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-rw-r--r--board/tb0229/flash.c1197
1 files changed, 0 insertions, 1197 deletions
diff --git a/board/tb0229/flash.c b/board/tb0229/flash.c
deleted file mode 100644
index 4cb596824..000000000
--- a/board/tb0229/flash.c
+++ /dev/null
@@ -1,1197 +0,0 @@
-/*
- * (C) Masami Komiya <mkomiya@sonare.it> 2004
- *
- * (C) Copyright 2001-2004
- * 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 <asm/processor.h>
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
-
-
-#ifdef CONFIG_SYS_FLASH_16BIT
-#define FLASH_WORD_SIZE unsigned short
-#define FLASH_ID_MASK 0xFFFF
-#else
-#define FLASH_WORD_SIZE unsigned long
-#define FLASH_ID_MASK 0xFFFFFFFF
-#endif
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-/* stolen from esteem192e/flash.c */
-ulong flash_get_size (volatile FLASH_WORD_SIZE * addr, flash_info_t * info);
-
-#ifndef CONFIG_SYS_FLASH_16BIT
-static int write_word (flash_info_t * info, ulong dest, ulong data);
-#else
-static int write_short (flash_info_t * info, ulong dest, ushort data);
-#endif
-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 < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
- flash_info[i].flash_id = FLASH_UNKNOWN;
- }
-
- /* Static FLASH Bank configuration here - FIXME XXX */
-
- size_b0 =
- flash_get_size ((volatile FLASH_WORD_SIZE *) CONFIG_SYS_FLASH_BASE,
- &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);
- }
-
- /* Only one bank */
- if (CONFIG_SYS_MAX_FLASH_BANKS == 1) {
- /* Setup offsets */
- flash_get_offsets (CONFIG_SYS_FLASH_BASE, &flash_info[0]);
-
- /* Monitor protection ON by default */
-#if 0 /* sand: */
- (void) flash_protect (FLAG_PROTECT_SET,
- FLASH_BASE0_PRELIM - monitor_flash_len +
- size_b0,
- FLASH_BASE0_PRELIM - 1 + size_b0,
- &flash_info[0]);
-#else
- (void) flash_protect (FLAG_PROTECT_SET,
- CONFIG_SYS_MONITOR_BASE,
- CONFIG_SYS_MONITOR_BASE + monitor_flash_len -
- 1, &flash_info[0]);
-#endif
- size_b1 = 0;
- flash_info[0].size = size_b0;
- }
-#ifdef CONFIG_SYS_FLASH_BASE_2
- /* 2 banks */
- else {
- size_b1 =
- flash_get_size ((volatile FLASH_WORD_SIZE *)
- CONFIG_SYS_FLASH_BASE_2, &flash_info[1]);
-
- /* Re-do sizing to get full correct info */
-
- if (size_b1) {
- mtdcr (EBC0_CFGADDR, PB0CR);
- pbcr = mfdcr (EBC0_CFGDATA);
- mtdcr (EBC0_CFGADDR, PB0CR);
- base_b1 = -size_b1;
- pbcr = (pbcr & 0x0001ffff) | base_b1 |
- (((size_b1 / 1024 / 1024) - 1) << 17);
- mtdcr (EBC0_CFGDATA, pbcr);
- /* printf("PB1CR = %x\n", pbcr); */
- }
-
- if (size_b0) {
- mtdcr (EBC0_CFGADDR, PB1CR);
- pbcr = mfdcr (EBC0_CFGDATA);
- mtdcr (EBC0_CFGADDR, PB1CR);
- base_b0 = base_b1 - size_b0;
- pbcr = (pbcr & 0x0001ffff) | base_b0 |
- (((size_b0 / 1024 / 1024) - 1) << 17);
- mtdcr (EBC0_CFGDATA, pbcr);
- /* printf("PB0CR = %x\n", pbcr); */
- }
-
- size_b0 =
- flash_get_size ((volatile FLASH_WORD_SIZE *) base_b0,
- &flash_info[0]);
-
- flash_get_offsets (base_b0, &flash_info[0]);
-
- /* monitor protection ON by default */
-#if 0 /* sand: */
- (void) flash_protect (FLAG_PROTECT_SET,
- FLASH_BASE0_PRELIM - monitor_flash_len +
