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81 lines
2.5 KiB
81 lines
2.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __BCM47XXSFLASH_H |
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#define __BCM47XXSFLASH_H |
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#include <linux/mtd/mtd.h> |
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#define BCM47XXSFLASH_WINDOW_SZ SZ_16M |
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/* Used for ST flashes only. */ |
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#define OPCODE_ST_WREN 0x0006 /* Write Enable */ |
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#define OPCODE_ST_WRDIS 0x0004 /* Write Disable */ |
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#define OPCODE_ST_RDSR 0x0105 /* Read Status Register */ |
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#define OPCODE_ST_WRSR 0x0101 /* Write Status Register */ |
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#define OPCODE_ST_READ 0x0303 /* Read Data Bytes */ |
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#define OPCODE_ST_PP 0x0302 /* Page Program */ |
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#define OPCODE_ST_SE 0x02d8 /* Sector Erase */ |
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#define OPCODE_ST_BE 0x00c7 /* Bulk Erase */ |
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#define OPCODE_ST_DP 0x00b9 /* Deep Power-down */ |
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#define OPCODE_ST_RES 0x03ab /* Read Electronic Signature */ |
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#define OPCODE_ST_CSA 0x1000 /* Keep chip select asserted */ |
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#define OPCODE_ST_SSE 0x0220 /* Sub-sector Erase */ |
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#define OPCODE_ST_READ4B 0x6313 /* Read Data Bytes in 4Byte addressing mode */ |
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/* Used for Atmel flashes only. */ |
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#define OPCODE_AT_READ 0x07e8 |
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#define OPCODE_AT_PAGE_READ 0x07d2 |
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#define OPCODE_AT_STATUS 0x01d7 |
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#define OPCODE_AT_BUF1_WRITE 0x0384 |
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#define OPCODE_AT_BUF2_WRITE 0x0387 |
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#define OPCODE_AT_BUF1_ERASE_PROGRAM 0x0283 |
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#define OPCODE_AT_BUF2_ERASE_PROGRAM 0x0286 |
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#define OPCODE_AT_BUF1_PROGRAM 0x0288 |
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#define OPCODE_AT_BUF2_PROGRAM 0x0289 |
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#define OPCODE_AT_PAGE_ERASE 0x0281 |
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#define OPCODE_AT_BLOCK_ERASE 0x0250 |
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#define OPCODE_AT_BUF1_WRITE_ERASE_PROGRAM 0x0382 |
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#define OPCODE_AT_BUF2_WRITE_ERASE_PROGRAM 0x0385 |
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#define OPCODE_AT_BUF1_LOAD 0x0253 |
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#define OPCODE_AT_BUF2_LOAD 0x0255 |
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#define OPCODE_AT_BUF1_COMPARE 0x0260 |
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#define OPCODE_AT_BUF2_COMPARE 0x0261 |
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#define OPCODE_AT_BUF1_REPROGRAM 0x0258 |
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#define OPCODE_AT_BUF2_REPROGRAM 0x0259 |
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/* Status register bits for ST flashes */ |
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#define SR_ST_WIP 0x01 /* Write In Progress */ |
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#define SR_ST_WEL 0x02 /* Write Enable Latch */ |
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#define SR_ST_BP_MASK 0x1c /* Block Protect */ |
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#define SR_ST_BP_SHIFT 2 |
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#define SR_ST_SRWD 0x80 /* Status Register Write Disable */ |
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/* Status register bits for Atmel flashes */ |
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#define SR_AT_READY 0x80 |
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#define SR_AT_MISMATCH 0x40 |
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#define SR_AT_ID_MASK 0x38 |
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#define SR_AT_ID_SHIFT 3 |
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struct bcma_drv_cc; |
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enum bcm47xxsflash_type { |
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BCM47XXSFLASH_TYPE_ATMEL, |
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BCM47XXSFLASH_TYPE_ST, |
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}; |
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struct bcm47xxsflash { |
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struct bcma_drv_cc *bcma_cc; |
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int (*cc_read)(struct bcm47xxsflash *b47s, u16 offset); |
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void (*cc_write)(struct bcm47xxsflash *b47s, u16 offset, u32 value); |
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enum bcm47xxsflash_type type; |
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void __iomem *window; |
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u32 blocksize; |
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u16 numblocks; |
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u32 size; |
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struct mtd_info mtd; |
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}; |
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#endif /* BCM47XXSFLASH */
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