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@@ -26,9 +26,9 @@
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#include <common.h>
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#include <common.h>
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#define FLASH_BANK_SIZE 0x1000000
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#define FLASH_BANK_SIZE 0x1000000
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-#define MAIN_SECT_SIZE 0x20000 /* 2x64k = 128k per sector */
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+#define MAIN_SECT_SIZE 0x20000 /* 2x64k = 128k per sector */
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-flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
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+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
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/* NOTE - CONFIG_FLASH_16BIT means the CPU interface is 16-bit, it
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/* NOTE - CONFIG_FLASH_16BIT means the CPU interface is 16-bit, it
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* has nothing to do with the flash chip being 8-bit or 16-bit.
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* has nothing to do with the flash chip being 8-bit or 16-bit.
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@@ -53,16 +53,14 @@ typedef volatile unsigned long FLASH_PORT_WIDTHV;
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/*-----------------------------------------------------------------------
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/*-----------------------------------------------------------------------
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* Functions
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* Functions
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*/
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*/
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-static ulong flash_get_size (FPWV * addr, flash_info_t * info);
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-static void flash_reset (flash_info_t * info);
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-static int write_word_intel (flash_info_t * info, FPWV * dest, FPW data);
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-static int write_word_amd (flash_info_t * info, FPWV * dest, FPW data);
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-
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+static ulong flash_get_size(FPWV *addr, flash_info_t *info);
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+static void flash_reset(flash_info_t *info);
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+static int write_word_intel(flash_info_t *info, FPWV *dest, FPW data);
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+static int write_word_amd(flash_info_t *info, FPWV *dest, FPW data);
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#define write_word(in, de, da) write_word_amd(in, de, da)
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#define write_word(in, de, da) write_word_amd(in, de, da)
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-static void flash_get_offsets (ulong base, flash_info_t * info);
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-
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+static void flash_get_offsets(ulong base, flash_info_t *info);
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#ifdef CFG_FLASH_PROTECTION
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#ifdef CFG_FLASH_PROTECTION
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-static void flash_sync_real_protect (flash_info_t * info);
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+static void flash_sync_real_protect(flash_info_t *info);
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#endif
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#endif
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/*-----------------------------------------------------------------------
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/*-----------------------------------------------------------------------
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@@ -70,95 +68,99 @@ static void flash_sync_real_protect (flash_info_t * info);
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*
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*
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* sets up flash_info and returns size of FLASH (bytes)
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* sets up flash_info and returns size of FLASH (bytes)
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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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{
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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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- (FLASH_MAN_AMD & FLASH_VENDMASK) |
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- (FLASH_AM640U & 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 to 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] = flashbase + j * MAIN_SECT_SIZE;
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- }
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- size += flash_info[i].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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+ {
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+ ulong flashbase = 0;
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+ flash_info[i].flash_id =
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+ (FLASH_MAN_AMD & FLASH_VENDMASK) |
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+ (FLASH_AM640U & 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 to 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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}
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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 + _armboot_end_data - _armboot_start,
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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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+ 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 + _armboot_end_data - _armboot_start,
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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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}
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}
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/*-----------------------------------------------------------------------
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/*-----------------------------------------------------------------------
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*/
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*/
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-static void flash_reset (flash_info_t * info)
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+static void flash_reset(flash_info_t *info)
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{
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{
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- FPWV *base = (FPWV *) (info->start[0]);
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+ FPWV *base = (FPWV *)(info->start[0]);
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/* Put FLASH back in read mode */
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/* Put FLASH back in read mode */
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if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL)
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if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL)
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- *base = (FPW) 0x00FF00FF; /* Intel Read Mode */
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+ *base = (FPW)0x00FF00FF; /* Intel Read Mode */
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else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD)
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else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD)
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- *base = (FPW) 0x00F000F0; /* AMD Read Mode */
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+ *base = (FPW)0x00F000F0; /* AMD Read Mode */
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}
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}
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/*-----------------------------------------------------------------------
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/*-----------------------------------------------------------------------
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*/
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*/
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-static void flash_get_offsets (ulong base, flash_info_t * info)
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+static void flash_get_offsets (ulong base, flash_info_t *info)
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{
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{
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int i;
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int i;
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/* set up sector start address table */
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/* set up sector start address table */
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if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL
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if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL
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- && (info->flash_id & FLASH_BTYPE)) {
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- int bootsect_size; /* number of bytes/boot sector */
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+ && (info->flash_id & FLASH_BTYPE)) {
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+ int bootsect_size; /* number of bytes/boot sector */
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int sect_size; /* number of bytes/regular sector */
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int sect_size; /* number of bytes/regular sector */
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- bootsect_size = 0x00002000 * (sizeof (FPW) / 2);
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- sect_size = 0x00010000 * (sizeof (FPW) / 2);
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+ bootsect_size = 0x00002000 * (sizeof(FPW)/2);
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+ sect_size = 0x00010000 * (sizeof(FPW)/2);
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- /* set sector offsets for bottom boot block type */
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+ /* set sector offsets for bottom boot block type */
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for (i = 0; i < 8; ++i) {
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for (i = 0; i < 8; ++i) {
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info->start[i] = base + (i * bootsect_size);
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info->start[i] = base + (i * bootsect_size);
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}
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}
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for (i = 8; i < info->sector_count; i++) {
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for (i = 8; i < info->sector_count; i++) {
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info->start[i] = base + ((i - 7) * sect_size);
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info->start[i] = base + ((i - 7) * sect_size);
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}
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}
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- } else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD
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- && (info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U) {
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+ }
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+ else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD
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+ && (info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U) {
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int sect_size; /* number of bytes/sector */
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int sect_size; /* number of bytes/sector */
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- sect_size = 0x00010000 * (sizeof (FPW) / 2);
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+ sect_size = 0x00010000 * (sizeof(FPW)/2);
