xref: /src/sys/arch/hpcmips/stand/lcboot/i28f128reg.h

/* $NetBSD: i28f128reg.h,v 1.4 2005/12/11 12:17:34 christos Exp $ */

/*
 * Copyright (c) 2003 Naoto Shimazaki.
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY NAOTO SHIMAZAKI AND CONTRIBUTORS ``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 NAOTO OR CONTRIBUTORS 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.
 */

/*
 * Flash Memory Writer
 */

#define	I28F128_BLOCK_SIZE	0x20000		/* 128Kbyte */
#define	I28F128_BLOCK_MASK	0x1ffff		/* 128Kbyte */

#define	I28F128_WBUF_SIZE	0x20

#define	I28F128_MANUFACT	0x89
#define	I28F128_DEVCODE		0x18
#define	I28F128_PRIM_COMM0	0x01
#define	I28F128_PRIM_COMM1	0x00
#define	I28F128_PRIM_EXT_TBL0	0x31
#define	I28F128_PRIM_EXT_TBL1	0x00

#define	I28F128_RESET		0xff
#define	I28F128_READ_ARRAY	I28F128_RESET
#define	I28F128_READ_ID		0x90
#define	I28F128_READ_STATUS	0x70
#define	I28F128_CLEAR_STATUS	0x50

#define	I28F128_BLK_ERASE_1ST	0x20
#define	I28F128_BLK_ERASE_2ND	0xd0
#define	I28F128_WORDBYTE_PROG	0x40
#define	I28F128_WRITE_BUFFER	0xe8
#define	I28F128_WBUF_CONFIRM	0xd0

#define	I28F128_S_READY		0x80
#define	I28F128_S_ERASE_SUSPEND	0x40
#define	I28F128_S_ERASE_ERROR	0x20
#define	I28F128_S_PROG_ERROR	0x10
#define	I28F128_S_LOW_VOLTAGE	0x08
#define	I28F128_S_PROG_SUSPEND	0x04
#define	I28F128_S_BLOCK_LOCKED	0x02

#define	I28F128_XS_BUF_AVAIL	0x80