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/* Common Flash Memory Interface (CFI) model.
Copyright (C) 2010-2022 Free Software Foundation, Inc.
Contributed by Analog Devices, Inc.
This file is part of simulators.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef DV_CFI_H
#define DV_CFI_H
/* CFI standard. */
#define CFI_CMD_CFI_QUERY 0x98
#define CFI_ADDR_CFI_QUERY_START 0x55
#define CFI_ADDR_CFI_QUERY_RESULT 0x10
#define CFI_CMD_READ 0xFF
#define CFI_CMD_RESET 0xF0
#define CFI_CMD_READ_ID 0x90
/* Intel specific. */
#define CFI_CMDSET_INTEL 0x0001
#define INTEL_CMD_STATUS_CLEAR 0x50
#define INTEL_CMD_STATUS_READ 0x70
#define INTEL_CMD_WRITE 0x40
#define INTEL_CMD_WRITE_ALT 0x10
#define INTEL_CMD_WRITE_BUFFER 0xE8
#define INTEL_CMD_WRITE_BUFFER_CONFIRM 0xD0
#define INTEL_CMD_LOCK_SETUP 0x60
#define INTEL_CMD_LOCK_BLOCK 0x01
#define INTEL_CMD_UNLOCK_BLOCK 0xD0
#define INTEL_CMD_LOCK_DOWN_BLOCK 0x2F
#define INTEL_CMD_ERASE_BLOCK 0x20
#define INTEL_CMD_ERASE_CONFIRM 0xD0
/* Intel Status Register bits. */
#define INTEL_SR_BWS (1 << 0) /* BEFP Write. */
#define INTEL_SR_BLS (1 << 1) /* Block Locked. */
#define INTEL_SR_PSS (1 << 2) /* Program Suspend. */
#define INTEL_SR_VPPS (1 << 3) /* Vpp. */
#define INTEL_SR_PS (1 << 4) /* Program. */
#define INTEL_SR_ES (1 << 5) /* Erase. */
#define INTEL_SR_ESS (1 << 6) /* Erase Suspend. */
#define INTEL_SR_DWS (1 << 7) /* Device Write. */
#define INTEL_ID_MANU 0x89
#endif
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