_tm);
- ti[1] = mktime(&new_tm);
-
- if (ti[0] != -1 && ti[1] != -1) {
- s->ti -= ti[0];
- s->ti += ti[1];
- } else {
- /* A less accurate version */
- s->ti -= s->current_tm.tm_mon * 2592000;
- s->ti += omap_rtc_bin(value) * 2592000;
- }
- return;
-
- case 0x14: /* YEARS_REG */
-#if ALMDEBUG
- printf("RTC YRS_REG <-- %02x\n", value);
-#endif
- memcpy(&new_tm, &s->current_tm, sizeof(new_tm));
- new_tm.tm_year += omap_rtc_bin(value) - (new_tm.tm_year % 100);
- ti[0] = mktime(&s->current_tm);
- ti[1] = mktime(&new_tm);
-
- if (ti[0] != -1 && ti[1] != -1) {
- s->ti -= ti[0];
- s->ti += ti[1];
- } else {
- /* A less accurate version */
- s->ti -= (s->current_tm.tm_year % 100) * 31536000;
- s->ti += omap_rtc_bin(value) * 31536000;
- }
- return;
-
- case 0x18: /* WEEK_REG */
- return; /* Ignored */
-
- case 0x20: /* ALARM_SECONDS_REG */
-#if ALMDEBUG
- printf("ALM SEC_REG <-- %02x\n", value);
-#endif
- s->alarm_tm.tm_sec = omap_rtc_bin(value);
- omap_rtc_alarm_update(s);
- return;
-
- case 0x24: /* ALARM_MINUTES_REG */
-#if ALMDEBUG
- printf("ALM MIN_REG <-- %02x\n", value);
-#endif
- s->alarm_tm.tm_min = omap_rtc_bin(value);
- omap_rtc_alarm_update(s);
- return;
-
- case 0x28: /* ALARM_HOURS_REG */
-#if ALMDEBUG
- printf("ALM HRS_REG <-- %02x\n", value);
-#endif
- if (s->pm_am)
- s->alarm_tm.tm_hour =
- ((omap_rtc_bin(value & 0x3f)) % 12) +
- ((value >> 7) & 1) * 12;
- else
- s->alarm_tm.tm_hour = omap_rtc_bin(value);
- omap_rtc_alarm_update(s);
- return;
-
- case 0x2c: /* ALARM_DAYS_REG */
-#if ALMDEBUG
- printf("ALM DAY_REG <-- %02x\n", value);
-#endif
- s->alarm_tm.tm_mday = omap_rtc_bin(value);
- omap_rtc_alarm_update(s);
- return;
-
- case 0x30: /* ALARM_MONTHS_REG */
-#if ALMDEBUG
- printf("ALM MON_REG <-- %02x\n", value);
-#endif
- s->alarm_tm.tm_mon = omap_rtc_bin(value);
- omap_rtc_alarm_update(s);
- return;
-
- case 0x34: /* ALARM_YEARS_REG */
-#if ALMDEBUG
- printf("ALM YRS_REG <-- %02x\n", value);
-#endif
- s->alarm_tm.tm_year = omap_rtc_bin(value);
- omap_rtc_alarm_update(s);
- return;
-
- case 0x40: /* RTC_CTRL_REG */
-#if ALMDEBUG
- printf("RTC CONTROL <-- %02x\n", value);
-#endif
- s->pm_am = (value >> 3) & 1;
- s->auto_comp = (value >> 2) & 1;
- s->round = (value >> 1) & 1;
- s->running = value & 1;
- s->status &= 0xfd;
- s->status |= s->running << 1;
- return;
-
- case 0x44: /* RTC_STATUS_REG */
-#if ALMDEBUG
- printf("RTC STATUSL <-- %02x\n", value);
-#endif
- s->status &= ~((value & 0xc0) ^ 0x80);
- omap_rtc_interrupts_update(s);
- return;
-
- case 0x48: /* RTC_INTERRUPTS_REG */
-#if ALMDEBUG
- printf("RTC INTRS <-- %02x\n", value);
-#endif
- s->interrupts = value;
- return;
-
- case 0x4c: /* RTC_COMP_LSB_REG */
-#if ALMDEBUG
- printf("RTC COMPLSB <-- %02x\n", value);
-#endif
- s->comp_reg &= 0xff00;
- s->comp_reg |= 0x00ff & value;
- return;
-
- case 0x50: /* RTC_COMP_MSB_REG */
-#if ALMDEBUG
- printf("RTC COMPMSB <-- %02x\n", value);
-#endif
- s->comp_reg &= 0x00ff;
- s->comp_reg |= 0xff00 & (value << 8);
- return;
-
- default:
- OMAP_BAD_REG(addr);
- return;
- }
-}
-
-static CPUReadMemoryFunc *omap_rtc_readfn[] = {
- omap_rtc_read,
- omap_badwidth_read8,
- omap_badwidth_read8,
-};
-
-static CPUWriteMemoryFunc *omap_rtc_writefn[] = {
- omap_rtc_write,
- omap_badwidth_write8,
- omap_badwidth_write8,
-};
-
-static void omap_rtc_tick(void *opaque)
-{
- struct omap_rtc_s *s = opaque;
-
- if (s->round) {
- /* Round to nearest full minute. */
- if (s->current_tm.tm_sec < 30)
- s->ti -= s->current_tm.tm_sec;
- else
- s->ti += 60 - s->current_tm.tm_sec;
-
- s->round = 0;
- }
-
- memcpy(&s->current_tm, localtime(&s->ti), sizeof(s->current_tm));
-
- if ((s->interrupts & 0x08) && s->ti == s->alarm_ti) {
- s->status |= 0x40;
- omap_rtc_interrupts_update(s);
- }
-
- if (s->interrupts & 0x04)
- switch (s->interrupts & 3) {
- case 0:
- s->status |= 0x04;
- qemu_irq_pulse(s->irq);
- break;
- case 1:
- if (s->current_tm.tm_sec)
- break;
- s->status |= 0x08;
- qemu_irq_pulse(s->irq);
- break;
- case 2:
- if (s->current_tm.tm_sec || s->current_tm.tm_min)
- break;
- s->status |= 0x10;
- qemu_irq_pulse(s->irq);
- break;
- case 3:
- if (s->current_tm.tm_sec ||
- s->current_tm.tm_min || s->current_tm.tm_hour)
- break;
- s->status |= 0x20;
- qemu_irq_pulse(s->irq);
- break;
- }
-
- /* Move on */
- if (s->running)
- s->ti ++;
- s->tick += 1000;
-
- /*
- * Every full hour add a rough approximation of the compensation
- * register to the 32kHz Timer (which drives the RTC) value.
- */
- if (s->auto_comp && !s->current_tm.tm_sec && !s->current_tm.tm_min)
- s->tick += s->comp_reg * 1000 / 32768;
-
- qemu_mod_timer(s->clk, s->tick);
-}
-
-static void omap_rtc_reset(struct omap_rtc_s *s)
-{
- struct tm tm;
-
- s->interrupts = 0;
- s->comp_reg = 0;
- s->running = 0;
- s->pm_am = 0;
- s->auto_comp = 0;
- s->round = 0;
- s->tick = qemu_get_clock(rt_clock);
- memset(&s->alarm_tm, 0, sizeof(s->alarm_tm));
- s->alarm_tm.tm_mday = 0x01;
- s->status = 1 << 7;
- qemu_get_timedate(&tm, 0);
- s->ti = mktime(&tm);
-
- omap_rtc_alarm_update(s);
- omap_rtc_tick(s);
-}
-
-struct omap_rtc_s *omap_rtc_init(target_phys_addr_t base,
- qemu_irq *irq, omap_clk clk)
-{
- int iomemtype;
- struct omap_rtc_s *s = (struct omap_rtc_s *)
- qemu_mallocz(sizeof(struct omap_rtc_s));
-
- s->base = base;
- s->irq = irq[0];
- s->alarm = irq[1];
- s->clk = qemu_new_timer(rt_clock, omap_rtc_tick, s);
-
- omap_rtc_reset(s);
-
- iomemtype = cpu_register_io_memory(0, omap_rtc_readfn,
- omap_rtc_writefn, s);
- cpu_register_physical_memory(s->base, 0x800, iomemtype);
-
- return s;
-}
-
-/* Multi-channel Buffered Serial Port interfaces */
-struct omap_mcbsp_s {
- target_phys_addr_t base;
- qemu_irq txirq;
- qemu_irq rxirq;
- qemu_irq txdrq;
- qemu_irq rxdrq;
-
- uint16_t spcr[2];
- uint16_t rcr[2];
- uint16_t xcr[2];
- uint16_t srgr[2];
- uint16_t mcr[2];
- uint16_t pcr;
- uint16_t rcer[8];
- uint16_t xcer[8];
- int tx_rate;
- int rx_rate;
- int tx_req;
- int rx_req;
-
- struct i2s_codec_s *codec;
- QEMUTimer *source_timer;
- QEMUTimer *sink_timer;
-};
-
-static void omap_mcbsp_intr_update(struct omap_mcbsp_s *s)
-{
- int irq;
-
- switch ((s->spcr[0] >> 4) & 3) { /* RINTM */
- case 0:
- irq = (s->spcr[0] >> 1) & 1; /* RRDY */
- break;
- case 3:
- irq = (s->spcr[0] >> 3) & 1; /* RSYNCERR */
- break;
- default:
- irq = 0;
- break;
- }
-
- if (irq)
- qemu_irq_pulse(s->rxirq);
-
- switch ((s->spcr[1] >> 4) & 3) { /* XINTM */
- case 0:
- irq = (s->spcr[1] >> 1) & 1; /* XRDY */
- break;
- case 3:
- irq = (s->spcr[1] >> 3) & 1; /* XSYNCERR */
- break;
- default:
- irq = 0;
- break;
- }
-
- if (irq)
- qemu_irq_pulse(s->txirq);
-}
-
-static void omap_mcbsp_rx_newdata(struct omap_mcbsp_s *s)
-{
- if ((s->spcr[0] >> 1) & 1) /* RRDY */
- s->spcr[0] |= 1 << 2; /* RFULL */
- s->spcr[0] |= 1 << 1; /* RRDY */
- qemu_irq_raise(s->rxdrq);
- omap_mcbsp_intr_update(s);
-}
-
-static void omap_mcbsp_source_tick(void *opaque)
-{
- struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
- static const int bps[8] = { 0, 1, 1, 2, 2, 2, -255, -255 };
-
- if (!s->rx_rate)
- return;
- if (s->rx_req)
- printf("%s: Rx FIFO overrun\n", __FUNCTION__);
-
- s->rx_req = s->rx_rate << bps[(s->rcr[0] >> 5) & 7];
-
- omap_mcbsp_rx_newdata(s);
- qemu_mod_timer(s->source_timer, qemu_get_clock(vm_clock) + ticks_per_sec);
-}
-
-static void omap_mcbsp_rx_start(struct omap_mcbsp_s *s)
-{
- if (!s->codec || !s->codec->rts)
- omap_mcbsp_source_tick(s);
- else if (s->codec->in.len) {
- s->rx_req = s->codec->in.len;
- omap_mcbsp_rx_newdata(s);
- }
-}
-
-static void omap_mcbsp_rx_stop(struct omap_mcbsp_s *s)
-{
- qemu_del_timer(s->source_timer);
-}
-
-static void omap_mcbsp_rx_done(struct omap_mcbsp_s *s)
-{
- s->spcr[0] &= ~(1 << 1); /* RRDY */
- qemu_irq_lower(s->rxdrq);
- omap_mcbsp_intr_update(s);
-}
-
-static void omap_mcbsp_tx_newdata(struct omap_mcbsp_s *s)
-{
- s->spcr[1] |= 1 << 1; /* XRDY */
- qemu_irq_raise(s->txdrq);
- omap_mcbsp_intr_update(s);
-}
-
-static void omap_mcbsp_sink_tick(void *opaque)
-{
- struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
- static const int bps[8] = { 0, 1, 1, 2, 2, 2, -255, -255 };
-
- if (!s->tx_rate)
- return;
- if (s->tx_req)
- printf("%s: Tx FIFO underrun\n", __FUNCTION__);
-
- s->tx_req = s->tx_rate << bps[(s->xcr[0] >> 5) & 7];
-
- omap_mcbsp_tx_newdata(s);
- qemu_mod_timer(s->sink_timer, qemu_get_clock(vm_clock) + ticks_per_sec);
-}
-
-static void omap_mcbsp_tx_start(struct omap_mcbsp_s *s)
-{
- if (!s->codec || !s->codec->cts)
- omap_mcbsp_sink_tick(s);
- else if (s->codec->out.size) {
- s->tx_req = s->codec->out.size;
- omap_mcbsp_tx_newdata(s);
- }
-}
-
-static void omap_mcbsp_tx_done(struct omap_mcbsp_s *s)
-{
- s->spcr[1] &= ~(1 << 1); /* XRDY */
- qemu_irq_lower(s->txdrq);
- omap_mcbsp_intr_update(s);
- if (s->codec && s->codec->cts)
- s->codec->tx_swallow(s->codec->opaque);
-}
-
-static void omap_mcbsp_tx_stop(struct omap_mcbsp_s *s)
-{
- s->tx_req = 0;
- omap_mcbsp_tx_done(s);
- qemu_del_timer(s->sink_timer);
-}
-
-static void omap_mcbsp_req_update(struct omap_mcbsp_s *s)
-{
- int prev_rx_rate, prev_tx_rate;
- int rx_rate = 0, tx_rate = 0;
- int cpu_rate = 1500000; /* XXX */
-
- /* TODO: check CLKSTP bit */
- if (s->spcr[1] & (1 << 6)) { /* GRST */
- if (s->spcr[0] & (1 << 0)) { /* RRST */
- if ((s->srgr[1] & (1 << 13)) && /* CLKSM */
- (s->pcr & (1 << 8))) { /* CLKRM */
- if (~s->pcr & (1 << 7)) /* SCLKME */
- rx_rate = cpu_rate /
- ((s->srgr[0] & 0xff) + 1); /* CLKGDV */
- } else
- if (s->codec)
- rx_rate = s->codec->rx_rate;
- }
-
- if (s->spcr[1] & (1 << 0)) { /* XRST */
- if ((s->srgr[1] & (1 << 13)) && /* CLKSM */
- (s->pcr & (1 << 9))) { /* CLKXM */
- if (~s->pcr & (1 << 7)) /* SCLKME */
- tx_rate = cpu_rate /
- ((s->srgr[0] & 0xff) + 1); /* CLKGDV */
- } else
- if (s->codec)
- tx_rate = s->codec->tx_rate;
- }
- }
- prev_tx_rate = s->tx_rate;
- prev_rx_rate = s->rx_rate;
- s->tx_rate = tx_rate;
- s->rx_rate = rx_rate;
-
- if (s->codec)
- s->codec->set_rate(s->codec->opaque, rx_rate, tx_rate);
-
- if (!prev_tx_rate && tx_rate)
- omap_mcbsp_tx_start(s);
- else if (s->tx_rate && !tx_rate)
- omap_mcbsp_tx_stop(s);
-
- if (!prev_rx_rate && rx_rate)
- omap_mcbsp_rx_start(s);
- else if (prev_tx_rate && !tx_rate)
- omap_mcbsp_rx_stop(s);
-}
-
-static uint32_t omap_mcbsp_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
- uint16_t ret;
-
- switch (offset) {
- case 0x00: /* DRR2 */
- if (((s->rcr[0] >> 5) & 7) < 3) /* RWDLEN1 */
- return 0x0000;
- /* Fall through. */
- case 0x02: /* DRR1 */
- if (s->rx_req < 2) {
- printf("%s: Rx FIFO underrun\n", __FUNCTION__);
- omap_mcbsp_rx_done(s);
- } else {
- s->tx_req -= 2;
- if (s->codec && s->codec->in.len >= 2) {
- ret = s->codec->in.fifo[s->codec->in.start ++] << 8;
- ret |= s->codec->in.fifo[s->codec->in.start ++];
- s->codec->in.len -= 2;
- } else
- ret = 0x0000;
- if (!s->tx_req)
- omap_mcbsp_rx_done(s);
- return ret;
- }
- return 0x0000;
-
- case 0x04: /* DXR2 */
- case 0x06: /* DXR1 */
- return 0x0000;
-
- case 0x08: /* SPCR2 */
- return s->spcr[1];
- case 0x0a: /* SPCR1 */
- return s->spcr[0];
- case 0x0c: /* RCR2 */
- return s->rcr[1];
- case 0x0e: /* RCR1 */
- return s->rcr[0];
- case 0x10: /* XCR2 */
- return s->xcr[1];
- case 0x12: /* XCR1 */
- return s->xcr[0];
- case 0x14: /* SRGR2 */
- return s->srgr[1];
- case 0x16: /* SRGR1 */
- return s->srgr[0];
- case 0x18: /* MCR2 */
- return s->mcr[1];
- case 0x1a: /* MCR1 */
- return s->mcr[0];
- case 0x1c: /* RCERA */
- return s->rcer[0];
- case 0x1e: /* RCERB */
- return s->rcer[1];
- case 0x20: /* XCERA */
- return s->xcer[0];
- case 0x22: /* XCERB */
- return s->xcer[1];
- case 0x24: /* PCR0 */
- return s->pcr;
- case 0x26: /* RCERC */
- return s->rcer[2];
- case 0x28: /* RCERD */
- return s->rcer[3];
- case 0x2a: /* XCERC */
- return s->xcer[2];
- case 0x2c: /* XCERD */
- return s->xcer[3];
- case 0x2e: /* RCERE */
- return s->rcer[4];
- case 0x30: /* RCERF */
- return s->rcer[5];
- case 0x32: /* XCERE */
- return s->xcer[4];
- case 0x34: /* XCERF */
- return s->xcer[5];
- case 0x36: /* RCERG */
- return s->rcer[6];
- case 0x38: /* RCERH */
- return s->rcer[7];
- case 0x3a: /* XCERG */
- return s->xcer[6];
- case 0x3c: /* XCERH */
- return s->xcer[7];
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_mcbsp_writeh(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
-
- switch (offset) {
- case 0x00: /* DRR2 */
- case 0x02: /* DRR1 */
- OMAP_RO_REG(addr);
- return;
-
- case 0x04: /* DXR2 */
- if (((s->xcr[0] >> 5) & 7) < 3) /* XWDLEN1 */
- return;
- /* Fall through. */
- case 0x06: /* DXR1 */
- if (s->tx_req > 1) {
- s->tx_req -= 2;
- if (s->codec && s->codec->cts) {
- s->codec->out.fifo[s->codec->out.len ++] = (value >> 8) & 0xff;
- s->codec->out.fifo[s->codec->out.len ++] = (value >> 0) & 0xff;
- }
- if (s->tx_req < 2)
- omap_mcbsp_tx_done(s);
- } else
- printf("%s: Tx FIFO overrun\n", __FUNCTION__);
- return;
-
- case 0x08: /* SPCR2 */
- s->spcr[1] &= 0x0002;
- s->spcr[1] |= 0x03f9 & value;
- s->spcr[1] |= 0x0004 & (value << 2); /* XEMPTY := XRST */
- if (~value & 1) /* XRST */
- s->spcr[1] &= ~6;
- omap_mcbsp_req_update(s);
- return;
- case 0x0a: /* SPCR1 */
- s->spcr[0] &= 0x0006;
- s->spcr[0] |= 0xf8f9 & value;
- if (value & (1 << 15)) /* DLB */
- printf("%s: Digital Loopback mode enable attempt\n", __FUNCTION__);
- if (~value & 1) { /* RRST */
- s->spcr[0] &= ~6;
- s->rx_req = 0;
- omap_mcbsp_rx_done(s);
- }
- omap_mcbsp_req_update(s);
- return;
-
- case 0x0c: /* RCR2 */
- s->rcr[1] = value & 0xffff;
- return;
- case 0x0e: /* RCR1 */
- s->rcr[0] = value & 0x7fe0;
- return;
- case 0x10: /* XCR2 */
- s->xcr[1] = value & 0xffff;
- return;
- case 0x12: /* XCR1 */
- s->xcr[0] = value & 0x7fe0;
- return;
- case 0x14: /* SRGR2 */
- s->srgr[1] = value & 0xffff;
- omap_mcbsp_req_update(s);
- return;
- case 0x16: /* SRGR1 */
- s->srgr[0] = value & 0xffff;
- omap_mcbsp_req_update(s);
- return;
- case 0x18: /* MCR2 */
- s->mcr[1] = value & 0x03e3;
- if (value & 3) /* XMCM */
- printf("%s: Tx channel selection mode enable attempt\n",
- __FUNCTION__);
- return;
- case 0x1a: /* MCR1 */
- s->mcr[0] = value & 0x03e1;
- if (value & 1) /* RMCM */
- printf("%s: Rx channel selection mode enable attempt\n",
- __FUNCTION__);
- return;
- case 0x1c: /* RCERA */
- s->rcer[0] = value & 0xffff;
- return;
- case 0x1e: /* RCERB */
- s->rcer[1] = value & 0xffff;
- return;
- case 0x20: /* XCERA */
- s->xcer[0] = value & 0xffff;
- return;
- case 0x22: /* XCERB */
- s->xcer[1] = value & 0xffff;
- return;
- case 0x24: /* PCR0 */
- s->pcr = value & 0x7faf;
- return;
- case 0x26: /* RCERC */
- s->rcer[2] = value & 0xffff;
- return;
- case 0x28: /* RCERD */
- s->rcer[3] = value & 0xffff;
- return;
- case 0x2a: /* XCERC */
- s->xcer[2] = value & 0xffff;
- return;
- case 0x2c: /* XCERD */
- s->xcer[3] = value & 0xffff;
- return;
- case 0x2e: /* RCERE */
- s->rcer[4] = value & 0xffff;
- return;
- case 0x30: /* RCERF */
- s->rcer[5] = value & 0xffff;
- return;
- case 0x32: /* XCERE */
- s->xcer[4] = value & 0xffff;
- return;
- case 0x34: /* XCERF */
- s->xcer[5] = value & 0xffff;
- return;
- case 0x36: /* RCERG */
- s->rcer[6] = value & 0xffff;
- return;
- case 0x38: /* RCERH */
- s->rcer[7] = value & 0xffff;
- return;
- case 0x3a: /* XCERG */
- s->xcer[6] = value & 0xffff;
- return;
- case 0x3c: /* XCERH */
- s->xcer[7] = value & 0xffff;
- return;
- }
-
- OMAP_BAD_REG(addr);
-}
-
-static void omap_mcbsp_writew(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
-
- if (offset == 0x04) { /* DXR */
- if (((s->xcr[0] >> 5) & 7) < 3) /* XWDLEN1 */
- return;
- if (s->tx_req > 3) {
- s->tx_req -= 4;
- if (s->codec && s->codec->cts) {
- s->codec->out.fifo[s->codec->out.len ++] =
- (value >> 24) & 0xff;
- s->codec->out.fifo[s->codec->out.len ++] =
- (value >> 16) & 0xff;
- s->codec->out.fifo[s->codec->out.len ++] =
- (value >> 8) & 0xff;
- s->codec->out.fifo[s->codec->out.len ++] =
- (value >> 0) & 0xff;
- }
- if (s->tx_req < 4)
- omap_mcbsp_tx_done(s);
- } else
- printf("%s: Tx FIFO overrun\n", __FUNCTION__);
- return;
- }
-
- omap_badwidth_write16(opaque, addr, value);
-}
-
-static CPUReadMemoryFunc *omap_mcbsp_readfn[] = {
- omap_badwidth_read16,
- omap_mcbsp_read,
- omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc *omap_mcbsp_writefn[] = {
- omap_badwidth_write16,
- omap_mcbsp_writeh,
- omap_mcbsp_writew,
-};
-
-static void omap_mcbsp_reset(struct omap_mcbsp_s *s)
-{
- memset(&s->spcr, 0, sizeof(s->spcr));
- memset(&s->rcr, 0, sizeof(s->rcr));
- memset(&s->xcr, 0, sizeof(s->xcr));
- s->srgr[0] = 0x0001;
- s->srgr[1] = 0x2000;
- memset(&s->mcr, 0, sizeof(s->mcr));
- memset(&s->pcr, 0, sizeof(s->pcr));
- memset(&s->rcer, 0, sizeof(s->rcer));
- memset(&s->xcer, 0, sizeof(s->xcer));
- s->tx_req = 0;
- s->rx_req = 0;
- s->tx_rate = 0;
- s->rx_rate = 0;
- qemu_del_timer(s->source_timer);
- qemu_del_timer(s->sink_timer);
-}
-
-struct omap_mcbsp_s *omap_mcbsp_init(target_phys_addr_t base,
- qemu_irq *irq, qemu_irq *dma, omap_clk clk)
-{
- int iomemtype;
- struct omap_mcbsp_s *s = (struct omap_mcbsp_s *)
- qemu_mallocz(sizeof(struct omap_mcbsp_s));
-
- s->base = base;
- s->txirq = irq[0];
- s->rxirq = irq[1];
- s->txdrq = dma[0];
- s->rxdrq = dma[1];
- s->sink_timer = qemu_new_timer(vm_clock, omap_mcbsp_sink_tick, s);
- s->source_timer = qemu_new_timer(vm_clock, omap_mcbsp_source_tick, s);
- omap_mcbsp_reset(s);
-
- iomemtype = cpu_register_io_memory(0, omap_mcbsp_readfn,
- omap_mcbsp_writefn, s);
- cpu_register_physical_memory(s->base, 0x800, iomemtype);
-
- return s;
-}
-
-static void omap_mcbsp_i2s_swallow(void *opaque, int line, int level)
-{
- struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
-
- if (s->rx_rate) {
- s->rx_req = s->codec->in.len;
- omap_mcbsp_rx_newdata(s);
- }
-}
-
-static void omap_mcbsp_i2s_start(void *opaque, int line, int level)
-{
- struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
-
- if (s->tx_rate) {
- s->tx_req = s->codec->out.size;
- omap_mcbsp_tx_newdata(s);
- }
-}
-
-void omap_mcbsp_i2s_attach(struct omap_mcbsp_s *s, struct i2s_codec_s *slave)
-{
- s->codec = slave;
- slave->rx_swallow = qemu_allocate_irqs(omap_mcbsp_i2s_swallow, s, 1)[0];
- slave->tx_start = qemu_allocate_irqs(omap_mcbsp_i2s_start, s, 1)[0];
-}
-
-/* LED Pulse Generators */
-struct omap_lpg_s {
- target_phys_addr_t base;
- QEMUTimer *tm;
-
- uint8_t control;
- uint8_t power;
- int64_t on;
- int64_t period;
- int clk;
- int cycle;
-};
-
-static void omap_lpg_tick(void *opaque)
-{
- struct omap_lpg_s *s = opaque;
-
- if (s->cycle)
- qemu_mod_timer(s->tm, qemu_get_clock(rt_clock) + s->period - s->on);
- else
- qemu_mod_timer(s->tm, qemu_get_clock(rt_clock) + s->on);
-
- s->cycle = !s->cycle;
- printf("%s: LED is %s\n", __FUNCTION__, s->cycle ? "on" : "off");
-}
-
-static void omap_lpg_update(struct omap_lpg_s *s)
-{
- int64_t on, period = 1, ticks = 1000;
- static const int per[8] = { 1, 2, 4, 8, 12, 16, 20, 24 };
-
- if (~s->control & (1 << 6)) /* LPGRES */
- on = 0;
- else if (s->control & (1 << 7)) /* PERM_ON */
- on = period;
- else {
- period = muldiv64(ticks, per[s->control & 7], /* PERCTRL */
- 256 / 32);
- on = (s->clk && s->power) ? muldiv64(ticks,
- per[(s->control >> 3) & 7], 256) : 0; /* ONCTRL */
- }
-
- qemu_del_timer(s->tm);
- if (on == period && s->on < s->period)
- printf("%s: LED is on\n", __FUNCTION__);
- else if (on == 0 && s->on)
- printf("%s: LED is off\n", __FUNCTION__);
- else if (on && (on != s->on || period != s->period)) {
- s->cycle = 0;
- s->on = on;
- s->period = period;
- omap_lpg_tick(s);
- return;
- }
-
- s->on = on;
- s->period = period;
-}
-
-static void omap_lpg_reset(struct omap_lpg_s *s)
-{
- s->control = 0x00;
- s->power = 0x00;
- s->clk = 1;
- omap_lpg_update(s);
-}
-
-static uint32_t omap_lpg_read(void *opaque, target_phys_addr_t addr)
-{
- struct omap_lpg_s *s = (struct omap_lpg_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
-
- switch (offset) {
- case 0x00: /* LCR */
- return s->control;
-
- case 0x04: /* PMR */
- return s->power;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_lpg_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_lpg_s *s = (struct omap_lpg_s *) opaque;
- int offset = addr & OMAP_MPUI_REG_MASK;
-
- switch (offset) {
- case 0x00: /* LCR */
- if (~value & (1 << 6)) /* LPGRES */
- omap_lpg_reset(s);
- s->control = value & 0xff;
- omap_lpg_update(s);
- return;
-
- case 0x04: /* PMR */
- s->power = value & 0x01;
- omap_lpg_update(s);
- return;
-
- default:
- OMAP_BAD_REG(addr);
- return;
- }
-}
-
-static CPUReadMemoryFunc *omap_lpg_readfn[] = {
- omap_lpg_read,
- omap_badwidth_read8,
- omap_badwidth_read8,
-};
-
-static CPUWriteMemoryFunc *omap_lpg_writefn[] = {
- omap_lpg_write,
- omap_badwidth_write8,
- omap_badwidth_write8,
-};
-
-static void omap_lpg_clk_update(void *opaque, int line, int on)
-{
- struct omap_lpg_s *s = (struct omap_lpg_s *) opaque;
-
- s->clk = on;
- omap_lpg_update(s);
-}
-
-struct omap_lpg_s *omap_lpg_init(target_phys_addr_t base, omap_clk clk)
-{
- int iomemtype;
- struct omap_lpg_s *s = (struct omap_lpg_s *)
- qemu_mallocz(sizeof(struct omap_lpg_s));
-
- s->base = base;
- s->tm = qemu_new_timer(rt_clock, omap_lpg_tick, s);
-
- omap_lpg_reset(s);
-
- iomemtype = cpu_register_io_memory(0, omap_lpg_readfn,
- omap_lpg_writefn, s);
- cpu_register_physical_memory(s->base, 0x800, iomemtype);
-
- omap_clk_adduser(clk, qemu_allocate_irqs(omap_lpg_clk_update, s, 1)[0]);
-
- return s;
-}
-
-/* MPUI Peripheral Bridge configuration */
-static uint32_t omap_mpui_io_read(void *opaque, target_phys_addr_t addr)
-{
- if (addr == OMAP_MPUI_BASE) /* CMR */
- return 0xfe4d;
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static CPUReadMemoryFunc *omap_mpui_io_readfn[] = {
- omap_badwidth_read16,
- omap_mpui_io_read,
- omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc *omap_mpui_io_writefn[] = {
- omap_badwidth_write16,
- omap_badwidth_write16,
- omap_badwidth_write16,
-};
-
-static void omap_setup_mpui_io(struct omap_mpu_state_s *mpu)
-{
- int iomemtype = cpu_register_io_memory(0, omap_mpui_io_readfn,
- omap_mpui_io_writefn, mpu);
- cpu_register_physical_memory(OMAP_MPUI_BASE, 0x7fff, iomemtype);
-}
-
-/* General chip reset */
-static void omap_mpu_reset(void *opaque)
-{
- struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque;
-
- omap_inth_reset(mpu->ih[0]);
- omap_inth_reset(mpu->ih[1]);
- omap_dma_reset(mpu->dma);
- omap_mpu_timer_reset(mpu->timer[0]);
- omap_mpu_timer_reset(mpu->timer[1]);
- omap_mpu_timer_reset(mpu->timer[2]);
- omap_wd_timer_reset(mpu->wdt);
- omap_os_timer_reset(mpu->os_timer);
- omap_lcdc_reset(mpu->lcd);
- omap_ulpd_pm_reset(mpu);
- omap_pin_cfg_reset(mpu);
- omap_mpui_reset(mpu);
- omap_tipb_bridge_reset(mpu->private_tipb);
- omap_tipb_bridge_reset(mpu->public_tipb);
- omap_dpll_reset(&mpu->dpll[0]);
- omap_dpll_reset(&mpu->dpll[1]);
- omap_dpll_reset(&mpu->dpll[2]);
- omap_uart_reset(mpu->uart[0]);
- omap_uart_reset(mpu->uart[1]);
- omap_uart_reset(mpu->uart[2]);
- omap_mmc_reset(mpu->mmc);
- omap_mpuio_reset(mpu->mpuio);
- omap_gpio_reset(mpu->gpio);
- omap_uwire_reset(mpu->microwire);
- omap_pwl_reset(mpu);
- omap_pwt_reset(mpu);
- omap_i2c_reset(mpu->i2c);
- omap_rtc_reset(mpu->rtc);
- omap_mcbsp_reset(mpu->mcbsp1);
- omap_mcbsp_reset(mpu->mcbsp2);
- omap_mcbsp_reset(mpu->mcbsp3);
- omap_lpg_reset(mpu->led[0]);
- omap_lpg_reset(mpu->led[1]);
- omap_clkm_reset(mpu);
- cpu_reset(mpu->env);
-}
-
-static const struct omap_map_s {
- target_phys_addr_t phys_dsp;
- target_phys_addr_t phys_mpu;
- uint32_t size;
- const char *name;
-} omap15xx_dsp_mm[] = {
- /* Strobe 0 */
- { 0xe1010000, 0xfffb0000, 0x800, "UART1 BT" }, /* CS0 */
- { 0xe1010800, 0xfffb0800, 0x800, "UART2 COM" }, /* CS1 */
- { 0xe1011800, 0xfffb1800, 0x800, "McBSP1 audio" }, /* CS3 */
- { 0xe1012000, 0xfffb2000, 0x800, "MCSI2 communication" }, /* CS4 */
- { 0xe1012800, 0xfffb2800, 0x800, "MCSI1 BT u-Law" }, /* CS5 */
- { 0xe1013000, 0xfffb3000, 0x800, "uWire" }, /* CS6 */
- { 0xe1013800, 0xfffb3800, 0x800, "I^2C" }, /* CS7 */
- { 0xe1014000, 0xfffb4000, 0x800, "USB W2FC" }, /* CS8 */
- { 0xe1014800, 0xfffb4800, 0x800, "RTC" }, /* CS9 */
- { 0xe1015000, 0xfffb5000, 0x800, "MPUIO" }, /* CS10 */
- { 0xe1015800, 0xfffb5800, 0x800, "PWL" }, /* CS11 */
- { 0xe1016000, 0xfffb6000, 0x800, "PWT" }, /* CS12 */
- { 0xe1017000, 0xfffb7000, 0x800, "McBSP3" }, /* CS14 */
- { 0xe1017800, 0xfffb7800, 0x800, "MMC" }, /* CS15 */
- { 0xe1019000, 0xfffb9000, 0x800, "32-kHz timer" }, /* CS18 */
- { 0xe1019800, 0xfffb9800, 0x800, "UART3" }, /* CS19 */
- { 0xe101c800, 0xfffbc800, 0x800, "TIPB switches" }, /* CS25 */
- /* Strobe 1 */
- { 0xe101e000, 0xfffce000, 0x800, "GPIOs" }, /* CS28 */
-
- { 0 }
-};
-
-static void omap_setup_dsp_mapping(const struct omap_map_s *map)
-{
- int io;
-
- for (; map->phys_dsp; map ++) {
- io = cpu_get_physical_page_desc(map->phys_mpu);
-
- cpu_register_physical_memory(map->phys_dsp, map->size, io);
- }
-}
-
-static void omap_mpu_wakeup(void *opaque, int irq, int req)
-{
- struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque;
-
- if (mpu->env->halted)
- cpu_interrupt(mpu->env, CPU_INTERRUPT_EXITTB);
-}
-
-struct dma_irq_map {
- int ih;
- int intr;
-};
-
-static const struct dma_irq_map omap_dma_irq_map[] = {
- { 0, OMAP_INT_DMA_CH0_6 },
- { 0, OMAP_INT_DMA_CH1_7 },
- { 0, OMAP_INT_DMA_CH2_8 },
- { 0, OMAP_INT_DMA_CH3 },
- { 0, OMAP_INT_DMA_CH4 },
- { 0, OMAP_INT_DMA_CH5 },
- { 1, OMAP_INT_1610_DMA_CH6 },
- { 1, OMAP_INT_1610_DMA_CH7 },
- { 1, OMAP_INT_1610_DMA_CH8 },
- { 1, OMAP_INT_1610_DMA_CH9 },
- { 1, OMAP_INT_1610_DMA_CH10 },
- { 1, OMAP_INT_1610_DMA_CH11 },
- { 1, OMAP_INT_1610_DMA_CH12 },
- { 1, OMAP_INT_1610_DMA_CH13 },
- { 1, OMAP_INT_1610_DMA_CH14 },
- { 1, OMAP_INT_1610_DMA_CH15 }
-};
-
-struct omap_mpu_state_s *omap310_mpu_init(unsigned long sdram_size,
- DisplayState *ds, const char *core)
-{
- int i;
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *)
- qemu_mallocz(sizeof(struct omap_mpu_state_s));
- ram_addr_t imif_base, emiff_base;
- qemu_irq *cpu_irq;
- qemu_irq dma_irqs[6];
- int sdindex;
-
- if (!core)
- core = "ti925t";
-
- /* Core */
- s->mpu_model = omap310;
- s->env = cpu_init(core);
- if (!s->env) {
- fprintf(stderr, "Unable to find CPU definition\n");
- exit(1);
- }
- s->sdram_size = sdram_size;
- s->sram_size = OMAP15XX_SRAM_SIZE;
-
- s->wakeup = qemu_allocate_irqs(omap_mpu_wakeup, s, 1)[0];
-
- /* Clocks */
- omap_clk_init(s);
-
- /* Memory-mapped stuff */
- cpu_register_physical_memory(OMAP_EMIFF_BASE, s->sdram_size,
- (emiff_base = qemu_ram_alloc(s->sdram_size)) | IO_MEM_RAM);
- cpu_register_physical_memory(OMAP_IMIF_BASE, s->sram_size,
- (imif_base = qemu_ram_alloc(s->sram_size)) | IO_MEM_RAM);
-
- omap_clkm_init(0xfffece00, 0xe1008000, s);
-
- cpu_irq = arm_pic_init_cpu(s->env);
- s->ih[0] = omap_inth_init(0xfffecb00, 0x100, 1,
- cpu_irq[ARM_PIC_CPU_IRQ], cpu_irq[ARM_PIC_CPU_FIQ],
- omap_findclk(s, "arminth_ck"));
- s->ih[1] = omap_inth_init(0xfffe0000, 0x800, 1,
- s->ih[0]->pins[OMAP_INT_15XX_IH2_IRQ], NULL,
- omap_findclk(s, "arminth_ck"));
- s->irq[0] = s->ih[0]->pins;
- s->irq[1] = s->ih[1]->pins;
-
- for (i = 0; i < 6; i ++)
- dma_irqs[i] = s->irq[omap_dma_irq_map[i].ih][omap_dma_irq_map[i].intr];
- s->dma = omap_dma_init(0xfffed800, dma_irqs, s->irq[0][OMAP_INT_DMA_LCD],
- s, omap_findclk(s, "dma_ck"), omap_dma_3_1);
-
- s->port[emiff ].addr_valid = omap_validate_emiff_addr;
- s->port[emifs ].addr_valid = omap_validate_emifs_addr;
- s->port[imif ].addr_valid = omap_validate_imif_addr;
- s->port[tipb ].addr_valid = omap_validate_tipb_addr;
- s->port[local ].addr_valid = omap_validate_local_addr;
- s->port[tipb_mpui].addr_valid = omap_validate_tipb_mpui_addr;
-
- s->timer[0] = omap_mpu_timer_init(0xfffec500,
- s->irq[0][OMAP_INT_TIMER1],
- omap_findclk(s, "mputim_ck"));
- s->timer[1] = omap_mpu_timer_init(0xfffec600,
- s->irq[0][OMAP_INT_TIMER2],
- omap_findclk(s, "mputim_ck"));
- s->timer[2] = omap_mpu_timer_init(0xfffec700,
- s->irq[0][OMAP_INT_TIMER3],
- omap_findclk(s, "mputim_ck"));
-
- s->wdt = omap_wd_timer_init(0xfffec800,
- s->irq[0][OMAP_INT_WD_TIMER],
- omap_findclk(s, "armwdt_ck"));
-
- s->os_timer = omap_os_timer_init(0xfffb9000,
- s->irq[1][OMAP_INT_OS_TIMER],
- omap_findclk(s, "clk32-kHz"));
-
- s->lcd = omap_lcdc_init(0xfffec000, s->irq[0][OMAP_INT_LCD_CTRL],
- &s->dma->lcd_ch, ds, imif_base, emiff_base,
- omap_findclk(s, "lcd_ck"));
-
- omap_ulpd_pm_init(0xfffe0800, s);
- omap_pin_cfg_init(0xfffe1000, s);
- omap_id_init(s);
-
- omap_mpui_init(0xfffec900, s);
-
- s->private_tipb = omap_tipb_bridge_init(0xfffeca00,
- s->irq[0][OMAP_INT_BRIDGE_PRIV],
- omap_findclk(s, "tipb_ck"));
- s->public_tipb = omap_tipb_bridge_init(0xfffed300,
- s->irq[0][OMAP_INT_BRIDGE_PUB],
- omap_findclk(s, "tipb_ck"));
-
- omap_tcmi_init(0xfffecc00, s);
-
- s->uart[0] = omap_uart_init(0xfffb0000, s->irq[1][OMAP_INT_UART1],
- omap_findclk(s, "uart1_ck"),
- serial_hds[0]);
- s->uart[1] = omap_uart_init(0xfffb0800, s->irq[1][OMAP_INT_UART2],
- omap_findclk(s, "uart2_ck"),
- serial_hds[0] ? serial_hds[1] : 0);
- s->uart[2] = omap_uart_init(0xe1019800, s->irq[0][OMAP_INT_UART3],
- omap_findclk(s, "uart3_ck"),
- serial_hds[0] && serial_hds[1] ? serial_hds[2] : 0);
-
- omap_dpll_init(&s->dpll[0], 0xfffecf00, omap_findclk(s, "dpll1"));
- omap_dpll_init(&s->dpll[1], 0xfffed000, omap_findclk(s, "dpll2"));
- omap_dpll_init(&s->dpll[2], 0xfffed100, omap_findclk(s, "dpll3"));
-
- sdindex = drive_get_index(IF_SD, 0, 0);
- if (sdindex == -1) {
- fprintf(stderr, "qemu: missing SecureDigital device\n");
- exit(1);
- }
- s->mmc = omap_mmc_init(0xfffb7800, drives_table[sdindex].bdrv,
- s->irq[1][OMAP_INT_OQN], &s->drq[OMAP_DMA_MMC_TX],
- omap_findclk(s, "mmc_ck"));
-
- s->mpuio = omap_mpuio_init(0xfffb5000,
- s->irq[1][OMAP_INT_KEYBOARD], s->irq[1][OMAP_INT_MPUIO],
- s->wakeup, omap_findclk(s, "clk32-kHz"));
-
- s->gpio = omap_gpio_init(0xfffce000, s->irq[0][OMAP_INT_GPIO_BANK1],
- omap_findclk(s, "arm_gpio_ck"));
-
- s->microwire = omap_uwire_init(0xfffb3000, &s->irq[1][OMAP_INT_uWireTX],
- s->drq[OMAP_DMA_UWIRE_TX], omap_findclk(s, "mpuper_ck"));
-
- omap_pwl_init(0xfffb5800, s, omap_findclk(s, "armxor_ck"));
- omap_pwt_init(0xfffb6000, s, omap_findclk(s, "armxor_ck"));
-
- s->i2c = omap_i2c_init(0xfffb3800, s->irq[1][OMAP_INT_I2C],
- &s->drq[OMAP_DMA_I2C_RX], omap_findclk(s, "mpuper_ck"));
-
- s->rtc = omap_rtc_init(0xfffb4800, &s->irq[1][OMAP_INT_RTC_TIMER],
- omap_findclk(s, "clk32-kHz"));
-
- s->mcbsp1 = omap_mcbsp_init(0xfffb1800, &s->irq[1][OMAP_INT_McBSP1TX],
- &s->drq[OMAP_DMA_MCBSP1_TX], omap_findclk(s, "dspxor_ck"));
- s->mcbsp2 = omap_mcbsp_init(0xfffb1000, &s->irq[0][OMAP_INT_310_McBSP2_TX],
- &s->drq[OMAP_DMA_MCBSP2_TX], omap_findclk(s, "mpuper_ck"));
- s->mcbsp3 = omap_mcbsp_init(0xfffb7000, &s->irq[1][OMAP_INT_McBSP3TX],
- &s->drq[OMAP_DMA_MCBSP3_TX], omap_findclk(s, "dspxor_ck"));
-
- s->led[0] = omap_lpg_init(0xfffbd000, omap_findclk(s, "clk32-kHz"));
- s->led[1] = omap_lpg_init(0xfffbd800, omap_findclk(s, "clk32-kHz"));
-
- /* Register mappings not currenlty implemented:
- * MCSI2 Comm fffb2000 - fffb27ff (not mapped on OMAP310)
- * MCSI1 Bluetooth fffb2800 - fffb2fff (not mapped on OMAP310)
- * USB W2FC fffb4000 - fffb47ff
- * Camera Interface fffb6800 - fffb6fff
- * USB Host fffba000 - fffba7ff
- * FAC fffba800 - fffbafff
- * HDQ/1-Wire fffbc000 - fffbc7ff
- * TIPB switches fffbc800 - fffbcfff
- * Mailbox fffcf000 - fffcf7ff
- * Local bus IF fffec100 - fffec1ff
- * Local bus MMU fffec200 - fffec2ff
- * DSP MMU fffed200 - fffed2ff
- */
-
- omap_setup_dsp_mapping(omap15xx_dsp_mm);
- omap_setup_mpui_io(s);
-
- qemu_register_reset(omap_mpu_reset, s);
-
- return s;
-}
/*
* Texas Instruments OMAP processors.
