diff options
Diffstat (limited to 'drivers/mtd/spi-nor/atmel.c')
| -rw-r--r-- | drivers/mtd/spi-nor/atmel.c | 190 |
1 files changed, 117 insertions, 73 deletions
diff --git a/drivers/mtd/spi-nor/atmel.c b/drivers/mtd/spi-nor/atmel.c index d6d889ce8876..82c592f0a1e1 100644 --- a/drivers/mtd/spi-nor/atmel.c +++ b/drivers/mtd/spi-nor/atmel.c @@ -16,12 +16,12 @@ * is to unlock the whole flash array on startup. Therefore, we have to support * exactly this operation. */ -static int atmel_at25fs_lock(struct spi_nor *nor, loff_t ofs, uint64_t len) +static int at25fs_nor_lock(struct spi_nor *nor, loff_t ofs, u64 len) { return -EOPNOTSUPP; } -static int atmel_at25fs_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len) +static int at25fs_nor_unlock(struct spi_nor *nor, loff_t ofs, u64 len) { int ret; @@ -37,28 +37,30 @@ static int atmel_at25fs_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len) return ret; } -static int atmel_at25fs_is_locked(struct spi_nor *nor, loff_t ofs, uint64_t len) +static int at25fs_nor_is_locked(struct spi_nor *nor, loff_t ofs, u64 len) { return -EOPNOTSUPP; } -static const struct spi_nor_locking_ops atmel_at25fs_locking_ops = { - .lock = atmel_at25fs_lock, - .unlock = atmel_at25fs_unlock, - .is_locked = atmel_at25fs_is_locked, +static const struct spi_nor_locking_ops at25fs_nor_locking_ops = { + .lock = at25fs_nor_lock, + .unlock = at25fs_nor_unlock, + .is_locked = at25fs_nor_is_locked, }; -static void atmel_at25fs_late_init(struct spi_nor *nor) +static int at25fs_nor_late_init(struct spi_nor *nor) { - nor->params->locking_ops = &atmel_at25fs_locking_ops; + nor->params->locking_ops = &at25fs_nor_locking_ops; + + return 0; } -static const struct spi_nor_fixups atmel_at25fs_fixups = { - .late_init = atmel_at25fs_late_init, +static const struct spi_nor_fixups at25fs_nor_fixups = { + .late_init = at25fs_nor_late_init, }; /** - * atmel_set_global_protection - Do a Global Protect or Unprotect command + * atmel_nor_set_global_protection - Do a Global Protect or Unprotect command * @nor: pointer to 'struct spi_nor' * @ofs: offset in bytes * @len: len in bytes @@ -66,8 +68,8 @@ static const struct spi_nor_fixups atmel_at25fs_fixups = { * * Return: 0 on success, -error otherwise. */ -static int atmel_set_global_protection(struct spi_nor *nor, loff_t ofs, - uint64_t len, bool is_protect) +static int atmel_nor_set_global_protection(struct spi_nor *nor, loff_t ofs, + u64 len, bool is_protect) { int ret; u8 sr; @@ -116,17 +118,18 @@ static int atmel_set_global_protection(struct spi_nor *nor, loff_t ofs, return spi_nor_write_sr(nor, nor->bouncebuf, 1); } -static int atmel_global_protect(struct spi_nor *nor, loff_t ofs, uint64_t len) +static int atmel_nor_global_protect(struct spi_nor *nor, loff_t ofs, u64 len) { - return atmel_set_global_protection(nor, ofs, len, true); + return atmel_nor_set_global_protection(nor, ofs, len, true); } -static int atmel_global_unprotect(struct spi_nor *nor, loff_t ofs, uint64_t len) +static int atmel_nor_global_unprotect(struct spi_nor *nor, loff_t ofs, u64 len) { - return atmel_set_global_protection(nor, ofs, len, false); + return atmel_nor_set_global_protection(nor, ofs, len, false); } -static int atmel_is_global_protected(struct spi_nor *nor, loff_t ofs, uint64_t len) +static int atmel_nor_is_global_protected(struct spi_nor *nor, loff_t ofs, + u64 len) { int ret; @@ -140,69 +143,110 @@ static int atmel_is_global_protected(struct spi_nor *nor, loff_t ofs, uint64_t l return ((nor->bouncebuf[0] & ATMEL_SR_GLOBAL_PROTECT_MASK) == ATMEL_SR_GLOBAL_PROTECT_MASK); } -static const struct spi_nor_locking_ops atmel_global_protection_ops = { - .lock = atmel_global_protect, - .unlock = atmel_global_unprotect, - .is_locked = atmel_is_global_protected, +static const struct spi_nor_locking_ops atmel_nor_global_protection_ops = { + .lock = atmel_nor_global_protect, + .unlock = atmel_nor_global_unprotect, + .is_locked = atmel_nor_is_global_protected, }; -static void atmel_global_protection_late_init(struct spi_nor *nor) +static int atmel_nor_global_protection_late_init(struct spi_nor *nor) { - nor->params->locking_ops = &atmel_global_protection_ops; + nor->params->locking_ops = &atmel_nor_global_protection_ops; + + return 0; } -static const struct spi_nor_fixups atmel_global_protection_fixups = { - .late_init = atmel_global_protection_late_init, +static const struct spi_nor_fixups atmel_nor_global_protection_fixups = { + .late_init = atmel_nor_global_protection_late_init, }; -static const struct flash_info