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sf: Add proper comment style on spi_flash structure

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Added proper comment style on spi_flash structure to make
more readable.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
This commit is contained in:
Jagannadha Sutradharudu Teki 2013-09-28 18:10:43 +05:30
parent 32ebd1a7d5
commit 7ab35d922d
1 changed files with 38 additions and 27 deletions
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65
include/spi_flash.h
View file

@ -29,39 +29,50 @@
# define CMD_SST_AAI_WP 0xAD /* Auto Address Incr Word Program */ # define CMD_SST_AAI_WP 0xAD /* Auto Address Incr Word Program */
#endif #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_flash {
struct spi_slave *spi; struct spi_slave *spi;
const char *name;
const char *name; u32 size;
u32 page_size;
/* Total flash size */ u32 sector_size;
u32 size; u32 erase_size;
/* Write (page) size */
u32 page_size;
/* Sector size */
u32 sector_size;
/* Erase size */
u32 erase_size;
#ifdef CONFIG_SPI_FLASH_BAR #ifdef CONFIG_SPI_FLASH_BAR
/* Bank read cmd */ u8 bank_read_cmd;
u8 bank_read_cmd; u8 bank_write_cmd;
/* Bank write cmd */ u8 bank_curr;
u8 bank_write_cmd;
/* Current flash bank */
u8 bank_curr;
#endif #endif
/* Poll cmd - for flash erase/program */ u8 poll_cmd;
u8 poll_cmd; u8 erase_cmd;
/* Erase cmd 4K, 32K, 64K */
u8 erase_cmd;
void *memory_map; /* Address of read-only SPI flash access */ void *memory_map;
int (*read)(struct spi_flash *flash, u32 offset, int (*read)(struct spi_flash *flash, u32 offset, size_t len, void *buf);
size_t len, void *buf); int (*write)(struct spi_flash *flash, u32 offset, size_t len,
int (*write)(struct spi_flash *flash, u32 offset, const void *buf);
size_t len, const void *buf); int (*erase)(struct spi_flash *flash, u32 offset, size_t len);
int (*erase)(struct spi_flash *flash, u32 offset,
size_t len);
}; };
/** /**