diff options
| author | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2013-09-28 18:10:43 +0530 |
|---|---|---|
| committer | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2013-10-07 17:55:46 +0530 |
| commit | 7ab35d922d80e151f9fe6a785a736b0d8612c589 (patch) | |
| tree | cb7f4292d01cb78c04e02dfde9af14c418399665 /include/spi_flash.h | |
| parent | 32ebd1a7d51818a327f2e23570d6bfc542c68e12 (diff) | |
sf: Add proper comment style on spi_flash structure
Added proper comment style on spi_flash structure to make
more readable.
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Diffstat (limited to 'include/spi_flash.h')
| -rw-r--r-- | include/spi_flash.h | 67 |
1 files changed, 39 insertions, 28 deletions
diff --git a/include/spi_flash.h b/include/spi_flash.h index 09af55dee50..7ffc7b239e8 100644 --- a/include/spi_flash.h +++ b/include/spi_flash.h @@ -29,39 +29,50 @@ # define CMD_SST_AAI_WP 0xAD /* Auto Address Incr Word Program */ #endif +/** + * struct spi_flash - SPI flash structure + * + * @spi: SPI slave + * @name: Name of SPI flash + * @size: Total flash size + * @page_size: Write (page) size + * @sector_size: Sector size + * @erase_size: Erase size + * @bank_read_cmd: Bank read cmd + * @bank_write_cmd: Bank write cmd + * @bank_curr: Current flash bank + * @poll_cmd: Poll cmd - for flash erase/program + * @erase_cmd: Erase cmd 4K, 32K, 64K + * @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 + * @write: Flash write ops: Write len bytes from buf into offeset + * Supported cmds: Page Program + * @erase: Flash erase ops: Erase len bytes from offset + * Supported cmds: Sector erase 4K, 32K, 64K + * return 0 - Sucess, 1 - Failure + */ struct spi_flash { struct spi_slave *spi; + const char *name; - const char *name; - - /* Total flash size */ - u32 size; - /* Write (page) size */ - u32 page_size; - /* Sector size */ - u32 sector_size; - /* Erase size */ - u32 erase_size; + u32 size; + u32 page_size; + u32 sector_size; + u32 erase_size; #ifdef CONFIG_SPI_FLASH_BAR - /* Bank read cmd */ - u8 bank_read_cmd; - /* Bank write cmd */ - u8 bank_write_cmd; - /* Current flash bank */ - u8 bank_curr; + u8 bank_read_cmd; + u8 bank_write_cmd; + u8 bank_curr; #endif - /* Poll cmd - for flash erase/program */ - u8 poll_cmd; - /* Erase cmd 4K, 32K, 64K */ - u8 erase_cmd; - - void *memory_map; /* Address of read-only SPI flash access */ - int (*read)(struct spi_flash *flash, u32 offset, - size_t len, void *buf); - int (*write)(struct spi_flash *flash, u32 offset, - size_t len, const void *buf); - int (*erase)(struct spi_flash *flash, u32 offset, - size_t len); + u8 poll_cmd; + u8 erase_cmd; + + void *memory_map; + int (*read)(struct spi_flash *flash, u32 offset, size_t len, void *buf); + int (*write)(struct spi_flash *flash, u32 offset, size_t len, + const void *buf); + int (*erase)(struct spi_flash *flash, u32 offset, size_t len); }; /** |