diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/rmu/Makefile | 40 | ||||
| -rw-r--r-- | board/rmu/config.mk | 28 | ||||
| -rw-r--r-- | board/rmu/flash.c | 515 | ||||
| -rw-r--r-- | board/rmu/rmu.c | 184 | ||||
| -rw-r--r-- | board/rmu/u-boot.lds | 134 | ||||
| -rw-r--r-- | board/rmu/u-boot.lds.debug | 131 | ||||
| -rw-r--r-- | board/tqm8xx/flash.c | 38 |
7 files changed, 1070 insertions, 0 deletions
diff --git a/board/rmu/Makefile b/board/rmu/Makefile new file mode 100644 index 0000000..ef173d0 --- /dev/null +++ b/board/rmu/Makefile @@ -0,0 +1,40 @@ +# +# (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 +# + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS = $(BOARD).o flash.o + +$(LIB): .depend $(OBJS) + $(AR) crv $@ $^ + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/board/rmu/config.mk b/board/rmu/config.mk new file mode 100644 index 0000000..7cb374e --- /dev/null +++ b/board/rmu/config.mk @@ -0,0 +1,28 @@ +# +# (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 +# + +# +# RMU boards +# + +TEXT_BASE = 0xfff00000 diff --git a/board/rmu/flash.c b/board/rmu/flash.c new file mode 100644 index 0000000..c05cf32 --- /dev/null +++ b/board/rmu/flash.c @@ -0,0 +1,515 @@ +/* + * (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 + */ + +#include <common.h> +#include <mpc8xx.h> + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long *addr, flash_info_t *info); +static int write_word (flash_info_t *info, ulong dest, ulong data); +static void flash_get_offsets (ulong base, flash_info_t *info); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile memctl8xx_t *memctl = &immap->im_memctl; + unsigned long size_b0 ; + int i; + + /* Init: no FLASHes known */ + for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + } + + /* Static FLASH Bank configuration here - FIXME XXX */ + size_b0 = flash_get_size((vu_long *)FLASH_BASE_PRELIM, &flash_info[0]); + if (flash_info[0].flash_id == FLASH_UNKNOWN) { + printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", + size_b0, size_b0<<20); + } + + /* Remap FLASH according to real size */ + memctl->memc_or0 = CFG_OR_TIMING_FLASH | (-size_b0 & 0xFFFF8000); + memctl->memc_br0 = (CFG_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V; + + /* Re-do sizing to get full correct info */ + + size_b0 = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]); + flash_get_offsets (CFG_FLASH_BASE, &flash_info[0]); + +#if CFG_MONITOR_BASE >= CFG_FLASH_BASE + /* monitor protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE+monitor_flash_len-1, + &flash_info[0]); +#endif + +#ifdef CFG_ENV_IS_IN_FLASH + /* ENV protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR+CFG_ENV_SIZE-1, + &flash_info[0]); +#endif + + flash_info[0].size = size_b0; + + return (size_b0); +} + +/*----------------------------------------------------------------------- + */ +static void flash_get_offsets (ulong base, flash_info_t *info) +{ + int i; + + /* set up sector start address table */ + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00010000; + info->start[2] = base + 0x00018000; + info->start[3] = base + 0x00020000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = base + ((i-3) * 0x00040000) ; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00010000; + info->start[i--] = base + info->size - 0x00018000; + info->start[i--] = base + info->size - 0x00020000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00040000; + } + } + +} + +/*----------------------------------------------------------------------- + */ +void flash_print_info (flash_info_t *info) +{ + int i; + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("missing or unknown FLASH type\n"); + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_AMD: printf ("AMD "); break; + case FLASH_MAN_FUJ: printf ("FUJITSU "); break; + default: printf ("Unknown Vendor "); break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM400T: printf ("AM29LV400T (4 Mbit, top boot sector)\n"); + break; + case FLASH_AM800B: printf ("AM29LV800B (8 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM800T: