68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/* $NetBSD: flashvar.h,v 1.3 2012/10/27 17:17:55 chs Exp $ */
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/*
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Naoto Shimazaki of YOKOGAWA Electric Corporation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Intel 28F128 Flash Memory driver variables
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*/
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#define FLASH_RESET 0xff
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#define FLASH_ST_BUSY 0x01
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struct flash_softc {
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bus_space_tag_t sc_iot;
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bus_space_handle_t sc_ioh;
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size_t sc_size;
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size_t sc_block_size;
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int sc_status;
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u_int8_t *sc_buf;
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const struct flashops {
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const char *fo_name;
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int (*fo_erase) (struct flash_softc *, bus_size_t);
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int (*fo_write) (struct flash_softc *, bus_size_t);
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} *sc_ops;
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int sc_write_buffer_size;
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int sc_typ_word_prog_timo;
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int sc_max_word_prog_timo;
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int sc_typ_buffer_write_timo;
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int sc_max_buffer_write_timo;
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int sc_typ_block_erase_timo;
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int sc_max_block_erase_timo;
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u_int8_t sc_cfi_raw[CFI_TOTAL_SIZE];
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};
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#define flash_block_erase(sc, off) (sc)->sc_ops->fo_erase((sc), (off))
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#define flash_block_write(sc, off) (sc)->sc_ops->fo_write((sc), (off))
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#define FLASH_TIMEOUT 0x40000000
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