| 1 | /* Common Flash Memory Interface (CFI) model. |
| 2 | |
| 3 | Copyright (C) 2010-2016 Free Software Foundation, Inc. |
| 4 | Contributed by Analog Devices, Inc. |
| 5 | |
| 6 | This file is part of simulators. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 3 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 20 | |
| 21 | #ifndef DV_CFI_H |
| 22 | #define DV_CFI_H |
| 23 | |
| 24 | /* CFI standard. */ |
| 25 | #define CFI_CMD_CFI_QUERY 0x98 |
| 26 | #define CFI_ADDR_CFI_QUERY_START 0x55 |
| 27 | #define CFI_ADDR_CFI_QUERY_RESULT 0x10 |
| 28 | |
| 29 | #define CFI_CMD_READ 0xFF |
| 30 | #define CFI_CMD_RESET 0xF0 |
| 31 | #define CFI_CMD_READ_ID 0x90 |
| 32 | |
| 33 | /* Intel specific. */ |
| 34 | #define CFI_CMDSET_INTEL 0x0001 |
| 35 | #define INTEL_CMD_STATUS_CLEAR 0x50 |
| 36 | #define INTEL_CMD_STATUS_READ 0x70 |
| 37 | #define INTEL_CMD_WRITE 0x40 |
| 38 | #define INTEL_CMD_WRITE_ALT 0x10 |
| 39 | #define INTEL_CMD_WRITE_BUFFER 0xE8 |
| 40 | #define INTEL_CMD_WRITE_BUFFER_CONFIRM 0xD0 |
| 41 | #define INTEL_CMD_LOCK_SETUP 0x60 |
| 42 | #define INTEL_CMD_LOCK_BLOCK 0x01 |
| 43 | #define INTEL_CMD_UNLOCK_BLOCK 0xD0 |
| 44 | #define INTEL_CMD_LOCK_DOWN_BLOCK 0x2F |
| 45 | #define INTEL_CMD_ERASE_BLOCK 0x20 |
| 46 | #define INTEL_CMD_ERASE_CONFIRM 0xD0 |
| 47 | |
| 48 | /* Intel Status Register bits. */ |
| 49 | #define INTEL_SR_BWS (1 << 0) /* BEFP Write. */ |
| 50 | #define INTEL_SR_BLS (1 << 1) /* Block Locked. */ |
| 51 | #define INTEL_SR_PSS (1 << 2) /* Program Suspend. */ |
| 52 | #define INTEL_SR_VPPS (1 << 3) /* Vpp. */ |
| 53 | #define INTEL_SR_PS (1 << 4) /* Program. */ |
| 54 | #define INTEL_SR_ES (1 << 5) /* Erase. */ |
| 55 | #define INTEL_SR_ESS (1 << 6) /* Erase Suspend. */ |
| 56 | #define INTEL_SR_DWS (1 << 7) /* Device Write. */ |
| 57 | |
| 58 | #define INTEL_ID_MANU 0x89 |
| 59 | |
| 60 | #endif |