printf ("AM29LV800T (8 Mbit, top boot sector)\n"); + break; + case FLASH_AM160B: printf ("AM29LV160B (16 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n"); + break; + case FLASH_AM320B: printf ("AM29LV320B (32 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM320T: printf ("AM29LV320T (32 Mbit, top boot sector)\n"); + break; + default: printf ("Unknown Chip Type\n"); + break; + } + + printf (" Size: %ld MB in %d Sectors\n", + info->size >> 20, 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"); + return; +} + +/*----------------------------------------------------------------------- + */ + + +/*----------------------------------------------------------------------- + */ + +/* + * The following code cannot be run from FLASH! + */ + +static ulong flash_get_size (vu_long *addr, flash_info_t *info) +{ + short i; + ulong value; + ulong base = (ulong)addr; + + /* Write auto select command: read Manufacturer ID */ + addr[0xAAA] = 0xAAAAAAAA ; + addr[0x555] = 0x55555555 ; + addr[0xAAA] = 0x90909090 ; + + value = addr[0] ; + + switch (value & 0x00FF00FF) { + case AMD_MANUFACT: + info->flash_id = FLASH_MAN_AMD; + break; + case FUJ_MANUFACT: + info->flash_id = FLASH_MAN_FUJ; + break; + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return (0); /* no or unknown flash */ + } + + value = addr[2] ; /* device ID */ + + switch (value & 0x00FF00FF) { + case (AMD_ID_LV400T & 0x00FF00FF): + info->flash_id += FLASH_AM400T; + info->sector_count = 11; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (AMD_ID_LV400B & 0x00FF00FF): + info->flash_id += FLASH_AM400B; + info->sector_count = 11; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (AMD_ID_LV800T & 0x00FF00FF): + info->flash_id += FLASH_AM800T; + info->sector_count = 19; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (AMD_ID_LV800B & 0x00FF00FF): + info->flash_id += FLASH_AM800B; + info->sector_count = 19; + info->size = 0x00400000; /*%%% Size doubled by yooth */ + break; /* => 4 MB */ + + case (AMD_ID_LV160T & 0x00FF00FF): + info->flash_id += FLASH_AM160T; + info->sector_count = 35; + info->size = 0x00400000; + break; /* => 4 MB */ + + case (AMD_ID_LV160B & 0x00FF00FF): + info->flash_id += FLASH_AM160B; + info->sector_count = 35; + info->size = 0x00800000; + break; /* => 8 MB */ +#if 0 /* enable when device IDs are available */ + case AMD_ID_LV320T: + info->flash_id += FLASH_AM320T; + info->sector_count = 67; + info->size = 0x00800000; + break; /* => 8 MB */ + + case AMD_ID_LV320B: + info->flash_id += FLASH_AM320B; + info->sector_count = 67; + info->size = 0x01000000; + break; /* => 16 MB */ +#endif + default: + info->flash_id = FLASH_UNKNOWN; + return (0); /* => no or unknown flash */ + + } + /*%%% sector start address modified */ + /* set up sector start address table */ + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00010000; + info->start[2] = base + 0x00018000; + info->start[3] = base + 0x00020000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = base + ((i-3) * 0x00040000) ; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00010000; + info->start[i--] = base + info->size - 0x00018000; + info->start[i--] = base + info->size - 0x00020000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00040000; + } + } + + /* check for protected sectors */ + for (i = 0; i < info->sector_count; i++) { + /* read sector protection at sector address, (A7 .. A0) = 0x02 */ + /* D0 = 1 if protected */ + addr = (volatile unsigned long *)(info->start[i]); + info->protect[i] = addr[4] & 1 ; + } + + /* + * Prevent writes to uninitialized FLASH. + */ + if (info->flash_id != FLASH_UNKNOWN) { + addr = (volatile unsigned long *)info->start[0]; + + *addr = 0xF0F0F0F0; /* reset bank */ + } + + return (info->size); +} + + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t *info, int s_first, int s_last) +{ + vu_long *addr = (vu_long*)(info->start[0]); + int flag, prot, sect, l_sect; + ulong start, now, last; + + 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; + } + + if ((info->flash_id == FLASH_UNKNOWN) || + (info->flash_id > FLASH_AMD_COMP)) { + 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"); + } + + l_sect = -1; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + addr[0xAAA] = 0xAAAAAAAA; + addr[0x555] = 0x55555555; + addr[0xAAA] = 0x80808080; + addr[0xAAA] = 0xAAAAAAAA; + addr[0x555] = 0x55555555; + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect<=s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + addr = (vu_long *)(info->start[sect]) ; + addr[0] = 0x30303030 ; + l_sect = sect; + } + } + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* wait at least 80us - let's wait 1 ms */ + udelay (1000); + + /* + * We wait for the last triggered sector + */ + if (l_sect < 0) + goto DONE; + + start = get_timer (0); + last = start; + addr = (vu_long *)(info->start[l_sect]); + while ((addr[0] & 0x80808080) != 0x80808080) { + if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + return 1; + } + /* show that we're waiting */ + if ((now - last) > 1000) { /* every second */ + putc ('.'); + last = now; + } + } + +DONE: + /* reset to read mode */ + addr = (vu_long *)info->start[0]; + addr[0] = 0xF0F0F0F0; /* reset bank */ + + printf (" done\n"); + return 0; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ + +int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) +{ + ulong cp, wp, data; + int i, l, rc; + + wp = (addr & ~3); /* get lower word aligned address */ + + /* + * handle unaligned start bytes + */ + if ((l = addr - wp) != 0) { + data = 0; + for (i=0, cp=wp; i<l; ++i, ++cp) { + data = (data << 8) | (*(uchar *)cp); + } + for (; i<4 && cnt>0; ++i) { + data = (data << 8) | *src++; + --cnt; + ++cp; + } + for (; cnt==0 && i<4; ++i, ++cp) { + data = (data << 8) | (*(uchar *)cp); + } + + if ((rc = write_word(info, wp, data)) != 0) { + return (rc); + } + wp += 4; + } + + /* + * handle word aligned part + */ + while (cnt >= 4) { + data = 0; + for (i=0; i<4; ++i) { + data = (data << 8) | *src++; + } + if ((rc = write_word(info, wp, data)) != 0) { + return (rc); + } + wp += 4; + cnt -= 4; + } + + if (cnt == 0) { + return (0); + } + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { + data = (data << 8) | *src++; + --cnt; + } + for (; i<4; ++i, ++cp) { + data = (data << 8) | (*(uchar *)cp); + } + + return (write_word(info, wp, data)); +} + +/*----------------------------------------------------------------------- + * Write a word to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_word (flash_info_t *info, ulong dest, ulong data) +{ + vu_long *addr = (vu_long *)(info->start[0]); + ulong start; + int flag; + + /* Check if Flash is (sufficiently) erased */ + if ((*((vu_long *)dest) & data) != data) { + return (2); + } + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + addr[0xAAA] = 0xAAAAAAAA; + addr[0x555] = 0x55555555; + addr[0xAAA] = 0xA0A0A0A0; + + *((vu_long *)dest) = data; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* data polling for D7 */ + start = get_timer (0); + while ((*((vu_long *)dest) & 0x80808080) != (data & 0x80808080)) { + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + return (1); + } + } + return (0); +} + +/*----------------------------------------------------------------------- + */ diff --git a/board/rmu/rmu.c b/board/rmu/rmu.c new file mode 100644 index 0000000..c9925d0 --- /dev/null +++ b/board/rmu/rmu.c @@ -0,0 +1,184 @@ +/* + * (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 + */ + + +#include <common.h> +#include <mpc8xx.h> + +/* ------------------------------------------------------------------------- */ + +static long int dram_size (long int, long int *, long int); + +/* ------------------------------------------------------------------------- */ + +#define _NOT_USED_ 0xFFFFCC25 + +const uint sdram_table[] = +{ + /* + * Single Read. (Offset 00h in UPMA RAM) + */ + 0x0F03CC04, 0x00ACCC24, 0x1FF74C20, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + + /* + * Burst Read. (Offset 08h in UPMA RAM) + */ + 0x0F03CC04, 0x00ACCC24, 0x00FFCC20, 0x00FFCC20, + 0x01FFCC20, 