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annotate packages/redboot/current/include/fs/ide.h @ 3292:7f8e529b4d82 default tip

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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
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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 Free Software Foundation, 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
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //==========================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): msalter
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43 // Contributors: msalter
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44 // Date: 2001-07-06
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45 // Purpose:
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46 // Description:
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47 //
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48 // This code is part of RedBoot (tm).
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49 //
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50 //####DESCRIPTIONEND####
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51 //
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52 //==========================================================================
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53
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54 #ifndef CYGONCE_REDBOOT_IDE_H
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55 #define CYGONCE_REDBOOT_IDE_H
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56
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57 // IDE Register Indices
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58 #define IDE_REG_DATA 0
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59 #define IDE_REG_ERROR 1
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60 #define IDE_REG_FEATURES 1
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61 #define IDE_REG_COUNT 2
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62 #define IDE_REG_REASON 2 // ATAPI
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63 #define IDE_REG_LBALOW 3
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64 #define IDE_REG_LBAMID 4
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65 #define IDE_REG_LBAHI 5
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66 #define IDE_REG_DEVICE 6
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67 #define IDE_REG_STATUS 7
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68 #define IDE_REG_COMMAND 7
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69
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70 #define IDE_STAT_BSY 0x80
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71 #define IDE_STAT_DRDY 0x40
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72 #define IDE_STAT_SERVICE 0x10
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73 #define IDE_STAT_DRQ 0x08
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74 #define IDE_STAT_CORR 0x04
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75 #define IDE_STAT_ERR 0x01
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76
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77 #define IDE_REASON_REL 0x04
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78 #define IDE_REASON_IO 0x02
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79 #define IDE_REASON_COD 0x01
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80
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81 //
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82 // Drive ID offsets of interest
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83 //
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84 #define IDE_DEVID_GENCONFIG 0
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85 #define IDE_DEVID_SERNO 20
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86 #define IDE_DEVID_MODEL 54
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87 #define IDE_DEVID_LBA_CAPACITY 120
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88
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89 struct ide_priv {
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90 cyg_uint8 controller;
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91 cyg_uint8 drive;
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92 cyg_uint16 flags;
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93 };
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94
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95 /* flag values */
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96 #define IDE_DEV_PRESENT 1 // Device is present
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97 #define IDE_DEV_PACKET 2 // Supports packet interface
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98 #define IDE_DEV_ADDR48 3 // Supports 48bit addressing
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99
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100 #define CDROM_SECTOR_SIZE 2048
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101 #define SECTORS_PER_CDROM_SECTOR (CDROM_SECTOR_SIZE/SECTOR_SIZE)
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102
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103 #endif // CYGONCE_REDBOOT_IDE_H