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/* set up sector start address table (uniform sector type) */
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/* set up sector start address table (uniform sector type) */
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- for (i = 0; i < info->sector_count; i++)
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+ for( i = 0; i < info->sector_count; i++ )
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info->start[i] = base + (i * sect_size);
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info->start[i] = base + (i * sect_size);
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}
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}
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}
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}
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@@ -166,7 +168,7 @@ static void flash_get_offsets (ulong base, flash_info_t * info)
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/*-----------------------------------------------------------------------
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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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{
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int i;
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int i;
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uchar *boottype;
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uchar *boottype;
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@@ -183,34 +185,21 @@ void flash_print_info (flash_info_t * info)
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}
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}
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switch (info->flash_id & FLASH_VENDMASK) {
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switch (info->flash_id & FLASH_VENDMASK) {
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- case FLASH_MAN_AMD:
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- printf ("AMD ");
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- break;
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- case FLASH_MAN_BM:
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- printf ("BRIGHT MICRO ");
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- break;
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- case FLASH_MAN_FUJ:
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- printf ("FUJITSU ");
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- break;
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- case FLASH_MAN_SST:
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- printf ("SST ");
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- break;
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- case FLASH_MAN_STM:
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- printf ("STM ");
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- break;
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- case FLASH_MAN_INTEL:
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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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+ case FLASH_MAN_AMD: printf ("AMD "); break;
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+ case FLASH_MAN_BM: printf ("BRIGHT MICRO "); break;
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+ case FLASH_MAN_FUJ: printf ("FUJITSU "); break;
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+ case FLASH_MAN_SST: printf ("SST "); break;
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+ case FLASH_MAN_STM: printf ("STM "); break;
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+ case FLASH_MAN_INTEL: printf ("INTEL "); break;
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+ default: printf ("Unknown Vendor "); break;
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}
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}
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/* check for top or bottom boot, if it applies */
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/* check for top or bottom boot, if it applies */
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if (info->flash_id & FLASH_BTYPE) {
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if (info->flash_id & FLASH_BTYPE) {
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boottype = botboottype;
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boottype = botboottype;
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bootletter = botbootletter;
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bootletter = botbootletter;
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- } else {
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+ }
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+ else {
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boottype = topboottype;
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boottype = topboottype;
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bootletter = topbootletter;
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bootletter = topbootletter;
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}
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}
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@@ -219,32 +208,32 @@ void flash_print_info (flash_info_t * info)
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case FLASH_AM640U:
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case FLASH_AM640U:
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fmt = "29LV641D (64 Mbit, uniform sectors)\n";
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fmt = "29LV641D (64 Mbit, uniform sectors)\n";
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break;
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break;
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- case FLASH_28F800C3B:
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- case FLASH_28F800C3T:
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+ case FLASH_28F800C3B:
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+ case FLASH_28F800C3T:
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fmt = "28F800C3%s (8 Mbit, %s)\n";
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fmt = "28F800C3%s (8 Mbit, %s)\n";
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break;
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break;
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case FLASH_INTEL800B:
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case FLASH_INTEL800B:
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case FLASH_INTEL800T:
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case FLASH_INTEL800T:
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fmt = "28F800B3%s (8 Mbit, %s)\n";
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fmt = "28F800B3%s (8 Mbit, %s)\n";
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break;
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break;
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- case FLASH_28F160C3B:
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- case FLASH_28F160C3T:
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+ case FLASH_28F160C3B:
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+ case FLASH_28F160C3T:
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fmt = "28F160C3%s (16 Mbit, %s)\n";
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fmt = "28F160C3%s (16 Mbit, %s)\n";
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break;
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break;
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case FLASH_INTEL160B:
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case FLASH_INTEL160B:
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case FLASH_INTEL160T:
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case FLASH_INTEL160T:
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fmt = "28F160B3%s (16 Mbit, %s)\n";
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fmt = "28F160B3%s (16 Mbit, %s)\n";
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break;
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break;
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- case FLASH_28F320C3B:
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- case FLASH_28F320C3T:
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+ case FLASH_28F320C3B:
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+ case FLASH_28F320C3T:
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fmt = "28F320C3%s (32 Mbit, %s)\n";
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fmt = "28F320C3%s (32 Mbit, %s)\n";
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break;
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break;
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case FLASH_INTEL320B:
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case FLASH_INTEL320B:
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case FLASH_INTEL320T:
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case FLASH_INTEL320T:
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fmt = "28F320B3%s (32 Mbit, %s)\n";
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fmt = "28F320B3%s (32 Mbit, %s)\n";
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break;
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break;
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- case FLASH_28F640C3B:
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- case FLASH_28F640C3T:
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+ case FLASH_28F640C3B:
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+ case FLASH_28F640C3T:
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fmt = "28F640C3%s (64 Mbit, %s)\n";
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fmt = "28F640C3%s (64 Mbit, %s)\n";
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break;
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break;
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case FLASH_INTEL640B:
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case FLASH_INTEL640B:
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@@ -259,11 +248,12 @@ void flash_print_info (flash_info_t * info)
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printf (fmt, bootletter, boottype);
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printf (fmt, bootletter, boottype);
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printf (" Size: %ld MB in %d Sectors\n",
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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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+ info->size >> 20,
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+ info->sector_count);
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printf (" Sector Start Addresses:");
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printf (" Sector Start Addresses:");
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- for (i = 0; i < info->sector_count; ++i) {
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+ for (i=0; i<info->sector_count; ++i) {
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if ((i % 5) == 0) {
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if ((i % 5) == 0) {
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printf ("\n ");
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printf ("\n ");
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}
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}
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@@ -282,25 +272,25 @@ void flash_print_info (flash_info_t * info)
|
|
* The following code cannot be run from FLASH!
|
|
* The following code cannot be run from FLASH!
|
|
*/
|
|
*/
|
|
|
|
|
|
-ulong flash_get_size (FPWV * addr, flash_info_t * info)
|
|
|
|
|
|
+ulong flash_get_size (FPWV *addr, flash_info_t *info)
|
|
{
|
|
{
|
|
/* Write auto select command: read Manufacturer ID */
|
|
/* Write auto select command: read Manufacturer ID */
|
|
|
|
|
|
/* Write auto select command sequence and test FLASH answer */
|
|
/* Write auto select command sequence and test FLASH answer */
|
|
- addr[0x0555] = (FPW) 0x00AA00AA; /* for AMD, Intel ignores this */
|
|
|
|
- addr[0x02AA] = (FPW) 0x00550055; /* for AMD, Intel ignores this */
|
|
|
|
- addr[0x0555] = (FPW) 0x00900090; /* selects Intel or AMD */
|
|
|
|
|
|
+ addr[0x0555] = (FPW)0x00AA00AA; /* for AMD, Intel ignores this */
|
|
|
|
+ addr[0x02AA] = (FPW)0x00550055; /* for AMD, Intel ignores this */
|
|
|
|
+ addr[0x0555] = (FPW)0x00900090; /* selects Intel or AMD */
|
|
|
|
|
|
/* The manufacturer codes are only 1 byte, so just use 1 byte.
