## Coldfire
#########################################################################
-M52277EVB_config: unconfig
+M52277EVB_config \
+M52277EVB_spansion_config \
+M52277EVB_stmicro_config : unconfig
+ @case "$@" in \
+ M52277EVB_config) FLASH=SPANSION;; \
+ M52277EVB_spansion_config) FLASH=SPANSION;; \
+ M52277EVB_stmicro_config) FLASH=STMICRO;; \
+ esac; \
+ if [ "$${FLASH}" = "SPANSION" ] ; then \
+ echo "#define CONFIG_SYS_SPANSION_BOOT" >> $(obj)include/config.h ; \
+ echo "TEXT_BASE = 0x00000000" > $(obj)board/freescale/m52277evb/config.tmp ; \
+ cp $(obj)board/freescale/m52277evb/u-boot.spa $(obj)board/freescale/m52277evb/u-boot.lds ; \
+ $(XECHO) "... with SPANSION boot..." ; \
+ fi; \
+ if [ "$${FLASH}" = "STMICRO" ] ; then \
+ echo "#define CONFIG_CF_SBF" >> $(obj)include/config.h ; \
+ echo "#define CONFIG_SYS_STMICRO_BOOT" >> $(obj)include/config.h ; \
+ echo "TEXT_BASE = 0x43E00000" > $(obj)board/freescale/m52277evb/config.tmp ; \
+ cp $(obj)board/freescale/m52277evb/u-boot.stm $(obj)board/freescale/m52277evb/u-boot.lds ; \
+ $(XECHO) "... with ST Micro boot..." ; \
+ fi
@$(MKCONFIG) -a M52277EVB m68k mcf5227x m52277evb freescale
M5235EVB_config \
# MA 02111-1307 USA
#
-TEXT_BASE = 0
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE)
phys_size_t initdram(int board_type)
{
+ u32 dramsize;
+
+#ifdef CONFIG_CF_SBF
+ /*
+ * Serial Boot: The dram is already initialized in start.S
+ * only require to return DRAM size
+ */
+ dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000;
+#else
volatile sdramc_t *sdram = (volatile sdramc_t *)(MMAP_SDRAM);
- u32 dramsize, i;
+ volatile gpio_t *gpio = (volatile gpio_t *)(MMAP_GPIO);
+ u32 i;
dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000;
}
i--;
+ gpio->mscr_sdram = CONFIG_SYS_SDRAM_DRV_STRENGTH;
+
sdram->sdcs0 = (CONFIG_SYS_SDRAM_BASE | i);
sdram->sdcfg1 = CONFIG_SYS_SDRAM_CFG1;
/* Issue PALL */
sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 2;
+ __asm__("nop");
/* Issue LEMR */
- /*sdram->sdmr = CONFIG_SYS_SDRAM_EMOD; */
sdram->sdmr = CONFIG_SYS_SDRAM_MODE;
+ __asm__("nop");
+ sdram->sdmr = CONFIG_SYS_SDRAM_EMOD;
+ __asm__("nop");
udelay(1000);
/* Issue PALL */
sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 2;
+ __asm__("nop");
/* Perform two refresh cycles */
sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 4;
+ __asm__("nop");
sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 4;
+ __asm__("nop");
- sdram->sdcr = (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000c00;
+ sdram->sdcr = (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000C00;
udelay(100);
-
+#endif
return (dramsize);
};
--- /dev/null
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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
+ */
+
+OUTPUT_ARCH(m68k)
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+ cpu/mcf5227x/start.o (.text)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+
+ .reloc :
+ {
+ __got_start = .;
+ *(.got)
+ __got_end = .;
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+
+ . = .;
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ _sbss = .;