- size_b0,
- FLASH_BASE0_PRELIM - 1 + size_b0,
- &flash_info[0]);
-#else
- (void) flash_protect (FLAG_PROTECT_SET,
- CONFIG_SYS_MONITOR_BASE,
- CONFIG_SYS_MONITOR_BASE + monitor_flash_len -
- 1, &flash_info[0]);
-#endif
-
- if (size_b1) {
- /* Re-do sizing to get full correct info */
- size_b1 =
- flash_get_size ((volatile FLASH_WORD_SIZE *)
- base_b1, &flash_info[1]);
-
- flash_get_offsets (base_b1, &flash_info[1]);
-
- /* monitor protection ON by default */
- (void) flash_protect (FLAG_PROTECT_SET,
- base_b1 + size_b1 -
- monitor_flash_len,
- base_b1 + size_b1 - 1,
- &flash_info[1]);
- /* monitor protection OFF by default (one is enough) */
- (void) flash_protect (FLAG_PROTECT_CLEAR,
- base_b0 + size_b0 -
- monitor_flash_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;
- } /* else 2 banks */
-#endif
- return (size_b0 + size_b1);
-}
-
-
-/*-----------------------------------------------------------------------
- */
-
-static void flash_get_offsets (ulong base, flash_info_t * info)
-{
- int i;
-
- /* set up sector start adress table */
- if ((info->flash_id & FLASH_TYPEMASK) == FLASH_28F320J3A ||
- (info->flash_id & FLASH_TYPEMASK) == FLASH_28F640J3A ||
- (info->flash_id & FLASH_TYPEMASK) == FLASH_28F128J3A) {
- for (i = 0; i < info->sector_count; i++) {
- info->start[i] =
- base + (i * info->size / info->sector_count);
- }
- } else if (info->flash_id & FLASH_BTYPE) {
- if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
-
-#ifndef CONFIG_SYS_FLASH_16BIT
- /* set sector offsets for bottom boot block type */
- info->start[0] = base + 0x00000000;
- info->start[1] = base + 0x00004000;
- info->start[2] = base + 0x00008000;
- info->start[3] = base + 0x0000C000;
- info->start[4] = base + 0x00010000;
- info->start[5] = base + 0x00014000;
- info->start[6] = base + 0x00018000;
- info->start[7] = base + 0x0001C000;
- for (i = 8; i < info->sector_count; i++) {
- info->start[i] =
- base + (i * 0x00020000) - 0x000E0000;
- }
- } else {
- /* set sector offsets for bottom boot block type */
- info->start[0] = base + 0x00000000;
- info->start[1] = base + 0x00008000;
- info->start[2] = base + 0x0000C000;
- info->start[3] = base + 0x00010000;
- for (i = 4; i < info->sector_count; i++) {
- info->start[i] =
- base + (i * 0x00020000) - 0x00060000;
- }
- }
-#else
- /* set sector offsets for bottom boot block type */
- info->start[0] = base + 0x00000000;
- info->start[1] = base + 0x00002000;
- info->start[2] = base + 0x00004000;
- info->start[3] = base + 0x00006000;
- info->start[4] = base + 0x00008000;
- info->start[5] = base + 0x0000A000;
- info->start[6] = base + 0x0000C000;
- info->start[7] = base + 0x0000E000;
- for (i = 8; i < info->sector_count; i++) {
- info->start[i] =
- base + (i * 0x00010000) - 0x00070000;
- }
- } else {
- /* 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;
- }
- }
-#endif
- } else {
- /* set sector offsets for top boot block type */
- i = info->sector_count - 1;
- if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
-
-#ifndef CONFIG_SYS_FLASH_16BIT
- info->start[i--] = base + info->size - 0x00004000;
