NetBSD/sys/arch/hpcmips/vr/flashvar.h
2008-04-28 20:22:51 +00:00

69 lines
2.4 KiB
C

/* $NetBSD: flashvar.h,v 1.2 2008/04/28 20:23:22 martin Exp $ */
/*
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Naoto Shimazaki of YOKOGAWA Electric Corporation.
*
* 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 THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* Intel 28F128 Flash Memory driver variables
*/
#define FLASH_RESET 0xff
#define FLASH_ST_BUSY 0x01
struct flash_softc {
struct device sc_dev;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
size_t sc_size;
size_t sc_block_size;
int sc_status;
u_int8_t *sc_buf;
const struct flashops {
const char *fo_name;
int (*fo_erase) (struct flash_softc *, bus_size_t);
int (*fo_write) (struct flash_softc *, bus_size_t);
} *sc_ops;
int sc_write_buffer_size;
int sc_typ_word_prog_timo;
int sc_max_word_prog_timo;
int sc_typ_buffer_write_timo;
int sc_max_buffer_write_timo;
int sc_typ_block_erase_timo;
int sc_max_block_erase_timo;
u_int8_t sc_cfi_raw[CFI_TOTAL_SIZE];
};
#define flash_block_erase(sc, off) (sc)->sc_ops->fo_erase((sc), (off))
#define flash_block_write(sc, off) (sc)->sc_ops->fo_write((sc), (off))
#define FLASH_TIMEOUT 0x40000000