|
|
/* The manufacturer codes are only 1 byte, so just use 1 byte.
|
|
* This works for any bus width and any FLASH device width.
|
|
* This works for any bus width and any FLASH device width.
|
|
*/
|
|
*/
|
|
switch (addr[0] & 0xff) {
|
|
switch (addr[0] & 0xff) {
|
|
|
|
|
|
- case (uchar) AMD_MANUFACT:
|
|
|
|
|
|
+ case (uchar)AMD_MANUFACT:
|
|
info->flash_id = FLASH_MAN_AMD;
|
|
info->flash_id = FLASH_MAN_AMD;
|
|
break;
|
|
break;
|
|
|
|
|
|
- case (uchar) INTEL_MANUFACT:
|
|
|
|
|
|
+ case (uchar)INTEL_MANUFACT:
|
|
info->flash_id = FLASH_MAN_INTEL;
|
|
info->flash_id = FLASH_MAN_INTEL;
|
|
break;
|
|
break;
|
|
|
|
|
|
@@ -312,74 +302,73 @@ ulong flash_get_size (FPWV * addr, flash_info_t * info)
|
|
}
|
|
}
|
|
|
|
|
|
/* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */
|
|
/* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */
|
|
- if (info->flash_id != FLASH_UNKNOWN)
|
|
|
|
- switch (addr[1]) {
|
|
|
|
-
|
|
|
|
- case (FPW) AMD_ID_LV640U: /* 29LV640 and 29LV641 have same ID */
|
|
|
|
- info->flash_id += FLASH_AM640U;
|
|
|
|
- info->sector_count = 128;
|
|
|
|
- info->size = 0x00800000 * (sizeof (FPW) / 2);
|
|
|
|
- break; /* => 8 or 16 MB */
|
|
|
|
-
|
|
|
|
- case (FPW) INTEL_ID_28F800C3B:
|
|
|
|
- info->flash_id += FLASH_28F800C3B;
|
|
|
|
- info->sector_count = 23;
|
|
|
|
- info->size = 0x00100000 * (sizeof (FPW) / 2);
|
|
|
|
- break; /* => 1 or 2 MB */
|
|
|
|
-
|
|
|
|
- case (FPW) INTEL_ID_28F800B3B:
|
|
|
|
- info->flash_id += FLASH_INTEL800B;
|
|
|
|
- info->sector_count = 23;
|
|
|
|
- info->size = 0x00100000 * (sizeof (FPW) / 2);
|
|
|
|
- break; /* => 1 or 2 MB */
|
|
|
|
-
|
|
|
|
- case (FPW) INTEL_ID_28F160C3B:
|
|
|
|
- info->flash_id += FLASH_28F160C3B;
|
|
|
|
- info->sector_count = 39;
|
|
|
|
- info->size = 0x00200000 * (sizeof (FPW) / 2);
|
|
|
|
- break; /* => 2 or 4 MB */
|
|
|
|
-
|
|
|
|
- case (FPW) INTEL_ID_28F160B3B:
|
|
|
|
- info->flash_id += FLASH_INTEL160B;
|
|
|
|
- info->sector_count = 39;
|
|
|
|
- info->size = 0x00200000 * (sizeof (FPW) / 2);
|
|
|
|
- break; /* => 2 or 4 MB */
|
|
|
|
-
|
|
|
|
- case (FPW) INTEL_ID_28F320C3B:
|
|
|
|
- info->flash_id += FLASH_28F320C3B;
|
|
|
|
- info->sector_count = 71;
|
|
|
|
- info->size = 0x00400000 * (sizeof (FPW) / 2);
|
|
|
|
- break; /* => 4 or 8 MB */
|
|
|
|
-
|
|
|
|
- case (FPW) INTEL_ID_28F320B3B:
|
|
|
|
- info->flash_id += FLASH_INTEL320B;
|
|
|
|
- info->sector_count = 71;
|
|
|
|
- info->size = 0x00400000 * (sizeof (FPW) / 2);
|
|
|
|
- break; /* => 4 or 8 MB */
|
|
|
|
-
|
|
|
|
- case (FPW) INTEL_ID_28F640C3B:
|
|
|
|
- info->flash_id += FLASH_28F640C3B;
|
|
|
|
- info->sector_count = 135;
|
|
|
|
- info->size = 0x00800000 * (sizeof (FPW) / 2);
|
|
|
|
- break; /* => 8 or 16 MB */
|
|
|
|
-
|
|
|
|
- case (FPW) INTEL_ID_28F640B3B:
|
|
|
|
- info->flash_id += FLASH_INTEL640B;
|
|
|
|
- info->sector_count = 135;
|
|
|
|
- info->size = 0x00800000 * (sizeof (FPW) / 2);
|
|
|
|
- break; /* => 8 or 16 MB */
|
|
|
|
-
|
|
|
|
- default:
|
|
|
|
- info->flash_id = FLASH_UNKNOWN;
|
|
|
|
- info->sector_count = 0;
|
|
|
|
- info->size = 0;
|
|
|
|
- return (0); /* => no or unknown flash */
|
|
|
|
- }
|
|
|
|
|
|
+ if (info->flash_id != FLASH_UNKNOWN) switch (addr[1]) {
|
|
|
|
+
|
|
|
|
+ case (FPW)AMD_ID_LV640U: /* 29LV640 and 29LV641 have same ID */
|
|
|
|
+ info->flash_id += FLASH_AM640U;
|
|
|
|
+ info->sector_count = 128;
|
|
|
|
+ info->size = 0x00800000 * (sizeof(FPW)/2);
|
|
|
|
+ break; /* => 8 or 16 MB */
|
|
|
|
+
|
|
|
|
+ case (FPW)INTEL_ID_28F800C3B:
|
|
|
|
+ info->flash_id += FLASH_28F800C3B;
|
|
|
|
+ info->sector_count = 23;
|
|
|
|
+ info->size = 0x00100000 * (sizeof(FPW)/2);
|
|
|
|
+ break; /* => 1 or 2 MB */
|
|
|
|
+
|
|
|
|
+ case (FPW)INTEL_ID_28F800B3B:
|
|
|
|
+ info->flash_id += FLASH_INTEL800B;
|
|
|
|
+ info->sector_count = 23;
|
|
|
|
+ info->size = 0x00100000 * (sizeof(FPW)/2);
|
|
|
|
+ break; /* => 1 or 2 MB */
|
|
|
|
+
|
|
|
|
+ case (FPW)INTEL_ID_28F160C3B:
|
|
|
|
+ info->flash_id += FLASH_28F160C3B;
|
|
|
|
+ info->sector_count = 39;
|
|
|
|
+ info->size = 0x00200000 * (sizeof(FPW)/2);
|
|
|
|
+ break; /* => 2 or 4 MB */
