diff options
| author | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2014-01-11 15:13:11 +0530 |
|---|---|---|
| committer | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2014-01-11 15:13:11 +0530 |
| commit | 3163aaa63fced54bbd6fd190ece0f89b473076ab (patch) | |
| tree | 8fe620871faabe5bd9ffb3c2d8a262e2f86ccf4b /include/spi_flash.h | |
| parent | 4e09cc1e2c5d22735d0fa3d2d1eaecd27e19948e (diff) | |
sf: Add quad read/write commands support
This patch add quad commands support like
- QUAD_PAGE_PROGRAM => for write program
- QUAD_OUTPUT_FAST ->> for read program
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Diffstat (limited to 'include/spi_flash.h')
| -rw-r--r-- | include/spi_flash.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/spi_flash.h b/include/spi_flash.h index 692e143b602..9fd9d3bd541 100644 --- a/include/spi_flash.h +++ b/include/spi_flash.h @@ -19,13 +19,18 @@ #include <linux/types.h> #include <linux/compiler.h> -/* Enum list - Extended read commands */ +/* No enum list for write commands only QPP */ +#define WR_QPP 1 << 4 + +/* Enum list - Full read commands */ enum spi_read_cmds { ARRAY_SLOW = 1 << 0, DUAL_OUTPUT_FAST = 1 << 1, DUAL_IO_FAST = 1 << 2, + QUAD_OUTPUT_FAST = 1 << 3, }; #define RD_EXTN ARRAY_SLOW | DUAL_OUTPUT_FAST | DUAL_IO_FAST +#define RD_FULL RD_EXTN | QUAD_OUTPUT_FAST /** * struct spi_flash - SPI flash structure @@ -41,7 +46,8 @@ enum spi_read_cmds { * @bank_curr: Current flash bank * @poll_cmd: Poll cmd - for flash erase/program * @erase_cmd: Erase cmd 4K, 32K, 64K - * @read_cmd: Read cmd - Array Fast and Extn read + * @read_cmd: Read cmd - Array Fast, Extn read and quad read. + * @write_cmd: Write cmd - page and quad program. * @memory_map: Address of read-only SPI flash access * @read: Flash read ops: Read len bytes at offset into buf * Supported cmds: Fast Array Read @@ -67,6 +73,7 @@ struct spi_flash { u8 poll_cmd; u8 erase_cmd; u8 read_cmd; + u8 write_cmd; void *memory_map; int (*read)(struct spi_flash *flash, u32 offset, size_t len, void *buf); |