1#ifndef __BCM47XXSFLASH_H 2#define __BCM47XXSFLASH_H 3 4#include <linux/mtd/mtd.h> 5 6/* Used for ST flashes only. */ 7#define OPCODE_ST_WREN 0x0006 /* Write Enable */ 8#define OPCODE_ST_WRDIS 0x0004 /* Write Disable */ 9#define OPCODE_ST_RDSR 0x0105 /* Read Status Register */ 10#define OPCODE_ST_WRSR 0x0101 /* Write Status Register */ 11#define OPCODE_ST_READ 0x0303 /* Read Data Bytes */ 12#define OPCODE_ST_PP 0x0302 /* Page Program */ 13#define OPCODE_ST_SE 0x02d8 /* Sector Erase */ 14#define OPCODE_ST_BE 0x00c7 /* Bulk Erase */ 15#define OPCODE_ST_DP 0x00b9 /* Deep Power-down */ 16#define OPCODE_ST_RES 0x03ab /* Read Electronic Signature */ 17#define OPCODE_ST_CSA 0x1000 /* Keep chip select asserted */ 18#define OPCODE_ST_SSE 0x0220 /* Sub-sector Erase */ 19 20/* Used for Atmel flashes only. */ 21#define OPCODE_AT_READ 0x07e8 22#define OPCODE_AT_PAGE_READ 0x07d2 23#define OPCODE_AT_STATUS 0x01d7 24#define OPCODE_AT_BUF1_WRITE 0x0384 25#define OPCODE_AT_BUF2_WRITE 0x0387 26#define OPCODE_AT_BUF1_ERASE_PROGRAM 0x0283 27#define OPCODE_AT_BUF2_ERASE_PROGRAM 0x0286 28#define OPCODE_AT_BUF1_PROGRAM 0x0288 29#define OPCODE_AT_BUF2_PROGRAM 0x0289 30#define OPCODE_AT_PAGE_ERASE 0x0281 31#define OPCODE_AT_BLOCK_ERASE 0x0250 32#define OPCODE_AT_BUF1_WRITE_ERASE_PROGRAM 0x0382 33#define OPCODE_AT_BUF2_WRITE_ERASE_PROGRAM 0x0385 34#define OPCODE_AT_BUF1_LOAD 0x0253 35#define OPCODE_AT_BUF2_LOAD 0x0255 36#define OPCODE_AT_BUF1_COMPARE 0x0260 37#define OPCODE_AT_BUF2_COMPARE 0x0261 38#define OPCODE_AT_BUF1_REPROGRAM 0x0258 39#define OPCODE_AT_BUF2_REPROGRAM 0x0259 40 41/* Status register bits for ST flashes */ 42#define SR_ST_WIP 0x01 /* Write In Progress */ 43#define SR_ST_WEL 0x02 /* Write Enable Latch */ 44#define SR_ST_BP_MASK 0x1c /* Block Protect */ 45#define SR_ST_BP_SHIFT 2 46#define SR_ST_SRWD 0x80 /* Status Register Write Disable */ 47 48/* Status register bits for Atmel flashes */ 49#define SR_AT_READY 0x80 50#define SR_AT_MISMATCH 0x40 51#define SR_AT_ID_MASK 0x38 52#define SR_AT_ID_SHIFT 3 53 54struct bcma_drv_cc; 55 56enum bcm47xxsflash_type { 57 BCM47XXSFLASH_TYPE_ATMEL, 58 BCM47XXSFLASH_TYPE_ST, 59}; 60 61struct bcm47xxsflash { 62 struct bcma_drv_cc *bcma_cc; 63 int (*cc_read)(struct bcm47xxsflash *b47s, u16 offset); 64 void (*cc_write)(struct bcm47xxsflash *b47s, u16 offset, u32 value); 65 66 enum bcm47xxsflash_type type; 67 68 void __iomem *window; 69 70 u32 blocksize; 71 u16 numblocks; 72 u32 size; 73 74 struct mtd_info mtd; 75}; 76 77#endif /* BCM47XXSFLASH */ 78