atmel_parts[] = { - /* Atmel -- some are (confusingly) marketed as "DataFlash" */ - { "at25fs010", INFO(0x1f6601, 0, 32 * 1024, 4) - FLAGS(SPI_NOR_HAS_LOCK) - NO_SFDP_FLAGS(SECT_4K) - .fixups = &atmel_at25fs_fixups }, - { "at25fs040", INFO(0x1f6604, 0, 64 * 1024, 8) - FLAGS(SPI_NOR_HAS_LOCK) - NO_SFDP_FLAGS(SECT_4K) - .fixups = &atmel_at25fs_fixups }, - { "at25df041a", INFO(0x1f4401, 0, 64 * 1024, 8) - FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE) - NO_SFDP_FLAGS(SECT_4K) - .fixups = &atmel_global_protection_fixups }, - { "at25df321", INFO(0x1f4700, 0, 64 * 1024, 64) - FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE) - NO_SFDP_FLAGS(SECT_4K) - .fixups = &atmel_global_protection_fixups }, - { "at25df321a", INFO(0x1f4701, 0, 64 * 1024, 64) - FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE) - NO_SFDP_FLAGS(SECT_4K) - .fixups = &atmel_global_protection_fixups }, - { "at25df641", INFO(0x1f4800, 0, 64 * 1024, 128) - FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE) - NO_SFDP_FLAGS(SECT_4K) - .fixups = &atmel_global_protection_fixups }, - { "at25sl321", INFO(0x1f4216, 0, 64 * 1024, 64) - NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, - { "at26f004", INFO(0x1f0400, 0, 64 * 1024, 8) - NO_SFDP_FLAGS(SECT_4K) }, - { "at26df081a", INFO(0x1f4501, 0, 64 * 1024, 16) - FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE) - NO_SFDP_FLAGS(SECT_4K) - .fixups = &atmel_global_protection_fixups }, - { "at26df161a", INFO(0x1f4601, 0, 64 * 1024, 32) - FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE) - NO_SFDP_FLAGS(SECT_4K) - .fixups = &atmel_global_protection_fixups }, - { "at26df321", INFO(0x1f4700, 0, 64 * 1024, 64) - FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE) - NO_SFDP_FLAGS(SECT_4K) - .fixups = &atmel_global_protection_fixups }, - { "at45db081d", INFO(0x1f2500, 0, 64 * 1024, 16) - NO_SFDP_FLAGS(SECT_4K) }, +static const struct flash_info atmel_nor_parts[] = { + { + .id = SNOR_ID(0x1f, 0x04, 0x00), + .name = "at26f004", + .size = SZ_512K, + .no_sfdp_flags = SECT_4K, + }, { + .id = SNOR_ID(0x1f, 0x25, 0x00), + .name = "at45db081d", + .size = SZ_1M, + .no_sfdp_flags = SECT_4K, + }, { + .id = SNOR_ID(0x1f, 0x42, 0x16), + .name = "at25sl321", + .size = SZ_4M, + .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ, + }, { + .id = SNOR_ID(0x1f, 0x44, 0x01), + .name = "at25df041a", + .size = SZ_512K, + .flags = SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE, + .no_sfdp_flags = SECT_4K, + .fixups = &atmel_nor_global_protection_fixups, + }, { + .id = SNOR_ID(0x1f, 0x45, 0x01), + .name = "at26df081a", + .size = SZ_1M, + .flags = SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE, + .no_sfdp_flags = SECT_4K, + .fixups = &atmel_nor_global_protection_fixups + }, { + .id = SNOR_ID(0x1f, 0x46, 0x01), + .name = "at26df161a", + .size = SZ_2M, + .flags = SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE, + .no_sfdp_flags = SECT_4K, + .fixups = &atmel_nor_global_protection_fixups + }, { + .id = SNOR_ID(0x1f, 0x47, 0x00), + .name = "at25df321", + .size = SZ_4M, + .flags = SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE, + .no_sfdp_flags = SECT_4K, + .fixups = &atmel_nor_global_protection_fixups + }, { + .id = SNOR_ID(0x1f, 0x47, 0x01), + .name = "at25df321a", + .size = SZ_4M, + .flags = SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE, + .no_sfdp_flags = SECT_4K, + .fixups = &atmel_nor_global_protection_fixups + }, { + .id = SNOR_ID(0x1f, 0x47, 0x08), + .name = "at25ff321a", + .flags = SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE, + .fixups = &atmel_nor_global_protection_fixups + }, { + .id = SNOR_ID(0x1f, 0x48, 0x00), + .name = "at25df641", + .size = SZ_8M, + .flags = SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE, + .no_sfdp_flags = SECT_4K, + .fixups = &atmel_nor_global_protection_fixups + }, { + .id = SNOR_ID(0x1f, 0x66, 0x01), + .name = "at25fs010", + .sector_size = SZ_32K, + .size = SZ_128K, + .flags = SPI_NOR_HAS_LOCK, + .no_sfdp_flags = SECT_4K, + .fixups = &at25fs_nor_fixups + }, { + .id = SNOR_ID(0x1f, 0x66, 0x04), + .name = "at25fs040", + .size = SZ_512K, + .flags = SPI_NOR_HAS_LOCK, + .no_sfdp_flags = SECT_4K, + .fixups = &at25fs_nor_fixups + }, { + .id = SNOR_ID(0x1f, 0x87, 0x01), + .size = SZ_4M, + .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ, + }, }; const struct spi_nor_manufacturer spi_nor_atmel = { .name = "atmel", - .parts = atmel_parts, - .nparts = ARRAY_SIZE(atmel_parts), + .parts = atmel_nor_parts, + .nparts = ARRAY_SIZE(atmel_nor_parts), }; |