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EFM32 Wonder Gecko Family support 

Add support for EFM32 Wonder Gecko family to flash driver.
This family has Cortex M4F core.

Change-Id: If71511015403069e3e30cb9f19df12cd97ac49e8
Signed-off-by: Joerg Fischer <turboj@gmx.de>
Reviewed-on: http://openocd.zylin.com/1968
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Joerg Fischer 2014-02-23 18:09:50 +01:00 committed by Spencer Oliver
parent bb0ef230ca
commit de4a2189a5
1 changed files with 22 additions and 1 deletions
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23
src/flash/nor/efm32.c
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@ -42,6 +42,7 @@
#define EFM_FAMILY_ID_GIANT_GECKO 72 #define EFM_FAMILY_ID_GIANT_GECKO 72
#define EFM_FAMILY_ID_TINY_GECKO 73 #define EFM_FAMILY_ID_TINY_GECKO 73
#define EFM_FAMILY_ID_LEOPARD_GECKO 74 #define EFM_FAMILY_ID_LEOPARD_GECKO 74
#define EFM_FAMILY_ID_WONDER_GECKO 75
#define EFM32_FLASH_ERASE_TMO 100 #define EFM32_FLASH_ERASE_TMO 100
#define EFM32_FLASH_WDATAREADY_TMO 100 #define EFM32_FLASH_WDATAREADY_TMO 100
@ -139,8 +140,10 @@ static int efm32x_read_info(struct flash_bank *bank,
if (((cpuid >> 4) & 0xfff) == 0xc23) { if (((cpuid >> 4) & 0xfff) == 0xc23) {
/* Cortex M3 device */ /* Cortex M3 device */
} else if (((cpuid >> 4) & 0xfff) == 0xc24) {
/* Cortex M4 device */
} else { } else {
LOG_ERROR("Target is not CortexM3"); LOG_ERROR("Target is not CortexM3 or M4");
return ERROR_FAIL; return ERROR_FAIL;
} }
@ -191,6 +194,18 @@ static int efm32x_read_info(struct flash_bank *bank,
LOG_ERROR("Invalid page size %u", efm32_info->page_size); LOG_ERROR("Invalid page size %u", efm32_info->page_size);
return ERROR_FAIL; return ERROR_FAIL;
} }
} else if (EFM_FAMILY_ID_WONDER_GECKO == efm32_info->part_family) {
uint8_t pg_size = 0;
ret = target_read_u8(bank->target, EFM32_MSC_DI_PAGE_SIZE,
&pg_size);
if (ERROR_OK != ret)
return ret;
efm32_info->page_size = (1 << ((pg_size+10) & 0xff));
if (2048 != efm32_info->page_size) {
LOG_ERROR("Invalid page size %u", efm32_info->page_size);
return ERROR_FAIL;
}
} else { } else {
LOG_ERROR("Unknown MCU family %d", efm32_info->part_family); LOG_ERROR("Unknown MCU family %d", efm32_info->part_family);
return ERROR_FAIL; return ERROR_FAIL;
@ -825,6 +840,9 @@ static int efm32x_probe(struct flash_bank *bank)
case EFM_FAMILY_ID_LEOPARD_GECKO: case EFM_FAMILY_ID_LEOPARD_GECKO:
LOG_INFO("Leopard Gecko MCU detected"); LOG_INFO("Leopard Gecko MCU detected");
break; break;
case EFM_FAMILY_ID_WONDER_GECKO:
LOG_INFO("Wonder Gecko MCU detected");
break;
default: default:
LOG_ERROR("Unsupported MCU family %d", LOG_ERROR("Unsupported MCU family %d",
efm32_mcu_info.part_family); efm32_mcu_info.part_family);
@ -935,6 +953,9 @@ static int get_efm32x_info(struct flash_bank *bank, char *buf, int buf_size)
case EFM_FAMILY_ID_LEOPARD_GECKO: case EFM_FAMILY_ID_LEOPARD_GECKO:
printed = snprintf(buf, buf_size, "Leopard Gecko"); printed = snprintf(buf, buf_size, "Leopard Gecko");
break; break;
case EFM_FAMILY_ID_WONDER_GECKO:
printed = snprintf(buf, buf_size, "Wonder Gecko");
break;
} }
buf += printed; buf += printed;