- info->start[i--] = base + info->size - 0x00008000;
- info->start[i--] = base + info->size - 0x0000C000;
- info->start[i--] = base + info->size - 0x00010000;
- info->start[i--] = base + info->size - 0x00014000;
- info->start[i--] = base + info->size - 0x00018000;
- info->start[i--] = base + info->size - 0x0001C000;
- for (; i >= 0; i--) {
- info->start[i] = base + i * 0x00020000;
- }
-
- } else {
-
- info->start[i--] = base + info->size - 0x00008000;
- info->start[i--] = base + info->size - 0x0000C000;
- info->start[i--] = base + info->size - 0x00010000;
- for (; i >= 0; i--) {
- info->start[i] = base + i * 0x00020000;
- }
- }
-#else
- 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;
- for (; i >= 0; i--) {
- info->start[i] = base + i * 0x00010000;
- }
-
- } else {
-
- 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;
- }
- }
-#endif
- }
-
-
-}
-
-/*-----------------------------------------------------------------------
- */
-
-void flash_print_info (flash_info_t * info)
-{
- int i;
- uchar *boottype;
- uchar botboot[] = ", bottom boot sect)\n";
- uchar topboot[] = ", top boot sector)\n";
-
- 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;
- case FLASH_MAN_STM:
- printf ("STM ");
- break;
- case FLASH_MAN_INTEL:
- printf ("INTEL ");
- break;
- default:
- printf ("Unknown Vendor ");
- break;
- }
-
- if (info->flash_id & 0x0001) {
- boottype = botboot;
- } else {
- boottype = topboot;
- }
-
- switch (info->flash_id & FLASH_TYPEMASK) {
- case FLASH_AM400B:
- printf ("AM29LV400B (4 Mbit%s", boottype);
- break;
- case FLASH_AM400T:
- printf ("AM29LV400T (4 Mbit%s", boottype);
- break;
- case FLASH_AM800B:
- printf ("AM29LV800B (8 Mbit%s", boottype);
- break;
- case FLASH_AM800T:
- printf ("AM29LV800T (8 Mbit%s", boottype);
- break;
- case FLASH_AM160B:
- printf ("AM29LV160B (16 Mbit%s", boottype);
- break;
- case FLASH_AM160T:
- printf ("AM29LV160T (16 Mbit%s", boottype);
- break;
- case FLASH_AM320B:
- printf ("AM29LV320B (32 Mbit%s", boottype);
- break;
- case FLASH_AM320T:
- printf ("AM29LV320T (32 Mbit%s", boottype);
- break;
- case FLASH_INTEL800B:
- printf ("INTEL28F800B (8 Mbit%s", boottype);
- break;
- case FLASH_INTEL800T:
- printf ("INTEL28F800T (8 Mbit%s", boottype);
- break;
- case FLASH_INTEL160B:
- printf ("INTEL28F160B (16 Mbit%s", boottype);
- break;
- case FLASH_INTEL160T:
- printf ("INTEL28F160T (16 Mbit%s", boottype);
- break;
- case FLASH_INTEL320B:
- printf ("INTEL28F320B (32 Mbit%s", boottype);
- break;
- case FLASH_INTEL320T:
- printf ("INTEL28F320T (32 Mbit%s", boottype);
- break;
-
-#if 0 /* enable when devices are available */
-
- case FLASH_INTEL640B:
- printf ("INTEL28F640B (64 Mbit%s", boottype);
- break;
- case FLASH_INTEL640T:
- printf ("INTEL28F640T (64 Mbit%s", boottype);
- break;
-#endif
- case FLASH_28F320J3A:
- printf ("INTEL28F320J3A (32 Mbit%s", boottype);
- break;
- case FLASH_28F640J3A:
- printf ("INTEL28F640J3A (64 Mbit%s", boottype);
- break;
- case FLASH_28F128J3A:
- printf ("INTEL28F128J3A (128 Mbit%s", boottype);
- 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!
