# U-Boot objects....order is important (i.e. start must be first)
OBJS = $(CPUDIR)/start.o
-ifeq ($(CPU),x86)
-RESET_OBJS-$(CONFIG_X86_NO_RESET_VECTOR) += $(CPUDIR)/start16.o
-RESET_OBJS-$(CONFIG_X86_NO_RESET_VECTOR) += $(CPUDIR)/resetvec.o
-endif
ifeq ($(CPU),ppc4xx)
OBJS += $(CPUDIR)/resetvec.o
endif
OBJS += $(CPUDIR)/resetvec.o
endif
-OBJS := $(addprefix $(obj),$(OBJS) $(RESET_OBJS-))
+OBJS := $(addprefix $(obj),$(OBJS))
HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
be used if available. These functions may be faster under some
conditions but may increase the binary size.
-- CONFIG_X86_NO_RESET_VECTOR
- If defined, the x86 reset vector code is excluded. You will need
- to do this when U-Boot is running from Coreboot.
-
-- CONFIG_X86_NO_REAL_MODE
- If defined, x86 real mode code is omitted. This assumes a
- 32-bit environment where such code is not needed. You will
- need to do this when U-Boot is running from Coreboot.
+- CONFIG_X86_RESET_VECTOR
+ If defined, the x86 reset vector code is included. This is not
+ needed when U-Boot is running from Coreboot.
Freescale QE/FMAN Firmware Support:
LIB = $(obj)lib$(CPU).o
START-y = start.o
-RESET_OBJS-$(CONFIG_X86_NO_RESET_VECTOR) += resetvec.o start16.o
+START-$(CONFIG_X86_RESET_VECTOR) += resetvec.o start16.o
COBJS = interrupts.o cpu.o timer.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
-START := $(addprefix $(obj),$(START-y) $(RESET_OBJS-))
+START := $(addprefix $(obj),$(START-y))
all: $(obj).depend $(START) $(LIB)
+++ /dev/null
-#
-# (C) Copyright 2008
-# Graeme Russ, graeme.russ@gmail.com.
-#
-# (C) Copyright 2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2002
-# Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# 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 $(TOPDIR)/config.mk
-
-LIB := $(obj)lib$(SOC).o
-
-COBJS-$(CONFIG_SYS_SC520) += sc520.o
-COBJS-$(CONFIG_PCI) += sc520_pci.o
-COBJS-$(CONFIG_SYS_SC520_RESET) += sc520_reset.o
-COBJS-$(CONFIG_SYS_SC520) += sc520_sdram.o
-COBJS-$(CONFIG_SYS_SC520_SSI) += sc520_ssi.o
-COBJS-$(CONFIG_SYS_SC520_TIMER) += sc520_timer.o
-
-SOBJS-$(CONFIG_SYS_SC520) += sc520_car.o
-
-SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
-
-all: $(obj).depend $(LIB)
-
-$(LIB): $(OBJS)
- $(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
\ No newline at end of file
+++ /dev/null
-/*
- * Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c
- *
- * This program is used to generate definitions needed by
- * assembly language modules.
- *
- * We use the technique used in the OSF Mach kernel code:
- * generate asm statements containing #defines,
- * compile this file to assembler, and then extract the
- * #defines from the assembly-language output.
- *
- * 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.
- */
-
-#include <common.h>
-#include <asm/arch/sc520.h>
-
-#include <linux/kbuild.h>
-
-int main(void)
-{
- DEFINE(GENERATED_GD_RELOC_OFF, offsetof(gd_t, reloc_off));
-
- DEFINE(GENERATED_SC520_PAR0, offsetof(struct sc520_mmcr, par[0]));
- DEFINE(GENERATED_SC520_PAR1, offsetof(struct sc520_mmcr, par[1]));
- DEFINE(GENERATED_SC520_PAR2, offsetof(struct sc520_mmcr, par[2]));
- DEFINE(GENERATED_SC520_PAR3, offsetof(struct sc520_mmcr, par[3]));
- DEFINE(GENERATED_SC520_PAR4, offsetof(struct sc520_mmcr, par[4]));
- DEFINE(GENERATED_SC520_PAR5, offsetof(struct sc520_mmcr, par[5]));
- DEFINE(GENERATED_SC520_PAR6, offsetof(struct sc520_mmcr, par[6]));
- DEFINE(GENERATED_SC520_PAR7, offsetof(struct sc520_mmcr, par[7]));
- DEFINE(GENERATED_SC520_PAR8, offsetof(struct sc520_mmcr, par[8]));
- DEFINE(GENERATED_SC520_PAR9, offsetof(struct sc520_mmcr, par[9]));
- DEFINE(GENERATED_SC520_PAR10, offsetof(struct sc520_mmcr, par[10]));
- DEFINE(GENERATED_SC520_PAR11, offsetof(struct sc520_mmcr, par[11]));
- DEFINE(GENERATED_SC520_PAR12, offsetof(struct sc520_mmcr, par[12]));
- DEFINE(GENERATED_SC520_PAR13, offsetof(struct sc520_mmcr, par[13]));
- DEFINE(GENERATED_SC520_PAR14, offsetof(struct sc520_mmcr, par[14]));
- DEFINE(GENERATED_SC520_PAR15, offsetof(struct sc520_mmcr, par[15]));
-
- return 0;
-}
+++ /dev/null
-/*
- * (C) Copyright 2008-2011
- * Graeme Russ, <graeme.russ@gmail.com>
- *
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <common.h>
-#include <asm/io.h>
-#include <asm/processor-flags.h>
-#include <asm/arch/sc520.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-sc520_mmcr_t *sc520_mmcr = (sc520_mmcr_t *)SC520_MMCR_BASE;
-
-int cpu_init_f(void)
-{
- if (CONFIG_SYS_SC520_HIGH_SPEED) {
- /* set it to 133 MHz and write back */
- writeb(0x02, &sc520_mmcr->cpuctl);
- gd->cpu_clk = 133000000;
- } else {
- /* set it to 100 MHz and write back */
- writeb(0x01, &sc520_mmcr->cpuctl);
- gd->cpu_clk = 100000000;
- }
-
- /* wait at least one millisecond */
- asm("movl $0x2000, %%ecx\n"
- "0: pushl %%ecx\n"
- "popl %%ecx\n"
- "loop 0b\n" : : : "ecx");
-
- return x86_cpu_init_f();
-}
-
-int cpu_init_r(void)
-{
- /* Disable the PAR used for CAR */
- writel(0x0000000, &sc520_mmcr->par[2]);
-
- /* turn on the SDRAM write buffer */
- writeb(0x11, &sc520_mmcr->dbctl);
-
- return x86_cpu_init_r();
-}
+++ /dev/null
-/*
- * (C) Copyright 2010-2011
- * Graeme Russ, <graeme.russ@gmail.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <config.h>
-#include <asm/processor-flags.h>
-#include <asm/arch/sc520.h>
-#include <generated/asm-offsets.h>
-
-.section .text
-
-.globl car_init
-car_init:
- /*
- * How to enable Cache-As-RAM for the AMD Elan SC520:
- * 1. Turn off the CPU Cache (may not be strictly required)
- * 2. Set code execution PAR (usually the BOOTCS region) to be
- * non-cachable
- * 3. Create a Cachable PAR Region for an area of memory which is
- * a) NOT where the code is being executed
- * b) NOT SDRAM (Controller not initialised yet)
- * c) WILL response to read requests
- * The easiest way to do this is to create a second BOOTCS
- * PAR mappnig with an address != the PAR in step 2
- * 4. Issue a wbinvd to invalidate the CPU cache
- * 5. Turn on the CPU Cache
- * 6. Read 16kB from the cached PAR region setup in step 3
- * 7. Turn off the CPU Cache (but DO NOT issue a wbinvd)
- *
- * The following code uses PAR2 as the cached PAR (PAR0 and PAR1
- * are avoided as these are the only two PARs which can be used
- * as PCI BUS Memory regions which the board might require)
- *
- * The configuration of PAR2 must be set in the board configuration
- * file as CONFIG_SYS_SC520_CAR_PAR
- */
-
- /* Configure Cache-As-RAM PAR */
- movl $CONFIG_SYS_SC520_CAR_PAR, %eax
- movl $(SC520_MMCR_BASE + GENERATED_SC520_PAR2), %edi
- movl %eax, (%edi)
-
- /* Trash the cache then turn it on */
- wbinvd
- movl %cr0, %eax
- andl $~(X86_CR0_NW | X86_CR0_CD), %eax
- movl %eax, %cr0
-
- /*
- * The cache is now enabled and empty. Map a region of memory to
- * it by reading that region.
- */
- movl $CONFIG_SYS_CAR_ADDR, %esi
- movl $CONFIG_SYS_CAR_SIZE, %ecx
- shrl $2, %ecx /* we are reading longs */
- cld
- rep lodsl
-
- /* Turn off the cache, but don't trash it */
- movl %cr0, %eax
- orl $(X86_CR0_NW | X86_CR0_CD), %eax
- movl %eax, %cr0
-
- /* Clear the CAR region */
- xorl %eax, %eax
- movl $CONFIG_SYS_CAR_ADDR, %edi
- movl $CONFIG_SYS_CAR_SIZE, %ecx
- shrl $2, %ecx /* we are writing longs */
- rep stosl
-
- /*
- * Done - We should now have CONFIG_SYS_CAR_SIZE bytes of
- * Cache-As-RAM
- */
- jmp car_init_ret
+++ /dev/null
-/*
- * (C) Copyright 2008-2011
- * Graeme Russ, <graeme.russ@gmail.com>
- *
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <common.h>
-#include <pci.h>
-#include <asm/io.h>
-#include <asm/pci.h>
-#include <asm/arch/pci.h>
-#include <asm/arch/sc520.h>
-
-static struct {
- u8 priority;
- u16 level_reg;
- u8 level_bit;
-} sc520_irq[] = {
- { SC520_IRQ0, 0, 0x01 },
- { SC520_IRQ1, 0, 0x02 },
- { SC520_IRQ2, 1, 0x02 },
- { SC520_IRQ3, 0, 0x08 },
- { SC520_IRQ4, 0, 0x10 },
- { SC520_IRQ5, 0, 0x20 },
- { SC520_IRQ6, 0, 0x40 },
- { SC520_IRQ7, 0, 0x80 },
-
- { SC520_IRQ8, 1, 0x01 },
- { SC520_IRQ9, 1, 0x02 },
- { SC520_IRQ10, 1, 0x04 },
- { SC520_IRQ11, 1, 0x08 },
- { SC520_IRQ12, 1, 0x10 },
- { SC520_IRQ13, 1, 0x20 },
- { SC520_IRQ14, 1, 0x40 },
- { SC520_IRQ15, 1, 0x80 }
-};
-
-/* The interrupt used for PCI INTA-INTD */
-int sc520_pci_ints[15] = {
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1
-};
-
-/* utility function to configure a pci interrupt */
-int pci_sc520_set_irq(int pci_pin, int irq)
-{
- int i;
- u8 tmpb;
- u16 tmpw;
-
- debug("set_irq(): map INT%c to IRQ%d\n", pci_pin + 'A', irq);
-
- if (irq < 0 || irq > 15)
- return -1; /* illegal irq */
-
- if (pci_pin < 0 || pci_pin > 15)
- return -1; /* illegal pci int pin */
-
- /* first disable any non-pci interrupt source that use
- * this level */
-
- /* PCI interrupt mapping (A through D)*/
- for (i = 0; i <= 3 ; i++) {
- tmpb = readb(&sc520_mmcr->pci_int_map[i]);
-
- if (tmpb == sc520_irq[irq].priority)
- writeb(SC520_IRQ_DISABLED, &sc520_mmcr->pci_int_map[i]);
- }
-
- /* GP IRQ interrupt mapping */
- for (i = 0; i <= 10 ; i++) {
- tmpb = readb(&sc520_mmcr->gp_int_map[i]);
-
- if (tmpb == sc520_irq[irq].priority)
- writeb(SC520_IRQ_DISABLED, &sc520_mmcr->gp_int_map[i]);
- }
-
- /* Set the trigger to level */
- tmpb = readb(&sc520_mmcr->pic_mode[sc520_irq[irq].level_reg]);
- tmpb |= sc520_irq[irq].level_bit;
- writeb(tmpb, &sc520_mmcr->pic_mode[sc520_irq[irq].level_reg]);
-
-
- if (pci_pin < 4) {
- /* PCI INTA-INTD */
- /* route the interrupt */
- writeb(sc520_irq[irq].priority,
- &sc520_mmcr->pci_int_map[pci_pin]);
- } else {
- /* GPIRQ0-GPIRQ10 used for additional PCI INTS */
- writeb(sc520_irq[irq].priority,
- &sc520_mmcr->gp_int_map[pci_pin - 4]);
-
- /* also set the polarity in this case */
- tmpw = readw(&sc520_mmcr->intpinpol);
- tmpw |= (1 << (pci_pin-4));
- writew(tmpw, &sc520_mmcr->intpinpol);
- }
-
- /* register the pin */
- sc520_pci_ints[pci_pin] = irq;
-
-
- return 0; /* OK */
-}
-
-void pci_sc520_init(struct pci_controller *hose)
-{
- hose->first_busno = 0;
- hose->last_busno = 0xff;
- hose->region_count = pci_set_regions(hose);
-
- pci_setup_type1(hose);
-
- pci_register_hose(hose);
-
- hose->last_busno = pci_hose_scan(hose);
-
- /* enable target memory acceses on host brige */
- pci_write_config_word(0, PCI_COMMAND,
- PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
-}
+++ /dev/null
-/*
- * (C) Copyright 2011
- * Graeme Russ, <graeme.russ@gmail.com>
- *
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <common.h>
-#include <asm/io.h>
-#include <asm/arch/sc520.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void reset_cpu(ulong addr)
-{
- printf("Resetting using SC520 MMCR\n");
- /* Write a '1' to the SYS_RST of the RESCFG MMCR */
- writeb(0x01, &sc520_mmcr->rescfg);
-
- /* NOTREACHED */
-}
+++ /dev/null
-/*
- * (C) Copyright 2010,2011
- * Graeme Russ, <graeme.russ@gmail.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <common.h>
-#include <asm/io.h>
-#include <asm/processor-flags.h>
-#include <asm/arch/sc520.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-struct sc520_sdram_info {
- u8 banks;
- u8 columns;
- u8 rows;
- u8 size;
-};
-
-static void sc520_sizemem(void);
-static void sc520_set_dram_timing(void);
-static void sc520_set_dram_refresh_rate(void);
-static void sc520_enable_dram_refresh(void);
-static void sc520_enable_sdram(void);
-
-int dram_init_f(void)
-{
- sc520_sizemem();
- sc520_set_dram_timing();
- sc520_set_dram_refresh_rate();
- sc520_enable_dram_refresh();
- sc520_enable_sdram();
-
- return 0;
-}
-
-static inline void sc520_dummy_write(void)
-{
- writew(0x0000, CACHELINESZ);
-}
-static inline void sc520_issue_sdram_op_mode_select(u8 command)
-{
- writeb(command, &sc520_mmcr->drcctl);
- sc520_dummy_write();
-}
-
-static inline int check_long(u32 test_long)
-{
- u8 i;
- u8 tmp_byte = (u8)(test_long & 0x000000ff);
-
- for (i = 1; i < 4; i++) {
- if ((u8)((test_long >> (i * 8)) & 0x000000ff) != tmp_byte)
- return -1;
- }
-
- return 0;
-}
-
-static inline int write_and_test(u32 data, u32 address)
-{
- writel(data, address);
- if (readl(address) == data)
- return 0; /* Good */
- else
- return -1; /* Bad */
-}
-
-static void sc520_enable_sdram(void)
-{
- u32 par_config;
-
- /* Enable Writes, Caching and Code Execution to SDRAM */
- par_config = readl(&sc520_mmcr->par[3]);
- par_config &= ~(SC520_PAR_EXEC_DIS |
- SC520_PAR_CACHE_DIS |
- SC520_PAR_WRITE_DIS);
- writel(par_config, &sc520_mmcr->par[3]);
-
- par_config = readl(&sc520_mmcr->par[4]);
- par_config &= ~(SC520_PAR_EXEC_DIS |
- SC520_PAR_CACHE_DIS |
- SC520_PAR_WRITE_DIS);
- writel(par_config, &sc520_mmcr->par[4]);
-}
-
-static void sc520_set_dram_timing(void)
-{
- u8 drctmctl = 0x00;
-
-#if defined CONFIG_SYS_SDRAM_DRCTMCTL
- /* just have your hardware designer _GIVE_ you what you need here! */
- drctmctl = CONFIG_SYS_SDRAM_DRCTMCTL;
-#else
- switch (CONFIG_SYS_SDRAM_RAS_CAS_DELAY) {
- case 2:
- break;
- case 3:
- drctmctl |= 0x01;
- break;
- case 4:
- default:
- drctmctl |= 0x02;
- break;
- }
-
- switch (CONFIG_SYS_SDRAM_PRECHARGE_DELAY) {
- case 2:
- break;
- case 3:
- drctmctl |= 0x04;
- break;
- case 4:
- default:
- drctmctl |= 0x08;
- break;
-
- case 6:
- drctmctl |= 0x0c;
- break;
- }
-
- switch (CONFIG_SYS_SDRAM_CAS_LATENCY) {
- case 2:
- break;
- case 3:
- default:
- drctmctl |= 0x10;
- break;
- }
-#endif
- writeb(drctmctl, &sc520_mmcr->drctmctl);
-
- /* Issue load mode register command */
- sc520_issue_sdram_op_mode_select(0x03);
-}
-
-static void sc520_set_dram_refresh_rate(void)
-{
- u8 drctl;
-
- drctl = readb(&sc520_mmcr->drcctl);
- drctl &= 0xcf;
-
- switch (CONFIG_SYS_SDRAM_REFRESH_RATE) {
- case 78:
- break;
- case 156:
- default:
- drctl |= 0x10;
- break;
- case 312:
- drctl |= 0x20;
- break;
- case 624:
- drctl |= 0x30;
- break;
- }
-
- writeb(drctl, &sc520_mmcr->drcctl);
-}
-
-static void sc520_enable_dram_refresh(void)
-{
- u8 drctl;
-
- drctl = readb(&sc520_mmcr->drcctl);
- drctl &= 0x30; /* keep refresh rate */
- drctl |= 0x08; /* enable refresh, normal mode */
-
- writeb(drctl, &sc520_mmcr->drcctl);
-}
-
-static void sc520_get_bank_info(int bank, struct sc520_sdram_info *bank_info)
-{
- u32 col_data;
- u32 row_data;
-
- u32 drcbendadr;
- u16 drccfg;
-
- u8 banks = 0x00;
- u8 columns = 0x00;
- u8 rows = 0x00;
-
- bank_info->banks = 0x00;
- bank_info->columns = 0x00;
- bank_info->rows = 0x00;
- bank_info->size = 0x00;
-
- if ((bank < 0) || (bank > 3)) {
- printf("Bad Bank ID\n");
- return;
- }
-
- /* Save configuration */
- drcbendadr = readl(&sc520_mmcr->drcbendadr);
- drccfg = readw(&sc520_mmcr->drccfg);
-
- /* Setup SDRAM Bank to largest possible size */
- writew(0x000b << (bank * 4), &sc520_mmcr->drccfg);
-
- /* Set ending address for this bank */
- writel(0x000000ff << (bank * 8), &sc520_mmcr->drcbendadr);
-
- /* write col 11 wrap adr */
- if (write_and_test(COL11_DATA, COL11_ADR) != 0)
- goto restore_and_exit;
-
- /* write col 10 wrap adr */
- if (write_and_test(COL10_DATA, COL10_ADR) != 0)
- goto restore_and_exit;
-
- /* write col 9 wrap adr */
- if (write_and_test(COL09_DATA, COL09_ADR) != 0)
- goto restore_and_exit;
-
- /* write col 8 wrap adr */
- if (write_and_test(COL08_DATA, COL08_ADR) != 0)
- goto restore_and_exit;
-
- col_data = readl(COL11_ADR);
-
- /* All four bytes in the read long must be the same */
- if (check_long(col_data) < 0)
- goto restore_and_exit;
-
- if ((col_data >= COL08_DATA) && (col_data <= COL11_DATA))
- columns = (u8)(col_data & 0x000000ff);
- else
- goto restore_and_exit;
-
- /* write row 14 wrap adr */
- if (write_and_test(ROW14_DATA, ROW14_ADR) != 0)
- goto restore_and_exit;
-
- /* write row 13 wrap adr */
- if (write_and_test(ROW13_DATA, ROW13_ADR) != 0)
- goto restore_and_exit;
-
- /* write row 12 wrap adr */
- if (write_and_test(ROW12_DATA, ROW12_ADR) != 0)
- goto restore_and_exit;
-
- /* write row 11 wrap adr */
- if (write_and_test(ROW11_DATA, ROW11_ADR) != 0)
- goto restore_and_exit;
-
- if (write_and_test(ROW10_DATA, ROW10_ADR) != 0)
- goto restore_and_exit;
-
- /*
- * read data @ row 12 wrap adr to determine number of banks,
- * and read data @ row 14 wrap adr to determine number of rows.