|
|
|
|
+
|
|
|
|
+ case (FPW)INTEL_ID_28F160B3B:
|
|
|
|
+ info->flash_id += FLASH_INTEL160B;
|
|
|
|
+ info->sector_count = 39;
|
|
|
|
+ info->size = 0x00200000 * (sizeof(FPW)/2);
|
|
|
|
+ break; /* => 2 or 4 MB */
|
|
|
|
+
|
|
|
|
+ case (FPW)INTEL_ID_28F320C3B:
|
|
|
|
+ info->flash_id += FLASH_28F320C3B;
|
|
|
|
+ info->sector_count = 71;
|
|
|
|
+ info->size = 0x00400000 * (sizeof(FPW)/2);
|
|
|
|
+ break; /* => 4 or 8 MB */
|
|
|
|
+
|
|
|
|
+ case (FPW)INTEL_ID_28F320B3B:
|
|
|
|
+ info->flash_id += FLASH_INTEL320B;
|
|
|
|
+ info->sector_count = 71;
|
|
|
|
+ info->size = 0x00400000 * (sizeof(FPW)/2);
|
|
|
|
+ break; /* => 4 or 8 MB */
|
|
|
|
+
|
|
|
|
+ case (FPW)INTEL_ID_28F640C3B:
|
|
|
|
+ info->flash_id += FLASH_28F640C3B;
|
|
|
|
+ info->sector_count = 135;
|
|
|
|
+ info->size = 0x00800000 * (sizeof(FPW)/2);
|
|
|
|
+ break; /* => 8 or 16 MB */
|
|
|
|
+
|
|
|
|
+ case (FPW)INTEL_ID_28F640B3B:
|
|
|
|
+ info->flash_id += FLASH_INTEL640B;
|
|
|
|
+ info->sector_count = 135;
|
|
|
|
+ info->size = 0x00800000 * (sizeof(FPW)/2);
|
|
|
|
+ break; /* => 8 or 16 MB */
|
|
|
|
|
|
- flash_get_offsets ((ulong) addr, info);
|
|
|
|
|
|
+ default:
|
|
|
|
+ info->flash_id = FLASH_UNKNOWN;
|
|
|
|
+ info->sector_count = 0;
|
|
|
|
+ info->size = 0;
|
|
|
|
+ return (0); /* => no or unknown flash */
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ flash_get_offsets((ulong)addr, info);
|
|
|
|
|
|
/* Put FLASH back in read mode */
|
|
/* Put FLASH back in read mode */
|
|
- flash_reset (info);
|
|
|
|
|
|
+ flash_reset(info);
|
|
|
|
|
|
return (info->size);
|
|
return (info->size);
|
|
}
|
|
}
|
|
@@ -388,50 +377,50 @@ ulong flash_get_size (FPWV * addr, flash_info_t * info)
|
|
/*-----------------------------------------------------------------------
|
|
/*-----------------------------------------------------------------------
|
|
*/
|
|
*/
|
|
|
|
|
|
-static void flash_sync_real_protect (flash_info_t * info)
|
|
|
|
|
|
+static void flash_sync_real_protect(flash_info_t *info)
|
|
{
|
|
{
|
|
- FPWV *addr = (FPWV *) (info->start[0]);
|
|
|
|
- FPWV *sect;
|
|
|
|
- int i;
|
|
|
|
-
|
|
|
|
- switch (info->flash_id & FLASH_TYPEMASK) {
|
|
|
|
- case FLASH_28F800C3B:
|
|
|
|
- case FLASH_28F800C3T:
|
|
|
|
- case FLASH_28F160C3B:
|
|
|
|
- case FLASH_28F160C3T:
|
|
|
|
- case FLASH_28F320C3B:
|
|
|
|
- case FLASH_28F320C3T:
|
|
|
|
- case FLASH_28F640C3B:
|
|
|
|
- case FLASH_28F640C3T:
|
|
|
|
- /* check for protected sectors */
|
|
|
|
- *addr = (FPW) 0x00900090;
|
|
|
|
- for (i = 0; i < info->sector_count; i++) {
|
|
|
|
- /* read sector protection at sector address, (A7 .. A0) = 0x02.
|
|
|
|
- * D0 = 1 for each device if protected.
|
|
|
|
- * If at least one device is protected the sector is marked
|
|
|
|
- * protected, but mixed protected and unprotected devices
|
|
|
|
- * within a sector should never happen.
|
|
|
|
- */
|
|
|
|
- sect = (FPWV *) (info->start[i]);
|
|
|
|
- info->protect[i] = (sect[2] & (FPW) (0x00010001)) ? 1 : 0;
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- /* Put FLASH back in read mode */
|
|
|
|
- flash_reset (info);
|
|
|
|
- break;
|
|
|
|
-
|
|
|
|
- case FLASH_AM640U:
|
|
|
|
- default:
|
|
|
|
- /* no hardware protect that we support */
|
|
|
|
- break;
|
|
|
|
|
|
+ FPWV *addr = (FPWV *)(info->start[0]);
|
|
|
|
+ FPWV *sect;
|
|
|
|
+ int i;
|
|
|
|
+
|
|
|
|
+ switch (info->flash_id & FLASH_TYPEMASK) {
|
|
|
|
+ case FLASH_28F800C3B:
|
|
|
|
+ case FLASH_28F800C3T:
|
|
|
|
+ case FLASH_28F160C3B:
|
|
|
|
+ case FLASH_28F160C3T:
|
|
|
|
+ case FLASH_28F320C3B:
|
|
|
|
+ case FLASH_28F320C3T:
|
|
|
|
+ case FLASH_28F640C3B:
|
|
|
|
+ case FLASH_28F640C3T:
|
|
|
|
+ /* check for protected sectors */
|
|
|
|
+ *addr = (FPW)0x00900090;
|
|
|
|
+ for (i = 0; i < info->sector_count; i++) {
|
|
|
|
+ /* read sector protection at sector address, (A7 .. A0) = 0x02.
|
|
|
|
+ * D0 = 1 for each device if protected.
|
|
|
|
+ * If at least one device is protected the sector is marked
|
|
|
|
+ * protected, but mixed protected and unprotected devices
|
|
|
|
+ * within a sector should never happen.