- */
-ulong flash_get_size (volatile FLASH_WORD_SIZE * addr, flash_info_t * info)
-{
- short i;
- ulong base = (ulong) addr;
- FLASH_WORD_SIZE value;
-
- /* Write auto select command: read Manufacturer ID */
-
-
-#ifndef CONFIG_SYS_FLASH_16BIT
-
- /*
- * Note: if it is an AMD flash and the word at addr[0000]
- * is 0x00890089 this routine will think it is an Intel
- * flash device and may(most likely) cause trouble.
- */
-
- addr[0x0000] = 0x00900090;
- if (addr[0x0000] != 0x00890089) {
- addr[0x0555] = 0x00AA00AA;
- addr[0x02AA] = 0x00550055;
- addr[0x0555] = 0x00900090;
-#else
-
- /*
- * Note: if it is an AMD flash and the word at addr[0000]
- * is 0x0089 this routine will think it is an Intel
- * flash device and may(most likely) cause trouble.
- */
-
- addr[0x0000] = 0x0090;
-
- if (addr[0x0000] != 0x0089) {
- addr[0x0555] = 0x00AA;
- addr[0x02AA] = 0x0055;
- addr[0x0555] = 0x0090;
-#endif
- }
- value = addr[0];
-
- switch (value) {
- case (AMD_MANUFACT & FLASH_ID_MASK):
- info->flash_id = FLASH_MAN_AMD;
- break;
- case (FUJ_MANUFACT & FLASH_ID_MASK):
- info->flash_id = FLASH_MAN_FUJ;
- break;
- case (STM_MANUFACT & FLASH_ID_MASK):
- info->flash_id = FLASH_MAN_STM;
- break;
- case (SST_MANUFACT & FLASH_ID_MASK):
- info->flash_id = FLASH_MAN_SST;
- break;
- case (INTEL_MANUFACT & FLASH_ID_MASK):
- info->flash_id = FLASH_MAN_INTEL;
- break;
- default:
- info->flash_id = FLASH_UNKNOWN;
- info->sector_count = 0;
- info->size = 0;
- return (0); /* no or unknown flash */
-
- }
-
- value = addr[1]; /* device ID */
-
- switch (value) {
-
- case (AMD_ID_LV400T & FLASH_ID_MASK):
- info->flash_id += FLASH_AM400T;
- info->sector_count = 11;
- info->size = 0x00100000;
- break; /* => 1 MB */
-
- case (AMD_ID_LV400B & FLASH_ID_MASK):
- info->flash_id += FLASH_AM400B;
- info->sector_count = 11;
- info->size = 0x00100000;
- break; /* => 1 MB */
-
- case (AMD_ID_LV800T & FLASH_ID_MASK):
- info->flash_id += FLASH_AM800T;
- info->sector_count = 19;
- info->size = 0x00200000;
- break; /* => 2 MB */
-
- case (AMD_ID_LV800B & FLASH_ID_MASK):
- info->flash_id += FLASH_AM800B;
- info->sector_count = 19;
- info->size = 0x00200000;
- break; /* => 2 MB */
-
- case (AMD_ID_LV160T & FLASH_ID_MASK):
- info->flash_id += FLASH_AM160T;
- info->sector_count = 35;
- info->size = 0x00400000;
- break; /* => 4 MB */
-
- case (AMD_ID_LV160B & FLASH_ID_MASK):
- info->flash_id += FLASH_AM160B;
- info->sector_count = 35;
- info->size = 0x00400000;
- break; /* => 4 MB */
