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@@ -30,338 +30,330 @@
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#define FLASH_BANK_SIZE 0x400000
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#define MAIN_SECT_SIZE 0x20000
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-flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
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+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
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/*-----------------------------------------------------------------------
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*/
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-ulong flash_init(void)
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+ulong flash_init (void)
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{
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- int i, j;
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- ulong size = 0;
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-
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- for (i = 0; i < CFG_MAX_FLASH_BANKS; i++)
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- {
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- ulong flashbase = 0;
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- flash_info[i].flash_id =
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- (INTEL_MANUFACT & FLASH_VENDMASK) |
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- (INTEL_ID_28F128J3 & FLASH_TYPEMASK);
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- flash_info[i].size = FLASH_BANK_SIZE;
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- flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
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- memset(flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
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- switch (i)
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- {
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- case 0:
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- flashbase = PHYS_FLASH_1;
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- break;
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- case 1:
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- flashbase = PHYS_FLASH_2;
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- break;
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- default:
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- panic("configured too many flash banks!\n");
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- break;
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- }
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- for (j = 0; j < flash_info[i].sector_count; j++)
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- {
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- flash_info[i].start[j] = flashbase + j*MAIN_SECT_SIZE;
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- }
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- size += flash_info[i].size;
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- }
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-
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- /* Protect monitor and environment sectors
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- */
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- flash_protect(FLAG_PROTECT_SET,
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- CFG_FLASH_BASE,
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- CFG_FLASH_BASE + monitor_flash_len - 1,
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- &flash_info[0]);
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-
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- flash_protect(FLAG_PROTECT_SET,
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- CFG_ENV_ADDR,
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- CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
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- &flash_info[0]);
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-
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- return size;
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+ int i, j;
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+ ulong size = 0;
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+
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+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
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+ ulong flashbase = 0;
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+
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+ flash_info[i].flash_id =
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+ (INTEL_MANUFACT & FLASH_VENDMASK) |
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+ (INTEL_ID_28F128J3 & FLASH_TYPEMASK);
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+ flash_info[i].size = FLASH_BANK_SIZE;
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+ flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
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+ memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
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+ switch (i) {
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+ case 0:
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+ flashbase = PHYS_FLASH_1;
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+ break;
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+ case 1:
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+ flashbase = PHYS_FLASH_2;
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+ break;
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+ default:
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+ panic ("configured too many flash banks!\n");
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+ break;
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+ }
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+ for (j = 0; j < flash_info[i].sector_count; j++) {
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+ flash_info[i].start[j] =
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+ flashbase + j * MAIN_SECT_SIZE;
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+ }
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+ size += flash_info[i].size;
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+ }
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+
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+ /* Protect monitor and environment sectors
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+ */
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+ flash_protect (FLAG_PROTECT_SET,
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+ CFG_FLASH_BASE,
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+ CFG_FLASH_BASE + monitor_flash_len - 1,
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+ &flash_info[0]);
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+
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+ flash_protect (FLAG_PROTECT_SET,
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+ CFG_ENV_ADDR,
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+ CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]);
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+
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+ return size;
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}
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/*-----------------------------------------------------------------------
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*/
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-void flash_print_info (flash_info_t *info)
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+void flash_print_info (flash_info_t * info)
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{
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- int i, j;
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-
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- for (j=0; j<CFG_MAX_FLASH_BANKS; j++)
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- {
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- switch (info->flash_id & FLASH_VENDMASK)
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- {
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- case (INTEL_MANUFACT & FLASH_VENDMASK):
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- printf("Intel: ");