*
- * Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org>
+ * Copyright (C) 2006-2008 Andrzej Zaborowski <balrog@zabor.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
int64_t omap_clk_getrate(omap_clk clk);
void omap_clk_reparent(omap_clk clk, omap_clk parent);
-/* omap.c */
+/* omap[123].c */
struct omap_intr_handler_s;
struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base,
unsigned long size, unsigned char nbanks,
# define OMAP_INT_243X_HS_USB_DMA 93
# define OMAP_INT_243X_CARKIT 94
+/* omap_dma.c */
enum omap_dma_model {
- omap_dma_3_1 = 0,
- omap_dma_3_2
+ omap_dma_3_0,
+ omap_dma_3_1,
+ omap_dma_3_2,
+ omap_dma_4,
};
struct omap_dma_s;
struct omap_dma_s *omap_dma_init(target_phys_addr_t base, qemu_irq *irqs,
qemu_irq lcd_irq, struct omap_mpu_state_s *mpu, omap_clk clk,
enum omap_dma_model model);
+void omap_dma_reset(struct omap_dma_s *s);
+struct dma_irq_map {
+ int ih;
+ int intr;
+};
+
+/* Only used in OMAP DMA 3.x gigacells */
enum omap_dma_port {
emiff = 0,
emifs,
double_index,
} omap_dma_addressing_t;
+/* Only used in OMAP DMA 3.x gigacells */
struct omap_dma_lcd_channel_s {
enum omap_dma_port src;
target_phys_addr_t src_f1_top;
ram_addr_t phys_framebuffer[2];
qemu_irq irq;
struct omap_mpu_state_s *mpu;
-};
+} *omap_dma_get_lcdch(struct omap_dma_s *s);
/*
* DMA request numbers for OMAP1
# define OMAP_DMA_MMC2_RX 55
# define OMAP_DMA_CRYPTO_DES_OUT 56
+/* omap[123].c */
struct omap_mpu_timer_s;
struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base,
qemu_irq irq, omap_clk clk);
--- /dev/null
+/*
+ * TI OMAP processors emulation.
+ *
+ * Copyright (C) 2006-2008 Andrzej Zaborowski <balrog@zabor.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include "hw.h"
+#include "arm-misc.h"
+#include "omap.h"
+#include "sysemu.h"
+#include "qemu-timer.h"
+/* We use pc-style serial ports. */
+#include "pc.h"
+
+/* Should signal the TCMI */
+uint32_t omap_badwidth_read8(void *opaque, target_phys_addr_t addr)
+{
+ uint8_t ret;
+
+ OMAP_8B_REG(addr);
+ cpu_physical_memory_read(addr, (void *) &ret, 1);
+ return ret;
+}
+
+void omap_badwidth_write8(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ uint8_t val8 = value;
+
+ OMAP_8B_REG(addr);
+ cpu_physical_memory_write(addr, (void *) &val8, 1);
+}
+
+uint32_t omap_badwidth_read16(void *opaque, target_phys_addr_t addr)
+{
+ uint16_t ret;
+
+ OMAP_16B_REG(addr);
+ cpu_physical_memory_read(addr, (void *) &ret, 2);
+ return ret;
+}
+
+void omap_badwidth_write16(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ uint16_t val16 = value;
+
+ OMAP_16B_REG(addr);
+ cpu_physical_memory_write(addr, (void *) &val16, 2);
+}
+
+uint32_t omap_badwidth_read32(void *opaque, target_phys_addr_t addr)
+{
+ uint32_t ret;
+
+ OMAP_32B_REG(addr);
+ cpu_physical_memory_read(addr, (void *) &ret, 4);
+ return ret;
+}
+
+void omap_badwidth_write32(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ OMAP_32B_REG(addr);
+ cpu_physical_memory_write(addr, (void *) &value, 4);
+}
+
+/* Interrupt Handlers */
+struct omap_intr_handler_bank_s {
+ uint32_t irqs;
+ uint32_t inputs;
+ uint32_t mask;
+ uint32_t fiq;
+ uint32_t sens_edge;
+ unsigned char priority[32];
+};
+
+struct omap_intr_handler_s {
+ qemu_irq *pins;
+ qemu_irq parent_intr[2];
+ target_phys_addr_t base;
+ unsigned char nbanks;
+
+ /* state */
+ uint32_t new_agr[2];
+ int sir_intr[2];
+ struct omap_intr_handler_bank_s banks[];
+};
+
+static void omap_inth_sir_update(struct omap_intr_handler_s *s, int is_fiq)
+{
+ int i, j, sir_intr, p_intr, p, f;
+ uint32_t level;
+ sir_intr = 0;
+ p_intr = 255;
+
+ /* Find the interrupt line with the highest dynamic priority.
+ * Note: 0 denotes the hightest priority.
+ * If all interrupts have the same priority, the default order is IRQ_N,
+ * IRQ_N-1,...,IRQ_0. */
+ for (j = 0; j < s->nbanks; ++j) {
+ level = s->banks[j].irqs & ~s->banks[j].mask &
+ (is_fiq ? s->banks[j].fiq : ~s->banks[j].fiq);
+ for (f = ffs(level), i = f - 1, level >>= f - 1; f; i += f,
+ level >>= f) {
+ p = s->banks[j].priority[i];
+ if (p <= p_intr) {
+ p_intr = p;
+ sir_intr = 32 * j + i;
+ }
+ f = ffs(level >> 1);
+ }
+ }
+ s->sir_intr[is_fiq] = sir_intr;
+}
+
+static inline void omap_inth_update(struct omap_intr_handler_s *s, int is_fiq)
+{
+ int i;
+ uint32_t has_intr = 0;
+
+ for (i = 0; i < s->nbanks; ++i)
+ has_intr |= s->banks[i].irqs & ~s->banks[i].mask &
+ (is_fiq ? s->banks[i].fiq : ~s->banks[i].fiq);
+
+ if (s->new_agr[is_fiq] && has_intr) {
+ s->new_agr[is_fiq] = 0;
+ omap_inth_sir_update(s, is_fiq);
+ qemu_set_irq(s->parent_intr[is_fiq], 1);
+ }
+}
+
+#define INT_FALLING_EDGE 0
+#define INT_LOW_LEVEL 1
+
+static void omap_set_intr(void *opaque, int irq, int req)
+{
+ struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque;
+ uint32_t rise;
+
+ struct omap_intr_handler_bank_s *bank = &ih->banks[irq >> 5];
+ int n = irq & 31;
+
+ if (req) {
+ rise = ~bank->irqs & (1 << n);
+ if (~bank->sens_edge & (1 << n))
+ rise &= ~bank->inputs & (1 << n);
+
+ bank->inputs |= (1 << n);
+ if (rise) {
+ bank->irqs |= rise;
+ omap_inth_update(ih, 0);
+ omap_inth_update(ih, 1);
+ }
+ } else {
+ rise = bank->sens_edge & bank->irqs & (1 << n);
+ bank->irqs &= ~rise;
+ bank->inputs &= ~(1 << n);
+ }
+}
+
+static uint32_t omap_inth_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
+ int i, offset = addr - s->base;
+ int bank_no = offset >> 8;
+ int line_no;
+ struct omap_intr_handler_bank_s *bank = &s->banks[bank_no];
+ offset &= 0xff;
+
+ switch (offset) {
+ case 0x00: /* ITR */
+ return bank->irqs;
+
+ case 0x04: /* MIR */
+ return bank->mask;
+
+ case 0x10: /* SIR_IRQ_CODE */
+ case 0x14: /* SIR_FIQ_CODE */
+ if (bank_no != 0)
+ break;
+ line_no = s->sir_intr[(offset - 0x10) >> 2];
+ bank = &s->banks[line_no >> 5];
+ i = line_no & 31;
+ if (((bank->sens_edge >> i) & 1) == INT_FALLING_EDGE)
+ bank->irqs &= ~(1 << i);
+ return line_no;
+
+ case 0x18: /* CONTROL_REG */
+ if (bank_no != 0)
+ break;
+ return 0;
+
+ case 0x1c: /* ILR0 */
+ case 0x20: /* ILR1 */
+ case 0x24: /* ILR2 */
+ case 0x28: /* ILR3 */
+ case 0x2c: /* ILR4 */
+ case 0x30: /* ILR5 */
+ case 0x34: /* ILR6 */
+ case 0x38: /* ILR7 */
+ case 0x3c: /* ILR8 */
+ case 0x40: /* ILR9 */
+ case 0x44: /* ILR10 */
+ case 0x48: /* ILR11 */
+ case 0x4c: /* ILR12 */
+ case 0x50: /* ILR13 */
+ case 0x54: /* ILR14 */
+ case 0x58: /* ILR15 */
+ case 0x5c: /* ILR16 */
+ case 0x60: /* ILR17 */
+ case 0x64: /* ILR18 */
+ case 0x68: /* ILR19 */
+ case 0x6c: /* ILR20 */
+ case 0x70: /* ILR21 */
+ case 0x74: /* ILR22 */
+ case 0x78: /* ILR23 */
+ case 0x7c: /* ILR24 */
+ case 0x80: /* ILR25 */
+ case 0x84: /* ILR26 */
+ case 0x88: /* ILR27 */
+ case 0x8c: /* ILR28 */
+ case 0x90: /* ILR29 */
+ case 0x94: /* ILR30 */
+ case 0x98: /* ILR31 */
+ i = (offset - 0x1c) >> 2;
+ return (bank->priority[i] << 2) |
+ (((bank->sens_edge >> i) & 1) << 1) |
+ ((bank->fiq >> i) & 1);
+
+ case 0x9c: /* ISR */
+ return 0x00000000;
+
+ }
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_inth_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
+ int i, offset = addr - s->base;
+ int bank_no = offset >> 8;
+ struct omap_intr_handler_bank_s *bank = &s->banks[bank_no];
+ offset &= 0xff;
+
+ switch (offset) {
+ case 0x00: /* ITR */
+ /* Important: ignore the clearing if the IRQ is level-triggered and
+ the input bit is 1 */
+ bank->irqs &= value | (bank->inputs & bank->sens_edge);
+ return;
+
+ case 0x04: /* MIR */
+ bank->mask = value;
+ omap_inth_update(s, 0);
+ omap_inth_update(s, 1);
+ return;
+
+ case 0x10: /* SIR_IRQ_CODE */
+ case 0x14: /* SIR_FIQ_CODE */
+ OMAP_RO_REG(addr);
+ break;
+
+ case 0x18: /* CONTROL_REG */
+ if (bank_no != 0)
+ break;
+ if (value & 2) {
+ qemu_set_irq(s->parent_intr[1], 0);
+ s->new_agr[1] = ~0;
+ omap_inth_update(s, 1);
+ }
+ if (value & 1) {
+ qemu_set_irq(s->parent_intr[0], 0);
+ s->new_agr[0] = ~0;
+ omap_inth_update(s, 0);
+ }
+ return;
+
+ case 0x1c: /* ILR0 */
+ case 0x20: /* ILR1 */
+ case 0x24: /* ILR2 */
+ case 0x28: /* ILR3 */
+ case 0x2c: /* ILR4 */
+ case 0x30: /* ILR5 */
+ case 0x34: /* ILR6 */
+ case 0x38: /* ILR7 */
+ case 0x3c: /* ILR8 */
+ case 0x40: /* ILR9 */
+ case 0x44: /* ILR10 */
+ case 0x48: /* ILR11 */
+ case 0x4c: /* ILR12 */
+ case 0x50: /* ILR13 */
+ case 0x54: /* ILR14 */
+ case 0x58: /* ILR15 */
+ case 0x5c: /* ILR16 */
+ case 0x60: /* ILR17 */
+ case 0x64: /* ILR18 */
+ case 0x68: /* ILR19 */
+ case 0x6c: /* ILR20 */
+ case 0x70: /* ILR21 */
+ case 0x74: /* ILR22 */
+ case 0x78: /* ILR23 */
+ case 0x7c: /* ILR24 */
+ case 0x80: /* ILR25 */
+ case 0x84: /* ILR26 */
+ case 0x88: /* ILR27 */
+ case 0x8c: /* ILR28 */
+ case 0x90: /* ILR29 */
+ case 0x94: /* ILR30 */
+ case 0x98: /* ILR31 */
+ i = (offset - 0x1c) >> 2;
+ bank->priority[i] = (value >> 2) & 0x1f;
+ bank->sens_edge &= ~(1 << i);
+ bank->sens_edge |= ((value >> 1) & 1) << i;
+ bank->fiq &= ~(1 << i);
+ bank->fiq |= (value & 1) << i;
+ return;
+
+ case 0x9c: /* ISR */
+ for (i = 0; i < 32; i ++)
+ if (value & (1 << i)) {
+ omap_set_intr(s, 32 * bank_no + i, 1);
+ return;
+ }
+ return;
+ }
+ OMAP_BAD_REG(addr);
+}
+
+static CPUReadMemoryFunc *omap_inth_readfn[] = {
+ omap_badwidth_read32,
+ omap_badwidth_read32,
+ omap_inth_read,
+};
+
+static CPUWriteMemoryFunc *omap_inth_writefn[] = {
+ omap_inth_write,
+ omap_inth_write,
+ omap_inth_write,
+};
+
+void omap_inth_reset(struct omap_intr_handler_s *s)
+{
+ int i;
+
+ for (i = 0; i < s->nbanks; ++i){
+ s->banks[i].irqs = 0x00000000;
+ s->banks[i].mask = 0xffffffff;
+ s->banks[i].sens_edge = 0x00000000;
+ s->banks[i].fiq = 0x00000000;
+ s->banks[i].inputs = 0x00000000;
+ memset(s->banks[i].priority, 0, sizeof(s->banks[i].priority));
+ }
+
+ s->new_agr[0] = ~0;
+ s->new_agr[1] = ~0;
+ s->sir_intr[0] = 0;
+ s->sir_intr[1] = 0;
+
+ qemu_set_irq(s->parent_intr[0], 0);
+ qemu_set_irq(s->parent_intr[1], 0);
+}
+
+struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base,
+ unsigned long size, unsigned char nbanks,
+ qemu_irq parent_irq, qemu_irq parent_fiq, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_intr_handler_s *s = (struct omap_intr_handler_s *)
+ qemu_mallocz(sizeof(struct omap_intr_handler_s) +
+ sizeof(struct omap_intr_handler_bank_s) * nbanks);
+
+ s->parent_intr[0] = parent_irq;
+ s->parent_intr[1] = parent_fiq;
+ s->base = base;
+ s->nbanks = nbanks;
+ s->pins = qemu_allocate_irqs(omap_set_intr, s, nbanks * 32);
+
+ omap_inth_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_inth_readfn,
+ omap_inth_writefn, s);
+ cpu_register_physical_memory(s->base, size, iomemtype);
+
+ return s;
+}
+
+/* MPU OS timers */
+struct omap_mpu_timer_s {
+ qemu_irq irq;
+ omap_clk clk;
+ target_phys_addr_t base;
+ uint32_t val;
+ int64_t time;
+ QEMUTimer *timer;
+ int64_t rate;
+ int it_ena;
+
+ int enable;
+ int ptv;
+ int ar;
+ int st;
+ uint32_t reset_val;
+};
+
+static inline uint32_t omap_timer_read(struct omap_mpu_timer_s *timer)
+{
+ uint64_t distance = qemu_get_clock(vm_clock) - timer->time;
+
+ if (timer->st && timer->enable && timer->rate)
+ return timer->val - muldiv64(distance >> (timer->ptv + 1),
+ timer->rate, ticks_per_sec);
+ else
+ return timer->val;
+}
+
+static inline void omap_timer_sync(struct omap_mpu_timer_s *timer)
+{
+ timer->val = omap_timer_read(timer);
+ timer->time = qemu_get_clock(vm_clock);
+}
+
+static inline void omap_timer_update(struct omap_mpu_timer_s *timer)
+{
+ int64_t expires;
+
+ if (timer->enable && timer->st && timer->rate) {
+ timer->val = timer->reset_val; /* Should skip this on clk enable */
+ expires = muldiv64(timer->val << (timer->ptv + 1),
+ ticks_per_sec, timer->rate);
+
+ /* If timer expiry would be sooner than in about 1 ms and
+ * auto-reload isn't set, then fire immediately. This is a hack
+ * to make systems like PalmOS run in acceptable time. PalmOS
+ * sets the interval to a very low value and polls the status bit
+ * in a busy loop when it wants to sleep just a couple of CPU
+ * ticks. */
+ if (expires > (ticks_per_sec >> 10) || timer->ar)
+ qemu_mod_timer(timer->timer, timer->time + expires);
+ else {
+ timer->val = 0;
+ timer->st = 0;
+ if (timer->it_ena)
+ /* Edge-triggered irq */
+ qemu_irq_pulse(timer->irq);
+ }
+ } else
+ qemu_del_timer(timer->timer);
+}
+
+static void omap_timer_tick(void *opaque)
+{
+ struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque;
+ omap_timer_sync(timer);
+
+ if (!timer->ar) {
+ timer->val = 0;
+ timer->st = 0;
+ }
+
+ if (timer->it_ena)
+ /* Edge-triggered irq */
+ qemu_irq_pulse(timer->irq);
+ omap_timer_update(timer);
+}
+
+static void omap_timer_clk_update(void *opaque, int line, int on)
+{
+ struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque;
+
+ omap_timer_sync(timer);
+ timer->rate = on ? omap_clk_getrate(timer->clk) : 0;
+ omap_timer_update(timer);
+}
+
+static void omap_timer_clk_setup(struct omap_mpu_timer_s *timer)
+{
+ omap_clk_adduser(timer->clk,
+ qemu_allocate_irqs(omap_timer_clk_update, timer, 1)[0]);
+ timer->rate = omap_clk_getrate(timer->clk);
+}
+
+static uint32_t omap_mpu_timer_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque;
+ int offset = addr - s->base;
+
+ switch (offset) {
+ case 0x00: /* CNTL_TIMER */
+ return (s->enable << 5) | (s->ptv << 2) | (s->ar << 1) | s->st;
+
+ case 0x04: /* LOAD_TIM */
+ break;
+
+ case 0x08: /* READ_TIM */
+ return omap_timer_read(s);
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_mpu_timer_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque;
+ int offset = addr - s->base;
+
+ switch (offset) {
+ case 0x00: /* CNTL_TIMER */
+ omap_timer_sync(s);
+ s->enable = (value >> 5) & 1;
+ s->ptv = (value >> 2) & 7;
+ s->ar = (value >> 1) & 1;
+ s->st = value & 1;
+ omap_timer_update(s);
+ return;
+
+ case 0x04: /* LOAD_TIM */
+ s->reset_val = value;
+ return;
+
+ case 0x08: /* READ_TIM */
+ OMAP_RO_REG(addr);
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static CPUReadMemoryFunc *omap_mpu_timer_readfn[] = {
+ omap_badwidth_read32,
+ omap_badwidth_read32,
+ omap_mpu_timer_read,
+};
+
+static CPUWriteMemoryFunc *omap_mpu_timer_writefn[] = {
+ omap_badwidth_write32,
+ omap_badwidth_write32,
+ omap_mpu_timer_write,
+};
+
+static void omap_mpu_timer_reset(struct omap_mpu_timer_s *s)
+{
+ qemu_del_timer(s->timer);
+ s->enable = 0;
+ s->reset_val = 31337;
+ s->val = 0;
+ s->ptv = 0;
+ s->ar = 0;
+ s->st = 0;
+ s->it_ena = 1;
+}
+
+struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base,
+ qemu_irq irq, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *)
+ qemu_mallocz(sizeof(struct omap_mpu_timer_s));
+
+ s->irq = irq;
+ s->clk = clk;
+ s->base = base;
+ s->timer = qemu_new_timer(vm_clock, omap_timer_tick, s);
+ omap_mpu_timer_reset(s);
+ omap_timer_clk_setup(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_mpu_timer_readfn,
+ omap_mpu_timer_writefn, s);
+ cpu_register_physical_memory(s->base, 0x100, iomemtype);
+
+ return s;
+}
+
+/* Watchdog timer */
+struct omap_watchdog_timer_s {
+ struct omap_mpu_timer_s timer;
+ uint8_t last_wr;
+ int mode;
+ int free;
+ int reset;
+};
+
+static uint32_t omap_wd_timer_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque;
+ int offset = addr - s->timer.base;
+
+ switch (offset) {
+ case 0x00: /* CNTL_TIMER */
+ return (s->timer.ptv << 9) | (s->timer.ar << 8) |
+ (s->timer.st << 7) | (s->free << 1);
+
+ case 0x04: /* READ_TIMER */
+ return omap_timer_read(&s->timer);
+
+ case 0x08: /* TIMER_MODE */
+ return s->mode << 15;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_wd_timer_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque;
+ int offset = addr - s->timer.base;
+
+ switch (offset) {
+ case 0x00: /* CNTL_TIMER */
+ omap_timer_sync(&s->timer);
+ s->timer.ptv = (value >> 9) & 7;
+ s->timer.ar = (value >> 8) & 1;
+ s->timer.st = (value >> 7) & 1;
+ s->free = (value >> 1) & 1;
+ omap_timer_update(&s->timer);
+ break;
+
+ case 0x04: /* LOAD_TIMER */
+ s->timer.reset_val = value & 0xffff;
+ break;
+
+ case 0x08: /* TIMER_MODE */
+ if (!s->mode && ((value >> 15) & 1))
+ omap_clk_get(s->timer.clk);
+ s->mode |= (value >> 15) & 1;
+ if (s->last_wr == 0xf5) {
+ if ((value & 0xff) == 0xa0) {
+ if (s->mode) {
+ s->mode = 0;
+ omap_clk_put(s->timer.clk);
+ }
+ } else {
+ /* XXX: on T|E hardware somehow this has no effect,
+ * on Zire 71 it works as specified. */
+ s->reset = 1;
+ qemu_system_reset_request();
+ }
+ }
+ s->last_wr = value & 0xff;
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static CPUReadMemoryFunc *omap_wd_timer_readfn[] = {
+ omap_badwidth_read16,
+ omap_wd_timer_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_wd_timer_writefn[] = {
+ omap_badwidth_write16,
+ omap_wd_timer_write,
+ omap_badwidth_write16,
+};
+
+static void omap_wd_timer_reset(struct omap_watchdog_timer_s *s)
+{
+ qemu_del_timer(s->timer.timer);
+ if (!s->mode)
+ omap_clk_get(s->timer.clk);
+ s->mode = 1;
+ s->free = 1;
+ s->reset = 0;
+ s->timer.enable = 1;
+ s->timer.it_ena = 1;
+ s->timer.reset_val = 0xffff;
+ s->timer.val = 0;
+ s->timer.st = 0;
+ s->timer.ptv = 0;
+ s->timer.ar = 0;
+ omap_timer_update(&s->timer);
+}
+
+struct omap_watchdog_timer_s *omap_wd_timer_init(target_phys_addr_t base,
+ qemu_irq irq, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *)
+ qemu_mallocz(sizeof(struct omap_watchdog_timer_s));
+
+ s->timer.irq = irq;
+ s->timer.clk = clk;
+ s->timer.base = base;
+ s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer);
+ omap_wd_timer_reset(s);
+ omap_timer_clk_setup(&s->timer);
+
+ iomemtype = cpu_register_io_memory(0, omap_wd_timer_readfn,
+ omap_wd_timer_writefn, s);
+ cpu_register_physical_memory(s->timer.base, 0x100, iomemtype);
+
+ return s;
+}
+
+/* 32-kHz timer */
+struct omap_32khz_timer_s {
+ struct omap_mpu_timer_s timer;
+};
+
+static uint32_t omap_os_timer_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* TVR */
+ return s->timer.reset_val;
+
+ case 0x04: /* TCR */
+ return omap_timer_read(&s->timer);
+
+ case 0x08: /* CR */
+ return (s->timer.ar << 3) | (s->timer.it_ena << 2) | s->timer.st;
+
+ default:
+ break;
+ }
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_os_timer_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* TVR */
+ s->timer.reset_val = value & 0x00ffffff;
+ break;
+
+ case 0x04: /* TCR */
+ OMAP_RO_REG(addr);
+ break;
+
+ case 0x08: /* CR */
+ s->timer.ar = (value >> 3) & 1;
+ s->timer.it_ena = (value >> 2) & 1;
+ if (s->timer.st != (value & 1) || (value & 2)) {
+ omap_timer_sync(&s->timer);
+ s->timer.enable = value & 1;
+ s->timer.st = value & 1;
+ omap_timer_update(&s->timer);
+ }
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static CPUReadMemoryFunc *omap_os_timer_readfn[] = {
+ omap_badwidth_read32,
+ omap_badwidth_read32,
+ omap_os_timer_read,
+};
+
+static CPUWriteMemoryFunc *omap_os_timer_writefn[] = {
+ omap_badwidth_write32,
+ omap_badwidth_write32,
+ omap_os_timer_write,
+};
+
+static void omap_os_timer_reset(struct omap_32khz_timer_s *s)
+{
+ qemu_del_timer(s->timer.timer);
+ s->timer.enable = 0;
+ s->timer.it_ena = 0;
+ s->timer.reset_val = 0x00ffffff;
+ s->timer.val = 0;
+ s->timer.st = 0;
+ s->timer.ptv = 0;
+ s->timer.ar = 1;
+}
+
+struct omap_32khz_timer_s *omap_os_timer_init(target_phys_addr_t base,
+ qemu_irq irq, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *)
+ qemu_mallocz(sizeof(struct omap_32khz_timer_s));
+
+ s->timer.irq = irq;
+ s->timer.clk = clk;
+ s->timer.base = base;
+ s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer);
+ omap_os_timer_reset(s);
+ omap_timer_clk_setup(&s->timer);
+
+ iomemtype = cpu_register_io_memory(0, omap_os_timer_readfn,
+ omap_os_timer_writefn, s);
+ cpu_register_physical_memory(s->timer.base, 0x800, iomemtype);
+
+ return s;
+}
+
+/* Ultra Low-Power Device Module */
+static uint32_t omap_ulpd_pm_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr - s->ulpd_pm_base;
+ uint16_t ret;
+
+ switch (offset) {
+ case 0x14: /* IT_STATUS */
+ ret = s->ulpd_pm_regs[offset >> 2];
+ s->ulpd_pm_regs[offset >> 2] = 0;
+ qemu_irq_lower(s->irq[1][OMAP_INT_GAUGE_32K]);
+ return ret;
+
+ case 0x18: /* Reserved */
+ case 0x1c: /* Reserved */
+ case 0x20: /* Reserved */
+ case 0x28: /* Reserved */
+ case 0x2c: /* Reserved */
+ OMAP_BAD_REG(addr);
+ case 0x00: /* COUNTER_32_LSB */
+ case 0x04: /* COUNTER_32_MSB */
+ case 0x08: /* COUNTER_HIGH_FREQ_LSB */
+ case 0x0c: /* COUNTER_HIGH_FREQ_MSB */
+ case 0x10: /* GAUGING_CTRL */
+ case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */
+ case 0x30: /* CLOCK_CTRL */
+ case 0x34: /* SOFT_REQ */
+ case 0x38: /* COUNTER_32_FIQ */
+ case 0x3c: /* DPLL_CTRL */
+ case 0x40: /* STATUS_REQ */
+ /* XXX: check clk::usecount state for every clock */
+ case 0x48: /* LOCL_TIME */
+ case 0x4c: /* APLL_CTRL */
+ case 0x50: /* POWER_CTRL */
+ return s->ulpd_pm_regs[offset >> 2];
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static inline void omap_ulpd_clk_update(struct omap_mpu_state_s *s,
+ uint16_t diff, uint16_t value)
+{
+ if (diff & (1 << 4)) /* USB_MCLK_EN */
+ omap_clk_onoff(omap_findclk(s, "usb_clk0"), (value >> 4) & 1);
+ if (diff & (1 << 5)) /* DIS_USB_PVCI_CLK */
+ omap_clk_onoff(omap_findclk(s, "usb_w2fc_ck"), (~value >> 5) & 1);
+}
+
+static inline void omap_ulpd_req_update(struct omap_mpu_state_s *s,
+ uint16_t diff, uint16_t value)
+{
+ if (diff & (1 << 0)) /* SOFT_DPLL_REQ */
+ omap_clk_canidle(omap_findclk(s, "dpll4"), (~value >> 0) & 1);
+ if (diff & (1 << 1)) /* SOFT_COM_REQ */
+ omap_clk_canidle(omap_findclk(s, "com_mclk_out"), (~value >> 1) & 1);
+ if (diff & (1 << 2)) /* SOFT_SDW_REQ */
+ omap_clk_canidle(omap_findclk(s, "bt_mclk_out"), (~value >> 2) & 1);
+ if (diff & (1 << 3)) /* SOFT_USB_REQ */
+ omap_clk_canidle(omap_findclk(s, "usb_clk0"), (~value >> 3) & 1);
+}
+
+static void omap_ulpd_pm_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr - s->ulpd_pm_base;
+ int64_t now, ticks;
+ int div, mult;
+ static const int bypass_div[4] = { 1, 2, 4, 4 };
+ uint16_t diff;
+
+ switch (offset) {
+ case 0x00: /* COUNTER_32_LSB */
+ case 0x04: /* COUNTER_32_MSB */
+ case 0x08: /* COUNTER_HIGH_FREQ_LSB */
+ case 0x0c: /* COUNTER_HIGH_FREQ_MSB */
+ case 0x14: /* IT_STATUS */
+ case 0x40: /* STATUS_REQ */
+ OMAP_RO_REG(addr);
+ break;
+
+ case 0x10: /* GAUGING_CTRL */
+ /* Bits 0 and 1 seem to be confused in the OMAP 310 TRM */
+ if ((s->ulpd_pm_regs[offset >> 2] ^ value) & 1) {
+ now = qemu_get_clock(vm_clock);
+
+ if (value & 1)
+ s->ulpd_gauge_start = now;
+ else {
+ now -= s->ulpd_gauge_start;
+
+ /* 32-kHz ticks */
+ ticks = muldiv64(now, 32768, ticks_per_sec);
+ s->ulpd_pm_regs[0x00 >> 2] = (ticks >> 0) & 0xffff;
+ s->ulpd_pm_regs[0x04 >> 2] = (ticks >> 16) & 0xffff;
+ if (ticks >> 32) /* OVERFLOW_32K */
+ s->ulpd_pm_regs[0x14 >> 2] |= 1 << 2;
+
+ /* High frequency ticks */
+ ticks = muldiv64(now, 12000000, ticks_per_sec);
+ s->ulpd_pm_regs[0x08 >> 2] = (ticks >> 0) & 0xffff;
+ s->ulpd_pm_regs[0x0c >> 2] = (ticks >> 16) & 0xffff;
+ if (ticks >> 32) /* OVERFLOW_HI_FREQ */
+ s->ulpd_pm_regs[0x14 >> 2] |= 1 << 1;
+
+ s->ulpd_pm_regs[0x14 >> 2] |= 1 << 0; /* IT_GAUGING */
+ qemu_irq_raise(s->irq[1][OMAP_INT_GAUGE_32K]);
+ }
+ }
+ s->ulpd_pm_regs[offset >> 2] = value;
+ break;
+
+ case 0x18: /* Reserved */
+ case 0x1c: /* Reserved */
+ case 0x20: /* Reserved */
+ case 0x28: /* Reserved */
+ case 0x2c: /* Reserved */
+ OMAP_BAD_REG(addr);
+ case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */
+ case 0x38: /* COUNTER_32_FIQ */
+ case 0x48: /* LOCL_TIME */
+ case 0x50: /* POWER_CTRL */
+ s->ulpd_pm_regs[offset >> 2] = value;
+ break;
+
+ case 0x30: /* CLOCK_CTRL */
+ diff = s->ulpd_pm_regs[offset >> 2] ^ value;
+ s->ulpd_pm_regs[offset >> 2] = value & 0x3f;
+ omap_ulpd_clk_update(s, diff, value);
+ break;
+
+ case 0x34: /* SOFT_REQ */
+ diff = s->ulpd_pm_regs[offset >> 2] ^ value;
+ s->ulpd_pm_regs[offset >> 2] = value & 0x1f;
+ omap_ulpd_req_update(s, diff, value);
+ break;
+
+ case 0x3c: /* DPLL_CTRL */
+ /* XXX: OMAP310 TRM claims bit 3 is PLL_ENABLE, and bit 4 is
+ * omitted altogether, probably a typo. */
+ /* This register has identical semantics with DPLL(1:3) control
+ * registers, see omap_dpll_write() */
+ diff = s->ulpd_pm_regs[offset >> 2] & value;
+ s->ulpd_pm_regs[offset >> 2] = value & 0x2fff;
+ if (diff & (0x3ff << 2)) {
+ if (value & (1 << 4)) { /* PLL_ENABLE */
+ div = ((value >> 5) & 3) + 1; /* PLL_DIV */
+ mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */
+ } else {
+ div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */
+ mult = 1;
+ }
+ omap_clk_setrate(omap_findclk(s, "dpll4"), div, mult);
+ }
+
+ /* Enter the desired mode. */
+ s->ulpd_pm_regs[offset >> 2] =
+ (s->ulpd_pm_regs[offset >> 2] & 0xfffe) |
+ ((s->ulpd_pm_regs[offset >> 2] >> 4) & 1);
+
+ /* Act as if the lock is restored. */
+ s->ulpd_pm_regs[offset >> 2] |= 2;
+ break;
+
+ case 0x4c: /* APLL_CTRL */
+ diff = s->ulpd_pm_regs[offset >> 2] & value;
+ s->ulpd_pm_regs[offset >> 2] = value & 0xf;
+ if (diff & (1 << 0)) /* APLL_NDPLL_SWITCH */
