int cfi_protect(struct flash_bank_s *bank, int set, int first, int last);
int cfi_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
int cfi_probe(struct flash_bank_s *bank);
+int cfi_auto_probe(struct flash_bank_s *bank);
int cfi_erase_check(struct flash_bank_s *bank);
int cfi_protect_check(struct flash_bank_s *bank);
int cfi_info(struct flash_bank_s *bank, char *buf, int buf_size);
.protect = cfi_protect,
.write = cfi_write,
.probe = cfi_probe,
+ .auto_probe = cfi_auto_probe,
.erase_check = cfi_erase_check,
.protect_check = cfi_protect_check,
.info = cfi_info
{CFI_MFR_SST, 0x00D5, cfi_fixup_non_cfi, NULL},
{CFI_MFR_SST, 0x00D6, cfi_fixup_non_cfi, NULL},
{CFI_MFR_SST, 0x00D7, cfi_fixup_non_cfi, NULL},
+ {CFI_MFR_SST, 0x2780, cfi_fixup_non_cfi, NULL},
{CFI_MFR_ST, 0x00D5, cfi_fixup_non_cfi, NULL},
{CFI_MFR_ST, 0x00D6, cfi_fixup_non_cfi, NULL},
{CFI_MFR_AMD, 0x2223, cfi_fixup_non_cfi, NULL},
{CFI_MFR_SST, 0x00D5, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
{CFI_MFR_SST, 0x00D6, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
{CFI_MFR_SST, 0x00D7, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
+ {CFI_MFR_SST, 0x2780, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
{CFI_MFR_ATMEL, 0x00C8, cfi_fixup_atmel_reversed_erase_regions, NULL},
{CFI_MFR_ANY, CFI_ID_ANY, cfi_fixup_0002_erase_regions, NULL},
{0, 0, NULL, NULL}
int cfi_register_commands(struct command_context_s *cmd_ctx)
{
- /*command_t *cfi_cmd = */register_command(cmd_ctx, NULL, "cfi", NULL, COMMAND_ANY, NULL);
+ /*command_t *cfi_cmd = */
+ register_command(cmd_ctx, NULL, "cfi", NULL, COMMAND_ANY, "flash bank cfi <base> <size> <chip_width> <bus_width> <targetNum> [jedec_probe/x16_as_x8]");
/*
register_command(cmd_ctx, cfi_cmd, "part_id", cfi_handle_part_id_command, COMMAND_EXEC,
"print part id of cfi flash bank <num>");
}
cfi_info = malloc(sizeof(cfi_flash_bank_t));
+ cfi_info->probed = 0;
bank->driver_priv = cfi_info;
cfi_info->write_algorithm = NULL;
}
/* allocate working area */
- if (target_alloc_working_area(target, 24 * 4,
- &cfi_info->write_algorithm) != ERROR_OK)
+ retval=target_alloc_working_area(target, 24 * 4,
+ &cfi_info->write_algorithm);
+ if (retval != ERROR_OK)
{
- WARNING("no working area available, can't do block memory writes");
- return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ return retval;
}
/* write algorithm code to working area */
int i;
int retval;
- if (bank->target->state != TARGET_HALTED)
- {
- return ERROR_TARGET_NOT_HALTED;
- }
-
if (offset + count > bank->size)
return ERROR_FLASH_DST_OUT_OF_BANK;
{
INFO("Programming at %08x, count %08x bytes remaining", write_p, count);
}
+#if 0
+ /* NB! this is broken for spansion! */
if ((count > bufferwsize) && !(write_p & buffermask))
{
retval = cfi_write_words(bank, buffer, bufferwsize, write_p);
count -= buffersize;
}
else
+#endif
{
for (i = 0; i < bank->bus_width; i++)
current_word[i] = 0;
u32 unlock1 = 0x555;
u32 unlock2 = 0x2aa;
+ cfi_info->probed = 0;
+
/* JEDEC standard JESD21C uses 0x5555 and 0x2aaa as unlock addresses,
* while CFI compatible AMD/Spansion flashes use 0x555 and 0x2aa
*/
}
}
}
+
+ cfi_info->probed = 1;
return ERROR_OK;
}
+int cfi_auto_probe(struct flash_bank_s *bank)
+{
+ cfi_flash_bank_t *cfi_info = bank->driver_priv;
+ if (cfi_info->probed)
+ return ERROR_OK;
+ return cfi_probe(bank);
+}
+
int cfi_erase_check(struct flash_bank_s *bank)
{
cfi_flash_bank_t *cfi_info = bank->driver_priv;