- * if data @ row 12 wrap adr is not AA, 11 or 12 we have bad RAM.
- * if data @ row 12 wrap == AA, we only have 2 banks, NOT 4
- * if data @ row 12 wrap == 11 or 12, we have 4 banks,
- */
- row_data = readl(ROW12_ADR);
-
- /* All four bytes in the read long must be the same */
- if (check_long(row_data) != 0)
- goto restore_and_exit;
-
- switch (row_data) {
- case ROW10_DATA:
- banks = 2;
- break;
-
- case ROW11_DATA:
- case ROW12_DATA:
- banks = 4;
- break;
-
- default:
- goto restore_and_exit;
- }
-
- row_data = readl(ROW14_ADR);
-
- /* All four bytes in the read long must be the same */
- if (check_long(row_data) != 0)
- goto restore_and_exit;
-
- switch (row_data) {
- case ROW11_DATA:
- case ROW12_DATA:
- case ROW13_DATA:
- case ROW14_DATA:
- rows = (u8)(row_data & 0x000000ff);
- break;
-
- default:
- goto restore_and_exit;
- }
-
- bank_info->banks = banks;
- bank_info->columns = columns;
- bank_info->rows = rows;
-
- if ((bank_info->banks != 0) &&
- (bank_info->columns != 0) &&
- (bank_info->rows != 0)) {
- bank_info->size = bank_info->rows;
- bank_info->size >>= (11 - bank_info->columns);
- bank_info->size++;
- }
-
-restore_and_exit:
- /* Restore configuration */
- writel(drcbendadr, &sc520_mmcr->drcbendadr);
- writew(drccfg, &sc520_mmcr->drccfg);
-}
-
-static void sc520_setup_sizemem(void)
-{
- u8 i;
-
- /* Disable write buffer */
- writeb(0x00, &sc520_mmcr->dbctl);
-
- /* Disable ECC */
- writeb(0x00, &sc520_mmcr->eccctl);
-
- /* Set slowest SDRAM timing */
- writeb(0x1e, &sc520_mmcr->drctmctl);
-
- /* Issue a NOP to all SDRAM banks */
- sc520_issue_sdram_op_mode_select(0x01);
-
- /* Delay for 100 microseconds */
- udelay(100);
-
- /* Issue 'All Banks Precharge' command */
- sc520_issue_sdram_op_mode_select(0x02);
-
- /* Issue 2 'Auto Refresh Enable' command */
- sc520_issue_sdram_op_mode_select(0x04);
- sc520_dummy_write();
-
- /* Issue 'Load Mode Register' command */
- sc520_issue_sdram_op_mode_select(0x03);
-
- /* Issue 8 more 'Auto Refresh Enable' commands */
- sc520_issue_sdram_op_mode_select(0x04);
- for (i = 0; i < 7; i++)
- sc520_dummy_write();
-
- /* Set control register to 'Normal Mode' */
- writeb(0x00, &sc520_mmcr->drcctl);
-}
-
-static void sc520_sizemem(void)
-{
- struct sc520_sdram_info sdram_info[4];
- u8 bank_config = 0x00;
- u8 end_addr = 0x00;
- u16 drccfg = 0x0000;
- u32 drcbendadr = 0x00000000;
- u8 i;
-
- /* Use PARs to disable caching of maximum allowable 256MB SDRAM */
- writel(SC520_SDRAM1_PAR | SC520_PAR_CACHE_DIS, &sc520_mmcr->par[3]);
- writel(SC520_SDRAM2_PAR | SC520_PAR_CACHE_DIS, &sc520_mmcr->par[4]);
-
- sc520_setup_sizemem();
-
- gd->ram_size = 0;
-
- /* Size each SDRAM bank */
- for (i = 0; i <= 3; i++) {
- sc520_get_bank_info(i, &sdram_info[i]);
-
- if (sdram_info[i].banks != 0) {
- /* Update Configuration register */
- bank_config = sdram_info[i].columns - 8;
-
- if (sdram_info[i].banks == 4)
- bank_config |= 0x08;
-
- drccfg |= bank_config << (i * 4);
-
- /* Update End Address register */
- end_addr += sdram_info[i].size;
- drcbendadr |= (end_addr | 0x80) << (i * 8);
-
- gd->ram_size += sdram_info[i].size << 22;
- }
-
- /* Issue 'All Banks Precharge' command */
- sc520_issue_sdram_op_mode_select(0x02);
-
- /* Set control register to 'Normal Mode' */
- writeb(0x00, &sc520_mmcr->drcctl);
- }
-
- writel(drcbendadr, &sc520_mmcr->drcbendadr);
- writew(drccfg, &sc520_mmcr->drccfg);
-
- /* Clear PARs preventing caching of SDRAM */
- writel(0x00000000, &sc520_mmcr->par[3]);
- writel(0x00000000, &sc520_mmcr->par[4]);
-}
-
-int dram_init(void)
-{
- ulong dram_ctrl;
- ulong dram_present = 0x00000000;
-
- /*
- * We read-back the configuration of the dram
- * controller that the assembly code wrote
- */
- dram_ctrl = readl(&sc520_mmcr->drcbendadr);
-
- gd->bd->bi_dram[0].start = 0;
- if (dram_ctrl & 0x80) {
- /* bank 0 enabled */
- gd->bd->bi_dram[1].start = (dram_ctrl & 0x7f) << 22;
- dram_present = gd->bd->bi_dram[1].start;
- gd->bd->bi_dram[0].size = gd->bd->bi_dram[1].start;
- } else {
- gd->bd->bi_dram[0].size = 0;
- gd->bd->bi_dram[1].start = gd->bd->bi_dram[0].start;
- }
-
- if (dram_ctrl & 0x8000) {
- /* bank 1 enabled */
- gd->bd->bi_dram[2].start = (dram_ctrl & 0x7f00) << 14;
- dram_present = gd->bd->bi_dram[2].start;
- gd->bd->bi_dram[1].size = gd->bd->bi_dram[2].start -
- gd->bd->bi_dram[1].start;
- } else {
- gd->bd->bi_dram[1].size = 0;
- gd->bd->bi_dram[2].start = gd->bd->bi_dram[1].start;
- }
-
- if (dram_ctrl & 0x800000) {
- /* bank 2 enabled */
- gd->bd->bi_dram[3].start = (dram_ctrl & 0x7f0000) << 6;
- dram_present = gd->bd->bi_dram[3].start;
- gd->bd->bi_dram[2].size = gd->bd->bi_dram[3].start -
- gd->bd->bi_dram[2].start;
- } else {
- gd->bd->bi_dram[2].size = 0;
- gd->bd->bi_dram[3].start = gd->bd->bi_dram[2].start;
- }
-
- if (dram_ctrl & 0x80000000) {
- /* bank 3 enabled */
- dram_present = (dram_ctrl & 0x7f000000) >> 2;
- gd->bd->bi_dram[3].size = dram_present -
- gd->bd->bi_dram[3].start;
- } else {
- gd->bd->bi_dram[3].size = 0;
- }
-
- gd->ram_size = dram_present;
-
- return 0;
-}
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <common.h>
-#include <asm/io.h>
-#include <asm/arch/ssi.h>
-#include <asm/arch/sc520.h>
-
-int ssi_set_interface(int freq, int lsb_first, int inv_clock, int inv_phase)
-{
- u8 temp = 0;
-
- if (freq >= 8192)
- temp |= CTL_CLK_SEL_4;
- else if (freq >= 4096)
- temp |= CTL_CLK_SEL_8;
- else if (freq >= 2048)
- temp |= CTL_CLK_SEL_16;
- else if (freq >= 1024)
- temp |= CTL_CLK_SEL_32;
- else if (freq >= 512)
- temp |= CTL_CLK_SEL_64;
- else if (freq >= 256)
- temp |= CTL_CLK_SEL_128;
- else if (freq >= 128)
- temp |= CTL_CLK_SEL_256;
- else
- temp |= CTL_CLK_SEL_512;
-
- if (!lsb_first)
- temp |= MSBF_ENB;
-
- if (inv_clock)
- temp |= CLK_INV_ENB;
-
- if (inv_phase)
- temp |= PHS_INV_ENB;
-
- writeb(temp, &sc520_mmcr->ssictl);
-
- return 0;
-}
-
-u8 ssi_txrx_byte(u8 data)
-{
- writeb(data, &sc520_mmcr->ssixmit);
- while (readb(&sc520_mmcr->ssista) & SSISTA_BSY)
- ;
- writeb(SSICMD_CMD_SEL_XMITRCV, &sc520_mmcr->ssicmd);
- while (readb(&sc520_mmcr->ssista) & SSISTA_BSY)
- ;
-
- return readb(&sc520_mmcr->ssircv);
-}
-
-void ssi_tx_byte(u8 data)
-{
- writeb(data, &sc520_mmcr->ssixmit);
- while (readb(&sc520_mmcr->ssista) & SSISTA_BSY)
- ;
- writeb(SSICMD_CMD_SEL_XMIT, &sc520_mmcr->ssicmd);
-}
-
-u8 ssi_rx_byte(void)
-{
- while (readb(&sc520_mmcr->ssista) & SSISTA_BSY)
- ;
- writeb(SSICMD_CMD_SEL_RCV, &sc520_mmcr->ssicmd);
- while (readb(&sc520_mmcr->ssista) & SSISTA_BSY)
- ;
-
- return readb(&sc520_mmcr->ssircv);
-}
+++ /dev/null
-/*
- * (C) Copyright 2008-2011
- * Graeme Russ, <graeme.russ@gmail.com>
- *
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <common.h>
-#include <asm/io.h>
-#include <asm/interrupt.h>
-#include <asm/arch/sc520.h>
-
-void sc520_timer_isr(void)
-{
- /* Ack the GP Timer Interrupt */
- writeb(0x02, &sc520_mmcr->gptmrsta);
-}
-
-int timer_init(void)
-{
- /* Register the SC520 specific timer interrupt handler */
- register_timer_isr(sc520_timer_isr);
-
- /* Install interrupt handler for GP Timer 1 */
- irq_install_handler (0, timer_isr, NULL);
-
- /* Map GP Timer 1 to Master PIC IR0 */
- writeb(0x01, &sc520_mmcr->gp_tmr_int_map[1]);
-
- /* Disable GP Timers 1 & 2 - Allow configuration writes */
- writew(0x4000, &sc520_mmcr->gptmr1ctl);
- writew(0x4000, &sc520_mmcr->gptmr2ctl);
-
- /* Reset GP Timers 1 & 2 */
- writew(0x0000, &sc520_mmcr->gptmr1cnt);
- writew(0x0000, &sc520_mmcr->gptmr2cnt);
-
- /* Setup GP Timer 2 as a 100kHz (10us) prescaler */
- writew(83, &sc520_mmcr->gptmr2maxcmpa);
- writew(0xc001, &sc520_mmcr->gptmr2ctl);
-
- /* Setup GP Timer 1 as a 1000 Hz (1ms) interrupt generator */
- writew(100, &sc520_mmcr->gptmr1maxcmpa);
- writew(0xe009, &sc520_mmcr->gptmr1ctl);
-
- unmask_irq(0);
-
- /* Clear the GP Timer 1 status register to get the show rolling*/
- writeb(0x02, &sc520_mmcr->gptmrsta);
-
- return 0;
-}
-
-/* Allow boards to override udelay implementation */
-void __udelay(unsigned long usec)
- __attribute__((weak, alias("sc520_udelay")));
-
-void sc520_udelay(unsigned long usec)
-{
- int m = 0;
- long u;
-
- readw(&sc520_mmcr->swtmrmilli);
- readw(&sc520_mmcr->swtmrmicro);
-
- do {
- m += readw(&sc520_mmcr->swtmrmilli);
- u = readw(&sc520_mmcr->swtmrmicro) + (m * 1000);
- } while (u < usec);
-}
__bios_start = LOADADDR(.bios);
__bios_size = SIZEOF(.bios);
-#ifndef CONFIG_X86_NO_RESET_VECTOR
+#ifdef CONFIG_X86_RESET_VECTOR
/*
* The following expressions place the 16-bit Real-Mode code and
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-#ifndef _ASM_IC_SC520_PCI_H_
-#define _ASM_IC_SC520_PCI_H_ 1
-
-/* bus mapping constants (used for PCI core initialization) */ /* bus mapping constants */
-#define SC520_REG_ADDR 0x00000cf8
-#define SC520_REG_DATA 0x00000cfc
-
-#define SC520_ISA_MEM_PHYS 0x00000000
-#define SC520_ISA_MEM_BUS 0x00000000
-#define SC520_ISA_MEM_SIZE 0x01000000
-
-#define SC520_ISA_IO_PHYS 0x00000000
-#define SC520_ISA_IO_BUS 0x00000000
-#define SC520_ISA_IO_SIZE 0x00001000
-
-/* PCI I/O space from 0x1000 to 0xdfff
- * (make 0xe000-0xfdff available for stuff like PCCard boot) */
-#define SC520_PCI_IO_PHYS 0x00001000
-#define SC520_PCI_IO_BUS 0x00001000
-#define SC520_PCI_IO_SIZE 0x0000d000
-
-/* system memory from 0x00000000 to 0x0fffffff */
-#define SC520_PCI_MEMORY_PHYS 0x00000000
-#define SC520_PCI_MEMORY_BUS 0x00000000
-#define SC520_PCI_MEMORY_SIZE 0x10000000
-
-/* PCI bus memory from 0x10000000 to 0x26ffffff
- * (make 0x27000000 - 0x27ffffff available for stuff like PCCard boot) */
-#define SC520_PCI_MEM_PHYS 0x10000000
-#define SC520_PCI_MEM_BUS 0x10000000
-#define SC520_PCI_MEM_SIZE 0x17000000
-
-/* pin number used for PCI interrupt mappings */
-#define SC520_PCI_INTA 0
-#define SC520_PCI_INTB 1
-#define SC520_PCI_INTC 2
-#define SC520_PCI_INTD 3
-#define SC520_PCI_GPIRQ0 4
-#define SC520_PCI_GPIRQ1 5
-#define SC520_PCI_GPIRQ2 6
-#define SC520_PCI_GPIRQ3 7
-#define SC520_PCI_GPIRQ4 8
-#define SC520_PCI_GPIRQ5 9
-#define SC520_PCI_GPIRQ6 10
-#define SC520_PCI_GPIRQ7 11
-#define SC520_PCI_GPIRQ8 12
-#define SC520_PCI_GPIRQ9 13
-#define SC520_PCI_GPIRQ10 14
-
-extern int sc520_pci_ints[];
-
-void pci_sc520_init(struct pci_controller *hose);
-int pci_set_regions(struct pci_controller *hose);
-int pci_sc520_set_irq(int pci_pin, int irq);
-
-#endif
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-#ifndef _ASM_IC_SC520_H_
-#define _ASM_IC_SC520_H_ 1
-
-#ifndef __ASSEMBLY__
-
-void init_sc520(void);
-unsigned long init_sc520_dram(void);
-void sc520_udelay(unsigned long usec);
-
-/* Memory mapped configuration registers */
-typedef struct sc520_mmcr {
- u16 revid; /* ElanSC520 microcontroller revision id */
- u8 cpuctl; /* am5x86 CPU control */
-
- u8 pad_0x003[0x0d];
-
- u8 drcctl; /* SDRAM control */
- u8 pad_0x011[0x01];
- u8 drctmctl; /* SDRAM timing control */
- u8 pad_0x013[0x01];
- u16 drccfg; /* SDRAM bank configuration*/
- u8 pad_0x016[0x02];
- u32 drcbendadr; /* SDRAM bank 0-3 ending address*/
- u8 pad_0x01c[0x04];
- u8 eccctl; /* ECC control */
- u8 eccsta; /* ECC status */
- u8 eccckbpos; /* ECC check bit position */
- u8 ecccktest; /* ECC Check Code Test */
- u32 eccsbadd; /* ECC single-bit error address */
- u32 eccmbadd; /* ECC multi-bit error address */
-
- u8 pad_0x02c[0x14];
-
- u8 dbctl; /* SDRAM buffer control */
-
- u8 pad_0x041[0x0f];
-
- u16 bootcsctl; /* /BOOTCS control */
- u8 pad_0x052[0x02];
- u16 romcs1ctl; /* /ROMCS1 control */
- u16 romcs2ctl; /* /ROMCS2 control */
-
- u8 pad_0x058[0x08];
-
- u16 hbctl; /* host bridge control */
- u16 hbtgtirqctl; /* host bridge target interrupt control */
- u16 hbtgtirqsta; /* host bridge target interrupt status */
- u16 hbmstirqctl; /* host bridge target interrupt control */
- u16 hbmstirqsta; /* host bridge master interrupt status */
- u8 pad_0x06a[0x02];
- u32 mstintadd; /* host bridge master interrupt address */
-
- u8 sysarbctl; /* system arbiter control */
- u8 pciarbsta; /* PCI bus arbiter status */
- u16 sysarbmenb; /* system arbiter master enable */
- u32 arbprictl; /* arbiter priority control */
-
- u8 pad_0x078[0x08];
-
- u8 adddecctl; /* address decode control */
- u8 pad_0x081[0x01];
- u16 wpvsta; /* write-protect violation status */
- u8 pad_0x084[0x04];
- u32 par[16]; /* programmable address regions */
-
- u8 pad_0x0c8[0x0b38];
-
