1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup RTEMSBSPsPowerPCBeatnik |
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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 -- contain BSP API definition. |
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11 | */ |
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12 | |
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13 | /* |
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14 | * Copyright (C) 1999 Eric Valette. valette@crf.canon.fr |
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15 | * |
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16 | * The license and distribution terms for this file may be |
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17 | * found in the file LICENSE in this distribution or at |
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18 | * http://www.rtems.org/license/LICENSE. |
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19 | * |
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20 | * S. Kate Feng 2003-2007 : Modified it to support the mvme5500 BSP. |
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21 | * |
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22 | * Modified for the 'beatnik' BSP by T. Straumann, 2005-2007. |
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23 | */ |
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24 | |
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25 | #ifndef LIBBSP_BEATNIK_BSP_H |
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26 | #define LIBBSP_BEATNIK_BSP_H |
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27 | |
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28 | /** |
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29 | * @defgroup RTEMSBSPsPowerPCBeatnik Beatnik (MVME5500 and MVME6100) |
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30 | * |
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31 | * @ingroup RTEMSBSPsPowerPC |
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32 | * |
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33 | * @brief Beatnik (MVME5500 and MVME6100) Board Support Package. |
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34 | * |
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35 | * @{ |
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36 | */ |
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37 | |
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38 | #ifndef ASM |
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39 | |
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40 | #include <bspopts.h> |
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41 | #include <bsp/default-initial-extension.h> |
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42 | |
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43 | #include <rtems.h> |
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44 | #include <libcpu/io.h> |
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45 | #include <bsp/vectors.h> |
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46 | |
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47 | #ifdef __cplusplus |
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48 | extern "C" { |
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49 | #endif |
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50 | |
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51 | /* Board type */ |
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52 | typedef enum { |
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53 | Unknown = 0, |
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54 | MVME5500, |
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55 | MVME6100 |
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56 | } BSP_BoardType; |
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57 | |
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58 | BSP_BoardType BSP_getBoardType(void); |
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59 | |
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60 | /* Discovery Version */ |
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61 | |
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62 | typedef enum { |
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63 | unknown = 0, |
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64 | GT_64260_A, /* Revision 0x10 */ |
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65 | GT_64260_B, /* Revision 0x20 */ |
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66 | MV_64360, |
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67 | } DiscoveryVersion; |
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68 | |
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69 | /* Determine the type of discovery chip on this board; info |
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70 | * is cached and repeated calls just return the cached value. |
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71 | * |
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72 | * If a non-zero argument is passed, the routine panics |
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73 | * (rtems_panic) if no recognized bridge is found; |
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74 | */ |
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75 | DiscoveryVersion BSP_getDiscoveryVersion(int assertion); |
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76 | |
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77 | /* |
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78 | * confdefs.h overrides for this BSP: |
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79 | * - Interrupt stack space is not minimum if defined. |
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80 | */ |
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81 | #define BSP_INTERRUPT_STACK_SIZE (16 * 1024) |
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82 | |
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83 | /* |
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84 | * base address definitions for several devices |
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85 | */ |
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86 | #define BSP_MV64x60_BASE (0xf1000000) |
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87 | #define BSP_MV64x60_DEV1_BASE (0xf1100000) |
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88 | #define BSP_UART_IOBASE_COM1 ((BSP_MV64x60_DEV1_BASE)+0x20000) |
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89 | #define BSP_UART_IOBASE_COM2 ((BSP_MV64x60_DEV1_BASE)+0x21000) |
