/* 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 */
|
