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1/* Common Flash Memory Interface (CFI) model.
2
8acc9f48 3 Copyright (C) 2010-2013 Free Software Foundation, Inc.
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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