+ omap_clk_reparent(omap_findclk(s, "ck_48m"), omap_findclk(s,
+ (value & (1 << 0)) ? "apll" : "dpll4"));
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static CPUReadMemoryFunc *omap_ulpd_pm_readfn[] = {
+ omap_badwidth_read16,
+ omap_ulpd_pm_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_ulpd_pm_writefn[] = {
+ omap_badwidth_write16,
+ omap_ulpd_pm_write,
+ omap_badwidth_write16,
+};
+
+static void omap_ulpd_pm_reset(struct omap_mpu_state_s *mpu)
+{
+ mpu->ulpd_pm_regs[0x00 >> 2] = 0x0001;
+ mpu->ulpd_pm_regs[0x04 >> 2] = 0x0000;
+ mpu->ulpd_pm_regs[0x08 >> 2] = 0x0001;
+ mpu->ulpd_pm_regs[0x0c >> 2] = 0x0000;
+ mpu->ulpd_pm_regs[0x10 >> 2] = 0x0000;
+ mpu->ulpd_pm_regs[0x18 >> 2] = 0x01;
+ mpu->ulpd_pm_regs[0x1c >> 2] = 0x01;
+ mpu->ulpd_pm_regs[0x20 >> 2] = 0x01;
+ mpu->ulpd_pm_regs[0x24 >> 2] = 0x03ff;
+ mpu->ulpd_pm_regs[0x28 >> 2] = 0x01;
+ mpu->ulpd_pm_regs[0x2c >> 2] = 0x01;
+ omap_ulpd_clk_update(mpu, mpu->ulpd_pm_regs[0x30 >> 2], 0x0000);
+ mpu->ulpd_pm_regs[0x30 >> 2] = 0x0000;
+ omap_ulpd_req_update(mpu, mpu->ulpd_pm_regs[0x34 >> 2], 0x0000);
+ mpu->ulpd_pm_regs[0x34 >> 2] = 0x0000;
+ mpu->ulpd_pm_regs[0x38 >> 2] = 0x0001;
+ mpu->ulpd_pm_regs[0x3c >> 2] = 0x2211;
+ mpu->ulpd_pm_regs[0x40 >> 2] = 0x0000; /* FIXME: dump a real STATUS_REQ */
+ mpu->ulpd_pm_regs[0x48 >> 2] = 0x960;
+ mpu->ulpd_pm_regs[0x4c >> 2] = 0x08;
+ mpu->ulpd_pm_regs[0x50 >> 2] = 0x08;
+ omap_clk_setrate(omap_findclk(mpu, "dpll4"), 1, 4);
+ omap_clk_reparent(omap_findclk(mpu, "ck_48m"), omap_findclk(mpu, "dpll4"));
+}
+
+static void omap_ulpd_pm_init(target_phys_addr_t base,
+ struct omap_mpu_state_s *mpu)
+{
+ int iomemtype = cpu_register_io_memory(0, omap_ulpd_pm_readfn,
+ omap_ulpd_pm_writefn, mpu);
+
+ mpu->ulpd_pm_base = base;
+ cpu_register_physical_memory(mpu->ulpd_pm_base, 0x800, iomemtype);
+ omap_ulpd_pm_reset(mpu);
+}
+
+/* OMAP Pin Configuration */
+static uint32_t omap_pin_cfg_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr - s->pin_cfg_base;
+
+ switch (offset) {
+ case 0x00: /* FUNC_MUX_CTRL_0 */
+ case 0x04: /* FUNC_MUX_CTRL_1 */
+ case 0x08: /* FUNC_MUX_CTRL_2 */
+ return s->func_mux_ctrl[offset >> 2];
+
+ case 0x0c: /* COMP_MODE_CTRL_0 */
+ return s->comp_mode_ctrl[0];
+
+ case 0x10: /* FUNC_MUX_CTRL_3 */
+ case 0x14: /* FUNC_MUX_CTRL_4 */
+ case 0x18: /* FUNC_MUX_CTRL_5 */
+ case 0x1c: /* FUNC_MUX_CTRL_6 */
+ case 0x20: /* FUNC_MUX_CTRL_7 */
+ case 0x24: /* FUNC_MUX_CTRL_8 */
+ case 0x28: /* FUNC_MUX_CTRL_9 */
+ case 0x2c: /* FUNC_MUX_CTRL_A */
+ case 0x30: /* FUNC_MUX_CTRL_B */
+ case 0x34: /* FUNC_MUX_CTRL_C */
+ case 0x38: /* FUNC_MUX_CTRL_D */
+ return s->func_mux_ctrl[(offset >> 2) - 1];
+
+ case 0x40: /* PULL_DWN_CTRL_0 */
+ case 0x44: /* PULL_DWN_CTRL_1 */
+ case 0x48: /* PULL_DWN_CTRL_2 */
+ case 0x4c: /* PULL_DWN_CTRL_3 */
+ return s->pull_dwn_ctrl[(offset & 0xf) >> 2];
+
+ case 0x50: /* GATE_INH_CTRL_0 */
+ return s->gate_inh_ctrl[0];
+
+ case 0x60: /* VOLTAGE_CTRL_0 */
+ return s->voltage_ctrl[0];
+
+ case 0x70: /* TEST_DBG_CTRL_0 */
+ return s->test_dbg_ctrl[0];
+
+ case 0x80: /* MOD_CONF_CTRL_0 */
+ return s->mod_conf_ctrl[0];
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static inline void omap_pin_funcmux0_update(struct omap_mpu_state_s *s,
+ uint32_t diff, uint32_t value)
+{
+ if (s->compat1509) {
+ if (diff & (1 << 9)) /* BLUETOOTH */
+ omap_clk_onoff(omap_findclk(s, "bt_mclk_out"),
+ (~value >> 9) & 1);
+ if (diff & (1 << 7)) /* USB.CLKO */
+ omap_clk_onoff(omap_findclk(s, "usb.clko"),
+ (value >> 7) & 1);
+ }
+}
+
+static inline void omap_pin_funcmux1_update(struct omap_mpu_state_s *s,
+ uint32_t diff, uint32_t value)
+{
+ if (s->compat1509) {
+ if (diff & (1 << 31)) /* MCBSP3_CLK_HIZ_DI */
+ omap_clk_onoff(omap_findclk(s, "mcbsp3.clkx"),
+ (value >> 31) & 1);
+ if (diff & (1 << 1)) /* CLK32K */
+ omap_clk_onoff(omap_findclk(s, "clk32k_out"),
+ (~value >> 1) & 1);
+ }
+}
+
+static inline void omap_pin_modconf1_update(struct omap_mpu_state_s *s,
+ uint32_t diff, uint32_t value)
+{
+ if (diff & (1 << 31)) /* CONF_MOD_UART3_CLK_MODE_R */
+ omap_clk_reparent(omap_findclk(s, "uart3_ck"),
+ omap_findclk(s, ((value >> 31) & 1) ?
+ "ck_48m" : "armper_ck"));
+ if (diff & (1 << 30)) /* CONF_MOD_UART2_CLK_MODE_R */
+ omap_clk_reparent(omap_findclk(s, "uart2_ck"),
+ omap_findclk(s, ((value >> 30) & 1) ?
+ "ck_48m" : "armper_ck"));
+ if (diff & (1 << 29)) /* CONF_MOD_UART1_CLK_MODE_R */
+ omap_clk_reparent(omap_findclk(s, "uart1_ck"),
+ omap_findclk(s, ((value >> 29) & 1) ?
+ "ck_48m" : "armper_ck"));
+ if (diff & (1 << 23)) /* CONF_MOD_MMC_SD_CLK_REQ_R */
+ omap_clk_reparent(omap_findclk(s, "mmc_ck"),
+ omap_findclk(s, ((value >> 23) & 1) ?
+ "ck_48m" : "armper_ck"));
+ if (diff & (1 << 12)) /* CONF_MOD_COM_MCLK_12_48_S */
+ omap_clk_reparent(omap_findclk(s, "com_mclk_out"),
+ omap_findclk(s, ((value >> 12) & 1) ?
+ "ck_48m" : "armper_ck"));
+ if (diff & (1 << 9)) /* CONF_MOD_USB_HOST_HHC_UHO */
+ omap_clk_onoff(omap_findclk(s, "usb_hhc_ck"), (value >> 9) & 1);
+}
+
+static void omap_pin_cfg_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr - s->pin_cfg_base;
+ uint32_t diff;
+
+ switch (offset) {
+ case 0x00: /* FUNC_MUX_CTRL_0 */
+ diff = s->func_mux_ctrl[offset >> 2] ^ value;
+ s->func_mux_ctrl[offset >> 2] = value;
+ omap_pin_funcmux0_update(s, diff, value);
+ return;
+
+ case 0x04: /* FUNC_MUX_CTRL_1 */
+ diff = s->func_mux_ctrl[offset >> 2] ^ value;
+ s->func_mux_ctrl[offset >> 2] = value;
+ omap_pin_funcmux1_update(s, diff, value);
+ return;
+
+ case 0x08: /* FUNC_MUX_CTRL_2 */
+ s->func_mux_ctrl[offset >> 2] = value;
+ return;
+
+ case 0x0c: /* COMP_MODE_CTRL_0 */
+ s->comp_mode_ctrl[0] = value;
+ s->compat1509 = (value != 0x0000eaef);
+ omap_pin_funcmux0_update(s, ~0, s->func_mux_ctrl[0]);
+ omap_pin_funcmux1_update(s, ~0, s->func_mux_ctrl[1]);
+ return;
+
+ case 0x10: /* FUNC_MUX_CTRL_3 */
+ case 0x14: /* FUNC_MUX_CTRL_4 */
+ case 0x18: /* FUNC_MUX_CTRL_5 */
+ case 0x1c: /* FUNC_MUX_CTRL_6 */
+ case 0x20: /* FUNC_MUX_CTRL_7 */
+ case 0x24: /* FUNC_MUX_CTRL_8 */
+ case 0x28: /* FUNC_MUX_CTRL_9 */
+ case 0x2c: /* FUNC_MUX_CTRL_A */
+ case 0x30: /* FUNC_MUX_CTRL_B */
+ case 0x34: /* FUNC_MUX_CTRL_C */
+ case 0x38: /* FUNC_MUX_CTRL_D */
+ s->func_mux_ctrl[(offset >> 2) - 1] = value;
+ return;
+
+ case 0x40: /* PULL_DWN_CTRL_0 */
+ case 0x44: /* PULL_DWN_CTRL_1 */
+ case 0x48: /* PULL_DWN_CTRL_2 */
+ case 0x4c: /* PULL_DWN_CTRL_3 */
+ s->pull_dwn_ctrl[(offset & 0xf) >> 2] = value;
+ return;
+
+ case 0x50: /* GATE_INH_CTRL_0 */
+ s->gate_inh_ctrl[0] = value;
+ return;
+
+ case 0x60: /* VOLTAGE_CTRL_0 */
+ s->voltage_ctrl[0] = value;
+ return;
+
+ case 0x70: /* TEST_DBG_CTRL_0 */
+ s->test_dbg_ctrl[0] = value;
+ return;
+
+ case 0x80: /* MOD_CONF_CTRL_0 */
+ diff = s->mod_conf_ctrl[0] ^ value;
+ s->mod_conf_ctrl[0] = value;
+ omap_pin_modconf1_update(s, diff, value);
+ return;
+
+ default:
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static CPUReadMemoryFunc *omap_pin_cfg_readfn[] = {
+ omap_badwidth_read32,
+ omap_badwidth_read32,
+ omap_pin_cfg_read,
+};
+
+static CPUWriteMemoryFunc *omap_pin_cfg_writefn[] = {
+ omap_badwidth_write32,
+ omap_badwidth_write32,
+ omap_pin_cfg_write,
+};
+
+static void omap_pin_cfg_reset(struct omap_mpu_state_s *mpu)
+{
+ /* Start in Compatibility Mode. */
+ mpu->compat1509 = 1;
+ omap_pin_funcmux0_update(mpu, mpu->func_mux_ctrl[0], 0);
+ omap_pin_funcmux1_update(mpu, mpu->func_mux_ctrl[1], 0);
+ omap_pin_modconf1_update(mpu, mpu->mod_conf_ctrl[0], 0);
+ memset(mpu->func_mux_ctrl, 0, sizeof(mpu->func_mux_ctrl));
+ memset(mpu->comp_mode_ctrl, 0, sizeof(mpu->comp_mode_ctrl));
+ memset(mpu->pull_dwn_ctrl, 0, sizeof(mpu->pull_dwn_ctrl));
+ memset(mpu->gate_inh_ctrl, 0, sizeof(mpu->gate_inh_ctrl));
+ memset(mpu->voltage_ctrl, 0, sizeof(mpu->voltage_ctrl));
+ memset(mpu->test_dbg_ctrl, 0, sizeof(mpu->test_dbg_ctrl));
+ memset(mpu->mod_conf_ctrl, 0, sizeof(mpu->mod_conf_ctrl));
+}
+
+static void omap_pin_cfg_init(target_phys_addr_t base,
+ struct omap_mpu_state_s *mpu)
+{
+ int iomemtype = cpu_register_io_memory(0, omap_pin_cfg_readfn,
+ omap_pin_cfg_writefn, mpu);
+
+ mpu->pin_cfg_base = base;
+ cpu_register_physical_memory(mpu->pin_cfg_base, 0x800, iomemtype);
+ omap_pin_cfg_reset(mpu);
+}
+
+/* Device Identification, Die Identification */
+static uint32_t omap_id_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+
+ switch (addr) {
+ case 0xfffe1800: /* DIE_ID_LSB */
+ return 0xc9581f0e;
+ case 0xfffe1804: /* DIE_ID_MSB */
+ return 0xa8858bfa;
+
+ case 0xfffe2000: /* PRODUCT_ID_LSB */
+ return 0x00aaaafc;
+ case 0xfffe2004: /* PRODUCT_ID_MSB */
+ return 0xcafeb574;
+
+ case 0xfffed400: /* JTAG_ID_LSB */
+ switch (s->mpu_model) {
+ case omap310:
+ return 0x03310315;
+ case omap1510:
+ return 0x03310115;
+ }
+ break;
+
+ case 0xfffed404: /* JTAG_ID_MSB */
+ switch (s->mpu_model) {
+ case omap310:
+ return 0xfb57402f;
+ case omap1510:
+ return 0xfb47002f;
+ }
+ break;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_id_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ OMAP_BAD_REG(addr);
+}
+
+static CPUReadMemoryFunc *omap_id_readfn[] = {
+ omap_badwidth_read32,
+ omap_badwidth_read32,
+ omap_id_read,
+};
+
+static CPUWriteMemoryFunc *omap_id_writefn[] = {
+ omap_badwidth_write32,
+ omap_badwidth_write32,
+ omap_id_write,
+};
+
+static void omap_id_init(struct omap_mpu_state_s *mpu)
+{
+ int iomemtype = cpu_register_io_memory(0, omap_id_readfn,
+ omap_id_writefn, mpu);
+ cpu_register_physical_memory(0xfffe1800, 0x800, iomemtype);
+ cpu_register_physical_memory(0xfffed400, 0x100, iomemtype);
+ if (!cpu_is_omap15xx(mpu))
+ cpu_register_physical_memory(0xfffe2000, 0x800, iomemtype);
+}
+
+/* MPUI Control (Dummy) */
+static uint32_t omap_mpui_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr - s->mpui_base;
+
+ switch (offset) {
+ case 0x00: /* CTRL */
+ return s->mpui_ctrl;
+ case 0x04: /* DEBUG_ADDR */
+ return 0x01ffffff;
+ case 0x08: /* DEBUG_DATA */
+ return 0xffffffff;
+ case 0x0c: /* DEBUG_FLAG */
+ return 0x00000800;
+ case 0x10: /* STATUS */
+ return 0x00000000;
+
+ /* Not in OMAP310 */
+ case 0x14: /* DSP_STATUS */
+ case 0x18: /* DSP_BOOT_CONFIG */
+ return 0x00000000;
+ case 0x1c: /* DSP_MPUI_CONFIG */
+ return 0x0000ffff;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_mpui_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr - s->mpui_base;
+
+ switch (offset) {
+ case 0x00: /* CTRL */
+ s->mpui_ctrl = value & 0x007fffff;
+ break;
+
+ case 0x04: /* DEBUG_ADDR */
+ case 0x08: /* DEBUG_DATA */
+ case 0x0c: /* DEBUG_FLAG */
+ case 0x10: /* STATUS */
+ /* Not in OMAP310 */
+ case 0x14: /* DSP_STATUS */
+ OMAP_RO_REG(addr);
+ case 0x18: /* DSP_BOOT_CONFIG */
+ case 0x1c: /* DSP_MPUI_CONFIG */
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static CPUReadMemoryFunc *omap_mpui_readfn[] = {
+ omap_badwidth_read32,
+ omap_badwidth_read32,
+ omap_mpui_read,
+};
+
+static CPUWriteMemoryFunc *omap_mpui_writefn[] = {
+ omap_badwidth_write32,
+ omap_badwidth_write32,
+ omap_mpui_write,
+};
+
+static void omap_mpui_reset(struct omap_mpu_state_s *s)
+{
+ s->mpui_ctrl = 0x0003ff1b;
+}
+
+static void omap_mpui_init(target_phys_addr_t base,
+ struct omap_mpu_state_s *mpu)
+{
+ int iomemtype = cpu_register_io_memory(0, omap_mpui_readfn,
+ omap_mpui_writefn, mpu);
+
+ mpu->mpui_base = base;
+ cpu_register_physical_memory(mpu->mpui_base, 0x100, iomemtype);
+
+ omap_mpui_reset(mpu);
+}
+
+/* TIPB Bridges */
+struct omap_tipb_bridge_s {
+ target_phys_addr_t base;
+ qemu_irq abort;
+
+ int width_intr;
+ uint16_t control;
+ uint16_t alloc;
+ uint16_t buffer;
+ uint16_t enh_control;
+};
+
+static uint32_t omap_tipb_bridge_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque;
+ int offset = addr - s->base;
+
+ switch (offset) {
+ case 0x00: /* TIPB_CNTL */
+ return s->control;
+ case 0x04: /* TIPB_BUS_ALLOC */
+ return s->alloc;
+ case 0x08: /* MPU_TIPB_CNTL */
+ return s->buffer;
+ case 0x0c: /* ENHANCED_TIPB_CNTL */
+ return s->enh_control;
+ case 0x10: /* ADDRESS_DBG */
+ case 0x14: /* DATA_DEBUG_LOW */
+ case 0x18: /* DATA_DEBUG_HIGH */
+ return 0xffff;
+ case 0x1c: /* DEBUG_CNTR_SIG */
+ return 0x00f8;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_tipb_bridge_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque;
+ int offset = addr - s->base;
+
+ switch (offset) {
+ case 0x00: /* TIPB_CNTL */
+ s->control = value & 0xffff;
+ break;
+
+ case 0x04: /* TIPB_BUS_ALLOC */
+ s->alloc = value & 0x003f;
+ break;
+
+ case 0x08: /* MPU_TIPB_CNTL */
+ s->buffer = value & 0x0003;
+ break;
+
+ case 0x0c: /* ENHANCED_TIPB_CNTL */
+ s->width_intr = !(value & 2);
+ s->enh_control = value & 0x000f;
+ break;
+
+ case 0x10: /* ADDRESS_DBG */
+ case 0x14: /* DATA_DEBUG_LOW */
+ case 0x18: /* DATA_DEBUG_HIGH */
+ case 0x1c: /* DEBUG_CNTR_SIG */
+ OMAP_RO_REG(addr);
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static CPUReadMemoryFunc *omap_tipb_bridge_readfn[] = {
+ omap_badwidth_read16,
+ omap_tipb_bridge_read,
+ omap_tipb_bridge_read,
+};
+
+static CPUWriteMemoryFunc *omap_tipb_bridge_writefn[] = {
+ omap_badwidth_write16,
+ omap_tipb_bridge_write,
+ omap_tipb_bridge_write,
+};
+
+static void omap_tipb_bridge_reset(struct omap_tipb_bridge_s *s)
+{
+ s->control = 0xffff;
+ s->alloc = 0x0009;
+ s->buffer = 0x0000;
+ s->enh_control = 0x000f;
+}
+
+struct omap_tipb_bridge_s *omap_tipb_bridge_init(target_phys_addr_t base,
+ qemu_irq abort_irq, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *)
+ qemu_mallocz(sizeof(struct omap_tipb_bridge_s));
+
+ s->abort = abort_irq;
+ s->base = base;
+ omap_tipb_bridge_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_tipb_bridge_readfn,
+ omap_tipb_bridge_writefn, s);
+ cpu_register_physical_memory(s->base, 0x100, iomemtype);
+
+ return s;
+}
+
+/* Dummy Traffic Controller's Memory Interface */
+static uint32_t omap_tcmi_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr - s->tcmi_base;
+ uint32_t ret;
+
+ switch (offset) {
+ case 0x00: /* IMIF_PRIO */
+ case 0x04: /* EMIFS_PRIO */
+ case 0x08: /* EMIFF_PRIO */
+ case 0x0c: /* EMIFS_CONFIG */
+ case 0x10: /* EMIFS_CS0_CONFIG */
+ case 0x14: /* EMIFS_CS1_CONFIG */
+ case 0x18: /* EMIFS_CS2_CONFIG */
+ case 0x1c: /* EMIFS_CS3_CONFIG */
+ case 0x24: /* EMIFF_MRS */
+ case 0x28: /* TIMEOUT1 */
+ case 0x2c: /* TIMEOUT2 */
+ case 0x30: /* TIMEOUT3 */
+ case 0x3c: /* EMIFF_SDRAM_CONFIG_2 */
+ case 0x40: /* EMIFS_CFG_DYN_WAIT */
+ return s->tcmi_regs[offset >> 2];
+
+ case 0x20: /* EMIFF_SDRAM_CONFIG */
+ ret = s->tcmi_regs[offset >> 2];
+ s->tcmi_regs[offset >> 2] &= ~1; /* XXX: Clear SLRF on SDRAM access */
+ /* XXX: We can try using the VGA_DIRTY flag for this */
+ return ret;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_tcmi_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr - s->tcmi_base;
+
+ switch (offset) {
+ case 0x00: /* IMIF_PRIO */
+ case 0x04: /* EMIFS_PRIO */
+ case 0x08: /* EMIFF_PRIO */
+ case 0x10: /* EMIFS_CS0_CONFIG */
+ case 0x14: /* EMIFS_CS1_CONFIG */
+ case 0x18: /* EMIFS_CS2_CONFIG */
+ case 0x1c: /* EMIFS_CS3_CONFIG */
+ case 0x20: /* EMIFF_SDRAM_CONFIG */
+ case 0x24: /* EMIFF_MRS */
+ case 0x28: /* TIMEOUT1 */
+ case 0x2c: /* TIMEOUT2 */
+ case 0x30: /* TIMEOUT3 */
+ case 0x3c: /* EMIFF_SDRAM_CONFIG_2 */
+ case 0x40: /* EMIFS_CFG_DYN_WAIT */
+ s->tcmi_regs[offset >> 2] = value;
+ break;
+ case 0x0c: /* EMIFS_CONFIG */
+ s->tcmi_regs[offset >> 2] = (value & 0xf) | (1 << 4);
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static CPUReadMemoryFunc *omap_tcmi_readfn[] = {
+ omap_badwidth_read32,
+ omap_badwidth_read32,
+ omap_tcmi_read,
+};
+
+static CPUWriteMemoryFunc *omap_tcmi_writefn[] = {
+ omap_badwidth_write32,
+ omap_badwidth_write32,
+ omap_tcmi_write,
+};
+
+static void omap_tcmi_reset(struct omap_mpu_state_s *mpu)
+{
+ mpu->tcmi_regs[0x00 >> 2] = 0x00000000;
+ mpu->tcmi_regs[0x04 >> 2] = 0x00000000;
+ mpu->tcmi_regs[0x08 >> 2] = 0x00000000;
+ mpu->tcmi_regs[0x0c >> 2] = 0x00000010;
+ mpu->tcmi_regs[0x10 >> 2] = 0x0010fffb;
+ mpu->tcmi_regs[0x14 >> 2] = 0x0010fffb;
+ mpu->tcmi_regs[0x18 >> 2] = 0x0010fffb;
+ mpu->tcmi_regs[0x1c >> 2] = 0x0010fffb;
+ mpu->tcmi_regs[0x20 >> 2] = 0x00618800;
+ mpu->tcmi_regs[0x24 >> 2] = 0x00000037;
+ mpu->tcmi_regs[0x28 >> 2] = 0x00000000;
+ mpu->tcmi_regs[0x2c >> 2] = 0x00000000;
+ mpu->tcmi_regs[0x30 >> 2] = 0x00000000;
+ mpu->tcmi_regs[0x3c >> 2] = 0x00000003;
+ mpu->tcmi_regs[0x40 >> 2] = 0x00000000;
+}
+
+static void omap_tcmi_init(target_phys_addr_t base,
+ struct omap_mpu_state_s *mpu)
+{
+ int iomemtype = cpu_register_io_memory(0, omap_tcmi_readfn,
+ omap_tcmi_writefn, mpu);
+
+ mpu->tcmi_base = base;
+ cpu_register_physical_memory(mpu->tcmi_base, 0x100, iomemtype);
+ omap_tcmi_reset(mpu);
+}
+
+/* Digital phase-locked loops control */
+static uint32_t omap_dpll_read(void *opaque, target_phys_addr_t addr)
+{
+ struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque;
+ int offset = addr - s->base;
+
+ if (offset == 0x00) /* CTL_REG */
+ return s->mode;
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_dpll_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque;
+ uint16_t diff;
+ int offset = addr - s->base;
+ static const int bypass_div[4] = { 1, 2, 4, 4 };
+ int div, mult;
+
+ if (offset == 0x00) { /* CTL_REG */
+ /* See omap_ulpd_pm_write() too */
+ diff = s->mode & value;
+ s->mode = value & 0x2fff;
+ if (diff & (0x3ff << 2)) {
+ if (value & (1 << 4)) { /* PLL_ENABLE */
+ div = ((value >> 5) & 3) + 1; /* PLL_DIV */
+ mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */
+ } else {
+ div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */
+ mult = 1;
+ }
+ omap_clk_setrate(s->dpll, div, mult);
+ }
+
+ /* Enter the desired mode. */
+ s->mode = (s->mode & 0xfffe) | ((s->mode >> 4) & 1);
+
+ /* Act as if the lock is restored. */
+ s->mode |= 2;
+ } else {
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static CPUReadMemoryFunc *omap_dpll_readfn[] = {
+ omap_badwidth_read16,
+ omap_dpll_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_dpll_writefn[] = {
+ omap_badwidth_write16,
+ omap_dpll_write,
+ omap_badwidth_write16,
+};
+
+static void omap_dpll_reset(struct dpll_ctl_s *s)
+{
+ s->mode = 0x2002;
+ omap_clk_setrate(s->dpll, 1, 1);
+}
+
+static void omap_dpll_init(struct dpll_ctl_s *s, target_phys_addr_t base,
+ omap_clk clk)
+{
+ int iomemtype = cpu_register_io_memory(0, omap_dpll_readfn,
+ omap_dpll_writefn, s);
+
+ s->base = base;
+ s->dpll = clk;
+ omap_dpll_reset(s);
+
+ cpu_register_physical_memory(s->base, 0x100, iomemtype);
+}
+
+/* UARTs */
+struct omap_uart_s {
+ SerialState *serial; /* TODO */
+};
+
+static void omap_uart_reset(struct omap_uart_s *s)
+{
+}
+
+struct omap_uart_s *omap_uart_init(target_phys_addr_t base,
+ qemu_irq irq, omap_clk clk, CharDriverState *chr)
+{
+ struct omap_uart_s *s = (struct omap_uart_s *)
+ qemu_mallocz(sizeof(struct omap_uart_s));
+ if (chr)
+ s->serial = serial_mm_init(base, 2, irq, chr, 1);
+ return s;
+}
+
+/* MPU Clock/Reset/Power Mode Control */
+static uint32_t omap_clkm_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr - s->clkm.mpu_base;
+
+ switch (offset) {
+ case 0x00: /* ARM_CKCTL */
+ return s->clkm.arm_ckctl;
+
+ case 0x04: /* ARM_IDLECT1 */
+ return s->clkm.arm_idlect1;
+
+ case 0x08: /* ARM_IDLECT2 */
+ return s->clkm.arm_idlect2;
+
+ case 0x0c: /* ARM_EWUPCT */
+ return s->clkm.arm_ewupct;
+
+ case 0x10: /* ARM_RSTCT1 */
+ return s->clkm.arm_rstct1;
+
+ case 0x14: /* ARM_RSTCT2 */
+ return s->clkm.arm_rstct2;
+
+ case 0x18: /* ARM_SYSST */
+ return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start;
+
+ case 0x1c: /* ARM_CKOUT1 */
+ return s->clkm.arm_ckout1;
+
+ case 0x20: /* ARM_CKOUT2 */
+ break;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static inline void omap_clkm_ckctl_update(struct omap_mpu_state_s *s,
+ uint16_t diff, uint16_t value)
+{
+ omap_clk clk;
+
+ if (diff & (1 << 14)) { /* ARM_INTHCK_SEL */
+ if (value & (1 << 14))
+ /* Reserved */;
+ else {
+ clk = omap_findclk(s, "arminth_ck");
+ omap_clk_reparent(clk, omap_findclk(s, "tc_ck"));
+ }
+ }
+ if (diff & (1 << 12)) { /* ARM_TIMXO */
+ clk = omap_findclk(s, "armtim_ck");
+ if (value & (1 << 12))
+ omap_clk_reparent(clk, omap_findclk(s, "clkin"));
+ else
+ omap_clk_reparent(clk, omap_findclk(s, "ck_gen1"));
+ }
+ /* XXX: en_dspck */
+ if (diff & (3 << 10)) { /* DSPMMUDIV */
+ clk = omap_findclk(s, "dspmmu_ck");
+ omap_clk_setrate(clk, 1 << ((value >> 10) & 3), 1);
+ }
+ if (diff & (3 << 8)) { /* TCDIV */
+ clk = omap_findclk(s, "tc_ck");
+ omap_clk_setrate(clk, 1 << ((value >> 8) & 3), 1);
+ }
+ if (diff & (3 << 6)) { /* DSPDIV */
+ clk = omap_findclk(s, "dsp_ck");
+ omap_clk_setrate(clk, 1 << ((value >> 6) & 3), 1);
+ }
+ if (diff & (3 << 4)) { /* ARMDIV */
+ clk = omap_findclk(s, "arm_ck");
+ omap_clk_setrate(clk, 1 << ((value >> 4) & 3), 1);
+ }
+ if (diff & (3 << 2)) { /* LCDDIV */
+ clk = omap_findclk(s, "lcd_ck");
+ omap_clk_setrate(clk, 1 << ((value >> 2) & 3), 1);
+ }
+ if (diff & (3 << 0)) { /* PERDIV */
+ clk = omap_findclk(s, "armper_ck");
+ omap_clk_setrate(clk, 1 << ((value >> 0) & 3), 1);
+ }
+}
+
+static inline void omap_clkm_idlect1_update(struct omap_mpu_state_s *s,
+ uint16_t diff, uint16_t value)
+{
+ omap_clk clk;
+
+ if (value & (1 << 11)) /* SETARM_IDLE */
+ cpu_interrupt(s->env, CPU_INTERRUPT_HALT);
+ if (!(value & (1 << 10))) /* WKUP_MODE */
+ qemu_system_shutdown_request(); /* XXX: disable wakeup from IRQ */
+
+#define SET_CANIDLE(clock, bit) \
+ if (diff & (1 << bit)) { \
+ clk = omap_findclk(s, clock); \
+ omap_clk_canidle(clk, (value >> bit) & 1); \
+ }
+ SET_CANIDLE("mpuwd_ck", 0) /* IDLWDT_ARM */
+ SET_CANIDLE("armxor_ck", 1) /* IDLXORP_ARM */
+ SET_CANIDLE("mpuper_ck", 2) /* IDLPER_ARM */
+ SET_CANIDLE("lcd_ck", 3) /* IDLLCD_ARM */
+ SET_CANIDLE("lb_ck", 4) /* IDLLB_ARM */
+ SET_CANIDLE("hsab_ck", 5) /* IDLHSAB_ARM */
+ SET_CANIDLE("tipb_ck", 6) /* IDLIF_ARM */
+ SET_CANIDLE("dma_ck", 6) /* IDLIF_ARM */
+ SET_CANIDLE("tc_ck", 6) /* IDLIF_ARM */
+ SET_CANIDLE("dpll1", 7) /* IDLDPLL_ARM */
+ SET_CANIDLE("dpll2", 7) /* IDLDPLL_ARM */
+ SET_CANIDLE("dpll3", 7) /* IDLDPLL_ARM */
+ SET_CANIDLE("mpui_ck", 8) /* IDLAPI_ARM */
+ SET_CANIDLE("armtim_ck", 9) /* IDLTIM_ARM */
+}
+
+static inline void omap_clkm_idlect2_update(struct omap_mpu_state_s *s,
+ uint16_t diff, uint16_t value)
+{
+ omap_clk clk;
+
+#define SET_ONOFF(clock, bit) \
+ if (diff & (1 << bit)) { \
+ clk = omap_findclk(s, clock); \
+ omap_clk_onoff(clk, (value >> bit) & 1); \
+ }
+ SET_ONOFF("mpuwd_ck", 0) /* EN_WDTCK */
+ SET_ONOFF("armxor_ck", 1) /* EN_XORPCK */
+ SET_ONOFF("mpuper_ck", 2) /* EN_PERCK */
+ SET_ONOFF("lcd_ck", 3) /* EN_LCDCK */
+ SET_ONOFF("lb_ck", 4) /* EN_LBCK */
+ SET_ONOFF("hsab_ck", 5) /* EN_HSABCK */
+ SET_ONOFF("mpui_ck", 6) /* EN_APICK */
+ SET_ONOFF("armtim_ck", 7) /* EN_TIMCK */
+ SET_CANIDLE("dma_ck", 8) /* DMACK_REQ */
+ SET_ONOFF("arm_gpio_ck", 9) /* EN_GPIOCK */
+ SET_ONOFF("lbfree_ck", 10) /* EN_LBFREECK */
+}
+
+static inline void omap_clkm_ckout1_update(struct omap_mpu_state_s *s,
+ uint16_t diff, uint16_t value)
+{
+ omap_clk clk;
+
+ if (diff & (3 << 4)) { /* TCLKOUT */
+ clk = omap_findclk(s, "tclk_out");
+ switch ((value >> 4) & 3) {
+ case 1:
+ omap_clk_reparent(clk, omap_findclk(s, "ck_gen3"));
+ omap_clk_onoff(clk, 1);
+ break;
+ case 2:
+ omap_clk_reparent(clk, omap_findclk(s, "tc_ck"));
+ omap_clk_onoff(clk, 1);
+ break;
+ default:
+ omap_clk_onoff(clk, 0);
+ }
+ }
+ if (diff & (3 << 2)) { /* DCLKOUT */
+ clk = omap_findclk(s, "dclk_out");
+ switch ((value >> 2) & 3) {
+ case 0:
+ omap_clk_reparent(clk, omap_findclk(s, "dspmmu_ck"));
+ break;
+ case 1:
+ omap_clk_reparent(clk, omap_findclk(s, "ck_gen2"));
+ break;
+ case 2:
+ omap_clk_reparent(clk, omap_findclk(s, "dsp_ck"));
+ break;
+ case 3:
+ omap_clk_reparent(clk, omap_findclk(s, "ck_ref14"));
+ break;
+ }
+ }
+ if (diff & (3 << 0)) { /* ACLKOUT */
+ clk = omap_findclk(s, "aclk_out");
+ switch ((value >> 0) & 3) {
+ case 1:
+ omap_clk_reparent(clk, omap_findclk(s, "ck_gen1"));
+ omap_clk_onoff(clk, 1);
+ break;
+ case 2:
+ omap_clk_reparent(clk, omap_findclk(s, "arm_ck"));
+ omap_clk_onoff(clk, 1);
+ break;
+ case 3:
+ omap_clk_reparent(clk, omap_findclk(s, "ck_ref14"));
+ omap_clk_onoff(clk, 1);
+ break;
+ default:
+ omap_clk_onoff(clk, 0);
+ }
+ }
+}
+
+static void omap_clkm_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr - s->clkm.mpu_base;
+ uint16_t diff;
+ omap_clk clk;
+ static const char *clkschemename[8] = {
+ "fully synchronous", "fully asynchronous", "synchronous scalable",
+ "mix mode 1", "mix mode 2", "bypass mode", "mix mode 3", "mix mode 4",
+ };
+
+ switch (offset) {
+ case 0x00: /* ARM_CKCTL */
+ diff = s->clkm.arm_ckctl ^ value;
+ s->clkm.arm_ckctl = value & 0x7fff;
+ omap_clkm_ckctl_update(s, diff, value);
+ return;
+
+ case 0x04: /* ARM_IDLECT1 */
+ diff = s->clkm.arm_idlect1 ^ value;
