1 | /* bsp.h |
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2 | * |
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3 | * This include file contains all board IO definitions. |
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4 | * |
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5 | * COPYRIGHT (c) 1998 by Radstone Technology |
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6 | * |
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7 | * |
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8 | * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY |
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9 | * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE |
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10 | * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK |
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11 | * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU. |
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12 | * |
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13 | * You are hereby granted permission to use, copy, modify, and distribute |
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14 | * this file, provided that this notice, plus the above copyright notice |
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15 | * and disclaimer, appears in all copies. Radstone Technology will provide |
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16 | * no support for this code. |
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17 | * |
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18 | * COPYRIGHT (c) 1989-1997. |
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19 | * On-Line Applications Research Corporation (OAR). |
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20 | * |
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21 | * The license and distribution terms for this file may in |
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22 | * the file LICENSE in this distribution or at |
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23 | * http:www.OARcorp.com/rtems/license.html. |
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24 | * |
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25 | * $Id$ |
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26 | */ |
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27 | |
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28 | #ifndef __BSP_h |
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29 | #define __BSP_h |
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30 | |
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31 | #include <bspopts.h> |
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32 | |
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33 | #ifdef __cplusplus |
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34 | extern "C" { |
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35 | #endif |
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36 | |
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37 | /* |
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38 | * confdefs.h overrides for this BSP: |
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39 | * - termios serial ports (defaults to 1) |
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40 | * - Interrupt stack space is not minimum if defined. |
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41 | */ |
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42 | |
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43 | #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2 |
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44 | #define CONFIGURE_INTERRUPT_STACK_MEMORY (32 * 1024) |
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45 | |
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46 | /* Define processor identification. */ |
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47 | |
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48 | #define MPC601 1 |
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49 | #define MPC603 3 |
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50 | #define MPC604 4 |
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51 | #define MPC603e 6 |
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52 | #define MPC603ev 7 |
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53 | #define MPC604e 9 |
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54 | |
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55 | #ifdef ASM |
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56 | /* Definition of where to store registers in alignment handler */ |
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57 | #define ALIGN_REGS 0x0140 |
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58 | |
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59 | /* BAT register definitions for the MPC603 and MPC604. */ |
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60 | /* Define bit fields for upper MPC603/4 BAT registers. */ |
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61 | |
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62 | #define BEPI_FIELD_60X 0xFFFE0000 |
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63 | #define VALID_SUPERVISOR 0x2 |
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64 | #define VALID_PROBLEM 0x1 |
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65 | #define KEY_USER_60X 0x1 |
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66 | #define BL_128K 0x0 |
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67 | #define BL_256K (0x1<2) |
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68 | #define BL_512K (0x3<2) |
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69 | #define BL_1M (0x7<2) |
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70 | #define BL_2M (0xF<2) |
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71 | #define BL_4M (0x1F<2) |
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72 | #define BL_8M (0x3F<2) |
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73 | #define BL_16M (0x7F<2) |
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74 | #define BL_32M (0xFF<2) |
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75 | #define BL_64M (0x1FF<2) |
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76 | #define BL_128M (0x3FF<2) |
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77 | #define BL_256M (0x7FF<2) |
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78 | |
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79 | |
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80 | /* Define bit fields for lower MPC603/4 BAT registers. */ |
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81 | |
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82 | #define BRPN_FIELD_60X 0xFFFE0000 |
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83 | |
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84 | /* Common defines for BAT registers. */ |
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85 | /* Depending on the processor, the following may be in the upper */ |
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86 | /* and lower BAT register. */ |
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87 | |
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88 | #define WRITE_THRU 0x40 |
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89 | #define WRITE_BK 0x0 |
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90 | #define COHERE_EN 0x10 |
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91 | #define COHERE_DIS 0x0 |
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92 | #define CACHE_DIS 0x20 |
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93 | #define CACHE_EN 0x0 |
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94 | #define GUARDED_EN 0x8 |
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95 | #define GUARDED_DIS 0x0 |