- u8 gpecho; /* GP echo mode */
- u8 gpcsdw; /* GP chip select data width */
- u16 gpcsqual; /* GP chip select qualification */
- u8 pad_0xc04[0x4];
- u8 gpcsrt; /* GP chip select recovery time */
- u8 gpcspw; /* GP chip select pulse width */
- u8 gpcsoff; /* GP chip select offset */
- u8 gprdw; /* GP read pulse width */
- u8 gprdoff; /* GP read offset */
- u8 gpwrw; /* GP write pulse width */
- u8 gpwroff; /* GP write offset */
- u8 gpalew; /* GP ale pulse width */
- u8 gpaleoff; /* GP ale offset */
-
- u8 pad_0xc11[0x0f];
-
- u16 piopfs15_0; /* PIO15-PIO0 pin function select */
- u16 piopfs31_16; /* PIO31-PIO16 pin function select */
- u8 cspfs; /* chip select pin function select */
- u8 pad_0xc25[0x01];
- u8 clksel; /* clock select */
- u8 pad_0xc27[0x01];
- u16 dsctl; /* drive strength control */
- u16 piodir15_0; /* PIO15-PIO0 direction */
- u16 piodir31_16; /* PIO31-PIO16 direction */
- u8 pad_0xc2e[0x02];
- u16 piodata15_0 ; /* PIO15-PIO0 data */
- u16 piodata31_16; /* PIO31-PIO16 data */
- u16 pioset15_0; /* PIO15-PIO0 set */
- u16 pioset31_16; /* PIO31-PIO16 set */
- u16 pioclr15_0; /* PIO15-PIO0 clear */
- u16 pioclr31_16; /* PIO31-PIO16 clear */
-
- u8 pad_0xc3c[0x24];
-
- u16 swtmrmilli; /* software timer millisecond count */
- u16 swtmrmicro; /* software timer microsecond count */
- u8 swtmrcfg; /* software timer configuration */
-
- u8 pad_0xc65[0x0b];
-
- u8 gptmrsta; /* GP timers status register */
- u8 pad_0xc71;
- u16 gptmr0ctl; /* GP timer 0 mode/control */
- u16 gptmr0cnt; /* GP timer 0 count */
- u16 gptmr0maxcmpa; /* GP timer 0 maxcount compare A */
- u16 gptmr0maxcmpb; /* GP timer 0 maxcount compare B */
- u16 gptmr1ctl; /* GP timer 1 mode/control */
- u16 gptmr1cnt; /* GP timer 1 count */
- u16 gptmr1maxcmpa; /* GP timer 1 maxcount compare A */
- u16 gptmr1maxcmpb; /* GP timer 1 maxcount compare B*/
- u16 gptmr2ctl; /* GP timer 2 mode/control */
- u16 gptmr2cnt; /* GP timer 2 count */
- u8 pad_0xc86[0x08];
- u16 gptmr2maxcmpa; /* GP timer 2 maxcount compare A */
-
- u8 pad_0xc90[0x20];
-
- u16 wdtmrctl; /* watchdog timer control */
- u16 wdtmrcntl; /* watchdog timer count low */
- u16 wdtmrcnth; /* watchdog timer count high */
-
- u8 pad_0xcb6[0x0a];
-
- u8 uart1ctl; /* UART 1 general control */
- u8 uart1sta; /* UART 1 general status */
- u8 uart1fcrshad; /* UART 1 FIFO control shadow */
- u8 pad_0xcc3[0x01];
- u8 uart2ctl; /* UART 2 general control */
- u8 uart2sta; /* UART 2 general status */
- u8 uart2fcrshad; /* UART 2 FIFO control shadow */
-
- u8 pad_0xcc7[0x09];
-
- u8 ssictl; /* SSI control */
- u8 ssixmit; /* SSI transmit */
- u8 ssicmd; /* SSI command */
- u8 ssista; /* SSI status */
- u8 ssircv; /* SSI receive */
-
- u8 pad_0xcd5[0x2b];
-
- u8 picicr; /* interrupt control */
- u8 pad_0xd01[0x01];
- u8 pic_mode[3]; /* PIC interrupt mode */
- u8 pad_0xd05[0x03];
- u16 swint16_1; /* software interrupt 16-1 control */
- u8 swint22_17; /* software interrupt 22-17/NMI control */
- u8 pad_0xd0b[0x05];
- u16 intpinpol; /* interrupt pin polarity */
- u8 pad_0xd12[0x02];
- u16 pcihostmap; /* PCI host bridge interrupt mapping */
- u8 pad_0xd16[0x02];
- u16 eccmap; /* ECC interrupt mapping */
- u8 gp_tmr_int_map[3]; /* GP timer interrupt mapping */
- u8 pad_0xd1d[0x03];
- u8 pit_int_map[3]; /* PIT interrupt mapping */
- u8 pad_0xd23[0x05];
- u8 uart_int_map[2]; /* UART interrupt mapping */
- u8 pad_0xd2a[0x06];
- u8 pci_int_map[4]; /* PCI interrupt mapping (A through D)*/
- u8 pad_0xd34[0x0c];
- u8 dmabcintmap; /* DMA buffer chaining interrupt mapping */
- u8 ssimap; /* SSI interrupt mapping register */
- u8 wdtmap; /* watchdog timer interrupt mapping */
- u8 rtcmap; /* RTC interrupt mapping register */
- u8 wpvmap; /* write-protect interrupt mapping */
- u8 icemap; /* AMDebug JTAG Rx/Tx interrupt mapping */
- u8 ferrmap; /* floating point error interrupt mapping */
- u8 pad_0xd47[0x09];
- u8 gp_int_map[11]; /* GP IRQ interrupt mapping */
-
- u8 pad_0xd5b[0x15];
-
- u8 sysinfo; /* system board information */
- u8 pad_0xd71[0x01];
- u8 rescfg; /* reset configuration */
- u8 pad_0xd73[0x01];
- u8 ressta; /* reset status */
-
- u8 pad_0xd75[0x0b];
-
- u8 gpdmactl; /* GP-DMA Control */
- u8 gpdmammio; /* GP-DMA memory-mapped I/O */
- u16 gpdmaextchmapa; /* GP-DMA resource channel map a */
- u16 gpdmaextchmapb; /* GP-DMA resource channel map b */
- u8 gp_dma_ext_pg_0; /* GP-DMA channel extended page 0 */
- u8 gp_dma_ext_pg_1; /* GP-DMA channel extended page 0 */
- u8 gp_dma_ext_pg_2; /* GP-DMA channel extended page 0 */
- u8 gp_dma_ext_pg_3; /* GP-DMA channel extended page 0 */
- u8 gp_dma_ext_pg_5; /* GP-DMA channel extended page 0 */
- u8 gp_dma_ext_pg_6; /* GP-DMA channel extended page 0 */
- u8 gp_dma_ext_pg_7; /* GP-DMA channel extended page 0 */
- u8 pad_0xd8d[0x03];
- u8 gpdmaexttc3; /* GP-DMA channel 3 extender transfer count */
- u8 gpdmaexttc5; /* GP-DMA channel 5 extender transfer count */
- u8 gpdmaexttc6; /* GP-DMA channel 6 extender transfer count */
- u8 gpdmaexttc7; /* GP-DMA channel 7 extender transfer count */
- u8 pad_0xd94[0x4];
- u8 gpdmabcctl; /* buffer chaining control */
- u8 gpdmabcsta; /* buffer chaining status */
- u8 gpdmabsintenb; /* buffer chaining interrupt enable */
- u8 gpdmabcval; /* buffer chaining valid */
- u8 pad_0xd9c[0x04];
- u16 gpdmanxtaddl3; /* GP-DMA channel 3 next address low */
- u16 gpdmanxtaddh3; /* GP-DMA channel 3 next address high */
- u16 gpdmanxtaddl5; /* GP-DMA channel 5 next address low */
- u16 gpdmanxtaddh5; /* GP-DMA channel 5 next address high */
- u16 gpdmanxtaddl6; /* GP-DMA channel 6 next address low */
- u16 gpdmanxtaddh6; /* GP-DMA channel 6 next address high */
- u16 gpdmanxtaddl7; /* GP-DMA channel 7 next address low */
- u16 gpdmanxtaddh7; /* GP-DMA channel 7 next address high */
- u16 gpdmanxttcl3; /* GP-DMA channel 3 next transfer count low */
- u16 gpdmanxttch3; /* GP-DMA channel 3 next transfer count high */
- u16 gpdmanxttcl5; /* GP-DMA channel 5 next transfer count low */
- u16 gpdmanxttch5; /* GP-DMA channel 5 next transfer count high */
- u16 gpdmanxttcl6; /* GP-DMA channel 6 next transfer count low */
- u16 gpdmanxttch6; /* GP-DMA channel 6 next transfer count high */
- u16 gpdmanxttcl7; /* GP-DMA channel 7 next transfer count low */
- u16 gpdmanxttch7; /* GP-DMA channel 7 next transfer count high */
-
- u8 pad_0xdc0[0x0240];
-} sc520_mmcr_t;
-
-extern sc520_mmcr_t *sc520_mmcr;
-
-#endif
-
-/* Memory Mapped Control Registers (MMCR) Base Address */
-#define SC520_MMCR_BASE 0xfffef000
-
-/*
- * PARs for maximum allowable 256MB of SDRAM @ 0x00000000
- * Two PARs are required due to maximum PAR size of 128MB
- * These are used in the SDRAM sizing code to disable caching
- *
- * 111 0 0 0 1 11111111111 00000000000000 }- 0xe3ffc000
- * 111 0 0 0 1 11111111111 00100000000000 }- 0xe3ffc800
- * \ / | | | | \----+----/ \-----+------/
- * | | | | | | +---------- Start at 0x00000000
- * | | | | | | 0x08000000
- * | | | | | +----------------------- 128MB Region Size
- * | | | | | ((2047 + 1) * 64kB)
- * | | | | +------------------------------ 64kB Page Size
- * | | | +-------------------------------- Writes Enabled
- * | | +---------------------------------- Caching Enabled
- * | +------------------------------------ Execution Enabled
- * +--------------------------------------- SDRAM
- */
-#define SC520_SDRAM1_PAR 0xe3ffc000
-#define SC520_SDRAM2_PAR 0xe3ffc800
-
-#define SC520_PAR_WRITE_DIS 0x04000000
-#define SC520_PAR_CACHE_DIS 0x08000000
-#define SC520_PAR_EXEC_DIS 0x10000000
-
-/*
- * Programmable Address Regions to cover 256MB SDRAM (Maximum supported)
- * required for DRAM sizing code
- */
-
-/* MMCR Register bits (not all of them :) ) */
-
-/* SSI Stuff */
-#define CTL_CLK_SEL_4 0x00 /* Nominal Bit Rate = 8 MHz */
-#define CTL_CLK_SEL_8 0x10 /* Nominal Bit Rate = 4 MHz */
-#define CTL_CLK_SEL_16 0x20 /* Nominal Bit Rate = 2 MHz */
-#define CTL_CLK_SEL_32 0x30 /* Nominal Bit Rate = 1 MHz */
-#define CTL_CLK_SEL_64 0x40 /* Nominal Bit Rate = 512 KHz */
-#define CTL_CLK_SEL_128 0x50 /* Nominal Bit Rate = 256 KHz */
-#define CTL_CLK_SEL_256 0x60 /* Nominal Bit Rate = 128 KHz */
-#define CTL_CLK_SEL_512 0x70 /* Nominal Bit Rate = 64 KHz */
-
-#define TC_INT_ENB 0x08 /* Transaction Complete Interrupt Enable */
-#define PHS_INV_ENB 0x04 /* SSI Inverted Phase Mode Enable */
-#define CLK_INV_ENB 0x02 /* SSI Inverted Clock Mode Enable */
-#define MSBF_ENB 0x01 /* SSI Most Significant Bit First Mode Enable */
-
-#define SSICMD_CMD_SEL_XMITRCV 0x03 /* Simultaneous Transmit / Receive Transaction */
-#define SSICMD_CMD_SEL_RCV 0x02 /* Receive Transaction */
-#define SSICMD_CMD_SEL_XMIT 0x01 /* Transmit Transaction */
-#define SSISTA_BSY 0x02 /* SSI Busy */
-#define SSISTA_TC_INT 0x01 /* SSI Transaction Complete Interrupt */
-
-/* BITS for SC520_ADDDECCTL: */
-#define WPV_INT_ENB 0x80 /* Write-Protect Violation Interrupt Enable */
-#define IO_HOLE_DEST_PCI 0x10 /* I/O Hole Access Destination */
-#define RTC_DIS 0x04 /* RTC Disable */
-#define UART2_DIS 0x02 /* UART2 Disable */
-#define UART1_DIS 0x01 /* UART1 Disable */
-
-/*
- * Defines used for SDRAM Sizing (number of columns and rows)
- * Refer to section 10.6.4 - SDRAM Sizing Algorithm in the
- * Elan SC520 Microcontroller User's Manual (Order #22004B)
- */
-#define CACHELINESZ 0x00000010
-
-#define COL11_ADR 0x0e001e00
-#define COL10_ADR 0x0e000e00
-#define COL09_ADR 0x0e000600
-#define COL08_ADR 0x0e000200
-#define COL11_DATA 0x0b0b0b0b
-#define COL10_DATA 0x0a0a0a0a
-#define COL09_DATA 0x09090909
-#define COL08_DATA 0x08080808
-
-#define ROW14_ADR 0x0f000000
-#define ROW13_ADR 0x07000000
-#define ROW12_ADR 0x03000000
-#define ROW11_ADR 0x01000000
-#define ROW10_ADR 0x00000000
-#define ROW14_DATA 0x3f3f3f3f
-#define ROW13_DATA 0x1f1f1f1f
-#define ROW12_DATA 0x0f0f0f0f
-#define ROW11_DATA 0x07070707
-#define ROW10_DATA 0xaaaaaaaa
-
-/* 0x28000000 - 0x3fffffff is used by the flash banks */
-
-/* 0x40000000 - 0xffffffff is not adressable by the SC520 */
-
-/* priority numbers used for interrupt channel mappings */
-#define SC520_IRQ_DISABLED 0
-#define SC520_IRQ0 1
-#define SC520_IRQ1 2
-#define SC520_IRQ2 4 /* same as IRQ9 */
-#define SC520_IRQ3 11
-#define SC520_IRQ4 12
-#define SC520_IRQ5 13
-#define SC520_IRQ6 21
-#define SC520_IRQ7 22
-#define SC520_IRQ8 3
-#define SC520_IRQ9 4
-#define SC520_IRQ10 5
-#define SC520_IRQ11 6
-#define SC520_IRQ12 7
-#define SC520_IRQ13 8
-#define SC520_IRQ14 9
-#define SC520_IRQ15 10
-
-#endif
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Graeme Russ <graeme.russ@gmail.com>.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-#ifndef _ASM_IC_SSI_H_
-#define _ASM_IC_SSI_H_ 1
-
-int ssi_set_interface(int, int, int, int);
-void ssi_chip_select(int);
-u8 ssi_txrx_byte(u8);
-void ssi_tx_byte(u8);
-u8 ssi_rx_byte(void);
-
-
-#endif
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-#ifndef __ASM_REALMODE_H_
-#define __ASM_REALMODE_H_
-#include <asm/ptrace.h>
-
-extern ulong __realmode_start;
-extern ulong __realmode_size;
-extern char realmode_enter;
-
-int bios_setup(void);
-int enter_realmode(u16 seg, u16 off, struct pt_regs *in, struct pt_regs *out);
-int enter_realmode_int(u8 lvl, struct pt_regs *in, struct pt_regs *out);
-
-#endif
LIB = $(obj)lib$(ARCH).o
-ifeq ($(CONFIG_X86_NO_REAL_MODE),)
-SOBJS-$(CONFIG_SYS_PC_BIOS) += bios.o
-SOBJS-$(CONFIG_SYS_PCI_BIOS) += bios_pci.o
-COBJS-y += realmode.o
-SOBJS-y += realmode_switch.o
-
-COBJS-$(CONFIG_SYS_PC_BIOS) += bios_setup.o
-COBJS-$(CONFIG_VIDEO_VGA) += video_bios.o
-endif
-
COBJS-y += board.o
COBJS-y += bootm.o
COBJS-y += cmd_boot.o
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-/*
- * Based on msbios.c from rolo 1.6:
- *----------------------------------------------------------------------
- * (C) Copyright 2000
- * Sysgo Real-Time Solutions GmbH
- * Klein-Winternheim, Germany
- *----------------------------------------------------------------------
- */
-
-#include "bios.h"
-
-/*
- * During it's initialization phase, before switching to protected
- * mode, the Linux Kernel makes a few BIOS calls. This won't work
- * if the board does not have a BIOS.
- *
- * This is a very minimalisic BIOS that supplies just enough
- * functionality to keep the Linux Kernel happy. It is NOT
- * a general purpose replacement for a real BIOS !!
