spi_winbond.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
/* Winbond specific function */
/* M25Pxx-specific commands */
#define CMD_W25_WREN            0x06 /* Write Enable */
#define CMD_W25_WRDI            0x04 /* Write Disable */
#define CMD_W25_RDSR            0x05 /* Read Status Register */
#define CMD_W25_WRSR            0x01 /* Write Status Register */
#define CMD_W25_RDSR2           0x35 /* Read Status2 Register */
#define CMD_W25_WRSR2           0x31 /* Write Status2 Register */
#define CMD_W25_READ            0x03 /* Read Data Bytes */
#define CMD_W25_FAST_READ       0x0b /* Read Data Bytes at Higher Speed */
#define CMD_W25_PP              0x02 /* Page Program */
#define CMD_W25_SE              0x20 /* Sector (4K) Erase */
#define CMD_W25_RDID            0x9f /* Read ID */
#define CMD_W25_BE              0xd8 /* Block (64K) Erase */
#define CMD_W25_CE              0xc7 /* Chip Erase */
#define CMD_W25_DP              0xb9 /* Deep Power-down */
#define CMD_W25_RES             0xab /* Release from DP and Read Signature */
#define CMD_VOLATILE_SREG_WREN  0x50 /* Write Enable for Volatile SREG */
 
/* tw: Maximum time to write a flash cell in milliseconds */
#define WINBOND_FLASH_TIMEOUT 30