1/* Common Flash Memory Interface (CFI) model. 2 3 Copyright (C) 2010 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 61