0x1FF74C20, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + + /* + * Single Write. (Offset 18h in UPMA RAM) + */ + 0x0F03CC02, 0x00AC0C24, 0x1FF74C25, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + + /* + * Burst Write. (Offset 20h in UPMA RAM) + */ + 0x0F03CC00, 0x00AC0C20, 0x00FFFC20, 0x00FFFC22, + 0x01FFFC24, 0x1FF74C25, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + + /* + * Refresh. (Offset 30h in UPMA RAM) + * (Initialization code at 0x36) + */ + 0x0FF0CC24, 0xFFFFCC24, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, 0xEFFB8C34, 0x0FF74C34, + 0x0FFACCB4, 0x0FF5CC34, 0x0FFCC34, 0x0FFFCCB4, + + /* + * Exception. (Offset 3Ch in UPMA RAM) + */ + 0x0FEA8C34, 0x1FB54C34, 0xFFFFCC34, _NOT_USED_ +}; + +/* ------------------------------------------------------------------------- */ + + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ + puts ("Board: RMU\n") ; + return (0) ; +} + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile memctl8xx_t *memctl = &immap->im_memctl; + long int size10 ; + + upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); + + /* Refresh clock prescalar */ + memctl->memc_mptpr = CFG_MPTPR ; + + memctl->memc_mar = 0x00000088; + + /* Map controller banks 1 to the SDRAM bank */ + memctl->memc_or1 = CFG_OR1_PRELIM; + memctl->memc_br1 = CFG_BR1_PRELIM; + + memctl->memc_mamr = CFG_MAMR_10COL & (~(MAMR_PTAE)); /* no refresh yet */ + + udelay(200); + + /* perform SDRAM initializsation sequence */ + + memctl->memc_mcr = 0x80002136 ; /* SDRAM bank 0 */ + udelay(1); + + memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ + + udelay (1000); + + /* Check Bank 0 Memory Size + * try 10 column mode + */ + + size10 = dram_size (CFG_MAMR_10COL, (ulong *)SDRAM_BASE_PRELIM, SDRAM_MAX_SIZE) ; + + return (size10); +} + +/* ------------------------------------------------------------------------- */ + +/* + * Check memory range for valid RAM. A simple memory test determines + * the actually available RAM size between addresses `base' and + * `base + maxsize'. Some (not all) hardware errors are detected: + * - short between address lines + * - short between data lines + */ + +static long int dram_size (long int mamr_value, long int *base, long int maxsize) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile memctl8xx_t *memctl = &immap->im_memctl; + volatile long int *addr; + ulong cnt, val; + ulong save[32]; /* to make test non-destructive */ + unsigned char i = 0; + + memctl->memc_mamr = mamr_value; + + for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) { + addr = base + cnt; /* pointer arith! */ + + save[i++] = *addr; + *addr = ~cnt; + } + + /* write 0 to base address */ + addr = base; + save[i] = *addr; + *addr = 0; + + /* check at base address */ + if ((val = *addr) != 0) { + *addr = save[i]; + return (0); + } + + for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) { + addr = base + cnt; /* pointer arith! */ + + val = *addr; + *addr = save[--i]; + + if (val != (~cnt)) { + return (cnt * sizeof(long)); + } + } + return (maxsize); +} diff --git a/board/rmu/u-boot.lds b/board/rmu/u-boot.lds new file mode 100644 index 0000000..c79a5a0 --- /dev/null +++ b/board/rmu/u-boot.lds @@ -0,0 +1,134 @@ +/* + * (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(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* 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/mpc8xx/start.o (.text) + common/dlmalloc.o (.text) + lib_ppc/ppcstring.o (.text) + lib_generic/vsprintf.o (.text) + lib_generic/crc32.o (.text) + lib_generic/zlib.o (.text) +/* XXX ? + . = 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) + _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 = .); + + __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) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} + diff --git a/board/rmu/u-boot.lds.debug b/board/rmu/u-boot.lds.debug new file mode 100644 index 0000000..22138f8 --- /dev/null +++ b/board/rmu/u-boot.lds.debug @@ -0,0 +1,131 @@ +/* + * (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(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* 