|
|
|
|
+ */
|
|
|
|
+ sect = (FPWV *)(info->start[i]);
|
|
|
|
+ info->protect[i] = (sect[2] & (FPW)(0x00010001)) ? 1 : 0;
|
|
}
|
|
}
|
|
|
|
+
|
|
|
|
+ /* Put FLASH back in read mode */
|
|
|
|
+ flash_reset(info);
|
|
|
|
+ break;
|
|
|
|
+
|
|
|
|
+ case FLASH_AM640U:
|
|
|
|
+ default:
|
|
|
|
+ /* no hardware protect that we support */
|
|
|
|
+ break;
|
|
|
|
+ }
|
|
}
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
|
|
/*-----------------------------------------------------------------------
|
|
/*-----------------------------------------------------------------------
|
|
*/
|
|
*/
|
|
|
|
|
|
-int flash_erase (flash_info_t * info, int s_first, int s_last)
|
|
|
|
|
|
+int flash_erase (flash_info_t *info, int s_first, int s_last)
|
|
{
|
|
{
|
|
FPWV *addr;
|
|
FPWV *addr;
|
|
int flag, prot, sect;
|
|
int flag, prot, sect;
|
|
@@ -467,7 +456,7 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
|
|
}
|
|
}
|
|
|
|
|
|
prot = 0;
|
|
prot = 0;
|
|
- for (sect = s_first; sect <= s_last; ++sect) {
|
|
|
|
|
|
+ for (sect=s_first; sect<=s_last; ++sect) {
|
|
if (info->protect[sect]) {
|
|
if (info->protect[sect]) {
|
|
prot++;
|
|
prot++;
|
|
}
|
|
}
|
|
@@ -475,60 +464,61 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
|
|
|
|
|
|
if (prot) {
|
|
if (prot) {
|
|
printf ("- Warning: %d protected sectors will not be erased!\n",
|
|
printf ("- Warning: %d protected sectors will not be erased!\n",
|
|
- prot);
|
|
|
|
|
|
+ prot);
|
|
} else {
|
|
} else {
|
|
printf ("\n");
|
|
printf ("\n");
|
|
}
|
|
}
|
|
|
|
|
|
- start = get_timer (0);
|
|
|
|
- last = start;
|
|
|
|
|
|
+ start = get_timer(0);
|
|
|
|
+ last = start;
|
|
|
|
|
|
/* Start erase on unprotected sectors */
|
|
/* Start erase on unprotected sectors */
|
|
- for (sect = s_first; sect <= s_last && rcode == 0; sect++) {
|
|
|
|
|
|
+ for (sect = s_first; sect<=s_last && rcode == 0; sect++) {
|
|
|
|
|
|
if (info->protect[sect] != 0) /* protected, skip it */
|
|
if (info->protect[sect] != 0) /* protected, skip it */
|
|
continue;
|
|
continue;
|
|
|
|
|
|
/* Disable interrupts which might cause a timeout here */
|
|
/* Disable interrupts which might cause a timeout here */
|
|
- flag = disable_interrupts ();
|
|
|
|
|
|
+ flag = disable_interrupts();
|
|
|
|
|
|
- addr = (FPWV *) (info->start[sect]);
|
|
|
|
|
|
+ addr = (FPWV *)(info->start[sect]);
|
|
if (intel) {
|
|
if (intel) {
|
|
- *addr = (FPW) 0x00500050; /* clear status register */
|
|
|
|
- *addr = (FPW) 0x00200020; /* erase setup */
|
|
|
|
- *addr = (FPW) 0x00D000D0; /* erase confirm */
|
|
|
|
- } else {
|
|
|
|
|
|
+ *addr = (FPW)0x00500050; /* clear status register */
|
|
|
|
+ *addr = (FPW)0x00200020; /* erase setup */
|
|
|
|
+ *addr = (FPW)0x00D000D0; /* erase confirm */
|
|
|
|
+ }
|
|
|
|
+ else {
|
|
/* must be AMD style if not Intel */
|
|
/* must be AMD style if not Intel */
|
|
- FPWV *base; /* first address in bank */
|
|
|
|
-
|
|
|
|
- base = (FPWV *) (info->start[0]);
|
|
|
|
- base[0x0555] = (FPW) 0x00AA00AA; /* unlock */
|
|
|
|
- base[0x02AA] = (FPW) 0x00550055; /* unlock */
|
|
|
|
- base[0x0555] = (FPW) 0x00800080; /* erase mode */
|
|
|
|
- base[0x0555] = (FPW) 0x00AA00AA; /* unlock */
|
|
|
|
- base[0x02AA] = (FPW) 0x00550055; /* unlock */
|
|
|
|
- *addr = (FPW) 0x00300030; /* erase sector */
|
|
|
|
|
|
+ FPWV *base; /* first address in bank */
|
|
|
|
+
|
|
|
|
+ base = (FPWV *)(info->start[0]);
|
|
|
|
+ base[0x0555] = (FPW)0x00AA00AA; /* unlock */
|
|
|
|
+ base[0x02AA] = (FPW)0x00550055; /* unlock */
|
|
|
|
+ base[0x0555] = (FPW)0x00800080; /* erase mode */
|
|
|
|
+ base[0x0555] = (FPW)0x00AA00AA; /* unlock */
|
|
|
|
+ base[0x02AA] = (FPW)0x00550055; /* unlock */
|
|
|
|
+ *addr = (FPW)0x00300030; /* erase sector */
|
|
}
|
|
}
|
|
|
|
|
|
/* re-enable interrupts if necessary */
|
|
/* re-enable interrupts if necessary */
|
|
if (flag)
|
|
if (flag)
|
|
- enable_interrupts ();
|
|
|
|
|
|
+ enable_interrupts();
|
|
|
|
|
|
/* wait at least 50us for AMD, 80us for Intel.
|
|
/* wait at least 50us for AMD, 80us for Intel.
|
|
* Let's wait 1 ms.
|
|
* Let's wait 1 ms.
