1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup i386_pc386 |
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5 | * |
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6 | * @brief Global BSP definitions. |
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7 | */ |
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8 | |
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9 | /*-------------------------------------------------------------------------+ |
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10 | | bsp.h v1.1 - PC386 BSP - 1997/08/07 |
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11 | +--------------------------------------------------------------------------+ |
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12 | | This include file contains definitions related to the PC386 BSP. |
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13 | +--------------------------------------------------------------------------+ |
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14 | | (C) Copyright 1997 - |
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15 | | - NavIST Group - Real-Time Distributed Systems and Industrial Automation |
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16 | | |
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17 | | http://pandora.ist.utl.pt |
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18 | | |
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19 | | Instituto Superior Tecnico * Lisboa * PORTUGAL |
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20 | +--------------------------------------------------------------------------+ |
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21 | | Modified by Eric Valette the 20/05/98 in order to add definitions used |
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22 | | to enhance video putchar capabilities. |
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23 | | |
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24 | | Copyright (C) 1998 valette@crf.canon.fr |
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25 | | |
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26 | | Canon Centre Recherche France. |
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27 | | |
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28 | +--------------------------------------------------------------------------+ |
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29 | | Disclaimer: |
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30 | | |
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31 | | This file is provided "AS IS" without warranty of any kind, either |
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32 | | expressed or implied. |
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33 | +--------------------------------------------------------------------------+ |
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34 | | This code is based on: |
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35 | | bsp.h,v 1.5 1995/12/19 20:07:30 joel Exp - go32 BSP |
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36 | | With the following copyright notice: |
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37 | | ************************************************************************** |
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38 | | * COPYRIGHT (c) 1989-1999. |
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39 | | * On-Line Applications Research Corporation (OAR). |
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40 | | * |
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41 | | * The license and distribution terms for this file may be |
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42 | | * found in the file LICENSE in this distribution or at |
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43 | | * http://www.rtems.org/license/LICENSE. |
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44 | | ************************************************************************** |
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45 | +--------------------------------------------------------------------------*/ |
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46 | |
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47 | #ifndef _BSP_H |
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48 | #define _BSP_H |
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49 | |
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50 | #ifdef __cplusplus |
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51 | extern "C" { |
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52 | #endif |
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53 | |
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54 | #include <bspopts.h> |
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55 | #include <bsp/default-initial-extension.h> |
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56 | |
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57 | #include <rtems.h> |
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58 | #include <rtems/iosupp.h> |
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59 | #include <rtems/console.h> |
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60 | #include <rtems/clockdrv.h> |
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61 | #include <libcpu/cpu.h> |
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62 | #include <rtems/bspIo.h> |
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63 | |
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64 | /** |
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65 | * @degroup pc386_i386 PC386 Support |
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66 | * |
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67 | * @ingroup bsp_i386 |
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68 | * |
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69 | * @brief PC386 support. |
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70 | */ |
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71 | |
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72 | #define BSP_HAS_FRAME_BUFFER 1 |
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73 | |
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74 | /* |
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75 | * Network driver configuration |
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76 | */ |
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77 | struct rtems_bsdnet_ifconfig; |
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78 | |
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79 | /* app. may provide a routine (called _very_ early) to tell us |
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80 | * which ports to use for printk / console. BSP provides a default |