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- break;
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- default:
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- printf("Unknown Vendor ");
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- break;
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- }
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-
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- switch (info->flash_id & FLASH_TYPEMASK)
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- {
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- case (INTEL_ID_28F320J3A & FLASH_TYPEMASK):
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- printf("28F320J3A (32Mbit)\n");
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- break;
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- case (INTEL_ID_28F128J3 & FLASH_TYPEMASK):
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- printf("28F128J3 (128Mbit)\n");
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- break;
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- default:
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- printf("Unknown Chip Type\n");
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- goto Done;
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- break;
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- }
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-
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- printf(" Size: %ld MB in %d Sectors\n",
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- info->size >> 20, info->sector_count);
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-
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- printf(" Sector Start Addresses:");
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- for (i = 0; i < info->sector_count; i++)
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- {
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- if ((i % 5) == 0)
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- {
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- printf ("\n ");
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- }
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- printf (" %08lX%s", info->start[i],
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- info->protect[i] ? " (RO)" : " ");
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- }
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- printf ("\n");
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- info++;
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- }
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-
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-Done:
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+ int i, j;
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+
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+ for (j = 0; j < CFG_MAX_FLASH_BANKS; j++) {
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+ switch (info->flash_id & FLASH_VENDMASK) {
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+ case (INTEL_MANUFACT & FLASH_VENDMASK):
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+ printf ("Intel: ");
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+ break;
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+ default:
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+ printf ("Unknown Vendor ");
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+ break;
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+ }
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+
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+ switch (info->flash_id & FLASH_TYPEMASK) {
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+ case (INTEL_ID_28F320J3A & FLASH_TYPEMASK):
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+ printf ("28F320J3A (32Mbit)\n");
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+ break;
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+ case (INTEL_ID_28F128J3 & FLASH_TYPEMASK):
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+ printf ("28F128J3 (128Mbit)\n");
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+ break;
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+ default:
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+ printf ("Unknown Chip Type\n");
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+ goto Done;
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+ break;
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+ }
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+
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+ printf (" Size: %ld MB in %d Sectors\n",
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+ info->size >> 20, info->sector_count);
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+
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+ printf (" Sector Start Addresses:");
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+ for (i = 0; i < info->sector_count; i++) {
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+ if ((i % 5) == 0) {
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+ printf ("\n ");
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+ }
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+ printf (" %08lX%s", info->start[i],
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+ info->protect[i] ? " (RO)" : " ");
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+ }
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+ printf ("\n");
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+ info++;
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+ }
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+
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+Done: ;
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}
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/*-----------------------------------------------------------------------
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*/
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-int flash_erase (flash_info_t *info, int s_first, int s_last)
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+int flash_erase (flash_info_t * info, int s_first, int s_last)
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{
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- int flag, prot, sect;
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- int rc = ERR_OK;
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-
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- if (info->flash_id == FLASH_UNKNOWN)
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- return ERR_UNKNOWN_FLASH_TYPE;
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-
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- if ((s_first < 0) || (s_first > s_last)) {
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- return ERR_INVAL;
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- }
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-
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- if ((info->flash_id & FLASH_VENDMASK) !=
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- (INTEL_MANUFACT & FLASH_VENDMASK)) {
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- return ERR_UNKNOWN_FLASH_VENDOR;
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- }
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-
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- prot = 0;
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- for (sect=s_first; sect<=s_last; ++sect) {
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- if (info->protect[sect]) {
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- prot++;
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- }
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- }
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- if (prot)
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- return ERR_PROTECTED;
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-
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- /*
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- * Disable interrupts which might cause a timeout
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- * here. Remember that our exception vectors are
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- * at address 0 in the flash, and we don't want a
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- * (ticker) exception to happen while the flash
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- * chip is in programming mode.