+ s->clkm.arm_idlect1 = value & 0x0fff;
+ omap_clkm_idlect1_update(s, diff, value);
+ return;
+
+ case 0x08: /* ARM_IDLECT2 */
+ diff = s->clkm.arm_idlect2 ^ value;
+ s->clkm.arm_idlect2 = value & 0x07ff;
+ omap_clkm_idlect2_update(s, diff, value);
+ return;
+
+ case 0x0c: /* ARM_EWUPCT */
+ diff = s->clkm.arm_ewupct ^ value;
+ s->clkm.arm_ewupct = value & 0x003f;
+ return;
+
+ case 0x10: /* ARM_RSTCT1 */
+ diff = s->clkm.arm_rstct1 ^ value;
+ s->clkm.arm_rstct1 = value & 0x0007;
+ if (value & 9) {
+ qemu_system_reset_request();
+ s->clkm.cold_start = 0xa;
+ }
+ if (diff & ~value & 4) { /* DSP_RST */
+ omap_mpui_reset(s);
+ omap_tipb_bridge_reset(s->private_tipb);
+ omap_tipb_bridge_reset(s->public_tipb);
+ }
+ if (diff & 2) { /* DSP_EN */
+ clk = omap_findclk(s, "dsp_ck");
+ omap_clk_canidle(clk, (~value >> 1) & 1);
+ }
+ return;
+
+ case 0x14: /* ARM_RSTCT2 */
+ s->clkm.arm_rstct2 = value & 0x0001;
+ return;
+
+ case 0x18: /* ARM_SYSST */
+ if ((s->clkm.clocking_scheme ^ (value >> 11)) & 7) {
+ s->clkm.clocking_scheme = (value >> 11) & 7;
+ printf("%s: clocking scheme set to %s\n", __FUNCTION__,
+ clkschemename[s->clkm.clocking_scheme]);
+ }
+ s->clkm.cold_start &= value & 0x3f;
+ return;
+
+ case 0x1c: /* ARM_CKOUT1 */
+ diff = s->clkm.arm_ckout1 ^ value;
+ s->clkm.arm_ckout1 = value & 0x003f;
+ omap_clkm_ckout1_update(s, diff, value);
+ return;
+
+ case 0x20: /* ARM_CKOUT2 */
+ default:
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static CPUReadMemoryFunc *omap_clkm_readfn[] = {
+ omap_badwidth_read16,
+ omap_clkm_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_clkm_writefn[] = {
+ omap_badwidth_write16,
+ omap_clkm_write,
+ omap_badwidth_write16,
+};
+
+static uint32_t omap_clkdsp_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr - s->clkm.dsp_base;
+
+ switch (offset) {
+ case 0x04: /* DSP_IDLECT1 */
+ return s->clkm.dsp_idlect1;
+
+ case 0x08: /* DSP_IDLECT2 */
+ return s->clkm.dsp_idlect2;
+
+ case 0x14: /* DSP_RSTCT2 */
+ return s->clkm.dsp_rstct2;
+
+ case 0x18: /* DSP_SYSST */
+ return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start |
+ (s->env->halted << 6); /* Quite useless... */
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static inline void omap_clkdsp_idlect1_update(struct omap_mpu_state_s *s,
+ uint16_t diff, uint16_t value)
+{
+ omap_clk clk;
+
+ SET_CANIDLE("dspxor_ck", 1); /* IDLXORP_DSP */
+}
+
+static inline void omap_clkdsp_idlect2_update(struct omap_mpu_state_s *s,
+ uint16_t diff, uint16_t value)
+{
+ omap_clk clk;
+
+ SET_ONOFF("dspxor_ck", 1); /* EN_XORPCK */
+}
+
+static void omap_clkdsp_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr - s->clkm.dsp_base;
+ uint16_t diff;
+
+ switch (offset) {
+ case 0x04: /* DSP_IDLECT1 */
+ diff = s->clkm.dsp_idlect1 ^ value;
+ s->clkm.dsp_idlect1 = value & 0x01f7;
+ omap_clkdsp_idlect1_update(s, diff, value);
+ break;
+
+ case 0x08: /* DSP_IDLECT2 */
+ s->clkm.dsp_idlect2 = value & 0x0037;
+ diff = s->clkm.dsp_idlect1 ^ value;
+ omap_clkdsp_idlect2_update(s, diff, value);
+ break;
+
+ case 0x14: /* DSP_RSTCT2 */
+ s->clkm.dsp_rstct2 = value & 0x0001;
+ break;
+
+ case 0x18: /* DSP_SYSST */
+ s->clkm.cold_start &= value & 0x3f;
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static CPUReadMemoryFunc *omap_clkdsp_readfn[] = {
+ omap_badwidth_read16,
+ omap_clkdsp_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_clkdsp_writefn[] = {
+ omap_badwidth_write16,
+ omap_clkdsp_write,
+ omap_badwidth_write16,
+};
+
+static void omap_clkm_reset(struct omap_mpu_state_s *s)
+{
+ if (s->wdt && s->wdt->reset)
+ s->clkm.cold_start = 0x6;
+ s->clkm.clocking_scheme = 0;
+ omap_clkm_ckctl_update(s, ~0, 0x3000);
+ s->clkm.arm_ckctl = 0x3000;
+ omap_clkm_idlect1_update(s, s->clkm.arm_idlect1 ^ 0x0400, 0x0400);
+ s->clkm.arm_idlect1 = 0x0400;
+ omap_clkm_idlect2_update(s, s->clkm.arm_idlect2 ^ 0x0100, 0x0100);
+ s->clkm.arm_idlect2 = 0x0100;
+ s->clkm.arm_ewupct = 0x003f;
+ s->clkm.arm_rstct1 = 0x0000;
+ s->clkm.arm_rstct2 = 0x0000;
+ s->clkm.arm_ckout1 = 0x0015;
+ s->clkm.dpll1_mode = 0x2002;
+ omap_clkdsp_idlect1_update(s, s->clkm.dsp_idlect1 ^ 0x0040, 0x0040);
+ s->clkm.dsp_idlect1 = 0x0040;
+ omap_clkdsp_idlect2_update(s, ~0, 0x0000);
+ s->clkm.dsp_idlect2 = 0x0000;
+ s->clkm.dsp_rstct2 = 0x0000;
+}
+
+static void omap_clkm_init(target_phys_addr_t mpu_base,
+ target_phys_addr_t dsp_base, struct omap_mpu_state_s *s)
+{
+ int iomemtype[2] = {
+ cpu_register_io_memory(0, omap_clkm_readfn, omap_clkm_writefn, s),
+ cpu_register_io_memory(0, omap_clkdsp_readfn, omap_clkdsp_writefn, s),
+ };
+
+ s->clkm.mpu_base = mpu_base;
+ s->clkm.dsp_base = dsp_base;
+ s->clkm.arm_idlect1 = 0x03ff;
+ s->clkm.arm_idlect2 = 0x0100;
+ s->clkm.dsp_idlect1 = 0x0002;
+ omap_clkm_reset(s);
+ s->clkm.cold_start = 0x3a;
+
+ cpu_register_physical_memory(s->clkm.mpu_base, 0x100, iomemtype[0]);
+ cpu_register_physical_memory(s->clkm.dsp_base, 0x1000, iomemtype[1]);
+}
+
+/* MPU I/O */
+struct omap_mpuio_s {
+ target_phys_addr_t base;
+ qemu_irq irq;
+ qemu_irq kbd_irq;
+ qemu_irq *in;
+ qemu_irq handler[16];
+ qemu_irq wakeup;
+
+ uint16_t inputs;
+ uint16_t outputs;
+ uint16_t dir;
+ uint16_t edge;
+ uint16_t mask;
+ uint16_t ints;
+
+ uint16_t debounce;
+ uint16_t latch;
+ uint8_t event;
+
+ uint8_t buttons[5];
+ uint8_t row_latch;
+ uint8_t cols;
+ int kbd_mask;
+ int clk;
+};
+
+static void omap_mpuio_set(void *opaque, int line, int level)
+{
+ struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
+ uint16_t prev = s->inputs;
+
+ if (level)
+ s->inputs |= 1 << line;
+ else
+ s->inputs &= ~(1 << line);
+
+ if (((1 << line) & s->dir & ~s->mask) && s->clk) {
+ if ((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) {
+ s->ints |= 1 << line;
+ qemu_irq_raise(s->irq);
+ /* TODO: wakeup */
+ }
+ if ((s->event & (1 << 0)) && /* SET_GPIO_EVENT_MODE */
+ (s->event >> 1) == line) /* PIN_SELECT */
+ s->latch = s->inputs;
+ }
+}
+
+static void omap_mpuio_kbd_update(struct omap_mpuio_s *s)
+{
+ int i;
+ uint8_t *row, rows = 0, cols = ~s->cols;
+
+ for (row = s->buttons + 4, i = 1 << 4; i; row --, i >>= 1)
+ if (*row & cols)
+ rows |= i;
+
+ qemu_set_irq(s->kbd_irq, rows && !s->kbd_mask && s->clk);
+ s->row_latch = ~rows;
+}
+
+static uint32_t omap_mpuio_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+ uint16_t ret;
+
+ switch (offset) {
+ case 0x00: /* INPUT_LATCH */
+ return s->inputs;
+
+ case 0x04: /* OUTPUT_REG */
+ return s->outputs;
+
+ case 0x08: /* IO_CNTL */
+ return s->dir;
+
+ case 0x10: /* KBR_LATCH */
+ return s->row_latch;
+
+ case 0x14: /* KBC_REG */
+ return s->cols;
+
+ case 0x18: /* GPIO_EVENT_MODE_REG */
+ return s->event;
+
+ case 0x1c: /* GPIO_INT_EDGE_REG */
+ return s->edge;
+
+ case 0x20: /* KBD_INT */
+ return (~s->row_latch & 0x1f) && !s->kbd_mask;
+
+ case 0x24: /* GPIO_INT */
+ ret = s->ints;
+ s->ints &= s->mask;
+ if (ret)
+ qemu_irq_lower(s->irq);
+ return ret;
+
+ case 0x28: /* KBD_MASKIT */
+ return s->kbd_mask;
+
+ case 0x2c: /* GPIO_MASKIT */
+ return s->mask;
+
+ case 0x30: /* GPIO_DEBOUNCING_REG */
+ return s->debounce;
+
+ case 0x34: /* GPIO_LATCH_REG */
+ return s->latch;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_mpuio_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+ uint16_t diff;
+ int ln;
+
+ switch (offset) {
+ case 0x04: /* OUTPUT_REG */
+ diff = (s->outputs ^ value) & ~s->dir;
+ s->outputs = value;
+ while ((ln = ffs(diff))) {
+ ln --;
+ if (s->handler[ln])
+ qemu_set_irq(s->handler[ln], (value >> ln) & 1);
+ diff &= ~(1 << ln);
+ }
+ break;
+
+ case 0x08: /* IO_CNTL */
+ diff = s->outputs & (s->dir ^ value);
+ s->dir = value;
+
+ value = s->outputs & ~s->dir;
+ while ((ln = ffs(diff))) {
+ ln --;
+ if (s->handler[ln])
+ qemu_set_irq(s->handler[ln], (value >> ln) & 1);
+ diff &= ~(1 << ln);
+ }
+ break;
+
+ case 0x14: /* KBC_REG */
+ s->cols = value;
+ omap_mpuio_kbd_update(s);
+ break;
+
+ case 0x18: /* GPIO_EVENT_MODE_REG */
+ s->event = value & 0x1f;
+ break;
+
+ case 0x1c: /* GPIO_INT_EDGE_REG */
+ s->edge = value;
+ break;
+
+ case 0x28: /* KBD_MASKIT */
+ s->kbd_mask = value & 1;
+ omap_mpuio_kbd_update(s);
+ break;
+
+ case 0x2c: /* GPIO_MASKIT */
+ s->mask = value;
+ break;
+
+ case 0x30: /* GPIO_DEBOUNCING_REG */
+ s->debounce = value & 0x1ff;
+ break;
+
+ case 0x00: /* INPUT_LATCH */
+ case 0x10: /* KBR_LATCH */
+ case 0x20: /* KBD_INT */
+ case 0x24: /* GPIO_INT */
+ case 0x34: /* GPIO_LATCH_REG */
+ OMAP_RO_REG(addr);
+ return;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc *omap_mpuio_readfn[] = {
+ omap_badwidth_read16,
+ omap_mpuio_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_mpuio_writefn[] = {
+ omap_badwidth_write16,
+ omap_mpuio_write,
+ omap_badwidth_write16,
+};
+
+static void omap_mpuio_reset(struct omap_mpuio_s *s)
+{
+ s->inputs = 0;
+ s->outputs = 0;
+ s->dir = ~0;
+ s->event = 0;
+ s->edge = 0;
+ s->kbd_mask = 0;
+ s->mask = 0;
+ s->debounce = 0;
+ s->latch = 0;
+ s->ints = 0;
+ s->row_latch = 0x1f;
+ s->clk = 1;
+}
+
+static void omap_mpuio_onoff(void *opaque, int line, int on)
+{
+ struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
+
+ s->clk = on;
+ if (on)
+ omap_mpuio_kbd_update(s);
+}
+
+struct omap_mpuio_s *omap_mpuio_init(target_phys_addr_t base,
+ qemu_irq kbd_int, qemu_irq gpio_int, qemu_irq wakeup,
+ omap_clk clk)
+{
+ int iomemtype;
+ struct omap_mpuio_s *s = (struct omap_mpuio_s *)
+ qemu_mallocz(sizeof(struct omap_mpuio_s));
+
+ s->base = base;
+ s->irq = gpio_int;
+ s->kbd_irq = kbd_int;
+ s->wakeup = wakeup;
+ s->in = qemu_allocate_irqs(omap_mpuio_set, s, 16);
+ omap_mpuio_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_mpuio_readfn,
+ omap_mpuio_writefn, s);
+ cpu_register_physical_memory(s->base, 0x800, iomemtype);
+
+ omap_clk_adduser(clk, qemu_allocate_irqs(omap_mpuio_onoff, s, 1)[0]);
+
+ return s;
+}
+
+qemu_irq *omap_mpuio_in_get(struct omap_mpuio_s *s)
+{
+ return s->in;
+}
+
+void omap_mpuio_out_set(struct omap_mpuio_s *s, int line, qemu_irq handler)
+{
+ if (line >= 16 || line < 0)
+ cpu_abort(cpu_single_env, "%s: No GPIO line %i\n", __FUNCTION__, line);
+ s->handler[line] = handler;
+}
+
+void omap_mpuio_key(struct omap_mpuio_s *s, int row, int col, int down)
+{
+ if (row >= 5 || row < 0)
+ cpu_abort(cpu_single_env, "%s: No key %i-%i\n",
+ __FUNCTION__, col, row);
+
+ if (down)
+ s->buttons[row] |= 1 << col;
+ else
+ s->buttons[row] &= ~(1 << col);
+
+ omap_mpuio_kbd_update(s);
+}
+
+/* General-Purpose I/O */
+struct omap_gpio_s {
+ target_phys_addr_t base;
+ qemu_irq irq;
+ qemu_irq *in;
+ qemu_irq handler[16];
+
+ uint16_t inputs;
+ uint16_t outputs;
+ uint16_t dir;
+ uint16_t edge;
+ uint16_t mask;
+ uint16_t ints;
+ uint16_t pins;
+};
+
+static void omap_gpio_set(void *opaque, int line, int level)
+{
+ struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
+ uint16_t prev = s->inputs;
+
+ if (level)
+ s->inputs |= 1 << line;
+ else
+ s->inputs &= ~(1 << line);
+
+ if (((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) &
+ (1 << line) & s->dir & ~s->mask) {
+ s->ints |= 1 << line;
+ qemu_irq_raise(s->irq);
+ }
+}
+
+static uint32_t omap_gpio_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* DATA_INPUT */
+ return s->inputs & s->pins;
+
+ case 0x04: /* DATA_OUTPUT */
+ return s->outputs;
+
+ case 0x08: /* DIRECTION_CONTROL */
+ return s->dir;
+
+ case 0x0c: /* INTERRUPT_CONTROL */
+ return s->edge;
+
+ case 0x10: /* INTERRUPT_MASK */
+ return s->mask;
+
+ case 0x14: /* INTERRUPT_STATUS */
+ return s->ints;
+
+ case 0x18: /* PIN_CONTROL (not in OMAP310) */
+ OMAP_BAD_REG(addr);
+ return s->pins;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_gpio_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+ uint16_t diff;
+ int ln;
+
+ switch (offset) {
+ case 0x00: /* DATA_INPUT */
+ OMAP_RO_REG(addr);
+ return;
+
+ case 0x04: /* DATA_OUTPUT */
+ diff = (s->outputs ^ value) & ~s->dir;
+ s->outputs = value;
+ while ((ln = ffs(diff))) {
+ ln --;
+ if (s->handler[ln])
+ qemu_set_irq(s->handler[ln], (value >> ln) & 1);
+ diff &= ~(1 << ln);
+ }
+ break;
+
+ case 0x08: /* DIRECTION_CONTROL */
+ diff = s->outputs & (s->dir ^ value);
+ s->dir = value;
+
+ value = s->outputs & ~s->dir;
+ while ((ln = ffs(diff))) {
+ ln --;
+ if (s->handler[ln])
+ qemu_set_irq(s->handler[ln], (value >> ln) & 1);
+ diff &= ~(1 << ln);
+ }
+ break;
+
+ case 0x0c: /* INTERRUPT_CONTROL */
+ s->edge = value;
+ break;
+
+ case 0x10: /* INTERRUPT_MASK */
+ s->mask = value;
+ break;
+
+ case 0x14: /* INTERRUPT_STATUS */
+ s->ints &= ~value;
+ if (!s->ints)
+ qemu_irq_lower(s->irq);
+ break;
+
+ case 0x18: /* PIN_CONTROL (not in OMAP310 TRM) */
+ OMAP_BAD_REG(addr);
+ s->pins = value;
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+/* *Some* sources say the memory region is 32-bit. */
+static CPUReadMemoryFunc *omap_gpio_readfn[] = {
+ omap_badwidth_read16,
+ omap_gpio_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_gpio_writefn[] = {
+ omap_badwidth_write16,
+ omap_gpio_write,
+ omap_badwidth_write16,
+};
+
+static void omap_gpio_reset(struct omap_gpio_s *s)
+{
+ s->inputs = 0;
+ s->outputs = ~0;
+ s->dir = ~0;
+ s->edge = ~0;
+ s->mask = ~0;
+ s->ints = 0;
+ s->pins = ~0;
+}
+
+struct omap_gpio_s *omap_gpio_init(target_phys_addr_t base,
+ qemu_irq irq, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_gpio_s *s = (struct omap_gpio_s *)
+ qemu_mallocz(sizeof(struct omap_gpio_s));
+
+ s->base = base;
+ s->irq = irq;
+ s->in = qemu_allocate_irqs(omap_gpio_set, s, 16);
+ omap_gpio_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_gpio_readfn,
+ omap_gpio_writefn, s);
+ cpu_register_physical_memory(s->base, 0x1000, iomemtype);
+
+ return s;
+}
+
+qemu_irq *omap_gpio_in_get(struct omap_gpio_s *s)
+{
+ return s->in;
+}
+
+void omap_gpio_out_set(struct omap_gpio_s *s, int line, qemu_irq handler)
+{
+ if (line >= 16 || line < 0)
+ cpu_abort(cpu_single_env, "%s: No GPIO line %i\n", __FUNCTION__, line);
+ s->handler[line] = handler;
+}
+
+/* MicroWire Interface */
+struct omap_uwire_s {
+ target_phys_addr_t base;
+ qemu_irq txirq;
+ qemu_irq rxirq;
+ qemu_irq txdrq;
+
+ uint16_t txbuf;
+ uint16_t rxbuf;
+ uint16_t control;
+ uint16_t setup[5];
+
+ struct uwire_slave_s *chip[4];
+};
+
+static void omap_uwire_transfer_start(struct omap_uwire_s *s)
+{
+ int chipselect = (s->control >> 10) & 3; /* INDEX */
+ struct uwire_slave_s *slave = s->chip[chipselect];
+
+ if ((s->control >> 5) & 0x1f) { /* NB_BITS_WR */
+ if (s->control & (1 << 12)) /* CS_CMD */
+ if (slave && slave->send)
+ slave->send(slave->opaque,
+ s->txbuf >> (16 - ((s->control >> 5) & 0x1f)));
+ s->control &= ~(1 << 14); /* CSRB */
+ /* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or
+ * a DRQ. When is the level IRQ supposed to be reset? */
+ }
+
+ if ((s->control >> 0) & 0x1f) { /* NB_BITS_RD */
+ if (s->control & (1 << 12)) /* CS_CMD */
+ if (slave && slave->receive)
+ s->rxbuf = slave->receive(slave->opaque);
+ s->control |= 1 << 15; /* RDRB */
+ /* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or
+ * a DRQ. When is the level IRQ supposed to be reset? */
+ }
+}
+
+static uint32_t omap_uwire_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_uwire_s *s = (struct omap_uwire_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* RDR */
+ s->control &= ~(1 << 15); /* RDRB */
+ return s->rxbuf;
+
+ case 0x04: /* CSR */
+ return s->control;
+
+ case 0x08: /* SR1 */
+ return s->setup[0];
+ case 0x0c: /* SR2 */
+ return s->setup[1];
+ case 0x10: /* SR3 */
+ return s->setup[2];
+ case 0x14: /* SR4 */
+ return s->setup[3];
+ case 0x18: /* SR5 */
+ return s->setup[4];
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_uwire_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_uwire_s *s = (struct omap_uwire_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* TDR */
+ s->txbuf = value; /* TD */
+ if ((s->setup[4] & (1 << 2)) && /* AUTO_TX_EN */
+ ((s->setup[4] & (1 << 3)) || /* CS_TOGGLE_TX_EN */
+ (s->control & (1 << 12)))) { /* CS_CMD */
+ s->control |= 1 << 14; /* CSRB */
+ omap_uwire_transfer_start(s);
+ }
+ break;
+
+ case 0x04: /* CSR */
+ s->control = value & 0x1fff;
+ if (value & (1 << 13)) /* START */
+ omap_uwire_transfer_start(s);
+ break;
+
+ case 0x08: /* SR1 */
+ s->setup[0] = value & 0x003f;
+ break;
+
+ case 0x0c: /* SR2 */
+ s->setup[1] = value & 0x0fc0;
+ break;
+
+ case 0x10: /* SR3 */
+ s->setup[2] = value & 0x0003;
+ break;
+
+ case 0x14: /* SR4 */
+ s->setup[3] = value & 0x0001;
+ break;
+
+ case 0x18: /* SR5 */
+ s->setup[4] = value & 0x000f;
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc *omap_uwire_readfn[] = {
+ omap_badwidth_read16,
+ omap_uwire_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_uwire_writefn[] = {
+ omap_badwidth_write16,
+ omap_uwire_write,
+ omap_badwidth_write16,
+};
+
+static void omap_uwire_reset(struct omap_uwire_s *s)
+{
+ s->control = 0;
+ s->setup[0] = 0;
+ s->setup[1] = 0;
+ s->setup[2] = 0;
+ s->setup[3] = 0;
+ s->setup[4] = 0;
+}
+
+struct omap_uwire_s *omap_uwire_init(target_phys_addr_t base,
+ qemu_irq *irq, qemu_irq dma, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_uwire_s *s = (struct omap_uwire_s *)
+ qemu_mallocz(sizeof(struct omap_uwire_s));
+
+ s->base = base;
+ s->txirq = irq[0];
+ s->rxirq = irq[1];
+ s->txdrq = dma;
+ omap_uwire_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_uwire_readfn,
+ omap_uwire_writefn, s);
+ cpu_register_physical_memory(s->base, 0x800, iomemtype);
+
+ return s;
+}
+
+void omap_uwire_attach(struct omap_uwire_s *s,
+ struct uwire_slave_s *slave, int chipselect)
+{
+ if (chipselect < 0 || chipselect > 3)
+ cpu_abort(cpu_single_env, "%s: Bad chipselect %i\n", __FUNCTION__,
+ chipselect);
+
+ s->chip[chipselect] = slave;
+}
+
+/* Pseudonoise Pulse-Width Light Modulator */
+static void omap_pwl_update(struct omap_mpu_state_s *s)
+{
+ int output = (s->pwl.clk && s->pwl.enable) ? s->pwl.level : 0;
+
+ if (output != s->pwl.output) {
+ s->pwl.output = output;
+ printf("%s: Backlight now at %i/256\n", __FUNCTION__, output);
+ }
+}
+
+static uint32_t omap_pwl_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* PWL_LEVEL */
+ return s->pwl.level;
+ case 0x04: /* PWL_CTRL */
+ return s->pwl.enable;
+ }
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_pwl_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* PWL_LEVEL */
+ s->pwl.level = value;
+ omap_pwl_update(s);
+ break;
+ case 0x04: /* PWL_CTRL */
+ s->pwl.enable = value & 1;
+ omap_pwl_update(s);
+ break;
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc *omap_pwl_readfn[] = {
+ omap_pwl_read,
+ omap_badwidth_read8,
+ omap_badwidth_read8,
+};
+
+static CPUWriteMemoryFunc *omap_pwl_writefn[] = {
+ omap_pwl_write,
+ omap_badwidth_write8,
+ omap_badwidth_write8,
+};
+
+static void omap_pwl_reset(struct omap_mpu_state_s *s)
+{
+ s->pwl.output = 0;
+ s->pwl.level = 0;
+ s->pwl.enable = 0;
+ s->pwl.clk = 1;
+ omap_pwl_update(s);
+}
+
+static void omap_pwl_clk_update(void *opaque, int line, int on)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+
+ s->pwl.clk = on;
+ omap_pwl_update(s);
+}
+
+static void omap_pwl_init(target_phys_addr_t base, struct omap_mpu_state_s *s,
+ omap_clk clk)
+{
+ int iomemtype;
+
+ omap_pwl_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_pwl_readfn,
+ omap_pwl_writefn, s);
+ cpu_register_physical_memory(base, 0x800, iomemtype);
+
+ omap_clk_adduser(clk, qemu_allocate_irqs(omap_pwl_clk_update, s, 1)[0]);
+}
+
+/* Pulse-Width Tone module */
+static uint32_t omap_pwt_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* FRC */
+ return s->pwt.frc;
+ case 0x04: /* VCR */
+ return s->pwt.vrc;
+ case 0x08: /* GCR */
+ return s->pwt.gcr;
+ }
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_pwt_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* FRC */
+ s->pwt.frc = value & 0x3f;
+ break;
+ case 0x04: /* VRC */
+ if ((value ^ s->pwt.vrc) & 1) {
+ if (value & 1)
+ printf("%s: %iHz buzz on\n", __FUNCTION__, (int)
+ /* 1.5 MHz from a 12-MHz or 13-MHz PWT_CLK */
+ ((omap_clk_getrate(s->pwt.clk) >> 3) /
+ /* Pre-multiplexer divider */
+ ((s->pwt.gcr & 2) ? 1 : 154) /
+ /* Octave multiplexer */
+ (2 << (value & 3)) *
+ /* 101/107 divider */
+ ((value & (1 << 2)) ? 101 : 107) *
+ /* 49/55 divider */
+ ((value & (1 << 3)) ? 49 : 55) *
+ /* 50/63 divider */
+ ((value & (1 << 4)) ? 50 : 63) *
+ /* 80/127 divider */
+ ((value & (1 << 5)) ? 80 : 127) /
+ (107 * 55 * 63 * 127)));
+ else
+ printf("%s: silence!\n", __FUNCTION__);
+ }
+ s->pwt.vrc = value & 0x7f;
+ break;
+ case 0x08: /* GCR */
+ s->pwt.gcr = value & 3;
+ break;
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc *omap_pwt_readfn[] = {
+ omap_pwt_read,
+ omap_badwidth_read8,
+ omap_badwidth_read8,
+};
+
+static CPUWriteMemoryFunc *omap_pwt_writefn[] = {
+ omap_pwt_write,
+ omap_badwidth_write8,
+ omap_badwidth_write8,
+};
+
+static void omap_pwt_reset(struct omap_mpu_state_s *s)
+{
+ s->pwt.frc = 0;
+ s->pwt.vrc = 0;
+ s->pwt.gcr = 0;
+}
+
+static void omap_pwt_init(target_phys_addr_t base, struct omap_mpu_state_s *s,
+ omap_clk clk)
+{
+ int iomemtype;
+
+ s->pwt.clk = clk;
+ omap_pwt_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_pwt_readfn,
+ omap_pwt_writefn, s);
+ cpu_register_physical_memory(base, 0x800, iomemtype);
+}
+
+/* Real-time Clock module */
+struct omap_rtc_s {
+ target_phys_addr_t base;
+ qemu_irq irq;
+ qemu_irq alarm;
+ QEMUTimer *clk;
+
+ uint8_t interrupts;
+ uint8_t status;
+ int16_t comp_reg;
+ int running;
+ int pm_am;
+ int auto_comp;
+ int round;
+ struct tm alarm_tm;
+ time_t alarm_ti;
+
+ struct tm current_tm;
+ time_t ti;
+ uint64_t tick;
+};
+
+static void omap_rtc_interrupts_update(struct omap_rtc_s *s)
+{
+ /* s->alarm is level-triggered */
+ qemu_set_irq(s->alarm, (s->status >> 6) & 1);
+}
+
+static void omap_rtc_alarm_update(struct omap_rtc_s *s)
+{
+ s->alarm_ti = mktime(&s->alarm_tm);
+ if (s->alarm_ti == -1)
+ printf("%s: conversion failed\n", __FUNCTION__);
+}
+
+static inline uint8_t omap_rtc_bcd(int num)
+{
+ return ((num / 10) << 4) | (num % 10);
+}
+
+static inline int omap_rtc_bin(uint8_t num)
+{
+ return (num & 15) + 10 * (num >> 4);
+}
+
+static uint32_t omap_rtc_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_rtc_s *s = (struct omap_rtc_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+ uint8_t i;
+
+ switch (offset) {
+ case 0x00: /* SECONDS_REG */
+ return omap_rtc_bcd(s->current_tm.tm_sec);
+
+ case 0x04: /* MINUTES_REG */
+ return omap_rtc_bcd(s->current_tm.tm_min);
+
+ case 0x08: /* HOURS_REG */
+ if (s->pm_am)
+ return ((s->current_tm.tm_hour > 11) << 7) |
+ omap_rtc_bcd(((s->current_tm.tm_hour - 1) % 12) + 1);
+ else
+ return omap_rtc_bcd(s->current_tm.tm_hour);
+
+ case 0x0c: /* DAYS_REG */
+ return omap_rtc_bcd(s->current_tm.tm_mday);
+
+ case 0x10: /* MONTHS_REG */
+ return omap_rtc_bcd(s->current_tm.tm_mon + 1);
+
+ case 0x14: /* YEARS_REG */
+ return omap_rtc_bcd(s->current_tm.tm_year % 100);
+
+ case 0x18: /* WEEK_REG */
+ return s->current_tm.tm_wday;
+
+ case 0x20: /* ALARM_SECONDS_REG */
+ return omap_rtc_bcd(s->alarm_tm.tm_sec);
+
+ case 0x24: /* ALARM_MINUTES_REG */
+ return omap_rtc_bcd(s->alarm_tm.tm_min);
+
+ case 0x28: /* ALARM_HOURS_REG */
+ if (s->pm_am)
+ return ((s->alarm_tm.tm_hour > 11) << 7) |
+ omap_rtc_bcd(((s->alarm_tm.tm_hour - 1) % 12) + 1);
+ else
+ return omap_rtc_bcd(s->alarm_tm.tm_hour);
+
+ case 0x2c: /* ALARM_DAYS_REG */
+ return omap_rtc_bcd(s->alarm_tm.tm_mday);
+
+ case 0x30: /* ALARM_MONTHS_REG */
+ return omap_rtc_bcd(s->alarm_tm.tm_mon + 1);
+
+ case 0x34: /* ALARM_YEARS_REG */
+ return omap_rtc_bcd(s->alarm_tm.tm_year % 100);
+
+ case 0x40: /* RTC_CTRL_REG */
+ return (s->pm_am << 3) | (s->auto_comp << 2) |
+ (s->round << 1) | s->running;
+
+ case 0x44: /* RTC_STATUS_REG */
+ i = s->status;
+ s->status &= ~0x3d;
+ return i;
+
+ case 0x48: /* RTC_INTERRUPTS_REG */
+ return s->interrupts;
+
+ case 0x4c: /* RTC_COMP_LSB_REG */
+ return ((uint16_t) s->comp_reg) & 0xff;
+
+ case 0x50: /* RTC_COMP_MSB_REG */
+ return ((uint16_t) s->comp_reg) >> 8;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_rtc_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_rtc_s *s = (struct omap_rtc_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+ struct tm new_tm;
+ time_t ti[2];
+
+ switch (offset) {
+ case 0x00: /* SECONDS_REG */
+#if ALMDEBUG
+ printf("RTC SEC_REG <-- %02x\n", value);
+#endif
+ s->ti -= s->current_tm.tm_sec;
+ s->ti += omap_rtc_bin(value);
+ return;
+
+ case 0x04: /* MINUTES_REG */
+#if ALMDEBUG
+ printf("RTC MIN_REG <-- %02x\n", value);
+#endif
+ s->ti -= s->current_tm.tm_min * 60;
+ s->ti += omap_rtc_bin(value) * 60;
+ return;
+
+ case 0x08: /* HOURS_REG */
+#if ALMDEBUG
+ printf("RTC HRS_REG <-- %02x\n", value);
+#endif
+ s->ti -= s->current_tm.tm_hour * 3600;
+ if (s->pm_am) {
+ s->ti += (omap_rtc_bin(value & 0x3f) & 12) * 3600;
+ s->ti += ((value >> 7) & 1) * 43200;
+ } else
