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Diffstat (limited to 'board/amcc/acadia/flash.c')
-rw-r--r--board/amcc/acadia/flash.c1108
1 files changed, 0 insertions, 1108 deletions
diff --git a/board/amcc/acadia/flash.c b/board/amcc/acadia/flash.c
deleted file mode 100644
index 39a11f9..0000000
--- a/board/amcc/acadia/flash.c
+++ /dev/null
@@ -1,1108 +0,0 @@
-/*
- * (C) Copyright 2004-2005
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2002 Jun Gu <jung@artesyncp.com>
- * Add support for Am29F016D and dynamic switch setting.
- *
- * 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
- */
-
-/*
- * Modified 4/5/2001
- * Wait for completion of each sector erase command issued
- * 4/5/2001
- * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
- */
-
-#include <common.h>
-#include <ppc4xx.h>
-#include <asm/processor.h>
-
-#ifdef DEBUG
-#define DEBUGF(x...) printf(x)
-#else
-#define DEBUGF(x...)
-#endif /* DEBUG */
-
-flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
-
-/*
- * Mark big flash bank (16 bit instead of 8 bit access) in address with bit 0
- */
-static unsigned long flash_addr_table[][CFG_MAX_FLASH_BANKS] = {
- {0xffc00001}, /* 0:boot from big flash */
-};
-
-/*
- * include common flash code (for amcc boards)
- */
-/*-----------------------------------------------------------------------
- * Functions
- */
-static int write_word(flash_info_t * info, ulong dest, ulong data);
-#ifdef CFG_FLASH_2ND_16BIT_DEV
-static int write_word_1(flash_info_t * info, ulong dest, ulong data);
-static int write_word_2(flash_info_t * info, ulong dest, ulong data);
-static int flash_erase_1(flash_info_t * info, int s_first, int s_last);
-static int flash_erase_2(flash_info_t * info, int s_first, int s_last);
-static ulong flash_get_size_1(vu_long * addr, flash_info_t * info);
-static ulong flash_get_size_2(vu_long * addr, flash_info_t * info);
-#endif
-
-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_STM:
- printf("STM ");
- break;
- case FLASH_MAN_FUJ:
- printf("FUJITSU ");
- break;
- case FLASH_MAN_SST:
- printf("SST ");
- break;
- case FLASH_MAN_MX:
- printf("MIXC ");
- break;
- default:
- printf("Unknown Vendor ");
- break;
- }
-
- switch (info->flash_id & FLASH_TYPEMASK) {
- case FLASH_AM040:
- printf("AM29F040 (512 Kbit, uniform sector size)\n");
- break;
- 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_AMD016:
- printf("AM29F016D (16 Mbit, uniform sector size)\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;
- case FLASH_AM033C:
- printf("AM29LV033C (32 Mbit, top boot 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;
- case FLASH_STMW320DT:
- printf ("M29W320DT (32 M, top sector)\n");
- break;
- case FLASH_MXLV320T:
- printf ("MXLV320T (32 Mbit, top sector)\n");
- break;
- default:
- printf("Unknown Chip Type\n");
- break;
- }
-
- 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) {
- /*
- * 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; k < size; k++) {
- if (*flash++ != 0xffffffff) {
- erased = 0;
- break;
- }
- }
-
- if ((i % 5) == 0)
- printf("\n ");
- printf(" %08lX%s%s",
- info->start[i],
- erased ? " E" : " ", info->protect[i] ? "RO " : " ");
- }
- printf("\n");
- return;
-}
-
-/*
- * The following code cannot be run from FLASH!
