diff options
| -rw-r--r-- | src/flash/nor/efm32.c | 272 |
1 files changed, 146 insertions, 126 deletions
diff --git a/src/flash/nor/efm32.c b/src/flash/nor/efm32.c index b8453e1d..282b6bdd 100644 --- a/src/flash/nor/efm32.c +++ b/src/flash/nor/efm32.c @@ -38,19 +38,8 @@ #include <target/armv7m.h> #include <target/cortex_m.h> -/* keep family IDs in decimal */ -#define EFM_FAMILY_ID_GECKO 71 #define EFM_FAMILY_ID_GIANT_GECKO 72 -#define EFM_FAMILY_ID_TINY_GECKO 73 #define EFM_FAMILY_ID_LEOPARD_GECKO 74 -#define EFM_FAMILY_ID_WONDER_GECKO 75 -#define EFM_FAMILY_ID_ZERO_GECKO 76 -#define EFM_FAMILY_ID_HAPPY_GECKO 77 -#define EZR_FAMILY_ID_WONDER_GECKO 120 -#define EZR_FAMILY_ID_LEOPARD_GECKO 121 -#define EZR_FAMILY_ID_HAPPY_GECKO 122 -#define EFR_FAMILY_ID_MIGHTY_GECKO 16 -#define EFR_FAMILY_ID_BLUE_GECKO 20 #define EFM32_FLASH_ERASE_TMO 100 #define EFM32_FLASH_WDATAREADY_TMO 100 @@ -65,7 +54,7 @@ #define EFM32_MSC_LOCK_BITS (EFM32_MSC_INFO_BASE+0x4000) #define EFM32_MSC_DEV_INFO (EFM32_MSC_INFO_BASE+0x8000) -/* PAGE_SIZE is only present in Leopard, Giant and Wonder Gecko MCUs */ +/* PAGE_SIZE is not present in Zero, Happy and the original Gecko MCU */ #define EFM32_MSC_DI_PAGE_SIZE (EFM32_MSC_DEV_INFO+0x1e7) #define EFM32_MSC_DI_FLASH_SZ (EFM32_MSC_DEV_INFO+0x1f8) #define EFM32_MSC_DI_RAM_SZ (EFM32_MSC_DEV_INFO+0x1fa) @@ -74,7 +63,7 @@ #define EFM32_MSC_DI_PROD_REV (EFM32_MSC_DEV_INFO+0x1ff) #define EFM32_MSC_REGBASE 0x400c0000 -#define EFR32_MSC_REGBASE 0x400e0000 +#define EFM32_MSC_REGBASE_SERIES1 0x400e0000 #define EFM32_MSC_REG_WRITECTRL 0x008 #define EFM32_MSC_WRITECTRL_WREN_MASK 0x1 #define EFM32_MSC_REG_WRITECMD 0x00c @@ -91,9 +80,24 @@ #define EFM32_MSC_STATUS_WORDTIMEOUT_MASK 0x10 #define EFM32_MSC_STATUS_ERASEABORTED_MASK 0x20 #define EFM32_MSC_REG_LOCK 0x03c -#define EFR32_MSC_REG_LOCK 0x040 +#define EFM32_MSC_REG_LOCK_SERIES1 0x040 #define EFM32_MSC_LOCK_LOCKKEY 0x1b71 +struct efm32_family_data { + int family_id; + const char *name; + + /* EFM32 series (EFM32LG995F is the "old" series 0, while EFR32MG12P132 + is the "new" series 1). Determines location of MSC registers. */ + int series; + + /* Page size in bytes, or 0 to read from EFM32_MSC_DI_PAGE_SIZE */ + int page_size; + + /* MSC register base address, or 0 to use default */ + uint32_t msc_regbase; +}; + struct efm32x_flash_bank { int probed; uint32_t lb_page[LOCKBITS_PAGE_SZ/4]; @@ -102,6 +106,7 @@ struct efm32x_flash_bank { }; struct efm32_info { + const struct efm32_family_data *family_data; uint16_t flash_sz_kib; uint16_t ram_sz_kib; uint16_t part_num; @@ -110,6 +115,64 @@ struct efm32_info { uint16_t page_size; }; +static const struct efm32_family_data efm32_families[] = { + { 16, "EFR32MG1P Mighty", .series = 1 }, + { 17, "EFR32MG1B