+ s->ti += omap_rtc_bin(value & 0x3f) * 3600;
+ return;
+
+ case 0x0c: /* DAYS_REG */
+#if ALMDEBUG
+ printf("RTC DAY_REG <-- %02x\n", value);
+#endif
+ s->ti -= s->current_tm.tm_mday * 86400;
+ s->ti += omap_rtc_bin(value) * 86400;
+ return;
+
+ case 0x10: /* MONTHS_REG */
+#if ALMDEBUG
+ printf("RTC MTH_REG <-- %02x\n", value);
+#endif
+ memcpy(&new_tm, &s->current_tm, sizeof(new_tm));
+ new_tm.tm_mon = omap_rtc_bin(value);
+ ti[0] = mktime(&s->current_tm);
+ ti[1] = mktime(&new_tm);
+
+ if (ti[0] != -1 && ti[1] != -1) {
+ s->ti -= ti[0];
+ s->ti += ti[1];
+ } else {
+ /* A less accurate version */
+ s->ti -= s->current_tm.tm_mon * 2592000;
+ s->ti += omap_rtc_bin(value) * 2592000;
+ }
+ return;
+
+ case 0x14: /* YEARS_REG */
+#if ALMDEBUG
+ printf("RTC YRS_REG <-- %02x\n", value);
+#endif
+ memcpy(&new_tm, &s->current_tm, sizeof(new_tm));
+ new_tm.tm_year += omap_rtc_bin(value) - (new_tm.tm_year % 100);
+ ti[0] = mktime(&s->current_tm);
+ ti[1] = mktime(&new_tm);
+
+ if (ti[0] != -1 && ti[1] != -1) {
+ s->ti -= ti[0];
+ s->ti += ti[1];
+ } else {
+ /* A less accurate version */
+ s->ti -= (s->current_tm.tm_year % 100) * 31536000;
+ s->ti += omap_rtc_bin(value) * 31536000;
+ }
+ return;
+
+ case 0x18: /* WEEK_REG */
+ return; /* Ignored */
+
+ case 0x20: /* ALARM_SECONDS_REG */
+#if ALMDEBUG
+ printf("ALM SEC_REG <-- %02x\n", value);
+#endif
+ s->alarm_tm.tm_sec = omap_rtc_bin(value);
+ omap_rtc_alarm_update(s);
+ return;
+
+ case 0x24: /* ALARM_MINUTES_REG */
+#if ALMDEBUG
+ printf("ALM MIN_REG <-- %02x\n", value);
+#endif
+ s->alarm_tm.tm_min = omap_rtc_bin(value);
+ omap_rtc_alarm_update(s);
+ return;
+
+ case 0x28: /* ALARM_HOURS_REG */
+#if ALMDEBUG
+ printf("ALM HRS_REG <-- %02x\n", value);
+#endif
+ if (s->pm_am)
+ s->alarm_tm.tm_hour =
+ ((omap_rtc_bin(value & 0x3f)) % 12) +
+ ((value >> 7) & 1) * 12;
+ else
+ s->alarm_tm.tm_hour = omap_rtc_bin(value);
+ omap_rtc_alarm_update(s);
+ return;
+
+ case 0x2c: /* ALARM_DAYS_REG */
+#if ALMDEBUG
+ printf("ALM DAY_REG <-- %02x\n", value);
+#endif
+ s->alarm_tm.tm_mday = omap_rtc_bin(value);
+ omap_rtc_alarm_update(s);
+ return;
+
+ case 0x30: /* ALARM_MONTHS_REG */
+#if ALMDEBUG
+ printf("ALM MON_REG <-- %02x\n", value);
+#endif
+ s->alarm_tm.tm_mon = omap_rtc_bin(value);
+ omap_rtc_alarm_update(s);
+ return;
+
+ case 0x34: /* ALARM_YEARS_REG */
+#if ALMDEBUG
+ printf("ALM YRS_REG <-- %02x\n", value);
+#endif
+ s->alarm_tm.tm_year = omap_rtc_bin(value);
+ omap_rtc_alarm_update(s);
+ return;
+
+ case 0x40: /* RTC_CTRL_REG */
+#if ALMDEBUG
+ printf("RTC CONTROL <-- %02x\n", value);
+#endif
+ s->pm_am = (value >> 3) & 1;
+ s->auto_comp = (value >> 2) & 1;
+ s->round = (value >> 1) & 1;
+ s->running = value & 1;
+ s->status &= 0xfd;
+ s->status |= s->running << 1;
+ return;
+
+ case 0x44: /* RTC_STATUS_REG */
+#if ALMDEBUG
+ printf("RTC STATUSL <-- %02x\n", value);
+#endif
+ s->status &= ~((value & 0xc0) ^ 0x80);
+ omap_rtc_interrupts_update(s);
+ return;
+
+ case 0x48: /* RTC_INTERRUPTS_REG */
+#if ALMDEBUG
+ printf("RTC INTRS <-- %02x\n", value);
+#endif
+ s->interrupts = value;
+ return;
+
+ case 0x4c: /* RTC_COMP_LSB_REG */
+#if ALMDEBUG
+ printf("RTC COMPLSB <-- %02x\n", value);
+#endif
+ s->comp_reg &= 0xff00;
+ s->comp_reg |= 0x00ff & value;
+ return;
+
+ case 0x50: /* RTC_COMP_MSB_REG */
+#if ALMDEBUG
+ printf("RTC COMPMSB <-- %02x\n", value);
+#endif
+ s->comp_reg &= 0x00ff;
+ s->comp_reg |= 0xff00 & (value << 8);
+ return;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc *omap_rtc_readfn[] = {
+ omap_rtc_read,
+ omap_badwidth_read8,
+ omap_badwidth_read8,
+};
+
+static CPUWriteMemoryFunc *omap_rtc_writefn[] = {
+ omap_rtc_write,
+ omap_badwidth_write8,
+ omap_badwidth_write8,
+};
+
+static void omap_rtc_tick(void *opaque)
+{
+ struct omap_rtc_s *s = opaque;
+
+ if (s->round) {
+ /* Round to nearest full minute. */
+ if (s->current_tm.tm_sec < 30)
+ s->ti -= s->current_tm.tm_sec;
+ else
+ s->ti += 60 - s->current_tm.tm_sec;
+
+ s->round = 0;
+ }
+
+ memcpy(&s->current_tm, localtime(&s->ti), sizeof(s->current_tm));
+
+ if ((s->interrupts & 0x08) && s->ti == s->alarm_ti) {
+ s->status |= 0x40;
+ omap_rtc_interrupts_update(s);
+ }
+
+ if (s->interrupts & 0x04)
+ switch (s->interrupts & 3) {
+ case 0:
+ s->status |= 0x04;
+ qemu_irq_pulse(s->irq);
+ break;
+ case 1:
+ if (s->current_tm.tm_sec)
+ break;
+ s->status |= 0x08;
+ qemu_irq_pulse(s->irq);
+ break;
+ case 2:
+ if (s->current_tm.tm_sec || s->current_tm.tm_min)
+ break;
+ s->status |= 0x10;
+ qemu_irq_pulse(s->irq);
+ break;
+ case 3:
+ if (s->current_tm.tm_sec ||
+ s->current_tm.tm_min || s->current_tm.tm_hour)
+ break;
+ s->status |= 0x20;
+ qemu_irq_pulse(s->irq);
+ break;
+ }
+
+ /* Move on */
+ if (s->running)
+ s->ti ++;
+ s->tick += 1000;
+
+ /*
+ * Every full hour add a rough approximation of the compensation
+ * register to the 32kHz Timer (which drives the RTC) value.
+ */
+ if (s->auto_comp && !s->current_tm.tm_sec && !s->current_tm.tm_min)
+ s->tick += s->comp_reg * 1000 / 32768;
+
+ qemu_mod_timer(s->clk, s->tick);
+}
+
+static void omap_rtc_reset(struct omap_rtc_s *s)
+{
+ struct tm tm;
+
+ s->interrupts = 0;
+ s->comp_reg = 0;
+ s->running = 0;
+ s->pm_am = 0;
+ s->auto_comp = 0;
+ s->round = 0;
+ s->tick = qemu_get_clock(rt_clock);
+ memset(&s->alarm_tm, 0, sizeof(s->alarm_tm));
+ s->alarm_tm.tm_mday = 0x01;
+ s->status = 1 << 7;
+ qemu_get_timedate(&tm, 0);
+ s->ti = mktime(&tm);
+
+ omap_rtc_alarm_update(s);
+ omap_rtc_tick(s);
+}
+
+struct omap_rtc_s *omap_rtc_init(target_phys_addr_t base,
+ qemu_irq *irq, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_rtc_s *s = (struct omap_rtc_s *)
+ qemu_mallocz(sizeof(struct omap_rtc_s));
+
+ s->base = base;
+ s->irq = irq[0];
+ s->alarm = irq[1];
+ s->clk = qemu_new_timer(rt_clock, omap_rtc_tick, s);
+
+ omap_rtc_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_rtc_readfn,
+ omap_rtc_writefn, s);
+ cpu_register_physical_memory(s->base, 0x800, iomemtype);
+
+ return s;
+}
+
+/* Multi-channel Buffered Serial Port interfaces */
+struct omap_mcbsp_s {
+ target_phys_addr_t base;
+ qemu_irq txirq;
+ qemu_irq rxirq;
+ qemu_irq txdrq;
+ qemu_irq rxdrq;
+
+ uint16_t spcr[2];
+ uint16_t rcr[2];
+ uint16_t xcr[2];
+ uint16_t srgr[2];
+ uint16_t mcr[2];
+ uint16_t pcr;
+ uint16_t rcer[8];
+ uint16_t xcer[8];
+ int tx_rate;
+ int rx_rate;
+ int tx_req;
+ int rx_req;
+
+ struct i2s_codec_s *codec;
+ QEMUTimer *source_timer;
+ QEMUTimer *sink_timer;
+};
+
+static void omap_mcbsp_intr_update(struct omap_mcbsp_s *s)
+{
+ int irq;
+
+ switch ((s->spcr[0] >> 4) & 3) { /* RINTM */
+ case 0:
+ irq = (s->spcr[0] >> 1) & 1; /* RRDY */
+ break;
+ case 3:
+ irq = (s->spcr[0] >> 3) & 1; /* RSYNCERR */
+ break;
+ default:
+ irq = 0;
+ break;
+ }
+
+ if (irq)
+ qemu_irq_pulse(s->rxirq);
+
+ switch ((s->spcr[1] >> 4) & 3) { /* XINTM */
+ case 0:
+ irq = (s->spcr[1] >> 1) & 1; /* XRDY */
+ break;
+ case 3:
+ irq = (s->spcr[1] >> 3) & 1; /* XSYNCERR */
+ break;
+ default:
+ irq = 0;
+ break;
+ }
+
+ if (irq)
+ qemu_irq_pulse(s->txirq);
+}
+
+static void omap_mcbsp_rx_newdata(struct omap_mcbsp_s *s)
+{
+ if ((s->spcr[0] >> 1) & 1) /* RRDY */
+ s->spcr[0] |= 1 << 2; /* RFULL */
+ s->spcr[0] |= 1 << 1; /* RRDY */
+ qemu_irq_raise(s->rxdrq);
+ omap_mcbsp_intr_update(s);
+}
+
+static void omap_mcbsp_source_tick(void *opaque)
+{
+ struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
+ static const int bps[8] = { 0, 1, 1, 2, 2, 2, -255, -255 };
+
+ if (!s->rx_rate)
+ return;
+ if (s->rx_req)
+ printf("%s: Rx FIFO overrun\n", __FUNCTION__);
+
+ s->rx_req = s->rx_rate << bps[(s->rcr[0] >> 5) & 7];
+
+ omap_mcbsp_rx_newdata(s);
+ qemu_mod_timer(s->source_timer, qemu_get_clock(vm_clock) + ticks_per_sec);
+}
+
+static void omap_mcbsp_rx_start(struct omap_mcbsp_s *s)
+{
+ if (!s->codec || !s->codec->rts)
+ omap_mcbsp_source_tick(s);
+ else if (s->codec->in.len) {
+ s->rx_req = s->codec->in.len;
+ omap_mcbsp_rx_newdata(s);
+ }
+}
+
+static void omap_mcbsp_rx_stop(struct omap_mcbsp_s *s)
+{
+ qemu_del_timer(s->source_timer);
+}
+
+static void omap_mcbsp_rx_done(struct omap_mcbsp_s *s)
+{
+ s->spcr[0] &= ~(1 << 1); /* RRDY */
+ qemu_irq_lower(s->rxdrq);
+ omap_mcbsp_intr_update(s);
+}
+
+static void omap_mcbsp_tx_newdata(struct omap_mcbsp_s *s)
+{
+ s->spcr[1] |= 1 << 1; /* XRDY */
+ qemu_irq_raise(s->txdrq);
+ omap_mcbsp_intr_update(s);
+}
+
+static void omap_mcbsp_sink_tick(void *opaque)
+{
+ struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
+ static const int bps[8] = { 0, 1, 1, 2, 2, 2, -255, -255 };
+
+ if (!s->tx_rate)
+ return;
+ if (s->tx_req)
+ printf("%s: Tx FIFO underrun\n", __FUNCTION__);
+
+ s->tx_req = s->tx_rate << bps[(s->xcr[0] >> 5) & 7];
+
+ omap_mcbsp_tx_newdata(s);
+ qemu_mod_timer(s->sink_timer, qemu_get_clock(vm_clock) + ticks_per_sec);
+}
+
+static void omap_mcbsp_tx_start(struct omap_mcbsp_s *s)
+{
+ if (!s->codec || !s->codec->cts)
+ omap_mcbsp_sink_tick(s);
+ else if (s->codec->out.size) {
+ s->tx_req = s->codec->out.size;
+ omap_mcbsp_tx_newdata(s);
+ }
+}
+
+static void omap_mcbsp_tx_done(struct omap_mcbsp_s *s)
+{
+ s->spcr[1] &= ~(1 << 1); /* XRDY */
+ qemu_irq_lower(s->txdrq);
+ omap_mcbsp_intr_update(s);
+ if (s->codec && s->codec->cts)
+ s->codec->tx_swallow(s->codec->opaque);
+}
+
+static void omap_mcbsp_tx_stop(struct omap_mcbsp_s *s)
+{
+ s->tx_req = 0;
+ omap_mcbsp_tx_done(s);
+ qemu_del_timer(s->sink_timer);
+}
+
+static void omap_mcbsp_req_update(struct omap_mcbsp_s *s)
+{
+ int prev_rx_rate, prev_tx_rate;
+ int rx_rate = 0, tx_rate = 0;
+ int cpu_rate = 1500000; /* XXX */
+
+ /* TODO: check CLKSTP bit */
+ if (s->spcr[1] & (1 << 6)) { /* GRST */
+ if (s->spcr[0] & (1 << 0)) { /* RRST */
+ if ((s->srgr[1] & (1 << 13)) && /* CLKSM */
+ (s->pcr & (1 << 8))) { /* CLKRM */
+ if (~s->pcr & (1 << 7)) /* SCLKME */
+ rx_rate = cpu_rate /
+ ((s->srgr[0] & 0xff) + 1); /* CLKGDV */
+ } else
+ if (s->codec)
+ rx_rate = s->codec->rx_rate;
+ }
+
+ if (s->spcr[1] & (1 << 0)) { /* XRST */
+ if ((s->srgr[1] & (1 << 13)) && /* CLKSM */
+ (s->pcr & (1 << 9))) { /* CLKXM */
+ if (~s->pcr & (1 << 7)) /* SCLKME */
+ tx_rate = cpu_rate /
+ ((s->srgr[0] & 0xff) + 1); /* CLKGDV */
+ } else
+ if (s->codec)
+ tx_rate = s->codec->tx_rate;
+ }
+ }
+ prev_tx_rate = s->tx_rate;
+ prev_rx_rate = s->rx_rate;
+ s->tx_rate = tx_rate;
+ s->rx_rate = rx_rate;
+
+ if (s->codec)
+ s->codec->set_rate(s->codec->opaque, rx_rate, tx_rate);
+
+ if (!prev_tx_rate && tx_rate)
+ omap_mcbsp_tx_start(s);
+ else if (s->tx_rate && !tx_rate)
+ omap_mcbsp_tx_stop(s);
+
+ if (!prev_rx_rate && rx_rate)
+ omap_mcbsp_rx_start(s);
+ else if (prev_tx_rate && !tx_rate)
+ omap_mcbsp_rx_stop(s);
+}
+
+static uint32_t omap_mcbsp_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+ uint16_t ret;
+
+ switch (offset) {
+ case 0x00: /* DRR2 */
+ if (((s->rcr[0] >> 5) & 7) < 3) /* RWDLEN1 */
+ return 0x0000;
+ /* Fall through. */
+ case 0x02: /* DRR1 */
+ if (s->rx_req < 2) {
+ printf("%s: Rx FIFO underrun\n", __FUNCTION__);
+ omap_mcbsp_rx_done(s);
+ } else {
+ s->tx_req -= 2;
+ if (s->codec && s->codec->in.len >= 2) {
+ ret = s->codec->in.fifo[s->codec->in.start ++] << 8;
+ ret |= s->codec->in.fifo[s->codec->in.start ++];
+ s->codec->in.len -= 2;
+ } else
+ ret = 0x0000;
+ if (!s->tx_req)
+ omap_mcbsp_rx_done(s);
+ return ret;
+ }
+ return 0x0000;
+
+ case 0x04: /* DXR2 */
+ case 0x06: /* DXR1 */
+ return 0x0000;
+
+ case 0x08: /* SPCR2 */
+ return s->spcr[1];
+ case 0x0a: /* SPCR1 */
+ return s->spcr[0];
+ case 0x0c: /* RCR2 */
+ return s->rcr[1];
+ case 0x0e: /* RCR1 */
+ return s->rcr[0];
+ case 0x10: /* XCR2 */
+ return s->xcr[1];
+ case 0x12: /* XCR1 */
+ return s->xcr[0];
+ case 0x14: /* SRGR2 */
+ return s->srgr[1];
+ case 0x16: /* SRGR1 */
+ return s->srgr[0];
+ case 0x18: /* MCR2 */
+ return s->mcr[1];
+ case 0x1a: /* MCR1 */
+ return s->mcr[0];
+ case 0x1c: /* RCERA */
+ return s->rcer[0];
+ case 0x1e: /* RCERB */
+ return s->rcer[1];
+ case 0x20: /* XCERA */
+ return s->xcer[0];
+ case 0x22: /* XCERB */
+ return s->xcer[1];
+ case 0x24: /* PCR0 */
+ return s->pcr;
+ case 0x26: /* RCERC */
+ return s->rcer[2];
+ case 0x28: /* RCERD */
+ return s->rcer[3];
+ case 0x2a: /* XCERC */
+ return s->xcer[2];
+ case 0x2c: /* XCERD */
+ return s->xcer[3];
+ case 0x2e: /* RCERE */
+ return s->rcer[4];
+ case 0x30: /* RCERF */
+ return s->rcer[5];
+ case 0x32: /* XCERE */
+ return s->xcer[4];
+ case 0x34: /* XCERF */
+ return s->xcer[5];
+ case 0x36: /* RCERG */
+ return s->rcer[6];
+ case 0x38: /* RCERH */
+ return s->rcer[7];
+ case 0x3a: /* XCERG */
+ return s->xcer[6];
+ case 0x3c: /* XCERH */
+ return s->xcer[7];
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_mcbsp_writeh(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* DRR2 */
+ case 0x02: /* DRR1 */
+ OMAP_RO_REG(addr);
+ return;
+
+ case 0x04: /* DXR2 */
+ if (((s->xcr[0] >> 5) & 7) < 3) /* XWDLEN1 */
+ return;
+ /* Fall through. */
+ case 0x06: /* DXR1 */
+ if (s->tx_req > 1) {
+ s->tx_req -= 2;
+ if (s->codec && s->codec->cts) {
+ s->codec->out.fifo[s->codec->out.len ++] = (value >> 8) & 0xff;
+ s->codec->out.fifo[s->codec->out.len ++] = (value >> 0) & 0xff;
+ }
+ if (s->tx_req < 2)
+ omap_mcbsp_tx_done(s);
+ } else
+ printf("%s: Tx FIFO overrun\n", __FUNCTION__);
+ return;
+
+ case 0x08: /* SPCR2 */
+ s->spcr[1] &= 0x0002;
+ s->spcr[1] |= 0x03f9 & value;
+ s->spcr[1] |= 0x0004 & (value << 2); /* XEMPTY := XRST */
+ if (~value & 1) /* XRST */
+ s->spcr[1] &= ~6;
+ omap_mcbsp_req_update(s);
+ return;
+ case 0x0a: /* SPCR1 */
+ s->spcr[0] &= 0x0006;
+ s->spcr[0] |= 0xf8f9 & value;
+ if (value & (1 << 15)) /* DLB */
+ printf("%s: Digital Loopback mode enable attempt\n", __FUNCTION__);
+ if (~value & 1) { /* RRST */
+ s->spcr[0] &= ~6;
+ s->rx_req = 0;
+ omap_mcbsp_rx_done(s);
+ }
+ omap_mcbsp_req_update(s);
+ return;
+
+ case 0x0c: /* RCR2 */
+ s->rcr[1] = value & 0xffff;
+ return;
+ case 0x0e: /* RCR1 */
+ s->rcr[0] = value & 0x7fe0;
+ return;
+ case 0x10: /* XCR2 */
+ s->xcr[1] = value & 0xffff;
+ return;
+ case 0x12: /* XCR1 */
+ s->xcr[0] = value & 0x7fe0;
+ return;
+ case 0x14: /* SRGR2 */
+ s->srgr[1] = value & 0xffff;
+ omap_mcbsp_req_update(s);
+ return;
+ case 0x16: /* SRGR1 */
+ s->srgr[0] = value & 0xffff;
+ omap_mcbsp_req_update(s);
+ return;
+ case 0x18: /* MCR2 */
+ s->mcr[1] = value & 0x03e3;
+ if (value & 3) /* XMCM */
+ printf("%s: Tx channel selection mode enable attempt\n",
+ __FUNCTION__);
+ return;
+ case 0x1a: /* MCR1 */
+ s->mcr[0] = value & 0x03e1;
+ if (value & 1) /* RMCM */
+ printf("%s: Rx channel selection mode enable attempt\n",
+ __FUNCTION__);
+ return;
+ case 0x1c: /* RCERA */
+ s->rcer[0] = value & 0xffff;
+ return;
+ case 0x1e: /* RCERB */
+ s->rcer[1] = value & 0xffff;
+ return;
+ case 0x20: /* XCERA */
+ s->xcer[0] = value & 0xffff;
+ return;
+ case 0x22: /* XCERB */
+ s->xcer[1] = value & 0xffff;
+ return;
+ case 0x24: /* PCR0 */
+ s->pcr = value & 0x7faf;
+ return;
+ case 0x26: /* RCERC */
+ s->rcer[2] = value & 0xffff;
+ return;
+ case 0x28: /* RCERD */
+ s->rcer[3] = value & 0xffff;
+ return;
+ case 0x2a: /* XCERC */
+ s->xcer[2] = value & 0xffff;
+ return;
+ case 0x2c: /* XCERD */
+ s->xcer[3] = value & 0xffff;
+ return;
+ case 0x2e: /* RCERE */
+ s->rcer[4] = value & 0xffff;
+ return;
+ case 0x30: /* RCERF */
+ s->rcer[5] = value & 0xffff;
+ return;
+ case 0x32: /* XCERE */
+ s->xcer[4] = value & 0xffff;
+ return;
+ case 0x34: /* XCERF */
+ s->xcer[5] = value & 0xffff;
+ return;
+ case 0x36: /* RCERG */
+ s->rcer[6] = value & 0xffff;
+ return;
+ case 0x38: /* RCERH */
+ s->rcer[7] = value & 0xffff;
+ return;
+ case 0x3a: /* XCERG */
+ s->xcer[6] = value & 0xffff;
+ return;
+ case 0x3c: /* XCERH */
+ s->xcer[7] = value & 0xffff;
+ return;
+ }
+
+ OMAP_BAD_REG(addr);
+}
+
+static void omap_mcbsp_writew(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ if (offset == 0x04) { /* DXR */
+ if (((s->xcr[0] >> 5) & 7) < 3) /* XWDLEN1 */
+ return;
+ if (s->tx_req > 3) {
+ s->tx_req -= 4;
+ if (s->codec && s->codec->cts) {
+ s->codec->out.fifo[s->codec->out.len ++] =
+ (value >> 24) & 0xff;
+ s->codec->out.fifo[s->codec->out.len ++] =
+ (value >> 16) & 0xff;
+ s->codec->out.fifo[s->codec->out.len ++] =
+ (value >> 8) & 0xff;
+ s->codec->out.fifo[s->codec->out.len ++] =
+ (value >> 0) & 0xff;
+ }
+ if (s->tx_req < 4)
+ omap_mcbsp_tx_done(s);
+ } else
+ printf("%s: Tx FIFO overrun\n", __FUNCTION__);
+ return;
+ }
+
+ omap_badwidth_write16(opaque, addr, value);
+}
+
+static CPUReadMemoryFunc *omap_mcbsp_readfn[] = {
+ omap_badwidth_read16,
+ omap_mcbsp_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_mcbsp_writefn[] = {
+ omap_badwidth_write16,
+ omap_mcbsp_writeh,
+ omap_mcbsp_writew,
+};
+
+static void omap_mcbsp_reset(struct omap_mcbsp_s *s)
+{
+ memset(&s->spcr, 0, sizeof(s->spcr));
+ memset(&s->rcr, 0, sizeof(s->rcr));
+ memset(&s->xcr, 0, sizeof(s->xcr));
+ s->srgr[0] = 0x0001;
+ s->srgr[1] = 0x2000;
+ memset(&s->mcr, 0, sizeof(s->mcr));
+ memset(&s->pcr, 0, sizeof(s->pcr));
+ memset(&s->rcer, 0, sizeof(s->rcer));
+ memset(&s->xcer, 0, sizeof(s->xcer));
+ s->tx_req = 0;
+ s->rx_req = 0;
+ s->tx_rate = 0;
+ s->rx_rate = 0;
+ qemu_del_timer(s->source_timer);
+ qemu_del_timer(s->sink_timer);
+}
+
+struct omap_mcbsp_s *omap_mcbsp_init(target_phys_addr_t base,
+ qemu_irq *irq, qemu_irq *dma, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_mcbsp_s *s = (struct omap_mcbsp_s *)
+ qemu_mallocz(sizeof(struct omap_mcbsp_s));
+
+ s->base = base;
+ s->txirq = irq[0];
+ s->rxirq = irq[1];
+ s->txdrq = dma[0];
+ s->rxdrq = dma[1];
+ s->sink_timer = qemu_new_timer(vm_clock, omap_mcbsp_sink_tick, s);
+ s->source_timer = qemu_new_timer(vm_clock, omap_mcbsp_source_tick, s);
+ omap_mcbsp_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_mcbsp_readfn,
+ omap_mcbsp_writefn, s);
+ cpu_register_physical_memory(s->base, 0x800, iomemtype);
+
+ return s;
+}
+
+static void omap_mcbsp_i2s_swallow(void *opaque, int line, int level)
+{
+ struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
+
+ if (s->rx_rate) {
+ s->rx_req = s->codec->in.len;
+ omap_mcbsp_rx_newdata(s);
+ }
+}
+
+static void omap_mcbsp_i2s_start(void *opaque, int line, int level)
+{
+ struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
+
+ if (s->tx_rate) {
+ s->tx_req = s->codec->out.size;
+ omap_mcbsp_tx_newdata(s);
+ }
+}
+
+void omap_mcbsp_i2s_attach(struct omap_mcbsp_s *s, struct i2s_codec_s *slave)
+{
+ s->codec = slave;
+ slave->rx_swallow = qemu_allocate_irqs(omap_mcbsp_i2s_swallow, s, 1)[0];
+ slave->tx_start = qemu_allocate_irqs(omap_mcbsp_i2s_start, s, 1)[0];
+}
+
+/* LED Pulse Generators */
+struct omap_lpg_s {
+ target_phys_addr_t base;
+ QEMUTimer *tm;
+
+ uint8_t control;
+ uint8_t power;
+ int64_t on;
+ int64_t period;
+ int clk;
+ int cycle;
+};
+
+static void omap_lpg_tick(void *opaque)
+{
+ struct omap_lpg_s *s = opaque;
+
+ if (s->cycle)
+ qemu_mod_timer(s->tm, qemu_get_clock(rt_clock) + s->period - s->on);
+ else
+ qemu_mod_timer(s->tm, qemu_get_clock(rt_clock) + s->on);
+
+ s->cycle = !s->cycle;
+ printf("%s: LED is %s\n", __FUNCTION__, s->cycle ? "on" : "off");
+}
+
+static void omap_lpg_update(struct omap_lpg_s *s)
+{
+ int64_t on, period = 1, ticks = 1000;
+ static const int per[8] = { 1, 2, 4, 8, 12, 16, 20, 24 };
+
+ if (~s->control & (1 << 6)) /* LPGRES */
+ on = 0;
+ else if (s->control & (1 << 7)) /* PERM_ON */
+ on = period;
+ else {
+ period = muldiv64(ticks, per[s->control & 7], /* PERCTRL */
+ 256 / 32);
+ on = (s->clk && s->power) ? muldiv64(ticks,
+ per[(s->control >> 3) & 7], 256) : 0; /* ONCTRL */
+ }
+
+ qemu_del_timer(s->tm);
+ if (on == period && s->on < s->period)
+ printf("%s: LED is on\n", __FUNCTION__);
+ else if (on == 0 && s->on)
+ printf("%s: LED is off\n", __FUNCTION__);
+ else if (on && (on != s->on || period != s->period)) {
+ s->cycle = 0;
+ s->on = on;
+ s->period = period;
+ omap_lpg_tick(s);
+ return;
+ }
+
+ s->on = on;
+ s->period = period;
+}
+
+static void omap_lpg_reset(struct omap_lpg_s *s)
+{
+ s->control = 0x00;
+ s->power = 0x00;
+ s->clk = 1;
+ omap_lpg_update(s);
+}
+
+static uint32_t omap_lpg_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_lpg_s *s = (struct omap_lpg_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* LCR */
+ return s->control;
+
+ case 0x04: /* PMR */
+ return s->power;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_lpg_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_lpg_s *s = (struct omap_lpg_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* LCR */
+ if (~value & (1 << 6)) /* LPGRES */
+ omap_lpg_reset(s);
+ s->control = value & 0xff;
+ omap_lpg_update(s);
+ return;
+
+ case 0x04: /* PMR */
+ s->power = value & 0x01;
+ omap_lpg_update(s);
+ return;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc *omap_lpg_readfn[] = {
+ omap_lpg_read,
+ omap_badwidth_read8,
+ omap_badwidth_read8,
+};
+
+static CPUWriteMemoryFunc *omap_lpg_writefn[] = {
+ omap_lpg_write,
+ omap_badwidth_write8,
+ omap_badwidth_write8,
+};
+
+static void omap_lpg_clk_update(void *opaque, int line, int on)
+{
+ struct omap_lpg_s *s = (struct omap_lpg_s *) opaque;
+
+ s->clk = on;
+ omap_lpg_update(s);
+}
+
+struct omap_lpg_s *omap_lpg_init(target_phys_addr_t base, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_lpg_s *s = (struct omap_lpg_s *)
+ qemu_mallocz(sizeof(struct omap_lpg_s));
+
+ s->base = base;
+ s->tm = qemu_new_timer(rt_clock, omap_lpg_tick, s);
+
+ omap_lpg_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_lpg_readfn,
+ omap_lpg_writefn, s);
+ cpu_register_physical_memory(s->base, 0x800, iomemtype);
+
+ omap_clk_adduser(clk, qemu_allocate_irqs(omap_lpg_clk_update, s, 1)[0]);
+
+ return s;
+}
+
+/* MPUI Peripheral Bridge configuration */
+static uint32_t omap_mpui_io_read(void *opaque, target_phys_addr_t addr)
+{
+ if (addr == OMAP_MPUI_BASE) /* CMR */
+ return 0xfe4d;
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static CPUReadMemoryFunc *omap_mpui_io_readfn[] = {
+ omap_badwidth_read16,
+ omap_mpui_io_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_mpui_io_writefn[] = {
+ omap_badwidth_write16,
+ omap_badwidth_write16,
+ omap_badwidth_write16,
+};
+
+static void omap_setup_mpui_io(struct omap_mpu_state_s *mpu)
+{
+ int iomemtype = cpu_register_io_memory(0, omap_mpui_io_readfn,
+ omap_mpui_io_writefn, mpu);
+ cpu_register_physical_memory(OMAP_MPUI_BASE, 0x7fff, iomemtype);
+}
+
+/* General chip reset */
+static void omap_mpu_reset(void *opaque)
+{
+ struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque;
+
+ omap_inth_reset(mpu->ih[0]);
+ omap_inth_reset(mpu->ih[1]);
+ omap_dma_reset(mpu->dma);
+ omap_mpu_timer_reset(mpu->timer[0]);
+ omap_mpu_timer_reset(mpu->timer[1]);
+ omap_mpu_timer_reset(mpu->timer[2]);
+ omap_wd_timer_reset(mpu->wdt);
+ omap_os_timer_reset(mpu->os_timer);
+ omap_lcdc_reset(mpu->lcd);
+ omap_ulpd_pm_reset(mpu);
+ omap_pin_cfg_reset(mpu);
+ omap_mpui_reset(mpu);
+ omap_tipb_bridge_reset(mpu->private_tipb);
+ omap_tipb_bridge_reset(mpu->public_tipb);
+ omap_dpll_reset(&mpu->dpll[0]);
+ omap_dpll_reset(&mpu->dpll[1]);
+ omap_dpll_reset(&mpu->dpll[2]);
+ omap_uart_reset(mpu->uart[0]);
+ omap_uart_reset(mpu->uart[1]);
+ omap_uart_reset(mpu->uart[2]);
+ omap_mmc_reset(mpu->mmc);
+ omap_mpuio_reset(mpu->mpuio);
+ omap_gpio_reset(mpu->gpio);
+ omap_uwire_reset(mpu->microwire);
+ omap_pwl_reset(mpu);
+ omap_pwt_reset(mpu);
+ omap_i2c_reset(mpu->i2c);
+ omap_rtc_reset(mpu->rtc);
+ omap_mcbsp_reset(mpu->mcbsp1);
+ omap_mcbsp_reset(mpu->mcbsp2);
+ omap_mcbsp_reset(mpu->mcbsp3);
+ omap_lpg_reset(mpu->led[0]);
+ omap_lpg_reset(mpu->led[1]);
+ omap_clkm_reset(mpu);
+ cpu_reset(mpu->env);
+}
+
+static const struct omap_map_s {
+ target_phys_addr_t phys_dsp;
+ target_phys_addr_t phys_mpu;
+ uint32_t size;
+ const char *name;
+} omap15xx_dsp_mm[] = {
+ /* Strobe 0 */
+ { 0xe1010000, 0xfffb0000, 0x800, "UART1 BT" }, /* CS0 */
+ { 0xe1010800, 0xfffb0800, 0x800, "UART2 COM" }, /* CS1 */
+ { 0xe1011800, 0xfffb1800, 0x800, "McBSP1 audio" }, /* CS3 */
+ { 0xe1012000, 0xfffb2000, 0x800, "MCSI2 communication" }, /* CS4 */
+ { 0xe1012800, 0xfffb2800, 0x800, "MCSI1 BT u-Law" }, /* CS5 */
+ { 0xe1013000, 0xfffb3000, 0x800, "uWire" }, /* CS6 */
+ { 0xe1013800, 0xfffb3800, 0x800, "I^2C" }, /* CS7 */
+ { 0xe1014000, 0xfffb4000, 0x800, "USB W2FC" }, /* CS8 */
+ { 0xe1014800, 0xfffb4800, 0x800, "RTC" }, /* CS9 */
+ { 0xe1015000, 0xfffb5000, 0x800, "MPUIO" }, /* CS10 */
+ { 0xe1015800, 0xfffb5800, 0x800, "PWL" }, /* CS11 */
+ { 0xe1016000, 0xfffb6000, 0x800, "PWT" }, /* CS12 */
+ { 0xe1017000, 0xfffb7000, 0x800, "McBSP3" }, /* CS14 */
+ { 0xe1017800, 0xfffb7800, 0x800, "MMC" }, /* CS15 */
+ { 0xe1019000, 0xfffb9000, 0x800, "32-kHz timer" }, /* CS18 */
+ { 0xe1019800, 0xfffb9800, 0x800, "UART3" }, /* CS19 */
+ { 0xe101c800, 0xfffbc800, 0x800, "TIPB switches" }, /* CS25 */
+ /* Strobe 1 */
+ { 0xe101e000, 0xfffce000, 0x800, "GPIOs" }, /* CS28 */
+
+ { 0 }
+};