- */
-
-.section .bios, "ax"
-.code16
-.org 0
- /* a call to f000:0 should warmboot */
- jmp realmode_reset
-
-.globl rm_int00
-.hidden rm_int00
-.type rm_int00, @function
-rm_int00:
- pushw $0
- jmp any_interrupt16
-.globl rm_int01
-.hidden rm_int01
-.type rm_int01, @function
-rm_int01:
- pushw $1
- jmp any_interrupt16
-.globl rm_int02
-.hidden rm_int02
-.type rm_int02, @function
-rm_int02:
- pushw $2
- jmp any_interrupt16
-.globl rm_int03
-.hidden rm_int03
-.type rm_int03, @function
-rm_int03:
- pushw $3
- jmp any_interrupt16
-.globl rm_int04
-.hidden rm_int04
-.type rm_int04, @function
-rm_int04:
- pushw $4
- jmp any_interrupt16
-.globl rm_int05
-.hidden rm_int05
-.type rm_int05, @function
-rm_int05:
- pushw $5
- jmp any_interrupt16
-.globl rm_int06
-.hidden rm_int06
-.type rm_int06, @function
-rm_int06:
- pushw $6
- jmp any_interrupt16
-.globl rm_int07
-.hidden rm_int07
-.type rm_int07, @function
-rm_int07:
- pushw $7
- jmp any_interrupt16
-.globl rm_int08
-.hidden rm_int08
-.type rm_int08, @function
-rm_int08:
- pushw $8
- jmp any_interrupt16
-.globl rm_int09
-.hidden rm_int09
-.type rm_int09, @function
-rm_int09:
- pushw $9
- jmp any_interrupt16
-.globl rm_int0a
-.hidden rm_int0a
-.type rm_int0a, @function
-rm_int0a:
- pushw $10
- jmp any_interrupt16
-.globl rm_int0b
-.hidden rm_int0b
-.type rm_int0b, @function
-rm_int0b:
- pushw $11
- jmp any_interrupt16
-.globl rm_int0c
-.hidden rm_int0c
-.type rm_int0c, @function
-rm_int0c:
- pushw $12
- jmp any_interrupt16
-.globl rm_int0d
-.hidden rm_int0d
-.type rm_int0d, @function
-rm_int0d:
- pushw $13
- jmp any_interrupt16
-.globl rm_int0e
-.hidden rm_int0e
-.type rm_int0e, @function
-rm_int0e:
- pushw $14
- jmp any_interrupt16
-.globl rm_int0f
-.hidden rm_int0f
-.type rm_int0f, @function
-rm_int0f:
- pushw $15
- jmp any_interrupt16
-.globl rm_int10
-.hidden rm_int10
-.type rm_int10, @function
-rm_int10:
- pushw $16
- jmp any_interrupt16
-.globl rm_int11
-.hidden rm_int11
-.type rm_int11, @function
-rm_int11:
- pushw $17
- jmp any_interrupt16
-.globl rm_int12
-.hidden rm_int12
-.type rm_int12, @function
-rm_int12:
- pushw $18
- jmp any_interrupt16
-.globl rm_int13
-.hidden rm_int13
-.type rm_int13, @function
-rm_int13:
- pushw $19
- jmp any_interrupt16
-.globl rm_int14
-.hidden rm_int14
-.type rm_int14, @function
-rm_int14:
- pushw $20
- jmp any_interrupt16
-.globl rm_int15
-.hidden rm_int15
-.type rm_int15, @function
-rm_int15:
- pushw $21
- jmp any_interrupt16
-.globl rm_int16
-.hidden rm_int16
-.type rm_int16, @function
-rm_int16:
- pushw $22
- jmp any_interrupt16
-.globl rm_int17
-.hidden rm_int17
-.type rm_int17, @function
-rm_int17:
- pushw $23
- jmp any_interrupt16
-.globl rm_int18
-.hidden rm_int18
-.type rm_int18, @function
-rm_int18:
- pushw $24
- jmp any_interrupt16
-.globl rm_int19
-.hidden rm_int19
-.type rm_int19, @function
-rm_int19:
- pushw $25
- jmp any_interrupt16
-.globl rm_int1a
-.hidden rm_int1a
-.type rm_int1a, @function
-rm_int1a:
- pushw $26
- jmp any_interrupt16
-.globl rm_int1b
-.hidden rm_int1b
-.type rm_int1b, @function
-rm_int1b:
- pushw $27
- jmp any_interrupt16
-.globl rm_int1c
-.hidden rm_int1c
-.type rm_int1c, @function
-rm_int1c:
- pushw $28
- jmp any_interrupt16
-.globl rm_int1d
-.hidden rm_int1d
-.type rm_int1d, @function
-rm_int1d:
- pushw $29
- jmp any_interrupt16
-.globl rm_int1e
-.hidden rm_int1e
-.type rm_int1e, @function
-rm_int1e:
- pushw $30
- jmp any_interrupt16
-.globl rm_int1f
-.hidden rm_int1f
-.type rm_int1f, @function
-rm_int1f:
- pushw $31
- jmp any_interrupt16
-.globl rm_def_int
-.hidden rm_def_int
-.type rm_def_int, @function
-rm_def_int:
- iret
-
- /*
- * All interrupt jumptable entries jump to here after pushing the
- * interrupt vector number onto the stack.
- */
-any_interrupt16:
- MAKE_BIOS_STACK
-
-gs movw OFFS_VECTOR(%bp), %ax
- cmpw $0x10, %ax
- je Lint_10h
- cmpw $0x11, %ax
- je Lint_11h
- cmpw $0x12, %ax
- je Lint_12h
- cmpw $0x13, %ax
- je Lint_13h
- cmpw $0x15, %ax
- je Lint_15h
- cmpw $0x16, %ax
- je Lint_16h
- cmpw $0x1a, %ax
- je Lint_1ah
- movw $0xffff, %ax
- jmp Lout
-Lint_10h:
- /* VGA BIOS services */
- call bios_10h
- jmp Lout
-Lint_11h:
- call bios_11h
- jmp Lout
-Lint_12h:
- call bios_12h
- jmp Lout
-Lint_13h:
- /* BIOS disk services */
- call bios_13h
- jmp Lout
-Lint_15h:
- /* Misc. BIOS services */
- call bios_15h
- jmp Lout
-Lint_16h:
- /* keyboard services */
- call bios_16h
- jmp Lout
-Lint_1ah:
- /* PCI bios */
- call bios_1ah
- jmp Lout
-Lout:
- cmpw $0, %ax
- je Lhandeled
-
- /*
- * Insert code for unhandeled INTs here.
- *
- * ROLO prints a message to the console we could do that but then
- * we're in 16bit mode so we'll have to get back into 32bit mode
- * to use the console I/O routines (if we do this we should make
- * int 0x10 and int 0x16 work as well)
- */
-Lhandeled:
- RESTORE_CALLERS_STACK
-
- /* dump vector number */
- addw $2,%sp
-
- /* return from interrupt */
- iret
-
-/*
- ************************************************************
- * BIOS interrupt 10h -- VGA services
- ************************************************************
- */
-bios_10h:
-gs movw OFFS_AX(%bp), %ax
- shrw $8, %ax
- cmpw $0x3, %ax
- je Lcur_pos
- cmpw $0xf, %ax
- je Lvid_state
- cmpw $0x12, %ax
- je Lvid_cfg
- movw $0xffff, %ax
- ret
-Lcur_pos:
- /* Read Cursor Position and Size */
-gs movw $0, OFFS_CX(%bp)
-gs movw $0, OFFS_DX(%bp)
- xorw %ax, %ax
- ret
-Lvid_state:
- /* Get Video State - 80 columns, 80x25, 16 colors */
-gs movw $(80 << 8|0x03), OFFS_AX(%bp)
-gs movw $0, OFFS_BX(%bp)
- xorw %ax, %ax
- ret
-Lvid_cfg:
- /* Video Subsystem Configuration (EGA/VGA) - indicate CGA/MDA/HGA */
-gs movw $0x10, OFFS_BX(%bp)
- xorw %ax, %ax
- ret
-
-/*
- ************************************************************
- * BIOS interrupt 11h -- Equipment determination
- ************************************************************
- */
-
-bios_11h:
-cs movw bios_equipment, %ax
-gs movw %ax, OFFS_AX(%bp)
- xorw %ax, %ax
- ret
-
-/*
- ************************************************************
- * BIOS interrupt 12h -- Get Memory Size
- ************************************************************
- */
-bios_12h:
-cs movw ram_in_64kb_chunks, %ax
- cmpw $0xa, %ax
- ja b12_more_than_640k
- shlw $6, %ax
- jmp b12_return
-b12_more_than_640k:
- movw $0x280, %ax
-b12_return:
- /* return number of kilobytes in ax */
-gs movw %ax, OFFS_AX(%bp)
-
-gs movw OFFS_FLAGS(%bp), %ax
-
- /* clear carry -- function succeeded */
- andw $0xfffe, %ax
-gs movw %ax, OFFS_FLAGS(%bp)
-
- xorw %ax, %ax
- ret
-
-/*
- ************************************************************
- * BIOS interrupt 13h -- Disk services
- ************************************************************
- */
-bios_13h:
-gs movw OFFS_AX(%bp), %ax
- shrw $8, %ax
- cmpw $0x15, %ax
- je Lfunc_15h
- movw $0xffff, %ax
- ret
-Lfunc_15h:
-gs movw OFFS_AX(%bp), %ax
-
- /* return AH=0->drive not present */
- andw $0x00ff, %ax
-gs movw %ax, OFFS_AX(%bp)
- xorw %ax, %ax
- ret
-
-/*
- ***********************************************************
- * BIOS interrupt 15h -- Miscellaneous services
- ***********************************************************
- */
-bios_15h:
-gs movw OFFS_AX(%bp), %ax
- shrw $8, %ax
- cmpw $0xc0, %ax
- je Lfunc_c0h
- cmpw $0xe8, %ax
- je Lfunc_e8h
- cmpw $0x88, %ax
- je Lfunc_88h
- movw $0xffff, %ax
- ret
-
-Lfunc_c0h:
- /* Return System Configuration Parameters (PS2 only) */
-gs movw OFFS_FLAGS(%bp), %ax
-
- /* return carry -- function not supported */
- orw $1, %ax
-gs movw %ax, OFFS_FLAGS(%bp)
- xorw %ax, %ax
- ret
-
-Lfunc_e8h:
-gs movw OFFS_AX(%bp), %ax
- andw $0xff, %ax
- cmpw $1, %ax
- je Lfunc_e801h
-gs movw OFFS_FLAGS(%bp), %ax
-
- /* return carry -- function not supported */
- orw $1, %ax
-gs movw %ax, OFFS_FLAGS(%bp)
- xorw %ax, %ax
- ret
-
-Lfunc_e801h:
- /* Get memory size for >64M Configurations */
-cs movw ram_in_64kb_chunks, %ax
- cmpw $0x100, %ax
- ja e801_more_than_16mb
-
- /* multiply by 64 */
- shlw $6, %ax
-
- /* 1st meg does not count */
- subw $0x400, %ax
-
- /* return memory size between 1M and 16M in 1kb chunks in AX and CX */
-gs movw %ax, OFFS_AX(%bp)
-gs movw %ax, OFFS_CX(%bp)
-
- /* set BX and DX to 0*/
-gs movw $0, OFFS_BX(%bp)
-gs movw $0, OFFS_DX(%bp)
-gs movw OFFS_FLAGS(%bp), %ax
-
- /* clear carry -- function succeeded */
- andw $0xfffe, %ax
-gs movw %ax, OFFS_FLAGS(%bp)
- xorw %ax, %ax
- ret
-
-e801_more_than_16mb:
- /* subtract 16MB */
- subw $0x100, %ax
-
- /* return 0x3c00 (16MB-1MB) in AX and CX */
-gs movw $0x3c00, OFFS_AX(%bp)
-gs movw $0x3c00, OFFS_CX(%bp)
-
- /* set BX and DX to number of 64kb chunks above 16MB */
-gs movw %ax, OFFS_BX(%bp)
-gs movw %ax, OFFS_DX(%bp)
-
-gs movw OFFS_FLAGS(%bp), %ax
-
- /* clear carry -- function succeeded */
- andw $0xfffe, %ax
-gs movw %ax, OFFS_FLAGS(%bp)
- xorw %ax, %ax
- ret
-
-Lfunc_88h:
-cs movw ram_in_64kb_chunks, %ax
- cmpw $0x100, %ax
- jna b88_not_more_than16
- movw $0x100, %ax
-b88_not_more_than16:
- shlw $6, %ax
-
- /* 1st meg does not count */
- subw $0x400, %ax
-
- /* return number of kilobytes between 16MB and 16MB in ax */
-gs movw %ax, OFFS_AX(%bp)
-
-gs movw OFFS_FLAGS(%bp), %ax
-
- /* clear carry -- function succeeded */
- andw $0xfffe, %ax
-gs movw %ax, OFFS_FLAGS(%bp)
-
- xorw %ax, %ax
- ret
-
-/*
- ************************************************************
- * BIOS interrupt 16h -- keyboard services
- ************************************************************
- */
-bios_16h:
-gs movw OFFS_AX(%bp), %ax
- shrw $8, %ax
- cmpw $0x03, %ax
- je Lfunc_03h
- movw $0xffff, %ax
- ret
-Lfunc_03h:
- /* do nothing -- function not supported */
- xorw %ax, %ax
- ret
-
-/*
- ************************************************************
- * BIOS interrupt 1ah -- PCI bios
- ************************************************************
- */
-bios_1ah:
-gs movw OFFS_AX(%bp), %ax
- cmpb $0xb1, %ah
- je Lfunc_b1h
- movw $0xffff, %ax
- ret
-Lfunc_b1h:
- call realmode_pci_bios
-
- /* do nothing -- function not supported */
- xorw %ax, %ax
- ret
-
-
-.globl ram_in_64kb_chunks
-.hidden ram_in_64kb_chunks
-.type ram_in_64kb_chunks, @function
-ram_in_64kb_chunks:
- .word 0
-
-.globl bios_equipment
-.hidden bios_equipment
-.type bios_equipment, @function
-bios_equipment:
- .word 0
extern void *rm_int1f;
extern void *rm_def_int;
-extern void *realmode_reset;
-extern void *realmode_pci_bios_call_entry;
-
#define RELOC_16_LONG(seg, off) (*(u32 *)(seg << 4 | (u32)&off))
#define RELOC_16_WORD(seg, off) (*(u16 *)(seg << 4 | (u32)&off))
#define RELOC_16_BYTE(seg, off) (*(u8 *)(seg << 4 | (u32)&off))
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-/*
- * x86 realmode assembly implementation of a PCI BIOS
- * for platforms that use one PCI hose and configuration
- * access type 1. (The common case for low-end PC's)
- */
-
-#include "bios.h"
-
-#define PCI_BIOS_DEBUG
-
-.section .bios, "ax"
-.code16
-.globl realmode_pci_bios_call_entry
-.hidden realmode_pci_bios_call_entry
-.type realmode_pci_bios_call_entry, @function
-realmode_pci_bios_call_entry:
- MAKE_BIOS_STACK
- call realmode_pci_bios
- RESTORE_CALLERS_STACK
- ret
-
-
-.globl realmode_pci_bios
-realmode_pci_bios:
-gs movw OFFS_AX(%bp), %ax
- cmpb $1, %al
- je pci_bios_present
- cmpb $2, %al
- je pci_bios_find_device
- cmpb $3, %al
- je pci_bios_find_class
- cmpb $6, %al
- je pci_bios_generate_special_cycle
- cmpb $8, %al
- je pci_bios_read_cfg_byte
- cmpb $9, %al
- je pci_bios_read_cfg_word
- cmpb $10, %al
- je pci_bios_read_cfg_dword
- cmpb $11, %al
- je pci_bios_write_cfg_byte
- cmpb $12, %al
- je pci_bios_write_cfg_word
- cmpb $13, %al
- je pci_bios_write_cfg_dword
- cmpb $14, %al
- je pci_bios_get_irq_routing
- cmpb $15, %al
- je pci_bios_set_irq
- jmp unknown_function
-
-/*****************************************************************************/
-
-pci_bios_present:
-#ifdef PCI_BIOS_DEBUG
-cs incl num_pci_bios_present
-#endif
- movl $0x20494350, %eax
-gs movl %eax, OFFS_EDX(%bp)
-
- /* We support cfg type 1 version 2.10 */
- movb $0x01, %al
-gs movb %al, OFFS_AL(%bp)
- movw $0x0210, %ax
-gs movw %ax, OFFS_BX(%bp)
-
- /* last bus number */
-cs movb pci_last_bus, %al
-gs movb %al, OFFS_CL(%bp)
- jmp clear_carry
-
-/*****************************************************************************/
-
-/* device 0-31, function 0-7 */
-pci_bios_find_device:
-#ifdef PCI_BIOS_DEBUG
-cs incl num_pci_bios_find_device
-#endif
-gs movw OFFS_CX(%bp), %di
- shll $16, %edi
-gs movw OFFS_DX(%bp), %di
- /* edi now holds device in upper 16 bits and vendor in lower 16 bits */
-
-gs movw OFFS_SI(%bp), %si
-
- /* start at bus 0 dev 0 function 0 */
- xorw %bx, %bx
-pfd_loop:
- /* dword 0 is vendor/device */
- xorw %ax, %ax
- call __pci_bios_select_register
- movw $0xcfc, %dx
- inl %dx, %eax
-
- /* our device ? */
- cmpl %edi, %eax
- je pfd_found_one
-pfd_next_dev:
- /* check for multi function devices */
- movw %bx, %ax
- andw $3, %ax
- jnz pfd_function_not_zero
- movw $0x000c, %ax
- call __pci_bios_select_register
- movw $0xcfe, %dx
- inb %dx, %al
- andb $0x80, %al
- jz pfd_not_multi_function
-pfd_function_not_zero:
- /* next function, overflows in to device number, then bus number */
- incw %bx
- jmp pfd_check_bus
-
-pfd_not_multi_function:
- /* remove function bits */
- andw $0xfff8, %bx
-
- /* next device, overflows in to bus number */
- addw $0x0008, %bx
-pfd_check_bus:
-cs movb pci_last_bus, %ah
- cmpb %ah, %bh
- ja pfd_not_found
- jmp pfd_loop
-pfd_found_one:
- decw %si
- js pfd_done
- jmp pfd_next_dev
-
-pfd_done:
-gs movw %bx, OFFS_BX(%bp)
- jmp clear_carry
-
-pfd_not_found:
- /* device not found */
- movb $0x86, %ah
- jmp set_carry
-
-/*****************************************************************************/
-
-pci_bios_find_class:
-#ifdef PCI_BIOS_DEBUG
-cs incl num_pci_bios_find_class
-#endif
-gs movl OFFS_ECX(%bp), %edi
-
- /* edi now holds class-code in lower 24 bits */
- andl $0x00ffffff, %edi
-gs movw OFFS_SI(%bp), %si
-
- /* start at bus 0 dev 0 function 0 */
- xorw %bx, %bx
-pfc_loop:
- /* dword 8 is class-code high 24bits */
- movw $8, %ax
- call __pci_bios_select_register
- movw $0xcfc, %dx
- inl %dx, %eax
- shrl $8, %eax
- andl $0x00ffffff, %eax
-
- /* our device ? */
- cmpl %edi, %eax
- je pfc_found_one
-pfc_next_dev:
- /* check for multi function devices */
- andw $3, %bx
- jnz pfc_function_not_zero
- movw $0x000c, %ax
- call __pci_bios_select_register
- movw $0xcfe, %dx
- inb %dx, %al
- andb $0x80, %al
- jz pfc_not_multi_function
-pfc_function_not_zero:
- /* next function, overflows in to device number, then bus number */
- incw %bx
- jmp pfc_check_bus
-
-pfc_not_multi_function:
- /* remove function bits */
- andw $0xfff8, %bx
-
- /* next device, overflows in to bus number */
- addw $0x0008, %bx
-pfc_check_bus:
-cs movb pci_last_bus, %ah
- cmpb %ah, %bh
- ja pfc_not_found
- jmp pfc_loop
-pfc_found_one:
- decw %si
- js pfc_done
- jmp pfc_next_dev
-
-pfc_done:
-gs movw %bx, OFFS_BX(%bp)
- jmp clear_carry
-
-pfc_not_found:
- /* device not found */
- movb $0x86, %ah
- jmp set_carry
-
-/*****************************************************************************/