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96 | #define PP_00 0x0 |
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97 | #define PP_01 0x1 |
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98 | #define PP_10 0x2 |
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99 | #define PP_11 0x3 |
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100 | |
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101 | /* HID0 definitions for MPC603 and MPC604 */ |
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102 | #define HID0 0x3f0 /* HID0 Special Purpose Register # */ |
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103 | /* HID1 definitions for MPC603e and MPC604e */ |
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104 | #define HID1 0x3f1 /* HID1 Special Purpose Register # */ |
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105 | |
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106 | #define H0_603_ICFI 0x0800 /* HID0 I-Cache Flash Invalidate */ |
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107 | #define H0_603_DCI 0x0400 /* HID0 D-Cache Flash Invalidate */ |
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108 | |
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109 | #define H0_60X_ICE 0x8000 /* HID0 I-Cache Enable */ |
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110 | #define H0_60X_DCE 0x4000 /* HID0 D-Cache Enable */ |
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111 | |
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112 | #define H0_604_BHTE 0x0004 /* HID0 Branch History Table enable */ |
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113 | #define H0_604_SIED 0x0080 /* HID0 Serial Instruction Execution */ |
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114 | #define H0_604_ICIA 0x0800 /* HID0 I-Cache Invalidate All */ |
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115 | #define H0_604_DCIA 0x0400 /* HID0 D-Cache Invalidate All */ |
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116 | |
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117 | #define BAT0U 528 |
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118 | #define BAT0L 529 |
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119 | #define BAT1U 530 |
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120 | #define BAT1L 531 |
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121 | #define BAT2U 532 |
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122 | #define BAT2L 533 |
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123 | #define BAT3U 534 |
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124 | #define BAT3L 535 |
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125 | #define SPRG0 272 |
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126 | #define SPRG1 273 |
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127 | |
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128 | /* MSR bit settings */ |
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129 | #define MSR_LE 0x0001 |
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130 | #define MSR_RI 0x0002 |
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131 | #define MSR_DR 0x0010 |
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132 | #define MSR_IR 0x0020 |
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133 | #define MSR_IP 0x0040 |
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134 | #define MSR_FE1 0x0100 |
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135 | #define MSR_BE 0x0200 |
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136 | #define MSR_SE 0x0400 |
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137 | #define MSR_FE0 0x0800 |
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138 | #define MSR_ME 0x1000 |
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139 | #define MSR_FP 0x2000 |
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140 | #define MSR_PR 0x4000 |
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141 | #define MSR_EE 0x8000 |
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142 | #define MSR_ILE 0x0001 /* Upper 16 bits */ |
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143 | #define MSR_POW 0x0004 /* Upper 16 bits */ |
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144 | #else |
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145 | #include <rtems.h> |
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146 | #include <rtems/console.h> |
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147 | #include <rtems/clockdrv.h> |
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148 | #include <rtems/iosupp.h> |
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149 | #include <tod.h> |
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150 | #include <nvram.h> |
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151 | |
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152 | /* |
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153 | * PPCn_60x Interupt Definations. |
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154 | */ |
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155 | #define PPCN_60X_8259_IRQ_BASE ( PPC_IRQ_LAST + 1 ) |
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156 | |
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157 | /* |
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158 | * 8259 IRQ definations. |
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159 | */ |
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160 | #define PPCN_60X_IRQ_SYS_TIMER (PPCN_60X_8259_IRQ_BASE + 0) |
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161 | #define PPCN_60X_IRQ_KBD (PPCN_60X_8259_IRQ_BASE + 1) |
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162 | #define PPCN_60X_IRQ_COM2 (PPCN_60X_8259_IRQ_BASE + 3) |
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163 | #define PPCN_60X_IRQ_COM1 (PPCN_60X_8259_IRQ_BASE + 4) |
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164 | #define PPCN_60X_IRQ_CIO (PPCN_60X_8259_IRQ_BASE + 5) |
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165 | #define PPCN_60X_IRQ_FDC (PPCN_60X_8259_IRQ_BASE + 6) |
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166 | #define PPCN_60X_IRQ_LPT (PPCN_60X_8259_IRQ_BASE + 7) |
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167 | #define PPCN_60X_IRQ_RTC (PPCN_60X_8259_IRQ_BASE + 8) |
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168 | #define PPCN_60X_IRQ_COM3_4 (PPCN_60X_8259_IRQ_BASE + 10) |
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169 | #define PPCN_60X_IRQ_MSE (PPCN_60X_8259_IRQ_BASE + 12) |
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170 | #define PPCN_60X_IRQ_SCSI (PPCN_60X_8259_IRQ_BASE + 13) |
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171 | |
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172 | /* |
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173 | * PCI interrupts as read from line register map directly to |
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174 | * ISA interrupt lines 9, 11, 14 and 15. |
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175 | */ |
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176 | #define PPCN_60X_IRQ_PCI(n) (PPCN_60X_8259_IRQ_BASE + (n)) |
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177 | |
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178 | #define MAX_BOARD_IRQS (PPCN_60X_8259_IRQ_BASE + 15) |
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179 | |
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180 | #define ISA8259_M_CTRL 0x20 |
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181 | #define ISA8259_S_CTRL 0xa0 |
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182 | #define ISA8259_M_MASK 0x21 |
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183 | #define ISA8259_S_MASK 0xa1 |
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184 | #define ISA8259_M_ELCR 0x4d0 |