+
+static void omap_setup_dsp_mapping(const struct omap_map_s *map)
+{
+ int io;
+
+ for (; map->phys_dsp; map ++) {
+ io = cpu_get_physical_page_desc(map->phys_mpu);
+
+ cpu_register_physical_memory(map->phys_dsp, map->size, io);
+ }
+}
+
+static void omap_mpu_wakeup(void *opaque, int irq, int req)
+{
+ struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque;
+
+ if (mpu->env->halted)
+ cpu_interrupt(mpu->env, CPU_INTERRUPT_EXITTB);
+}
+
+static const struct dma_irq_map omap_dma_irq_map[] = {
+ { 0, OMAP_INT_DMA_CH0_6 },
+ { 0, OMAP_INT_DMA_CH1_7 },
+ { 0, OMAP_INT_DMA_CH2_8 },
+ { 0, OMAP_INT_DMA_CH3 },
+ { 0, OMAP_INT_DMA_CH4 },
+ { 0, OMAP_INT_DMA_CH5 },
+ { 1, OMAP_INT_1610_DMA_CH6 },
+ { 1, OMAP_INT_1610_DMA_CH7 },
+ { 1, OMAP_INT_1610_DMA_CH8 },
+ { 1, OMAP_INT_1610_DMA_CH9 },
+ { 1, OMAP_INT_1610_DMA_CH10 },
+ { 1, OMAP_INT_1610_DMA_CH11 },
+ { 1, OMAP_INT_1610_DMA_CH12 },
+ { 1, OMAP_INT_1610_DMA_CH13 },
+ { 1, OMAP_INT_1610_DMA_CH14 },
+ { 1, OMAP_INT_1610_DMA_CH15 }
+};
+
+/* DMA ports for OMAP1 */
+static int omap_validate_emiff_addr(struct omap_mpu_state_s *s,
+ target_phys_addr_t addr)
+{
+ return addr >= OMAP_EMIFF_BASE && addr < OMAP_EMIFF_BASE + s->sdram_size;
+}
+
+static int omap_validate_emifs_addr(struct omap_mpu_state_s *s,
+ target_phys_addr_t addr)
+{
+ return addr >= OMAP_EMIFS_BASE && addr < OMAP_EMIFF_BASE;
+}
+
+static int omap_validate_imif_addr(struct omap_mpu_state_s *s,
+ target_phys_addr_t addr)
+{
+ return addr >= OMAP_IMIF_BASE && addr < OMAP_IMIF_BASE + s->sram_size;
+}
+
+static int omap_validate_tipb_addr(struct omap_mpu_state_s *s,
+ target_phys_addr_t addr)
+{
+ return addr >= 0xfffb0000 && addr < 0xffff0000;
+}
+
+static int omap_validate_local_addr(struct omap_mpu_state_s *s,
+ target_phys_addr_t addr)
+{
+ return addr >= OMAP_LOCALBUS_BASE && addr < OMAP_LOCALBUS_BASE + 0x1000000;
+}
+
+static int omap_validate_tipb_mpui_addr(struct omap_mpu_state_s *s,
+ target_phys_addr_t addr)
+{
+ return addr >= 0xe1010000 && addr < 0xe1020004;
+}
+
+struct omap_mpu_state_s *omap310_mpu_init(unsigned long sdram_size,
+ DisplayState *ds, const char *core)
+{
+ int i;
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *)
+ qemu_mallocz(sizeof(struct omap_mpu_state_s));
+ ram_addr_t imif_base, emiff_base;
+ qemu_irq *cpu_irq;
+ qemu_irq dma_irqs[6];
+ int sdindex;
+
+ if (!core)
+ core = "ti925t";
+
+ /* Core */
+ s->mpu_model = omap310;
+ s->env = cpu_init(core);
+ if (!s->env) {
+ fprintf(stderr, "Unable to find CPU definition\n");
+ exit(1);
+ }
+ s->sdram_size = sdram_size;
+ s->sram_size = OMAP15XX_SRAM_SIZE;
+
+ s->wakeup = qemu_allocate_irqs(omap_mpu_wakeup, s, 1)[0];
+
+ /* Clocks */
+ omap_clk_init(s);
+
+ /* Memory-mapped stuff */
+ cpu_register_physical_memory(OMAP_EMIFF_BASE, s->sdram_size,
+ (emiff_base = qemu_ram_alloc(s->sdram_size)) | IO_MEM_RAM);
+ cpu_register_physical_memory(OMAP_IMIF_BASE, s->sram_size,
+ (imif_base = qemu_ram_alloc(s->sram_size)) | IO_MEM_RAM);
+
+ omap_clkm_init(0xfffece00, 0xe1008000, s);
+
+ cpu_irq = arm_pic_init_cpu(s->env);
+ s->ih[0] = omap_inth_init(0xfffecb00, 0x100, 1,
+ cpu_irq[ARM_PIC_CPU_IRQ], cpu_irq[ARM_PIC_CPU_FIQ],
+ omap_findclk(s, "arminth_ck"));
+ s->ih[1] = omap_inth_init(0xfffe0000, 0x800, 1,
+ s->ih[0]->pins[OMAP_INT_15XX_IH2_IRQ], NULL,
+ omap_findclk(s, "arminth_ck"));
+ s->irq[0] = s->ih[0]->pins;
+ s->irq[1] = s->ih[1]->pins;
+
+ for (i = 0; i < 6; i ++)
+ dma_irqs[i] = s->irq[omap_dma_irq_map[i].ih][omap_dma_irq_map[i].intr];
+ s->dma = omap_dma_init(0xfffed800, dma_irqs, s->irq[0][OMAP_INT_DMA_LCD],
+ s, omap_findclk(s, "dma_ck"), omap_dma_3_1);
+
+ s->port[emiff ].addr_valid = omap_validate_emiff_addr;
+ s->port[emifs ].addr_valid = omap_validate_emifs_addr;
+ s->port[imif ].addr_valid = omap_validate_imif_addr;
+ s->port[tipb ].addr_valid = omap_validate_tipb_addr;
+ s->port[local ].addr_valid = omap_validate_local_addr;
+ s->port[tipb_mpui].addr_valid = omap_validate_tipb_mpui_addr;
+
+ s->timer[0] = omap_mpu_timer_init(0xfffec500,
+ s->irq[0][OMAP_INT_TIMER1],
+ omap_findclk(s, "mputim_ck"));
+ s->timer[1] = omap_mpu_timer_init(0xfffec600,
+ s->irq[0][OMAP_INT_TIMER2],
+ omap_findclk(s, "mputim_ck"));
+ s->timer[2] = omap_mpu_timer_init(0xfffec700,
+ s->irq[0][OMAP_INT_TIMER3],
+ omap_findclk(s, "mputim_ck"));
+
+ s->wdt = omap_wd_timer_init(0xfffec800,
+ s->irq[0][OMAP_INT_WD_TIMER],
+ omap_findclk(s, "armwdt_ck"));
+
+ s->os_timer = omap_os_timer_init(0xfffb9000,
+ s->irq[1][OMAP_INT_OS_TIMER],
+ omap_findclk(s, "clk32-kHz"));
+
+ s->lcd = omap_lcdc_init(0xfffec000, s->irq[0][OMAP_INT_LCD_CTRL],
+ omap_dma_get_lcdch(s->dma), ds, imif_base, emiff_base,
+ omap_findclk(s, "lcd_ck"));
+
+ omap_ulpd_pm_init(0xfffe0800, s);
+ omap_pin_cfg_init(0xfffe1000, s);
+ omap_id_init(s);
+
+ omap_mpui_init(0xfffec900, s);
+
+ s->private_tipb = omap_tipb_bridge_init(0xfffeca00,
+ s->irq[0][OMAP_INT_BRIDGE_PRIV],
+ omap_findclk(s, "tipb_ck"));
+ s->public_tipb = omap_tipb_bridge_init(0xfffed300,
+ s->irq[0][OMAP_INT_BRIDGE_PUB],
+ omap_findclk(s, "tipb_ck"));
+
+ omap_tcmi_init(0xfffecc00, s);
+
+ s->uart[0] = omap_uart_init(0xfffb0000, s->irq[1][OMAP_INT_UART1],
+ omap_findclk(s, "uart1_ck"),
+ serial_hds[0]);
+ s->uart[1] = omap_uart_init(0xfffb0800, s->irq[1][OMAP_INT_UART2],
+ omap_findclk(s, "uart2_ck"),
+ serial_hds[0] ? serial_hds[1] : 0);
+ s->uart[2] = omap_uart_init(0xe1019800, s->irq[0][OMAP_INT_UART3],
+ omap_findclk(s, "uart3_ck"),
+ serial_hds[0] && serial_hds[1] ? serial_hds[2] : 0);
+
+ omap_dpll_init(&s->dpll[0], 0xfffecf00, omap_findclk(s, "dpll1"));
+ omap_dpll_init(&s->dpll[1], 0xfffed000, omap_findclk(s, "dpll2"));
+ omap_dpll_init(&s->dpll[2], 0xfffed100, omap_findclk(s, "dpll3"));
+
+ sdindex = drive_get_index(IF_SD, 0, 0);
+ if (sdindex == -1) {
+ fprintf(stderr, "qemu: missing SecureDigital device\n");
+ exit(1);
+ }
+ s->mmc = omap_mmc_init(0xfffb7800, drives_table[sdindex].bdrv,
+ s->irq[1][OMAP_INT_OQN], &s->drq[OMAP_DMA_MMC_TX],
+ omap_findclk(s, "mmc_ck"));
+
+ s->mpuio = omap_mpuio_init(0xfffb5000,
+ s->irq[1][OMAP_INT_KEYBOARD], s->irq[1][OMAP_INT_MPUIO],
+ s->wakeup, omap_findclk(s, "clk32-kHz"));
+
+ s->gpio = omap_gpio_init(0xfffce000, s->irq[0][OMAP_INT_GPIO_BANK1],
+ omap_findclk(s, "arm_gpio_ck"));
+
+ s->microwire = omap_uwire_init(0xfffb3000, &s->irq[1][OMAP_INT_uWireTX],
+ s->drq[OMAP_DMA_UWIRE_TX], omap_findclk(s, "mpuper_ck"));
+
+ omap_pwl_init(0xfffb5800, s, omap_findclk(s, "armxor_ck"));
+ omap_pwt_init(0xfffb6000, s, omap_findclk(s, "armxor_ck"));
+
+ s->i2c = omap_i2c_init(0xfffb3800, s->irq[1][OMAP_INT_I2C],
+ &s->drq[OMAP_DMA_I2C_RX], omap_findclk(s, "mpuper_ck"));
+
+ s->rtc = omap_rtc_init(0xfffb4800, &s->irq[1][OMAP_INT_RTC_TIMER],
+ omap_findclk(s, "clk32-kHz"));
+
+ s->mcbsp1 = omap_mcbsp_init(0xfffb1800, &s->irq[1][OMAP_INT_McBSP1TX],
+ &s->drq[OMAP_DMA_MCBSP1_TX], omap_findclk(s, "dspxor_ck"));
+ s->mcbsp2 = omap_mcbsp_init(0xfffb1000, &s->irq[0][OMAP_INT_310_McBSP2_TX],
+ &s->drq[OMAP_DMA_MCBSP2_TX], omap_findclk(s, "mpuper_ck"));
+ s->mcbsp3 = omap_mcbsp_init(0xfffb7000, &s->irq[1][OMAP_INT_McBSP3TX],
+ &s->drq[OMAP_DMA_MCBSP3_TX], omap_findclk(s, "dspxor_ck"));
+
+ s->led[0] = omap_lpg_init(0xfffbd000, omap_findclk(s, "clk32-kHz"));
+ s->led[1] = omap_lpg_init(0xfffbd800, omap_findclk(s, "clk32-kHz"));
+
+ /* Register mappings not currenlty implemented:
+ * MCSI2 Comm fffb2000 - fffb27ff (not mapped on OMAP310)
+ * MCSI1 Bluetooth fffb2800 - fffb2fff (not mapped on OMAP310)
+ * USB W2FC fffb4000 - fffb47ff
+ * Camera Interface fffb6800 - fffb6fff
+ * USB Host fffba000 - fffba7ff
+ * FAC fffba800 - fffbafff
+ * HDQ/1-Wire fffbc000 - fffbc7ff
+ * TIPB switches fffbc800 - fffbcfff
+ * Mailbox fffcf000 - fffcf7ff
+ * Local bus IF fffec100 - fffec1ff
+ * Local bus MMU fffec200 - fffec2ff
+ * DSP MMU fffed200 - fffed2ff
+ */
+
+ omap_setup_dsp_mapping(omap15xx_dsp_mm);
+ omap_setup_mpui_io(s);
+
+ qemu_register_reset(omap_mpu_reset, s);
+
+ return s;
+}
+++ /dev/null
-/*
- * OMAP clocks.
- *
- * Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org>
- *
- * Clocks data comes in part from arch/arm/mach-omap1/clock.h in Linux.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-#include "hw.h"
-#include "omap.h"
-
-struct clk {
- const char *name;
- const char *alias;
- struct clk *parent;
- struct clk *child1;
- struct clk *sibling;
-#define ALWAYS_ENABLED (1 << 0)
-#define CLOCK_IN_OMAP310 (1 << 10)
-#define CLOCK_IN_OMAP730 (1 << 11)
-#define CLOCK_IN_OMAP1510 (1 << 12)
-#define CLOCK_IN_OMAP16XX (1 << 13)
- uint32_t flags;
- int id;
-
- int running; /* Is currently ticking */
- int enabled; /* Is enabled, regardless of its input clk */
- unsigned long rate; /* Current rate (if .running) */
- unsigned int divisor; /* Rate relative to input (if .enabled) */
- unsigned int multiplier; /* Rate relative to input (if .enabled) */
- qemu_irq users[16]; /* Who to notify on change */
- int usecount; /* Automatically idle when unused */
-};
-
-static struct clk xtal_osc12m = {
- .name = "xtal_osc_12m",
- .rate = 12000000,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
-};
-
-static struct clk xtal_osc32k = {
- .name = "xtal_osc_32k",
- .rate = 32768,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
-};
-
-static struct clk ck_ref = {
- .name = "ck_ref",
- .alias = "clkin",
- .parent = &xtal_osc12m,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
- ALWAYS_ENABLED,
-};
-
-/* If a dpll is disabled it becomes a bypass, child clocks don't stop */
-static struct clk dpll1 = {
- .name = "dpll1",
- .parent = &ck_ref,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
- ALWAYS_ENABLED,
-};
-
-static struct clk dpll2 = {
- .name = "dpll2",
- .parent = &ck_ref,
- .flags = CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
-};
-
-static struct clk dpll3 = {
- .name = "dpll3",
- .parent = &ck_ref,
- .flags = CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
-};
-
-static struct clk dpll4 = {
- .name = "dpll4",
- .parent = &ck_ref,
- .multiplier = 4,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
-};
-
-static struct clk apll = {
- .name = "apll",
- .parent = &ck_ref,
- .multiplier = 48,
- .divisor = 12,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
-};
-
-static struct clk ck_48m = {
- .name = "ck_48m",
- .parent = &dpll4, /* either dpll4 or apll */
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
-};
-
-static struct clk ck_dpll1out = {
- .name = "ck_dpll1out",
- .parent = &dpll1,
- .flags = CLOCK_IN_OMAP16XX,
-};
-
-static struct clk sossi_ck = {
- .name = "ck_sossi",
- .parent = &ck_dpll1out,
- .flags = CLOCK_IN_OMAP16XX,
-};
-
-static struct clk clkm1 = {
- .name = "clkm1",
- .alias = "ck_gen1",
- .parent = &dpll1,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
- ALWAYS_ENABLED,
-};
-
-static struct clk clkm2 = {
- .name = "clkm2",
- .alias = "ck_gen2",
- .parent = &dpll1,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
- ALWAYS_ENABLED,
-};
-
-static struct clk clkm3 = {
- .name = "clkm3",
- .alias = "ck_gen3",
- .parent = &dpll1, /* either dpll1 or ck_ref */
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
- ALWAYS_ENABLED,
-};
-
-static struct clk arm_ck = {
- .name = "arm_ck",
- .alias = "mpu_ck",
- .parent = &clkm1,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
- ALWAYS_ENABLED,
-};
-
-static struct clk armper_ck = {
- .name = "armper_ck",
- .alias = "mpuper_ck",
- .parent = &clkm1,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
-};
-
-static struct clk arm_gpio_ck = {
- .name = "arm_gpio_ck",
- .alias = "mpu_gpio_ck",
- .parent = &clkm1,
- .divisor = 1,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
-};
-
-static struct clk armxor_ck = {
- .name = "armxor_ck",
- .alias = "mpuxor_ck",
- .parent = &ck_ref,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
-};
-
-static struct clk armtim_ck = {
- .name = "armtim_ck",
- .alias = "mputim_ck",
- .parent = &ck_ref, /* either CLKIN or DPLL1 */
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
-};
-
-static struct clk armwdt_ck = {
- .name = "armwdt_ck",
- .alias = "mpuwd_ck",
- .parent = &clkm1,
- .divisor = 14,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
- ALWAYS_ENABLED,
-};
-
-static struct clk arminth_ck16xx = {
- .name = "arminth_ck",
- .parent = &arm_ck,
- .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
- /* Note: On 16xx the frequency can be divided by 2 by programming
- * ARM_CKCTL:ARM_INTHCK_SEL(14) to 1
- *
- * 1510 version is in TC clocks.
- */
-};
-
-static struct clk dsp_ck = {
- .name = "dsp_ck",
- .parent = &clkm2,
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
-};
-
-static struct clk dspmmu_ck = {
- .name = "dspmmu_ck",
- .parent = &clkm2,
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- ALWAYS_ENABLED,
-};
-
-static struct clk dspper_ck = {
- .name = "dspper_ck",
- .parent = &clkm2,
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
-};
-
-static struct clk dspxor_ck = {
- .name = "dspxor_ck",
- .parent = &ck_ref,
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
-};
-
-static struct clk dsptim_ck = {
- .name = "dsptim_ck",
- .parent = &ck_ref,
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
-};
-
-static struct clk tc_ck = {
- .name = "tc_ck",
- .parent = &clkm3,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- CLOCK_IN_OMAP730 | CLOCK_IN_OMAP310 |
- ALWAYS_ENABLED,
-};
-
-static struct clk arminth_ck15xx = {
- .name = "arminth_ck",
- .parent = &tc_ck,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
- /* Note: On 1510 the frequency follows TC_CK
- *
- * 16xx version is in MPU clocks.
- */
-};
-
-static struct clk tipb_ck = {
- /* No-idle controlled by "tc_ck" */
- .name = "tipb_ck",
- .parent = &tc_ck,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
-};
-
-static struct clk l3_ocpi_ck = {
- /* No-idle controlled by "tc_ck" */
- .name = "l3_ocpi_ck",
- .parent = &tc_ck,
- .flags = CLOCK_IN_OMAP16XX,
-};
-
-static struct clk tc1_ck = {
- .name = "tc1_ck",
- .parent = &tc_ck,
- .flags = CLOCK_IN_OMAP16XX,
-};
-
-static struct clk tc2_ck = {
- .name = "tc2_ck",
- .parent = &tc_ck,
- .flags = CLOCK_IN_OMAP16XX,
-};
-
-static struct clk dma_ck = {
- /* No-idle controlled by "tc_ck" */
- .name = "dma_ck",
- .parent = &tc_ck,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
- ALWAYS_ENABLED,
-};
-
-static struct clk dma_lcdfree_ck = {
- .name = "dma_lcdfree_ck",
- .parent = &tc_ck,
- .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
-};
-
-static struct clk api_ck = {
- .name = "api_ck",
- .alias = "mpui_ck",
- .parent = &tc_ck,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
-};
-
-static struct clk lb_ck = {
- .name = "lb_ck",
- .parent = &tc_ck,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
-};
-
-static struct clk lbfree_ck = {
- .name = "lbfree_ck",
- .parent = &tc_ck,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
-};
-
-static struct clk hsab_ck = {
- .name = "hsab_ck",
- .parent = &tc_ck,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
-};
-
-static struct clk rhea1_ck = {
- .name = "rhea1_ck",
- .parent = &tc_ck,
- .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
-};
-
-static struct clk rhea2_ck = {
- .name = "rhea2_ck",
- .parent = &tc_ck,
- .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
-};
-
-static struct clk lcd_ck_16xx = {
- .name = "lcd_ck",
- .parent = &clkm3,
- .flags = CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730,
-};
-
-static struct clk lcd_ck_1510 = {
- .name = "lcd_ck",
- .parent = &clkm3,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
-};
-
-static struct clk uart1_1510 = {
- .name = "uart1_ck",
- /* Direct from ULPD, no real parent */
- .parent = &armper_ck, /* either armper_ck or dpll4 */
- .rate = 12000000,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
-};
-
-static struct clk uart1_16xx = {
- .name = "uart1_ck",
- /* Direct from ULPD, no real parent */
- .parent = &armper_ck,
- .rate = 48000000,
- .flags = CLOCK_IN_OMAP16XX,
-};
-
-static struct clk uart2_ck = {
- .name = "uart2_ck",
- /* Direct from ULPD, no real parent */
- .parent = &armper_ck, /* either armper_ck or dpll4 */
- .rate = 12000000,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
- ALWAYS_ENABLED,
-};
-
-static struct clk uart3_1510 = {
- .name = "uart3_ck",
- /* Direct from ULPD, no real parent */
- .parent = &armper_ck, /* either armper_ck or dpll4 */
- .rate = 12000000,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
-};
-
-static struct clk uart3_16xx = {
- .name = "uart3_ck",
- /* Direct from ULPD, no real parent */
- .parent = &armper_ck,
- .rate = 48000000,
- .flags = CLOCK_IN_OMAP16XX,
-};
-
-static struct clk usb_clk0 = { /* 6 MHz output on W4_USB_CLK0 */
- .name = "usb_clk0",
- .alias = "usb.clko",
- /* Direct from ULPD, no parent */
- .rate = 6000000,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
-};
-
-static struct clk usb_hhc_ck1510 = {
- .name = "usb_hhc_ck",
- /* Direct from ULPD, no parent */
- .rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
-};
-
-static struct clk usb_hhc_ck16xx = {
- .name = "usb_hhc_ck",
- /* Direct from ULPD, no parent */
- .rate = 48000000,
- /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */
- .flags = CLOCK_IN_OMAP16XX,
-};
-
-static struct clk usb_w2fc_mclk = {
- .name = "usb_w2fc_mclk",
- .alias = "usb_w2fc_ck",
- .parent = &ck_48m,
- .rate = 48000000,
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
-};
-
-static struct clk mclk_1510 = {
- .name = "mclk",
- /* Direct from ULPD, no parent. May be enabled by ext hardware. */
- .rate = 12000000,
- .flags = CLOCK_IN_OMAP1510,
-};
-
-static struct clk bclk_310 = {
- .name = "bt_mclk_out", /* Alias midi_mclk_out? */
- .parent = &armper_ck,
- .flags = CLOCK_IN_OMAP310,
-};
-
-static struct clk mclk_310 = {
- .name = "com_mclk_out",
- .parent = &armper_ck,
- .flags = CLOCK_IN_OMAP310,
-};
-
-static struct clk mclk_16xx = {
- .name = "mclk",
- /* Direct from ULPD, no parent. May be enabled by ext hardware. */
- .flags = CLOCK_IN_OMAP16XX,
-};
-
-static struct clk bclk_1510 = {
- .name = "bclk",
- /* Direct from ULPD, no parent. May be enabled by ext hardware. */
- .rate = 12000000,
- .flags = CLOCK_IN_OMAP1510,
-};
-
-static struct clk bclk_16xx = {
- .name = "bclk",
- /* Direct from ULPD, no parent. May be enabled by ext hardware. */
- .flags = CLOCK_IN_OMAP16XX,
-};
-
-static struct clk mmc1_ck = {
- .name = "mmc_ck",
- .id = 1,
- /* Functional clock is direct from ULPD, interface clock is ARMPER */
- .parent = &armper_ck, /* either armper_ck or dpll4 */
- .rate = 48000000,
- .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
-};
-
-static struct clk mmc2_ck = {
- .name = "mmc_ck",
- .id = 2,
- /* Functional clock is direct from ULPD, interface clock is ARMPER */
- .parent = &armper_ck,
- .rate = 48000000,
- .flags = CLOCK_IN_OMAP16XX,
-};
-
-static struct clk cam_mclk = {
- .name = "cam.mclk",
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
- .rate = 12000000,
-};
-
-static struct clk cam_exclk = {
- .name = "cam.exclk",
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
- /* Either 12M from cam.mclk or 48M from dpll4 */
- .parent = &cam_mclk,
-};
-
-static struct clk cam_lclk = {
- .name = "cam.lclk",
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
-};
-
-static struct clk i2c_fck = {
- .name = "i2c_fck",
- .id = 1,
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- ALWAYS_ENABLED,
- .parent = &armxor_ck,
-};
-
-static struct clk i2c_ick = {
- .name = "i2c_ick",
- .id = 1,
- .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
- .parent = &armper_ck,
-};
-
-static struct clk clk32k = {
- .name = "clk32-kHz",
- .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
- ALWAYS_ENABLED,
- .parent = &xtal_osc32k,
-};
-
-static struct clk *onchip_clks[] = {
- /* non-ULPD clocks */
- &xtal_osc12m,
- &xtal_osc32k,
- &ck_ref,
- &dpll1,
- &dpll2,
- &dpll3,
- &dpll4,
- &apll,
- &ck_48m,
- /* CK_GEN1 clocks */
- &clkm1,
- &ck_dpll1out,
- &sossi_ck,
- &arm_ck,
- &armper_ck,
- &arm_gpio_ck,
- &armxor_ck,
- &armtim_ck,
- &armwdt_ck,
- &arminth_ck15xx, &arminth_ck16xx,
- /* CK_GEN2 clocks */
- &clkm2,
- &dsp_ck,
- &dspmmu_ck,
- &dspper_ck,
- &dspxor_ck,
- &dsptim_ck,
- /* CK_GEN3 clocks */
- &clkm3,
- &tc_ck,
- &tipb_ck,
- &l3_ocpi_ck,
- &tc1_ck,
- &tc2_ck,
- &dma_ck,
- &dma_lcdfree_ck,
- &api_ck,
- &lb_ck,
- &lbfree_ck,
- &hsab_ck,
- &rhea1_ck,
- &rhea2_ck,
- &lcd_ck_16xx,
- &lcd_ck_1510,
- /* ULPD clocks */
- &uart1_1510,
- &uart1_16xx,
- &uart2_ck,
- &uart3_1510,
- &uart3_16xx,
- &usb_clk0,
- &usb_hhc_ck1510, &usb_hhc_ck16xx,
- &mclk_1510, &mclk_16xx, &mclk_310,
- &bclk_1510, &bclk_16xx, &bclk_310,
- &mmc1_ck,
- &mmc2_ck,
- &cam_mclk,
- &cam_exclk,
- &cam_lclk,
- &clk32k,
- &usb_w2fc_mclk,
- /* Virtual clocks */
- &i2c_fck,
- &i2c_ick,
- 0
-};
-
-void omap_clk_adduser(struct clk *clk, qemu_irq user)
-{
- qemu_irq *i;
-
- for (i = clk->users; *i; i ++);
- *i = user;
-}
-
-/* If a clock is allowed to idle, it is disabled automatically when
- * all of clock domains using it are disabled. */
-int omap_clk_is_idle(struct clk *clk)
-{
- struct clk *chld;
-
- if (!clk->enabled && (!clk->usecount || !(clk->flags && ALWAYS_ENABLED)))
- return 1;
- if (clk->usecount)
- return 0;
-
- for (chld = clk->child1; chld; chld = chld->sibling)
- if (!omap_clk_is_idle(chld))
- return 0;
- return 1;
-}
-
-struct clk *omap_findclk(struct omap_mpu_state_s *mpu, const char *name)
-{
- struct clk *i;
-
- for (i = mpu->clks; i->name; i ++)
- if (!strcmp(i->name, name) || (i->alias && !strcmp(i->alias, name)))
- return i;
- cpu_abort(mpu->env, "%s: %s not found\n", __FUNCTION__, name);
-}
-
-void omap_clk_get(struct clk *clk)
-{
- clk->usecount ++;
-}
-
-void omap_clk_put(struct clk *clk)
-{
- if (!(clk->usecount --))
- cpu_abort(cpu_single_env, "%s: %s is not in use\n",
- __FUNCTION__, clk->name);
-}
-
-static void omap_clk_update(struct clk *clk)
-{
- int parent, running;
- qemu_irq *user;
- struct clk *i;
-
- if (clk->parent)
- parent = clk->parent->running;
- else
- parent = 1;
-
- running = parent && (clk->enabled ||
- ((clk->flags & ALWAYS_ENABLED) && clk->usecount));
- if (clk->running != running) {
- clk->running = running;
- for (user = clk->users; *user; user ++)
- qemu_set_irq(*user, running);
- for (i = clk->child1; i; i = i->sibling)
- omap_clk_update(i);
- }
-}
-
-static void omap_clk_rate_update_full(struct clk *clk, unsigned long int rate,
- unsigned long int div, unsigned long int mult)
-{
- struct clk *i;
- qemu_irq *user;
-
- clk->rate = muldiv64(rate, mult, div);
- if (clk->running)
- for (user = clk->users; *user; user ++)
- qemu_irq_raise(*user);
- for (i = clk->child1; i; i = i->sibling)
- omap_clk_rate_update_full(i, rate,
- div * i->divisor, mult * i->multiplier);
-}
-
-static void omap_clk_rate_update(struct clk *clk)
-{
- struct clk *i;
- unsigned long int div, mult = div = 1;
-
- for (i = clk; i->parent; i = i->parent) {
- div *= i->divisor;
- mult *= i->multiplier;
- }
-
- omap_clk_rate_update_full(clk, i->rate, div, mult);
-}
-
-void omap_clk_reparent(struct clk *clk, struct clk *parent)
-{
- struct clk **p;
-
- if (clk->parent) {
- for (p = &clk->parent->child1; *p != clk; p = &(*p)->sibling);
- *p = clk->sibling;
- }
-
- clk->parent = parent;
- if (parent) {
- clk->sibling = parent->child1;
- parent->child1 = clk;
- omap_clk_update(clk);
- omap_clk_rate_update(clk);
- } else
- clk->sibling = 0;
-}
-
-void omap_clk_onoff(struct clk *clk, int on)
-{
- clk->enabled = on;
- omap_clk_update(clk);
-}
-
-void omap_clk_canidle(struct clk *clk, int can)
-{
- if (can)
- omap_clk_put(clk);
- else
- omap_clk_get(clk);
-}
-
-void omap_clk_setrate(struct clk *clk, int divide, int multiply)
-{
- clk->divisor = divide;
- clk->multiplier = multiply;
- omap_clk_rate_update(clk);
-}
-
-int64_t omap_clk_getrate(omap_clk clk)
-{
- return clk->rate;
-}
-
-void omap_clk_init(struct omap_mpu_state_s *mpu)
-{
- struct clk **i, *j, *k;
- int count;
- int flag;
-
- if (cpu_is_omap310(mpu))
- flag = CLOCK_IN_OMAP310;
- else if (cpu_is_omap1510(mpu))
- flag = CLOCK_IN_OMAP1510;
- else
- return;
-
- for (i = onchip_clks, count = 0; *i; i ++)
- if ((*i)->flags & flag)
- count ++;
- mpu->clks = (struct clk *) qemu_mallocz(sizeof(struct clk) * (count + 1));
- for (i = onchip_clks, j = mpu->clks; *i; i ++)
- if ((*i)->flags & flag) {
- memcpy(j, *i, sizeof(struct clk));
- for (k = mpu->clks; k < j; k ++)
- if (j->parent && !strcmp(j->parent->name, k->name)) {
- j->parent = k;
- j->sibling = k->child1;
- k->child1 = j;
- } else if (k->parent && !strcmp(k->parent->name, j->name)) {
- k->parent = j;
- k->sibling = j->child1;
- j->child1 = k;
- }
- j->divisor = j->divisor ?: 1;
- j->multiplier = j->multiplier ?: 1;
- j ++;
- }
- for (j = mpu->clks; count --; j ++) {
- omap_clk_update(j);
- omap_clk_rate_update(j);
- }
-}
--- /dev/null
+/*
+ * OMAP clocks.
