| Sandrine Bailleux | 3cd87d7 | 2018-10-09 11:12:55 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2015-2017, Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef __NORFLASH_H_ |
| 8 | #define __NORFLASH_H_ |
| 9 | |
| 10 | #include <stdint.h> |
| 11 | |
| 12 | /* First bus cycle */ |
| 13 | #define NOR_CMD_READ_ARRAY 0xFF |
| 14 | #define NOR_CMD_READ_ID_CODE 0x90 |
| 15 | #define NOR_CMD_READ_QUERY 0x98 |
| 16 | #define NOR_CMD_READ_STATUS_REG 0x70 |
| 17 | #define NOR_CMD_CLEAR_STATUS_REG 0x50 |
| 18 | #define NOR_CMD_WRITE_TO_BUFFER 0xE8 |
| 19 | #define NOR_CMD_WORD_PROGRAM 0x40 |
| 20 | #define NOR_CMD_BLOCK_ERASE 0x20 |
| 21 | #define NOR_CMD_LOCK_UNLOCK 0x60 |
| 22 | #define NOR_CMD_BLOCK_ERASE_ACK 0xD0 |
| 23 | #define NOR_CMD_BUFFERED_PROGRAM 0xE8 |
| 24 | |
| 25 | /* Second bus cycle */ |
| 26 | #define NOR_LOCK_BLOCK 0x01 |
| 27 | #define NOR_UNLOCK_BLOCK 0xD0 |
| 28 | #define NOR_CMD_BUFFERED_PROGRAM_ACK 0xD0 |
| 29 | |
| 30 | /* Status register bits */ |
| 31 | #define NOR_DWS (1 << 7) |
| 32 | #define NOR_ESS (1 << 6) |
| 33 | #define NOR_ES (1 << 5) |
| 34 | #define NOR_PS (1 << 4) |
| 35 | #define NOR_VPPS (1 << 3) |
| 36 | #define NOR_PSS (1 << 2) |
| 37 | #define NOR_BLS (1 << 1) |
| 38 | #define NOR_BWS (1 << 0) |
| 39 | |
| 40 | #endif /* __NORFLASH_H_ */ |
| 41 | |