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185 | #define ISA8259_S_ELCR 0x4d1 |
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186 | |
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187 | #define ELCRS_INT15_LVL 0x80 |
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188 | #define ELCRS_INT14_LVL 0x40 |
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189 | #define ELCRS_INT12_LVL 0x10 |
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190 | #define ELCRS_INT11_LVL 0x08 |
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191 | #define ELCRS_INT10_LVL 0x04 |
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192 | #define ELCRS_INT9_LVL 0x02 |
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193 | #define ELCRS_INT8_LVL 0x01 |
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194 | #define ELCRM_INT7_LVL 0x80 |
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195 | #define ELCRM_INT5_LVL 0x20 |
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196 | |
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197 | |
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198 | #define NONSPECIFIC_EOI 0x20 |
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199 | |
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200 | extern void En_Ext_Interrupt(int level); |
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201 | extern void Dis_Ext_Interrupt(int level); |
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202 | |
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203 | #define IRQ_VECTOR_BASE 0xbffffff0 |
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204 | |
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205 | /* |
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206 | * i8042 addresses |
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207 | */ |
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208 | #define I8042_DATA 0x60 |
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209 | #define I8042_CS 0x64 |
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210 | |
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211 | /* |
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212 | * ns16550 addresses |
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213 | */ |
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214 | #define NS16550_PORT_A 0x3f8 |
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215 | #define NS16550_PORT_B 0x2f8 |
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216 | |
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217 | /* |
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218 | * z85c30 addresses |
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219 | */ |
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220 | #define Z85C30_CTRL_B 0x840 |
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221 | #define Z85C30_DATA_B 0x841 |
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222 | #define Z85C30_CTRL_A 0x842 |
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223 | #define Z85C30_DATA_A 0x843 |
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224 | |
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225 | /* |
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226 | * Z85C30 Definations for the 422 interface. |
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227 | */ |
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228 | #define Z85C30_CLOCK 14745600 |
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229 | |
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230 | #define PCI_SYS_MEM_BASE 0x80000000 |
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231 | #define PCI_MEM_BASE 0xc0000000 |
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232 | #define PCI_IO_BASE 0x80000000 |
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233 | |
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234 | #define EIEIO asm volatile("eieio") |
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235 | |
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236 | /* |
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237 | * As ports are all little endian we will perform swaps here on 16 and 32 |
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238 | * bit transfers |
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239 | */ |
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240 | extern uint16_t Swap16(uint16_t usVal); |
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241 | extern uint32_t Swap32(uint32_t ulVal); |
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242 | |
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243 | #define outport_byte(port, val) \ |
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244 | EIEIO; \ |
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245 | *(volatile uint8_t*)(PCI_IO_BASE+ \ |
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246 | (unsigned long)(port))=(val) |
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247 | |
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248 | #define outport_16(port, val) \ |
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249 | EIEIO; \ |
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250 | *(volatile uint16_t*)(PCI_IO_BASE+ \ |
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251 | (unsigned long)(port))=Swap16(val) |
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252 | |
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253 | #define outport_32(port, val) \ |
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254 | EIEIO; \ |
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255 | *(volatile uint32_t*)(PCI_IO_BASE+ \ |
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256 | (unsigned long)(port))=Swap32(val) |
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257 | |
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258 | #define inport_byte(port, val) \ |
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259 | EIEIO; \ |
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260 | (val)=*(volatile uint8_t*)(PCI_IO_BASE+ \ |
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261 | (unsigned long)(port)) |
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262 | |
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263 | #define inport_16(port, val) \ |
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264 | EIEIO; \ |
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265 | (val)=Swap16(*(volatile uint16_t*)(PCI_IO_BASE+ \ |
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266 | (unsigned long)(port))) |
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267 | |
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268 | #define inport_32(port, val) \ |
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269 | EIEIO; \ |
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270 | (val)=Swap32(*(volatile uint32_t*)(PCI_IO_BASE+ \ |
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271 | (unsigned long)(port))) |
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272 | |
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273 | /* |
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274 | * System Planar Board Registers |
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275 | */ |
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276 | typedef volatile struct _PLANARREGISTERS{ |
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277 | uint8_t Reserved0[0x803]; /* Offset 0x000 */ |
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278 | uint8_t SimmId; /* Offset 0x803 */ |
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279 | uint8_t SimmPresent; /* Offset 0x804 */ |
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280 | uint8_t Reserved1[3]; |
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281 | uint8_t HardfileLight; /* Offset 0x808 */ |