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ . = ALIGN(4);
+ _ebss = .;
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
LIB = lib$(CPU).a
START = start.o
-COBJS = cpu.o speed.o cpu_init.o interrupts.o
+COBJS = cpu.o speed.o cpu_init.o interrupts.o dspi.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
volatile pll_t *pll = (volatile pll_t *)MMAP_PLL;
+#if !defined(CONFIG_CF_SBF)
/* Workaround, must place before fbcs */
pll->psr = 0x12;
scm1->pacrg = 0;
scm1->pacri = 0;
-#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL))
+#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \
+ && defined(CONFIG_SYS_CS0_CTRL))
fbcs->csar0 = CONFIG_SYS_CS0_BASE;
fbcs->cscr0 = CONFIG_SYS_CS0_CTRL;
fbcs->csmr0 = CONFIG_SYS_CS0_MASK;
#endif
+#endif /* CONFIG_CF_SBF */
-#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL))
+#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \
+ && defined(CONFIG_SYS_CS1_CTRL))
fbcs->csar1 = CONFIG_SYS_CS1_BASE;
fbcs->cscr1 = CONFIG_SYS_CS1_CTRL;
fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
#endif
-#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL))
+#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \
+ && defined(CONFIG_SYS_CS2_CTRL))
fbcs->csar2 = CONFIG_SYS_CS2_BASE;
fbcs->cscr2 = CONFIG_SYS_CS2_CTRL;
fbcs->csmr2 = CONFIG_SYS_CS2_MASK;
#endif
-#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL))
+#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \
+ && defined(CONFIG_SYS_CS3_CTRL))
fbcs->csar3 = CONFIG_SYS_CS3_BASE;
fbcs->cscr3 = CONFIG_SYS_CS3_CTRL;
fbcs->csmr3 = CONFIG_SYS_CS3_MASK;
#endif
-#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL))
+#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \
+ && defined(CONFIG_SYS_CS4_CTRL))
fbcs->csar4 = CONFIG_SYS_CS4_BASE;
fbcs->cscr4 = CONFIG_SYS_CS4_CTRL;
fbcs->csmr4 = CONFIG_SYS_CS4_MASK;
#endif
-#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL))
+#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \
+ && defined(CONFIG_SYS_CS5_CTRL))
fbcs->csar5 = CONFIG_SYS_CS5_BASE;
fbcs->cscr5 = CONFIG_SYS_CS5_CTRL;
fbcs->csmr5 = CONFIG_SYS_CS5_MASK;
--- /dev/null
+/*
+ *
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.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 <spi.h>
+#include <malloc.h>
+
+#if defined(CONFIG_CF_DSPI)
+#include <asm/immap.h>
+
+void dspi_init(void)
+{
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
+
+ gpio->par_dspi =
+ GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT |
+ GPIO_PAR_DSPI_SCK_SCK;
+
+ dspi->dmcr = DSPI_DMCR_MSTR | DSPI_DMCR_CSIS7 | DSPI_DMCR_CSIS6 |
+ DSPI_DMCR_CSIS5 | DSPI_DMCR_CSIS4 | DSPI_DMCR_CSIS3 |
+ DSPI_DMCR_CSIS2 | DSPI_DMCR_CSIS1 | DSPI_DMCR_CSIS0 |
+ DSPI_DMCR_CRXF | DSPI_DMCR_CTXF;
+
+#ifdef CONFIG_SYS_DSPI_DCTAR0
+ dspi->dctar0 = CONFIG_SYS_DSPI_DCTAR0;
+#endif
+#ifdef CONFIG_SYS_DSPI_DCTAR1
+ dspi->dctar1 = CONFIG_SYS_DSPI_DCTAR1;
+#endif
+#ifdef CONFIG_SYS_DSPI_DCTAR2
+ dspi->dctar2 = CONFIG_SYS_DSPI_DCTAR2;
+#endif
+#ifdef CONFIG_SYS_DSPI_DCTAR3
+ dspi->dctar3 = CONFIG_SYS_DSPI_DCTAR3;
+#endif
+#ifdef CONFIG_SYS_DSPI_DCTAR4
+ dspi->dctar4 = CONFIG_SYS_DSPI_DCTAR4;
+#endif
+#ifdef CONFIG_SYS_DSPI_DCTAR5