|
|
*/
|
|
*/
|
|
udelay (1000);
|
|
udelay (1000);
|
|
|
|
|
|
- while ((*addr & (FPW) 0x00800080) != (FPW) 0x00800080) {
|
|
|
|
- if ((now = get_timer (start)) > CFG_FLASH_ERASE_TOUT) {
|
|
|
|
|
|
+ while ((*addr & (FPW)0x00800080) != (FPW)0x00800080) {
|
|
|
|
+ if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
|
|
printf ("Timeout\n");
|
|
printf ("Timeout\n");
|
|
|
|
|
|
if (intel) {
|
|
if (intel) {
|
|
- /* suspend erase */
|
|
|
|
- *addr = (FPW) 0x00B000B0;
|
|
|
|
|
|
+ /* suspend erase */
|
|
|
|
+ *addr = (FPW)0x00B000B0;
|
|
}
|
|
}
|
|
|
|
|
|
- flash_reset (info); /* reset to read mode */
|
|
|
|
|
|
+ flash_reset(info); /* reset to read mode */
|
|
rcode = 1; /* failed */
|
|
rcode = 1; /* failed */
|
|
break;
|
|
break;
|
|
}
|
|
}
|
|
@@ -540,7 +530,7 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
- flash_reset (info); /* reset to read mode */
|
|
|
|
|
|
+ flash_reset(info); /* reset to read mode */
|
|
}
|
|
}
|
|
|
|
|
|
printf (" done\n");
|
|
printf (" done\n");
|
|
@@ -555,48 +545,46 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
|
|
*/
|
|
*/
|
|
int bad_write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
|
|
int bad_write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
|
|
{
|
|
{
|
|
- FPW data = 0; /* 16 or 32 bit word, matches flash bus width */
|
|
|
|
- int bytes; /* number of bytes to program in current word */
|
|
|
|
- int left; /* number of bytes left to program */
|
|
|
|
- int i, res;
|
|
|
|
-
|
|
|
|
- /* printf("write_buff: src: %8p addr %08lx count: %ld\n", src, addr, cnt); */
|
|
|
|
|
|
+ FPW data = 0; /* 16 or 32 bit word, matches flash bus width on MPC8XX */
|
|
|
|
+ int bytes; /* number of bytes to program in current word */
|
|
|
|
+ int left; /* number of bytes left to program */
|
|
|
|
+ int i, res;
|
|
|
|
|
|
- for (left = cnt, res = 0;
|
|
|
|
- left > 0 && res == 0;
|
|
|
|
- addr += sizeof (data), left -= sizeof (data) - bytes) {
|
|
|
|
|
|
+ for (left = cnt, res = 0;
|
|
|
|
+ left > 0 && res == 0;
|
|
|
|
+ addr += sizeof(data), left -= sizeof(data) - bytes) {
|
|
|
|
|
|
- bytes = addr & (sizeof (data) - 1);
|
|
|
|
- addr &= ~(sizeof (data) - 1);
|
|
|
|
|
|
+ bytes = addr & (sizeof(data) - 1);
|
|
|
|
+ addr &= ~(sizeof(data) - 1);
|
|
|
|
|
|
- /* combine source and destination data so can program
|
|
|
|
- * an entire word of 16 or 32 bits
|
|
|
|
- */
|
|
|
|
- for (i = 0; i < sizeof (data); i++) {
|
|
|
|
- data <<= 8;
|
|
|
|
- if (i < bytes || i - bytes >= left)
|
|
|
|
- data += *((uchar *) addr + i);
|
|
|
|
- else
|
|
|
|
- data += *src++;
|
|
|
|
- }
|
|
|
|
|
|
+ /* combine source and destination data so can program
|
|
|
|
+ * an entire word of 16 or 32 bits
|
|
|
|
+ */
|
|
|
|
+ for (i = 0; i < sizeof(data); i++) {
|
|
|
|
+ data <<= 8;
|
|
|
|
+ if (i < bytes || i - bytes >= left )
|
|
|
|
+ data += *((uchar *)addr + i);
|
|
|
|
+ else
|
|
|
|
+ data += *src++;
|
|
|
|
+ }
|
|
|
|
|
|
- /* write one word to the flash */
|
|
|
|
- switch (info->flash_id & FLASH_VENDMASK) {
|
|
|
|
- case FLASH_MAN_AMD:
|
|
|
|
- res = write_word_amd (info, (FPWV *) addr, data);
|
|
|
|
- break;
|
|
|
|
- case FLASH_MAN_INTEL:
|
|
|
|
- res = write_word_intel (info, (FPWV *) addr, data);
|
|
|
|
- break;
|
|
|
|
- default:
|
|
|
|
- /* unknown flash type, error! */
|
|
|
|
- printf ("missing or unknown FLASH type\n");
|
|
|
|
- res = 1; /* not really a timeout, but gives error */
|
|
|
|
- break;
|
|
|
|
- }
|
|
|
|
|
|
+ /* write one word to the flash */
|
|
|
|
+ switch (info->flash_id & FLASH_VENDMASK) {
|
|
|
|
+ case FLASH_MAN_AMD:
|
|
|
|
+ res = write_word_amd(info, (FPWV *)addr, data);
|
|
|
|
+ break;
|
|
|
|
+ case FLASH_MAN_INTEL:
|
|
|
|
+ res = write_word_intel(info, (FPWV *)addr, data);
|
|
|
|
+ break;
|
|
|
|
+ default:
|
|
|
|
+ /* unknown flash type, error! */
|
|
|
|
+ printf ("missing or unknown FLASH type\n");
|
|
|
|
+ res = 1; /* not really a timeout, but gives error */
|
|
|
|
+ break;
|
|
}
|
|
}
|
|
|
|
+ }
|
|
|
|
|
|
- return (res);
|
|
|
|
|
|
+ return (res);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
/**
|
|
@@ -610,7 +598,7 @@ int bad_write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
|
|
* @return error code
|
|
* @return error code
|
|
*/
|
|
*/
|
|
|
|
|
|
-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;
|
|
ulong cp, wp;
|
|
FPW data;
|
|
FPW data;
|
|
@@ -624,19 +612,19 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
|
|
*/
|
|
*/
|
|
if ((l = addr - wp) != 0) {
|
|
if ((l = addr - wp) != 0) {
|
|
data = 0;
|
|
data = 0;
|
|
- for (i = 0, cp = wp; i < l; ++i, ++cp) {
|
|
|
|