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81 | * implementation (weak alias) which does nothing (use BSP default |
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82 | * ports). |
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83 | */ |
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84 | extern void |
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85 | BSP_runtime_console_select(int *pPrintkPort, int *pConsolePort); |
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86 | |
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87 | extern int rtems_ne_driver_attach(struct rtems_bsdnet_ifconfig *, int); |
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88 | #define BSP_NE2000_NETWORK_DRIVER_NAME "ne1" |
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89 | #define BSP_NE2000_NETWORK_DRIVER_ATTACH rtems_ne_driver_attach |
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90 | |
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91 | extern int rtems_wd_driver_attach(struct rtems_bsdnet_ifconfig *, int); |
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92 | #define BSP_WD8003_NETWORK_DRIVER_NAME "wd1" |
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93 | #define BSP_WD8003_NETWORK_DRIVER_ATTACH rtems_wd_driver_attach |
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94 | |
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95 | extern int rtems_dec21140_driver_attach(struct rtems_bsdnet_ifconfig *, int); |
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96 | #define BSP_DEC21140_NETWORK_DRIVER_NAME "dc1" |
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97 | #define BSP_DEC21140_NETWORK_DRIVER_ATTACH rtems_dec21140_driver_attach |
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98 | |
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99 | extern int rtems_3c509_driver_attach(struct rtems_bsdnet_ifconfig *config); |
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100 | #define BSP_3C509_NETWORK_DRIVER_NAME "3c1" |
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101 | #define BSP_3C509_NETWORK_DRIVER_ATTACH rtems_3c509_driver_attach |
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102 | |
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103 | #ifndef RTEMS_BSP_NETWORK_DRIVER_NAME |
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104 | #define RTEMS_BSP_NETWORK_DRIVER_NAME BSP_DEC21140_NETWORK_DRIVER_NAME |
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105 | #endif |
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106 | |
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107 | #ifndef RTEMS_BSP_NETWORK_DRIVER_ATTACH |
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108 | #define RTEMS_BSP_NETWORK_DRIVER_ATTACH BSP_DEC21140_NETWORK_DRIVER_ATTACH |
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109 | #endif |
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110 | |
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111 | /*-------------------------------------------------------------------------+ |
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112 | | Constants |
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113 | +--------------------------------------------------------------------------*/ |
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114 | |
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115 | /*-------------------------------------------------------------------------+ |
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116 | | Constants relating to the 8254 (or 8253) programmable interval timers. |
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117 | +--------------------------------------------------------------------------*/ |
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118 | #define IO_TIMER1 0x40 |
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119 | /* Port address of the control port and timer channels */ |
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120 | #define TIMER_CNTR0 (IO_TIMER1 + 0) /* timer 0 counter port */ |
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121 | #define TIMER_CNTR1 (IO_TIMER1 + 1) /* timer 1 counter port */ |
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122 | #define TIMER_CNTR2 (IO_TIMER1 + 2) /* timer 2 counter port */ |
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123 | #define TIMER_MODE (IO_TIMER1 + 3) /* timer mode port */ |
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124 | #define TIMER_SEL0 0x00 /* select counter 0 */ |
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125 | #define TIMER_SEL1 0x40 /* select counter 1 */ |
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126 | #define TIMER_SEL2 0x80 /* select counter 2 */ |
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127 | #define TIMER_INTTC 0x00 /* mode 0, intr on terminal cnt */ |
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128 | #define TIMER_ONESHOT 0x02 /* mode 1, one shot */ |
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129 | #define TIMER_RATEGEN 0x04 /* mode 2, rate generator */ |
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130 | #define TIMER_SQWAVE 0x06 /* mode 3, square wave */ |
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131 | #define TIMER_SWSTROBE 0x08 /* mode 4, s/w triggered strobe */ |
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132 | #define TIMER_HWSTROBE 0x0a /* mode 5, h/w triggered strobe */ |
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133 | #define TIMER_LATCH 0x00 /* latch counter for reading */ |
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134 | #define TIMER_LSB 0x10 /* r/w counter LSB */ |
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135 | #define TIMER_MSB 0x20 /* r/w counter MSB */ |
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136 | #define TIMER_16BIT 0x30 /* r/w counter 16 bits, LSB first */ |
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137 | #define TIMER_BCD 0x01 /* count in BCD */ |
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138 | #define TIMER_RD_BACK 0xc0 /* Read Back Command */ |
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139 | /* READ BACK command layout in the Command Register */ |
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140 | #define RB_NOT_COUNT 0x40 /* Don't select counter latch */ |
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141 | #define RB_NOT_STATUS 0x20 /* Don't select status latch */ |
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142 | #define RB_COUNT_0 0x02 /* Counter 0 latch */ |
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143 | #define RB_COUNT_1 0x04 /* Counter 1 latch */ |
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144 | #define RB_COUNT_2 0x08 /* Counter 2 latch */ |
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145 | #define RB_OUTPUT 0x80 /* Output of the counter is 1 */ |
