From affae2bff825c1a8d2cfeaf7b270188d251d39d2 Mon Sep 17 00:00:00 2001 From: wdenk Date: Sat, 17 Aug 2002 09:36:01 +0000 Subject: Initial revision --- board/esd/adciop/flash.c | 113 +++++++ board/esd/common/flash.c | 646 ++++++++++++++++++++++++++++++++++++++ board/esd/cpci405/flash.c | 160 ++++++++++ board/esd/dasa_sim/cmd_dasa_sim.c | 236 ++++++++++++++ board/esd/dasa_sim/flash.c | 77 +++++ board/esd/du405/flash.c | 123 ++++++++ board/esd/ocrtc/flash.c | 156 +++++++++ board/esd/pci405/flash.c | 101 ++++++ 8 files changed, 1612 insertions(+) create mode 100644 board/esd/adciop/flash.c create mode 100644 board/esd/common/flash.c create mode 100644 board/esd/cpci405/flash.c create mode 100644 board/esd/dasa_sim/cmd_dasa_sim.c create mode 100644 board/esd/dasa_sim/flash.c create mode 100644 board/esd/du405/flash.c create mode 100644 board/esd/ocrtc/flash.c create mode 100644 board/esd/pci405/flash.c (limited to 'board/esd') diff --git a/board/esd/adciop/flash.c b/board/esd/adciop/flash.c new file mode 100644 index 0000000000..46ae03b3c0 --- /dev/null +++ b/board/esd/adciop/flash.c @@ -0,0 +1,113 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 +#include +#include + +/* + * include common flash code (for esd boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long *addr, flash_info_t *info); +static void flash_get_offsets (ulong base, flash_info_t *info); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + unsigned long size_b0, size_b1; + int i; + + /* Init: no FLASHes known */ + for (i=0; i size_b0) { + printf ("## ERROR: " + "Bank 1 (0x%08lx = %ld MB) > Bank 0 (0x%08lx = %ld MB)\n", + size_b1, size_b1<<20, + size_b0, size_b0<<20 + ); + flash_info[0].flash_id = FLASH_UNKNOWN; + flash_info[1].flash_id = FLASH_UNKNOWN; + flash_info[0].sector_count = -1; + flash_info[1].sector_count = -1; + flash_info[0].size = 0; + flash_info[1].size = 0; + return (0); + } + + /* Re-do sizing to get full correct info */ + size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]); + + flash_get_offsets (FLASH_BASE0_PRELIM, &flash_info[0]); + + /* monitor protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + FLASH_BASE0_PRELIM+size_b0-CFG_MONITOR_LEN, + FLASH_BASE0_PRELIM+size_b0-1, + &flash_info[0]); + + if (size_b1) { + /* Re-do sizing to get full correct info */ + size_b1 = flash_get_size((vu_long *)(FLASH_BASE0_PRELIM + size_b0), + &flash_info[1]); + + flash_get_offsets (FLASH_BASE0_PRELIM + size_b0, &flash_info[1]); + + /* monitor protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + FLASH_BASE0_PRELIM+size_b0+size_b1-CFG_MONITOR_LEN, + FLASH_BASE0_PRELIM+size_b0+size_b1-1, + &flash_info[1]); + /* monitor protection OFF by default (one is enough) */ + flash_protect(FLAG_PROTECT_CLEAR, + FLASH_BASE0_PRELIM+size_b0-CFG_MONITOR_LEN, + FLASH_BASE0_PRELIM+size_b0-1, + &flash_info[0]); + } else { + flash_info[1].flash_id = FLASH_UNKNOWN; + flash_info[1].sector_count = -1; + } + + flash_info[0].size = size_b0; + flash_info[1].size = size_b1; + + return (size_b0 + size_b1); +} diff --git a/board/esd/common/flash.c b/board/esd/common/flash.c new file mode 100644 index 0000000000..78a1e0f298 --- /dev/null +++ b/board/esd/common/flash.c @@ -0,0 +1,646 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 +#include +#include + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/*----------------------------------------------------------------------- + * Functions + */ +static int write_word (flash_info_t *info, ulong dest, ulong data); + +/*----------------------------------------------------------------------- + */ +static void flash_get_offsets (ulong base, flash_info_t *info) +{ + int i; + short n; + + /* set up sector start address table */ + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U)) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) { + /* set