1 | /*===============================================================*\ |
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2 | | Project: RTEMS PC386 IDE harddisc driver tables | |
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3 | +-----------------------------------------------------------------+ |
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4 | | File: idecfg.c | |
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5 | +-----------------------------------------------------------------+ |
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6 | | Copyright (c) 2003 IMD | |
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7 | | Ingenieurbuero fuer Microcomputertechnik Th. Doerfler | |
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8 | | <Thomas.Doerfler@imd-systems.de> | |
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9 | | all rights reserved | |
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10 | +-----------------------------------------------------------------+ |
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11 | | this file contains the table of functions for the BSP layer | |
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12 | | for IDE access below the libchip IDE harddisc driver | |
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13 | | | |
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14 | +-----------------------------------------------------------------+ |
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15 | | date history ID | |
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16 | | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
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17 | | 01.14.03 creation doe | |
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18 | \*===============================================================*/ |
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19 | |
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20 | #include <rtems.h> |
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21 | #include <bsp.h> |
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22 | #include <libchip/ide_ctrl.h> |
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23 | #include <libchip/ide_ctrl_cfg.h> |
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24 | #include <libchip/ide_ctrl_io.h> |
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25 | |
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26 | extern bool pc386_ide_show; |
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27 | |
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28 | /* |
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29 | * The following table configures the functions used for IDE drivers |
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30 | * in this BSP. |
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31 | */ |
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32 | |
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33 | /* |
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34 | * The following table configures the IDE drivers used in this BSP. |
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35 | */ |
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36 | extern ide_ctrl_fns_t pc386_ide_ctrl_fns; |
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37 | |
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38 | /* IDE controllers Table */ |
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39 | ide_controller_bsp_table_t IDE_Controller_Table[] = { |
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40 | {"/dev/ide0", |
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41 | IDE_STD, /* standard IDE controller */ |
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42 | &pc386_ide_ctrl_fns, |
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43 | NULL, /* probe for IDE standard registers */ |
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44 | FALSE, /* not (yet) initialized */ |
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45 | 0x1f0, /* base I/O address for first IDE controller */ |
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46 | FALSE,0, /* not (yet) interrupt driven */ |
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47 | NULL |
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48 | } |
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49 | , /* colon only needed when both interfaces present */ |
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50 | {"/dev/ide1", |
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51 | IDE_STD, /* standard IDE controller */ |
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52 | &pc386_ide_ctrl_fns, |
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53 | NULL, /* probe for IDE standard registers */ |
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54 | FALSE, /* not (yet) initialized */ |
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55 | 0x170, /* base I/O address for second IDE controller */ |
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56 | FALSE,0, /* not (yet) interrupt driven */ |
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57 | NULL |
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58 | } |
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59 | }; |
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60 | |
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61 | /* Number of rows in IDE_Controller_Table. Default is 0. */ |
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62 | unsigned long IDE_Controller_Count; |
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63 | |
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64 | #if IDE_USE_PRIMARY_INTERFACE |
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65 | #define IDE1_DEFAULT true |
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66 | #else |
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67 | #define IDE1_DEFAULT false |
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68 | #endif |
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69 | #if IDE_USE_SECONDARY_INTERFACE |
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70 | #define IDE2_DEFAULT true |
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71 | #else |
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72 | #define IDE2_DEFAULT false |
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73 | #endif |
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74 | |
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75 | void bsp_ide_cmdline_init(void) |
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76 | { |
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77 | bool ide1 = IDE1_DEFAULT; |
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78 | bool ide2 = IDE2_DEFAULT; |
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79 | const char* ide; |
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80 | |
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81 | /* |
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82 | * Can have: |
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83 | * --ide=0,1 |
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84 | */ |
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85 | ide = bsp_cmdline_arg ("--ide="); |
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86 | |
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87 | if (ide) |
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88 | { |
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89 | int i; |
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90 | /* |
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91 | * If a command line option exists remove the defaults. |
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92 | */ |
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93 | ide1 = ide2 = false; |
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94 | |
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95 | ide += sizeof ("--ide=") - 1; |
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96 | |
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97 | for (i = 0; i < 3; i++) |
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98 | { |
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99 | switch (ide[i]) |
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100 | { |
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101 | case '0': |
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102 | ide1 = true; |
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103 | break; |
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104 | case '1': |
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105 | ide2 = true; |
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106 | break; |
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107 | case '2': |
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108 | case '3': |
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109 | case '4': |
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110 | case '5': |
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111 | case '6': |
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112 | case '7': |
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113 | case '8': |
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114 | case '9': |
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115 | case ',': |
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116 | break; |
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117 | default: |
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118 | break; |
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119 | } |
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120 | } |
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121 | } |
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122 | |
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123 | if (ide2 && !ide1) |
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124 | IDE_Controller_Table[0] = IDE_Controller_Table[1]; |
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125 | |
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126 | if (ide1) |
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127 | IDE_Controller_Count++; |
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128 | if (ide2) |
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129 | IDE_Controller_Count++; |
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130 | |
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131 | /* |
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132 | * Allow the user to get the initialise to print probing |
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133 | * type information. |
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134 | */ |
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135 | ide = bsp_cmdline_arg ("--ide-show"); |
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136 | |
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137 | if (ide) |
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138 | pc386_ide_show = true; |
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139 | } |
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