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Merge from eCos master repository on 2002-05-20-20:11:54-BST
author jlarmour
date Mon, 20 May 2002 22:19:26 +0000
parents 8147f1c99f15
children d2c90368aeef
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1 //==========================================================================
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2 //
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3 // ide.h
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4 //
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5 // IDE Interface Driver Tables for RedBoot
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6 //
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7 //==========================================================================
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8 //####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later version.
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16 //
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 // for more details.
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21 //
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22 // You should have received a copy of the GNU General Public License along
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23 // with eCos; if not, write to the Free Software Foundation, Inc.,
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 //
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26 // As a special exception, if other files instantiate templates or use macros
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27 // or inline functions from this file, or you compile this file and link it
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28 // with other works to produce a work based on this file, this file does not
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29 // by itself cause the resulting work to be covered by the GNU General Public
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30 // License. However the source code for this file must still be made available
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31 // in accordance with section (3) of the GNU General Public License.
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32 //
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33 // This exception does not invalidate any other reasons why a work based on
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34 // this file might be covered by the GNU General Public License.
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35 //
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 // at http://sources.redhat.com/ecos/ecos-license
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38 // -------------------------------------------
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39 //####ECOSGPLCOPYRIGHTEND####
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40 //==========================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author(s): msalter
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44 // Contributors: msalter
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45 // Date: 2001-07-06
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46 // Purpose:
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47 // Description:
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48 //
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49 // This code is part of RedBoot (tm).
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50 //
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51 //####DESCRIPTIONEND####
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52 //
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53 //==========================================================================
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54
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55 #ifndef CYGONCE_REDBOOT_IDE_H
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56 #define CYGONCE_REDBOOT_IDE_H
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57
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58 // IDE Register Indices
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59 #define IDE_REG_DATA 0
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60 #define IDE_REG_ERROR 1
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61 #define IDE_REG_FEATURES 1
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62 #define IDE_REG_COUNT 2
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63 #define IDE_REG_REASON 2 // ATAPI
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64 #define IDE_REG_LBALOW 3
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65 #define IDE_REG_LBAMID 4
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66 #define IDE_REG_LBAHI 5
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67 #define IDE_REG_DEVICE 6
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68 #define IDE_REG_STATUS 7
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69 #define IDE_REG_COMMAND 7
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70
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71 #define IDE_STAT_BSY 0x80
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72 #define IDE_STAT_DRDY 0x40
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73 #define IDE_STAT_SERVICE 0x10
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74 #define IDE_STAT_DRQ 0x08
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75 #define IDE_STAT_CORR 0x04
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76 #define IDE_STAT_ERR 0x01
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77
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78 #define IDE_REASON_REL 0x04
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79 #define IDE_REASON_IO 0x02
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80 #define IDE_REASON_COD 0x01
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81
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82 //
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83 // Drive ID offsets of interest
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84 //
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85 #define IDE_DEVID_GENCONFIG 0
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86 #define IDE_DEVID_SERNO 20
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87 #define IDE_DEVID_MODEL 54
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88 #define IDE_DEVID_LBA_CAPACITY 120
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89
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90 struct ide_priv {
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91 cyg_uint8 controller;
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92 cyg_uint8 drive;
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93 cyg_uint16 flags;
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94 };
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95
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96 /* flag values */
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97 #define IDE_DEV_PRESENT 1 // Device is present
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98 #define IDE_DEV_PACKET 2 // Supports packet interface
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99 #define IDE_DEV_ADDR48 3 // Supports 48bit addressing
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100
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101 #define CDROM_SECTOR_SIZE 2048
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102 #define SECTORS_PER_CDROM_SECTOR (CDROM_SECTOR_SIZE/SECTOR_SIZE)
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103
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104 #endif // CYGONCE_REDBOOT_IDE_H