diff options
Diffstat (limited to 'drivers/mtd/spi-nor/issi.c')
| -rw-r--r-- | drivers/mtd/spi-nor/issi.c | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/drivers/mtd/spi-nor/issi.c b/drivers/mtd/spi-nor/issi.c index c012bc2486e1..89a66a19d754 100644 --- a/drivers/mtd/spi-nor/issi.c +++ b/drivers/mtd/spi-nor/issi.c @@ -14,13 +14,13 @@ is25lp256_post_bfpt_fixups(struct spi_nor *nor, const struct sfdp_bfpt *bfpt) { /* - * IS25LP256 supports 4B opcodes, but the BFPT advertises a - * BFPT_DWORD1_ADDRESS_BYTES_3_ONLY address width. - * Overwrite the address width advertised by the BFPT. + * IS25LP256 supports 4B opcodes, but the BFPT advertises + * BFPT_DWORD1_ADDRESS_BYTES_3_ONLY. + * Overwrite the number of address bytes advertised by the BFPT. */ if ((bfpt->dwords[BFPT_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) == BFPT_DWORD1_ADDRESS_BYTES_3_ONLY) - nor->addr_width = 4; + nor->params->addr_nbytes = 4; return 0; } @@ -29,6 +29,21 @@ static const struct spi_nor_fixups is25lp256_fixups = { .post_bfpt = is25lp256_post_bfpt_fixups, }; +static void pm25lv_nor_late_init(struct spi_nor *nor) +{ + struct spi_nor_erase_map *map = &nor->params->erase_map; + int i; + + /* The PM25LV series has a different 4k sector erase opcode */ + for (i = 0; i < SNOR_ERASE_TYPE_MAX; i++) + if (map->erase_type[i].size == 4096) + map->erase_type[i].opcode = SPINOR_OP_BE_4K_PMC; +} + +static const struct spi_nor_fixups pm25lv_nor_fixups = { + .late_init = pm25lv_nor_late_init, +}; + static const struct flash_info issi_nor_parts[] = { /* ISSI */ { "is25cd512", INFO(0x7f9d20, 0, 32 * 1024, 2) @@ -62,9 +77,13 @@ static const struct flash_info issi_nor_parts[] = { /* PMC */ { "pm25lv512", INFO(0, 0, 32 * 1024, 2) - NO_SFDP_FLAGS(SECT_4K_PMC) }, + NO_SFDP_FLAGS(SECT_4K) + .fixups = &pm25lv_nor_fixups + }, { "pm25lv010", INFO(0, 0, 32 * 1024, 4) - NO_SFDP_FLAGS(SECT_4K_PMC) }, + NO_SFDP_FLAGS(SECT_4K) + .fixups = &pm25lv_nor_fixups + }, { "pm25lq032", INFO(0x7f9d46, 0, 64 * 1024, 64) NO_SFDP_FLAGS(SECT_4K) }, }; |