-#if 0 /* enable when device IDs are available */
- case (AMD_ID_LV320T & FLASH_ID_MASK):
- info->flash_id += FLASH_AM320T;
- info->sector_count = 67;
- info->size = 0x00800000;
- break; /* => 8 MB */
-
- case (AMD_ID_LV320B & FLASH_ID_MASK):
- info->flash_id += FLASH_AM320B;
- info->sector_count = 67;
- info->size = 0x00800000;
- break; /* => 8 MB */
-#endif
-
- case (INTEL_ID_28F800B3T & FLASH_ID_MASK):
- info->flash_id += FLASH_INTEL800T;
- info->sector_count = 23;
- info->size = 0x00200000;
- break; /* => 2 MB */
-
- case (INTEL_ID_28F800B3B & FLASH_ID_MASK):
- info->flash_id += FLASH_INTEL800B;
- info->sector_count = 23;
- info->size = 0x00200000;
- break; /* => 2 MB */
-
- case (INTEL_ID_28F160B3T & FLASH_ID_MASK):
- info->flash_id += FLASH_INTEL160T;
- info->sector_count = 39;
- info->size = 0x00400000;
- break; /* => 4 MB */
-
- case (INTEL_ID_28F160B3B & FLASH_ID_MASK):
- info->flash_id += FLASH_INTEL160B;
- info->sector_count = 39;
- info->size = 0x00400000;
- break; /* => 4 MB */
-
- case (INTEL_ID_28F320B3T & FLASH_ID_MASK):
- info->flash_id += FLASH_INTEL320T;
- info->sector_count = 71;
- info->size = 0x00800000;
- break; /* => 8 MB */
-
- case (INTEL_ID_28F320B3B & FLASH_ID_MASK):
- info->flash_id += FLASH_AM320B;
- info->sector_count = 71;
- info->size = 0x00800000;
- break; /* => 8 MB */
-
-#if 0 /* enable when devices are available */
- case (INTEL_ID_28F320B3T & FLASH_ID_MASK):
- info->flash_id += FLASH_INTEL320T;
- info->sector_count = 135;
- info->size = 0x01000000;
- break; /* => 16 MB */
-
- case (INTEL_ID_28F320B3B & FLASH_ID_MASK):
- info->flash_id += FLASH_AM320B;
- info->sector_count = 135;
- info->size = 0x01000000;
- break; /* => 16 MB */
-#endif
- case (INTEL_ID_28F320J3A & FLASH_ID_MASK):
- info->flash_id += FLASH_28F320J3A;
- info->sector_count = 32;
- info->size = 0x00400000;
- break; /* => 32 MBit */
- case (INTEL_ID_28F640J3A & FLASH_ID_MASK):
- info->flash_id += FLASH_28F640J3A;
- info->sector_count = 64;
- info->size = 0x00800000;
- break; /* => 64 MBit */
- case (INTEL_ID_28F128J3A & FLASH_ID_MASK):
- info->flash_id += FLASH_28F128J3A;
- info->sector_count = 128;
- info->size = 0x01000000;
- break; /* => 128 MBit */
-
- default:
- /* FIXME */
- info->flash_id = FLASH_UNKNOWN;
- return (0); /* => no or unknown flash */
- }
-
- flash_get_offsets (base, info);
-
- /* 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 FLASH_WORD_SIZE *) (info->start[i]);
- info->protect[i] = addr[2] & 1;
- }
-
- /*
- * Prevent writes to uninitialized FLASH.