+ dspi->dctar5 = CONFIG_SYS_DSPI_DCTAR5;
+#endif
+#ifdef CONFIG_SYS_DSPI_DCTAR6
+ dspi->dctar6 = CONFIG_SYS_DSPI_DCTAR6;
+#endif
+#ifdef CONFIG_SYS_DSPI_DCTAR7
+ dspi->dctar7 = CONFIG_SYS_DSPI_DCTAR7;
+#endif
+}
+
+void dspi_tx(int chipsel, u8 attrib, u16 data)
+{
+ volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
+
+ while ((dspi->dsr & 0x0000F000) >= 4) ;
+
+ dspi->dtfr = (attrib << 24) | ((1 << chipsel) << 16) | data;
+}
+
+u16 dspi_rx(void)
+{
+ volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
+
+ while ((dspi->dsr & 0x000000F0) == 0) ;
+
+ return (dspi->drfr & 0xFFFF);
+}
+
+#if defined(CONFIG_CMD_SPI)
+void spi_init_f(void)
+{
+}
+
+void spi_init_r(void)
+{
+}
+
+void spi_init(void)
+{
+ dspi_init();
+}
+
+struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
+ unsigned int max_hz, unsigned int mode)
+{
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ struct spi_slave *slave;
+
+ slave = malloc(sizeof(struct spi_slave));
+ if (!slave)
+ return NULL;
+
+ switch (cs) {
+ case 0:
+ gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0;
+ gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0;
+ break;
+ case 2:
+ gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK;
+ gpio->par_timer |= GPIO_PAR_TIMER_T2IN_DSPIPCS2;
+ break;
+ }
+
+ slave->bus = bus;
+ slave->cs = cs;
+
+ return slave;
+}
+
+void spi_free_slave(struct spi_slave *slave)
+{
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+ switch (slave->cs) {
+ case 0:
+ gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0;
+ break;
+ case 2:
+ gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK;
+ break;
+ }
+
+ free(slave);
+}
+
+int spi_claim_bus(struct spi_slave *slave)
+{
+ return 0;
+}
+
+void spi_release_bus(struct spi_slave *slave)
+{
+}
+
+int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
+ void *din, unsigned long flags)
+{
+ static int bWrite = 0;
+ u8 *spi_rd, *spi_wr;
+ int len = bitlen >> 3;
+
+ spi_rd = (u8 *) din;
+ spi_wr = (u8 *) dout;
+
+ /* command handling */
+ if (((len == 4) || (len == 1) || (len == 5)) && (dout != NULL)) {
+ switch (*spi_wr) {
+ case 0x02: /* Page Prog */
+ bWrite = 1;
+ dspi_tx(slave->cs, 0x80, spi_wr[0]);
+ dspi_rx();
+ dspi_tx(slave->cs, 0x80, spi_wr[1]);
+ dspi_rx();
+ dspi_tx(slave->cs, 0x80, spi_wr[2]);
+ dspi_rx();
+ dspi_tx(slave->cs, 0x80, spi_wr[3]);
+ dspi_rx();
+ return 0;
+ case 0x05: /* Read Status */
+ if (len == 4)
+ if ((spi_wr[1] == 0xFF) && (spi_wr[2] == 0xFF)
+ && (spi_wr[3] == 0xFF)) {
+ dspi_tx(slave->cs, 0x80, *spi_wr);
+ dspi_rx();
+ }
+ return 0;
+ case 0x06: /* WREN */
+ dspi_tx(slave->cs, 0x00, *spi_wr);
+ dspi_rx();
+ return 0;
+ case 0x0B: /* Fast read */
+ if ((len == 5) && (spi_wr[4] == 0)) {
+ dspi_tx(slave->cs, 0x80, spi_wr[0]);
+ dspi_rx();
+ dspi_tx(slave->cs, 0x80, spi_wr[1]);
+ dspi_rx();
+ dspi_tx(slave->cs, 0x80, spi_wr[2]);
+ dspi_rx();
+ dspi_tx(slave->cs, 0x80, spi_wr[3]);
+ dspi_rx();
+ dspi_tx(slave->cs, 0x80, spi_wr[4]);
+ dspi_rx();
+ }
+ return 0;
+ case 0x9F: /* RDID */
+ dspi_tx(slave->cs, 0x80, *spi_wr);
+ dspi_rx();
+ return 0;
+ case 0xD8: /* Sector erase */
+ if (len == 4)
