/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __BCM47XXSFLASH_H #define __BCM47XXSFLASH_H #include <linux/mtd/mtd.h> #define BCM47XXSFLASH_WINDOW_SZ SZ_16M /* 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 */ #define OPCODE_ST_READ4B 0x6313 /* Read Data Bytes in 4Byte addressing mode */ /* 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; void __iomem *window; u32 blocksize; u16 numblocks; u32 size; struct mtd_info mtd; }; #endif /* BCM47XXSFLASH */