diff options
| author | Michael Walle <michael@walle.cc> | 2022-04-18 14:26:50 +0300 |
|---|---|---|
| committer | Pratyush Yadav <p.yadav@ti.com> | 2022-06-27 13:12:10 +0300 |
| commit | 77d4ac6d38487c2ab2688335b2a904469f5b16a4 (patch) | |
| tree | 9f4357f5aad40df17a37ace7c2cdb92a82e76c35 /drivers/mtd | |
| parent | 03c765b0e3b4cb5063276b086c76f7a612856a9a (diff) | |
| download | linux-77d4ac6d38487c2ab2688335b2a904469f5b16a4.tar.xz | |
mtd: spi-nor: move SECT_4K_PMC special handling
The SECT_4K_PMC flag will set a device specific opcode for the 4k sector
erase. Instead of handling it in the core, we can move it to a
late_init(). In that late init, loop over all erase types, look for the
4k size and replace the opcode.
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
Link: https://lore.kernel.org/r/20220418112650.2791459-1-michael@walle.cc
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/spi-nor/core.c | 7 | ||||
| -rw-r--r-- | drivers/mtd/spi-nor/core.h | 2 | ||||
| -rw-r--r-- | drivers/mtd/spi-nor/issi.c | 23 |
3 files changed, 22 insertions, 10 deletions
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 502967c76c5f..ce5d69317d46 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -2382,12 +2382,7 @@ static void spi_nor_no_sfdp_init_params(struct spi_nor *nor) */ erase_mask = 0; i = 0; - if (no_sfdp_flags & SECT_4K_PMC) { - erase_mask |= BIT(i); - spi_nor_set_erase_type(&map->erase_type[i], 4096u, - SPINOR_OP_BE_4K_PMC); - i++; - } else if (no_sfdp_flags & SECT_4K) { + if (no_sfdp_flags & SECT_4K) { erase_mask |= BIT(i); spi_nor_set_erase_type(&map->erase_type[i], 4096u, SPINOR_OP_BE_4K); diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h index 3f841ec36e56..61886868cd02 100644 --- a/drivers/mtd/spi-nor/core.h +++ b/drivers/mtd/spi-nor/core.h @@ -457,7 +457,6 @@ struct spi_nor_fixups { * flags are used together with the SPI_NOR_SKIP_SFDP flag. * SPI_NOR_SKIP_SFDP: skip parsing of SFDP tables. * SECT_4K: SPINOR_OP_BE_4K works uniformly. - * SECT_4K_PMC: SPINOR_OP_BE_4K_PMC works uniformly. * SPI_NOR_DUAL_READ: flash supports Dual Read. * SPI_NOR_QUAD_READ: flash supports Quad Read. * SPI_NOR_OCTAL_READ: flash supports Octal Read. @@ -505,7 +504,6 @@ struct flash_info { u8 no_sfdp_flags; #define SPI_NOR_SKIP_SFDP BIT(0) #define SECT_4K BIT(1) -#define SECT_4K_PMC BIT(2) #define SPI_NOR_DUAL_READ BIT(3) #define SPI_NOR_QUAD_READ BIT(4) #define SPI_NOR_OCTAL_READ BIT(5) diff --git a/drivers/mtd/spi-nor/issi.c b/drivers/mtd/spi-nor/issi.c index c012bc2486e1..3c7d51d2b050 100644 --- a/drivers/mtd/spi-nor/issi.c +++ b/drivers/mtd/spi-nor/issi.c @@ -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) }, }; |