diff options
Diffstat (limited to 'src/flash/nor/efm32.c')
| -rw-r--r-- | src/flash/nor/efm32.c | 155 |
1 files changed, 70 insertions, 85 deletions
diff --git a/src/flash/nor/efm32.c b/src/flash/nor/efm32.c index bd77a96..d268bea 100644 --- a/src/flash/nor/efm32.c +++ b/src/flash/nor/efm32.c @@ -228,6 +228,70 @@ static int efm32x_read_info(struct flash_bank *bank, return ERROR_OK; } +/* + * Helper to create a human friendly string describing a part + */ +static int efm32x_decode_info(struct efm32_info *info, char *buf, int buf_size) +{ + int printed = 0; + + switch (info->part_family) { + case EZR_FAMILY_ID_WONDER_GECKO: + case EZR_FAMILY_ID_LEOPARD_GECKO: + printed = snprintf(buf, buf_size, "EZR32 "); + break; + default: + printed = snprintf(buf, buf_size, "EFM32 "); + } + + buf += printed; + buf_size -= printed; + + if (0 >= buf_size) + return ERROR_BUF_TOO_SMALL; + + switch (info->part_family) { + case EFM_FAMILY_ID_GECKO: + printed = snprintf(buf, buf_size, "Gecko"); + break; + case EFM_FAMILY_ID_GIANT_GECKO: + printed = snprintf(buf, buf_size, "Giant Gecko"); + break; + case EFM_FAMILY_ID_TINY_GECKO: + printed = snprintf(buf, buf_size, "Tiny Gecko"); + break; + case EFM_FAMILY_ID_LEOPARD_GECKO: + case EZR_FAMILY_ID_LEOPARD_GECKO: + printed = snprintf(buf, buf_size, "Leopard Gecko"); + break; + case EFM_FAMILY_ID_WONDER_GECKO: + case EZR_FAMILY_ID_WONDER_GECKO: + printed = snprintf(buf, buf_size, "Wonder Gecko"); + break; + case EFM_FAMILY_ID_ZERO_GECKO: + printed = snprintf(buf, buf_size, "Zero Gecko"); + break; + case EFM_FAMILY_ID_HAPPY_GECKO: + printed = snprintf(buf, buf_size, "Happy Gecko"); + break; + } + + buf += printed; + buf_size -= printed; + + if (0 >= buf_size) + return ERROR_BUF_TOO_SMALL; + + printed = snprintf(buf, buf_size, " - Rev: %d", info->prod_rev); + buf += printed; + buf_size -= printed; + + if (0 >= buf_size) + return ERROR_BUF_TOO_SMALL; + + return ERROR_OK; +} + /* flash bank efm32 <base> <size> 0 0 <target#> */ FLASH_BANK_COMMAND_HANDLER(efm32x_flash_bank_command) @@ -833,6 +897,7 @@ static int efm32x_probe(struct flash_bank *bank) int ret; int i; uint32_t base_address = 0x00000000; + char buf[256]; efm32x_info->probed = 0; memset(efm32x_info->lb_page, 0xff, LOCKBITS_PAGE_SZ); @@ -841,36 +906,11 @@ static int efm32x_probe(struct flash_bank *bank) if (ERROR_OK != ret) return ret; - switch (efm32_mcu_info.part_family) { - case EFM_FAMILY_ID_GECKO: - LOG_INFO("Gecko MCU detected"); - break; - case EFM_FAMILY_ID_GIANT_GECKO: - LOG_INFO("Giant Gecko MCU detected"); - break; - case EFM_FAMILY_ID_TINY_GECKO: - LOG_INFO("Tiny Gecko MCU detected"); - break; - case EFM_FAMILY_ID_LEOPARD_GECKO: - case EZR_FAMILY_ID_LEOPARD_GECKO: - LOG_INFO("Leopard Gecko MCU detected"); - break; - case EFM_FAMILY_ID_WONDER_GECKO: - case EZR_FAMILY_ID_WONDER_GECKO: - LOG_INFO("Wonder Gecko MCU detected"); - break; - case EFM_FAMILY_ID_ZERO_GECKO: - LOG_INFO("Zero Gecko MCU detected"); - break; - case EFM_FAMILY_ID_HAPPY_GECKO: - LOG_INFO("Happy Gecko MCU detected"); - break; - default: - LOG_ERROR("Unsupported MCU family %d", - efm32_mcu_info.part_family); - return ERROR_FAIL; - } + ret = efm32x_decode_info(&efm32_mcu_info, buf, sizeof(buf)); + if (ERROR_OK != ret) + return ret; + LOG_INFO("detected part: %s", buf); LOG_INFO("flash size = %dkbytes", efm32_mcu_info.flash_sz_kib); LOG_INFO("flash page size = %dbytes", efm32_mcu_info.page_size); @@ -947,7 +987,6 @@ static int get_efm32x_info(struct flash_bank *bank, char *buf, int buf_size) { struct efm32_info info; int ret = 0; - int printed = 0; ret = efm32x_read_info(bank, &info); if (ERROR_OK != ret) { @@ -955,61 +994,7 @@ static int get_efm32x_info(struct flash_bank *bank, char *buf, int buf_size) return ret; } - switch (info.part_family) { - case EZR_FAMILY_ID_WONDER_GECKO: - case EZR_FAMILY_ID_LEOPARD_GECKO: - printed = snprintf(buf, buf_size, "EZR32 "); - break; - default: - printed = snprintf(buf, buf_size, "EFM32 "); - } - - buf += printed; - buf_size -= printed; - - if (0 >= buf_size) - return ERROR_BUF_TOO_SMALL; - - switch (info.part_family) { - case EFM_FAMILY_ID_GECKO: - printed = snprintf(buf, buf_size, "Gecko"); - break; - case EFM_FAMILY_ID_GIANT_GECKO: - printed = snprintf(buf, buf_size, "Giant Gecko"); - break; - case EFM_FAMILY_ID_TINY_GECKO: - printed = snprintf(buf, buf_size, "Tiny Gecko"); - break; - case EFM_FAMILY_ID_LEOPARD_GECKO: - case EZR_FAMILY_ID_LEOPARD_GECKO: - printed = snprintf(buf, buf_size, "Leopard Gecko"); - break; - case EFM_FAMILY_ID_WONDER_GECKO: - case EZR_FAMILY_ID_WONDER_GECKO: - printed = snprintf(buf, buf_size, "Wonder Gecko"); - break; - case EFM_FAMILY_ID_ZERO_GECKO: - printed = snprintf(buf, buf_size, "Zero Gecko"); - break; - case EFM_FAMILY_ID_HAPPY_GECKO: - printed = snprintf(buf, buf_size, "Happy Gecko"); - break; - } - - buf += printed; - buf_size -= printed; - - if (0 >= buf_size) - return ERROR_BUF_TOO_SMALL; - - printed = snprintf(buf, buf_size, " - Rev: %d", info.prod_rev); - buf += printed; - buf_size -= printed; - - if (0 >= buf_size) - return ERROR_BUF_TOO_SMALL; - - return ERROR_OK; + return efm32x_decode_info(&info, buf, buf_size); } static const struct command_registration efm32x_exec_command_handlers[] = { |