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- */
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- flag = disable_interrupts();
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-
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- /* Start erase on unprotected sectors */
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- for (sect = s_first; sect<=s_last && !ctrlc(); sect++) {
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-
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- printf("Erasing sector %2d ... ", sect);
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-
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- /* arm simple, non interrupt dependent timer */
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- reset_timer_masked();
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-
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- if (info->protect[sect] == 0) { /* not protected */
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- vu_short *addr = (vu_short *)(info->start[sect]);
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-
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- *addr = 0x20; /* erase setup */
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- *addr = 0xD0; /* erase confirm */
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-
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- while ((*addr & 0x80) != 0x80) {
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- if (get_timer_masked() > CFG_FLASH_ERASE_TOUT) {
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- *addr = 0xB0; /* suspend erase */
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- *addr = 0xFF; /* reset to read mode */
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- rc = ERR_TIMOUT;
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- goto outahere;
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- }
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- }
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-
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- /* clear status register command */
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- *addr = 0x50;
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- /* reset to read mode */
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- *addr = 0xFF;
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- }
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- printf("ok.\n");
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- }
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- if (ctrlc())
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- printf("User Interrupt!\n");
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+ int flag, prot, sect;
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+ int rc = ERR_OK;
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+
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+ if (info->flash_id == FLASH_UNKNOWN)
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+ return ERR_UNKNOWN_FLASH_TYPE;
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+
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+ if ((s_first < 0) || (s_first > s_last)) {
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+ return ERR_INVAL;
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+ }
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+
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+ if ((info->flash_id & FLASH_VENDMASK) !=
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+ (INTEL_MANUFACT & FLASH_VENDMASK)) {
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+ return ERR_UNKNOWN_FLASH_VENDOR;
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+ }
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+
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+ prot = 0;
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+ for (sect = s_first; sect <= s_last; ++sect) {
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+ if (info->protect[sect]) {
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+ prot++;
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+ }
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+ }
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+ if (prot)
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+ return ERR_PROTECTED;
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+
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+ /*
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+ * Disable interrupts which might cause a timeout
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+ * here. Remember that our exception vectors are
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+ * at address 0 in the flash, and we don't want a
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+ * (ticker) exception to happen while the flash
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+ * chip is in programming mode.
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+ */
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+ flag = disable_interrupts ();
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+
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+ /* Start erase on unprotected sectors */
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+ for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
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+
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+ printf ("Erasing sector %2d ... ", sect);
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+
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+ /* arm simple, non interrupt dependent timer */
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+ reset_timer_masked ();
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+
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+ if (info->protect[sect] == 0) { /* not protected */
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+ vu_short *addr = (vu_short *) (info->start[sect]);
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+
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+ *addr = 0x20; /* erase setup */
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+ *addr = 0xD0; /* erase confirm */
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+
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+ while ((*addr & 0x80) != 0x80) {
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+ if (get_timer_masked () >
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+ CFG_FLASH_ERASE_TOUT) {
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+ *addr = 0xB0; /* suspend erase */
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+ *addr = 0xFF; /* reset to read mode */
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+ rc = ERR_TIMOUT;
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+ goto outahere;
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+ }
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+ }
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+
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+ /* clear status register command */
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+ *addr = 0x50;
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+ /* reset to read mode */
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+ *addr = 0xFF;
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+ }
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+ printf ("ok.\n");
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+ }
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+ if (ctrlc ())
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+ printf ("User Interrupt!\n");
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outahere:
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- /* allow flash to settle - wait 10 ms */
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- udelay_masked(10000);
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+ /* allow flash to settle - wait 10 ms */
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+ udelay_masked (10000);
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- if (flag)
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- enable_interrupts();
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+ if (flag)
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+ enable_interrupts ();
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- return rc;
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+ return rc;
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}
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/*-----------------------------------------------------------------------
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* Copy memory to flash
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*/
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-static int write_word (flash_info_t *info, ulong dest, ushort data)
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+static int write_word (flash_info_t * info, ulong dest, ushort data)
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{
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- vu_short *addr = (vu_short *)dest, val;
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- int rc = ERR_OK;
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- int flag;
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-
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- /* Check if Flash is (sufficiently) erased
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- */
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- if ((*addr & data) != data)
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- return ERR_NOT_ERASED;
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-
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- /*
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- * Disable interrupts which might cause a timeout
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- * here. Remember that our exception vectors are
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- * at address 0 in the flash, and we don't want a
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- * (ticker) exception to happen while the flash
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- * chip is in programming mode.
