1 #ifndef __BCM47XXSFLASH_H
2 #define __BCM47XXSFLASH_H
4 #include <linux/mtd/mtd.h>
6 #define BCM47XXSFLASH_WINDOW_SZ SZ_16M
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 */
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
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 */
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
59 enum bcm47xxsflash_type {
60 BCM47XXSFLASH_TYPE_ATMEL,
61 BCM47XXSFLASH_TYPE_ST,
64 struct 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);
69 enum bcm47xxsflash_type type;
80 #endif /* BCM47XXSFLASH */