sector offsets for bottom boot block type */ + for (i=0; i<8; ++i) { /* 8 x 8k boot sectors */ + info->start[i] = base; + base += 8 << 10; + } + while (i < info->sector_count) { /* 64k regular sectors */ + info->start[i] = base; + base += 64 << 10; + ++i; + } + } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) { + /* set sector offsets for top boot block type */ + base += info->size; + i = info->sector_count; + for (n=0; n<8; ++n) { /* 8 x 8k boot sectors */ + base -= 8 << 10; + --i; + info->start[i] = base; + } + while (i > 0) { /* 64k regular sectors */ + base -= 64 << 10; + --i; + info->start[i] = base; + } + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } +} + +/*----------------------------------------------------------------------- + */ +void flash_print_info (flash_info_t *info) +{ + int i; + int k; + int size; + int erased; + volatile unsigned long *flash; + + 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; + case FLASH_MAN_SST: printf ("SST "); 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_AM320T: printf ("AM29LV320T (32 M, top sector)\n"); + break; + case FLASH_AM320B: printf ("AM29LV320B (32 M, bottom sector)\n"); + break; + case FLASH_AMDL322T: printf ("AM29DL322T (32 M, top sector)\n"); + break; + case FLASH_AMDL322B: printf ("AM29DL322B (32 M, bottom sector)\n"); + break; + case FLASH_AMDL323T: printf ("AM29DL323T (32 M, top sector)\n"); + break; + case FLASH_AMDL323B: printf ("AM29DL323B (32 M, bottom sector)\n"); + break; + case FLASH_AM640U: printf ("AM29LV640D (64 M, uniform sector)\n"); + break; + case FLASH_SST800A: printf ("SST39LF/VF800 (8 Mbit, uniform sector size)\n"); + break; + case FLASH_SST160A: printf ("SST39LF/VF160 (16 Mbit, uniform sector size)\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; isector_count; ++i) { +#ifdef CFG_FLASH_EMPTY_INFO + /* + * Check if whole sector is erased + */ + if (i != (info->sector_count-1)) + size = info->start[i+1] - info->start[i]; + else + size = info->start[0] + info->size - info->start[i]; + erased = 1; + flash = (volatile unsigned long *)info->start[i]; + size = size >> 2; /* divide by 4 for longword access */ + for (k=0; kstart[i], + erased ? " E" : " ", + info->protect[i] ? "RO " : " "); +#else + if ((i % 5) == 0) + printf ("\n "); + printf (" %08lX%s", + info->start[i], + info->protect[i] ? " (RO)" : " "); +#endif + + } + 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; + short n; + CFG_FLASH_WORD_SIZE value; + ulong base = (ulong)addr; + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *)addr; + + /* Write auto select command: read Manufacturer ID */ + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00900090; + + value = addr2[CFG_FLASH_READ0]; + + switch (value) { + case (CFG_FLASH_WORD_SIZE)AMD_MANUFACT: + info->flash_id = FLASH_MAN_AMD; + break; + case (CFG_FLASH_WORD_SIZE)FUJ_MANUFACT: + info->flash_id = FLASH_MAN_FUJ; + break; + case (CFG_FLASH_WORD_SIZE)SST_MANUFACT: + info->flash_id = FLASH_MAN_SST; + break; + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return (0); /* no or unknown flash */ + } + + value = addr2[CFG_FLASH_READ1]; /* device ID */ + + switch (value) { + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV400T: + info->flash_id += FLASH_AM400T; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV400B: + info->flash_id += FLASH_AM400B; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV800T: + info->flash_id += FLASH_AM800T; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV800B: + info->flash_id += FLASH_AM800B; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV160T: + info->flash_id += FLASH_AM160T; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV160B: + info->flash_id += FLASH_AM160B; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320T: + info->flash_id += FLASH_AM320T; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320B: + info->flash_id += FLASH_AM320B; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322T: + info->flash_id += FLASH_AMDL322T; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322B: + info->flash_id += FLASH_AMDL322B; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323T: + info->flash_id += FLASH_AMDL323T; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323B: + info->flash_id += FLASH_AMDL323B; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV640U: + info->flash_id += FLASH_AM640U; + info->sector_count = 128; + info->size = 0x00800000; break; /* => 8 MB */ + + case (CFG_FLASH_WORD_SIZE)SST_ID_xF800A: + info->flash_id += FLASH_SST800A; + info->sector_count = 16; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_WORD_SIZE)SST_ID_xF160A: + info->flash_id += FLASH_SST160A; + info->sector_count = 32; + info->size = 0x00200000; + break; /* => 2 MB */ + + default: + info->flash_id = FLASH_UNKNOWN; + return (0); /* => no or unknown flash */ + + } + + /* set up sector start address table */ + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U)) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) { + /* set sector offsets for bottom boot block type */ + for (i=0; i<8; ++i) { /* 8 x 8k boot sectors */ + info->start[i] = base; + base += 8 << 10; + } + while (i < info->sector_count) { /* 64k regular sectors */ + info->start[i] = base; + base += 64 << 10; + ++i; + } + } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) { + /* set sector offsets for top boot block type */ + base += info->size; + i = info->sector_count; + for (n=0; n<8; ++n) { /* 8 x 8k boot sectors */ + base -= 8 << 10; + --i; + info->start[i] = base; + } + while (i > 0) { /* 64k regular sectors */ + base -= 64 << 10; + --i; + info->start[i] = base; + } + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } + + /* 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 */ + addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]); + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) + info->protect[i] = 0; + else + info->protect[i] = addr2[CFG_FLASH_READ2] & 1; + } + + /* + * Prevent writes to uninitialized FLASH. + */ + if (info->flash_id != FLASH_UNKNOWN) { + addr2 = (CFG_FLASH_WORD_SIZE *)info->start[0]; + *addr2 = (CFG_FLASH_WORD_SIZE)0x00F000F0; /* reset bank */ + } + + return (info->size); +} + + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t *info, int s_first, int s_last) +{ + volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *)(info->start[0]); + volatile CFG_FLASH_WORD_SIZE *addr2; + int flag, prot, sect, l_sect; + ulong start, now, last; + int i; + + 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) { + printf ("Can't erase unknown flash type - aborted\n"); + 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(); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect<=s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + addr2 = (CFG_FLASH_WORD_SIZE *)(info->start[sect]); + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00800080; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr2[0] = (CFG_FLASH_WORD_SIZE)0x00500050; /* block erase */ + for (i=0; i<50; i++) + udelay(1000); /* wait 1 ms */ + } else { + if (sect == s_first) { + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00800080; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + } + addr2[0] = (CFG_FLASH_WORD_SIZE)0x00300030; /* sector erase */ + } + 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 = (CFG_FLASH_WORD_SIZE *)(info->start[l_sect]); + while ((addr[0] & (CFG_FLASH_WORD_SIZE)0x00800080) != (CFG_FLASH_WORD_SIZE)0x00800080) { + 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 = (CFG_FLASH_WORD_SIZE *)info->start[0]; + addr[0] = (CFG_FLASH_WORD_SIZE)0x00F000F0; /* 