Quelle  serial_flash_cmds.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Generic/SFDP Flash Commands and Device Capabilities
 *
 * Copyright (C) 2013 Lee Jones <lee.jones@lianro.org>
 */

#ifndef _MTD_SERIAL_FLASH_CMDS_H
#define _MTD_SERIAL_FLASH_CMDS_H

/* Generic Flash Commands/OPCODEs */
#define SPINOR_OP_WRVCR  0x81
#define SPINOR_OP_RDVCR  0x85

/* JEDEC Standard - Serial Flash Discoverable Parmeters (SFDP) Commands */
#define SPINOR_OP_WRITE  0x02 /* PAGE PROGRAM */
#define SPINOR_OP_WRITE_1_1_2 0xa2 /* DUAL INPUT PROGRAM */
#define SPINOR_OP_WRITE_1_2_2 0xd2 /* DUAL INPUT EXT PROGRAM */
#define SPINOR_OP_WRITE_1_1_4 0x32 /* QUAD INPUT PROGRAM */
#define SPINOR_OP_WRITE_1_4_4 0x12 /* QUAD INPUT EXT PROGRAM */

/* Configuration flags */
#define FLASH_FLAG_SINGLE 0x000000ff
#define FLASH_FLAG_READ_WRITE 0x00000001
#define FLASH_FLAG_READ_FAST 0x00000002
#define FLASH_FLAG_SE_4K 0x00000004
#define FLASH_FLAG_SE_32K 0x00000008
#define FLASH_FLAG_CE  0x00000010
#define FLASH_FLAG_32BIT_ADDR 0x00000020
#define FLASH_FLAG_RESET 0x00000040
#define FLASH_FLAG_DYB_LOCKING 0x00000080

#define FLASH_FLAG_DUAL  0x0000ff00
#define FLASH_FLAG_READ_1_1_2 0x00000100
#define FLASH_FLAG_READ_1_2_2 0x00000200
#define FLASH_FLAG_READ_2_2_2 0x00000400
#define FLASH_FLAG_WRITE_1_1_2 0x00001000
#define FLASH_FLAG_WRITE_1_2_2 0x00002000
#define FLASH_FLAG_WRITE_2_2_2 0x00004000

#define FLASH_FLAG_QUAD  0x00ff0000
#define FLASH_FLAG_READ_1_1_4 0x00010000
#define FLASH_FLAG_READ_1_4_4 0x00020000
#define FLASH_FLAG_READ_4_4_4 0x00040000
#define FLASH_FLAG_WRITE_1_1_4 0x00100000
#define FLASH_FLAG_WRITE_1_4_4 0x00200000
#define FLASH_FLAG_WRITE_4_4_4 0x00400000

#endif /* _MTD_SERIAL_FLASH_CMDS_H */