1 /* Common Flash Memory Interface (CFI) model.
3 Copyright (C) 2010-2015 Free Software Foundation, Inc.
4 Contributed by Analog Devices, Inc.
6 This file is part of simulators.
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.
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.
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/>. */
25 #define CFI_CMD_CFI_QUERY 0x98
26 #define CFI_ADDR_CFI_QUERY_START 0x55
27 #define CFI_ADDR_CFI_QUERY_RESULT 0x10
29 #define CFI_CMD_READ 0xFF
30 #define CFI_CMD_RESET 0xF0
31 #define CFI_CMD_READ_ID 0x90
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
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. */
58 #define INTEL_ID_MANU 0x89
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