1 /* $NetBSD: flashvar.h,v 1.1 2003/05/01 07:02:04 igy Exp $ */ 2 3 /* 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Naoto Shimazaki of YOKOGAWA Electric Corporation. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Intel 28F128 Flash Memory driver variables 41 */ 42 43 #define FLASH_RESET 0xff 44 45 46 #define FLASH_ST_BUSY 0x01 47 48 struct flash_softc { 49 struct device sc_dev; 50 bus_space_tag_t sc_iot; 51 bus_space_handle_t sc_ioh; 52 size_t sc_size; 53 size_t sc_block_size; 54 int sc_status; 55 u_int8_t *sc_buf; 56 const struct flashops { 57 const char *fo_name; 58 int (*fo_erase) (struct flash_softc *, bus_size_t); 59 int (*fo_write) (struct flash_softc *, bus_size_t); 60 } *sc_ops; 61 62 int sc_write_buffer_size; 63 int sc_typ_word_prog_timo; 64 int sc_max_word_prog_timo; 65 int sc_typ_buffer_write_timo; 66 int sc_max_buffer_write_timo; 67 int sc_typ_block_erase_timo; 68 int sc_max_block_erase_timo; 69 u_int8_t sc_cfi_raw[CFI_TOTAL_SIZE]; 70 }; 71 72 #define flash_block_erase(sc, off) (sc)->sc_ops->fo_erase((sc), (off)) 73 #define flash_block_write(sc, off) (sc)->sc_ops->fo_write((sc), (off)) 74 75 #define FLASH_TIMEOUT 0x40000000 76