X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fmtd%2Fspi%2Fspi_flash_internal.h;h=af1afa96c9dfe5d757650b84d605d4200da8a0fa;hb=fbbbc86e8ebac4f42f4ca39ceba80cea27c983bc;hp=e613ef3ab7d02d06b1fadbac7e25253092ada4c0;hpb=1dcd6d03811d4f30052a5e24377b378867211b05;p=platform%2Fkernel%2Fu-boot.git diff --git a/drivers/mtd/spi/spi_flash_internal.h b/drivers/mtd/spi/spi_flash_internal.h index e613ef3..af1afa9 100644 --- a/drivers/mtd/spi/spi_flash_internal.h +++ b/drivers/mtd/spi/spi_flash_internal.h @@ -22,6 +22,7 @@ #define CMD_PAGE_PROGRAM 0x02 #define CMD_WRITE_DISABLE 0x04 #define CMD_READ_STATUS 0x05 +#define CMD_FLAG_STATUS 0x70 #define CMD_WRITE_ENABLE 0x06 #define CMD_ERASE_4K 0x20 #define CMD_ERASE_32K 0x52 @@ -45,6 +46,7 @@ /* Common status */ #define STATUS_WIP 0x01 +#define STATUS_PEC 0x80 /* Send a single-byte command to the device and read the response */ int spi_flash_cmd(struct spi_slave *spi, u8 cmd, void *response, size_t len); @@ -106,10 +108,16 @@ int spi_flash_bank_config(struct spi_flash *flash, u8 idcode0); */ int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd, size_t cmd_len, void *data, size_t data_len); - -/* Send a command to the device and wait for some bit to clear itself. */ -int spi_flash_cmd_poll_bit(struct spi_flash *flash, unsigned long timeout, - u8 cmd, u8 poll_bit); +/* + * Used for spi_flash write operation + * - SPI claim + * - spi_flash_cmd_write_enable + * - spi_flash_cmd_write + * - spi_flash_cmd_wait_ready + * - SPI release + */ +int spi_flash_write_common(struct spi_flash *flash, const u8 *cmd, + size_t cmd_len, const void *buf, size_t buf_len); /* * Send the read status command to the device and wait for the wip @@ -129,3 +137,4 @@ struct spi_flash *spi_flash_probe_sst(struct spi_slave *spi, u8 *idcode); struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 *idcode); struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode); struct spi_flash *spi_fram_probe_ramtron(struct spi_slave *spi, u8 *idcode); +struct spi_flash *spi_flash_probe_gigadevice(struct spi_slave *spi, u8 *idcode);