+ if ((spi_wr[2] == 0) && (spi_wr[3] == 0)) {
+ dspi_tx(slave->cs, 0x80, spi_wr[0]);
+ dspi_rx();
+ dspi_tx(slave->cs, 0x80, spi_wr[1]);
+ dspi_rx();
+ dspi_tx(slave->cs, 0x80, spi_wr[2]);
+ dspi_rx();
+ dspi_tx(slave->cs, 0x00, spi_wr[3]);
+ dspi_rx();
+ }
+ return 0;
+ }
+ }
+
+ if (bWrite)
+ len--;
+
+ while (len--) {
+ if (dout != NULL) {
+ dspi_tx(slave->cs, 0x80, *spi_wr);
+ dspi_rx();
+ spi_wr++;
+ }
+
+ if (din != NULL) {
+ dspi_tx(slave->cs, 0x80, 0);
+ *spi_rd = dspi_rx();
+ spi_rd++;
+ }
+ }
+
+ if (flags == SPI_XFER_END) {
+ if (bWrite) {
+ dspi_tx(slave->cs, 0x00, *spi_wr);
+ dspi_rx();
+ bWrite = 0;
+ } else {
+ dspi_tx(slave->cs, 0x00, 0);
+ dspi_rx();
+ }
+ }
+
+ return 0;
+}
+#endif /* CONFIG_CMD_SPI */
+
+#endif /* CONFIG_CF_DSPI */
int vco, temp, pcrvalue, pfdr;
u8 bootmode;
- bootmode = (ccm->ccr & 0x000C) >> 2;
-
pcrvalue = pll->pcr & 0xFF0F0FFF;
pfdr = pcrvalue >> 24;
- if (pfdr != 0x1E) {
+ if (pfdr == 0x1E)
+ bootmode = 0; /* Normal Mode */
+
+#ifdef CONFIG_CF_SBF
+ bootmode = 3; /* Serial Mode */
+#endif
+
+ if (bootmode == 0) {
+ /* Normal mode */
+ vco = ((pll->pcr & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC;
+ if ((vco < CLOCK_PLL_FVCO_MIN) || (vco > CLOCK_PLL_FVCO_MAX)) {
+ /* Default value */
+ pcrvalue = (pll->pcr & 0x00FFFFFF);
+ pcrvalue |= 0x1E << 24;
+ pll->pcr = pcrvalue;
+ vco =
+ ((pll->pcr & 0xFF000000) >> 24) *
+ CONFIG_SYS_INPUT_CLKSRC;
+ }
+ gd->vco_clk = vco; /* Vco clock */
+ } else if (bootmode == 3) {
/* serial mode */
- } else {
- /* Normal Mode */
- vco = pfdr * CONFIG_SYS_INPUT_CLKSRC;
- gd->vco_clk = vco;
+ vco = ((pll->pcr & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC;
+ gd->vco_clk = vco; /* Vco clock */
}
if ((ccm->ccr & CCM_MISCCR_LIMP) == CCM_MISCCR_LIMP) {
addl #60,%sp; /* space for 15 regs */ \
rte;
+#if defined(CONFIG_CF_SBF)
+#define ASM_DRAMINIT (asm_dram_init - TEXT_BASE + CONFIG_SYS_INIT_RAM_ADDR)
+#define ASM_SBF_IMG_HDR (asm_sbf_img_hdr - TEXT_BASE + CONFIG_SYS_INIT_RAM_ADDR)
+#endif
+
.text
/*
* Vector table. This is used for initial platform startup.
*/
_vectors:
-INITSP: .long 0x00000000 /* Initial SP */
-INITPC: .long _START /* Initial PC */
+#if defined(CONFIG_CF_SBF)
+INITSP: .long 0 /* Initial SP */
+INITPC: .long ASM_DRAMINIT /* Initial PC */
+#else
+INITSP: .long 0 /* Initial SP */
+INITPC: .long _START /* Initial PC */
+#endif
+
vector02: .long _FAULT /* Access Error */
vector03: .long _FAULT /* Address Error */
vector04: .long _FAULT /* Illegal Instruction */
vector1E: .long _FAULT /* Autovector Level 6 */
vector1F: .long _FAULT /* Autovector Level 7 */
+#if !defined(CONFIG_CF_SBF)
/* TRAP #0 - #15 */
vector20_2F:
.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+#endif
- .text
+#if defined(CONFIG_CF_SBF)
+ /* Image header: chksum 4 bytes, len 4 bytes, img dest 4 bytes */
+asm_sbf_img_hdr:
+ .long 0x00000000 /* checksum, not yet implemented */
+ .long 0x00020000 /* image length */
+ .long TEXT_BASE /* image to be relocated at */
+
+asm_dram_init:
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0
+ movec %d0, %RAMBAR1 /* init Rambar */
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp
+ clr.l %sp@-
+
+ /* Must disable global address */
+ move.l #0xFC008000, %a1
+ move.l #(CONFIG_SYS_CS0_BASE), (%a1)
+ move.l #0xFC008008, %a1
+ move.l #(CONFIG_SYS_CS0_CTRL), (%a1)
+ move.l #0xFC008004, %a1
+ move.l #(CONFIG_SYS_CS0_MASK), (%a1)
+
+ /*
+ * Dram Initialization
+ * a1, a2, and d0
+ */
+ /* mscr sdram */
+ move.l #0xFC0A4074, %a1
+ move.b #(CONFIG_SYS_SDRAM_DRV_STRENGTH), (%a1)
+ nop
+
+ /* SDRAM Chip 0 and 1 */
+ move.l #0xFC0B8110, %a1
+ move.l #0xFC0B8114, %a2
+
+ /* calculate the size */
+ move.l #0x13, %d1
+ move.l #(CONFIG_SYS_SDRAM_SIZE), %d2
+#ifdef CONFIG_SYS_SDRAM_BASE1
+ lsr.l #1, %d2
+#endif
+
+dramsz_loop:
+ lsr.l #1, %d2
+ add.l #1, %d1
+ cmp.l #1, %d2
+ bne dramsz_loop
+
+ /* SDRAM Chip 0 and 1 */
+ move.l #(CONFIG_SYS_SDRAM_BASE), (%a1)
+ or.l %d1, (%a1)
+#ifdef CONFIG_SYS_SDRAM_BASE1
+ move.l #(CONFIG_SYS_SDRAM_BASE1), (%a2)
+ or.l %d1, (%a2)
+#endif
+ nop
+
+ /* dram cfg1 and cfg2 */
+ move.l #0xFC0B8008, %a1
+ move.l #(CONFIG_SYS_SDRAM_CFG1), (%a1)
+ nop
+ move.l #0xFC0B800C, %a2
+ move.l #(CONFIG_SYS_SDRAM_CFG2), (%a2)
+ nop
+ move.l #0xFC0B8000, %a1 /* Mode */
+ move.l #0xFC0B8004, %a2 /* Ctrl */
+
+ /* Issue PALL */
+ move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2)
+ nop
+
+ /* Issue LEMR */
+ move.l #(CONFIG_SYS_SDRAM_MODE), (%a1)
+ nop
+ move.l #(CONFIG_SYS_SDRAM_EMOD), (%a1)
+ nop
+
+ move.l #1000, %d0
+wait1000:
+ nop
+ subq.l #1, %d0
+ bne wait1000
+
+ /* Issue PALL */
+ move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2)
+ nop
+
+ /* Perform two refresh cycles */
+ move.l #(CONFIG_SYS_SDRAM_CTRL + 4), %d0
+ nop
+ move.l %d0, (%a2)
+ move.l %d0, (%a2)
+ nop
+
+ move.l #(CONFIG_SYS_SDRAM_CTRL), %d0
+ and.l #0x7FFFFFFF, %d0
+ or.l #0x10000c00, %d0
+ move.l %d0, (%a2)
+ nop
+
+ /*
+ * DSPI Initialization
+ * a0 - general, sram - 0x80008000 - 32, see M52277EVB.h
+ * a1 - dspi status
+ * a2 - dtfr
+ * a3 - drfr
+ * a4 - Dst addr
+ */
+
+ /* Enable pins for DSPI mode - chip-selects are enabled later */
+ move.l #0xFC0A4036, %a0
+ move.b #0x3F, %d0
+ move.b %d0, (%a0)
+
+ /* DSPI CS */
+#ifdef CONFIG_SYS_DSPI_CS0
+ move.b (%a0), %d0
+ or.l #0xC0, %d0
+ move.b %d0, (%a0)
+#endif
+#ifdef CONFIG_SYS_DSPI_CS2
+ move.l #0xFC0A4037, %a0
+ move.b (%a0), %d0
+ or.l #0x10, %d0
+ move.b %d0, (%a0)
+#endif
+ nop
+
+ /* Configure DSPI module */
+ move.l #0xFC05C000, %a0
+ move.l #0x80FF0C00, (%a0) /* Master, clear TX/RX FIFO */
+
+ move.l #0xFC05C00C, %a0
+ move.l #0x3E000011, (%a0)
+
+ move.l #0xFC05C034, %a2 /* dtfr */
+ move.l #0xFC05C03B, %a3 /* drfr */
+
+ move.l #(ASM_SBF_IMG_HDR + 4), %a1
+ move.l (%a1)+, %d5
+ move.l (%a1), %a4
+
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_SBFHDR_DATA_OFFSET), %a0
+ move.l #(CONFIG_SYS_SBFHDR_SIZE), %d4
+
+ move.l #0xFC05C02C, %a1 /* dspi status */
+
+ /* Issue commands and address */
+ move.l #0x8004000B, %d2 /* Fast Read Cmd */
+ jsr asm_dspi_wr_status
+ jsr asm_dspi_rd_status
+
+ move.l #0x80040000, %d2 /* Address byte 2 */
+ jsr asm_dspi_wr_status
+ jsr asm_dspi_rd_status
+
+ move.l #0x80040000, %d2 /* Address byte 1 */
+ jsr asm_dspi_wr_status
+ jsr asm_dspi_rd_status