-
-pci_bios_generate_special_cycle:
-#ifdef PCI_BIOS_DEBUG
-cs incl num_pci_bios_generate_special_cycle
-#endif
- /* function not supported */
- movb $0x81, %ah
- jmp set_carry
-
-/*****************************************************************************/
-
-pci_bios_read_cfg_byte:
-#ifdef PCI_BIOS_DEBUG
-cs incl num_pci_bios_read_cfg_byte
-#endif
- call pci_bios_select_register
-gs movw OFFS_DI(%bp), %dx
- andw $3, %dx
- addw $0xcfc, %dx
- inb %dx, %al
-gs movb %al, OFFS_CL(%bp)
- jmp clear_carry
-
-/*****************************************************************************/
-
-pci_bios_read_cfg_word:
-#ifdef PCI_BIOS_DEBUG
-cs incl num_pci_bios_read_cfg_word
-#endif
- call pci_bios_select_register
-gs movw OFFS_DI(%bp), %dx
- andw $2, %dx
- addw $0xcfc, %dx
- inw %dx, %ax
-gs movw %ax, OFFS_CX(%bp)
- jmp clear_carry
-
-
-/*****************************************************************************/
-
-pci_bios_read_cfg_dword:
-#ifdef PCI_BIOS_DEBUG
-cs incl num_pci_bios_read_cfg_dword
-#endif
- call pci_bios_select_register
- movw $0xcfc, %dx
- inl %dx, %eax
-gs movl %eax, OFFS_ECX(%bp)
- jmp clear_carry
-
-/*****************************************************************************/
-
-pci_bios_write_cfg_byte:
-#ifdef PCI_BIOS_DEBUG
-cs incl num_pci_bios_write_cfg_byte
-#endif
- call pci_bios_select_register
-gs movw OFFS_DI(%bp), %dx
-gs movb OFFS_CL(%bp), %al
- andw $3, %dx
- addw $0xcfc, %dx
- outb %al, %dx
- jmp clear_carry
-
-/*****************************************************************************/
-
-pci_bios_write_cfg_word:
-#ifdef PCI_BIOS_DEBUG
-cs incl num_pci_bios_write_cfg_word
-#endif
- call pci_bios_select_register
-gs movw OFFS_DI(%bp), %dx
-gs movw OFFS_CX(%bp), %ax
- andw $2, %dx
- addw $0xcfc, %dx
- outw %ax, %dx
- jmp clear_carry
-
-/*****************************************************************************/
-
-pci_bios_write_cfg_dword:
-#ifdef PCI_BIOS_DEBUG
-cs incl num_pci_bios_write_cfg_dword
-#endif
- call pci_bios_select_register
-gs movl OFFS_ECX(%bp), %eax
- movw $0xcfc, %dx
- outl %eax, %dx
- jmp clear_carry
-
-/*****************************************************************************/
-
-pci_bios_get_irq_routing:
-#ifdef PCI_BIOS_DEBUG
-cs incl num_pci_bios_get_irq_routing
-#endif
- /* function not supported */
- movb $0x81, %ah
- jmp set_carry
-
-/*****************************************************************************/
-
-pci_bios_set_irq:
-#ifdef PCI_BIOS_DEBUG
-cs incl num_pci_bios_set_irq
-#endif
- /* function not supported */
- movb $0x81, %ah
- jmp set_carry
-
-/*****************************************************************************/
-
-unknown_function:
-#ifdef PCI_BIOS_DEBUG
-cs incl num_pci_bios_unknown_function
-#endif
- /* function not supported */
- movb $0x81, %ah
- jmp set_carry
-
-/*****************************************************************************/
-
-pci_bios_select_register:
-gs movw OFFS_BX(%bp), %bx
-gs movw OFFS_DI(%bp), %ax
-/* destroys eax, dx */
-__pci_bios_select_register:
- /* BX holds device id, AX holds register index */
- pushl %ebx
- andl $0xfc, %eax
- andl $0xffff, %ebx
- shll $8, %ebx
- orl %ebx, %eax
- orl $0x80000000, %eax
- movw $0xcf8, %dx
- outl %eax, %dx
- popl %ebx
- ret
-
-
-clear_carry:
-gs movw OFFS_FLAGS(%bp), %ax
-
- /* clear carry -- function succeeded */
- andw $0xfffe, %ax
-gs movw %ax, OFFS_FLAGS(%bp)
- xorw %ax, %ax
-gs movb %ah, OFFS_AH(%bp)
- ret
-
-set_carry:
-gs movb %ah, OFFS_AH(%bp)
-gs movw OFFS_FLAGS(%bp), %ax
-
- /* return carry -- function not supported */
- orw $1, %ax
-gs movw %ax, OFFS_FLAGS(%bp)
- movw $-1, %ax
- ret
-
-/*****************************************************************************/
-
-.globl pci_last_bus
-pci_last_bus:
- .byte 0
-
-#ifdef PCI_BIOS_DEBUG
-.globl num_pci_bios_present
-num_pci_bios_present:
- .long 0
-
-.globl num_pci_bios_find_device
-num_pci_bios_find_device:
- .long 0
-
-.globl num_pci_bios_find_class
-num_pci_bios_find_class:
- .long 0
-
-.globl num_pci_bios_generate_special_cycle
-num_pci_bios_generate_special_cycle:
- .long 0
-
-.globl num_pci_bios_read_cfg_byte
-num_pci_bios_read_cfg_byte:
- .long 0
-
-.globl num_pci_bios_read_cfg_word
-num_pci_bios_read_cfg_word:
- .long 0
-
-.globl num_pci_bios_read_cfg_dword
-num_pci_bios_read_cfg_dword:
- .long 0
-
-.globl num_pci_bios_write_cfg_byte
-num_pci_bios_write_cfg_byte:
- .long 0
-
-.globl num_pci_bios_write_cfg_word
-num_pci_bios_write_cfg_word:
- .long 0
-
-.globl num_pci_bios_write_cfg_dword
-num_pci_bios_write_cfg_dword:
- .long 0
-
-.globl num_pci_bios_get_irq_routing
-num_pci_bios_get_irq_routing:
- .long 0
-
-.globl num_pci_bios_set_irq
-num_pci_bios_set_irq:
- .long 0
-
-.globl num_pci_bios_unknown_function
-num_pci_bios_unknown_function:
- .long 0
-#endif
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-/*
- * Partly based on msbios.c from rolo 1.6:
- *----------------------------------------------------------------------
- * (C) Copyright 2000
- * Sysgo Real-Time Solutions GmbH
- * Klein-Winternheim, Germany
- *----------------------------------------------------------------------
- */
-
-#include <common.h>
-#include <pci.h>
-#include <asm/realmode.h>
-#include <asm/io.h>
-#include "bios.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define NUMVECTS 256
-
-static int set_jmp_vector(int entry_point, void *target)
-{
- if (entry_point & ~0xffff)
- return -1;
-
- if (((u32)target - 0xf0000) & ~0xffff)
- return -1;
-
- printf("set_jmp_vector: 0xf000:%04x -> %p\n",
- entry_point, target);
-
- /* jmp opcode */
- writeb(0xea, 0xf0000 + entry_point);
-
- /* offset */
- writew(((u32)target-0xf0000), 0xf0000 + entry_point + 1);
-
- /* segment */
- writew(0xf000, 0xf0000 + entry_point + 3);
-
- return 0;
-}
-
-/* Install an interrupt vector */
-static void setvector(int vector, u16 segment, void *handler)
-{
- u16 *ptr = (u16 *)(vector * 4);
- ptr[0] = ((u32)handler - (segment << 4)) & 0xffff;
- ptr[1] = segment;
-
-#if 0
- printf("setvector: int%02x -> %04x:%04x\n",
- vector, ptr[1], ptr[0]);
-#endif
-}
-
-int bios_setup(void)
-{
- /* The BIOS section is not relocated and still in the ROM. */
- ulong bios_start = (ulong)&__bios_start;
- ulong bios_size = (ulong)&__bios_size;
-
- static int done;
- int vector;
-#ifdef CONFIG_PCI
- struct pci_controller *pri_hose;
-#endif
- if (done)
- return 0;
-
- done = 1;
-
- if (bios_size > 65536) {
- printf("BIOS too large (%ld bytes, max is 65536)\n",
- bios_size);
- return -1;
- }
-
- memcpy(BIOS_BASE, (void *)bios_start, bios_size);
-
- /* clear bda */
- memset(BIOS_DATA, 0, BIOS_DATA_SIZE);
-
- /* enter some values to the bda */
- writew(0x3f8, BIOS_DATA); /* com1 addr */
- writew(0x2f8, BIOS_DATA+2); /* com2 addr */
- writew(0x3e8, BIOS_DATA+4); /* com3 addr */
- writew(0x2e8, BIOS_DATA+6); /* com4 addr */
- writew(0x278, BIOS_DATA+8); /* lpt1 addr */
- /*
- * The kernel wants to read the base memory size
- * from 40:13. Put a zero there to avoid an error message
- */
- writew(0, BIOS_DATA+0x13); /* base memory size */
-
-
- /* setup realmode interrupt vectors */
- for (vector = 0; vector < NUMVECTS; vector++)
- setvector(vector, BIOS_CS, &rm_def_int);
-
- setvector(0x00, BIOS_CS, &rm_int00);
- setvector(0x01, BIOS_CS, &rm_int01);
- setvector(0x02, BIOS_CS, &rm_int02);
- setvector(0x03, BIOS_CS, &rm_int03);
- setvector(0x04, BIOS_CS, &rm_int04);
- setvector(0x05, BIOS_CS, &rm_int05);
- setvector(0x06, BIOS_CS, &rm_int06);
- setvector(0x07, BIOS_CS, &rm_int07);
- setvector(0x08, BIOS_CS, &rm_int08);
- setvector(0x09, BIOS_CS, &rm_int09);
- setvector(0x0a, BIOS_CS, &rm_int0a);
- setvector(0x0b, BIOS_CS, &rm_int0b);
- setvector(0x0c, BIOS_CS, &rm_int0c);
- setvector(0x0d, BIOS_CS, &rm_int0d);
- setvector(0x0e, BIOS_CS, &rm_int0e);
- setvector(0x0f, BIOS_CS, &rm_int0f);
- setvector(0x10, BIOS_CS, &rm_int10);
- setvector(0x11, BIOS_CS, &rm_int11);
- setvector(0x12, BIOS_CS, &rm_int12);
- setvector(0x13, BIOS_CS, &rm_int13);
- setvector(0x14, BIOS_CS, &rm_int14);
- setvector(0x15, BIOS_CS, &rm_int15);
- setvector(0x16, BIOS_CS, &rm_int16);
- setvector(0x17, BIOS_CS, &rm_int17);
- setvector(0x18, BIOS_CS, &rm_int18);
- setvector(0x19, BIOS_CS, &rm_int19);
- setvector(0x1a, BIOS_CS, &rm_int1a);
- setvector(0x1b, BIOS_CS, &rm_int1b);
- setvector(0x1c, BIOS_CS, &rm_int1c);
- setvector(0x1d, BIOS_CS, &rm_int1d);
- setvector(0x1e, BIOS_CS, &rm_int1e);
- setvector(0x1f, BIOS_CS, &rm_int1f);
-
- set_jmp_vector(0xfff0, &realmode_reset);
- set_jmp_vector(0xfe6e, &realmode_pci_bios_call_entry);
-
- /* fill in data area */
- RELOC_16_WORD(0xf000, ram_in_64kb_chunks) = gd->ram_size >> 16;
- RELOC_16_WORD(0xf000, bios_equipment) = 0; /* FixMe */
-
- /* If we assume only one PCI hose, this PCI hose
- * will own PCI bus #0, and the last PCI bus of
- * that PCI hose will be the last PCI bus in the
- * system.
- * (This, ofcause break on multi hose systems,
- * but our PCI BIOS only support one hose anyway)
- */
-#ifdef CONFIG_PCI
- pri_hose = pci_bus_to_hose(0);
- if (NULL != pri_hose) {
- /* fill in last pci bus number for use by the realmode
- * PCI BIOS */
- RELOC_16_BYTE(0xf000, pci_last_bus) = pri_hose->last_busno;
- }
-#endif
- return 0;
-}
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <common.h>
-#include <asm/io.h>
-#include <asm/ptrace.h>
-#include <asm/realmode.h>
-
-#define REALMODE_MAILBOX ((char *)0xe00)
-
-int realmode_setup(void)
-{
- /* The realmode section is not relocated and still in the ROM. */
- ulong realmode_start = (ulong)&__realmode_start;
- ulong realmode_size = (ulong)&__realmode_size;
-
- /* copy the realmode switch code */
- if (realmode_size > (REALMODE_MAILBOX - (char *)REALMODE_BASE)) {
- printf("realmode switch too large (%ld bytes, max is %d)\n",
- realmode_size,
- (int)(REALMODE_MAILBOX - (char *)REALMODE_BASE));
- return -1;
- }
-
- memcpy((char *)REALMODE_BASE, (void *)realmode_start, realmode_size);
- asm("wbinvd\n");
-
- return 0;
-}
-
-int enter_realmode(u16 seg, u16 off, struct pt_regs *in, struct pt_regs *out)
-{
-
- /* setup out thin bios emulation */
- if (bios_setup())
- return -1;
-
- if (realmode_setup())
- return -1;
-
- in->eip = off;
- in->xcs = seg;
- if ((in->esp & 0xffff) < 4)
- printf("Warning: entering realmode with sp < 4 will fail\n");
-
- memcpy(REALMODE_MAILBOX, in, sizeof(struct pt_regs));
- asm("wbinvd\n");
-
- __asm__ volatile (
- "lcall $0x20,%0\n" : : "i" (&realmode_enter));
-
- asm("wbinvd\n");
- memcpy(out, REALMODE_MAILBOX, sizeof(struct pt_regs));
-
- return out->eax;
-}
-
-/*
- * This code is supposed to access a realmode interrupt
- * it does currently not work for me
- */
-int enter_realmode_int(u8 lvl, struct pt_regs *in, struct pt_regs *out)
-{
- /* place two instructions at 0x700 */
- writeb(0xcd, 0x700); /* int $lvl */
- writeb(lvl, 0x701);
- writeb(0xcb, 0x702); /* lret */
- asm("wbinvd\n");
-
- enter_realmode(0x00, 0x700, in, out);
-
- return out->eflags & 0x00000001;
-}
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-/* 32bit -> 16bit -> 32bit mode switch code */
-
-/*
- * Stack frame at 0xe00
- * e00 ebx;
- * e04 ecx;
- * e08 edx;
- * e0c esi;
- * e10 edi;
- * e14 ebp;
- * e18 eax;
- * e1c ds;
- * e20 es;
- * e24 fs;
- * e28 gs;
- * e2c orig_eax;
- * e30 eip;
- * e34 cs;
- * e38 eflags;
- * e3c esp;
- * e40 ss;
- */
-
-#define a32 .byte 0x67; /* address size prefix 32 */
-#define o32 .byte 0x66; /* operand size prefix 32 */
-
-.section .realmode, "ax"
-.code16
-
- /* 16bit protected mode code here */
-.globl realmode_enter
-realmode_enter:
-o32 pusha
-o32 pushf
- cli
- sidt saved_idt
- sgdt saved_gdt
- movl %esp, %eax
- movl %eax, saved_protected_mode_esp
-
- movl $0x10, %eax
- movl %eax, %esp
- movw $0x28, %ax
- movw %ax, %ds
- movw %ax, %es
- movw %ax, %fs
- movw %ax, %gs
-
- lidt realmode_idt_ptr
- /* Go back into real mode by clearing PE to 0 */
- movl %cr0, %eax
- andl $0x7ffffffe, %eax
- movl %eax, %cr0
-
- /* switch to real mode */
- ljmp $0x0,$do_realmode
-
-do_realmode:
- /* realmode code from here */
- movw %cs,%ax
- movw %ax,%ds
- movw %ax,%es
- movw %ax,%fs
- movw %ax,%gs
-
- /* create a temporary stack */
- movw $0xc0, %ax
- movw %ax, %ss
- movw $0x200, %ax
- movw %ax, %sp
-
- popl %ebx
- popl %ecx
- popl %edx
- popl %esi
- popl %edi
- popl %ebp
- popl %eax
- movl %eax, temp_eax
- popl %eax
- movw %ax, %ds
- popl %eax
- movw %ax, %es
- popl %eax
- movw %ax, %fs
- popl %eax
- movw %ax, %gs
- popl %eax /* orig_eax */
- popl %eax
-cs movw %ax, temp_ip
- popl %eax
-cs movw %ax, temp_cs
-o32 popf
- popl %eax
- popw %ss
- movl %eax, %esp
-cs movl temp_eax, %eax
-
- /* self-modifying code, better flush the cache */
- wbinvd
-
- .byte 0x9a /* lcall */
-temp_ip:
- .word 0 /* new ip */
-temp_cs:
- .word 0 /* new cs */
-
-realmode_ret:
- /* save eax, esp and ss */
-cs movl %eax, saved_eax
- movl %esp, %eax
-cs movl %eax, saved_esp
- movw %ss, %ax
-cs movw %ax, saved_ss
-
- /*
- * restore the stack, note that we set sp to 0x244;
- * pt_regs is 0x44 bytes long and we push the structure
- * backwards on to the stack, bottom first
- */
- movw $0xc0, %ax
- movw %ax, %ss
- movw $0x244, %ax
- movw %ax, %sp
-
- xorl %eax,%eax
-cs movw saved_ss, %ax
- pushl %eax
-cs movl saved_esp, %eax
- pushl %eax
-o32 pushf
- xorl %eax,%eax
-cs movw temp_cs, %ax
- pushl %eax
-cs movw temp_ip, %ax
- pushl %eax
- pushl $0
- movw %gs, %ax
- pushl %eax
- movw %fs, %ax
- pushl %eax
- movw %es, %ax
- pushl %eax
- movw %ds, %ax
- pushl %eax
- movl saved_eax, %eax
- pushl %eax
- pushl %ebp
- pushl %edi
- pushl %esi
- pushl %edx
- pushl %ecx
- pushl %ebx
-
-o32 cs lidt saved_idt
-o32 cs lgdt saved_gdt
-
- /* Go back into protected mode reset PE to 1 */
- movl %cr0, %eax
- orl $1,%eax
- movl %eax, %cr0
-
- /* flush prefetch queue */
- jmp next_line
-next_line:
- movw $return_ptr, %ax
- movw %ax,%bp
-o32 cs ljmp *(%bp)
-
-.code32
-protected_mode:
- /* Reload segment registers */
- movl $0x18, %eax
- movw %ax, %fs
- movw %ax, %ds
- movw %ax, %gs
- movw %ax, %es
- movw %ax, %ss
- movl saved_protected_mode_esp, %eax
- movl %eax, %esp
- popf
- popa
- ret
-
-temp_eax:
- .long 0
-
-saved_ss:
- .word 0
-saved_esp:
- .long 0
-saved_eax:
- .long 0
-
-realmode_idt_ptr:
- .word 0x400
- .word 0x0, 0x0
-
-saved_gdt:
- .word 0, 0, 0, 0
-saved_idt:
- .word 0, 0, 0, 0
-
-saved_protected_mode_esp:
- .long 0
-
-return_ptr:
- .long protected_mode
- .word 0x10
#include <stdio_dev.h>
#include <i8042.h>
#include <asm/ptrace.h>
-#include <asm/realmode.h>
#include <asm/io.h>
#include <asm/pci.h>
int drv_video_init(void)
{
-#ifndef CONFIG_X86_NO_REAL_MODE
- if (video_bios_init())
- return 1;
-#endif
-
return video_init();
}
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <common.h>
-#include <pci.h>
-#include <malloc.h>
-#include <asm/ptrace.h>
-#include <asm/realmode.h>
-#include <asm/io.h>
-#include <asm/pci.h>
-#include "bios.h"
-
-#undef PCI_BIOS_DEBUG
-#undef VGA_BIOS_DEBUG
-
-#ifdef VGA_BIOS_DEBUG
-#define PRINTF(fmt, args...) printf(fmt, ##args)
-#else
-#define PRINTF(fmt, args...)