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282 | uint8_t Reserved2[3]; |
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283 | uint8_t EquipmentPresent1; /* Offset 0x80C */ |
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284 | uint8_t Reserved3; |
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285 | uint8_t EquipmentPresent2; /* Offset 0x80e */ |
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286 | uint8_t Reserved4; |
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287 | uint8_t PasswordProtect1; /* Offset 0x810 */ |
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288 | uint8_t Reserved5; |
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289 | uint8_t PasswordProtect2; /* Offset 0x812 */ |
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290 | uint8_t Reserved6; |
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291 | uint8_t L2Flush; /* Offset 0x814 */ |
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292 | uint8_t Reserved7[3]; |
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293 | uint8_t Keylock; /* Offset 0x818 */ |
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294 | uint8_t Reserved8[0x3c]; |
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295 | uint8_t BoardRevision; /* Offset 0x854 */ |
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296 | uint8_t Reserved9[0xf]; |
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297 | uint8_t BoardID; /* Offset 0x864 */ |
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298 | uint8_t Reserved10; |
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299 | uint8_t MotherboardMemoryType; /* Offset 0x866 */ |
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300 | uint8_t Reserved11; |
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301 | uint8_t MezzanineMemoryType; /* Offset 0x868 */ |
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302 | } PLANARREGISTERS, *PPLANARREGISTERS; |
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303 | |
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304 | extern unsigned char ucSystemType; |
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305 | extern unsigned char ucBoardRevMaj; |
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306 | extern unsigned char ucBoardRevMin; |
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307 | extern unsigned long ulMemorySize; |
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308 | extern unsigned long ulCpuBusClock; |
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309 | |
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310 | #define SYS_TYPE_PPC1 0 |
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311 | #define SYS_TYPE_PPC2 1 |
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312 | #define SYS_TYPE_PPC1a 2 |
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313 | #define SYS_TYPE_PPC2a 3 |
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314 | #define SYS_TYPE_PPC4 4 |
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315 | |
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316 | /* |
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317 | * PCI initialisation |
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318 | */ |
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319 | void InitializePCI(void); |
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320 | |
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321 | /* |
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322 | * VME initiaisation |
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323 | */ |
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324 | void InitializeUniverse(); |
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325 | |
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326 | /* |
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327 | * RTC initialisation |
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328 | */ |
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329 | void InitializeRTC(void); |
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330 | |
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331 | /* |
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332 | * NvRAM initialisation |
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333 | */ |
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334 | void InitializeNvRAM(void); |
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335 | |
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336 | /* |
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337 | * BSP_TIMER_AVG_OVERHEAD and BSP_TIMER_LEAST_VALID for the shared timer |
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338 | * driver. |
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339 | */ |
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340 | |
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341 | #define BSP_TIMER_AVG_OVERHEAD 4 /* It typically takes xx clicks */ |
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342 | /* to start/stop the timer. */ |
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343 | #define BSP_TIMER_LEAST_VALID 1 /* Don't trust a value lower than this */ |
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344 | |
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345 | /* |
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346 | * Convert decrement value to tenths of microsecnds (used by |
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347 | * shared timer driver). |
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348 | * |
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349 | * + There are 4 bus cycles per click |
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350 | * + We return value in 1/10 microsecond units. |
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351 | * Modified following equation to integer equation to remove |
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352 | * floating point math. |
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353 | * (int) ((float)(_value) / ((66.67 * 0.1) / 4.0)) |
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354 | */ |
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355 | |
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356 | #define BSP_Convert_decrementer( _value ) \ |
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357 | (int) (((_value) * 4000) / (ulCpuBusClock/10000)) |
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358 | |
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359 | /* |
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360 | * Define the time limits for RTEMS Test Suite test durations. |
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361 | * Long test and short test duration limits are provided. These |
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362 | * values are in seconds and need to be converted to ticks for the |
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363 | * application. |
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364 | * |
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365 | */ |
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366 | |
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367 | #define MAX_LONG_TEST_DURATION 300 /* 5 minutes = 300 seconds */ |
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368 | #define MAX_SHORT_TEST_DURATION 3 /* 3 seconds */ |
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369 | |
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370 | /* |
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371 | * Stuff for Time Test 27 |
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372 | */ |
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373 | |
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374 | #define MUST_WAIT_FOR_INTERRUPT 1 |