- */
-#ifdef CFG_FLASH_2ND_16BIT_DEV
-static ulong flash_get_size(vu_long * addr, flash_info_t * info)
-{
- /* bit 0 used for big flash marking */
- if ((ulong)addr & 0x1) {
- return flash_get_size_2((vu_long *)((ulong)addr & 0xfffffffe), info);
- } else {
- return flash_get_size_1(addr, info);
- }
-}
-
-static ulong flash_get_size_1(vu_long * addr, flash_info_t * info)
-#else
-static ulong flash_get_size(vu_long * addr, flash_info_t * info)
-#endif
-{
- short i;
- CFG_FLASH_WORD_SIZE value;
- ulong base = (ulong) addr;
- volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr;
-
- DEBUGF("FLASH ADDR: %08x\n", (unsigned)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;
- udelay(1000);
-
- value = addr2[0];
- DEBUGF("FLASH MANUFACT: %x\n", value);
-
- 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;
- case (CFG_FLASH_WORD_SIZE) STM_MANUFACT:
- info->flash_id = FLASH_MAN_STM;
- break;
- default:
- info->flash_id = FLASH_UNKNOWN;
- info->sector_count = 0;
- info->size = 0;
- return (0); /* no or unknown flash */
- }
-
- value = addr2[1]; /* device ID */
- DEBUGF("\nFLASH DEVICEID: %x\n", value);
-
- switch (value) {
- case (CFG_FLASH_WORD_SIZE) AMD_ID_LV040B:
- info->flash_id += FLASH_AM040;
- info->sector_count = 8;
- info->size = 0x0080000; /* => 512 ko */
- break;
-
- case (CFG_FLASH_WORD_SIZE) AMD_ID_F040B:
- info->flash_id += FLASH_AM040;
- info->sector_count = 8;
- info->size = 0x0080000; /* => 512 ko */
- break;
-
- case (CFG_FLASH_WORD_SIZE) STM_ID_M29W040B:
- info->flash_id += FLASH_AM040;
- info->sector_count = 8;
- info->size = 0x0080000; /* => 512 ko */
- break;
-
- case (CFG_FLASH_WORD_SIZE) AMD_ID_F016D:
- info->flash_id += FLASH_AMD016;
- info->sector_count = 32;
- info->size = 0x00200000;
- break; /* => 2 MB */
-
- case (CFG_FLASH_WORD_SIZE) AMD_ID_LV033C:
- info->flash_id += FLASH_AMDLV033C;
- info->sector_count = 64;
- info->size = 0x00400000;
- break; /* => 4 MB */
-
- 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 */
-
- 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_AM040) ||
- ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) {
- for (i = 0; i < info->sector_count; i++)
- info->start[i] = base + (i * 0x00010000);
- } 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]);
-
- /* For AMD29033C flash we need to resend the command of *
- * reading flash protection for upper 8 Mb of flash */
- if (i == 32) {
- addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA;
- addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555;
- addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090;
- }
-
- if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
- info->protect[i] = 0;
- else
- info->protect[i] = addr2[2] & 1;
- }
-
- /* issue bank reset to return to read mode */
- addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0;
-
- return (info->size);
-}
-
-static int wait_for_DQ7_1(flash_info_t * info, int sect)
-{
- ulong start, now, last;
- volatile CFG_FLASH_WORD_SIZE *addr =
- (CFG_FLASH_WORD_SIZE *) (info->start[sect]);
-
- start = get_timer(0);
- last = start;
- 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;
- }
- }
- return 0;
-}
-
-#ifdef CFG_FLASH_2ND_16BIT_DEV
-int flash_erase(flash_info_t * info, int s_first, int s_last)
-{
- if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
- ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
- ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) ||
- ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T)) {
- return flash_erase_2(info, s_first, s_last);
- } else {
- return flash_erase_1(info, s_first, s_last);
- }
-}
-
-static int flash_erase_1(flash_info_t * info, int s_first, int s_last)
-#else
-int flash_erase(flash_info_t * info, int s_first, int s_last)
-#endif
-{
- 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;
- 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 {
- 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;
- /*
- * Wait for each sector to complete, it's more
- * reliable. According to AMD Spec, you must
- * issue all erase commands within a specified
- * timeout. This has been seen to fail, especially
- * if printf()s are included (for debug)!!
- */
- wait_for_DQ7_1(info, sect);
- }
- }
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
-
- /* wait at least 80us - let's wait 1 ms */
- udelay(1000);
-
- /* 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; 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));
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-#ifdef CFG_FLASH_2ND_16BIT_DEV
-static int write_word(flash_info_t * info, ulong dest, ulong data)
-{
- if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
- ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
- ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) ||
- ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T)) {
- return write_word_2(info, dest, data);
- } else {
- return write_word_1(info, dest, data);
- }
-}
-
-static int write_word_1(flash_info_t * info, ulong dest, ulong data)
-#else
-static int write_word(flash_info_t * info, ulong dest, ulong data)
-#endif
-{
- 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 i;
-
- /* Check if Flash is (sufficiently) erased */
- if ((*((vu_long *)dest) & data) != data) {
- return (2);
- }
-
- for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) {
- int flag;
-
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts();
-
- 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);
-}
-
-#ifdef CFG_FLASH_2ND_16BIT_DEV
-
-#undef CFG_FLASH_WORD_SIZE
-#define CFG_FLASH_WORD_SIZE unsigned short
-
-/*
- * The following code cannot be run from FLASH!