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; i0; ++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) +{ + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *)(info->start[0]); + volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *)dest; + volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *)&data; + ulong start; + int flag; + int i; + + /* Check if Flash is (sufficiently) erased */ + if ((*((volatile CFG_FLASH_WORD_SIZE *)dest) & + (CFG_FLASH_WORD_SIZE)data) != (CFG_FLASH_WORD_SIZE)data) { + return (2); + } + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + for (i=0; i<4/sizeof(CFG_FLASH_WORD_SIZE); i++) + { + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00A000A0; + + dest2[i] = data2[i]; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* data polling for D7 */ + start = get_timer (0); + while ((dest2[i] & (CFG_FLASH_WORD_SIZE)0x00800080) != + (data2[i] & (CFG_FLASH_WORD_SIZE)0x00800080)) { + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + return (1); + } + } + } + + return (0); +} + +/*----------------------------------------------------------------------- + */ diff --git a/board/esd/cpci405/flash.c b/board/esd/cpci405/flash.c new file mode 100644 index 0000000000..70f7de4f08 --- /dev/null +++ b/board/esd/cpci405/flash.c @@ -0,0 +1,160 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 +#include +#include + +/* + * include common flash code (for esd boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long * addr, flash_info_t * info); +static void flash_get_offsets (ulong base, flash_info_t * info); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + unsigned long size_b0, size_b1; + int i; + uint pbcr; + unsigned long base_b0, base_b1; + int size_val = 0; + + /* 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 */ + + base_b0 = FLASH_BASE0_PRELIM; + size_b0 = flash_get_size ((vu_long *) base_b0, &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); + } + + base_b1 = FLASH_BASE1_PRELIM; + size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]); + + /* Re-do sizing to get full correct info */ + + if (size_b1) { + mtdcr (ebccfga, pb0cr); + pbcr = mfdcr (ebccfgd); + mtdcr (ebccfga, pb0cr); + base_b1 = -size_b1; + switch (size_b1) { + case 1 << 20: + size_val = 0; + break; + case 2 << 20: + size_val = 1; + break; + case 4 << 20: + size_val = 2; + break; + case 8 << 20: + size_val = 3; + break; + case 16 << 20: + size_val = 4; + break; + default: + size_val = 0; + break; + + } + pbcr = (pbcr & 0x0001ffff) | base_b1 | (size_val << 17); + mtdcr (ebccfgd, pbcr); + /* printf("pb1cr = %x\n", pbcr); */ + } + + if (size_b0) { + mtdcr (ebccfga, pb1cr); + pbcr = mfdcr (ebccfgd); + mtdcr (ebccfga, pb1cr); + base_b0 = base_b1 - size_b0; + switch (size_b1) { + case 1 << 20: + size_val = 0; + break; + case 2 << 20: + size_val = 1; + break; + case 4 << 20: + size_val = 2; + break; + case 8 << 20: + size_val = 3; + break; + case 16 << 20: + size_val = 4; + break; + } + pbcr = (pbcr & 0x0001ffff) | base_b0 | (size_val << 17); + mtdcr (ebccfgd, pbcr); + /* printf("pb0cr = %x\n", pbcr); */ + } + + size_b0 = flash_get_size ((vu_long *) base_b0, &flash_info[0]); + + flash_get_offsets (base_b0, &flash_info[0]); + + /* monitor protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + base_b0 + size_b0 - CFG_MONITOR_LEN, + base_b0 + size_b0 - 1, &flash_info[0]); + + if (size_b1) { + /* Re-do sizing to get full correct info */ + size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]); + + flash_get_offsets (base_b1, &flash_info[1]); + + /* monitor protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + base_b1 + size_b1 - CFG_MONITOR_LEN, + base_b1 + size_b1 - 1, &flash_info[1]); + /* monitor protection OFF by default (one is enough) */ + flash_protect (FLAG_PROTECT_CLEAR, + base_b0 + size_b0 - CFG_MONITOR_LEN, + base_b0 + size_b0 - 