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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef __BCM47XXSFLASH_H3#define __BCM47XXSFLASH_H4 5#include <linux/mtd/mtd.h>6 7#define BCM47XXSFLASH_WINDOW_SZ SZ_16M8 9/* Used for ST flashes only. */10#define OPCODE_ST_WREN 0x0006 /* Write Enable */11#define OPCODE_ST_WRDIS 0x0004 /* Write Disable */12#define OPCODE_ST_RDSR 0x0105 /* Read Status Register */13#define OPCODE_ST_WRSR 0x0101 /* Write Status Register */14#define OPCODE_ST_READ 0x0303 /* Read Data Bytes */15#define OPCODE_ST_PP 0x0302 /* Page Program */16#define OPCODE_ST_SE 0x02d8 /* Sector Erase */17#define OPCODE_ST_BE 0x00c7 /* Bulk Erase */18#define OPCODE_ST_DP 0x00b9 /* Deep Power-down */19#define OPCODE_ST_RES 0x03ab /* Read Electronic Signature */20#define OPCODE_ST_CSA 0x1000 /* Keep chip select asserted */21#define OPCODE_ST_SSE 0x0220 /* Sub-sector Erase */22#define OPCODE_ST_READ4B 0x6313 /* Read Data Bytes in 4Byte addressing mode */23 24/* Used for Atmel flashes only. */25#define OPCODE_AT_READ 0x07e826#define OPCODE_AT_PAGE_READ 0x07d227#define OPCODE_AT_STATUS 0x01d728#define OPCODE_AT_BUF1_WRITE 0x038429#define OPCODE_AT_BUF2_WRITE 0x038730#define OPCODE_AT_BUF1_ERASE_PROGRAM 0x028331#define OPCODE_AT_BUF2_ERASE_PROGRAM 0x028632#define OPCODE_AT_BUF1_PROGRAM 0x028833#define OPCODE_AT_BUF2_PROGRAM 0x028934#define OPCODE_AT_PAGE_ERASE 0x028135#define OPCODE_AT_BLOCK_ERASE 0x025036#define OPCODE_AT_BUF1_WRITE_ERASE_PROGRAM 0x038237#define OPCODE_AT_BUF2_WRITE_ERASE_PROGRAM 0x038538#define OPCODE_AT_BUF1_LOAD 0x025339#define OPCODE_AT_BUF2_LOAD 0x025540#define OPCODE_AT_BUF1_COMPARE 0x026041#define OPCODE_AT_BUF2_COMPARE 0x026142#define OPCODE_AT_BUF1_REPROGRAM 0x025843#define OPCODE_AT_BUF2_REPROGRAM 0x025944 45/* Status register bits for ST flashes */46#define SR_ST_WIP 0x01 /* Write In Progress */47#define SR_ST_WEL 0x02 /* Write Enable Latch */48#define SR_ST_BP_MASK 0x1c /* Block Protect */49#define SR_ST_BP_SHIFT 250#define SR_ST_SRWD 0x80 /* Status Register Write Disable */51 52/* Status register bits for Atmel flashes */53#define SR_AT_READY 0x8054#define SR_AT_MISMATCH 0x4055#define SR_AT_ID_MASK 0x3856#define SR_AT_ID_SHIFT 357 58struct bcma_drv_cc;59 60enum bcm47xxsflash_type {61 BCM47XXSFLASH_TYPE_ATMEL,62 BCM47XXSFLASH_TYPE_ST,63};64 65struct bcm47xxsflash {66 struct bcma_drv_cc *bcma_cc;67 int (*cc_read)(struct bcm47xxsflash *b47s, u16 offset);68 void (*cc_write)(struct bcm47xxsflash *b47s, u16 offset, u32 value);69 70 enum bcm47xxsflash_type type;71 72 void __iomem *window;73 74 u32 blocksize;75 u16 numblocks;76 u32 size;77 78 struct mtd_info mtd;79};80 81#endif /* BCM47XXSFLASH */82