From: TsiChung Liew Tsi-Chung.Liew@freescale.com
Signed-off-by: TsiChung Liew Tsi-Chung.Liew@freescale.com --- MAINTAINERS | 1 + MAKEALL | 1 + Makefile | 3 + board/freescale/m5253demo/Makefile | 44 +++ board/freescale/m5253demo/config.mk | 25 ++ board/freescale/m5253demo/flash.c | 467 +++++++++++++++++++++++++++++++++ board/freescale/m5253demo/m5253demo.c | 140 ++++++++++ board/freescale/m5253demo/u-boot.lds | 144 ++++++++++ include/configs/M5253DEMO.h | 252 ++++++++++++++++++ 9 files changed, 1077 insertions(+), 0 deletions(-) create mode 100644 board/freescale/m5253demo/Makefile create mode 100644 board/freescale/m5253demo/config.mk create mode 100644 board/freescale/m5253demo/flash.c create mode 100644 board/freescale/m5253demo/m5253demo.c create mode 100644 board/freescale/m5253demo/u-boot.lds create mode 100644 include/configs/M5253DEMO.h
diff --git a/MAINTAINERS b/MAINTAINERS index 777d141..10ad5ec 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -691,6 +691,7 @@ TsiChung Liew Tsi-Chung.Liew@freescale.com
M52277EVB mcf5227x M5235EVB mcf52x2 + M5253DEMO mcf52x2 M5329EVB mcf532x M5373EVB mcf532x M54455EVB mcf5445x diff --git a/MAKEALL b/MAKEALL index ee83cca..535d28a 100755 --- a/MAKEALL +++ b/MAKEALL @@ -691,6 +691,7 @@ LIST_coldfire=" \ M52277EVB \ M5235EVB \ M5249EVB \ + M5253DEMO \ M5253EVBE \ M5271EVB \ M5272C3 \ diff --git a/Makefile b/Makefile index 082b08e..89746a2 100644 --- a/Makefile +++ b/Makefile @@ -1836,6 +1836,9 @@ M5235EVB_Flash32_config: unconfig M5249EVB_config : unconfig @$(MKCONFIG) $(@:_config=) m68k mcf52x2 m5249evb freescale
+M5253DEMO_config : unconfig + @$(MKCONFIG) $(@:_config=) m68k mcf52x2 m5253demo freescale + M5253EVBE_config : unconfig @$(MKCONFIG) $(@:_config=) m68k mcf52x2 m5253evbe freescale
diff --git a/board/freescale/m5253demo/Makefile b/board/freescale/m5253demo/Makefile new file mode 100644 index 0000000..cf07cf4 --- /dev/null +++ b/board/freescale/m5253demo/Makefile @@ -0,0 +1,44 @@ +# +# (C) Copyright 2000-2006 +# 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 +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS = $(BOARD).o flash.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/m5253demo/config.mk b/board/freescale/m5253demo/config.mk new file mode 100644 index 0000000..fa66b75 --- /dev/null +++ b/board/freescale/m5253demo/config.mk @@ -0,0 +1,25 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# Coldfire contribution by Bernhard Kuhn bkuhn@metrowerks.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 +# + +TEXT_BASE = 0xFF800000 diff --git a/board/freescale/m5253demo/flash.c b/board/freescale/m5253demo/flash.c new file mode 100644 index 0000000..1bf1e97 --- /dev/null +++ b/board/freescale/m5253demo/flash.c @@ -0,0 +1,467 @@ +/* + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2007 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 <asm/immap.h> + +#ifndef CFG_FLASH_CFI +typedef unsigned short FLASH_PORT_WIDTH; +typedef volatile unsigned short FLASH_PORT_WIDTHV; + +#define FPW FLASH_PORT_WIDTH +#define FPWV FLASH_PORT_WIDTHV + +#define FLASH_CYCLE1 0x5555 +#define FLASH_CYCLE2 0x2aaa + +#define SYNC __asm__("nop") + +/*----------------------------------------------------------------------- + * Functions + */ + +ulong flash_get_size(FPWV * addr, flash_info_t * info); +int flash_get_offsets(ulong base, flash_info_t * info); +int write_word(flash_info_t * info, FPWV * dest, u16 data); +void inline spin_wheel(void); + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; + +ulong flash_init(void) +{ + ulong size = 0; + ulong fbase = 0; + + fbase = (ulong) CFG_FLASH_BASE; + flash_get_size((FPWV *) fbase, &flash_info[0]); + flash_get_offsets((ulong) fbase, &flash_info[0]); + fbase += flash_info[0].size; + size += flash_info[0].size; + + /* Protect monitor and environment sectors */ + flash_protect(FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]); + + return size; +} + +int flash_get_offsets(ulong base, flash_info_t * info) +{ + int j, k; + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { + + info->start[0] = base; + for (k = 0, j = 0; j < CFG_SST_SECT; j++, k++) { + info->start[k + 1] = info->start[k] + CFG_SST_SECTSZ; + info->protect[k] = 0; + } + } + + return ERR_OK; +} + +void flash_print_info(flash_info_t * info) +{ + int i; + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_SST: + printf("SST "); + break; + default: + printf("Unknown Vendor "); + break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_SST6401B: + printf("SST39VF6401B\n"); + break; + default: + printf("Unknown Chip Type\n"); + return; + } + + if (info->size > 0x100000) { + int remainder; + + printf(" Size: %ld", info->size >> 20); + + remainder = (info->size % 0x100000); + if (remainder) { + remainder >>= 10; + remainder = (int)((float) + (((float)remainder / (float)1024) * + 10000)); + printf(".%d ", remainder); + } + + printf("MB in %d Sectors\n", info->sector_count); + } else + printf(" Size: %ld KB in %d Sectors\n", + info->size >> 10, info->sector_count); + + printf(" Sector Start Addresses:"); + for (i = 0; i < info->sector_count; ++i) { + if ((i % 5) == 0) + printf("\n "); + printf(" %08lX%s", + info->start[i], info->protect[i] ? " (RO)" : " "); + } + printf("\n"); +} + +/* + * The following code cannot be run from FLASH! + */ +ulong flash_get_size(FPWV * addr, flash_info_t * info) +{ + u16 value; + + addr[FLASH_CYCLE1] = (FPWV) 0x00AA00AA; /* for Atmel, Intel ignores this */ + addr[FLASH_CYCLE2] = (FPWV) 0x00550055; /* for Atmel, Intel ignores this */ + addr[FLASH_CYCLE1] = (FPWV) 0x00900090; /* selects Intel or Atmel */ + + switch (addr[0] & 0xffff) { + case (u8) SST_MANUFACT: + info->flash_id = FLASH_MAN_SST; + value = addr[1]; + break; + default: + printf("Unknown Flash\n"); + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + + *addr = (FPW) 0x00F000F0; + return (0); /* no or unknown flash */ + } + + switch (value) { + case (u16) SST_ID_xF6401B: + info->flash_id += FLASH_SST6401B; + break; + default: + info->flash_id = FLASH_UNKNOWN; + break; + } + + info->sector_count = 0; + info->size = 0; + info->sector_count = CFG_SST_SECT; + info->size = CFG_SST_SECT * CFG_SST_SECTSZ; + + /* reset ID mode */ + *addr = (FPWV) 0x00F000F0; + + if (info->sector_count > CFG_MAX_FLASH_SECT) { + printf("** ERROR: sector count %d > max (%d) **\n", + info->sector_count, CFG_MAX_FLASH_SECT); + info->sector_count = CFG_MAX_FLASH_SECT; + } + + return (info->size); +} + +int flash_erase(flash_info_t * info, int s_first, int s_last) +{ + FPWV *addr; + int flag, prot, sect, count; + ulong type, start, last; + int rcode = 0, flashtype = 0; + + if ((s_first < 0) || (s_first > s_last)) { + if (info->flash_id == FLASH_UNKNOWN) + printf("- missing\n"); + else + printf("- no sectors to erase\n"); + return 1; + } + + type = (info->flash_id & FLASH_VENDMASK); + + switch (type) { + case FLASH_MAN_SST: + flashtype = 1; + break; + default: + type = (info->flash_id & FLASH_VENDMASK); + printf("Can't erase unknown flash type %08lx - aborted\n", + info->flash_id); + return 1; + } + + prot = 0; + for (sect = s_first; sect <= s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + + if (prot) + printf("- Warning: %d protected sectors will not be erased!\n", + prot); + else + printf("\n"); + + flag = disable_interrupts(); + + start = get_timer(0); + last = start; + + if ((s_last - s_first) == (CFG_SST_SECT - 1)) { + if (prot == 0) { + addr = (FPWV *) info->start[0]; + + addr[FLASH_CYCLE1] = 0x00AA; /* unlock */ + addr[FLASH_CYCLE2] = 0x0055; /* unlock */ + addr[FLASH_CYCLE1] = 0x0080; /* erase mode */ + addr[FLASH_CYCLE1] = 0x00AA; /* unlock */ + addr[FLASH_CYCLE2] = 0x0055; /* unlock */ + *addr = 0x0030; /* erase chip */ + + count = 0; + start = get_timer(0); + + while ((*addr & 0x0080) != 0x0080) { + if (count++ > 0x10000) { + spin_wheel(); + count = 0; + } + + if (get_timer(start) > CFG_FLASH_ERASE_TOUT) { + printf("Timeout\n"); + *addr = 0x00F0; /* reset to read mode */ + + return 1; + } + } + + *addr = 0x00F0; /* reset to read mode */ + + printf("\b. done\n"); + + if (flag) + enable_interrupts(); + + return 0; + } else if (prot == CFG_SST_SECT) { + return 1; + } + } + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + + addr = (FPWV *) (info->start[sect]); + + printf("."); + + /* arm simple, non interrupt dependent timer */ + start = get_timer(0); + + switch (flashtype) { + case 1: + { + FPWV *base; /* first address in bank */ + + flag = disable_interrupts(); + + base = (FPWV *) (CFG_FLASH_BASE); /* First sector */ + + base[FLASH_CYCLE1] = 0x00AA; /* unlock */ + base[FLASH_CYCLE2] = 0x0055; /* unlock */ + base[FLASH_CYCLE1] = 0x0080; /* erase mode */ + base[FLASH_CYCLE1] = 0x00AA; /* unlock */ + base[FLASH_CYCLE2] = 0x0055; /* unlock */ + *addr = 0x0050; /* erase sector */ + + if (flag) + enable_interrupts(); + + while ((*addr & 0x0080) != 0x0080) { + if (get_timer(start) > + CFG_FLASH_ERASE_TOUT) { + printf("Timeout\n"); + *addr = 0x00F0; /* reset to read mode */ + + rcode = 1; + break; + } + } + + *addr = 0x00F0; /* reset to read mode */ + break; + } + } /* switch (flashtype) */ + } + } + printf(" done\n"); + + if (flag) + enable_interrupts(); + + return rcode; +} + +int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + ulong wp, count; + u16 data; + int rc, port_width; + + if (info->flash_id == FLASH_UNKNOWN) + return 4; + + /* get lower