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146 | |
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147 | #define TIMER_TICK 1193182 /* The internal tick rate in ticks per second */ |
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148 | |
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149 | /*-------------------------------------------------------------------------+ |
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150 | | Console Defines |
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151 | | WARNING: These Values MUST match the order in |
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152 | | Console_Configuration_Ports |
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153 | +--------------------------------------------------------------------------*/ |
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154 | #define BSP_CONSOLE_VGA 0 |
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155 | #define BSP_CONSOLE_COM1 1 |
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156 | #define BSP_CONSOLE_COM2 2 |
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157 | |
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158 | /*-------------------------------------------------------------------------+ |
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159 | | Convert microseconds to ticks and ticks to microseconds. |
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160 | +--------------------------------------------------------------------------*/ |
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161 | #define US_TO_TICK(us) (((us)*105+44)/88) |
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162 | #define TICK_TO_US(tk) (((tk)*88+52)/105) |
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163 | |
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164 | /*-------------------------------------------------------------------------+ |
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165 | | External Variables. |
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166 | +--------------------------------------------------------------------------*/ |
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167 | #define IDT_SIZE 256 |
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168 | #define GDT_SIZE 3 |
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169 | |
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170 | extern interrupt_gate_descriptor Interrupt_descriptor_table[IDT_SIZE]; |
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171 | extern segment_descriptors Global_descriptor_table [GDT_SIZE]; |
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172 | |
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173 | /*-------------------------------------------------------------------------+ |
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174 | | Function Prototypes. |
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175 | +--------------------------------------------------------------------------*/ |
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176 | void _IBMPC_initVideo(void); /* from 'outch.c' */ |
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177 | void _IBMPC_outch (char); /* from 'outch.c' */ |
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178 | char _IBMPC_inch (void); /* from 'inch.c' */ |
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179 | char _IBMPC_inch_sleep (void); /* from 'inch.c' */ |
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180 | |
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181 | void Wait_X_ms(unsigned int timeToWait); /* from 'timer.c' */ |
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182 | |
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183 | void Clock_driver_install_handler(void); /* from 'ckinit.c' */ |
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184 | void Clock_driver_support_initialize_hardware(void); /* from 'ckinit.c' */ |
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185 | size_t read_aux(char * buffer, size_t count); /* from 'ps2_mouse.c' */ |
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186 | |
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187 | /* Definitions for BSPConsolePort */ |
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188 | #define BSP_CONSOLE_PORT_CONSOLE (-1) |
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189 | #define BSP_CONSOLE_PORT_COM1 (BSP_UART_COM1) |
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190 | #define BSP_CONSOLE_PORT_COM2 (BSP_UART_COM2) |
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191 | |
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192 | /* |
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193 | * Command line. |
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194 | */ |
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195 | const char* bsp_cmdline(void); |
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196 | const char* bsp_cmdline_arg(const char* arg); |
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197 | |
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198 | /* |
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199 | * IDE command line parsing. |
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200 | */ |
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201 | void bsp_ide_cmdline_init(void); |
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202 | |
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203 | /* |
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204 | * indicate, that BSP has IDE driver |
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205 | */ |
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206 | #define RTEMS_BSP_HAS_IDE_DRIVER |
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207 | |
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208 | /* GDB stub stuff */ |
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209 | void i386_stub_glue_init(int uart); |
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210 | void i386_stub_glue_init_breakin(void); |
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211 | void set_debug_traps(void); |
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212 | void breakpoint(void); |
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213 | |
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214 | #define BSP_MAXIMUM_DEVICES 6 |
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215 | |
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216 | #ifdef __cplusplus |
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217 | } |
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218 | #endif |
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219 | |
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220 | #endif /* _BSP_H */ |
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