1, &flash_info[0]); + } else { + flash_info[1].flash_id = FLASH_UNKNOWN; + flash_info[1].sector_count = -1; + } + + flash_info[0].size = size_b0; + flash_info[1].size = size_b1; + + return (size_b0 + size_b1); +} diff --git a/board/esd/dasa_sim/cmd_dasa_sim.c b/board/esd/dasa_sim/cmd_dasa_sim.c new file mode 100644 index 0000000000..4608da71a0 --- /dev/null +++ b/board/esd/dasa_sim/cmd_dasa_sim.c @@ -0,0 +1,236 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 +#include +#include + +#define OK 0 +#define ERROR (-1) + +#define TRUE 1 +#define FALSE 0 + + +extern u_long pci9054_iobase; + + +/*************************************************************************** + * + * Routines for PLX PCI9054 eeprom access + * + */ + +static unsigned int PciEepromReadLongVPD(int offs) +{ + unsigned int value; + unsigned int ret; + int count; + + pci_write_config_dword(CFG_PCI9054_DEV_FN, 0x4c, (offs<<16) | 0x0003); + count = 0; + + for (;;) + { + udelay(10 * 1000); + pci_read_config_dword(CFG_PCI9054_DEV_FN, 0x4c, &ret); + if ((ret & 0x80000000) != 0) + { + break; + } + else + { + count++; + if (count > 10) + { + printf("\nTimeout: ret=%08x - Please try again!\n", ret); + break; + } + } + } + + pci_read_config_dword(CFG_PCI9054_DEV_FN, 0x50, &value); + + return value; +} + + +static int PciEepromWriteLongVPD(int offs, unsigned int value) +{ + unsigned int ret; + int count; + + pci_write_config_dword(CFG_PCI9054_DEV_FN, 0x50, value); + pci_write_config_dword(CFG_PCI9054_DEV_FN, 0x4c, (offs<<16) | 0x80000003); + count = 0; + + for (;;) + { + udelay(10 * 1000); + pci_read_config_dword(CFG_PCI9054_DEV_FN, 0x4c, &ret); + if ((ret & 0x80000000) == 0) + { + break; + } + else + { + count++; + if (count > 10) + { + printf("\nTimeout: ret=%08x - Please try again!\n", ret); + break; + } + } + } + + return TRUE; +} + + +static void showPci9054(void) +{ + int val; + int l, i; + + /* read 9054-values */ + for (l=0; l<6; l++) + { + printf("%02x: ", l*0x10); + for (i=0; i<4; i++) + { + pci_read_config_dword(CFG_PCI9054_DEV_FN, l*16+i*4, &val); + printf("%08x ", val); + } + printf("\n"); + } + printf("\n"); + + for (l=0; l<7; l++) + { + printf("%02x: ", l*0x10); + for (i=0; i<4; i++) + printf("%08x ", PciEepromReadLongVPD((i+l*4)*4)); + printf("\n"); + } + printf("\n"); +} + + +static void updatePci9054(void) +{ + int val; + + /* + * Set EEPROM write-protect register to 0 + */ + out32(pci9054_iobase+0x0c, in32(pci9054_iobase+0x0c) & 0xffff00ff); + + /* Long Serial EEPROM Load Registers... */ + val = PciEepromWriteLongVPD(0x00, 0x905410b5); + val = PciEepromWriteLongVPD(0x04, 0x09800001); /* other input controller */ + val = PciEepromWriteLongVPD(0x08, 0x28140100); + + val = PciEepromWriteLongVPD(0x0c, 0x00000000); /* MBOX0... */ + val = PciEepromWriteLongVPD(0x10, 0x00000000); + + /* las0: fpga access (0x0000.0000 ... 0x0003.ffff) */ + val = PciEepromWriteLongVPD(0x14, 0xfffc0000); /* LAS0RR... */ + val = PciEepromWriteLongVPD(0x18, 0x00000001); /* LAS0BA */ + + val = PciEepromWriteLongVPD(0x1c, 0x00200000); /* MARBR... */ + val = PciEepromWriteLongVPD(0x20, 0x00300500); /* LMISC/BIGEND */ + + val = PciEepromWriteLongVPD(0x24, 0x00000000); /* EROMRR... */ + val = PciEepromWriteLongVPD(0x28, 0x00000000); /* EROMBA */ + + val = PciEepromWriteLongVPD(0x2c, 0x43030000); /* LBRD0... */ + + val = PciEepromWriteLongVPD(0x30, 0x00000000); /* DMRR... */ + val = PciEepromWriteLongVPD(0x34, 0x00000000); + val = PciEepromWriteLongVPD(0x38, 0x00000000); + + val = PciEepromWriteLongVPD(0x3c, 0x00000000); /* DMPBAM... */ + val = PciEepromWriteLongVPD(0x40, 0x00000000); + + /* Extra Long Serial EEPROM Load Registers... */ + val = PciEepromWriteLongVPD(0x44, 0x010212fe); /* PCISID... */ + + /* las1: 505-sram access (0x0004.0000 ... 