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/*-
* Copyright (c) 2007, Juniper Networks, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _DEV_CFI_REG_H_
#define _DEV_CFI_REG_H_
struct cfi_qry {
u_char reserved[16];
u_char ident[3]; /* "QRY" */
u_char pri_vend[2];
u_char pri_vend_eqt[2];
u_char alt_vend[2];
u_char alt_vend_eqt[2];
/* System Interface Information. */
u_char min_vcc;
u_char max_vcc;
u_char min_vpp;
u_char max_vpp;
u_char tto_byte_write; /* 2**n milliseconds. */
u_char tto_buf_write; /* 2**n milliseconds. */
u_char tto_block_erase; /* 2**n milliseconds. */
u_char tto_chip_erase; /* 2**n milliseconds. */
u_char mto_byte_write; /* 2**n times typical t/o. */
u_char mto_buf_write; /* 2**n times typical t/o. */
u_char mto_block_erase; /* 2**n times typical t/o. */
u_char mto_chip_erase; /* 2**n times typical t/o. */
/* Device Geometry Definition. */
u_char size; /* 2**n bytes. */
u_char iface[2];
u_char max_buf_write_size[2]; /* 2**n. */
u_char nregions; /* Number of erase regions. */
u_char region[4]; /* Single entry. */
/* Additional entries follow. */
/* Primary Vendor-specific Extended Query table follows. */
/* Alternate Vendor-specific Extended Query table follows. */
};
#define CFI_QRY_CMD_ADDR 0x55
#define CFI_QRY_CMD_DATA 0x98
#define CFI_QRY_IDENT offsetof(struct cfi_qry, ident)
#define CFI_QRY_VEND offsetof(struct cfi_qry, pri_vend)
#define CFI_QRY_TTO_WRITE offsetof(struct cfi_qry, tto_byte_write)
#define CFI_QRY_TTO_ERASE offsetof(struct cfi_qry, tto_block_erase)
#define CFI_QRY_MTO_WRITE offsetof(struct cfi_qry, mto_byte_write)
#define CFI_QRY_MTO_ERASE offsetof(struct cfi_qry, mto_block_erase)
#define CFI_QRY_SIZE offsetof(struct cfi_qry, size)
#define CFI_QRY_IFACE offsetof(struct cfi_qry, iface)
#define CFI_QRY_NREGIONS offsetof(struct cfi_qry, nregions)
#define CFI_QRY_REGION0 offsetof(struct cfi_qry, region)
#define CFI_QRY_REGION(x) (CFI_QRY_REGION0 + (x) * 4)
#define CFI_VEND_NONE 0x0000
#define CFI_VEND_INTEL_ECS 0x0001
#define CFI_VEND_AMD_SCS 0x0002
#define CFI_VEND_INTEL_SCS 0x0003
#define CFI_VEND_AMD_ECS 0x0004
#define CFI_VEND_MITSUBISHI_SCS 0x0100
#define CFI_VEND_MITSUBISHI_ECS 0x0101
#define CFI_IFACE_X8 0x0000
#define CFI_IFACE_X16 0x0001
#define CFI_IFACE_X8X16 0x0002
#define CFI_IFACE_X32 0x0003
#define CFI_IFACE_X16X32 0x0005
/* Standard Command Set (aka Basic Command Set) */
#define CFI_BCS_BLOCK_ERASE 0x20
#define CFI_BCS_PROGRAM 0x40
#define CFI_BCS_CLEAR_STATUS 0x50
#define CFI_BCS_READ_STATUS 0x70
#define CFI_BCS_ERASE_SUSPEND 0xb0
#define CFI_BCS_ERASE_RESUME 0xd0 /* Equals CONFIRM */
#define CFI_BCS_CONFIRM 0xd0
#define CFI_BCS_READ_ARRAY 0xff
/* Intel commands. */
#define CFI_INTEL_READ_ID 0x90 /* Read Identifier */
#define CFI_INTEL_PP_SETUP 0xc0 /* Protection Program Setup */
/* NB: these are addresses for 16-bit accesses */
#define CFI_INTEL_PLR 0x80 /* Protection Lock Register */
#define CFI_INTEL_PR(n) (0x81+(n)) /* Protection Register */
/* Status register definitions */
#define CFI_INTEL_STATUS_WSMS 0x0080 /* Write Machine Status */
#define CFI_INTEL_STATUS_ESS 0x0040 /* Erase Suspend Status */
#define CFI_INTEL_STATUS_ECLBS 0x0020 /* Erase and Clear Lock-Bit Status */
#define CFI_INTEL_STATUS_PSLBS 0x0010 /* Program and Set Lock-Bit Status */
#define CFI_INTEL_STATUS_VPENS 0x0008 /* Programming Voltage Status */
#define CFI_INTEL_STATUS_PSS 0x0004 /* Program Suspend Status */
#define CFI_INTEL_STATUS_DPS 0x0002 /* Device Protect Status */
#define CFI_INTEL_STATUS_RSVD 0x0001 /* reserved */
/* eXtended Status register definitions */
#define CFI_INTEL_XSTATUS_WBS 0x8000 /* Write Buffer Status */
#define CFI_INTEL_XSTATUS_RSVD 0x7f00 /* reserved */
/* AMD commands. */
#define CFI_AMD_BLOCK_ERASE 0x30
#define CFI_AMD_UNLOCK_ACK 0x55
#define CFI_AMD_ERASE_SECTOR 0x80
#define CFI_AMD_PROGRAM 0xa0
#define CFI_AMD_UNLOCK 0xaa
#define AMD_ADDR_START 0xaaa
#define AMD_ADDR_ACK 0x555
#endif /* _DEV_CFI_REG_H_ */
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