- */
- if (info->flash_id != FLASH_UNKNOWN) {
- addr = (volatile FLASH_WORD_SIZE *) info->start[0];
- if ((info->flash_id & 0xFF00) == FLASH_MAN_INTEL) {
- *addr = (0x00F000F0 & FLASH_ID_MASK); /* reset bank */
- } else {
- *addr = (0x00FF00FF & FLASH_ID_MASK); /* reset bank */
- }
- }
-
- return (info->size);
-}
-
-
-/*-----------------------------------------------------------------------
- */
-
-int flash_erase (flash_info_t * info, int s_first, int s_last)
-{
-
- volatile FLASH_WORD_SIZE *addr =
- (volatile FLASH_WORD_SIZE *) (info->start[0]);
- int flag, prot, sect, l_sect, barf;
- ulong start, now, last;
- int rcode = 0;
-
- if ((s_first < 0) || (s_first > s_last)) {
- if (info->flash_id == FLASH_UNKNOWN) {
- printf ("- missing\n");
- } else {
- printf ("- no sectors to erase\n");
- }
- return 1;
- }
-
- if ((info->flash_id == FLASH_UNKNOWN) ||
- ((info->flash_id > FLASH_AMD_COMP) &&
- ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_INTEL))) {
- 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 ();
- if (info->flash_id < FLASH_AMD_COMP) {
-#ifndef CONFIG_SYS_FLASH_16BIT
- addr[0x0555] = 0x00AA00AA;
- addr[0x02AA] = 0x00550055;
- addr[0x0555] = 0x00800080;
- addr[0x0555] = 0x00AA00AA;
- addr[0x02AA] = 0x00550055;
-#else
- addr[0x0555] = 0x00AA;
- addr[0x02AA] = 0x0055;
- addr[0x0555] = 0x0080;
- addr[0x0555] = 0x00AA;
- addr[0x02AA] = 0x0055;
-#endif
- /* Start erase on unprotected sectors */
- for (sect = s_first; sect <= s_last; sect++) {
- if (info->protect[sect] == 0) { /* not protected */
- addr = (volatile FLASH_WORD_SIZE *) (info->
- start
- [sect]);
- addr[0] = (0x00300030 & FLASH_ID_MASK);
- 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 = (volatile FLASH_WORD_SIZE *) (info->start[l_sect]);
- while ((addr[0] & (0x00800080 & FLASH_ID_MASK)) !=
- (0x00800080 & FLASH_ID_MASK)) {
- if ((now = get_timer (start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
- printf ("Timeout\n");
- return 1;
- }
- /* show that we're waiting */
- if ((now - last) > 1000000) { /* every second */
- serial_putc ('.');
- last = now;
- }
- }
-
- DONE:
- /* reset to read mode */
- addr = (volatile FLASH_WORD_SIZE *) info->start[0];
- addr[0] = (0x00F000F0 & FLASH_ID_MASK); /* reset bank */
- } else {
-
-
- for (sect = s_first; sect <= s_last; sect++) {
- if (info->protect[sect] == 0) { /* not protected */
- barf = 0;
-#ifndef CONFIG_SYS_FLASH_16BIT
- addr = (vu_long *) (info->start[sect]);
- addr[0] = 0x00500050;
- addr[0] = 0x00200020;
- addr[0] = 0x00D000D0;
- while (!(addr[0] & 0x00800080)); /* wait for error or finish */
- if (addr[0] & 0x003A003A) { /* check for error */
- barf = addr[0] & 0x003A0000;
- if (barf) {
- barf >>= 16;
- } else {
- barf = addr[0] & 0x0000003A;
- }
- }
-#else
- addr = (vu_short *) (info->start[sect]);
- addr[0] = 0x0050; /* clear status register */
- addr[0] = 0x0020;
- addr[0] = 0x00D0;
- while (!(addr[0] & 0x0080)); /* wait for error or finish */
- if (addr[0] & 0x003A) /* check for error */
- barf = addr[0] & 0x003A;
-#endif
- if (barf) {
- printf ("\nFlash error in sector at %lx\n", (unsigned long) addr);
- if (barf & 0x0002)
- printf ("Block locked, not erased.\n");
- if ((barf & 0x0030) == 0x0030)
- printf ("Command Sequence error.\n");
- if ((barf & 0x0030) == 0x0020)
- printf ("Block Erase error.\n");
- if (barf & 0x0008)
- printf ("Vpp Low error.\n");
- rcode = 1;
- } else
- printf (".");
- l_sect = sect;
- }
- addr = (volatile FLASH_WORD_SIZE *) info->start[0];
-#ifndef CONFIG_SYS_FLASH_16BIT
- addr[0] = (0x00FF00FF & FLASH_ID_MASK); /* reset bank */
-#else
- addr[0] = (0x00FF & FLASH_ID_MASK); /* reset bank */
-#endif
- }
-
- }
- printf (" done\n");
- return rcode;
-}
-
-/*-----------------------------------------------------------------------
- */
-
-/*flash_info_t *addr2info (ulong addr)
-{
- flash_info_t *info;
- int i;
-
- for (i=0, info=&flash_info[0]; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
- if ((addr >= info->start[0]) &&
- (addr < (info->start[0] + info->size)) ) {
- return (info);
- }
- }
-
- return (NULL);
-}
-*/
-/*-----------------------------------------------------------------------
- * Copy memory to flash.