word aligned address */ + wp = addr; + port_width = sizeof(FPW); + + /* handle unaligned start bytes */ + if (wp & 1) { + data = *((FPWV *) wp); + data = (data << 8) | *src; + + if ((rc = write_word(info, (FPWV *) wp, data)) != 0) + return (rc); + + wp++; + cnt -= 1; + src++; + } + + while (cnt >= 2) { + /* + * handle word aligned part + */ + count = 0; + data = *((FPWV *) src); + + if ((rc = write_word(info, (FPWV *) wp, data)) != 0) + return (rc); + + wp += 2; + src += 2; + cnt -= 2; + + if (count++ > 0x800) { + spin_wheel(); + count = 0; + } + } + /* handle word aligned part */ + if (cnt) { + /* handle word aligned part */ + count = 0; + data = *((FPWV *) wp); + + data = (data & 0x00FF) | (*src << 8); + + if ((rc = write_word(info, (FPWV *) wp, data)) != 0) + return (rc); + + wp++; + src++; + cnt -= 1; + if (count++ > 0x800) { + spin_wheel(); + count = 0; + } + } + + if (cnt == 0) + return ERR_OK; + + return ERR_OK; +} + +/*----------------------------------------------------------------------- + * Write a word to Flash + * A word is 16 bits, whichever the bus width of the flash bank + * (not an individual chip) is. + * + * returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +int write_word(flash_info_t * info, FPWV * dest, u16 data) +{ + ulong start; + int flag; + int res = 0; /* result, assume success */ + FPWV *base; /* first address in flash bank */ + + /* Check if Flash is (sufficiently) erased */ + if ((*dest & (u8) data) != (u8) data) { + return (2); + } + + base = (FPWV *) (CFG_FLASH_BASE); + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + base[FLASH_CYCLE1] = (u8) 0x00AA00AA; /* unlock */ + base[FLASH_CYCLE2] = (u8) 0x00550055; /* unlock */ + base[FLASH_CYCLE1] = (u8) 0x00A000A0; /* selects program mode */ + + *dest = data; /* start programming the data */ + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + start = get_timer(0); + + /* data polling for D7 */ + while (res == 0 + && (*dest & (u8) 0x00800080) != (data & (u8) 0x00800080)) { + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + *dest = (u8) 0x00F000F0; /* reset bank */ + res = 1; + } + } + + *dest++ = (u8) 0x00F000F0; /* reset bank */ + + return (res); +} + +void inline spin_wheel(void) +{ + static int p = 0; + static char w[] = "\/-"; + + printf("\010%c", w[p]); + (++p == 3) ? (p = 0) : 0; +} + +#endif diff --git a/board/freescale/m5253demo/m5253demo.c b/board/freescale/m5253demo/m5253demo.c new file mode 100644 index 0000000..2eb6a04 --- /dev/null +++ b/board/freescale/m5253demo/m5253demo.c @@ -0,0 +1,140 @@ +/* + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * Hayden Fraser (Hayden.Fraser@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 <asm/immap.h> + +int checkboard(void) +{ + puts("Board: "); + puts("Freescale MCF5253 DEMO\n"); + return 0; +}; + +phys_size_t initdram(int board_type) +{ + u32 dramsize = 0; + + /* + * Check to see if the SDRAM has already been initialized + * by a run control tool + */ + if (!