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375 | |
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376 | #define Install_tm27_vector( _handler ) \ |
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377 | set_vector( (_handler), PPC_IRQ_DECREMENTER, 1 ) |
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378 | |
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379 | #define Cause_tm27_intr() \ |
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380 | do { \ |
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381 | uint32_t _clicks = 8; \ |
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382 | asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \ |
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383 | } while (0) |
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384 | |
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385 | |
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386 | #define Clear_tm27_intr() \ |
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387 | do { \ |
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388 | uint32_t _clicks = 0xffffffff; \ |
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389 | asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \ |
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390 | } while (0) |
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391 | |
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392 | #define Lower_tm27_intr() \ |
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393 | do { \ |
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394 | uint32_t _msr = 0; \ |
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395 | _ISR_Set_level( 0 ); \ |
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396 | asm volatile( "mfmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \ |
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397 | _msr |= 0x8002; \ |
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398 | asm volatile( "mtmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \ |
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399 | } while (0) |
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400 | |
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401 | |
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402 | /* Constants */ |
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403 | |
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404 | /* |
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405 | * Device Driver Table Entries |
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406 | */ |
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407 | |
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408 | /* |
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409 | * NOTE: Use the standard Console driver entry |
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410 | */ |
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411 | |
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412 | /* |
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413 | * NOTE: Use the standard Clock driver entry |
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414 | */ |
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415 | |
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416 | /* |
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417 | * How many libio files we want |
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418 | */ |
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419 | |
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420 | #define BSP_LIBIO_MAX_FDS 20 |
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421 | |
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422 | /* functions */ |
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423 | |
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424 | void bsp_start( void ); |
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425 | |
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426 | void bsp_cleanup( void ); |
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427 | |
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428 | rtems_isr_entry set_vector( /* returns old vector */ |
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429 | rtems_isr_entry handler, /* isr routine */ |
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430 | rtems_vector_number vector, /* vector number */ |
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431 | int type /* RTEMS or RAW intr */ |
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432 | ); |
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433 | |
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434 | /* |
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435 | * spurious.c |
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436 | */ |
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437 | rtems_isr bsp_stub_handler( |
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438 | rtems_vector_number trap |
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439 | ); |
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440 | rtems_isr bsp_spurious_handler( |
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441 | rtems_vector_number trap |
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442 | ); |
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443 | void bsp_spurious_initialize(); |
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444 | |
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445 | /* |
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446 | * genvec.c |
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447 | */ |
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448 | void set_EE_vector( |
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449 | rtems_isr_entry handler, /* isr routine */ |
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450 | rtems_vector_number vector /* vector number */ |
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451 | ); |
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452 | void initialize_external_exception_vector(); |
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453 | |
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454 | /* |
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455 | * console.c |
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456 | */ |
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457 | void DEBUG_puts( char *string ); |
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458 | void DEBUG_puth( uint32_t ulHexNum ); |
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459 | |
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460 | void BSP_fatal_return( void ); |
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461 | |
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462 | extern rtems_configuration_table BSP_Configuration; /* owned by BSP */ |
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463 | |
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464 | extern rtems_cpu_table Cpu_table; /* owned by BSP */ |
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465 | |
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466 | extern uint32_t bsp_isr_level; |
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467 | |
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468 | #endif /* ASM */ |
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469 | |
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470 | #ifdef __cplusplus |
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471 | } |
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472 | #endif |
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473 | |
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474 | #endif |
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475 | /* end of include file */ |
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