-#endif
-
-#define PCI_CLASS_VIDEO 3
-#define PCI_CLASS_VIDEO_STD 0
-#define PCI_CLASS_VIDEO_PROG_IF_VGA 0
-
-DEFINE_PCI_DEVICE_TABLE(supported) = {
- {PCI_VIDEO_VENDOR_ID, PCI_VIDEO_DEVICE_ID},
- {}
-};
-
-static u32 probe_pci_video(void)
-{
- struct pci_controller *hose;
- pci_dev_t devbusfn = pci_find_devices(supported, 0);
-
- if ((devbusfn != -1)) {
- u32 old;
- u32 addr;
-
- /* PCI video device detected */
- printf("Found PCI VGA device at %02x.%02x.%x\n",
- PCI_BUS(devbusfn),
- PCI_DEV(devbusfn),
- PCI_FUNC(devbusfn));
-
- /* Enable I/O decoding as well, PCI viudeo boards
- * support I/O accesses, but they provide no
- * bar register for this since the ports are fixed.
- */
- pci_write_config_word(devbusfn,
- PCI_COMMAND,
- PCI_COMMAND_MEMORY |
- PCI_COMMAND_IO |
- PCI_COMMAND_MASTER);
-
- /* Test the ROM decoder, do the device support a rom? */
- pci_read_config_dword(devbusfn, PCI_ROM_ADDRESS, &old);
- pci_write_config_dword(devbusfn, PCI_ROM_ADDRESS,
- (u32)PCI_ROM_ADDRESS_MASK);
- pci_read_config_dword(devbusfn, PCI_ROM_ADDRESS, &addr);
- pci_write_config_dword(devbusfn, PCI_ROM_ADDRESS, old);
-
- if (!addr) {
- printf("PCI VGA have no ROM?\n");
- return 0;
- }
-
- /* device have a rom */
- if (pci_shadow_rom(devbusfn, (void *)0xc0000)) {
- printf("Shadowing of PCI VGA BIOS failed\n");
- return 0;
- }
-
- /* Now enable lagacy VGA port access */
- hose = pci_bus_to_hose(PCI_BUS(devbusfn));
- if (pci_enable_legacy_video_ports(hose)) {
- printf("PCI VGA enable failed\n");
- return 0;
- }
-
-
- /* return the pci device info, that we'll need later */
- return PCI_BUS(devbusfn) << 8 |
- PCI_DEV(devbusfn) << 3 | (PCI_FUNC(devbusfn) & 7);
- }
-
- return 0;
-}
-
-static int probe_isa_video(void)
-{
- u32 ptr;
- char *buf;
-
- ptr = isa_map_rom(0xc0000, 0x8000);
-
- if (!ptr)
- return -1;
-
- buf = malloc(0x8000);
- if (!buf) {
- isa_unmap_rom(ptr);
- return -1;
- }
-
- if (readw(ptr) != 0xaa55) {
- free(buf);
- isa_unmap_rom(ptr);
- return -1;
- }
-
- /* shadow the rom */
- memcpy(buf, (void *)ptr, 0x8000);
- isa_unmap_rom(ptr);
- memcpy((void *)0xc0000, buf, 0x8000);
-
- free(buf);
-
- return 0;
-}
-
-int video_bios_init(void)
-{
- struct pt_regs regs;
- int size;
- int i;
- u8 sum;
-
- /* clear the video bios area in case we warmbooted */
- memset((void *)0xc0000, 0, 0x8000);
- memset(®s, 0, sizeof(struct pt_regs));
-
- if (probe_isa_video())
- /* No ISA board found, try the PCI bus */
- regs.eax = probe_pci_video();
-
- /* Did we succeed in mapping any video bios */
- if (readw(0xc0000) == 0xaa55) {
- PRINTF("Found video bios signature\n");
- size = readb(0xc0002) * 512;
- PRINTF("size %d\n", size);
- sum = 0;
-
- for (i = 0; i < size; i++)
- sum += readb(0xc0000 + i);
-
- PRINTF("Checksum is %sOK\n", sum ? "NOT " : "");
-
- if (sum)
- return 1;
-
- /*
- * Some video bioses (ATI Mach64) seem to think that
- * the original int 10 handler is always at
- * 0xf000:0xf065 , place an iret instruction there
- */
- writeb(0xcf, 0xff065);
-
- regs.esp = 0x8000;
- regs.xss = 0x2000;
- enter_realmode(0xc000, 3, ®s, ®s);
-
- PRINTF("INT 0x10 vector after: %04x:%04x\n",
- readw(0x42), readw(0x40));
- PRINTF("BIOS returned %scarry\n",
- regs.eflags & 0x00000001 ? "" : "NOT ");
-#ifdef PCI_BIOS_DEBUG
- print_bios_bios_stat();
-#endif
- return regs.eflags & 0x00000001;
-
- }
-
- return 1;
-
-}
#include <asm/io.h>
#include <asm/ptrace.h>
#include <asm/zimage.h>
-#include <asm/realmode.h>
#include <asm/byteorder.h>
#include <asm/bootparam.h>
#ifdef CONFIG_SYS_COREBOOT
else
*load_address = (void *)ZIMAGE_LOAD_ADDR;
-#if (defined CONFIG_ZBOOT_32 || defined CONFIG_X86_NO_REAL_MODE)
printf("Building boot_params at 0x%8.8lx\n", (ulong)setup_base);
memset(setup_base, 0, sizeof(*setup_base));
setup_base->hdr = params->hdr;
-#else
- /* load setup */
- printf("Moving Real-Mode Code to 0x%8.8lx (%d bytes)\n",
- (ulong)setup_base, setup_size);
- memmove(setup_base, image, setup_size);
-#endif
if (bootproto >= 0x0204)
kernel_size = hdr->syssize * 16;
struct setup_header *hdr = &setup_base->hdr;
int bootproto = get_boot_protocol(hdr);
-#if (defined CONFIG_ZBOOT_32 || defined CONFIG_X86_NO_REAL_MODE)
setup_base->e820_entries = install_e820_map(
ARRAY_SIZE(setup_base->e820_map), setup_base->e820_map);
-#endif
if (bootproto == 0x0100) {
setup_base->screen_info.cl_magic = COMMAND_LINE_MAGIC;
#ifdef CONFIG_SYS_COREBOOT
timestamp_add_now(TS_U_BOOT_START_KERNEL);
#endif
-#if defined CONFIG_ZBOOT_32
/*
* Set %ebx, %ebp, and %edi to 0, %esi to point to the boot_params
* structure, and then jump to the kernel. We assume that %cs is
"b"(0), "D"(0)
: "%ebp"
);
-#else
- struct pt_regs regs;
-
- memset(®s, 0, sizeof(struct pt_regs));
- regs.xds = (u32)setup_base >> 4;
- regs.xes = regs.xds;
- regs.xss = regs.xds;
- regs.esp = 0x9000;
- regs.eflags = 0;
- enter_realmode(((u32)setup_base + SETUP_START_OFFSET) >> 4, 0,
- ®s, ®s);
-#endif
}
void setup_pcat_compatibility(void)
+++ /dev/null
-#
-# (C) Copyright 2008
-# Graeme Russ, graeme.russ@gmail.com.
-#
-# (C) Copyright 2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2002
-# Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# 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 $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(BOARD).o
-
-COBJS-y += eNET.o
-COBJS-$(CONFIG_PCI) += eNET_pci.o
-SOBJS-y += eNET_start16.o
-SOBJS-y += eNET_start.o
-
-SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
-
-$(LIB): $(obj).depend $(OBJS) $(SOBJS)
- $(call cmd_link_o_target, $(OBJS) $(SOBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Graeme Russ, graeme.russ@gmail.com.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <common.h>
-#include <asm/io.h>
-#include <asm/arch/sc520.h>
-#include <net.h>
-#include <netdev.h>
-
-#ifdef CONFIG_HW_WATCHDOG
-#include <watchdog.h>
-#endif
-
-#include "hardware.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
-
-static void enet_timer_isr(void);
-static void enet_toggle_run_led(void);
-static void enet_setup_pars(void);
-
-/*
- * Miscellaneous platform dependent initializations
- */
-int board_early_init_f(void)
-{
- u16 pio_out_cfg = 0x0000;
-
- /* Configure General Purpose Bus timing */
- writeb(CONFIG_SYS_SC520_GPCSRT, &sc520_mmcr->gpcsrt);
- writeb(CONFIG_SYS_SC520_GPCSPW, &sc520_mmcr->gpcspw);
- writeb(CONFIG_SYS_SC520_GPCSOFF, &sc520_mmcr->gpcsoff);
- writeb(CONFIG_SYS_SC520_GPRDW, &sc520_mmcr->gprdw);
- writeb(CONFIG_SYS_SC520_GPRDOFF, &sc520_mmcr->gprdoff);
- writeb(CONFIG_SYS_SC520_GPWRW, &sc520_mmcr->gpwrw);
- writeb(CONFIG_SYS_SC520_GPWROFF, &sc520_mmcr->gpwroff);
-
- /* Configure Programmable Input/Output Pins */
- writew(CONFIG_SYS_SC520_PIODIR15_0, &sc520_mmcr->piodir15_0);
- writew(CONFIG_SYS_SC520_PIODIR31_16, &sc520_mmcr->piodir31_16);
- writew(CONFIG_SYS_SC520_PIOPFS31_16, &sc520_mmcr->piopfs31_16);
- writew(CONFIG_SYS_SC520_PIOPFS15_0, &sc520_mmcr->piopfs15_0);
- writeb(CONFIG_SYS_SC520_CSPFS, &sc520_mmcr->cspfs);
- writeb(CONFIG_SYS_SC520_CLKSEL, &sc520_mmcr->clksel);
-
- /*
- * Turn off top board
- * Set StrataFlash chips to 16-bit width
- * Set StrataFlash chips to normal (non reset/power down) mode
- */
- pio_out_cfg |= CONFIG_SYS_ENET_TOP_BRD_PWR;
- pio_out_cfg |= CONFIG_SYS_ENET_SF_WIDTH;
- pio_out_cfg |= CONFIG_SYS_ENET_SF1_MODE;
- pio_out_cfg |= CONFIG_SYS_ENET_SF2_MODE;
- writew(pio_out_cfg, &sc520_mmcr->pioset15_0);
-
- /* Turn off auxiliary power output */
- writew(CONFIG_SYS_ENET_AUX_PWR, &sc520_mmcr->pioclr15_0);
-
- /* Clear FPGA program mode */
- writew(CONFIG_SYS_ENET_FPGA_PROG, &sc520_mmcr->pioset31_16);
-
- enet_setup_pars();
-
- /* Disable Watchdog */
- writew(0x3333, &sc520_mmcr->wdtmrctl);
- writew(0xcccc, &sc520_mmcr->wdtmrctl);
- writew(0x0000, &sc520_mmcr->wdtmrctl);
-
- /* Chip Select Configuration */
- writew(CONFIG_SYS_SC520_BOOTCS_CTRL, &sc520_mmcr->bootcsctl);
- writew(CONFIG_SYS_SC520_ROMCS1_CTRL, &sc520_mmcr->romcs1ctl);
- writew(CONFIG_SYS_SC520_ROMCS2_CTRL, &sc520_mmcr->romcs2ctl);
-
- writeb(CONFIG_SYS_SC520_ADDDECCTL, &sc520_mmcr->adddecctl);
- writeb(CONFIG_SYS_SC520_UART1CTL, &sc520_mmcr->uart1ctl);
- writeb(CONFIG_SYS_SC520_UART2CTL, &sc520_mmcr->uart2ctl);
-
- writeb(CONFIG_SYS_SC520_SYSARBCTL, &sc520_mmcr->sysarbctl);
- writew(CONFIG_SYS_SC520_SYSARBMENB, &sc520_mmcr->sysarbmenb);
-
- /* enable posted-writes */
- writeb(CONFIG_SYS_SC520_HBCTL, &sc520_mmcr->hbctl);
-
- return 0;
-}
-
-static void enet_setup_pars(void)
-{
- /*
- * PARs 11 and 12 are 2MB SRAM @ 0x19000000
- *
- * These are setup now because older version of U-Boot have them
- * mapped to a different PAR which gets clobbered which prevents
- * using SRAM for warm-booting a new image
- */
- writel(CONFIG_SYS_SC520_SRAM1_PAR, &sc520_mmcr->par[11]);
- writel(CONFIG_SYS_SC520_SRAM2_PAR, &sc520_mmcr->par[12]);
-
- /* PARs 0 and 1 are Compact Flash slots (4kB each) */
- writel(CONFIG_SYS_SC520_CF1_PAR, &sc520_mmcr->par[0]);
- writel(CONFIG_SYS_SC520_CF2_PAR, &sc520_mmcr->par[1]);
-
- /* PAR 2 is used for Cache-As-RAM */
-
- /*
- * PARs 5 through 8 are additional NS16550 UARTS
- * 8 bytes each @ 0x013f8, 0x012f8, 0x011f8 and 0x010f8
- */
- writel(CONFIG_SYS_SC520_UARTA_PAR, &sc520_mmcr->par[5]);
- writel(CONFIG_SYS_SC520_UARTB_PAR, &sc520_mmcr->par[6]);
- writel(CONFIG_SYS_SC520_UARTC_PAR, &sc520_mmcr->par[7]);
- writel(CONFIG_SYS_SC520_UARTD_PAR, &sc520_mmcr->par[8]);
-
- /* PARs 9 and 10 are 32MB StrataFlash @ 0x10000000 */
- writel(CONFIG_SYS_SC520_SF1_PAR, &sc520_mmcr->par[9]);
- writel(CONFIG_SYS_SC520_SF2_PAR, &sc520_mmcr->par[10]);
-
- /* PAR 13 is 4kB DPRAM @ 0x18100000 (implemented in FPGA) */
- writel(CONFIG_SYS_SC520_DPRAM_PAR, &sc520_mmcr->par[13]);
-
- /*
- * PAR 14 is Low Level I/O (LEDs, Hex Switches etc)
- * Already configured in board_init16 (eNET_start16.S)
- *
- * PAR 15 is Boot ROM
- * Already configured in board_init16 (eNET_start16.S)
- */
-}
-
-
-int board_early_init_r(void)
-{
- /* CPU Speed to 100MHz */
- gd->cpu_clk = 100000000;
-
- /* Crystal is 33.000MHz */
- gd->bus_clk = 33000000;
-
- return 0;
-}
-
-void show_boot_progress(int val)
-{
- uchar led_mask;
-
- led_mask = 0x00;
-
- if (val < 0)
- led_mask |= LED_ERR_BITMASK;
-
- led_mask |= (uchar)(val & 0x001f);
- outb(led_mask, LED_LATCH_ADDRESS);
-}
-
-
-int last_stage_init(void)
-{
- outb(0x00, LED_LATCH_ADDRESS);
-
- register_timer_isr(enet_timer_isr);
-
- printf("Serck Controls eNET\n");
-
- return 0;
-}
-
-ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
-{
- if (banknum == 0) { /* non-CFI boot flash */
- info->portwidth = FLASH_CFI_8BIT;
- info->chipwidth = FLASH_CFI_BY8;
- info->interface = FLASH_CFI_X8;
- return 1;
- } else {
- return 0;
- }
-}
-
-int board_eth_init(bd_t *bis)
-{
- return pci_eth_init(bis);
-}
-
-void setup_pcat_compatibility()
-{
- /* disable global interrupt mode */
- writeb(0x40, &sc520_mmcr->picicr);
-
- /* set all irqs to edge */
- writeb(0x00, &sc520_mmcr->pic_mode[0]);
- writeb(0x00, &sc520_mmcr->pic_mode[1]);
- writeb(0x00, &sc520_mmcr->pic_mode[2]);
-
- /*
- * active low polarity on PIC interrupt pins,
- * active high polarity on all other irq pins
- */
- writew(0x0000, &sc520_mmcr->intpinpol);
-
- /*
- * PIT 0 -> IRQ0
- * RTC -> IRQ8
- * FP error -> IRQ13
- * UART1 -> IRQ4
- * UART2 -> IRQ3
- */
- writeb(SC520_IRQ0, &sc520_mmcr->pit_int_map[0]);
- writeb(SC520_IRQ8, &sc520_mmcr->rtcmap);
- writeb(SC520_IRQ13, &sc520_mmcr->ferrmap);
- writeb(SC520_IRQ4, &sc520_mmcr->uart_int_map[0]);
- writeb(SC520_IRQ3, &sc520_mmcr->uart_int_map[1]);
-
- /* Disable all other interrupt sources */
- writeb(SC520_IRQ_DISABLED, &sc520_mmcr->gp_tmr_int_map[0]);
- writeb(SC520_IRQ_DISABLED, &sc520_mmcr->gp_tmr_int_map[1]);
- writeb(SC520_IRQ_DISABLED, &sc520_mmcr->gp_tmr_int_map[2]);
- writeb(SC520_IRQ_DISABLED, &sc520_mmcr->pit_int_map[1]);
- writeb(SC520_IRQ_DISABLED, &sc520_mmcr->pit_int_map[2]);
- writeb(SC520_IRQ_DISABLED, &sc520_mmcr->ssimap);
- writeb(SC520_IRQ_DISABLED, &sc520_mmcr->wdtmap);
- writeb(SC520_IRQ_DISABLED, &sc520_mmcr->wpvmap);
- writeb(SC520_IRQ_DISABLED, &sc520_mmcr->icemap);
-}
-
-void enet_timer_isr(void)
-{
- static long enet_ticks;
-
- enet_ticks++;
-
- /* Toggle Watchdog every 100ms */
- if ((enet_ticks % 100) == 0)
- hw_watchdog_reset();
-
- /* Toggle Run LED every 500ms */
- if ((enet_ticks % 500) == 0)
- enet_toggle_run_led();
-}
-
-void hw_watchdog_reset(void)
-{
- /* Watchdog Reset must be atomic */
- long flag = disable_interrupts();
-
- if (sc520_mmcr->piodata15_0 & WATCHDOG_PIO_BIT)
- sc520_mmcr->pioclr15_0 = WATCHDOG_PIO_BIT;
- else
- sc520_mmcr->pioset15_0 = WATCHDOG_PIO_BIT;
-
- if (flag)
- enable_interrupts();
-}
-
-void enet_toggle_run_led(void)
-{
- unsigned char leds_state = inb(LED_LATCH_ADDRESS);
- if (leds_state & LED_RUN_BITMASK)
- outb(leds_state & ~LED_RUN_BITMASK, LED_LATCH_ADDRESS);
- else
- outb(leds_state | LED_RUN_BITMASK, LED_LATCH_ADDRESS);
-}
+++ /dev/null
-/*
- * (C) Copyright 2008,2009
- * Graeme Russ, <graeme.russ@gmail.com>
- *
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <common.h>
-#include <pci.h>
-#include <asm/pci.h>
-#include <asm/arch/pci.h>
-
-static void pci_enet_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
-{
- /* a configurable lists of IRQs to steal when we need one */
- static int irq_list[] = {
- CONFIG_SYS_FIRST_PCI_IRQ,
- CONFIG_SYS_SECOND_PCI_IRQ,
- CONFIG_SYS_THIRD_PCI_IRQ,
- CONFIG_SYS_FORTH_PCI_IRQ