- * Make sure all target addresses are within Flash bounds,
- * and no protected sectors are hit.
- * Returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- * 4 - target range includes protected sectors
- * 8 - target address not in Flash memory
- */
-
-/*int flash_write (uchar *src, ulong addr, ulong cnt)
-{
- int i;
- ulong end = addr + cnt - 1;
- flash_info_t *info_first = addr2info (addr);
- flash_info_t *info_last = addr2info (end );
- flash_info_t *info;
-
- if (cnt == 0) {
- return (0);
- }
-
- if (!info_first || !info_last) {
- return (8);
- }
-
- for (info = info_first; info <= info_last; ++info) {
- ulong b_end = info->start[0] + info->size;*/ /* bank end addr */
-/* short s_end = info->sector_count - 1;
- for (i=0; i<info->sector_count; ++i) {
- ulong e_addr = (i == s_end) ? b_end : info->start[i + 1];
-
- if ((end >= info->start[i]) && (addr < e_addr) &&
- (info->protect[i] != 0) ) {
- return (4);
- }
- }
- }
-
-*/ /* finally write data to flash */
-/* for (info = info_first; info <= info_last && cnt>0; ++info) {
- ulong len;
-
- len = info->start[0] + info->size - addr;
- if (len > cnt)
- len = cnt;
- if ((i = write_buff(info, src, addr, len)) != 0) {
- return (i);
- }
- cnt -= len;
- addr += len;
- src += len;
- }
- 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)
-{
-#ifndef CONFIG_SYS_FLASH_16BIT
- ulong cp, wp, data;
- int l;
-#else
- ulong cp, wp;
- ushort data;
-#endif
- int i, rc;
-
-#ifndef CONFIG_SYS_FLASH_16BIT
-
-
- 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));
-
-#else
- wp = (addr & ~1); /* get lower word aligned address */
-
- /*
- * handle unaligned start byte
- */
- if (addr - wp) {
- data = 0;
- data = (data << 8) | *src++;
- --cnt;
- if ((rc = write_short (info, wp, data)) != 0) {
- return (rc);
- }
- wp += 2;
- }
-
- /*
- * handle word aligned part
- */
-/* l = 0; used for debuging */
- while (cnt >= 2) {
- data = 0;
- for (i = 0; i < 2; ++i) {
- data = (data << 8) | *src++;
- }
-
-/* if(!l){
- printf("%x",data);
- l = 1;
- } used for debuging */
-
- if ((rc = write_short (info, wp, data)) != 0) {
- return (rc);
- }
- wp += 2;
- cnt -= 2;
- }
-
- if (cnt == 0) {
- return (0);
- }
-
- /*
- * handle unaligned tail bytes
- */
- data = 0;
- for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) {
- data = (data << 8) | *src++;
- --cnt;
- }
- for (; i < 2; ++i, ++cp) {
- data = (data << 8) | (*(uchar *) cp);
- }
-
- return (write_short (info, wp, data));
-
-
-#endif
-}
-
-/*-----------------------------------------------------------------------
- * Write a word to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-#ifndef CONFIG_SYS_FLASH_16BIT
-static int write_word (flash_info_t * info, ulong dest, ulong data)
-{
- vu_long *addr = (vu_long *) (info->start[0]);
- ulong start, barf;
- int flag;
-
-#if defined (__MIPSEL__)
- data = cpu_to_be32 (data);
-#endif
-
- /* 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 ();
-
- if (info->flash_id < FLASH_AMD_COMP) {