- data = (data >> 8) | (*(uchar *) cp << 8);
|
|
|
|
|
|
+ for (i=0, cp=wp; i<l; ++i, ++cp) {
|
|
|
|
+ data = (data >> 8) | (*(uchar *)cp << 8);
|
|
}
|
|
}
|
|
- for (; i < 2 && cnt > 0; ++i) {
|
|
|
|
|
|
+ for (; i<2 && cnt>0; ++i) {
|
|
data = (data >> 8) | (*src++ << 8);
|
|
data = (data >> 8) | (*src++ << 8);
|
|
--cnt;
|
|
--cnt;
|
|
++cp;
|
|
++cp;
|
|
}
|
|
}
|
|
- for (; cnt == 0 && i < 2; ++i, ++cp) {
|
|
|
|
- data = (data >> 8) | (*(uchar *) cp << 8);
|
|
|
|
|
|
+ for (; cnt==0 && i<2; ++i, ++cp) {
|
|
|
|
+ data = (data >> 8) | (*(uchar *)cp << 8);
|
|
}
|
|
}
|
|
|
|
|
|
- if ((rc = write_word (info, wp, data)) != 0) {
|
|
|
|
|
|
+ if ((rc = write_word(info, wp, data)) != 0) {
|
|
return (rc);
|
|
return (rc);
|
|
}
|
|
}
|
|
wp += 2;
|
|
wp += 2;
|
|
@@ -647,31 +635,30 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
|
|
*/
|
|
*/
|
|
while (cnt >= 2) {
|
|
while (cnt >= 2) {
|
|
/* data = *((vushort*)src); */
|
|
/* data = *((vushort*)src); */
|
|
- data = *((FPW *) src);
|
|
|
|
- if ((rc = write_word (info, wp, data)) != 0) {
|
|
|
|
|
|
+ data = *((FPW*)src);
|
|
|
|
+ if ((rc = write_word(info, wp, data)) != 0) {
|
|
return (rc);
|
|
return (rc);
|
|
}
|
|
}
|
|
- src += sizeof (FPW);
|
|
|
|
- wp += sizeof (FPW);
|
|
|
|
- cnt -= sizeof (FPW);
|
|
|
|
|
|
+ src += sizeof(FPW);
|
|
|
|
+ wp += sizeof(FPW);
|
|
|
|
+ cnt -= sizeof(FPW);
|
|
}
|
|
}
|
|
|
|
|
|
- if (cnt == 0)
|
|
|
|
- return ERR_OK;
|
|
|
|
|
|
+ if (cnt == 0) return ERR_OK;
|
|
|
|
|
|
/*
|
|
/*
|
|
* handle unaligned tail bytes
|
|
* handle unaligned tail bytes
|
|
*/
|
|
*/
|
|
data = 0;
|
|
data = 0;
|
|
- for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) {
|
|
|
|
|
|
+ for (i=0, cp=wp; i<2 && cnt>0; ++i, ++cp) {
|
|
data = (data >> 8) | (*src++ << 8);
|
|
data = (data >> 8) | (*src++ << 8);
|
|
--cnt;
|
|
--cnt;
|
|
}
|
|
}
|
|
- for (; i < 2; ++i, ++cp) {
|
|
|
|
- data = (data >> 8) | (*(uchar *) cp << 8);
|
|
|
|
|
|
+ for (; i<2; ++i, ++cp) {
|
|
|
|
+ data = (data >> 8) | (*(uchar *)cp << 8);
|
|
}
|
|
}
|
|
|
|
|
|
- return write_word (info, wp, data);
|
|
|
|
|
|
+ return write_word(info, wp, data);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
@@ -686,45 +673,44 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
|
|
* 1 - write timeout
|
|
* 1 - write timeout
|
|
* 2 - Flash not erased
|
|
* 2 - Flash not erased
|
|
*/
|
|
*/
|
|
-static int write_word_amd (flash_info_t * info, FPWV * dest, FPW data)
|
|
|
|
|
|
+static int write_word_amd (flash_info_t *info, FPWV *dest, FPW data)
|
|
{
|
|
{
|
|
- ulong start;
|
|
|
|
- int flag;
|
|
|
|
- int res = 0; /* result, assume success */
|
|
|
|
- FPWV *base; /* first address in flash bank */
|
|
|
|
-
|
|
|
|
- /* Check if Flash is (sufficiently) erased */
|
|
|
|
- if ((*dest & data) != data) {
|
|
|
|
- return (2);
|
|
|
|
- }
|
|
|
|
|
|
+ ulong start;
|
|
|
|
+ int flag;
|
|
|
|
+ int res = 0; /* result, assume success */
|
|
|
|
+ FPWV *base; /* first address in flash bank */
|
|
|
|
|
|
|
|
+ /* Check if Flash is (sufficiently) erased */
|
|
|
|
+ if ((*dest & data) != data) {
|
|
|
|
+ return (2);
|
|
|
|
+ }
|
|
|
|
|
|
- base = (FPWV *) (info->start[0]);
|
|
|
|
- /* Disable interrupts which might cause a timeout here */
|
|
|
|
- flag = disable_interrupts ();
|
|
|
|
|
|
|
|
- base[0x0555] = (FPW) 0x00AA00AA; /* unlock */
|
|
|
|
- base[0x02AA] = (FPW) 0x00550055; /* unlock */
|
|
|
|
- base[0x0555] = (FPW) 0x00A000A0; /* selects program mode */
|
|
|
|
|
|
+ base = (FPWV *)(info->start[0]);
|
|
|
|
+ /* Disable interrupts which might cause a timeout here */
|
|
|
|
+ flag = disable_interrupts();
|
|
|
|
|
|
- *dest = data; /* start programming the data */
|
|
|
|
|
|
+ base[0x0555] = (FPW)0x00AA00AA; /* unlock */
|
|
|
|
+ base[0x02AA] = (FPW)0x00550055; /* unlock */
|
|
|
|
+ base[0x0555] = (FPW)0x00A000A0; /* selects program mode */
|
|
|
|
|
|
- /* re-enable interrupts if necessary */
|
|
|
|
- if (flag)
|
|
|
|
- enable_interrupts ();
|
|
|
|
|
|
+ *dest = data; /* start programming the data */
|
|
|
|
|
|
- start = get_timer (0);
|
|
|
|
|
|
+ /* re-enable interrupts if necessary */
|
|
|
|
+ if (flag)
|
|
|
|
+ enable_interrupts();
|
|
|
|
|
|
- /* data polling for D7 */
|
|
|
|
- while (res == 0
|
|
|
|
- && (*dest & (FPW) 0x00800080) != (data & (FPW) 0x00800080)) {
|
|
|
|
- if (get_timer (start) > CFG_FLASH_WRITE_TOUT) {
|
|
|
|
- *dest = (FPW) 0x00F000F0; /* reset bank */
|
|
|
|
- res = 1;
|
|
|
|
- }
|
|
|
|
|
|
+ start = get_timer (0);
|
|
|
|
+
|
|
|
|
+ /* data polling for D7 */
|
|
|
|
+ while (res == 0 && (*dest & (FPW)0x00800080) != (data & (FPW)0x00800080)) {