+
+ move.l #0x80040000, %d2 /* Address byte 0 */
+ jsr asm_dspi_wr_status
+ jsr asm_dspi_rd_status
+
+ move.l #0x80040000, %d2 /* Dummy Wr and Rd */
+ jsr asm_dspi_wr_status
+ jsr asm_dspi_rd_status
+
+ /* Transfer serial boot header to sram */
+asm_dspi_rd_loop1:
+ move.l #0x80040000, %d2
+ jsr asm_dspi_wr_status
+ jsr asm_dspi_rd_status
+
+ move.b %d1, (%a0) /* read, copy to dst */
+
+ add.l #1, %a0 /* inc dst by 1 */
+ sub.l #1, %d4 /* dec cnt by 1 */
+ bne asm_dspi_rd_loop1
+
+ /* Transfer u-boot from serial flash to memory */
+asm_dspi_rd_loop2:
+ move.l #0x80040000, %d2
+ jsr asm_dspi_wr_status
+ jsr asm_dspi_rd_status
+
+ move.b %d1, (%a4) /* read, copy to dst */
+
+ add.l #1, %a4 /* inc dst by 1 */
+ sub.l #1, %d5 /* dec cnt by 1 */
+ bne asm_dspi_rd_loop2
+
+ move.l #0x00040000, %d2 /* Terminate */
+ jsr asm_dspi_wr_status
+ jsr asm_dspi_rd_status
+
+ /* jump to memory and execute */
+ move.l #(TEXT_BASE + 0x400), %a0
+ move.l %a0, (%a1)
+ jmp (%a0)
+
+asm_dspi_wr_status:
+ move.l (%a1), %d0 /* status */
+ and.l #0x0000F000, %d0
+ cmp.l #0x00003000, %d0
+ bgt asm_dspi_wr_status
+
+ move.l %d2, (%a2)
+ rts
+
+asm_dspi_rd_status:
+ move.l (%a1), %d0 /* status */
+ and.l #0x000000F0, %d0
+ lsr.l #4, %d0
+ cmp.l #0, %d0
+ beq asm_dspi_rd_status
+
+ move.b (%a3), %d1
+ rts
+#endif /* CONFIG_CF_SBF */
+
+ .text
+ . = 0x400
.globl _start
_start:
nop
move.w #0x2700,%sr /* Mask off Interrupt */
/* Set vector base register at the beginning of the Flash */
+#if defined(CONFIG_CF_SBF)
+ move.l #TEXT_BASE, %d0
+ movec %d0, %VBR
+#else
move.l #CONFIG_SYS_FLASH_BASE, %d0
movec %d0, %VBR
move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0
movec %d0, %RAMBAR1
+#endif
/* initialize general use internal ram */
move.l #0, %d0
/* Bit definitions and macros for PAR_DSPI */
#define GPIO_PAR_DSPI_PCS0_MASK (0x3F)
-#define GPIO_PAR_DSPI_PCS0_PCS0 (0x80)
-#define GPIO_PAR_DSPI_PCS0_U2RTS (0x40)
+#define GPIO_PAR_DSPI_PCS0_PCS0 (0xC0)
+#define GPIO_PAR_DSPI_PCS0_U2RTS (0x80)
#define GPIO_PAR_DSPI_PCS0_GPIO (0x00)
#define GPIO_PAR_DSPI_SIN_MASK (0xCF)
#define GPIO_PAR_DSPI_SIN_SIN (0x30)
#define CONFIG_MCFUART
#define CONFIG_SYS_UART_PORT (0)
-#define CONFIG_BAUDRATE 115200
+#define CONFIG_BAUDRATE 115200
#define CONFIG_SYS_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }
#undef CONFIG_WATCHDOG
#define CONFIG_CMD_REGINFO
#undef CONFIG_CMD_USB
#undef CONFIG_CMD_BMP
-
-#define CONFIG_HOSTNAME M52277EVB
+#define CONFIG_CMD_SPI
+#define CONFIG_CMD_SF
+
+#define CONFIG_HOSTNAME M52277EVB
+#define CONFIG_SYS_UBOOT_END 0x3FFFF
+#define CONFIG_SYS_LOAD_ADDR2 0x40010007
+#ifdef CONFIG_SYS_STMICRO_BOOT
+/* ST Micro serial flash */
#define CONFIG_EXTRA_ENV_SETTINGS \
"inpclk=" MK_STR(CONFIG_SYS_INPUT_CLKSRC) "\0" \
- "loadaddr=" MK_STR(CONFIG_SYS_LOAD_ADDR) "\0" \
- "u-boot=u-boot.bin\0" \
- "load=tftp ${loadaddr) ${u-boot}\0" \
+ "loadaddr=0x40010000\0" \
+ "uboot=u-boot.bin\0" \
+ "load=loadb ${loadaddr} ${baudrate};" \
+ "loadb " MK_STR(CONFIG_SYS_LOAD_ADDR2) " ${baudrate} \0" \
"upd=run load; run prog\0" \
- "prog=prot off 0 0x3ffff;" \
- "era 0 3ffff;" \
- "cp.b ${loadaddr} 0 ${filesize};" \