- };
- static int next_irq_index;
-
- uchar tmp_pin;
- int pin;
-
- pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_PIN, &tmp_pin);
- pin = tmp_pin;
-
- pin -= 1; /* PCI config space use 1-based numbering */
- if (pin == -1)
- return; /* device use no irq */
-
- /* map device number + pin to a pin on the sc520 */
- switch (PCI_DEV(dev)) {
- case 12: /* First Ethernet Chip */
- pin += SC520_PCI_INTA;
- break;
-
- case 13: /* Second Ethernet Chip */
- pin += SC520_PCI_INTB;
- break;
-
- default:
- return;
- }
-
- pin &= 3; /* wrap around */
-
- if (sc520_pci_ints[pin] == -1) {
- /* re-route one interrupt for us */
- if (next_irq_index > 3)
- return;
-
- if (pci_sc520_set_irq(pin, irq_list[next_irq_index]))
- return;
-
- next_irq_index++;
- }
-
- if (-1 != sc520_pci_ints[pin])
- pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE,
- sc520_pci_ints[pin]);
-
- printf("fixup_irq: device %d pin %c irq %d\n",
- PCI_DEV(dev), 'A' + pin, sc520_pci_ints[pin]);
-}
-
-static struct pci_controller enet_hose = {
- fixup_irq: pci_enet_fixup_irq,
-};
-
-void pci_init_board(void)
-{
- pci_sc520_init(&enet_hose);
-}
-
-int pci_set_regions(struct pci_controller *hose)
-{
- /* System memory space */
- pci_set_region(hose->regions + 0,
- SC520_PCI_MEMORY_BUS,
- SC520_PCI_MEMORY_PHYS,
- SC520_PCI_MEMORY_SIZE,
- PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
-
- /* ISA/PCI memory space */
- pci_set_region(hose->regions + 1,
- SC520_ISA_MEM_BUS,
- SC520_ISA_MEM_PHYS,
- SC520_ISA_MEM_SIZE,
- PCI_REGION_MEM);
-
- /* PCI I/O space */
- pci_set_region(hose->regions + 2,
- SC520_PCI_IO_BUS,
- SC520_PCI_IO_PHYS,
- SC520_PCI_IO_SIZE,
- PCI_REGION_IO);
-
- /* ISA/PCI I/O space */
- pci_set_region(hose->regions + 3,
- SC520_ISA_IO_BUS,
- SC520_ISA_IO_PHYS,
- SC520_ISA_IO_SIZE,
- PCI_REGION_IO);
-
- return 4;
-}
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Graeme Russ, graeme.russ@gmail.com.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 "hardware.h"
-
-/* board early intialization */
-.globl early_board_init
-early_board_init:
- /* No 32-bit board specific initialisation */
- jmp early_board_init_ret
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Graeme Russ, graeme.russ@gmail.com.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-/*
- * 16bit initialization code.
- * This code have to map the area of the boot flash
- * that is used by U-boot to its final destination.
- */
-
-#include "config.h"
-#include "hardware.h"
-#include <asm/arch/sc520.h>
-#include <generated/asm-offsets.h>
-
-.text
-.section .start16, "ax"
-.code16
-.globl board_init16
-board_init16:
- /* Alias MMCR to 0xdf000 */
- movw $0xfffc, %dx
- movl $0x800df0cb, %eax
- outl %eax, %dx
-
- /* Set ds to point to MMCR alias */
- movw $0xdf00, %ax
- movw %ax, %ds
-
- /* Map PAR for Boot Flash (BOOTCS, 512kB @ 0x380000000) */
- movl $GENERATED_SC520_PAR14, %edi
- movl $CONFIG_SYS_SC520_BOOTCS_PAR, %eax
- movl %eax, (%di)
-
- /* Map PAR for LED, Hex Switches (GPCS6, 20 Bytes @ 0x1000) */
- movl $GENERATED_SC520_PAR15, %edi
- movl $CONFIG_SYS_SC520_LLIO_PAR, %eax
- movl %eax, (%di)
-
- /* Disabe MMCR alias */
- movw $0xfffc, %dx
- movl $0x000000cb, %eax
- outl %eax, %dx
-
- jmp board_init16_ret
-
-.section .bios, "ax"
-.code16
-.globl realmode_reset
-.hidden realmode_reset
-.type realmode_reset, @function
-realmode_reset:
- /* Alias MMCR to 0xdf000 */
- movw $0xfffc, %dx
- movl $0x800df0cb, %eax
- outl %eax, %dx
-
- /* Set ds to point to MMCR alias */
- movw $0xdf00, %ax
- movw %ax, %ds
-
- /* issue software reset thorugh MMCR */
- movl $0xd72, %edi
- movb $0x01, %al
- movb %al, (%di)
-
-1: hlt
- jmp 1
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Graeme Russ, graeme.russ@gmail.com.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-#ifndef HARDWARE_H_
-#define HARDWARE_H_
-
-#define LED_LATCH_ADDRESS 0x1002
-#define LED_RUN_BITMASK 0x01
-#define LED_1_BITMASK 0x02
-#define LED_2_BITMASK 0x04
-#define LED_RX_BITMASK 0x08
-#define LED_TX_BITMASK 0x10
-#define LED_ERR_BITMASK 0x20
-#define WATCHDOG_PIO_BIT 0x8000
-
-#endif /* HARDWARE_H_ */
grsim sparc leon3 - gaisler
gr_xc3s_1500 sparc leon3 - gaisler
coreboot-x86 x86 x86 coreboot chromebook-x86 coreboot coreboot:SYS_TEXT_BASE=0x01110000
-eNET x86 x86 eNET - sc520 eNET:SYS_TEXT_BASE=0x38040000
-eNET_SRAM x86 x86 eNET - sc520 eNET:SYS_TEXT_BASE=0x19000000
# Target ARCH CPU Board name Vendor SoC Options
########################################################################################################################
#define CONFIG_SYS_COREBOOT
#define CONFIG_SHOW_BOOT_PROGRESS
#define CONFIG_LAST_STAGE_INIT
-#define CONFIG_X86_NO_RESET_VECTOR
#define CONFIG_SYS_VSNPRINTF
#define CONFIG_INTEL_CORE_ARCH /* Sandy bridge and ivy bridge chipsets. */
#define CONFIG_ZBOOT_32
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Graeme Russ, graeme.russ@gmail.com.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <asm/ibmpc.h>
-/*
- * board/config.h - configuration options, board specific
- */
-
-#ifndef __CONFIG_H
-#define __CONFIG_H
-
-/*
- * High Level Configuration Options
- * (easy to change)
- */
-#define CONFIG_SYS_SC520
-#define CONFIG_SYS_SC520_SSI
-#define CONFIG_SHOW_BOOT_PROGRESS
-#define CONFIG_LAST_STAGE_INIT
-
-/*-----------------------------------------------------------------------
- * Watchdog Configuration
- * NOTE: If CONFIG_HW_WATCHDOG is NOT defined, the watchdog jumper on the
- * bottom (processor) board MUST be removed!
- */
-#undef CONFIG_WATCHDOG
-#define CONFIG_HW_WATCHDOG
-
-/*-----------------------------------------------------------------------
- * Real Time Clock Configuration
- */
-#define CONFIG_RTC_MC146818
-#define CONFIG_SYS_ISA_IO_BASE_ADDRESS 0
-
-/*-----------------------------------------------------------------------
- * Serial Configuration
- */
-#define CONFIG_CONS_INDEX 1
-#define CONFIG_SYS_NS16550
-#define CONFIG_SYS_NS16550_SERIAL
-#define CONFIG_SYS_NS16550_REG_SIZE 1
-#define CONFIG_SYS_NS16550_CLK 1843200
-#define CONFIG_BAUDRATE 9600
-#define CONFIG_SYS_BAUDRATE_TABLE {300, 600, 1200, 2400, 4800, \
- 9600, 19200, 38400, 115200}
-#define CONFIG_SYS_NS16550_COM1 UART0_BASE
-#define CONFIG_SYS_NS16550_COM2 UART1_BASE
-#define CONFIG_SYS_NS16550_COM3 (0x1000 + UART0_BASE)
-#define CONFIG_SYS_NS16550_COM4 (0x1000 + UART1_BASE)
-#define CONFIG_SYS_NS16550_PORT_MAPPED
-
-/*-----------------------------------------------------------------------
- * Video Configuration
- */
-#undef CONFIG_VIDEO
-#undef CONFIG_CFB_CONSOLE
-
-/*-----------------------------------------------------------------------
- * Command line configuration.
- */
-#include <config_cmd_default.h>
-
-#define CONFIG_CMD_BDI
-#define CONFIG_CMD_BOOTD
-#define CONFIG_CMD_CONSOLE
-#define CONFIG_CMD_DATE
-#define CONFIG_CMD_ECHO
-#define CONFIG_CMD_FLASH
-#define CONFIG_CMD_FPGA
-#define CONFIG_CMD_IMI
-#define CONFIG_CMD_IMLS
-#define CONFIG_CMD_IRQ
-#define CONFIG_CMD_ITEST
-#define CONFIG_CMD_LOADB
-#define CONFIG_CMD_LOADS
-#define CONFIG_CMD_MEMORY
-#define CONFIG_CMD_MISC
-#define CONFIG_CMD_NET
-#undef CONFIG_CMD_NFS
-#define CONFIG_CMD_PCI
-#define CONFIG_CMD_PING
-#define CONFIG_CMD_RUN
-#define CONFIG_CMD_SAVEENV
-#define CONFIG_CMD_SETGETDCR
-#define CONFIG_CMD_SOURCE
-#define CONFIG_CMD_XIMG
-#define CONFIG_CMD_ZBOOT
-
-#define CONFIG_BOOTDELAY 15
-#define CONFIG_BOOTARGS "root=/dev/mtdblock0 console=ttyS0,9600"
-
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_KGDB_BAUDRATE 115200
-#define CONFIG_KGDB_SER_INDEX 2
-#endif
-
-/*
- * Miscellaneous configurable options
- */
-#define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_PROMPT "boot > "
-#define CONFIG_SYS_CBSIZE 256
-#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
- sizeof(CONFIG_SYS_PROMPT) + \
- 16)
-#define CONFIG_SYS_MAXARGS 16
-#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
-
-#define CONFIG_SYS_MEMTEST_START 0x00100000
-#define CONFIG_SYS_MEMTEST_END 0x01000000
-#define CONFIG_SYS_LOAD_ADDR 0x100000
-#define CONFIG_SYS_HZ 1000
-
-/*-----------------------------------------------------------------------
- * SDRAM Configuration
- */
-#define CONFIG_SYS_SDRAM_DRCTMCTL 0x18
-#define CONFIG_SYS_SDRAM_REFRESH_RATE 156
-#define CONFIG_NR_DRAM_BANKS 4
-
-/* CONFIG_SYS_SDRAM_DRCTMCTL Overrides the following*/
-#undef CONFIG_SYS_SDRAM_PRECHARGE_DELAY
-#undef CONFIG_SYS_SDRAM_RAS_CAS_DELAY
-#undef CONFIG_SYS_SDRAM_CAS_LATENCY_2T
-#undef CONFIG_SYS_SDRAM_CAS_LATENCY_3T
-
-/*-----------------------------------------------------------------------
- * CPU Features
- */
-#define CONFIG_SYS_SC520_HIGH_SPEED 0
-#define CONFIG_SYS_SC520_RESET
-#define CONFIG_SYS_SC520_TIMER
-#undef CONFIG_SYS_GENERIC_TIMER
-#define CONFIG_SYS_PCAT_INTERRUPTS
-#define CONFIG_SYS_NUM_IRQS 16
-#define CONFIG_SYS_PC_BIOS
-#define CONFIG_SYS_PCI_BIOS
-#define CONFIG_SYS_X86_REALMODE
-#define CONFIG_SYS_X86_ISR_TIMER
-
-/*-----------------------------------------------------------------------
- * Memory organization:
- * 32kB Stack
- * 16kB Cache-As-RAM @ 0x19200000
- * 256kB Monitor
- * (128kB + Environment Sector Size) malloc pool
- */
-#define CONFIG_SYS_STACK_SIZE (32 * 1024)
-#define CONFIG_SYS_CAR_ADDR 0x19200000
-#define CONFIG_SYS_CAR_SIZE (16 * 1024)
-#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
-#define CONFIG_SYS_MONITOR_LEN (256 * 1024)
-#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SECT_SIZE + \
- 128*1024)
-/* allow to overwrite serial and ethaddr */
-#define CONFIG_ENV_OVERWRITE
-
-/*-----------------------------------------------------------------------
- * FLASH configuration
- * 512kB Boot Flash @ 0x38000000 (Monitor @ 38040000)
- * 16MB StrataFlash #1 @ 0x10000000
- * 16MB StrataFlash #2 @ 0x11000000
- */
-#define CONFIG_FLASH_CFI_DRIVER
-#define CONFIG_FLASH_CFI_LEGACY
-#define CONFIG_SYS_FLASH_CFI
-#define CONFIG_SYS_MAX_FLASH_BANKS 3
-#define CONFIG_SYS_FLASH_BASE 0x38000000
-#define CONFIG_SYS_FLASH_BASE_1 0x10000000
-#define CONFIG_SYS_FLASH_BASE_2 0x11000000
-#define CONFIG_SYS_FLASH_BANKS_LIST {CONFIG_SYS_FLASH_BASE, \
- CONFIG_SYS_FLASH_BASE_1, \
- CONFIG_SYS_FLASH_BASE_2}
-#define CONFIG_SYS_FLASH_EMPTY_INFO
-#undef CONFIG_SYS_FLASH_USE_BUFFER_WRITE
-#define CONFIG_SYS_MAX_FLASH_SECT 128
-#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT
-#define CONFIG_SYS_FLASH_LEGACY_512Kx8
-#define CONFIG_SYS_FLASH_ERASE_TOUT 2000 /* ms */
-#define CONFIG_SYS_FLASH_WRITE_TOUT 2000 /* ms */
-
-/*-----------------------------------------------------------------------
- * Environment configuration
- * - Boot flash is 512kB with 64kB sectors
- * - StrataFlash is 32MB with 128kB sectors
- * - Redundant embedded environment is 25% of the Boot flash
- * - Redundant StrataFlash environment is <1% of the StrataFlash
- * - Environment is therefore located in StrataFlash
- * - Primary copy is located in first sector of first flash
- * - Redundant copy is located in second sector of first flash
- * - Stack is only 32kB, so environment size is limited to 4kB
- */
-#define CONFIG_ENV_IS_IN_FLASH
-#define CONFIG_ENV_SECT_SIZE 0x20000
-#define CONFIG_ENV_SIZE 0x01000
-#define CONFIG_ENV_ADDR CONFIG_SYS_FLASH_BASE_1
-#define CONFIG_ENV_ADDR_REDUND (CONFIG_SYS_FLASH_BASE_1 + \
- CONFIG_ENV_SECT_SIZE)
-#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
-
-/*-----------------------------------------------------------------------
- * PCI configuration
- */
-#define CONFIG_PCI
-#define CONFIG_PCI_PNP
-#define CONFIG_SYS_FIRST_PCI_IRQ 10
-#define CONFIG_SYS_SECOND_PCI_IRQ 9
-#define CONFIG_SYS_THIRD_PCI_IRQ 11
-#define CONFIG_SYS_FORTH_PCI_IRQ 15
-
-/*-----------------------------------------------------------------------
- * Network device (TRL8100B) support
- */
-#define CONFIG_RTL8139
-
-/*-----------------------------------------------------------------------
- * BOOTCS Control (for AM29LV040B-120JC)
- *
- * 000 0 00 0 000 11 0 011 }- 0x0033
- * \ / | \| | \ / \| | \ /
- * | | | | | | | |
- * | | | | | | | +---- 3 Wait States (First Access)
- * | | | | | | +------- Reserved
- * | | | | | +--------- 3 Wait States (Subsequent Access)
- * | | | | +------------- Reserved
- * | | | +---------------- Non-Paged Mode
- * | | +------------------ 8 Bit Wide
- * | +--------------------- GP Bus
- * +------------------------ Reserved
- */
-#define CONFIG_SYS_SC520_BOOTCS_CTRL 0x0033
-
-/*-----------------------------------------------------------------------
- * ROMCS Control (for E28F128J3A-150 StrataFlash)
- *
- * 000 0 01 1 000 01 0 101 }- 0x0615
- * \ / | \| | \ / \| | \ /
- * | | | | | | | |
- * | | | | | | | +---- 5 Wait States (First Access)
- * | | | | | | +------- Reserved
- * | | | | | +--------- 1 Wait State (Subsequent Access)
- * | | | | +------------- Reserved
- * | | | +---------------- Paged Mode
- * | | +------------------ 16 Bit Wide
- * | +--------------------- GP Bus
- * +------------------------ Reserved
- */
-#define CONFIG_SYS_SC520_ROMCS1_CTRL 0x0615
-#define CONFIG_SYS_SC520_ROMCS2_CTRL 0x0615
-
-/*-----------------------------------------------------------------------
- * SC520 General Purpose Bus configuration
- *
- * Chip Select Offset 1 Clock Cycle
- * Chip Select Pulse Width 8 Clock Cycles
- * Chip Select Read Offset 2 Clock Cycles
- * Chip Select Read Width 6 Clock Cycles
- * Chip Select Write Offset 2 Clock Cycles
- * Chip Select Write Width 6 Clock Cycles