+ *
+ * Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org>
+ *
+ * Clocks data comes in part from arch/arm/mach-omap1/clock.h in Linux.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include "hw.h"
+#include "omap.h"
+
+struct clk {
+ const char *name;
+ const char *alias;
+ struct clk *parent;
+ struct clk *child1;
+ struct clk *sibling;
+#define ALWAYS_ENABLED (1 << 0)
+#define CLOCK_IN_OMAP310 (1 << 10)
+#define CLOCK_IN_OMAP730 (1 << 11)
+#define CLOCK_IN_OMAP1510 (1 << 12)
+#define CLOCK_IN_OMAP16XX (1 << 13)
+ uint32_t flags;
+ int id;
+
+ int running; /* Is currently ticking */
+ int enabled; /* Is enabled, regardless of its input clk */
+ unsigned long rate; /* Current rate (if .running) */
+ unsigned int divisor; /* Rate relative to input (if .enabled) */
+ unsigned int multiplier; /* Rate relative to input (if .enabled) */
+ qemu_irq users[16]; /* Who to notify on change */
+ int usecount; /* Automatically idle when unused */
+};
+
+static struct clk xtal_osc12m = {
+ .name = "xtal_osc_12m",
+ .rate = 12000000,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
+};
+
+static struct clk xtal_osc32k = {
+ .name = "xtal_osc_32k",
+ .rate = 32768,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
+};
+
+static struct clk ck_ref = {
+ .name = "ck_ref",
+ .alias = "clkin",
+ .parent = &xtal_osc12m,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
+ ALWAYS_ENABLED,
+};
+
+/* If a dpll is disabled it becomes a bypass, child clocks don't stop */
+static struct clk dpll1 = {
+ .name = "dpll1",
+ .parent = &ck_ref,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
+ ALWAYS_ENABLED,
+};
+
+static struct clk dpll2 = {
+ .name = "dpll2",
+ .parent = &ck_ref,
+ .flags = CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
+};
+
+static struct clk dpll3 = {
+ .name = "dpll3",
+ .parent = &ck_ref,
+ .flags = CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
+};
+
+static struct clk dpll4 = {
+ .name = "dpll4",
+ .parent = &ck_ref,
+ .multiplier = 4,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
+};
+
+static struct clk apll = {
+ .name = "apll",
+ .parent = &ck_ref,
+ .multiplier = 48,
+ .divisor = 12,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
+};
+
+static struct clk ck_48m = {
+ .name = "ck_48m",
+ .parent = &dpll4, /* either dpll4 or apll */
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
+};
+
+static struct clk ck_dpll1out = {
+ .name = "ck_dpll1out",
+ .parent = &dpll1,
+ .flags = CLOCK_IN_OMAP16XX,
+};
+
+static struct clk sossi_ck = {
+ .name = "ck_sossi",
+ .parent = &ck_dpll1out,
+ .flags = CLOCK_IN_OMAP16XX,
+};
+
+static struct clk clkm1 = {
+ .name = "clkm1",
+ .alias = "ck_gen1",
+ .parent = &dpll1,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
+ ALWAYS_ENABLED,
+};
+
+static struct clk clkm2 = {
+ .name = "clkm2",
+ .alias = "ck_gen2",
+ .parent = &dpll1,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
+ ALWAYS_ENABLED,
+};
+
+static struct clk clkm3 = {
+ .name = "clkm3",
+ .alias = "ck_gen3",
+ .parent = &dpll1, /* either dpll1 or ck_ref */
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
+ ALWAYS_ENABLED,
+};
+
+static struct clk arm_ck = {
+ .name = "arm_ck",
+ .alias = "mpu_ck",
+ .parent = &clkm1,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
+ ALWAYS_ENABLED,
+};
+
+static struct clk armper_ck = {
+ .name = "armper_ck",
+ .alias = "mpuper_ck",
+ .parent = &clkm1,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
+};
+
+static struct clk arm_gpio_ck = {
+ .name = "arm_gpio_ck",
+ .alias = "mpu_gpio_ck",
+ .parent = &clkm1,
+ .divisor = 1,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
+};
+
+static struct clk armxor_ck = {
+ .name = "armxor_ck",
+ .alias = "mpuxor_ck",
+ .parent = &ck_ref,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
+};
+
+static struct clk armtim_ck = {
+ .name = "armtim_ck",
+ .alias = "mputim_ck",
+ .parent = &ck_ref, /* either CLKIN or DPLL1 */
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
+};
+
+static struct clk armwdt_ck = {
+ .name = "armwdt_ck",
+ .alias = "mpuwd_ck",
+ .parent = &clkm1,
+ .divisor = 14,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
+ ALWAYS_ENABLED,
+};
+
+static struct clk arminth_ck16xx = {
+ .name = "arminth_ck",
+ .parent = &arm_ck,
+ .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
+ /* Note: On 16xx the frequency can be divided by 2 by programming
+ * ARM_CKCTL:ARM_INTHCK_SEL(14) to 1
+ *
+ * 1510 version is in TC clocks.
+ */
+};
+
+static struct clk dsp_ck = {
+ .name = "dsp_ck",
+ .parent = &clkm2,
+ .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
+};
+
+static struct clk dspmmu_ck = {
+ .name = "dspmmu_ck",
+ .parent = &clkm2,
+ .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
+ ALWAYS_ENABLED,
+};
+
+static struct clk dspper_ck = {
+ .name = "dspper_ck",
+ .parent = &clkm2,
+ .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
+};
+
+static struct clk dspxor_ck = {
+ .name = "dspxor_ck",
+ .parent = &ck_ref,
+ .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
+};
+
+static struct clk dsptim_ck = {
+ .name = "dsptim_ck",
+ .parent = &ck_ref,
+ .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
+};
+
+static struct clk tc_ck = {
+ .name = "tc_ck",
+ .parent = &clkm3,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
+ CLOCK_IN_OMAP730 | CLOCK_IN_OMAP310 |
+ ALWAYS_ENABLED,
+};
+
+static struct clk arminth_ck15xx = {
+ .name = "arminth_ck",
+ .parent = &tc_ck,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
+ /* Note: On 1510 the frequency follows TC_CK
+ *
+ * 16xx version is in MPU clocks.
+ */
+};
+
+static struct clk tipb_ck = {
+ /* No-idle controlled by "tc_ck" */
+ .name = "tipb_ck",
+ .parent = &tc_ck,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
+};
+
+static struct clk l3_ocpi_ck = {
+ /* No-idle controlled by "tc_ck" */
+ .name = "l3_ocpi_ck",
+ .parent = &tc_ck,
+ .flags = CLOCK_IN_OMAP16XX,
+};
+
+static struct clk tc1_ck = {
+ .name = "tc1_ck",
+ .parent = &tc_ck,
+ .flags = CLOCK_IN_OMAP16XX,
+};
+
+static struct clk tc2_ck = {
+ .name = "tc2_ck",
+ .parent = &tc_ck,
+ .flags = CLOCK_IN_OMAP16XX,
+};
+
+static struct clk dma_ck = {
+ /* No-idle controlled by "tc_ck" */
+ .name = "dma_ck",
+ .parent = &tc_ck,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
+ ALWAYS_ENABLED,
+};
+
+static struct clk dma_lcdfree_ck = {
+ .name = "dma_lcdfree_ck",
+ .parent = &tc_ck,
+ .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
+};
+
+static struct clk api_ck = {
+ .name = "api_ck",
+ .alias = "mpui_ck",
+ .parent = &tc_ck,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
+};
+
+static struct clk lb_ck = {
+ .name = "lb_ck",
+ .parent = &tc_ck,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
+};
+
+static struct clk lbfree_ck = {
+ .name = "lbfree_ck",
+ .parent = &tc_ck,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
+};
+
+static struct clk hsab_ck = {
+ .name = "hsab_ck",
+ .parent = &tc_ck,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
+};
+
+static struct clk rhea1_ck = {
+ .name = "rhea1_ck",
+ .parent = &tc_ck,
+ .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
+};
+
+static struct clk rhea2_ck = {
+ .name = "rhea2_ck",
+ .parent = &tc_ck,
+ .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
+};
+
+static struct clk lcd_ck_16xx = {
+ .name = "lcd_ck",
+ .parent = &clkm3,
+ .flags = CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730,
+};
+
+static struct clk lcd_ck_1510 = {
+ .name = "lcd_ck",
+ .parent = &clkm3,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
+};
+
+static struct clk uart1_1510 = {
+ .name = "uart1_ck",
+ /* Direct from ULPD, no real parent */
+ .parent = &armper_ck, /* either armper_ck or dpll4 */
+ .rate = 12000000,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
+};
+
+static struct clk uart1_16xx = {
+ .name = "uart1_ck",
+ /* Direct from ULPD, no real parent */
+ .parent = &armper_ck,
+ .rate = 48000000,
+ .flags = CLOCK_IN_OMAP16XX,
+};
+
+static struct clk uart2_ck = {
+ .name = "uart2_ck",
+ /* Direct from ULPD, no real parent */
+ .parent = &armper_ck, /* either armper_ck or dpll4 */
+ .rate = 12000000,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
+ ALWAYS_ENABLED,
+};
+
+static struct clk uart3_1510 = {
+ .name = "uart3_ck",
+ /* Direct from ULPD, no real parent */
+ .parent = &armper_ck, /* either armper_ck or dpll4 */
+ .rate = 12000000,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
+};
+
+static struct clk uart3_16xx = {
+ .name = "uart3_ck",
+ /* Direct from ULPD, no real parent */
+ .parent = &armper_ck,
+ .rate = 48000000,
+ .flags = CLOCK_IN_OMAP16XX,
+};
+
+static struct clk usb_clk0 = { /* 6 MHz output on W4_USB_CLK0 */
+ .name = "usb_clk0",
+ .alias = "usb.clko",
+ /* Direct from ULPD, no parent */
+ .rate = 6000000,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
+};
+
+static struct clk usb_hhc_ck1510 = {
+ .name = "usb_hhc_ck",
+ /* Direct from ULPD, no parent */
+ .rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
+};
+
+static struct clk usb_hhc_ck16xx = {
+ .name = "usb_hhc_ck",
+ /* Direct from ULPD, no parent */
+ .rate = 48000000,
+ /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */
+ .flags = CLOCK_IN_OMAP16XX,
+};
+
+static struct clk usb_w2fc_mclk = {
+ .name = "usb_w2fc_mclk",
+ .alias = "usb_w2fc_ck",
+ .parent = &ck_48m,
+ .rate = 48000000,
+ .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
+};
+
+static struct clk mclk_1510 = {
+ .name = "mclk",
+ /* Direct from ULPD, no parent. May be enabled by ext hardware. */
+ .rate = 12000000,
+ .flags = CLOCK_IN_OMAP1510,
+};
+
+static struct clk bclk_310 = {
+ .name = "bt_mclk_out", /* Alias midi_mclk_out? */
+ .parent = &armper_ck,
+ .flags = CLOCK_IN_OMAP310,
+};
+
+static struct clk mclk_310 = {
+ .name = "com_mclk_out",
+ .parent = &armper_ck,
+ .flags = CLOCK_IN_OMAP310,
+};
+
+static struct clk mclk_16xx = {
+ .name = "mclk",
+ /* Direct from ULPD, no parent. May be enabled by ext hardware. */
+ .flags = CLOCK_IN_OMAP16XX,
+};
+
+static struct clk bclk_1510 = {
+ .name = "bclk",
+ /* Direct from ULPD, no parent. May be enabled by ext hardware. */
+ .rate = 12000000,
+ .flags = CLOCK_IN_OMAP1510,
+};
+
+static struct clk bclk_16xx = {
+ .name = "bclk",
+ /* Direct from ULPD, no parent. May be enabled by ext hardware. */
+ .flags = CLOCK_IN_OMAP16XX,
+};
+
+static struct clk mmc1_ck = {
+ .name = "mmc_ck",
+ .id = 1,
+ /* Functional clock is direct from ULPD, interface clock is ARMPER */
+ .parent = &armper_ck, /* either armper_ck or dpll4 */
+ .rate = 48000000,
+ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
+};
+
+static struct clk mmc2_ck = {
+ .name = "mmc_ck",
+ .id = 2,
+ /* Functional clock is direct from ULPD, interface clock is ARMPER */
+ .parent = &armper_ck,
+ .rate = 48000000,
+ .flags = CLOCK_IN_OMAP16XX,
+};
+
+static struct clk cam_mclk = {
+ .name = "cam.mclk",
+ .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
+ .rate = 12000000,
+};
+
+static struct clk cam_exclk = {
+ .name = "cam.exclk",
+ .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
+ /* Either 12M from cam.mclk or 48M from dpll4 */
+ .parent = &cam_mclk,
+};
+
+static struct clk cam_lclk = {
+ .name = "cam.lclk",
+ .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
+};
+
+static struct clk i2c_fck = {
+ .name = "i2c_fck",
+ .id = 1,
+ .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
+ ALWAYS_ENABLED,
+ .parent = &armxor_ck,
+};
+
+static struct clk i2c_ick = {
+ .name = "i2c_ick",
+ .id = 1,
+ .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
+ .parent = &armper_ck,
+};
+
+static struct clk clk32k = {
+ .name = "clk32-kHz",
+ .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
+ ALWAYS_ENABLED,
+ .parent = &xtal_osc32k,
+};
+
+static struct clk *onchip_clks[] = {
+ /* non-ULPD clocks */
+ &xtal_osc12m,
+ &xtal_osc32k,
+ &ck_ref,
+ &dpll1,
+ &dpll2,
+ &dpll3,
+ &dpll4,
+ &apll,
+ &ck_48m,
+ /* CK_GEN1 clocks */
+ &clkm1,
+ &ck_dpll1out,
+ &sossi_ck,
+ &arm_ck,
+ &armper_ck,
+ &arm_gpio_ck,
+ &armxor_ck,
+ &armtim_ck,
+ &armwdt_ck,
+ &arminth_ck15xx, &arminth_ck16xx,
+ /* CK_GEN2 clocks */
+ &clkm2,
+ &dsp_ck,
+ &dspmmu_ck,
+ &dspper_ck,
+ &dspxor_ck,
+ &dsptim_ck,
+ /* CK_GEN3 clocks */
+ &clkm3,
+ &tc_ck,
+ &tipb_ck,
+ &l3_ocpi_ck,
+ &tc1_ck,
+ &tc2_ck,
+ &dma_ck,
+ &dma_lcdfree_ck,
+ &api_ck,
+ &lb_ck,
+ &lbfree_ck,
+ &hsab_ck,
+ &rhea1_ck,
+ &rhea2_ck,
+ &lcd_ck_16xx,
+ &lcd_ck_1510,
+ /* ULPD clocks */
+ &uart1_1510,
+ &uart1_16xx,
+ &uart2_ck,
+ &uart3_1510,
+ &uart3_16xx,
+ &usb_clk0,
+ &usb_hhc_ck1510, &usb_hhc_ck16xx,
+ &mclk_1510, &mclk_16xx, &mclk_310,
+ &bclk_1510, &bclk_16xx, &bclk_310,
+ &mmc1_ck,
+ &mmc2_ck,
+ &cam_mclk,
+ &cam_exclk,
+ &cam_lclk,
+ &clk32k,
+ &usb_w2fc_mclk,
+ /* Virtual clocks */
+ &i2c_fck,
+ &i2c_ick,
+ 0
+};
+
+void omap_clk_adduser(struct clk *clk, qemu_irq user)
+{
+ qemu_irq *i;
+
+ for (i = clk->users; *i; i ++);
+ *i = user;
+}
+
+/* If a clock is allowed to idle, it is disabled automatically when
+ * all of clock domains using it are disabled. */
+int omap_clk_is_idle(struct clk *clk)
+{
+ struct clk *chld;
+
+ if (!clk->enabled && (!clk->usecount || !(clk->flags && ALWAYS_ENABLED)))
+ return 1;
+ if (clk->usecount)
+ return 0;
+
+ for (chld = clk->child1; chld; chld = chld->sibling)
+ if (!omap_clk_is_idle(chld))
+ return 0;
+ return 1;
+}
+
+struct clk *omap_findclk(struct omap_mpu_state_s *mpu, const char *name)
+{
+ struct clk *i;
+
+ for (i = mpu->clks; i->name; i ++)
+ if (!strcmp(i->name, name) || (i->alias && !strcmp(i->alias, name)))
+ return i;
+ cpu_abort(mpu->env, "%s: %s not found\n", __FUNCTION__, name);
+}
+
+void omap_clk_get(struct clk *clk)
+{
+ clk->usecount ++;
+}
+
+void omap_clk_put(struct clk *clk)
+{
+ if (!(clk->usecount --))
+ cpu_abort(cpu_single_env, "%s: %s is not in use\n",
+ __FUNCTION__, clk->name);
+}
+
+static void omap_clk_update(struct clk *clk)
+{
+ int parent, running;
+ qemu_irq *user;
+ struct clk *i;
+
+ if (clk->parent)
+ parent = clk->parent->running;
+ else
+ parent = 1;
+
+ running = parent && (clk->enabled ||
+ ((clk->flags & ALWAYS_ENABLED) && clk->usecount));
+ if (clk->running != running) {
+ clk->running = running;
+ for (user = clk->users; *user; user ++)
+ qemu_set_irq(*user, running);
+ for (i = clk->child1; i; i = i->sibling)
+ omap_clk_update(i);
+ }
+}
+
+static void omap_clk_rate_update_full(struct clk *clk, unsigned long int rate,
+ unsigned long int div, unsigned long int mult)
+{
+ struct clk *i;
+ qemu_irq *user;
+
+ clk->rate = muldiv64(rate, mult, div);
+ if (clk->running)
+ for (user = clk->users; *user; user ++)
+ qemu_irq_raise(*user);
+ for (i = clk->child1; i; i = i->sibling)
+ omap_clk_rate_update_full(i, rate,
+ div * i->divisor, mult * i->multiplier);
+}
+
+static void omap_clk_rate_update(struct clk *clk)
+{
+ struct clk *i;
+ unsigned long int div, mult = div = 1;
+
+ for (i = clk; i->parent; i = i->parent) {
+ div *= i->divisor;
+ mult *= i->multiplier;
+ }
+
+ omap_clk_rate_update_full(clk, i->rate, div, mult);
+}
+
+void omap_clk_reparent(struct clk *clk, struct clk *parent)
+{
+ struct clk **p;
+
+ if (clk->parent) {
+ for (p = &clk->parent->child1; *p != clk; p = &(*p)->sibling);
+ *p = clk->sibling;
+ }
+
+ clk->parent = parent;
+ if (parent) {
+ clk->sibling = parent->child1;
+ parent->child1 = clk;
+ omap_clk_update(clk);
+ omap_clk_rate_update(clk);
+ } else
+ clk->sibling = 0;
+}
+
+void omap_clk_onoff(struct clk *clk, int on)
+{
+ clk->enabled = on;
+ omap_clk_update(clk);
+}
+
+void omap_clk_canidle(struct clk *clk, int can)
+{
+ if (can)
+ omap_clk_put(clk);
+ else
+ omap_clk_get(clk);
+}
+
+void omap_clk_setrate(struct clk *clk, int divide, int multiply)
+{
+ clk->divisor = divide;
+ clk->multiplier = multiply;
+ omap_clk_rate_update(clk);
+}
+
+int64_t omap_clk_getrate(omap_clk clk)
+{
+ return clk->rate;
+}
+
+void omap_clk_init(struct omap_mpu_state_s *mpu)
+{
+ struct clk **i, *j, *k;
+ int count;
+ int flag;
+
+ if (cpu_is_omap310(mpu))
+ flag = CLOCK_IN_OMAP310;
+ else if (cpu_is_omap1510(mpu))
+ flag = CLOCK_IN_OMAP1510;
+ else
+ return;
+
+ for (i = onchip_clks, count = 0; *i; i ++)
+ if ((*i)->flags & flag)
+ count ++;
+ mpu->clks = (struct clk *) qemu_mallocz(sizeof(struct clk) * (count + 1));
+ for (i = onchip_clks, j = mpu->clks; *i; i ++)
+ if ((*i)->flags & flag) {
+ memcpy(j, *i, sizeof(struct clk));
+ for (k = mpu->clks; k < j; k ++)
+ if (j->parent && !strcmp(j->parent->name, k->name)) {
+ j->parent = k;
+ j->sibling = k->child1;
+ k->child1 = j;
+ } else if (k->parent && !strcmp(k->parent->name, j->name)) {
+ k->parent = j;
+ k->sibling = j->child1;
+ j->child1 = k;
+ }
+ j->divisor = j->divisor ?: 1;
+ j->multiplier = j->multiplier ?: 1;
+ j ++;
+ }
+ for (j = mpu->clks; count --; j ++) {
+ omap_clk_update(j);
+ omap_clk_rate_update(j);
+ }
+}
--- /dev/null
+/*
+ * TI OMAP DMA gigacell.