(mbar_readLong(MCFSIM_DCR) & 0x8000)) { + u32 RC, temp; + + RC = (CFG_CLK / 1000000) >> 1; + RC = (RC * 15) >> 4; + + /* Initialize DRAM Control Register: DCR */ + mbar_writeShort(MCFSIM_DCR, (0x8400 | RC)); + __asm__("nop"); + + mbar_writeLong(MCFSIM_DACR0, 0x00003224); + __asm__("nop"); + + /* Initialize DMR0 */ + dramsize = (CFG_SDRAM_SIZE << 20); + temp = (dramsize - 1) & 0xFFFC0000; + mbar_writeLong(MCFSIM_DMR0, temp | 1); + __asm__("nop"); + + mbar_writeLong(MCFSIM_DACR0, 0x0000322c); + __asm__("nop"); + + /* Write to this block to initiate precharge */ + *(u32 *) (CFG_SDRAM_BASE) = 0xa5a5a5a5; + __asm__("nop"); + + /* Set RE bit in DACR */ + mbar_writeLong(MCFSIM_DACR0, + mbar_readLong(MCFSIM_DACR0) | 0x8000); + __asm__("nop"); + + /* Wait for at least 8 auto refresh cycles to occur */ + udelay(500); + + /* Finish the configuration by issuing the MRS */ + mbar_writeLong(MCFSIM_DACR0, + mbar_readLong(MCFSIM_DACR0) | 0x0040); + __asm__("nop"); + + *(u32 *) (CFG_SDRAM_BASE + 0x800) = 0xa5a5a5a5; + } + + return dramsize; +} + +int testdram(void) +{ + /* TODO: XXX XXX XXX */ + printf("DRAM test not implemented!\n"); + + return (0); +} + +#ifdef CONFIG_CMD_IDE +#include <ata.h> +int ide_preinit(void) +{ + return (0); +} + +void ide_set_reset(int idereset) +{ + volatile atac_t *ata = (atac_t *) CFG_ATA_BASE_ADDR; + long period; + /* t1, t2, t3, t4, t5, t6, t9, tRD, tA */ + int piotms[5][9] = { {70, 165, 60, 30, 50, 5, 20, 0, 35}, /* PIO 0 */ + {50, 125, 45, 20, 35, 5, 15, 0, 35}, /* PIO 1 */ + {30, 100, 30, 15, 20, 5, 10, 0, 35}, /* PIO 2 */ + {30, 80, 30, 10, 20, 5, 10, 0, 35}, /* PIO 3 */ + {25, 70, 20, 10, 20, 5, 10, 0, 35} /* PIO 4 */ + }; + + if (idereset) { + ata->cr = 0; /* control reset */ + udelay(100); + } else { + mbar2_writeLong(CIM_MISCCR, CIM_MISCCR_CPUEND); + +#define CALC_TIMING(t) (t + period - 1) / period + period = 1000000000 / (CFG_CLK / 2); /* period in ns */ + + /*ata->ton = CALC_TIMING (180); */ + ata->t1 = CALC_TIMING(piotms[2][0]); + ata->t2w = CALC_TIMING(piotms[2][1]); + ata->t2r = CALC_TIMING(piotms[2][1]); + ata->ta = CALC_TIMING(piotms[2][8]); + ata->trd = CALC_TIMING(piotms[2][7]); + ata->t4 = CALC_TIMING(piotms[2][3]); + ata->t9 = CALC_TIMING(piotms[2][6]); + + ata->cr = 0x40; /* IORDY enable */ + udelay(2000); + ata->cr |= 0x01; /* IORDY enable */ + } +} +#endif /* CONFIG_CMD_IDE */ diff --git a/board/freescale/m5253demo/u-boot.lds b/board/freescale/m5253demo/u-boot.lds new file mode 100644 index 0000000..4bdea5e --- /dev/null +++ b/board/freescale/m5253demo/u-boot.lds @@ -0,0 +1,144 @@ +/* + * (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/mcf52x2/start.o (.text) + lib_m68k/traps.o (.text) + cpu/mcf52x2/interrupts.o (.text) + common/dlmalloc.o (.text) + lib_generic/zlib.o (.text) + + . = DEFINED(env_offset) ? env_offset : .; + common/environment.