+ "prog=sf probe 0:2 10000 1;" \
+ "sf erase 0 30000;" \
+ "sf write ${loadaddr} 0 30000;" \
"save\0" \
""
+#endif
+#ifdef CONFIG_SYS_SPANSION_BOOT
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "inpclk=" MK_STR(CONFIG_SYS_INPUT_CLKSRC) "\0" \
+ "loadaddr=0x40010000\0" \
+ "uboot=u-boot.bin\0" \
+ "load=loadb ${loadaddr} ${baudrate}\0" \
+ "upd=run load; run prog\0" \
+ "prog=prot off " MK_STR(CONFIG_SYS_FLASH_BASE) \
+ " " MK_STR(CONFIG_SYS_UBOOT_END) ";" \
+ "era " MK_STR(CONFIG_SYS_FLASH_BASE) " " \
+ MK_STR(CONFIG_SYS_UBOOT_END) ";" \
+ "cp.b ${loadaddr} " MK_STR(CONFIG_SYS_FLASH_BASE) \
+ " ${filesize}; save\0" \
+ "updsbf=run loadsbf; run progsbf\0" \
+ "loadsbf=loadb ${loadaddr} ${baudrate};" \
+ "loadb " MK_STR(CONFIG_SYS_LOAD_ADDR2) " ${baudrate} \0" \
+ "progsbf=sf probe 0:2 10000 1;" \
+ "sf erase 0 30000;" \
+ "sf write ${loadaddr} 0 30000;" \
+ ""
+#endif
-#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
+#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
/* LCD */
#ifdef CONFIG_CMD_BMP
#define CONFIG_LCD
#define CONFIG_DOS_PARTITION
#define CONFIG_MAC_PARTITION
#define CONFIG_ISO_PARTITION
-#define CONFIG_SYS_USB_EHCI_REGS_BASE 0xFC0B0000
+#define CONFIG_SYS_USB_EHCI_REGS_BASE 0xFC0B0000
#define CONFIG_SYS_USB_EHCI_CPU_INIT
#endif
#define CONFIG_SYS_I2C_SPEED 80000 /* I2C speed and slave address */
#define CONFIG_SYS_I2C_SLAVE 0x7F
#define CONFIG_SYS_I2C_OFFSET 0x58000
-#define CONFIG_SYS_IMMR CONFIG_SYS_MBAR
+#define CONFIG_SYS_IMMR CONFIG_SYS_MBAR
+
+/* DSPI and Serial Flash */
+#define CONFIG_CF_DSPI
+#define CONFIG_HARD_SPI
+#define CONFIG_SYS_SER_FLASH_BASE 0x01000000
+#define CONFIG_SYS_SBFHDR_SIZE 0x7
+#ifdef CONFIG_CMD_SPI
+# define CONFIG_SYS_DSPI_CS2
+# define CONFIG_SPI_FLASH
+# define CONFIG_SPI_FLASH_STMICRO
+
+# define CONFIG_SYS_DSPI_DCTAR0 (DSPI_DCTAR_TRSZ(7) | \
+ DSPI_DCTAR_CPOL | \
+ DSPI_DCTAR_CPHA | \
+ DSPI_DCTAR_PCSSCK_1CLK | \
+ DSPI_DCTAR_PASC(0) | \
+ DSPI_DCTAR_PDT(0) | \
+ DSPI_DCTAR_CSSCK(0) | \
+ DSPI_DCTAR_ASC(0) | \
+ DSPI_DCTAR_PBR(0) | \
+ DSPI_DCTAR_DT(1) | \
+ DSPI_DCTAR_BR(1))
+#endif
/* Input, PCI, Flexbus, and VCO */
#define CONFIG_EXTRA_CLOCK
#define CONFIG_SYS_INPUT_CLKSRC 16000000
-#define CONFIG_PRAM 512 /* 512 KB */
+#define CONFIG_PRAM 2048 /* 2048 KB */
-#define CONFIG_SYS_PROMPT "-> "
+#define CONFIG_SYS_PROMPT "-> "
#define CONFIG_SYS_LONGHELP /* undef to save memory */
#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
+#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
#else
-#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
+#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
#endif
-#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
-#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
-#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
+#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
-#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x10000)
+#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x10000)
-#define CONFIG_SYS_HZ 1000
+#define CONFIG_SYS_HZ 1000
#define CONFIG_SYS_MBAR 0xFC000000
* You should know what you are doing if you make changes here.