- * Chip Select Recovery Time 2 Clock Cycles
- *
- * Timing Diagram (from SC520 Register Set Manual - Order #22005B)
- *
- * |<-------------General Purpose Bus Cycle---------------->|
- * | |
- * ----------------------\__________________/------------------
- * |<--(GPCSOFF + 1)-->|<--(GPCSPW + 1)-->|<-(GPCSRT + 1)-> |
- *
- * ------------------------\_______________/-------------------
- * |<---(GPRDOFF + 1)--->|<-(GPRDW + 1)->|
- *
- * --------------------------\_______________/-----------------
- * |<----(GPWROFF + 1)---->|<-(GPWRW + 1)->|
- *
- * ________/-----------\_______________________________________
- * |<--->|<--------->|
- * ^ ^
- * (GPALEOFF + 1) |
- * |
- * (GPALEW + 1)
- */
-#define CONFIG_SYS_SC520_GPCSOFF 0x00
-#define CONFIG_SYS_SC520_GPCSPW 0x07
-#define CONFIG_SYS_SC520_GPRDOFF 0x01
-#define CONFIG_SYS_SC520_GPRDW 0x05
-#define CONFIG_SYS_SC520_GPWROFF 0x01
-#define CONFIG_SYS_SC520_GPWRW 0x05
-#define CONFIG_SYS_SC520_GPCSRT 0x01
-
-/*-----------------------------------------------------------------------
- * SC520 Programmable I/O configuration
- *
- * Pin Mode Dir. Description
- * ----------------------------------------------------------------------
- * PIO0 PIO Output Unused
- * PIO1 GPBHE# Output GP Bus Byte High Enable (active low)
- * PIO2 PIO Output Auxiliary power output enable
- * PIO3 GPAEN Output GP Bus Address Enable
- * PIO4 PIO Output Top Board Enable (active low)
- * PIO5 PIO Output StrataFlash 16 bit mode (low = 8 bit mode)
- * PIO6 PIO Input Data output of Power Supply ADC
- * PIO7 PIO Output Clock input to Power Supply ADC
- * PIO8 PIO Output Chip Select input of Power Supply ADC
- * PIO9 PIO Output StrataFlash 1 Reset / Power Down (active low)
- * PIO10 PIO Output StrataFlash 2 Reset / Power Down (active low)
- * PIO11 PIO Input StrataFlash 1 Status
- * PIO12 PIO Input StrataFlash 2 Status
- * PIO13 GPIRQ10# Input Can Bus / I2C IRQ (active low)
- * PIO14 PIO Input Low Input Voltage Warning (active low)
- * PIO15 PIO Output Watchdog (must toggle at least every 1.6s)
- * PIO16 PIO Input Power Fail
- * PIO17 GPIRQ6 Input Compact Flash 1 IRQ (active low)
- * PIO18 GPIRQ5 Input Compact Flash 2 IRQ (active low)
- * PIO19 GPIRQ4# Input Dual-Port RAM IRQ (active low)
- * PIO20 GPIRQ3 Input UART D IRQ
- * PIO21 GPIRQ2 Input UART C IRQ
- * PIO22 GPIRQ1 Input UART B IRQ
- * PIO23 GPIRQ0 Input UART A IRQ
- * PIO24 GPDBUFOE# Output GP Bus Data Bus Buffer Output Enable
- * PIO25 PIO Input Battery OK Indication
- * PIO26 GPMEMCS16# Input GP Bus Memory Chip-Select 16-bit access
- * PIO27 GPCS0# Output SRAM 1 Chip Select
- * PIO28 PIO Input Top Board UART CTS
- * PIO29 PIO Output FPGA Program Mode (active low)
- * PIO30 PIO Input FPGA Initialised (active low)
- * PIO31 PIO Input FPGA Done (active low)
- */
-#define CONFIG_SYS_SC520_PIOPFS15_0 0x200a
-#define CONFIG_SYS_SC520_PIOPFS31_16 0x0dfe
-#define CONFIG_SYS_SC520_PIODIR15_0 0x87bf
-#define CONFIG_SYS_SC520_PIODIR31_16 0x2900
-
-/*-----------------------------------------------------------------------
- * PIO Pin defines
- */
-#define CONFIG_SYS_ENET_AUX_PWR 0x0004
-#define CONFIG_SYS_ENET_TOP_BRD_PWR 0x0010
-#define CONFIG_SYS_ENET_SF_WIDTH 0x0020
-#define CONFIG_SYS_ENET_PWR_ADC_DATA 0x0040
-#define CONFIG_SYS_ENET_PWR_ADC_CLK 0x0080
-#define CONFIG_SYS_ENET_PWR_ADC_CS 0x0100
-#define CONFIG_SYS_ENET_SF1_MODE 0x0200
-#define CONFIG_SYS_ENET_SF2_MODE 0x0400
-#define CONFIG_SYS_ENET_SF1_STATUS 0x0800
-#define CONFIG_SYS_ENET_SF2_STATUS 0x1000
-#define CONFIG_SYS_ENET_PWR_STATUS 0x4000
-#define CONFIG_SYS_ENET_WATCHDOG 0x8000
-
-#define CONFIG_SYS_ENET_PWR_FAIL 0x0001
-#define CONFIG_SYS_ENET_BAT_OK 0x0200
-#define CONFIG_SYS_ENET_TOP_BRD_CTS 0x1000
-#define CONFIG_SYS_ENET_FPGA_PROG 0x2000
-#define CONFIG_SYS_ENET_FPGA_INIT 0x4000
-#define CONFIG_SYS_ENET_FPGA_DONE 0x8000
-
-/*-----------------------------------------------------------------------
- * Chip Select Pin Function Select
- *
- * 1 1 1 1 1 0 0 0 }- 0xf8
- * | | | | | | | |
- * | | | | | | | +--- Reserved
- * | | | | | | +----- GPCS1_SEL = ROMCS1#
- * | | | | | +------- GPCS2_SEL = ROMCS2#
- * | | | | +--------- GPCS3_SEL = GPCS3
- * | | | +----------- GPCS4_SEL = GPCS4
- * | | +------------- GPCS5_SEL = GPCS5
- * | +--------------- GPCS6_SEL = GPCS6
- * +----------------- GPCS7_SEL = GPCS7
- */
-#define CONFIG_SYS_SC520_CSPFS 0xf8
-
-/*-----------------------------------------------------------------------
- * Clock Select (CLKTIMER[CLKTEST] pin)
- *
- * 0 111 00 1 0 }- 0x72
- * | \ / \| | |
- * | | | | +--- Pin Disabled
- * | | | +----- Pin is an output
- * | | +------- Reserved
- * | +----------- Disabled (pin stays Low)
- * +-------------- Reserved
- */
-#define CONFIG_SYS_SC520_CLKSEL 0x72
-
-/*-----------------------------------------------------------------------
- * Address Decode Control
- *
- * 0 00 0 0 0 0 0 }- 0x00
- * | \| | | | | |
- * | | | | | | +--- Integrated UART 1 is enabled
- * | | | | | +----- Integrated UART 2 is enabled
- * | | | | +------- Integrated RTC is enabled
- * | | | +--------- Reserved
- * | | +----------- I/O Hole accesses are forwarded to the external GP bus
- * | +------------- Reserved
- * +---------------- Write-protect violations do not generate an IRQ
- */
-#define CONFIG_SYS_SC520_ADDDECCTL 0x00
-
-/*-----------------------------------------------------------------------
- * UART Control
- *
- * 00000 1 1 1 }- 0x07
- * \___/ | | |
- * | | | +--- Transmit TC interrupt enable
- * | | +----- Receive TC interrupt enable
- * | +------- 1.8432 MHz
- * +----------- Reserved
- */
-#define CONFIG_SYS_SC520_UART1CTL 0x07
-#define CONFIG_SYS_SC520_UART2CTL 0x07
-
-/*-----------------------------------------------------------------------
- * System Arbiter Control
- *
- * 00000 1 1 0 }- 0x06
- * \___/ | | |
- * | | | +--- Disable PCI Bus Arbiter Grant Time-Out Interrupt
- * | | +----- The system arbiter operates in concurrent mode
- * | +------- Park the PCI bus on the last master that acquired the bus
- * +----------- Reserved
- */
-#define CONFIG_SYS_SC520_SYSARBCTL 0x06
-
-/*-----------------------------------------------------------------------
- * System Arbiter Master Enable
- *
- * 00000000000 0 0 0 1 1 }- 0x06
- * \_________/ | | | | |
- * | | | | | +--- PCI master REQ0 enabled (Ethernet 1)
- * | | | | +----- PCI master REQ1 enabled (Ethernet 2)
- * | | | +------- PCI master REQ2 disabled
- * | | +--------- PCI master REQ3 disabled
- * | +----------- PCI master REQ4 disabled
- * +------------------ Reserved
- */
-#define CONFIG_SYS_SC520_SYSARBMENB 0x0003
-
-/*-----------------------------------------------------------------------
- * System Arbiter Master Enable
- *
- * 0 0000 0 00 0000 1 000 }- 0x06
- * | \__/ | \| \__/ | \_/
- * | | | | | | +---- Reserved
- * | | | | | +------- Enable CPU-to-PCI bus write posting
- * | | | | +---------- Reserved
- * | | | +-------------- PCI bus reads to SDRAM are not automatically
- * | | | retried
- * | | +----------------- Target read FIFOs are not snooped during write
- * | | transactions
- * | +-------------------- Reserved
- * +------------------------ Deassert the PCI bus reset signal
- */
-#define CONFIG_SYS_SC520_HBCTL 0x08
-
-/*-----------------------------------------------------------------------
- * PAR for Boot Flash - 512kB @ 0x38000000, BOOTCS
- * 100 0 1 0 1 00000000111 11100000000000 }- 0x8a01f800
- * \ / | | | | \----+----/ \-----+------/
- * | | | | | | +---------- Start at 0x38000000
- * | | | | | +----------------------- 512kB Region Size
- * | | | | | ((7 + 1) * 64kB)
- * | | | | +------------------------------ 64kB Page Size
- * | | | +-------------------------------- Writes Enabled (So it can be
- * | | | reprogrammed!)
- * | | +---------------------------------- Caching Disabled
- * | +------------------------------------ Execution Enabled
- * +--------------------------------------- BOOTCS
- */
-#define CONFIG_SYS_SC520_BOOTCS_PAR 0x8a01f800
-
-/*-----------------------------------------------------------------------
- * Cache-As-RAM (Targets Boot Flash)
- *
- * 100 1 0 0 0 0001111 011001001000000000 }- 0x903d9200
- * \ / | | | | \--+--/ \-------+--------/
- * | | | | | | +------------ Start at 0x19200000
- * | | | | | +------------------------- 64k Region Size
- * | | | | | ((15 + 1) * 4kB)
- * | | | | +------------------------------ 4kB Page Size
- * | | | +-------------------------------- Writes Enabled
- * | | +---------------------------------- Caching Enabled
- * | +------------------------------------ Execution Prevented
- * +--------------------------------------- BOOTCS
- */
-#define CONFIG_SYS_SC520_CAR_PAR 0x903d9200
-
-/*-----------------------------------------------------------------------
- * PAR for Low Level I/O (LEDs, Hex Switches etc) - 33 Bytes @ 0x1000, GPCS6
- *
- * 001 110 0 000100000 0001000000000000 }- 0x38201000
- * \ / \ / | \---+---/ \------+-------/
- * | | | | +----------- Start at 0x00001000
- * | | | +------------------------ 33 Bytes (0x20 + 1)
- * | | +------------------------------ Ignored
- * | +--------------------------------- GPCS6
- * +------------------------------------- GP Bus I/O
- */
-#define CONFIG_SYS_SC520_LLIO_PAR 0x38201000
-
-/*-----------------------------------------------------------------------
- * PAR for Compact Flash Port #1 - 4kB @ 0x200000000, CS5
- * PAR for Compact Flash Port #2 - 4kB @ 0x200010000, CS7
- *
- * 010 101 0 0000000 100000000000000000 }- 0x54020000
- * 010 111 0 0000000 100000000000000001 }- 0x5c020001
- * \ / \ / | \--+--/ \-------+--------/
- * | | | | +------------ Start at 0x200000000
- * | | | | 0x200010000
- * | | | +------------------------- 4kB Region Size
- * | | | ((0 + 1) * 4kB)
- * | | +------------------------------ 4k Page Size
- * | +--------------------------------- GPCS5
- * | GPCS7
- * +------------------------------------- GP Bus Memory
- */
-#define CONFIG_SYS_SC520_CF1_PAR 0x54020000
-#define CONFIG_SYS_SC520_CF2_PAR 0x5c020001
-
-/*-----------------------------------------------------------------------
- * PAR for Extra 16550 UART A - 8 bytes @ 0x013f8, GPCS0
- * PAR for Extra 16550 UART B - 8 bytes @ 0x012f8, GPCS3
- * PAR for Extra 16550 UART C - 8 bytes @ 0x011f8, GPCS4
- * PAR for Extra 16550 UART D - 8 bytes @ 0x010f8, GPCS5
- *
- * 001 000 0 000000111 0001001111111000 }- 0x200713f8
- * 001 011 0 000000111 0001001011111000 }- 0x2c0712f8
- * 001 011 0 000000111 0001001011111000 }- 0x300711f8
- * 001 011 0 000000111 0001001011111000 }- 0x340710f8
- * \ / \ / | \---+---/ \------+-------/
- * | | | | +----------- Start at 0x013f8
- * | | | | 0x012f8
- * | | | | 0x011f8
- * | | | | 0x010f8
- * | | | +------------------------ 33 Bytes (32 + 1)
- * | | +------------------------------ Ignored
- * | +--------------------------------- GPCS6
- * +------------------------------------- GP Bus I/O
- */
-#define CONFIG_SYS_SC520_UARTA_PAR 0x200713f8
-#define CONFIG_SYS_SC520_UARTB_PAR 0x2c0712f8
-#define CONFIG_SYS_SC520_UARTC_PAR 0x300711f8
-#define CONFIG_SYS_SC520_UARTD_PAR 0x340710f8
-
-/*-----------------------------------------------------------------------
- * PAR for StrataFlash #1 - 16MB @ 0x10000000, ROMCS1
- * PAR for StrataFlash #2 - 16MB @ 0x11000000, ROMCS2
- *
- * 101 0 1 0 1 00011111111 01000000000000 }- 0xaa3fd000
- * 110 0 1 0 1 00011111111 01000100000000 }- 0xca3fd100
- * \ / | | | | \----+----/ \-----+------/
- * | | | | | | +---------- Start at 0x10000000
- * | | | | | | 0x11000000
- * | | | | | +----------------------- 16MB Region Size
- * | | | | | ((255 + 1) * 64kB)
- * | | | | +------------------------------ 64kB Page Size
- * | | | +-------------------------------- Writes Enabled
- * | | +---------------------------------- Caching Disabled
- * | +------------------------------------ Execution Enabled
- * +--------------------------------------- ROMCS1
- * ROMCS2
- */
-#define CONFIG_SYS_SC520_SF1_PAR 0xaa3fd000
-#define CONFIG_SYS_SC520_SF2_PAR 0xca3fd100
-
-/*-----------------------------------------------------------------------
- * PAR for SRAM #1 - 1MB @ 0x19000000, GPCS0
- * PAR for SRAM #2 - 1MB @ 0x19100000, GPCS3
- *
- * 010 000 1 00000001111 01100100000000 }- 0x4203d900
- * 010 011 1 00000001111 01100100010000 }- 0x4e03d910
- * \ / \ / | \----+----/ \-----+------/
- * | | | | +---------- Start at 0x19000000
- * | | | | 0x19100000
- * | | | +----------------------- 1MB Region Size
- * | | | ((15 + 1) * 64kB)
- * | | +------------------------------ 64kB Page Size
- * | +--------------------------------- GPCS0
- * | GPCS3
- * +------------------------------------- GP Bus Memory
- */
-#define CONFIG_SYS_SC520_SRAM1_PAR 0x4203d900
-#define CONFIG_SYS_SC520_SRAM2_PAR 0x4e03d910
-
-/*-----------------------------------------------------------------------
- * PAR for Dual-Port RAM - 4kB @ 0x18100000, GPCS4
- *
- * 010 100 0 00000000 11000000100000000 }- 0x50018100
- * \ / \ / | \---+--/ \-------+-------/
- * | | | | +----------- Start at 0x18100000
- * | | | +------------------------ 4kB Region Size
- * | | | ((0 + 1) * 4kB)
- * | | +------------------------------ 4kB Page Size
- * | +--------------------------------- GPCS4
- * +------------------------------------- GP Bus Memory
- */
-#define CONFIG_SYS_SC520_DPRAM_PAR 0x50018100
-
-#endif /* __CONFIG_H */
projects / kernel / u-boot.git / commitdiff