- /* AMD stuff */
- addr[0x0555] = 0x00AA00AA;
- addr[0x02AA] = 0x00550055;
- addr[0x0555] = 0x00A000A0;
- } else {
- /* intel stuff */
- *addr = 0x00400040;
- }
-
- *((vu_long *) dest) = data;
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts ();
-
- /* data polling for D7 */
- start = get_timer (0);
-
- if (info->flash_id < FLASH_AMD_COMP) {
-
- while ((*((vu_long *) dest) & 0x00800080) !=
- (data & 0x00800080)) {
- if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
- printf ("timeout\n");
- return (1);
- }
- }
-
- } else {
-
- while (!(addr[0] & 0x00800080)) { /* wait for error or finish */
- if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
- printf ("timeout\n");
- return (1);
- }
- }
-
- if (addr[0] & 0x003A003A) { /* check for error */
- barf = addr[0] & 0x003A0000;
- if (barf) {
- barf >>= 16;
- } else {
- barf = addr[0] & 0x0000003A;
- }
- printf ("\nFlash write error at address %lx\n",
- (unsigned long) dest);
- if (barf & 0x0002)
- printf ("Block locked, not erased.\n");
- if (barf & 0x0010)
- printf ("Programming error.\n");
- if (barf & 0x0008)
- printf ("Vpp Low error.\n");
- return (2);
- }
-
-
- }
-
- return (0);
-}
-
-#else
-
-static int write_short (flash_info_t * info, ulong dest, ushort data)
-{
- vu_short *addr = (vu_short *) (info->start[0]);
- ulong start, barf;
- int flag;
-
-#if defined (__MIPSEL__)
- data = cpu_to_be16 (data);
-#endif
-
- /* Check if Flash is (sufficiently) erased */
- if ((*((vu_short *) dest) & data) != data) {
- return (2);
- }
-
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts ();
-
- if (info->flash_id < FLASH_AMD_COMP) {
- /* AMD stuff */
- addr[0x0555] = 0x00AA;
- addr[0x02AA] = 0x0055;
- addr[0x0555] = 0x00A0;
- } else {
- /* intel stuff */
- *addr = 0x00D0;
- *addr = 0x0040;
- }
- *((vu_short *) dest) = data;
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts ();
-
- /* data polling for D7 */
- start = get_timer (0);
-
- if (info->flash_id < FLASH_AMD_COMP) {
- /* AMD stuff */
- while ((*((vu_short *) dest) & 0x0080) != (data & 0x0080)) {
- if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
- return (1);
- }
- }
-
- } else {
- /* intel stuff */
- while (!(addr[0] & 0x0080)) { /* wait for error or finish */
- if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT)
- return (1);
- }
-
- if (addr[0] & 0x003A) { /* check for error */
- barf = addr[0] & 0x003A;
- printf ("\nFlash write error at address %lx\n",
- (unsigned long) dest);
- if (barf & 0x0002)
- printf ("Block locked, not erased.\n");
- if (barf & 0x0010)
- printf ("Programming error.\n");
- if (barf & 0x0008)
- printf ("Vpp Low error.\n");
- return (2);
- }
- *addr = 0x00B0;
- *addr = 0x0070;
- while (!(addr[0] & 0x0080)) { /* wait for error or finish */
- if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT)
- return (1);
- }
-
- *addr = 0x00FF;
-
- }
-
- return (0);
-
-}
-#endif
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 14:50:47 +0000