bcm47xxsflash.h
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#ifndef __BCM47XXSFLASH_H
#define __BCM47XXSFLASH_H
#include <linux/mtd/mtd.h>
/* Used for ST flashes only. */
#define OPCODE_ST_WREN 0x0006 /* Write Enable */
#define OPCODE_ST_WRDIS 0x0004 /* Write Disable */
#define OPCODE_ST_RDSR 0x0105 /* Read Status Register */
#define OPCODE_ST_WRSR 0x0101 /* Write Status Register */
#define OPCODE_ST_READ 0x0303 /* Read Data Bytes */
#define OPCODE_ST_PP 0x0302 /* Page Program */
#define OPCODE_ST_SE 0x02d8 /* Sector Erase */
#define OPCODE_ST_BE 0x00c7 /* Bulk Erase */
#define OPCODE_ST_DP 0x00b9 /* Deep Power-down */
#define OPCODE_ST_RES 0x03ab /* Read Electronic Signature */
#define OPCODE_ST_CSA 0x1000 /* Keep chip select asserted */
#define OPCODE_ST_SSE 0x0220 /* Sub-sector Erase */
/* Used for Atmel flashes only. */
#define OPCODE_AT_READ 0x07e8
#define OPCODE_AT_PAGE_READ 0x07d2
#define OPCODE_AT_STATUS 0x01d7
#define OPCODE_AT_BUF1_WRITE 0x0384
#define OPCODE_AT_BUF2_WRITE 0x0387
#define OPCODE_AT_BUF1_ERASE_PROGRAM 0x0283
#define OPCODE_AT_BUF2_ERASE_PROGRAM 0x0286
#define OPCODE_AT_BUF1_PROGRAM 0x0288
#define OPCODE_AT_BUF2_PROGRAM 0x0289
#define OPCODE_AT_PAGE_ERASE 0x0281
#define OPCODE_AT_BLOCK_ERASE 0x0250
#define OPCODE_AT_BUF1_WRITE_ERASE_PROGRAM 0x0382
#define OPCODE_AT_BUF2_WRITE_ERASE_PROGRAM 0x0385
#define OPCODE_AT_BUF1_LOAD 0x0253
#define OPCODE_AT_BUF2_LOAD 0x0255
#define OPCODE_AT_BUF1_COMPARE 0x0260
#define OPCODE_AT_BUF2_COMPARE 0x0261
#define OPCODE_AT_BUF1_REPROGRAM 0x0258
#define OPCODE_AT_BUF2_REPROGRAM 0x0259
/* Status register bits for ST flashes */
#define SR_ST_WIP 0x01 /* Write In Progress */
#define SR_ST_WEL 0x02 /* Write Enable Latch */
#define SR_ST_BP_MASK 0x1c /* Block Protect */
#define SR_ST_BP_SHIFT 2
#define SR_ST_SRWD 0x80 /* Status Register Write Disable */
/* Status register bits for Atmel flashes */
#define SR_AT_READY 0x80
#define SR_AT_MISMATCH 0x40
#define SR_AT_ID_MASK 0x38
#define SR_AT_ID_SHIFT 3
struct bcma_drv_cc;
enum bcm47xxsflash_type {
BCM47XXSFLASH_TYPE_ATMEL,
BCM47XXSFLASH_TYPE_ST,
};
struct bcm47xxsflash {
struct bcma_drv_cc *bcma_cc;
int (*cc_read)(struct bcm47xxsflash *b47s, u16 offset);
void (*cc_write)(struct bcm47xxsflash *b47s, u16 offset, u32 value);
enum bcm47xxsflash_type type;
u32 window;
u32 blocksize;
u16 numblocks;
u32 size;
struct mtd_info mtd;
};
#endif /* BCM47XXSFLASH */