*/
-/*-----------------------------------------------------------------------
+/*
* Definitions for initial stack pointer and data area (in DPRAM)
*/
#define CONFIG_SYS_INIT_RAM_ADDR 0x80000000
-#define CONFIG_SYS_INIT_RAM_END 0x8000 /* End of used area in internal SRAM */
-#define CONFIG_SYS_INIT_RAM_CTRL 0x21
+#define CONFIG_SYS_INIT_RAM_END 0x8000 /* End of used area in internal SRAM */
+#define CONFIG_SYS_INIT_RAM_CTRL 0x221
#define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
-#define CONFIG_SYS_GBL_DATA_OFFSET ((CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE) - 16)
-#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
+#define CONFIG_SYS_GBL_DATA_OFFSET ((CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE) - 32)
+#define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_GBL_DATA_OFFSET - 32)
+#define CONFIG_SYS_SBFHDR_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - 32)
-/*-----------------------------------------------------------------------
+/*
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
#define CONFIG_SYS_SDRAM_CTRL 0xE1092000
#define CONFIG_SYS_SDRAM_EMOD 0x81810000
#define CONFIG_SYS_SDRAM_MODE 0x00CD0000
+#define CONFIG_SYS_SDRAM_DRV_STRENGTH 0x00
#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE + 0x400
#define CONFIG_SYS_MEMTEST_END ((CONFIG_SYS_SDRAM_SIZE - 3) << 20)
-#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE + 0x400)
+#ifdef CONFIG_CF_SBF
+# define CONFIG_SYS_MONITOR_BASE (TEXT_BASE + 0x400)
+#else
+# define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE + 0x400)
+#endif
#define CONFIG_SYS_BOOTPARAMS_LEN 64*1024
#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
/* Initial Memory map for Linux */
#define CONFIG_SYS_BOOTMAPSZ (CONFIG_SYS_SDRAM_BASE + (CONFIG_SYS_SDRAM_SIZE << 20))
-/* Configuration for environment
+/*
+ * Configuration for environment
* Environment is embedded in u-boot in the second sector of the flash
*/
-#define CONFIG_ENV_IS_IN_FLASH 1
-#define CONFIG_ENV_OVERWRITE 1
+#ifdef CONFIG_CF_SBF
+# define CONFIG_ENV_IS_IN_SPI_FLASH
+# define CONFIG_ENV_SPI_CS 2
+#else
+# define CONFIG_ENV_IS_IN_FLASH 1
+#endif
+#define CONFIG_ENV_OVERWRITE 1
#undef CONFIG_ENV_IS_EMBEDDED
/*-----------------------------------------------------------------------
* FLASH organization
*/
-#define CONFIG_SYS_FLASH_BASE CONFIG_SYS_CS0_BASE
-#define CONFIG_SYS_FLASH0_BASE CONFIG_SYS_CS0_BASE
-#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x8000)
-#define CONFIG_ENV_SECT_SIZE 0x8000
+#ifdef CONFIG_SYS_STMICRO_BOOT
+# define CONFIG_SYS_FLASH_BASE CONFIG_SYS_SER_FLASH_BASE
+# define CONFIG_SYS_FLASH0_BASE CONFIG_SYS_SER_FLASH_BASE
+# define CONFIG_SYS_FLASH1_BASE CONFIG_SYS_CS0_BASE
+# define CONFIG_ENV_OFFSET 0x30000
+# define CONFIG_ENV_SIZE 0x1000
+# define CONFIG_ENV_SECT_SIZE 0x10000
+#endif
+#ifdef CONFIG_SYS_SPANSION_BOOT
+# define CONFIG_SYS_FLASH_BASE CONFIG_SYS_CS0_BASE
+# define CONFIG_SYS_FLASH0_BASE CONFIG_SYS_CS0_BASE
+# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x8000)
+# define CONFIG_ENV_SIZE 0x1000
+# define CONFIG_ENV_SECT_SIZE 0x8000
+#endif
#define CONFIG_SYS_FLASH_CFI
#ifdef CONFIG_SYS_FLASH_CFI
-
# define CONFIG_FLASH_CFI_DRIVER 1
# define CONFIG_SYS_FLASH_SIZE 0x1000000 /* Max size that the board might have */
# define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
# define CONFIG_SYS_MAX_FLASH_SECT 137 /* max number of sectors on one chip */
# define CONFIG_SYS_FLASH_PROTECTION /* "Real" (hardware) sectors protection */
# define CONFIG_SYS_FLASH_CHECKSUM
+# define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_CS0_BASE }
#endif
/*
/*-----------------------------------------------------------------------
* Cache Configuration
*/
-#define CONFIG_SYS_CACHELINE_SIZE 16
+#define CONFIG_SYS_CACHELINE_SIZE 16
/*-----------------------------------------------------------------------
* Memory bank definitions
* CS5 - Available
*/
+#ifdef CONFIG_CF_SBF
+#define CONFIG_SYS_CS0_BASE 0x04000000
+#define CONFIG_SYS_CS0_MASK 0x00FF0001
+#define CONFIG_SYS_CS0_CTRL 0x00001FA0
+#else
#define CONFIG_SYS_CS0_BASE 0x00000000
#define CONFIG_SYS_CS0_MASK 0x00FF0001
#define CONFIG_SYS_CS0_CTRL 0x00001FA0
+#endif
#endif /* _M52277EVB_H */
projects / platform / kernel / u-boot.git / commitdiff