Mighty", .series = 1 }, + { 18, "EFR32MG1V Mighty", .series = 1 }, + { 19, "EFR32MG1P Blue", .series = 1 }, + { 20, "EFR32MG1B Blue", .series = 1 }, + { 21, "EFR32MG1V Blue", .series = 1 }, + { 25, "EFR32FG1P Flex", .series = 1 }, + { 26, "EFR32FG1B Flex", .series = 1 }, + { 27, "EFR32FG1V Flex", .series = 1 }, + { 28, "EFR32MG2P Mighty", .series = 1 }, + { 29, "EFR32MG2B Mighty", .series = 1 }, + { 30, "EFR32MG2V Mighty", .series = 1 }, + { 31, "EFR32BG12P Blue", .series = 1 }, + { 32, "EFR32BG12B Blue", .series = 1 }, + { 33, "EFR32BG12V Blue", .series = 1 }, + { 37, "EFR32FG12P Flex", .series = 1 }, + { 38, "EFR32FG12B Flex", .series = 1 }, + { 39, "EFR32FG12V Flex", .series = 1 }, + { 40, "EFR32MG13P Mighty", .series = 1 }, + { 41, "EFR32MG13B Mighty", .series = 1 }, + { 42, "EFR32MG13V Mighty", .series = 1 }, + { 43, "EFR32BG13P Blue", .series = 1 }, + { 44, "EFR32BG13B Blue", .series = 1 }, + { 45, "EFR32BG13V Blue", .series = 1 }, + { 49, "EFR32FG13P Flex", .series = 1 }, + { 50, "EFR32FG13B Flex", .series = 1 }, + { 51, "EFR32FG13V Flex", .series = 1 }, + { 52, "EFR32MG14P Mighty", .series = 1 }, + { 53, "EFR32MG14B Mighty", .series = 1 }, + { 54, "EFR32MG14V Mighty", .series = 1 }, + { 55, "EFR32BG14P Blue", .series = 1 }, + { 56, "EFR32BG14B Blue", .series = 1 }, + { 57, "EFR32BG14V Blue", .series = 1 }, + { 61, "EFR32FG14P Flex", .series = 1 }, + { 62, "EFR32FG14B Flex", .series = 1 }, + { 63, "EFR32FG14V Flex", .series = 1 }, + { 71, "EFM32G", .series = 0, .page_size = 512 }, + { 72, "EFM32GG Giant", .series = 0 }, + { 73, "EFM32TG Tiny", .series = 0, .page_size = 512 }, + { 74, "EFM32LG Leopard", .series = 0 }, + { 75, "EFM32WG Wonder", .series = 0 }, + { 76, "EFM32ZG Zero", .series = 0, .page_size = 1024 }, + { 77, "EFM32HG Happy", .series = 0, .page_size = 1024 }, + { 81, "EFM32PG1B Pearl", .series = 1 }, + { 83, "EFM32JG1B Jade", .series = 1 }, + { 85, "EFM32PG12B Pearl", .series = 1 }, + { 87, "EFM32JG12B Jade", .series = 1 }, + { 89, "EFM32PG13B Pearl", .series = 1 }, + { 91, "EFM32JG13B Jade", .series = 1 }, + { 100, "EFM32GG11B Giant", .series = 1, .msc_regbase = 0x40000000 }, + { 103, "EFM32TG11B Tiny", .series = 1 }, + { 120, "EZR32WG Wonder", .series = 0 }, + { 121, "EZR32LG Leopard", .series = 0 }, + { 122, "EZR32HG Happy", .series = 0, .page_size = 1024 }, +}; + + static int efm32x_write(struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count); @@ -200,51 +263,33 @@ static int efm32x_read_info(struct flash_bank *bank, if (ERROR_OK != ret) return ret; - if (EFR_FAMILY_ID_BLUE_GECKO == efm32_info->part_family || - EFR_FAMILY_ID_MIGHTY_GECKO == efm32_info->part_family) { - efm32x_info->reg_base = EFR32_MSC_REGBASE; - efm32x_info->reg_lock = EFR32_MSC_REG_LOCK; - } else { - efm32x_info->reg_base = EFM32_MSC_REGBASE; - efm32x_info->reg_lock = EFM32_MSC_REG_LOCK; + for (size_t i = 0; i < ARRAY_SIZE(efm32_families); i++) { + if (efm32_families[i].family_id == efm32_info->part_family) + efm32_info->family_data = &efm32_families[i]; } - if (EFM_FAMILY_ID_GECKO == efm32_info->part_family || - EFM_FAMILY_ID_TINY_GECKO == efm32_info->part_family) - efm32_info->page_size = 512; - else if (EFM_FAMILY_ID_ZERO_GECKO == efm32_info->part_family || - EFM_FAMILY_ID_HAPPY_GECKO == efm32_info->part_family || - EZR_FAMILY_ID_HAPPY_GECKO == efm32_info->part_family) - efm32_info->page_size = 1024; - else if (EFM_FAMILY_ID_GIANT_GECKO == efm32_info->part_family || - EFM_FAMILY_ID_LEOPARD_GECKO == efm32_info->part_family) { - if (efm32_info->prod_rev >= 18) { - 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)); - } else { - /* EFM32 GG/LG errata: MEM_INFO_PAGE_SIZE is invalid - for MCUs with PROD_REV < 18 */ - if (efm32_info->flash_sz_kib < 512) - efm32_info->page_size = 2048; - else - efm32_info->page_size = 4096; - } + if (efm32_info->family_data == NULL) { + LOG_ERROR("Unknown MCU family %d", efm32_info->part_family); + return ERROR_FAIL; + } - if ((2048 != efm32_info->page_size) && - (4096 != efm32_info->page_size)) { - LOG_ERROR("Invalid page size %u", efm32_info->page_size); - return ERROR_FAIL; - } - } else if (EFM_FAMILY_ID_WONDER_GECKO == efm32_info->part_family || - EZR_FAMILY_ID_WONDER_GECKO == efm32_info->part_family || - EZR_FAMILY_ID_LEOPARD_GECKO == efm32_info->part_family || - EFR_FAMILY_ID_BLUE_GECKO == efm32_info->part_family || - EFR_FAMILY_ID_MIGHTY_GECKO == efm32_info->part_family) { + switch (efm32_info->family_data->series) { + case 0: + efm32x_info->reg_base = EFM32_MSC_REGBASE; + efm32x_info->reg_lock = EFM32_MSC_REG_LOCK; + break; + case 1: + efm32x_info->reg_base = EFM32_MSC_REGBASE_SERIES1; + efm32x_info->reg_lock = EFM32_MSC_REG_LOCK_SERIES1; + break; + } + + if (efm32_info->family_data->msc_regbase != 0) + efm32x_info->reg_base = efm32_info->family_data->msc_regbase; + + if (efm32_info->family_data->page_size != 0) { + efm32_info->page_size = efm32_info->family_data->page_size; + } else { uint8_t pg_size = 0; ret = target_read_u8(bank->target, EFM32_MSC_DI_PAGE_SIZE, &pg_size); @@ -252,13 +297,25 @@ static int efm32x_read_info(struct flash_bank *bank, return ret; efm32_info->page_size = (1 << ((pg_size+10) & 0xff)); - if (2048 != efm32_info->page_size) { + + if (efm32_info->part_family == EFM_FAMILY_ID_GIANT_GECKO || + efm32_info->part_family == EFM_FAMILY_ID_LEOPARD_GECKO) { + /* Giant or Leopard Gecko */ + if (efm32_info->prod_rev < 18) { + /* EFM32 GG/LG errata: MEM_INFO_PAGE_SIZE is invalid + for MCUs with PROD_REV < 18 */ + if (efm32_info->flash_sz_kib < 512) + efm32_info->page_size = 2048; + else + efm32_info->page_size = 4096; + } + } + + if ((efm32_info->page_size != 2048) && + (efm32_info->page_size != 4096)) { LOG_ERROR("Invalid page size %u", efm32_info->page_size); return ERROR_FAIL; } - } else { - LOG_ERROR("Unknown MCU family %d", efm32_info->part_family); - return ERROR_FAIL; } return ERROR_OK; @@ -270,71 +327,10 @@ static int efm32x_read_info(struct flash_bank *bank, static int efm32x_decode_info(struct efm32_info *info, char *buf, int buf_size) { int printed = 0; + printed = snprintf(buf, buf_size, "%s Gecko, rev %d", + info->family_data->name, info->prod_rev); - switch (info->part_family) { - case EZR_FAMILY_ID_WONDER_GECKO: - case EZR_FAMILY_ID_LEOPARD_GECKO: - case EZR_FAMILY_ID_HAPPY_GECKO: - printed = snprintf(buf, buf_size, "EZR32 "); - break; - case EFR_FAMILY_ID_MIGHTY_GECKO: - case EFR_FAMILY_ID_BLUE_GECKO: - printed = snprintf(buf, buf_size, "EFR32 "); - 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: - case EZR_FAMILY_ID_HAPPY_GECKO: - printed = snprintf(buf, buf_size, "Happy Gecko"); - break; - case EFR_FAMILY_ID_BLUE_GECKO: - printed = snprintf(buf, buf_size, "Blue Gecko"); - break; - case EFR_FAMILY_ID_MIGHTY_GECKO: - printed = snprintf(buf, buf_size, "Mighty 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) + if (printed >= buf_size) return ERROR_BUF_TOO_SMALL; return ERROR_OK; @@ -522,7 +518,7 @@ static int efm32x_read_lock_data(struct flash_bank *bank) } } - /* also, read ULW, DLW and MLW */ + /* also, read ULW, DLW, MLW, ALW and CLW words */ /* ULW, word 126 */ ptr = efm32x_info->lb_page + 126; @@ -540,7 +536,7 @@ static int efm32x_read_lock_data(struct flash_bank *bank) return ret; } - /* MLW, word 125, present in GG and LG */ + /* MLW, word 125, present in GG, LG, PG, JG, EFR32 */ ptr = efm32x_info->lb_page + 125; ret = target_read_u32(target, EFM32_MSC_LOCK_BITS+125*4, ptr); if (ERROR_OK != ret) { @@ -548,6 +544,30 @@ static int efm32x_read_lock_data(struct flash_bank *bank) return ret; } + /* ALW, word 124, present in GG, LG, PG, JG, EFR32 */ + ptr = efm32x_info->lb_page + 124; + ret = target_read_u32(target, EFM32_MSC_LOCK_BITS+124*4, ptr); + if (ERROR_OK != ret) { + LOG_ERROR("Failed to read ALW"); + return ret; + } + + /* CLW1, word 123, present in EFR32 */ + ptr = efm32x_info->lb_page + 123; + ret = target_read_u32(target, EFM32_MSC_LOCK_BITS+123*4, ptr); + if (ERROR_OK != ret) { + LOG_ERROR("Failed to read CLW1"); + return ret; + } + + /* CLW0, word 122, present in GG, LG, PG, JG, EFR32 */ + ptr = efm32x_info->lb_page + 122; + ret = target_read_u32(target, EFM32_MSC_LOCK_BITS+122*4, ptr); + if (ERROR_OK != ret) { + LOG_ERROR("Failed to read CLW0"); + return ret; + } + return ERROR_OK; } |