diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/spi-nor/spi-nor.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 5d435604bc25..d78831b4422b 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -513,6 +513,13 @@ static int spi_nor_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) /* NOTE: double check command sets and memory organization when you add * more nor chips. This current list focusses on newer chips, which * have been converging on command sets which including JEDEC ID. + * + * All newly added entries should describe *hardware* and should use SECT_4K + * (or SECT_4K_PMC) if hardware supports erasing 4 KiB sectors. For usage + * scenarios excluding small sectors there is config option that can be + * disabled: CONFIG_MTD_SPI_NOR_USE_4K_SECTORS. + * For historical (and compatibility) reasons (before we got above config) some + * old entries may be missing 4K flag. */ static const struct spi_device_id spi_nor_ids[] = { /* Atmel -- some are (confusingly) marketed as "DataFlash" */ @@ -538,7 +545,7 @@ static const struct spi_device_id spi_nor_ids[] = { { "en25q64", INFO(0x1c3017, 0, 64 * 1024, 128, SECT_4K) }, { "en25qh128", INFO(0x1c7018, 0, 64 * 1024, 256, 0) }, { "en25qh256", INFO(0x1c7019, 0, 64 * 1024, 512, 0) }, - { "en25s64", INFO(0x1c3817, 0, 64 * 1024, 128, 0) }, + { "en25s64", INFO(0x1c3817, 0, 64 * 1024, 128, SECT_4K) }, /* ESMT */ { "f25l32pa", INFO(0x8c2016, 0, 64 * 1024, 64, SECT_4K) }, @@ -606,7 +613,7 @@ static const struct spi_device_id spi_nor_ids[] = { { "s70fl01gs", INFO(0x010221, 0x4d00, 256 * 1024, 256, 0) }, { "s25sl12800", INFO(0x012018, 0x0300, 256 * 1024, 64, 0) }, { "s25sl12801", INFO(0x012018, 0x0301, 64 * 1024, 256, 0) }, - { "s25fl128s", INFO6(0x012018, 0x4d0180, 64 * 1024, 256, SPI_NOR_QUAD_READ) }, + { "s25fl128s", INFO6(0x012018, 0x4d0180, 64 * 1024, 256, SECT_4K | SPI_NOR_QUAD_READ) }, { "s25fl129p0", INFO(0x012018, 0x4d00, 256 * 1024, 64, 0) }, { "s25fl129p1", INFO(0x012018, 0x4d01, 64 * 1024, 256, 0) }, { "s25sl004a", INFO(0x010212, 0, 64 * 1024, 8, 0) }, @@ -617,7 +624,7 @@ static const struct spi_device_id spi_nor_ids[] = { { "s25fl008k", INFO(0xef4014, 0, 64 * 1024, 16, SECT_4K) }, { "s25fl016k", INFO(0xef4015, 0, 64 * 1024, 32, SECT_4K) }, { "s25fl064k", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) }, - { "s25fl132k", INFO(0x014016, 0, 64 * 1024, 64, 0) }, + { "s25fl132k", INFO(0x014016, 0, 64 * 1024, 64, SECT_4K) }, { "s25fl164k", INFO(0x014017, 0, 64 * 1024, 128, SECT_4K) }, /* SST -- large erase sizes are "overlays", "sectors" are 4K */ |