sys/arch/hpcmips/vr/flashvar.h

   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  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * Intel 28F128 Flash Memory driver variables
  34  */
  35
  36 #define FLASH_RESET     0xff
  37
  38
  39 #define FLASH_ST_BUSY   0x01
  40
  41 struct flash_softc {
  42         struct device           sc_dev;
  43         bus_space_tag_t         sc_iot;
  44         bus_space_handle_t      sc_ioh;
  45         size_t                  sc_size;
  46         size_t                  sc_block_size;
  47         int                     sc_status;
  48         u_int8_t                *sc_buf;
  49         const struct flashops {
  50                 const char      *fo_name;
  51                 int     (*fo_erase)     (struct flash_softc *, bus_size_t);
  52                 int     (*fo_write)     (struct flash_softc *, bus_size_t);
  53         } *sc_ops;
  54
  55         int                     sc_write_buffer_size;
  56         int                     sc_typ_word_prog_timo;
  57         int                     sc_max_word_prog_timo;
  58         int                     sc_typ_buffer_write_timo;
  59         int                     sc_max_buffer_write_timo;
  60         int                     sc_typ_block_erase_timo;
  61         int                     sc_max_block_erase_timo;
  62         u_int8_t                sc_cfi_raw[CFI_TOTAL_SIZE];
  63 };
  64
  65 #define flash_block_erase(sc, off)      (sc)->sc_ops->fo_erase((sc), (off))
  66 #define flash_block_write(sc, off)      (sc)->sc_ops->fo_write((sc), (off))
  67
  68 #define FLASH_TIMEOUT   0x40000000