diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/flash/nor/kinetis.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/flash/nor/kinetis.c b/src/flash/nor/kinetis.c index 8ebdbbea..dc3dc459 100644 --- a/src/flash/nor/kinetis.c +++ b/src/flash/nor/kinetis.c @@ -356,6 +356,7 @@ static const struct kinetis_type kinetis_types_old[] = { static bool allow_fcf_writes; static uint8_t fcf_fopt = 0xff; +static bool create_banks; struct flash_driver kinetis_flash; @@ -859,6 +860,87 @@ FLASH_BANK_COMMAND_HANDLER(kinetis_flash_bank_command) return ERROR_OK; } + +static int kinetis_create_missing_banks(struct kinetis_chip *k_chip) +{ + unsigned bank_idx; + unsigned num_blocks; + struct kinetis_flash_bank *k_bank; + struct flash_bank *bank; + char base_name[80], name[80], num[4]; + char *class, *p; + + num_blocks = k_chip->num_pflash_blocks + k_chip->num_nvm_blocks; + if (num_blocks > KINETIS_MAX_BANKS) { + LOG_ERROR("Only %u Kinetis flash banks are supported", KINETIS_MAX_BANKS); + return ERROR_FAIL; + } + + bank = k_chip->banks[0].bank; + if (bank && bank->name) { + strncpy(base_name, bank->name, sizeof(base_name)); + p = strstr(base_name, ".pflash"); + if (p) { + *p = '\0'; + if (k_chip->num_pflash_blocks > 1) { + /* rename first bank if numbering is needed */ + snprintf(name, sizeof(name), "%s.pflash0", base_name); + free((void *)bank->name); + bank->name = strdup(name); + } + } + } else { + strncpy(base_name, target_name(k_chip->target), sizeof(base_name)); + p = strstr(base_name, ".cpu"); + if (p) + *p = '\0'; + } + + for (bank_idx = 1; bank_idx < num_blocks; bank_idx++) { + k_bank = &(k_chip->banks[bank_idx]); + bank = k_bank->bank; + + if (bank) + continue; + + num[0] = '\0'; + + if (bank_idx < k_chip->num_pflash_blocks) { + class = "pflash"; + if (k_chip->num_pflash_blocks > 1) + snprintf(num, sizeof(num), "%u", bank_idx); + } else { + class = "flexnvm"; + if (k_chip->num_nvm_blocks > 1) + snprintf(num, sizeof(num), "%u", + bank_idx - k_chip->num_pflash_blocks); + } + + bank = calloc(sizeof(struct flash_bank), 1); + if (bank == NULL) + return ERROR_FAIL; + + bank->target = k_chip->target; + bank->driver = &kinetis_flash; + bank->default_padded_value = bank->erased_value = 0xff; + + snprintf(name, sizeof(name), "%s.%s%s", + base_name, class, num); + bank->name = strdup(name); + + bank->driver_priv = k_bank = &(k_chip->banks[k_chip->num_banks]); + k_bank->k_chip = k_chip; + k_bank->bank_number = bank_idx; + k_bank->bank = bank; + if (k_chip->num_banks <= bank_idx) + k_chip->num_banks = bank_idx + 1; + + flash_bank_add(bank); + } + return ERROR_OK; +} + + /* Disable the watchdog on Kinetis devices */ int kinetis_disable_wdog(struct target *target, uint32_t sim_sdid) { @@ -2176,6 +2258,10 @@ static int kinetis_probe_chip(struct kinetis_chip *k_chip) } k_chip->probed = true; + + if (create_banks) + kinetis_create_missing_banks(k_chip); + return ERROR_OK; } @@ -2596,6 +2682,16 @@ COMMAND_HANDLER(kinetis_fopt_handler) return ERROR_OK; } +COMMAND_HANDLER(kinetis_create_banks_handler) +{ + if (CMD_ARGC > 0) + return ERROR_COMMAND_SYNTAX_ERROR; + + create_banks = true; + + return ERROR_OK; +} + static const struct command_registration kinetis_security_command_handlers[] = { { @@ -2666,6 +2762,12 @@ static const struct command_registration kinetis_exec_command_handlers[] = { .usage = "[num]", .handler = kinetis_fopt_handler, }, + { + .name = "create_banks", + .mode = COMMAND_CONFIG, + .help = "Driver creates additional banks if device with two/four flash blocks is probed", + .handler = kinetis_create_banks_handler, + }, COMMAND_REGISTRATION_DONE }; |