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 = .); +} diff --git a/include/configs/M5253DEMO.h b/include/configs/M5253DEMO.h new file mode 100644 index 0000000..b91d7d6 --- /dev/null +++ b/include/configs/M5253DEMO.h @@ -0,0 +1,252 @@ +/* + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * Hayden Fraser (Hayden.Fraser@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 + */ + +#ifndef _M5253DEMO_H +#define _M5253DEMO_H + +#define CONFIG_MCF52x2 /* define processor family */ +#define CONFIG_M5253 /* define processor type */ +#define CONFIG_M5253DEMO /* define board type */ + +#define CONFIG_MCFTMR + +#define CONFIG_MCFUART +#define CFG_UART_PORT (0) +#define CONFIG_BAUDRATE 115200 +#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 } + +#undef CONFIG_WATCHDOG /* disable watchdog */ + +#define CONFIG_BOOTDELAY 5 + +/* Configuration for environment + * Environment is embedded in u-boot in the second sector of the flash + */ +#ifdef CONFIG_MONITOR_IS_IN_RAM +# define CFG_ENV_OFFSET 0x4000 +# define CFG_ENV_SECT_SIZE 0x1000 +# define CFG_ENV_IS_IN_FLASH 1 +#else +# define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x4000) +# define CFG_ENV_SECT_SIZE 0x1000 +# define CFG_ENV_IS_IN_FLASH 1 +#endif + +/* + * Command line configuration. + */ +#include <config_cmd_default.h> + +#define CONFIG_CMD_LOADB +#define CONFIG_CMD_LOADS +#define CONFIG_CMD_EXT2 +#define CONFIG_CMD_FAT +#define CONFIG_CMD_IDE +#define CONFIG_CMD_MEMORY +#define CONFIG_CMD_MISC +#define CONFIG_CMD_PING + +#ifdef CONFIG_CMD_IDE +/* ATA */ +# define CONFIG_DOS_PARTITION +# define CONFIG_MAC_PARTITION +# define CONFIG_IDE_RESET 1 +# define CONFIG_IDE_PREINIT 1 +# define CONFIG_ATAPI +# undef CONFIG_LBA48 + +# define CFG_IDE_MAXBUS 1 +# define CFG_IDE_MAXDEVICE 2 + +# define CFG_ATA_BASE_ADDR (CFG_MBAR2 + 0x800) +# define CFG_ATA_IDE0_OFFSET 0 + +# define CFG_ATA_DATA_OFFSET 0xA0 /* Offset for data I/O */ +# define CFG_ATA_REG_OFFSET 0xA0 /* Offset for normal register accesses */ +# define CFG_ATA_ALT_OFFSET 0xC0 /* Offset for alternate registers */ +# define CFG_ATA_STRIDE 4 /* Interval between registers */ +# define _IO_BASE 0 +#endif + +#define CONFIG_DRIVER_DM9000 +#ifdef CONFIG_DRIVER_DM9000 +# define CONFIG_DM9000_BASE ((CFG_CSAR1 << 16) | 0x300) +# define DM9000_IO CONFIG_DM9000_BASE +# define DM9000_DATA (CONFIG_DM9000_BASE + 4) +# undef CONFIG_DM9000_DEBUG + +# define CONFIG_ETHADDR 00:e0:0c:bc:e5:60 +# define CONFIG_IPADDR 10.82.121.249 +# define CONFIG_NETMASK 255.255.252.0 +# define CONFIG_SERVERIP 10.82.120.80 +# define CONFIG_GATEWAYIP 10.82.123.254 +# define CONFIG_OVERWRITE_ETHADDR_ONCE + +# define CONFIG_EXTRA_ENV_SETTINGS \ + "netdev=eth0\0" \ + "inpclk=" MK_STR(CFG_INPUT_CLKSRC) "\0" \ + "loadaddr=10000\0" \ + "u-boot=u-boot.bin\0" \ + "load=tftp ${loadaddr) ${u-boot}\0" \ + "upd=run load; run prog\0" \ + "prog=prot off 0 2ffff;" \ + "era 0 2ffff;" \ + "cp.b ${loadaddr} 0 ${filesize};" \ + "save\0" \ + "" +#endif + +#define CONFIG_HOSTNAME M5253DEMO + +#define CFG_PROMPT "=> " +#define CFG_LONGHELP /* undef to save memory */ + +#if defined(CONFIG_CMD_KGDB) +# define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#else +# define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#endif +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_LOAD_ADDR 0x00100000 + +#define CFG_MEMTEST_START 0x400 +#define CFG_MEMTEST_END 0x380000 + +#define CFG_HZ 1000 + +#undef CFG_PLL_BYPASS /* bypass PLL for test purpose */ +#define CFG_FAST_CLK +#ifdef CFG_FAST_CLK +# define CFG_PLLCR 0x1243E054 +# define CFG_CLK 140000000 +#else +# define CFG_PLLCR 0x135a4140 +# define CFG_CLK 70000000 +#endif + +/* + * Low Level Configuration Settings + * (address mappings, register initial values, etc.) + * You should know what you are doing if you make changes here. + */ + +#define CFG_MBAR 0x10000000 /* Register Base Addrs */ +#define CFG_MBAR2 0x80000000 /* Module Base Addrs 2 */ + +/* + * Definitions for initial stack pointer and data area (in DPRAM) + */ +#define CFG_INIT_RAM_ADDR 0x20000000 +#define CFG_INIT_RAM_END 0x10000 /* End of used area in internal SRAM */ +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET + +/* + * Start addresses for the final memory configuration + * (Set up by the startup code) + * Please note that CFG_SDRAM_BASE _must_ start at 0 + */ +#define CFG_SDRAM_BASE 0x00000000 +#define CFG_SDRAM_SIZE 16 /* SDRAM size in MB */ + +#ifdef CONFIG_MONITOR_IS_IN_RAM +# define CFG_MONITOR_BASE 0x20000 +#else +# define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400) +#endif + +#define CFG_MONITOR_LEN 0x40000 +#define CFG_MALLOC_LEN (256 << 10) +#define CFG_BOOTPARAMS_LEN (64*1024) + +/* + * For booting Linux, the board info and command line data + * have to be in the first 8 MB of memory, since this is + * the maximum mapped by the Linux kernel during initialization ?? + */ +#define CFG_BOOTMAPSZ (CFG_SDRAM_BASE + (CFG_SDRAM_SIZE << 20)) + +/* FLASH organization */ +#define CFG_FLASH_BASE (CFG_CSAR0 << 16) +#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 2048 /* max number of sectors on one chip */ +#define CFG_FLASH_ERASE_TOUT 1000 + +#define FLASH_SST6401B 0x200 +#define SST_ID_xF6401B 0x236D236D + +#undef CFG_FLASH_CFI +#ifdef CFG_FLASH_CFI +/* + * Unable to use CFI driver, due to incompatible sector erase command by SST. + * Amd/Atmel use 0x30 for sector erase, SST use 0x50. + * 0x30 is block erase in SST + */ +# define CFG_FLASH_CFI_DRIVER 1 +# define CFG_FLASH_SIZE 0x800000 +# define CFG_FLASH_CFI_WIDTH FLASH_CFI_16BIT +# define CONFIG_FLASH_CFI_LEGACY +#else +# define CFG_SST_SECT 2048 +# define CFG_SST_SECTSZ 0x1000 +# define CFG_FLASH_WRITE_TOUT 500 +#endif + +/* Cache Configuration */ +#define CFG_CACHELINE_SIZE 16 + +/* Port configuration */ +#define CFG_FECI2C 0xF0 + +#define CFG_CSAR0 0xFF80 +#define CFG_CSMR0 0x007F0021 +#define CFG_CSCR0 0x1D80 + +#define CFG_CSAR1 0xE000 +#define CFG_CSMR1 0x00000001 +#define CFG_CSCR1 0x3DD8 + +#define CFG_CSAR2 0 +#define CFG_CSMR2 0 +#define CFG_CSCR2 0 + +#define CFG_CSAR3 0 +#define CFG_CSMR3 0 +#define CFG_CSCR3 0 + +/*----------------------------------------------------------------------- + * Port configuration + */ +#define CFG_GPIO_FUNC 0x00000008 /* Set gpio pins: none */ +#define CFG_GPIO1_FUNC 0x00df00f0 /* 36-39(SWITCH),48-52(FPGAs),54 */ +#define CFG_GPIO_EN 0x00000008 /* Set gpio output enable */ +#define CFG_GPIO1_EN 0x00c70000 /* Set gpio output enable */ +#define CFG_GPIO_OUT 0x00000008 /* Set outputs to default state */ +#define CFG_GPIO1_OUT 0x00c70000 /* Set outputs to default state */ +#define CFG_GPIO1_LED 0x00400000 /* user led */ + +#endif /* _M5253DEMO_H */