0x001f.ffff) */ + /* Offset to LAS1: Group 1: 0x00040000 */ + /* Group 2: 0x00080000 */ + /* Group 3: 0x000c0000 */ + val = PciEepromWriteLongVPD(0x48, 0xffe00000); /* LAS1RR */ + val = PciEepromWriteLongVPD(0x4c, 0x00040001); /* LAS1BA */ + val = PciEepromWriteLongVPD(0x50, 0x00000208); /* LBRD1 */ /* so wars bisher */ + + val = PciEepromWriteLongVPD(0x54, 0x00004c06); /* HotSwap... */ + + printf("Finished writing defaults into PLX PCI9054 EEPROM!\n"); +} + + +static void clearPci9054(void) +{ + int val; + + /* + * Set EEPROM write-protect register to 0 + */ + out32(pci9054_iobase+0x0c, in32(pci9054_iobase+0x0c) & 0xffff00ff); + + /* Long Serial EEPROM Load Registers... */ + val = PciEepromWriteLongVPD(0x00, 0xffffffff); + val = PciEepromWriteLongVPD(0x04, 0xffffffff); /* other input controller */ + + printf("Finished clearing PLX PCI9054 EEPROM!\n"); +} + + +/* ------------------------------------------------------------------------- */ +int do_pci9054(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) +{ + if (strcmp(argv[1], "info") == 0) + { + showPci9054(); + return 0; + } + + if (strcmp(argv[1], "update") == 0) + { + updatePci9054(); + return 0; + } + + if (strcmp(argv[1], "clear") == 0) + { + clearPci9054(); + return 0; + } + + printf("Usage:\n%s\n", cmdtp->usage); + return 1; + +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/esd/dasa_sim/flash.c b/board/esd/dasa_sim/flash.c new file mode 100644 index 0000000000..2574eac7fd --- /dev/null +++ b/board/esd/dasa_sim/flash.c @@ -0,0 +1,77 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 +#include +#include + +/* + * include common flash code (for esd boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long *addr, flash_info_t *info); +static void flash_get_offsets (ulong base, flash_info_t *info); + + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + unsigned long size_b0; + int i; + unsigned long base_b0; + + /* Init: no FLASHes known */ + for (i=0; i +#include +#include + +/* + * include common flash code (for esd boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long * addr, flash_info_t * info); +static void flash_get_offsets (ulong base, flash_info_t * info); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + unsigned long size_b0, size_b1; + int i; + uint pbcr; + unsigned long base_b0, base_b1; + + /* 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 */ + + base_b0 = FLASH_BASE0_PRELIM; + size_b0 = flash_get_size ((vu_long *) base_b0, &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); + } + + base_b1 = FLASH_BASE1_PRELIM; + size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]); + + /* Re-do sizing to get full correct info */ + + if (size_b1) { + mtdcr (ebccfga, pb0cr); + pbcr = mfdcr (ebccfgd); + mtdcr (ebccfga, pb0cr); + base_b1 = -size_b1; + pbcr = (pbcr & 0x0001ffff) | base_b1 | + (((size_b1 / 1024 / 1024) - 1) << 17); + mtdcr (ebccfgd, pbcr); + /* printf("pb1cr = %x\n", pbcr); */ + } + + if (size_b0) { + mtdcr (ebccfga, pb1cr); + pbcr = mfdcr (ebccfgd); + mtdcr (ebccfga, pb1cr); + base_b0 = base_b1 - size_b0; + pbcr = (pbcr & 0x0001ffff) | base_b0 | + (((size_b0 / 1024 / 1024) - 1) << 17); + mtdcr (ebccfgd, pbcr); + /* printf("pb0cr = %x\n", pbcr); */ + } + + size_b0 = flash_get_size ((vu_long *) base_b0, &flash_info[0]); + + flash_get_offsets (base_b0, &flash_info[0]); + + /* monitor protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + base_b0 + size_b0 - CFG_MONITOR_LEN, + base_b0 + size_b0 - 1, &flash_info[0]); + + if (size_b1) { + /* Re-do sizing to get full correct info */ + size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]); + + flash_get_offsets (base_b1, &flash_info[1]); + + /* monitor protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + base_b1 + size_b1 - CFG_MONITOR_LEN, + base_b1 + size_b1 - 1, &flash_info[1]); + /* monitor protection OFF by default (one is enough) */ + flash_protect (FLAG_PROTECT_CLEAR, + base_b0 + size_b0 - CFG_MONITOR_LEN, + base_b0 + size_b0 - 1, &flash_info[0]); + } else { + flash_info[1].flash_id = FLASH_UNKNOWN; + flash_info[1].sector_count = -1; + } + + flash_info[0].size = size_b0; + flash_info[1].size = size_b1; + + return (size_b0 + size_b1); +} diff --git a/board/esd/ocrtc/flash.c b/board/esd/ocrtc/flash.c new file mode 100644 index 0000000000..90965eadf5 --- /dev/null +++ b/board/esd/ocrtc/flash.c @@ -0,0 +1,156 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 +#include +#include + +/* + * include common flash code (for esd boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long * addr, flash_info_t * info); +static void flash_get_offsets (ulong base, flash_info_t * info); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + unsigned long size_b0, size_b1; + int i; + uint pbcr; + unsigned long base_b0, base_b1; + int size_val = 0; + + /* 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 */ + + base_b0 = FLASH_BASE0_PRELIM; + size_b0 = flash_get_size ((vu_long *) base_b0, &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); + } + + base_b1 = FLASH_BASE1_PRELIM; + size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]); + + /* Re-do sizing to get full correct info */ + + if (size_b1) { + mtdcr (ebccfga, pb0cr); + pbcr = mfdcr (ebccfgd); + mtdcr (ebccfga, pb0cr); + base_b1 = -size_b1; + switch (size_b1) { + case 1 << 20: + size_val = 0; + break; + case 2 << 20: + size_val = 1; + break; + case 4 << 20: + size_val = 2; + break; + case 8 << 20: + size_val = 3; + break; + case 16 << 20: + size_val = 4; + break; + } + pbcr = (pbcr & 0x0001ffff) | base_b1 | (size_val << 17); + mtdcr (ebccfgd, pbcr); + /* printf("pb1cr = %x\n", pbcr); */ + } + + if (size_b0) { + mtdcr (ebccfga, pb1cr); + pbcr = mfdcr (ebccfgd); + mtdcr (ebccfga, pb1cr); + base_b0 = base_b1 - size_b0; + switch (size_b1) { + case 1 << 20: + size_val = 0; + break; + case 2 << 20: + size_val = 1; + break; + case 4 << 20: + size_val = 2; + break; + case 8 << 20: + size_val = 3; + break; + case 16 << 20: + size_val = 4; + break; + } + pbcr = (pbcr & 0x0001ffff) | base_b0 | (size_val << 17); + mtdcr (ebccfgd, pbcr); + /* printf("pb0cr = %x\n", pbcr); */ + } + + size_b0 = flash_get_size ((vu_long *) base_b0, &flash_info[0]); + + flash_get_offsets (base_b0, &flash_info[0]); + + /* monitor protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + base_b0 + size_b0 - CFG_MONITOR_LEN, + base_b0 + size_b0 - 1, &flash_info[0]); + + if (size_b1) { + /* Re-do sizing to get full correct info */ + size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]); + + flash_get_offsets (base_b1, &flash_info[1]); + + /* monitor protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + base_b1 + size_b1 - CFG_MONITOR_LEN, + base_b1 + size_b1 - 1, &flash_info[1]); + /* monitor protection OFF by default (one is enough) */ + flash_protect (FLAG_PROTECT_CLEAR, + base_b0 + size_b0 - CFG_MONITOR_LEN, + base_b0 + size_b0 - 1, &flash_info[0]); + } else { + flash_info[1].flash_id = FLASH_UNKNOWN; + flash_info[1].sector_count = -1; + } + + flash_info[0].size = size_b0; + flash_info[1].size = size_b1; + + return (size_b0 + size_b1); +} diff --git a/board/esd/pci405/flash.c b/board/esd/pci405/flash.c new file mode 100644 index 0000000000..f904affc4f --- /dev/null +++ b/board/esd/pci405/flash.c @@ -0,0 +1,101 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 +#include +#include + +/* + * include common flash code (for esd boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long * addr, flash_info_t * info); +static void flash_get_offsets (ulong base, flash_info_t * info); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + unsigned long size_b0; + int i; + uint pbcr; + unsigned long base_b0; + int size_val = 0; + + /* Init: no FLASHes known */ + for (i=0; i