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/mpc8xx/start.o (.text) + common/dlmalloc.o (.text) + lib_generic/vsprintf.o (.text) + lib_generic/crc32.o (.text) + + . = 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: */ + . = (. + 0x0FFF) & 0xFFFFF000; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _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 = .); + + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(4096); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} + diff --git a/board/tqm8xx/flash.c b/board/tqm8xx/flash.c index 6b4ea7d..98bea0e 100644 --- a/board/tqm8xx/flash.c +++ b/board/tqm8xx/flash.c @@ -21,6 +21,8 @@ * MA 02111-1307 USA */ +/* #define DEBUG */ + #include <common.h> #include <mpc8xx.h> @@ -53,8 +55,12 @@ unsigned long flash_init (void) /* Static FLASH Bank configuration here - FIXME XXX */ + debug ("\n## Get flash bank 1 size @ 0x%08x\n",FLASH_BASE0_PRELIM); + size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]); + debug ("## Get flash bank 2 size @ 0x%08x\n",FLASH_BASE1_PRELIM); + if (flash_info[0].flash_id == FLASH_UNKNOWN) { printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", size_b0, size_b0<<20); @@ -62,6 +68,8 @@ unsigned long flash_init (void) size_b1 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]); + debug ("## Prelim. Flash bank sizes: %08lx + 0x%08lx\n",size_b0,size_b1); + if (size_b1 > size_b0) { printf ("## ERROR: " "Bank 1 (0x%08lx = %ld MB) > Bank 0 (0x%08lx = %ld MB)\n", @@ -77,10 +85,19 @@ unsigned long flash_init (void) return (0); } + debug ("## Before remap: " + "BR0: 0x%08x OR0: 0x%08x " + "BR1: 0x%08x OR1: 0x%08x\n", + memctl->memc_br0, memctl->memc_or0, + memctl->memc_br1, memctl->memc_or1); + /* Remap FLASH according to real size */ memctl->memc_or0 = CFG_OR_TIMING_FLASH | (-size_b0 & OR_AM_MSK); memctl->memc_br0 = (CFG_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V; + debug ("## BR0: 0x%08x OR0: 0x%08x\n", + memctl->memc_br0, memctl->memc_or0); + /* Re-do sizing to get full correct info */ size_b0 = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]); @@ -105,6 +122,9 @@ unsigned long flash_init (void) memctl->memc_br1 = ((CFG_FLASH_BASE + size_b0) & BR_BA_MSK) | BR_MS_GPCM | BR_V; + debug ("## BR1: 0x%08x OR1: 0x%08x\n", + memctl->memc_br1, memctl->memc_or1); + /* Re-do sizing to get full correct info */ size_b1 = flash_get_size((vu_long *)(CFG_FLASH_BASE + size_b0), &flash_info[1]); @@ -129,8 +149,14 @@ unsigned long flash_init (void) flash_info[1].flash_id = FLASH_UNKNOWN; flash_info[1].sector_count = -1; + flash_info[1].size = 0; + + debug ("## DISABLE BR1: 0x%08x OR1: 0x%08x\n", + memctl->memc_br1, memctl->memc_or1); } + debug ("## Final Flash bank sizes: %08lx + 0x%08lx\n",size_b0,size_b1); + flash_info[0].size = size_b0; flash_info[1].size = size_b1; @@ -215,6 +241,8 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) value = addr[0]; + debug ("Manuf. ID @ 0x%08lx: 0x%08lx\n", (ulong)addr, value); + switch (value) { case AMD_MANUFACT: info->flash_id = FLASH_MAN_AMD; @@ -231,6 +259,8 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) value = addr[1]; /* device ID */ + debug ("Device ID @ 0x%08lx: 0x%08lx\n", (ulong)(&addr[1]), value); + switch (value) { case AMD_ID_LV400T: info->flash_id += FLASH_AM400T; @@ -278,6 +308,12 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) info->sector_count = 71; info->size = 0x00800000; break; /* => 8 MB */ + case AMD_ID_DL640: +debug ("## oops - same ID used for AM29LV128ML/H mirror bit flash ???\n"); + info->flash_id += FLASH_AMDL640; + info->sector_count = 142; + info->size = 0x00800000; + break; default: info->flash_id = FLASH_UNKNOWN; return (0); /* => no or unknown flash */ @@ -368,6 +404,8 @@ int flash_erase (flash_info_t *info, int s_first, int s_last) int flag, prot, sect, l_sect; ulong start, now, last; + debug ("flash_erase: first: %d last: %d\n", s_first, s_last); + if ((s_first < 0) || (s_first > s_last)) { if (info->flash_id == FLASH_UNKNOWN) { printf ("- missing\n"); |