1#ifndef __BCM47XXSFLASH_H 2#define __BCM47XXSFLASH_H 3 4#include <linux/mtd/mtd.h> 5 6#define BCM47XXSFLASH_WINDOW_SZ SZ_16M 7 8/* Used for ST flashes only. */ 9#define OPCODE_ST_WREN 0x0006 /* Write Enable */ 10#define OPCODE_ST_WRDIS 0x0004 /* Write Disable */ 11#define OPCODE_ST_RDSR 0x0105 /* Read Status Register */ 12#define OPCODE_ST_WRSR 0x0101 /* Write Status Register */ 13#define OPCODE_ST_READ 0x0303 /* Read Data Bytes */ 14#define OPCODE_ST_PP 0x0302 /* Page Program */ 15#define OPCODE_ST_SE 0x02d8 /* Sector Erase */ 16#define OPCODE_ST_BE 0x00c7 /* Bulk Erase */ 17#define OPCODE_ST_DP 0x00b9 /* Deep Power-down */ 18#define OPCODE_ST_RES 0x03ab /* Read Electronic Signature */ 19#define OPCODE_ST_CSA 0x1000 /* Keep chip select asserted */ 20#define OPCODE_ST_SSE 0x0220 /* Sub-sector Erase */ 21#define OPCODE_ST_READ4B 0x6313 /* Read Data Bytes in 4Byte addressing mode */ 22 23/* Used for Atmel flashes only. */ 24#define OPCODE_AT_READ 0x07e8 25#define OPCODE_AT_PAGE_READ 0x07d2 26#define OPCODE_AT_STATUS 0x01d7 27#define OPCODE_AT_BUF1_WRITE 0x0384 28#define OPCODE_AT_BUF2_WRITE 0x0387 29#define OPCODE_AT_BUF1_ERASE_PROGRAM 0x0283 30#define OPCODE_AT_BUF2_ERASE_PROGRAM 0x0286 31#define OPCODE_AT_BUF1_PROGRAM 0x0288 32#define OPCODE_AT_BUF2_PROGRAM 0x0289 33#define OPCODE_AT_PAGE_ERASE 0x0281 34#define OPCODE_AT_BLOCK_ERASE 0x0250 35#define OPCODE_AT_BUF1_WRITE_ERASE_PROGRAM 0x0382 36#define OPCODE_AT_BUF2_WRITE_ERASE_PROGRAM 0x0385 37#define OPCODE_AT_BUF1_LOAD 0x0253 38#define OPCODE_AT_BUF2_LOAD 0x0255 39#define OPCODE_AT_BUF1_COMPARE 0x0260 40#define OPCODE_AT_BUF2_COMPARE 0x0261 41#define OPCODE_AT_BUF1_REPROGRAM 0x0258 42#define OPCODE_AT_BUF2_REPROGRAM 0x0259 43 44/* Status register bits for ST flashes */ 45#define SR_ST_WIP 0x01 /* Write In Progress */ 46#define SR_ST_WEL 0x02 /* Write Enable Latch */ 47#define SR_ST_BP_MASK 0x1c /* Block Protect */ 48#define SR_ST_BP_SHIFT 2 49#define SR_ST_SRWD 0x80 /* Status Register Write Disable */ 50 51/* Status register bits for Atmel flashes */ 52#define SR_AT_READY 0x80 53#define SR_AT_MISMATCH 0x40 54#define SR_AT_ID_MASK 0x38 55#define SR_AT_ID_SHIFT 3 56 57struct bcma_drv_cc; 58 59enum bcm47xxsflash_type { 60 BCM47XXSFLASH_TYPE_ATMEL, 61 BCM47XXSFLASH_TYPE_ST, 62}; 63 64struct bcm47xxsflash { 65 struct bcma_drv_cc *bcma_cc; 66 int (*cc_read)(struct bcm47xxsflash *b47s, u16 offset); 67 void (*cc_write)(struct bcm47xxsflash *b47s, u16 offset, u32 value); 68 69 enum bcm47xxsflash_type type; 70 71 void __iomem *window; 72 73 u32 blocksize; 74 u16 numblocks; 75 u32 size; 76 77 struct mtd_info mtd; 78}; 79 80#endif /* BCM47XXSFLASH */ 81