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- */
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- flag = disable_interrupts();
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-
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- /* clear status register command */
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- *addr = 0x50;
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-
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- /* program set-up command */
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- *addr = 0x40;
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-
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- /* latch address/data */
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- *addr = data;
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-
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- /* arm simple, non interrupt dependent timer */
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- reset_timer_masked();
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-
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- /* wait while polling the status register */
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- while(((val = *addr) & 0x80) != 0x80)
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- {
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- if (get_timer_masked() > CFG_FLASH_WRITE_TOUT) {
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- rc = ERR_TIMOUT;
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- /* suspend program command */
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- *addr = 0xB0;
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- goto outahere;
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- }
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- }
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-
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- if(val & 0x1A) { /* check for error */
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- printf("\nFlash write error %02x at address %08lx\n",
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- (int)val, (unsigned long)dest);
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- if(val & (1<<3)) {
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- printf("Voltage range error.\n");
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- rc = ERR_PROG_ERROR;
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- goto outahere;
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- }
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- if(val & (1<<1)) {
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- printf("Device protect error.\n");
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- rc = ERR_PROTECTED;
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- goto outahere;
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- }
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- if(val & (1<<4)) {
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- printf("Programming error.\n");
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- rc = ERR_PROG_ERROR;
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- goto outahere;
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- }
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- rc = ERR_PROG_ERROR;
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- goto outahere;
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- }
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+ vu_short *addr = (vu_short *) dest, val;
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+ int rc = ERR_OK;
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+ int flag;
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+
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+ /* Check if Flash is (sufficiently) erased
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+ */
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+ if ((*addr & data) != data)
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+ return ERR_NOT_ERASED;
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+
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+ /*
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+ * Disable interrupts which might cause a timeout
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+ * here. Remember that our exception vectors are
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+ * at address 0 in the flash, and we don't want a
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+ * (ticker) exception to happen while the flash
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+ * chip is in programming mode.
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+ */
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|
|
+ flag = disable_interrupts ();
|
|
|
+
|
|
|
+ /* clear status register command */
|
|
|
+ *addr = 0x50;
|
|
|
+
|
|
|
+ /* program set-up command */
|
|
|
+ *addr = 0x40;
|
|
|
+
|
|
|
+ /* latch address/data */
|
|
|
+ *addr = data;
|
|
|
+
|
|
|
+ /* arm simple, non interrupt dependent timer */
|
|
|
+ reset_timer_masked ();
|
|
|
+
|
|
|
+ /* wait while polling the status register */
|
|
|
+ while (((val = *addr) & 0x80) != 0x80) {
|
|
|
+ if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
|
|
|
+ rc = ERR_TIMOUT;
|
|
|
+ /* suspend program command */
|
|
|
+ *addr = 0xB0;
|
|
|
+ goto outahere;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (val & 0x1A) { /* check for error */
|
|
|
+ printf ("\nFlash write error %02x at address %08lx\n",
|
|
|
+ (int) val, (unsigned long) dest);
|
|
|
+ if (val & (1 << 3)) {
|
|
|
+ printf ("Voltage range error.\n");
|
|
|
+ rc = ERR_PROG_ERROR;
|
|
|
+ goto outahere;
|
|
|
+ }
|
|
|
+ if (val & (1 << 1)) {
|
|
|
+ printf ("Device protect error.\n");
|
|
|
+ rc = ERR_PROTECTED;
|
|
|
+ goto outahere;
|
|
|
+ }
|
|
|
+ if (val & (1 << 4)) {
|
|
|
+ printf ("Programming error.\n");
|
|
|
+ rc = ERR_PROG_ERROR;
|
|
|
+ goto outahere;
|
|
|
+ }
|
|
|
+ rc = ERR_PROG_ERROR;
|
|
|
+ goto outahere;
|
|
|
+ }
|
|
|
|
|
|
outahere:
|
|
|
- /* read array command */
|
|
|
- *addr = 0xFF;
|
|
|
+ /* read array command */
|
|
|
+ *addr = 0xFF;
|
|
|
|
|
|
- if (flag)
|
|
|
- enable_interrupts();
|
|
|
+ if (flag)
|
|
|
+ enable_interrupts ();
|
|
|
|
|
|
- return rc;
|
|
|
+ return rc;
|
|
|
}
|
|
|
|
|
|
/*-----------------------------------------------------------------------
|
|
|
* Copy memory to flash.
