| Angel Pons | 8a3453f | 2020-04-02 23:48:19 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Frans Hendriks | 31eac4d | 2019-03-04 15:16:43 +0100 | [diff] [blame] | 2 | |
| 3 | /* Winbond specific function */ |
| 4 | /* M25Pxx-specific commands */ |
| 5 | #define CMD_W25_WREN 0x06 /* Write Enable */ |
| 6 | #define CMD_W25_WRDI 0x04 /* Write Disable */ |
| 7 | #define CMD_W25_RDSR 0x05 /* Read Status Register */ |
| 8 | #define CMD_W25_WRSR 0x01 /* Write Status Register */ |
| 9 | #define CMD_W25_RDSR2 0x35 /* Read Status2 Register */ |
| 10 | #define CMD_W25_WRSR2 0x31 /* Write Status2 Register */ |
| 11 | #define CMD_W25_READ 0x03 /* Read Data Bytes */ |
| 12 | #define CMD_W25_FAST_READ 0x0b /* Read Data Bytes at Higher Speed */ |
| 13 | #define CMD_W25_PP 0x02 /* Page Program */ |
| 14 | #define CMD_W25_SE 0x20 /* Sector (4K) Erase */ |
| 15 | #define CMD_W25_RDID 0x9f /* Read ID */ |
| 16 | #define CMD_W25_BE 0xd8 /* Block (64K) Erase */ |
| 17 | #define CMD_W25_CE 0xc7 /* Chip Erase */ |
| 18 | #define CMD_W25_DP 0xb9 /* Deep Power-down */ |
| 19 | #define CMD_W25_RES 0xab /* Release from DP and Read Signature */ |
| 20 | #define CMD_VOLATILE_SREG_WREN 0x50 /* Write Enable for Volatile SREG */ |
| 21 | |
| 22 | /* tw: Maximum time to write a flash cell in milliseconds */ |
| 23 | #define WINBOND_FLASH_TIMEOUT 30 |