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 54 struct bcma_drv_cc; 55 56 enum bcm47xxsflash_type { 57 BCM47XXSFLASH_TYPE_ATMEL, 58 BCM47XXSFLASH_TYPE_ST, 59 }; 60 61 struct 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 u32 window; 69 u32 blocksize; 70 u16 numblocks; 71 u32 size; 72 73 struct mtd_info mtd; 74 }; 75 76 #endif /* BCM47XXSFLASH */ 77