|
|
|
*/
|
|
|
|
|
|
-int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
|
|
|
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
|
|
|
{
|
|
|
- ulong cp, wp;
|
|
|
- ushort data;
|
|
|
- int l;
|
|
|
- int i, rc;
|
|
|
-
|
|
|
- wp = (addr & ~1); /* 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 << 8);
|
|
|
- }
|
|
|
- for (; i<2 && cnt>0; ++i) {
|
|
|
- data = (data >> 8) | (*src++ << 8);
|
|
|
- --cnt;
|
|
|
- ++cp;
|
|
|
- }
|
|
|
- for (; cnt==0 && i<2; ++i, ++cp) {
|
|
|
- data = (data >> 8) | (*(uchar *)cp << 8);
|
|
|
- }
|
|
|
-
|
|
|
- if ((rc = write_word(info, wp, data)) != 0) {
|
|
|
- return (rc);
|
|
|
- }
|
|
|
- wp += 2;
|
|
|
- }
|
|
|
-
|
|
|
- /*
|
|
|
- * handle word aligned part
|
|
|
- */
|
|
|
- while (cnt >= 2) {
|
|
|
- data = *((vu_short*)src);
|
|
|
- if ((rc = write_word(info, wp, data)) != 0) {
|
|
|
- return (rc);
|
|
|
- }
|
|
|
- src += 2;
|
|
|
- wp += 2;
|
|
|
- cnt -= 2;
|
|
|
- }
|
|
|
-
|
|
|
- if (cnt == 0) {
|
|
|
- return ERR_OK;
|
|
|
- }
|
|
|
-
|
|
|
- /*
|
|
|
- * handle unaligned tail bytes
|
|
|
- */
|
|
|
- data = 0;
|
|
|
- for (i=0, cp=wp; i<2 && cnt>0; ++i, ++cp) {
|
|
|
- data = (data >> 8) | (*src++ << 8);
|
|
|
- --cnt;
|
|
|
- }
|
|
|
- for (; i<2; ++i, ++cp) {
|
|
|
- data = (data >> 8) | (*(uchar *)cp << 8);
|
|
|
- }
|
|
|
-
|
|
|
- return write_word(info, wp, data);
|
|
|
+ ulong cp, wp;
|
|
|
+ ushort data;
|
|
|
+ int l;
|
|
|
+ int i, rc;
|
|
|
+
|
|
|
+ wp = (addr & ~1); /* 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 << 8);
|
|
|
+ }
|
|
|
+ for (; i < 2 && cnt > 0; ++i) {
|
|
|
+ data = (data >> 8) | (*src++ << 8);
|
|
|
+ --cnt;
|
|
|
+ ++cp;
|
|
|
+ }
|
|
|
+ for (; cnt == 0 && i < 2; ++i, ++cp) {
|
|
|
+ data = (data >> 8) | (*(uchar *) cp << 8);
|
|
|
+ }
|
|
|
+
|
|
|
+ if ((rc = write_word (info, wp, data)) != 0) {
|
|
|
+ return (rc);
|
|
|
+ }
|
|
|
+ wp += 2;
|
|
|
+ }
|
|
|
+
|
|
|
+ /*
|
|
|
+ * handle word aligned part
|
|
|
+ */
|
|
|
+ while (cnt >= 2) {
|
|
|
+ data = *((vu_short *) src);
|
|
|
+ if ((rc = write_word (info, wp, data)) != 0) {
|
|
|
+ return (rc);
|
|
|
+ }
|
|
|
+ src += 2;
|
|
|
+ wp += 2;
|
|
|
+ cnt -= 2;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (cnt == 0) {
|
|
|
+ return ERR_OK;
|
|
|
+ }
|
|
|
+
|
|
|
+ /*
|
|
|
+ * handle unaligned tail bytes
|
|
|
+ */
|
|
|
+ data = 0;
|
|
|
+ for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) {
|
|
|
+ data = (data >> 8) | (*src++ << 8);
|
|
|
+ --cnt;
|
|
|
+ }
|
|
|
+ for (; i < 2; ++i, ++cp) {
|
|
|
+ data = (data >> 8) | (*(uchar *) cp << 8);
|
|
|
+ }
|
|
|
+
|
|
|
+ return write_word (info, wp, data);
|
|
|
}
|