+ *
+ * Copyright (C) 2006-2008 Andrzej Zaborowski <balrog@zabor.org>
+ * Copyright (C) 2007-2008 Lauro Ramos Venancio <lauro.venancio@indt.org.br>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include "qemu-common.h"
+#include "qemu-timer.h"
+#include "omap.h"
+#include "irq.h"
+
+struct omap_dma_channel_s {
+ /* transfer data */
+ int burst[2];
+ int pack[2];
+ enum omap_dma_port port[2];
+ target_phys_addr_t addr[2];
+ omap_dma_addressing_t mode[2];
+ uint16_t elements;
+ uint16_t frames;
+ int16_t frame_index[2];
+ int16_t element_index[2];
+ int data_type;
+
+ /* transfer type */
+ int transparent_copy;
+ int constant_fill;
+ uint32_t color;
+
+ /* auto init and linked channel data */
+ int end_prog;
+ int repeat;
+ int auto_init;
+ int link_enabled;
+ int link_next_ch;
+
+ /* interruption data */
+ int interrupts;
+ int status;
+
+ /* state data */
+ int active;
+ int enable;
+ int sync;
+ int pending_request;
+ int waiting_end_prog;
+ uint16_t cpc;
+
+ /* sync type */
+ int fs;
+ int bs;
+
+ /* compatibility */
+ int omap_3_1_compatible_disable;
+
+ qemu_irq irq;
+ struct omap_dma_channel_s *sibling;
+
+ struct omap_dma_reg_set_s {
+ target_phys_addr_t src, dest;
+ int frame;
+ int element;
+ int frame_delta[2];
+ int elem_delta[2];
+ int frames;
+ int elements;
+ } active_set;
+
+ /* unused parameters */
+ int priority;
+ int interleave_disabled;
+ int type;
+};
+
+struct omap_dma_s {
+ QEMUTimer *tm;
+ struct omap_mpu_state_s *mpu;
+ target_phys_addr_t base;
+ omap_clk clk;
+ int64_t delay;
+ uint32_t drq;
+ enum omap_dma_model model;
+ int omap_3_1_mapping_disabled;
+
+ uint16_t gcr;
+ int run_count;
+
+ int chans;
+ struct omap_dma_channel_s ch[16];
+ struct omap_dma_lcd_channel_s lcd_ch;
+};
+
+/* Interrupts */
+#define TIMEOUT_INTR (1 << 0)
+#define EVENT_DROP_INTR (1 << 1)
+#define HALF_FRAME_INTR (1 << 2)
+#define END_FRAME_INTR (1 << 3)
+#define LAST_FRAME_INTR (1 << 4)
+#define END_BLOCK_INTR (1 << 5)
+#define SYNC (1 << 6)
+
+static void omap_dma_interrupts_update(struct omap_dma_s *s)
+{
+ struct omap_dma_channel_s *ch = s->ch;
+ int i;
+
+ if (s->omap_3_1_mapping_disabled) {
+ for (i = 0; i < s->chans; i ++, ch ++)
+ if (ch->status)
+ qemu_irq_raise(ch->irq);
+ } else {
+ /* First three interrupts are shared between two channels each. */
+ for (i = 0; i < 6; i ++, ch ++) {
+ if (ch->status || (ch->sibling && ch->sibling->status))
+ qemu_irq_raise(ch->irq);
+ }
+ }
+}
+
+static void omap_dma_channel_load(struct omap_dma_s *s,
+ struct omap_dma_channel_s *ch)
+{
+ struct omap_dma_reg_set_s *a = &ch->active_set;
+ int i;
+ int omap_3_1 = !ch->omap_3_1_compatible_disable;
+
+ /*
+ * TODO: verify address ranges and alignment
+ * TODO: port endianness
+ */
+
+ a->src = ch->addr[0];
+ a->dest = ch->addr[1];
+ a->frames = ch->frames;
+ a->elements = ch->elements;
+ a->frame = 0;
+ a->element = 0;
+
+ if (unlikely(!ch->elements || !ch->frames)) {
+ printf("%s: bad DMA request\n", __FUNCTION__);
+ return;
+ }
+
+ for (i = 0; i < 2; i ++)
+ switch (ch->mode[i]) {
+ case constant:
+ a->elem_delta[i] = 0;
+ a->frame_delta[i] = 0;
+ break;
+ case post_incremented:
+ a->elem_delta[i] = ch->data_type;
+ a->frame_delta[i] = 0;
+ break;
+ case single_index:
+ a->elem_delta[i] = ch->data_type +
+ ch->element_index[omap_3_1 ? 0 : i] - 1;
+ a->frame_delta[i] = 0;
+ break;
+ case double_index:
+ a->elem_delta[i] = ch->data_type +
+ ch->element_index[omap_3_1 ? 0 : i] - 1;
+ a->frame_delta[i] = ch->frame_index[omap_3_1 ? 0 : i] -
+ ch->element_index[omap_3_1 ? 0 : i];
+ break;
+ default:
+ break;
+ }
+}
+
+static void omap_dma_activate_channel(struct omap_dma_s *s,
+ struct omap_dma_channel_s *ch)
+{
+ if (!ch->active) {
+ ch->active = 1;
+ if (ch->sync)
+ ch->status |= SYNC;
+ s->run_count ++;
+ }
+
+ if (s->delay && !qemu_timer_pending(s->tm))
+ qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay);
+}
+
+static void omap_dma_deactivate_channel(struct omap_dma_s *s,
+ struct omap_dma_channel_s *ch)
+{
+ /* Update cpc */
+ ch->cpc = ch->active_set.dest & 0xffff;
+
+ if (ch->pending_request && !ch->waiting_end_prog) {
+ /* Don't deactivate the channel */
+ ch->pending_request = 0;
+ if (ch->enable)
+ return;
+ }
+
+ /* Don't deactive the channel if it is synchronized and the DMA request is
+ active */
+ if (ch->sync && (s->drq & (1 << ch->sync)) && ch->enable)
+ return;
+
+ if (ch->active) {
+ ch->active = 0;
+ ch->status &= ~SYNC;
+ s->run_count --;
+ }
+
+ if (!s->run_count)
+ qemu_del_timer(s->tm);
+}
+
+static void omap_dma_enable_channel(struct omap_dma_s *s,
+ struct omap_dma_channel_s *ch)
+{
+ if (!ch->enable) {
+ ch->enable = 1;
+ ch->waiting_end_prog = 0;
+ omap_dma_channel_load(s, ch);
+ if ((!ch->sync) || (s->drq & (1 << ch->sync)))
+ omap_dma_activate_channel(s, ch);
+ }
+}
+
+static void omap_dma_disable_channel(struct omap_dma_s *s,
+ struct omap_dma_channel_s *ch)
+{
+ if (ch->enable) {
+ ch->enable = 0;
+ /* Discard any pending request */
+ ch->pending_request = 0;
+ omap_dma_deactivate_channel(s, ch);
+ }
+}
+
+static void omap_dma_channel_end_prog(struct omap_dma_s *s,
+ struct omap_dma_channel_s *ch)
+{
+ if (ch->waiting_end_prog) {
+ ch->waiting_end_prog = 0;
+ if (!ch->sync || ch->pending_request) {
+ ch->pending_request = 0;
+ omap_dma_activate_channel(s, ch);
+ }
+ }
+}
+
+static void omap_dma_enable_3_1_mapping(struct omap_dma_s *s)
+{
+ s->omap_3_1_mapping_disabled = 0;
+ s->chans = 9;
+}
+
+static void omap_dma_disable_3_1_mapping(struct omap_dma_s *s)
+{
+ s->omap_3_1_mapping_disabled = 1;
+ s->chans = 16;
+}
+
+static void omap_dma_process_request(struct omap_dma_s *s, int request)
+{
+ int channel;
+ int drop_event = 0;
+ struct omap_dma_channel_s *ch = s->ch;
+
+ for (channel = 0; channel < s->chans; channel ++, ch ++) {
+ if (ch->enable && ch->sync == request) {
+ if (!ch->active)
+ omap_dma_activate_channel(s, ch);
+ else if (!ch->pending_request)
+ ch->pending_request = 1;
+ else {
+ /* Request collision */
+ /* Second request received while processing other request */
+ ch->status |= EVENT_DROP_INTR;
+ drop_event = 1;
+ }
+ }
+ }
+
+ if (drop_event)
+ omap_dma_interrupts_update(s);
+}
+
+static void omap_dma_channel_run(struct omap_dma_s *s)
+{
+ int n = s->chans;
+ uint16_t status;
+ uint8_t value[4];
+ struct omap_dma_port_if_s *src_p, *dest_p;
+ struct omap_dma_reg_set_s *a;
+ struct omap_dma_channel_s *ch;
+
+ for (ch = s->ch; n; n --, ch ++) {
+ if (!ch->active)
+ continue;
+
+ a = &ch->active_set;
+
+ src_p = &s->mpu->port[ch->port[0]];
+ dest_p = &s->mpu->port[ch->port[1]];
+ if ((!ch->constant_fill && !src_p->addr_valid(s->mpu, a->src)) ||
+ (!dest_p->addr_valid(s->mpu, a->dest))) {
+#if 0
+ /* Bus time-out */
+ if (ch->interrupts & TIMEOUT_INTR)
+ ch->status |= TIMEOUT_INTR;
+ omap_dma_deactivate_channel(s, ch);
+ continue;
+#endif
+ printf("%s: Bus time-out in DMA%i operation\n",
+ __FUNCTION__, s->chans - n);
+ }
+
+ status = ch->status;
+ while (status == ch->status && ch->active) {
+ /* Transfer a single element */
+ /* FIXME: check the endianness */
+ if (!ch->constant_fill)
+ cpu_physical_memory_read(a->src, value, ch->data_type);
+ else
+ *(uint32_t *) value = ch->color;
+
+ if (!ch->transparent_copy ||
+ *(uint32_t *) value != ch->color)
+ cpu_physical_memory_write(a->dest, value, ch->data_type);
+
+ a->src += a->elem_delta[0];
+ a->dest += a->elem_delta[1];
+ a->element ++;
+
+ /* If the channel is element synchronized, deactivate it */
+ if (ch->sync && !ch->fs && !ch->bs)
+ omap_dma_deactivate_channel(s, ch);
+
+ /* If it is the last frame, set the LAST_FRAME interrupt */
+ if (a->element == 1 && a->frame == a->frames - 1)
+ if (ch->interrupts & LAST_FRAME_INTR)
+ ch->status |= LAST_FRAME_INTR;
+
+ /* If the half of the frame was reached, set the HALF_FRAME
+ interrupt */
+ if (a->element == (a->elements >> 1))
+ if (ch->interrupts & HALF_FRAME_INTR)
+ ch->status |= HALF_FRAME_INTR;
+
+ if (a->element == a->elements) {
+ /* End of Frame */
+ a->element = 0;
+ a->src += a->frame_delta[0];
+ a->dest += a->frame_delta[1];
+ a->frame ++;
+
+ /* If the channel is frame synchronized, deactivate it */
+ if (ch->sync && ch->fs)
+ omap_dma_deactivate_channel(s, ch);
+
+ /* If the channel is async, update cpc */
+ if (!ch->sync)
+ ch->cpc = a->dest & 0xffff;
+
+ /* Set the END_FRAME interrupt */
+ if (ch->interrupts & END_FRAME_INTR)
+ ch->status |= END_FRAME_INTR;
+
+ if (a->frame == a->frames) {
+ /* End of Block */
+ /* Disable the channel */
+
+ if (ch->omap_3_1_compatible_disable) {
+ omap_dma_disable_channel(s, ch);
+ if (ch->link_enabled)
+ omap_dma_enable_channel(s,
+ &s->ch[ch->link_next_ch]);
+ } else {
+ if (!ch->auto_init)
+ omap_dma_disable_channel(s, ch);
+ else if (ch->repeat || ch->end_prog)
+ omap_dma_channel_load(s, ch);
+ else {
+ ch->waiting_end_prog = 1;
+ omap_dma_deactivate_channel(s, ch);
+ }
+ }
+
+ if (ch->interrupts & END_BLOCK_INTR)
+ ch->status |= END_BLOCK_INTR;
+ }
+ }
+ }
+ }
+
+ omap_dma_interrupts_update(s);
+ if (s->run_count && s->delay)
+ qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay);
+}
+
+void omap_dma_reset(struct omap_dma_s *s)
+{
+ int i;
+
+ qemu_del_timer(s->tm);
+ s->gcr = 0x0004;
+ s->drq = 0x00000000;
+ s->run_count = 0;
+ s->lcd_ch.src = emiff;
+ s->lcd_ch.condition = 0;
+ s->lcd_ch.interrupts = 0;
+ s->lcd_ch.dual = 0;
+ omap_dma_enable_3_1_mapping(s);
+ for (i = 0; i < s->chans; i ++) {
+ memset(&s->ch[i].burst, 0, sizeof(s->ch[i].burst));
+ memset(&s->ch[i].port, 0, sizeof(s->ch[i].port));
+ memset(&s->ch[i].mode, 0, sizeof(s->ch[i].mode));
+ memset(&s->ch[i].elements, 0, sizeof(s->ch[i].elements));
+ memset(&s->ch[i].frames, 0, sizeof(s->ch[i].frames));
+ memset(&s->ch[i].frame_index, 0, sizeof(s->ch[i].frame_index));
+ memset(&s->ch[i].element_index, 0, sizeof(s->ch[i].element_index));
+ memset(&s->ch[i].data_type, 0, sizeof(s->ch[i].data_type));
+ memset(&s->ch[i].transparent_copy, 0,
+ sizeof(s->ch[i].transparent_copy));
+ memset(&s->ch[i].constant_fill, 0, sizeof(s->ch[i].constant_fill));
+ memset(&s->ch[i].color, 0, sizeof(s->ch[i].color));
+ memset(&s->ch[i].end_prog, 0, sizeof(s->ch[i].end_prog));
+ memset(&s->ch[i].repeat, 0, sizeof(s->ch[i].repeat));
+ memset(&s->ch[i].auto_init, 0, sizeof(s->ch[i].auto_init));
+ memset(&s->ch[i].link_enabled, 0, sizeof(s->ch[i].link_enabled));
+ memset(&s->ch[i].link_next_ch, 0, sizeof(s->ch[i].link_next_ch));
+ s->ch[i].interrupts = 0x0003;
+ memset(&s->ch[i].status, 0, sizeof(s->ch[i].status));
+ memset(&s->ch[i].active, 0, sizeof(s->ch[i].active));
+ memset(&s->ch[i].enable, 0, sizeof(s->ch[i].enable));
+ memset(&s->ch[i].sync, 0, sizeof(s->ch[i].sync));
+ memset(&s->ch[i].pending_request, 0, sizeof(s->ch[i].pending_request));
+ memset(&s->ch[i].waiting_end_prog, 0,
+ sizeof(s->ch[i].waiting_end_prog));
+ memset(&s->ch[i].cpc, 0, sizeof(s->ch[i].cpc));
+ memset(&s->ch[i].fs, 0, sizeof(s->ch[i].fs));
+ memset(&s->ch[i].bs, 0, sizeof(s->ch[i].bs));
+ memset(&s->ch[i].omap_3_1_compatible_disable, 0,
+ sizeof(s->ch[i].omap_3_1_compatible_disable));
+ memset(&s->ch[i].active_set, 0, sizeof(s->ch[i].active_set));
+ memset(&s->ch[i].priority, 0, sizeof(s->ch[i].priority));
+ memset(&s->ch[i].interleave_disabled, 0,
+ sizeof(s->ch[i].interleave_disabled));
+ memset(&s->ch[i].type, 0, sizeof(s->ch[i].type));
+ }
+}
+
+static int omap_dma_ch_reg_read(struct omap_dma_s *s,
+ struct omap_dma_channel_s *ch, int reg, uint16_t *value)
+{
+ switch (reg) {
+ case 0x00: /* SYS_DMA_CSDP_CH0 */
+ *value = (ch->burst[1] << 14) |
+ (ch->pack[1] << 13) |
+ (ch->port[1] << 9) |
+ (ch->burst[0] << 7) |
+ (ch->pack[0] << 6) |
+ (ch->port[0] << 2) |
+ (ch->data_type >> 1);
+ break;
+
+ case 0x02: /* SYS_DMA_CCR_CH0 */
+ if (s->model == omap_dma_3_1)
+ *value = 0 << 10; /* FIFO_FLUSH reads as 0 */
+ else
+ *value = ch->omap_3_1_compatible_disable << 10;
+ *value |= (ch->mode[1] << 14) |
+ (ch->mode[0] << 12) |
+ (ch->end_prog << 11) |
+ (ch->repeat << 9) |
+ (ch->auto_init << 8) |
+ (ch->enable << 7) |
+ (ch->priority << 6) |
+ (ch->fs << 5) | ch->sync;
+ break;
+
+ case 0x04: /* SYS_DMA_CICR_CH0 */
+ *value = ch->interrupts;
+ break;
+
+ case 0x06: /* SYS_DMA_CSR_CH0 */
+ *value = ch->status;
+ ch->status &= SYNC;
+ if (!ch->omap_3_1_compatible_disable && ch->sibling) {
+ *value |= (ch->sibling->status & 0x3f) << 6;
+ ch->sibling->status &= SYNC;
+ }
+ qemu_irq_lower(ch->irq);
+ break;
+
+ case 0x08: /* SYS_DMA_CSSA_L_CH0 */
+ *value = ch->addr[0] & 0x0000ffff;
+ break;
+
+ case 0x0a: /* SYS_DMA_CSSA_U_CH0 */
+ *value = ch->addr[0] >> 16;
+ break;
+
+ case 0x0c: /* SYS_DMA_CDSA_L_CH0 */
+ *value = ch->addr[1] & 0x0000ffff;
+ break;
+
+ case 0x0e: /* SYS_DMA_CDSA_U_CH0 */
+ *value = ch->addr[1] >> 16;
+ break;
+
+ case 0x10: /* SYS_DMA_CEN_CH0 */
+ *value = ch->elements;
+ break;
+
+ case 0x12: /* SYS_DMA_CFN_CH0 */
+ *value = ch->frames;
+ break;
+
+ case 0x14: /* SYS_DMA_CFI_CH0 */
+ *value = ch->frame_index[0];
+ break;
+
+ case 0x16: /* SYS_DMA_CEI_CH0 */
+ *value = ch->element_index[0];
+ break;
+
+ case 0x18: /* SYS_DMA_CPC_CH0 or DMA_CSAC */
+ if (ch->omap_3_1_compatible_disable)
+ *value = ch->active_set.src & 0xffff; /* CSAC */
+ else
+ *value = ch->cpc;
+ break;
+
+ case 0x1a: /* DMA_CDAC */
+ *value = ch->active_set.dest & 0xffff; /* CDAC */
+ break;
+
+ case 0x1c: /* DMA_CDEI */
+ *value = ch->element_index[1];
+ break;
+
+ case 0x1e: /* DMA_CDFI */
+ *value = ch->frame_index[1];
+ break;
+
+ case 0x20: /* DMA_COLOR_L */
+ *value = ch->color & 0xffff;
+ break;
+
+ case 0x22: /* DMA_COLOR_U */
+ *value = ch->color >> 16;
+ break;
+
+ case 0x24: /* DMA_CCR2 */
+ *value = (ch->bs << 2) |
+ (ch->transparent_copy << 1) |
+ ch->constant_fill;
+ break;
+
+ case 0x28: /* DMA_CLNK_CTRL */
+ *value = (ch->link_enabled << 15) |
+ (ch->link_next_ch & 0xf);
+ break;
+
+ case 0x2a: /* DMA_LCH_CTRL */
+ *value = (ch->interleave_disabled << 15) |
+ ch->type;
+ break;
+
+ default:
+ return 1;
+ }
+ return 0;
+}
+
+static int omap_dma_ch_reg_write(struct omap_dma_s *s,
+ struct omap_dma_channel_s *ch, int reg, uint16_t value)
+{
+ switch (reg) {
+ case 0x00: /* SYS_DMA_CSDP_CH0 */
+ ch->burst[1] = (value & 0xc000) >> 14;
+ ch->pack[1] = (value & 0x2000) >> 13;
+ ch->port[1] = (enum omap_dma_port) ((value & 0x1e00) >> 9);
+ ch->burst[0] = (value & 0x0180) >> 7;
+ ch->pack[0] = (value & 0x0040) >> 6;
+ ch->port[0] = (enum omap_dma_port) ((value & 0x003c) >> 2);
+ ch->data_type = (1 << (value & 3));
+ if (ch->port[0] >= omap_dma_port_last)
+ printf("%s: invalid DMA port %i\n", __FUNCTION__,
+ ch->port[0]);
+ if (ch->port[1] >= omap_dma_port_last)
+ printf("%s: invalid DMA port %i\n", __FUNCTION__,
+ ch->port[1]);
+ if ((value & 3) == 3)
+ printf("%s: bad data_type for DMA channel\n", __FUNCTION__);
+ break;
+
+ case 0x02: /* SYS_DMA_CCR_CH0 */
+ ch->mode[1] = (omap_dma_addressing_t) ((value & 0xc000) >> 14);
+ ch->mode[0] = (omap_dma_addressing_t) ((value & 0x3000) >> 12);
+ ch->end_prog = (value & 0x0800) >> 11;
+ if (s->model > omap_dma_3_1)
+ ch->omap_3_1_compatible_disable = (value >> 10) & 0x1;
+ ch->repeat = (value & 0x0200) >> 9;
+ ch->auto_init = (value & 0x0100) >> 8;
+ ch->priority = (value & 0x0040) >> 6;
+ ch->fs = (value & 0x0020) >> 5;
+ ch->sync = value & 0x001f;
+
+ if (value & 0x0080)
+ omap_dma_enable_channel(s, ch);
+ else
+ omap_dma_disable_channel(s, ch);
+
+ if (ch->end_prog)
+ omap_dma_channel_end_prog(s, ch);
+
+ break;
+
+ case 0x04: /* SYS_DMA_CICR_CH0 */
+ ch->interrupts = value;
+ break;
+
+ case 0x06: /* SYS_DMA_CSR_CH0 */
+ OMAP_RO_REG((target_phys_addr_t) reg);
+ break;
+
+ case 0x08: /* SYS_DMA_CSSA_L_CH0 */
+ ch->addr[0] &= 0xffff0000;
+ ch->addr[0] |= value;
+ break;
+
+ case 0x0a: /* SYS_DMA_CSSA_U_CH0 */
+ ch->addr[0] &= 0x0000ffff;
+ ch->addr[0] |= (uint32_t) value << 16;
+ break;
+
+ case 0x0c: /* SYS_DMA_CDSA_L_CH0 */
+ ch->addr[1] &= 0xffff0000;
+ ch->addr[1] |= value;
+ break;
+
+ case 0x0e: /* SYS_DMA_CDSA_U_CH0 */
+ ch->addr[1] &= 0x0000ffff;
+ ch->addr[1] |= (uint32_t) value << 16;
+ break;
+
+ case 0x10: /* SYS_DMA_CEN_CH0 */
+ ch->elements = value;
+ break;
+
+ case 0x12: /* SYS_DMA_CFN_CH0 */
+ ch->frames = value;
+ break;
+
+ case 0x14: /* SYS_DMA_CFI_CH0 */
+ ch->frame_index[0] = (int16_t) value;
+ break;
+
+ case 0x16: /* SYS_DMA_CEI_CH0 */
+ ch->element_index[0] = (int16_t) value;
+ break;
+
+ case 0x18: /* SYS_DMA_CPC_CH0 or DMA_CSAC */
+ OMAP_RO_REG((target_phys_addr_t) reg);
+ break;
+
+ case 0x1c: /* DMA_CDEI */
+ ch->element_index[1] = (int16_t) value;
+ break;
+
+ case 0x1e: /* DMA_CDFI */
+ ch->frame_index[1] = (int16_t) value;
+ break;
+
+ case 0x20: /* DMA_COLOR_L */
+ ch->color &= 0xffff0000;
+ ch->color |= value;
+ break;
+
+ case 0x22: /* DMA_COLOR_U */
+ ch->color &= 0xffff;
+ ch->color |= value << 16;
+ break;
+
+ case 0x24: /* DMA_CCR2 */
+ ch->bs = (value >> 2) & 0x1;
+ ch->transparent_copy = (value >> 1) & 0x1;
+ ch->constant_fill = value & 0x1;
+ break;
+
+ case 0x28: /* DMA_CLNK_CTRL */
+ ch->link_enabled = (value >> 15) & 0x1;
+ if (value & (1 << 14)) { /* Stop_Lnk */
+ ch->link_enabled = 0;
+ omap_dma_disable_channel(s, ch);
+ }
+ ch->link_next_ch = value & 0x1f;
+ break;
+
+ case 0x2a: /* DMA_LCH_CTRL */
+ ch->interleave_disabled = (value >> 15) & 0x1;
+ ch->type = value & 0xf;
+ break;
+
+ default:
+ return 1;
+ }
+ return 0;
+}
+
+static int omap_dma_3_2_lcd_write(struct omap_dma_lcd_channel_s *s, int offset,
+ uint16_t value)
+{
+ switch (offset) {
+ case 0xbc0: /* DMA_LCD_CSDP */
+ s->brust_f2 = (value >> 14) & 0x3;
+ s->pack_f2 = (value >> 13) & 0x1;
+ s->data_type_f2 = (1 << ((value >> 11) & 0x3));
+ s->brust_f1 = (value >> 7) & 0x3;
+ s->pack_f1 = (value >> 6) & 0x1;
+ s->data_type_f1 = (1 << ((value >> 0) & 0x3));
+ break;
+
+ case 0xbc2: /* DMA_LCD_CCR */
+ s->mode_f2 = (value >> 14) & 0x3;
+ s->mode_f1 = (value >> 12) & 0x3;
+ s->end_prog = (value >> 11) & 0x1;
+ s->omap_3_1_compatible_disable = (value >> 10) & 0x1;
+ s->repeat = (value >> 9) & 0x1;
+ s->auto_init = (value >> 8) & 0x1;
+ s->running = (value >> 7) & 0x1;
+ s->priority = (value >> 6) & 0x1;
+ s->bs = (value >> 4) & 0x1;
+ break;
+
+ case 0xbc4: /* DMA_LCD_CTRL */
+ s->dst = (value >> 8) & 0x1;
+ s->src = ((value >> 6) & 0x3) << 1;
+ s->condition = 0;
+ /* Assume no bus errors and thus no BUS_ERROR irq bits. */
+ s->interrupts = (value >> 1) & 1;
+ s->dual = value & 1;
+ break;
+
+ case 0xbc8: /* TOP_B1_L */
+ s->src_f1_top &= 0xffff0000;
+ s->src_f1_top |= 0x0000ffff & value;
+ break;
+
+ case 0xbca: /* TOP_B1_U */
+ s->src_f1_top &= 0x0000ffff;
+ s->src_f1_top |= value << 16;
+ break;
+
+ case 0xbcc: /* BOT_B1_L */
+ s->src_f1_bottom &= 0xffff0000;
+ s->src_f1_bottom |= 0x0000ffff & value;
+ break;
+
+ case 0xbce: /* BOT_B1_U */
+ s->src_f1_bottom &= 0x0000ffff;
+ s->src_f1_bottom |= (uint32_t) value << 16;
+ break;
+
+ case 0xbd0: /* TOP_B2_L */
+ s->src_f2_top &= 0xffff0000;
+ s->src_f2_top |= 0x0000ffff & value;
+ break;
+
+ case 0xbd2: /* TOP_B2_U */
+ s->src_f2_top &= 0x0000ffff;
+ s->src_f2_top |= (uint32_t) value << 16;
+ break;
+
+ case 0xbd4: /* BOT_B2_L */
+ s->src_f2_bottom &= 0xffff0000;
+ s->src_f2_bottom |= 0x0000ffff & value;
+ break;
+
+ case 0xbd6: /* BOT_B2_U */
+ s->src_f2_bottom &= 0x0000ffff;
+ s->src_f2_bottom |= (uint32_t) value << 16;
+ break;
+
+ case 0xbd8: /* DMA_LCD_SRC_EI_B1 */
+ s->element_index_f1 = value;
+ break;
+
+ case 0xbda: /* DMA_LCD_SRC_FI_B1_L */
+ s->frame_index_f1 &= 0xffff0000;
+ s->frame_index_f1 |= 0x0000ffff & value;
+ break;
+
+ case 0xbf4: /* DMA_LCD_SRC_FI_B1_U */
+ s->frame_index_f1 &= 0x0000ffff;
+ s->frame_index_f1 |= (uint32_t) value << 16;
+ break;
+
+ case 0xbdc: /* DMA_LCD_SRC_EI_B2 */
+ s->element_index_f2 = value;
+ break;
+
+ case 0xbde: /* DMA_LCD_SRC_FI_B2_L */
+ s->frame_index_f2 &= 0xffff0000;
+ s->frame_index_f2 |= 0x0000ffff & value;
+ break;
+
+ case 0xbf6: /* DMA_LCD_SRC_FI_B2_U */
+ s->frame_index_f2 &= 0x0000ffff;
+ s->frame_index_f2 |= (uint32_t) value << 16;
+ break;
+
+ case 0xbe0: /* DMA_LCD_SRC_EN_B1 */
+ s->elements_f1 = value;
+ break;
+
+ case 0xbe4: /* DMA_LCD_SRC_FN_B1 */
+ s->frames_f1 = value;
+ break;
+
+ case 0xbe2: /* DMA_LCD_SRC_EN_B2 */
+ s->elements_f2 = value;
+ break;
+
+ case 0xbe6: /* DMA_LCD_SRC_FN_B2 */
+ s->frames_f2 = value;
+ break;
+
+ case 0xbea: /* DMA_LCD_LCH_CTRL */
+ s->lch_type = value & 0xf;
+ break;
+
+ default:
+ return 1;
+ }
+ return 0;
+}
+
+static int omap_dma_3_2_lcd_read(struct omap_dma_lcd_channel_s *s, int offset,
+ uint16_t *ret)
+{
+ switch (offset) {
+ case 0xbc0: /* DMA_LCD_CSDP */
+ *ret = (s->brust_f2 << 14) |
+ (s->pack_f2 << 13) |
+ ((s->data_type_f2 >> 1) << 11) |
+ (s->brust_f1 << 7) |
+ (s->pack_f1 << 6) |
+ ((s->data_type_f1 >> 1) << 0);
+ break;
+
+ case 0xbc2: /* DMA_LCD_CCR */
+ *ret = (s->mode_f2 << 14) |
+ (s->mode_f1 << 12) |
+ (s->end_prog << 11) |
+ (s->omap_3_1_compatible_disable << 10) |
+ (s->repeat << 9) |
+ (s->auto_init << 8) |
+ (s->running << 7) |
+ (s->priority << 6) |
+ (s->bs << 4);
+ break;
+
+ case 0xbc4: /* DMA_LCD_CTRL */
+ qemu_irq_lower(s->irq);
+ *ret = (s->dst << 8) |
+ ((s->src & 0x6) << 5) |
+ (s->condition << 3) |
+ (s->interrupts << 1) |
+ s->dual;
+ break;
+
+ case 0xbc8: /* TOP_B1_L */
+ *ret = s->src_f1_top & 0xffff;
+ break;
+
+ case 0xbca: /* TOP_B1_U */
+ *ret = s->src_f1_top >> 16;
+ break;
+
+ case 0xbcc: /* BOT_B1_L */
+ *ret = s->src_f1_bottom & 0xffff;
+ break;
+
+ case 0xbce: /* BOT_B1_U */
+ *ret = s->src_f1_bottom >> 16;
+ break;
+
+ case 0xbd0: /* TOP_B2_L */
+ *ret = s->src_f2_top & 0xffff;
+ break;
+
+ case 0xbd2: /* TOP_B2_U */
+ *ret = s->src_f2_top >> 16;
+ break;
+
+ case 0xbd4: /* BOT_B2_L */
+ *ret = s->src_f2_bottom & 0xffff;
+ break;
+
+ case 0xbd6: /* BOT_B2_U */
+ *ret = s->src_f2_bottom >> 16;
+ break;
+
+ case 0xbd8: /* DMA_LCD_SRC_EI_B1 */
+ *ret = s->element_index_f1;
+ break;
+
+ case 0xbda: /* DMA_LCD_SRC_FI_B1_L */
+ *ret = s->frame_index_f1 & 0xffff;
+ break;
+
+ case 0xbf4: /* DMA_LCD_SRC_FI_B1_U */
+ *ret = s->frame_index_f1 >> 16;
+ break;
+
+ case 0xbdc: /* DMA_LCD_SRC_EI_B2 */
+ *ret = s->element_index_f2;
+ break;
+
+ case 0xbde: /* DMA_LCD_SRC_FI_B2_L */
+ *ret = s->frame_index_f2 & 0xffff;
+ break;
+
+ case 0xbf6: /* DMA_LCD_SRC_FI_B2_U */
+ *ret = s->frame_index_f2 >> 16;
+ break;
+
+ case 0xbe0: /* DMA_LCD_SRC_EN_B1 */
+ *ret = s->elements_f1;
+ break;
+
+ case 0xbe4: /* DMA_LCD_SRC_FN_B1 */
+ *ret = s->frames_f1;
+ break;
+
+ case 0xbe2: /* DMA_LCD_SRC_EN_B2 */
+ *ret = s->elements_f2;
+ break;
+
+ case 0xbe6: /* DMA_LCD_SRC_FN_B2 */
+ *ret = s->frames_f2;
+ break;
+
+ case 0xbea: /* DMA_LCD_LCH_CTRL */
+ *ret = s->lch_type;
+ break;
+
+ default:
+ return 1;
+ }
+ return 0;
+}
+
+static int omap_dma_3_1_lcd_write(struct omap_dma_lcd_channel_s *s, int offset,
+ uint16_t value)
+{
+ switch (offset) {
+ case 0x300: /* SYS_DMA_LCD_CTRL */
+ s->src = (value & 0x40) ? imif : emiff;
+ s->condition = 0;
+ /* Assume no bus errors and thus no BUS_ERROR irq bits. */
+ s->interrupts = (value >> 1) & 1;
+ s->dual = value & 1;
+ break;
+
+ case 0x302: /* SYS_DMA_LCD_TOP_F1_L */
+ s->src_f1_top &= 0xffff0000;
+ s->src_f1_top |= 0x0000ffff & value;
+ break;
+
+ case 0x304: /* SYS_DMA_LCD_TOP_F1_U */
+ s->src_f1_top &= 0x0000ffff;
+ s->src_f1_top |= value << 16;
+ break;
+
+ case 0x306: /* SYS_DMA_LCD_BOT_F1_L */
+ s->src_f1_bottom &= 0xffff0000;
+ s->src_f1_bottom |= 0x0000ffff & value;
+ break;
+
+ case 0x308: /* SYS_DMA_LCD_BOT_F1_U */
+ s->src_f1_bottom &= 0x0000ffff;
+ s->src_f1_bottom |= value << 16;
+ break;
+
+ case 0x30a: /* SYS_DMA_LCD_TOP_F2_L */
+ s->src_f2_top &= 0xffff0000;
+ s->src_f2_top |= 0x0000ffff & value;
+ break;
+
+ case 0x30c: /* SYS_DMA_LCD_TOP_F2_U */
+ s->src_f2_top &= 0x0000ffff;
+ s->src_f2_top |= value << 16;
+ break;
+
+ case 0x30e: /* SYS_DMA_LCD_BOT_F2_L */
+ s->src_f2_bottom &= 0xffff0000;
+ s->src_f2_bottom |= 0x0000ffff & value;
+ break;
+
+ case 0x310: /* SYS_DMA_LCD_BOT_F2_U */
+ s->src_f2_bottom &= 0x0000ffff;
+ s->src_f2_bottom |= value << 16;
+ break;
+
+ default:
+ return 1;
+ }
+ return 0;
+}
+
+static int omap_dma_3_1_lcd_read(struct omap_dma_lcd_channel_s *s, int offset,
+ uint16_t *ret)
+{
+ int i;
+
+ switch (offset) {
+ case 0x300: /* SYS_DMA_LCD_CTRL */
+ i = s->condition;
+ s->condition = 0;
+ qemu_irq_lower(s->irq);
+ *ret = ((s->src == imif) << 6) | (i << 3) |
+ (s->interrupts << 1) | s->dual;
+ break;
+
+ case 0x302: /* SYS_DMA_LCD_TOP_F1_L */
+ *ret = s->src_f1_top & 0xffff;
+ break;
+
+ case 0x304: /* SYS_DMA_LCD_TOP_F1_U */
+ *ret = s->src_f1_top >> 16;
+ break;
+
+ case 0x306: /* SYS_DMA_LCD_BOT_F1_L */
+ *ret = s->src_f1_bottom & 0xffff;
+ break;
+
+ case 0x308: /* SYS_DMA_LCD_BOT_F1_U */
+ *ret = s->src_f1_bottom >> 16;
+ break;
+
+ case 0x30a: /* SYS_DMA_LCD_TOP_F2_L */
+ *ret = s->src_f2_top & 0xffff;
+ break;
+
+ case 0x30c: /* SYS_DMA_LCD_TOP_F2_U */
+ *ret = s->src_f2_top >> 16;
+ break;
+
+ case 0x30e: /* SYS_DMA_LCD_BOT_F2_L */
+ *ret = s->src_f2_bottom & 0xffff;
+ break;
+
+ case 0x310: /* SYS_DMA_LCD_BOT_F2_U */
+ *ret = s->src_f2_bottom >> 16;
+ break;
+
+ default:
+ return 1;
+ }
+ return 0;
+}
+
+static int omap_dma_sys_write(struct omap_dma_s *s, int offset, uint16_t value)
+{
+ switch (offset) {
+ case 0x400: /* SYS_DMA_GCR */
+ s->gcr = value;
+ break;
+
+ case 0x404: /* DMA_GSCR */
+ if (value & 0x8)
+ omap_dma_disable_3_1_mapping(s);
+ else
+ omap_dma_enable_3_1_mapping(s);
+ break;
+
+ case 0x408: /* DMA_GRST */
+ if (value & 0x1)
+ omap_dma_reset(s);
+ break;
+
+ default:
+ return 1;
+ }
+ return 0;
+}
+
+static int omap_dma_sys_read(struct omap_dma_s *s, int offset,
+ uint16_t *ret)
+{
+ switch (offset) {
+ case 0x400: /* SYS_DMA_GCR */
+ *ret = s->gcr;
+ break;
+
+ case 0x404: /* DMA_GSCR */
+ *ret = s->omap_3_1_mapping_disabled << 3;
+ break;
+
+ case 0x408: /* DMA_GRST */
+ *ret = 0;
+ break;
+
+ case 0x442: /* DMA_HW_ID */
+ case 0x444: /* DMA_PCh2_ID */
+ case 0x446: /* DMA_PCh0_ID */
+ case 0x448: /* DMA_PCh1_ID */
+ case 0x44a: /* DMA_PChG_ID */
+ case 0x44c: /* DMA_PChD_ID */
+ *ret = 1;
+ break;
+
+ case 0x44e: /* DMA_CAPS_0_U */
+ *ret = (1 << 3) | /* Constant Fill Capacity */
+ (1 << 2); /* Transparent BLT Capacity */
+ break;
+
+ case 0x450: /* DMA_CAPS_0_L */
+ case 0x452: /* DMA_CAPS_1_U */
+ *ret = 0;
+ break;
+
+ case 0x454: /* DMA_CAPS_1_L */
+ *ret = (1 << 1); /* 1-bit palletized capability */
+ break;
+
+ case 0x456: /* DMA_CAPS_2 */
+ *ret = (1 << 8) | /* SSDIC */
+ (1 << 7) | /* DDIAC */
+ (1 << 6) | /* DSIAC */
+ (1 << 5) | /* DPIAC */
+ (1 << 4) | /* DCAC */
+ (1 << 3) | /* SDIAC */
+ (1 << 2) | /* SSIAC */
+ (1 << 1) | /* SPIAC */
+ 1; /* SCAC */
+ break;
+
+ case 0x458: /* DMA_CAPS_3 */
+ *ret = (1 << 5) | /* CCC */
+ (1 << 4) | /* IC */
+ (1 << 3) | /* ARC */
+ (1 << 2) | /* AEC */
+ (1 << 1) | /* FSC */
+ 1; /* ESC */
+ break;
+
+ case 0x45a: /* DMA_CAPS_4 */
+ *ret = (1 << 6) | /* SSC */
+ (1 << 5) | /* BIC */
+ (1 << 4) | /* LFIC */
+ (1 << 3) | /* FIC */
+ (1 << 2) | /* HFIC */
+ (1 << 1) | /* EDIC */
+ 1; /* TOIC */
+ break;
+
+ case 0x460: /* DMA_PCh2_SR */
+ case 0x480: /* DMA_PCh0_SR */
+ case 0x482: /* DMA_PCh1_SR */
+ case 0x4c0: /* DMA_PChD_SR_0 */
+ printf("%s: Physical Channel Status Registers not implemented.\n",
+ __FUNCTION__);
+ *ret = 0xff;
+ break;
+
+ default:
+ return 1;
+ }
+ return 0;
+}
+
+static uint32_t omap_dma_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_dma_s *s = (struct omap_dma_s *) opaque;
+ int reg, ch, offset = addr - s->base;
+ uint16_t ret;
+
+ switch (offset) {
+ case 0x300 ... 0x3fe:
+ if (s->model == omap_dma_3_1 || !s->omap_3_1_mapping_disabled) {
+ if (omap_dma_3_1_lcd_read(&s->lcd_ch, offset, &ret))
+ break;
+ return ret;
+ }
+ /* Fall through. */
+ case 0x000 ... 0x2fe:
+ reg = offset & 0x3f;
+ ch = (offset >> 6) & 0x0f;
+ if (omap_dma_ch_reg_read(s, &s->ch[ch], reg, &ret))
+ break;
+ return ret;
+
+ case 0x404 ... 0x4fe:
+ if (s->model == omap_dma_3_1)
+ break;
+ /* Fall through. */
+ case 0x400:
+ if (omap_dma_sys_read(s, offset, &ret))
+ break;
+ return ret;
+
+ case 0xb00 ... 0xbfe:
+ if (s->model == omap_dma_3_2 && s->omap_3_1_mapping_disabled) {
+ if (omap_dma_3_2_lcd_read(&s->lcd_ch, offset, &ret))
+ break;
+ return ret;
+ }
+ break;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_dma_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_dma_s *s = (struct omap_dma_s *) opaque;
+ int reg, ch, offset = addr - s->base;
+
+ switch (offset) {
+ case 0x300 ... 0x3fe:
+ if (s->model == omap_dma_3_1 || !s->omap_3_1_mapping_disabled) {
+ if (omap_dma_3_1_lcd_write(&s->lcd_ch, offset, value))
+ break;
+ return;
+ }
+ /* Fall through. */
+ case 0x000 ... 0x2fe:
+ reg = offset & 0x3f;
+ ch = (offset >> 6) & 0x0f;
+ if (omap_dma_ch_reg_write(s, &s->ch[ch], reg, value))
+ break;
+ return;
+
+ case 0x404 ... 0x4fe:
+ if (s->model == omap_dma_3_1)
+ break;
+ case 0x400:
+ /* Fall through. */
+ if (omap_dma_sys_write(s, offset, value))
+ break;
+ return;
+
+ case 0xb00 ... 0xbfe:
+ if (s->model == omap_dma_3_2 && s->omap_3_1_mapping_disabled) {
+ if (omap_dma_3_2_lcd_write(&s->lcd_ch, offset, value))
+ break;
+ return;
+ }
+ break;
+ }
+
+ OMAP_BAD_REG(addr);
+}
+
+static CPUReadMemoryFunc *omap_dma_readfn[] = {
+ omap_badwidth_read16,
+ omap_dma_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_dma_writefn[] = {
+ omap_badwidth_write16,
+ omap_dma_write,
+ omap_badwidth_write16,
+};
+
+static void omap_dma_request(void *opaque, int drq, int req)
+{
+ struct omap_dma_s *s = (struct omap_dma_s *) opaque;
+ /* The request pins are level triggered. */
+ if (req) {
+ if (~s->drq & (1 << drq)) {
+ s->drq |= 1 << drq;
+ omap_dma_process_request(s, drq);
+ }
+ } else
+ s->drq &= ~(1 << drq);
+}
+
+static void omap_dma_clk_update(void *opaque, int line, int on)
+{
+ struct omap_dma_s *s = (struct omap_dma_s *) opaque;
+
+ if (on) {
+ /* TODO: make a clever calculation */
+ s->delay = ticks_per_sec >> 8;
+ if (s->run_count)
+ qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay);
+ } else {
+ s->delay = 0;
+ qemu_del_timer(s->tm);
+ }
+}
+
+struct omap_dma_s *omap_dma_init(target_phys_addr_t base, qemu_irq *irqs,
+ qemu_irq lcd_irq, struct omap_mpu_state_s *mpu, omap_clk clk,
+ enum omap_dma_model model)
+{
+ int iomemtype, num_irqs, memsize, i;
+ struct omap_dma_s *s = (struct omap_dma_s *)
+ qemu_mallocz(sizeof(struct omap_dma_s));
+
+ if (model == omap_dma_3_1) {
+ num_irqs = 6;
+ memsize = 0x800;
+ } else {
+ num_irqs = 16;
+ memsize = 0xc00;
+ }
+ s->base = base;
+ s->model = model;
+ s->mpu = mpu;
+ s->clk = clk;
+ s->lcd_ch.irq = lcd_irq;
+ s->lcd_ch.mpu = mpu;
+ while (num_irqs --)
+ s->ch[num_irqs].irq = irqs[num_irqs];
+ for (i = 0; i < 3; i ++) {
+ s->ch[i].sibling = &s->ch[i + 6];
+ s->ch[i + 6].sibling = &s->ch[i];
+ }
+ s->tm = qemu_new_timer(vm_clock, (QEMUTimerCB *) omap_dma_channel_run, s);
+ omap_clk_adduser(s->clk, qemu_allocate_irqs(omap_dma_clk_update, s, 1)[0]);
+ mpu->drq = qemu_allocate_irqs(omap_dma_request, s, 32);
+ omap_dma_reset(s);
+ omap_dma_clk_update(s, 0, 1);
+
+ iomemtype = cpu_register_io_memory(0, omap_dma_readfn,
+ omap_dma_writefn, s);
+ cpu_register_physical_memory(s->base, memsize, iomemtype);
+
+ return s;
+}
+
+struct omap_dma_lcd_channel_s *omap_dma_get_lcdch(struct omap_dma_s *s)
+{
+ return &s->lcd_ch;
+}
projects / sdk / emulator / qemu.git / commitdiff