cfi_reg.h revision 184251
1184251Smarcel/*- 2184251Smarcel * Copyright (c) 2007, Juniper Networks, Inc. 3184251Smarcel * All rights reserved. 4184251Smarcel * 5184251Smarcel * Redistribution and use in source and binary forms, with or without 6184251Smarcel * modification, are permitted provided that the following conditions 7184251Smarcel * are met: 8184251Smarcel * 1. Redistributions of source code must retain the above copyright 9184251Smarcel * notice, this list of conditions and the following disclaimer. 10184251Smarcel * 2. Redistributions in binary form must reproduce the above copyright 11184251Smarcel * notice, this list of conditions and the following disclaimer in the 12184251Smarcel * documentation and/or other materials provided with the distribution. 13184251Smarcel * 3. Neither the name of the author nor the names of any co-contributors 14184251Smarcel * may be used to endorse or promote products derived from this software 15184251Smarcel * without specific prior written permission. 16184251Smarcel * 17184251Smarcel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18184251Smarcel * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19184251Smarcel * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20184251Smarcel * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21184251Smarcel * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 22184251Smarcel * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23184251Smarcel * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 24184251Smarcel * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25184251Smarcel * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26184251Smarcel * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27184251Smarcel * SUCH DAMAGE. 28184251Smarcel * 29184251Smarcel * $FreeBSD: head/sys/dev/cfi/cfi_reg.h 184251 2008-10-25 06:18:12Z marcel $ 30184251Smarcel */ 31184251Smarcel 32184251Smarcel#ifndef _DEV_CFI_REG_H_ 33184251Smarcel#define _DEV_CFI_REG_H_ 34184251Smarcel 35184251Smarcelstruct cfi_qry { 36184251Smarcel u_char reserved[16]; 37184251Smarcel u_char ident[3]; /* "QRY" */ 38184251Smarcel u_char pri_vend[2]; 39184251Smarcel u_char pri_vend_eqt[2]; 40184251Smarcel u_char alt_vend[2]; 41184251Smarcel u_char alt_vend_eqt[2]; 42184251Smarcel /* System Interface Information. */ 43184251Smarcel u_char min_vcc; 44184251Smarcel u_char max_vcc; 45184251Smarcel u_char min_vpp; 46184251Smarcel u_char max_vpp; 47184251Smarcel u_char tto_byte_write; /* 2**n milliseconds. */ 48184251Smarcel u_char tto_buf_write; /* 2**n milliseconds. */ 49184251Smarcel u_char tto_block_erase; /* 2**n milliseconds. */ 50184251Smarcel u_char tto_chip_erase; /* 2**n milliseconds. */ 51184251Smarcel u_char mto_byte_write; /* 2**n times typical t/o. */ 52184251Smarcel u_char mto_buf_write; /* 2**n times typical t/o. */ 53184251Smarcel u_char mto_block_erase; /* 2**n times typical t/o. */ 54184251Smarcel u_char mto_chip_erase; /* 2**n times typical t/o. */ 55184251Smarcel /* Device Geometry Definition. */ 56184251Smarcel u_char size; /* 2**n bytes. */ 57184251Smarcel u_char iface[2]; 58184251Smarcel u_char max_buf_write_size[2]; /* 2**n. */ 59184251Smarcel u_char nregions; /* Number of erase regions. */ 60184251Smarcel u_char region[4]; /* Single entry. */ 61184251Smarcel /* Additional entries follow. */ 62184251Smarcel /* Primary Vendor-specific Extended Query table follows. */ 63184251Smarcel /* Alternate Vendor-specific Extended Query table follows. */ 64184251Smarcel}; 65184251Smarcel 66184251Smarcel#define CFI_QRY_CMD_ADDR 0x55 67184251Smarcel#define CFI_QRY_CMD_DATA 0x98 68184251Smarcel 69184251Smarcel#define CFI_QRY_IDENT offsetof(struct cfi_qry, ident) 70184251Smarcel#define CFI_QRY_VEND offsetof(struct cfi_qry, pri_vend) 71184251Smarcel 72184251Smarcel#define CFI_QRY_TTO_WRITE offsetof(struct cfi_qry, tto_byte_write) 73184251Smarcel#define CFI_QRY_TTO_ERASE offsetof(struct cfi_qry, tto_block_erase) 74184251Smarcel#define CFI_QRY_MTO_WRITE offsetof(struct cfi_qry, mto_byte_write) 75184251Smarcel#define CFI_QRY_MTO_ERASE offsetof(struct cfi_qry, mto_block_erase) 76184251Smarcel 77184251Smarcel#define CFI_QRY_SIZE offsetof(struct cfi_qry, size) 78184251Smarcel#define CFI_QRY_IFACE offsetof(struct cfi_qry, iface) 79184251Smarcel#define CFI_QRY_NREGIONS offsetof(struct cfi_qry, nregions) 80184251Smarcel#define CFI_QRY_REGION0 offsetof(struct cfi_qry, region) 81184251Smarcel#define CFI_QRY_REGION(x) (CFI_QRY_REGION0 + (x) * 4) 82184251Smarcel 83184251Smarcel#define CFI_VEND_NONE 0x0000 84184251Smarcel#define CFI_VEND_INTEL_ECS 0x0001 85184251Smarcel#define CFI_VEND_AMD_SCS 0x0002 86184251Smarcel#define CFI_VEND_INTEL_SCS 0x0003 87184251Smarcel#define CFI_VEND_AMD_ECS 0x0004 88184251Smarcel#define CFI_VEND_MITSUBISHI_SCS 0x0100 89184251Smarcel#define CFI_VEND_MITSUBISHI_ECS 0x0101 90184251Smarcel 91184251Smarcel#define CFI_IFACE_X8 0x0000 92184251Smarcel#define CFI_IFACE_X16 0x0001 93184251Smarcel#define CFI_IFACE_X8X16 0x0002 94184251Smarcel#define CFI_IFACE_X32 0x0003 95184251Smarcel#define CFI_IFACE_X16X32 0x0005 96184251Smarcel 97184251Smarcel/* Standard Command Set (aka Basic Command Set) */ 98184251Smarcel#define CFI_BCS_BLOCK_ERASE 0x20 99184251Smarcel#define CFI_BCS_PROGRAM 0x40 100184251Smarcel#define CFI_BCS_CLEAR_STATUS 0x50 101184251Smarcel#define CFI_BCS_READ_STATUS 0x70 102184251Smarcel#define CFI_BCS_ERASE_SUSPEND 0xb0 103184251Smarcel#define CFI_BCS_ERASE_RESUME 0xd0 /* Equals CONFIRM */ 104184251Smarcel#define CFI_BCS_CONFIRM 0xd0 105184251Smarcel#define CFI_BCS_READ_ARRAY 0xff 106184251Smarcel 107184251Smarcel/* AMD commands. */ 108184251Smarcel#define CFI_AMD_BLOCK_ERASE 0x30 109184251Smarcel#define CFI_AMD_UNLOCK_ACK 0x55 110184251Smarcel#define CFI_AMD_ERASE_SECTOR 0x80 111184251Smarcel#define CFI_AMD_PROGRAM 0xa0 112184251Smarcel#define CFI_AMD_UNLOCK 0xaa 113184251Smarcel 114184251Smarcel#define AMD_ADDR_START 0xaaa 115184251Smarcel#define AMD_ADDR_ACK 0x555 116184251Smarcel 117184251Smarcel#endif /* _DEV_CFI_REG_H_ */ 118