- */
-static ulong flash_get_size_2(vu_long * addr, flash_info_t * info)
-{
- short i;
- int n;
- CFG_FLASH_WORD_SIZE value;
- ulong base = (ulong) addr;
- volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr;
-
- DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr);
-
- /* issue bank reset to return to read mode */
- addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0;
- /* 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;
- udelay(1000);
-
- value = addr2[0];
- DEBUGF("FLASH MANUFACT: %x\n", value);
-
-#if 0 /* TODO: remove ifdef when Flash responds correctly */
- 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;
- case (CFG_FLASH_WORD_SIZE) STM_MANUFACT:
- info->flash_id = FLASH_MAN_STM;
- break;
- case (CFG_FLASH_WORD_SIZE) MX_MANUFACT:
- info->flash_id = FLASH_MAN_MX;
- break;
- default:
- info->flash_id = FLASH_UNKNOWN;
- info->sector_count = 0;
- info->size = 0;
- return (0); /* no or unknown flash */
- }
-#endif /* TODO: remove ifdef when Flash responds correctly */
-
- /*
- * TODO: Start
- * uncomment block above when Flash responds correctly.
- * also remove the lines below:
- */
- info->flash_id = FLASH_MAN_AMD;
- DEBUGF("FLASH MANUFACT: FLASH_MAN_AMD\n");
- /* TODO: End */
-
- value = addr2[1]; /* device ID */
-
- DEBUGF("\nFLASH DEVICEID: %x\n", value);
-
-#if 0 /* TODO: remove ifdef when Flash responds correctly */
- switch (value) {
-
- 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)STM_ID_29W320DT:
- info->flash_id += FLASH_STMW320DT;
- info->sector_count = 67;
- info->size = 0x00400000; break; /* => 4 MB */
-
- case (CFG_FLASH_WORD_SIZE)MX_ID_LV320T:
- info->flash_id += FLASH_MXLV320T;
- info->sector_count = 71;
- info->size = 0x00400000; break; /* => 4 MB */
-
- default:
- info->flash_id = FLASH_UNKNOWN;
- return (0); /* => no or unknown flash */
- }
-#endif /* TODO: remove ifdef when Flash responds correctly */
-
- /*
- * TODO: Start
- * uncomment block above when Flash responds correctly.
- * also remove the lines below:
- */
- DEBUGF("\nFLASH DEVICEID: FLASH_AM320T\n");
- info->flash_id += FLASH_AM320T;
- info->sector_count = 71;
- info->size = 0x00400000; /* => 4 MB */
- /* TODO: End */
-
- /* set up sector start address table */
- if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
- ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) ||
- ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) {
- for (i = 0; i < info->sector_count; i++)
- info->start[i] = base + (i * 0x00010000);
- } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) {
- /* set sector offsets for top boot block type */
- base += info->size;
- i = info->sector_count;
- /* 1 x 16k boot sector */
- base -= 16 << 10;
- --i;
- info->start[i] = base;
- /* 2 x 8k boot sectors */
- for (n=0; n<2; ++n) {
- base -= 8 << 10;
- --i;
- info->start[i] = base;
- }
- /* 1 x 32k boot sector */
- base -= 32 << 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_TYPEMASK) == FLASH_MXLV320T) ||
- ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ) {
- i = info->sector_count - 1;
- info->start[i--] = base + info->size - 0x00002000;
- info->start[i--] = base + info->size - 0x00004000;
- info->start[i--] = base + info->size - 0x00006000;
- info->start[i--] = base + info->size - 0x00008000;
- info->start[i--] = base + info->size - 0x0000a000;
- info->start[i--] = base + info->size - 0x0000c000;
- info->start[i--] = base + info->size - 0x0000e000;
- info->start[i--] = base + info->size - 0x00010000;
- for (; i >= 0; i--) {
- info->start[i] = base + i * 0x00010000;
- }
- }
- 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]);
-
- /* For AMD29033C flash we need to resend the command of *
- * reading flash protection for upper 8 Mb of flash */
- if (i == 32) {
- addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA;
- addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555;
- addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090;
- }
-
- if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
- info->protect[i] = 0;
- else
- info->protect[i] = addr2[2] & 1;
- }
-
- /* issue bank reset to return to read mode */
- addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0;
-
- return (info->size);
-}
-
-/*
- * TODO: FIX: this wait loop sometimes fails: DQ7 indicates the erase command
- * never was accepted (i.e. didn't start) - why????