|
|
|
|
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
|
|
|
|
+ *dest = (FPW)0x00F000F0; /* reset bank */
|
|
|
|
+ res = 1;
|
|
}
|
|
}
|
|
|
|
+ }
|
|
|
|
|
|
- return (res);
|
|
|
|
|
|
+ return (res);
|
|
}
|
|
}
|
|
|
|
|
|
/*-----------------------------------------------------------------------
|
|
/*-----------------------------------------------------------------------
|
|
@@ -737,46 +723,46 @@ static int write_word_amd (flash_info_t * info, FPWV * dest, FPW data)
|
|
* 1 - write timeout
|
|
* 1 - write timeout
|
|
* 2 - Flash not erased
|
|
* 2 - Flash not erased
|
|
*/
|
|
*/
|
|
-static int write_word_intel (flash_info_t * info, FPWV * dest, FPW data)
|
|
|
|
|
|
+static int write_word_intel (flash_info_t *info, FPWV *dest, FPW data)
|
|
{
|
|
{
|
|
- ulong start;
|
|
|
|
- int flag;
|
|
|
|
- int res = 0; /* result, assume success */
|
|
|
|
|
|
+ ulong start;
|
|
|
|
+ int flag;
|
|
|
|
+ int res = 0; /* result, assume success */
|
|
|
|
|
|
- /* Check if Flash is (sufficiently) erased */
|
|
|
|
- if ((*dest & data) != data) {
|
|
|
|
- return (2);
|
|
|
|
- }
|
|
|
|
|
|
+ /* Check if Flash is (sufficiently) erased */
|
|
|
|
+ if ((*dest & data) != data) {
|
|
|
|
+ return (2);
|
|
|
|
+ }
|
|
|
|
|
|
- /* Disable interrupts which might cause a timeout here */
|
|
|
|
- flag = disable_interrupts ();
|
|
|
|
|
|
+ /* Disable interrupts which might cause a timeout here */
|
|
|
|
+ flag = disable_interrupts();
|
|
|
|
|
|
- *dest = (FPW) 0x00500050; /* clear status register */
|
|
|
|
- *dest = (FPW) 0x00FF00FF; /* make sure in read mode */
|
|
|
|
- *dest = (FPW) 0x00400040; /* program setup */
|
|
|
|
|
|
+ *dest = (FPW)0x00500050; /* clear status register */
|
|
|
|
+ *dest = (FPW)0x00FF00FF; /* make sure in read mode */
|
|
|
|
+ *dest = (FPW)0x00400040; /* program setup */
|
|
|
|
|
|
- *dest = data; /* start programming the data */
|
|
|
|
|
|
+ *dest = data; /* start programming the data */
|
|
|
|
|
|
- /* re-enable interrupts if necessary */
|
|
|
|
- if (flag)
|
|
|
|
- enable_interrupts ();
|
|
|
|
|
|
+ /* re-enable interrupts if necessary */
|
|
|
|
+ if (flag)
|
|
|
|
+ enable_interrupts();
|
|
|
|
|
|
- start = get_timer (0);
|
|
|
|
|
|
+ start = get_timer (0);
|
|
|
|
|
|
- while (res == 0 && (*dest & (FPW) 0x00800080) != (FPW) 0x00800080) {
|
|
|
|
- if (get_timer (start) > CFG_FLASH_WRITE_TOUT) {
|
|
|
|
- *dest = (FPW) 0x00B000B0; /* Suspend program */
|
|
|
|
- res = 1;
|
|
|
|
- }
|
|
|
|
|
|
+ while (res == 0 && (*dest & (FPW)0x00800080) != (FPW)0x00800080) {
|
|
|
|
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
|
|
|
|
+ *dest = (FPW)0x00B000B0; /* Suspend program */
|
|
|
|
+ res = 1;
|
|
}
|
|
}
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|
|
|
+ }
|
|
|
|
|
|
- if (res == 0 && (*dest & (FPW) 0x00100010))
|
|
|
|
- res = 1; /* write failed, time out error is close enough */
|
|
|
|
|
|
+ if (res == 0 && (*dest & (FPW)0x00100010))
|
|
|
|
+ res = 1; /* write failed, time out error is close enough */
|
|
|
|
|
|
- *dest = (FPW) 0x00500050; /* clear status register */
|
|
|
|
- *dest = (FPW) 0x00FF00FF; /* make sure in read mode */
|
|
|
|
|
|
+ *dest = (FPW)0x00500050; /* clear status register */
|
|
|
|
+ *dest = (FPW)0x00FF00FF; /* make sure in read mode */
|
|
|
|
|
|
- return (res);
|
|
|
|
|
|
+ return (res);
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef CFG_FLASH_PROTECTION
|
|
#ifdef CFG_FLASH_PROTECTION
|
|
@@ -784,8 +770,8 @@ static int write_word_intel (flash_info_t * info, FPWV * dest, FPW data)
|
|
*/
|
|
*/
|
|
int flash_real_protect (flash_info_t * info, long sector, int prot)
|
|
int flash_real_protect (flash_info_t * info, long sector, int prot)
|
|
{
|
|
{
|
|
- int rcode = 0; /* assume success */
|
|
|
|
- FPWV *addr; /* address of sector */
|
|
|
|
|
|
+ int rcode = 0; /* assume success */
|
|
|
|
+ FPWV *addr; /* address of sector */
|
|
FPW value;
|
|
FPW value;
|
|
|
|
|
|
addr = (FPWV *) (info->start[sector]);
|
|
addr = (FPWV *) (info->start[sector]);
|
|
@@ -826,7 +812,7 @@ int flash_real_protect (flash_info_t * info, long sector, int prot)
|
|
info->protect[sector] = 1;
|
|
info->protect[sector] = 1;
|
|
}
|
|
}
|
|
if (info->protect[sector] != prot)
|
|
if (info->protect[sector] != prot)
|
|
- rcode = 1; /* failed to protect/unprotect as requested */
|
|
|
|
|
|
+ rcode = 1; /* failed to protect/unprotect as requested */
|
|
|
|
|
|
/* reload all protection bits from hardware for now */
|
|
/* reload all protection bits from hardware for now */
|
|
flash_sync_real_protect (info);
|
|
flash_sync_real_protect (info);
|