diff options
Diffstat (limited to 'drivers/mtd/spi/spi_flash_internal.h')
| -rw-r--r-- | drivers/mtd/spi/spi_flash_internal.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/mtd/spi/spi_flash_internal.h b/drivers/mtd/spi/spi_flash_internal.h index 0c78249..141cfa8 100644 --- a/drivers/mtd/spi/spi_flash_internal.h +++ b/drivers/mtd/spi/spi_flash_internal.h @@ -23,6 +23,10 @@ #define CMD_WRITE_DISABLE 0x04 #define CMD_READ_STATUS 0x05 #define CMD_WRITE_ENABLE 0x06 +#define CMD_ERASE_4K 0x20 +#define CMD_ERASE_32K 0x52 +#define CMD_ERASE_64K 0xd8 +#define CMD_ERASE_CHIP 0xc7 /* Common status */ #define STATUS_WIP 0x01 @@ -70,6 +74,9 @@ static inline int spi_flash_cmd_write_disable(struct spi_flash *flash) return spi_flash_cmd(flash->spi, CMD_WRITE_DISABLE, NULL, 0); } +/* Program the status register. */ +int spi_flash_cmd_write_status(struct spi_flash *flash, u8 sr); + /* * Same as spi_flash_cmd_read() except it also claims/releases the SPI * bus. Used as common part of the ->read() operation. @@ -88,8 +95,7 @@ int spi_flash_cmd_poll_bit(struct spi_flash *flash, unsigned long timeout, int spi_flash_cmd_wait_ready(struct spi_flash *flash, unsigned long timeout); /* Erase sectors. */ -int spi_flash_cmd_erase(struct spi_flash *flash, u8 erase_cmd, - u32 offset, size_t len); +int spi_flash_cmd_erase(struct spi_flash *flash, u32 offset, size_t len); /* Manufacturer-specific probe functions */ struct spi_flash *spi_flash_probe_spansion(struct spi_slave *spi, u8 *idcode); |