- */
-static int wait_for_DQ7_2(flash_info_t * info, int sect)
-{
- ulong start, now, last, counter = 0;
- volatile CFG_FLASH_WORD_SIZE *addr =
- (CFG_FLASH_WORD_SIZE *) (info->start[sect]);
-
- start = get_timer(0);
- DEBUGF("DQ7_2: start = 0x%08lx\n", start);
- last = start;
- while ((addr[0] & (CFG_FLASH_WORD_SIZE) 0x00800080) !=
- (CFG_FLASH_WORD_SIZE) 0x00800080) {
- DEBUGF("DQ7_2: start = 0x%08lx, now = 0x%08lx\n", start, now);
- 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;
- }
- udelay(1000000); /* 1 sec */
- putc('.');
- counter++;
- if (counter > 5) {
- return -1;
- }
- DEBUGF("DQ7_2: now = 0x%08lx, last = 0x%08lx\n", now, last);
- }
- return 0;
-}
-
-static void wr_flash_cmd(ulong sector, ushort addr, CFG_FLASH_WORD_SIZE value)
-{
- int fw_size;
-
- fw_size = sizeof(value);
- switch (fw_size)
- {
- case 1:
- out8((ulong)(sector + addr), value);
- break;
- case 2:
- out16((ulong)(sector + (addr << 1)), value);
- break;
- default:
- printf("flash_erase: error incorrect chip programing size.\n");
- }
- return;
-}
-
-static int flash_erase_2(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, count = 0;
- 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, count = 0; 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 {
- /*
- * TODO: fix code
- */
- wr_flash_cmd((ulong)addr, 0, (CFG_FLASH_WORD_SIZE) 0x00F000F0);
- wr_flash_cmd((ulong)addr, CFG_FLASH_ADDR0, (CFG_FLASH_WORD_SIZE) 0x00AA00AA);
- wr_flash_cmd((ulong)addr, CFG_FLASH_ADDR1, (CFG_FLASH_WORD_SIZE) 0x00550055);
- wr_flash_cmd((ulong)addr, CFG_FLASH_ADDR0, (CFG_FLASH_WORD_SIZE) 0x00800080);
- wr_flash_cmd((ulong)addr, CFG_FLASH_ADDR0, (CFG_FLASH_WORD_SIZE) 0x00AA00AA);
- wr_flash_cmd((ulong)addr, CFG_FLASH_ADDR1, (CFG_FLASH_WORD_SIZE) 0x00550055);
- wr_flash_cmd((ulong)addr2, 0, (CFG_FLASH_WORD_SIZE) 0x00300030);
- udelay(2000000); /* 2 sec */
- wr_flash_cmd((ulong)addr, 0, (CFG_FLASH_WORD_SIZE) 0x00F000F0);
-
-#if 0
- 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 */
-#endif
- }
- l_sect = sect;
- printf("..");
- printf("..");
- /*
- * Wait for each sector to complete, it's more
- * reliable. According to AMD Spec, you must
- * issue all erase commands within a specified
- * timeout. This has been seen to fail, especially
- * if printf()s are included (for debug)!!
- */
- wait_for_DQ7_2(info, sect);
- count++;
- }
- }
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
-
- /* wait at least 80us - let's wait 1 ms */
- udelay(1000);
-
- /* reset to read mode */
- addr = (CFG_FLASH_WORD_SIZE *) info->start[0];
- addr[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */
-
- printf(" done\n");
-
- if (count > 0) {
- return 0;
- } else {
- return 1;
- }
-}
-
-static int write_word_2(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 i;
-
- /* Check if Flash is (sufficiently) erased */
- if ((*((vu_long *)dest) & data) != data) {
- return (2);
- }
-
- for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) {
- int flag;
-
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts();
-
- 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);
-}
-#endif /* CFG_FLASH_2ND_16BIT_DEV */
-
-/*-----------------------------------------------------------------------
- * 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);
-
-/*-----------------------------------------------------------------------
- */
-
-unsigned long flash_init(void)
-{
- unsigned long total_b = 0;
- unsigned long size_b[CFG_MAX_FLASH_BANKS];
- unsigned short index = 0;
- int i;
-
- index = 0;
-
- DEBUGF("\n");
- DEBUGF("FLASH: Index: %d\n", index);
-
- /* Init: no FLASHes known */
- for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
- flash_info[i].flash_id = FLASH_UNKNOWN;
- flash_info[i].sector_count = -1;
- flash_info[i].size = 0;
-
- /* check whether the address is 0 */
- if (flash_addr_table[index][i] == 0) {
- continue;
- }
-
- /* call flash_get_size() to initialize sector address */
- size_b[i] = flash_get_size((vu_long *) flash_addr_table[index][i],
- &flash_info[i]);
- flash_info[i].size = size_b[i];
- if (flash_info[i].flash_id == FLASH_UNKNOWN) {
- printf("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",
- i, size_b[i], size_b[i] << 20);
- flash_info[i].sector_count = -1;
- flash_info[i].size = 0;
- }
-
- /* Monitor protection ON by default */
- (void)flash_protect(FLAG_PROTECT_SET, CFG_MONITOR_BASE,
- CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1,
- &flash_info[i]);
-#if defined(CFG_ENV_IS_IN_FLASH)
- (void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR,
- CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
- &flash_info[i]);
-#if defined(CFG_ENV_IS_IN_FLASH) && defined(CFG_ENV_ADDR_REDUND)
- (void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND,
- CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1,
- &flash_info[i]);
-#endif
-#endif
-
- total_b += flash_info[i].size;
- }
-
- return total_b;
-}