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90 | #define BSP_UART_USE_SHARED_IRQS |
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91 | |
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92 | #define BSP_NVRAM_BASE_ADDR (0xf1110000) |
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93 | #define BSP_NVRAM_END_ADDR (0xf1117fff) |
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94 | #define BSP_NVRAM_RTC_START (0xf1117ff8) |
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95 | |
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96 | #define BSP_NVRAM_BOOTPARMS_START (0xf1111000) |
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97 | #define BSP_NVRAM_BOOTPARMS_END (0xf1111fff) |
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98 | |
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99 | |
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100 | /* This is only active/used during early init. It defines |
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101 | * the hose0 base for the shared/generic pci code. |
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102 | * Our own BSP specific pci initialization will then |
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103 | * override the PCI configuration (see gt_pci_init.c:BSP_pci_initialize) |
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104 | */ |
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105 | |
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106 | #define PCI_CONFIG_ADDR (BSP_MV64x60_BASE + 0xcf8) |
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107 | #define PCI_CONFIG_DATA (BSP_MV64x60_BASE + 0xcfc) |
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108 | |
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109 | /* our wonderful PCI initialization remaps everything to CPU addresses |
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110 | * - before calling BSP_pci_initialize() this is NOT VALID, however |
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111 | * and the deprecated inl()/outl() etc won't work! |
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112 | */ |
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113 | #define _IO_BASE 0x00000000 |
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114 | /* wonderful MotLoad has the base address as seen from the |
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115 | * CPU programmed into config space :-) |
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116 | */ |
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117 | #define PCI_MEM_BASE 0 |
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118 | #define PCI_MEM_BASE_ADJUSTMENT 0 |
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119 | #define PCI_DRAM_OFFSET 0 |
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120 | |
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121 | extern void BSP_motload_pci_fixup(void); |
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122 | |
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123 | /* PCI <-> local address mapping - no sophisticated windows |
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124 | * (i.e., no support for cached regions etc. you read a BAR |
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125 | * from config space and that's 1:1 where the CPU sees it). |
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126 | * Our memory is mapped 1:1 to PCI also. |
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127 | */ |
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128 | #define BSP_PCI2LOCAL_ADDR(a) ((uint32_t)(a)) |
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129 | #define BSP_LOCAL2PCI_ADDR(a) ((uint32_t)(a)) |
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130 | |
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131 | #define BSP_CONFIG_NUM_PCI_CACHE_SLOTS 32 |
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132 | |
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133 | #define BSP_CONSOLE_PORT BSP_UART_COM1 |
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134 | #define BSP_UART_BAUD_BASE 115200 |
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135 | |
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136 | /* I2C Devices */ |
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137 | /* Note that the i2c addresses stated in the manual are |
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138 | * left-shifted by one bit. |
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139 | */ |
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140 | #define BSP_VPD_I2C_ADDR (0xA8>>1) /* the VPD EEPROM */ |
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141 | #define BSP_USR_I2C_ADDR (0xAA>>1) /* the user EEPROM */ |
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142 | #define BSP_THM_I2C_ADDR (0x90>>1) /* the DS1621 temperature sensor & thermostat */ |
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143 | |
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144 | #define BSP_I2C_BUS_DESCRIPTOR gt64260_i2c_bus_descriptor |
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145 | |
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146 | #define BSP_I2C_BUS0_NAME "/dev/i2c0" |
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147 | |
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148 | #define BSP_I2C_VPD_EEPROM_NAME "vpd-eeprom" |
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149 | #define BSP_I2C_USR_EEPROM_NAME "usr-eeprom" |
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150 | #define BSP_I2C_DS1621_NAME "ds1621" |
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151 | #define BSP_I2C_THM_NAME BSP_I2C_DS1621_NAME |
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152 | #define BSP_I2C_DS1621_RAW_NAME "ds1621-raw" |
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153 | |
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154 | #define BSP_I2C_VPD_EEPROM_DEV_NAME (BSP_I2C_BUS0_NAME ", " BSP_I2C_VPD_EEPROM_NAME) |
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155 | #define BSP_I2C_USR_EEPROM_DEV_NAME (BSP_I2C_BUS0_NAME ", " BSP_I2C_USR_EEPROM_NAME) |
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156 | #define BSP_I2C_DS1621_DEV_NAME (BSP_I2C_BUS0_NAME ", " BSP_I2C_DS1621_NAME) |
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157 | #define BSP_I2C_THM_DEV_NAME BSP_I2C_DS1621_DEV_NAME |
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158 | #define BSP_I2C_DS1621_RAW_DEV_NAME (BSP_I2C_BUS0_NAME ", " BSP_I2C_DS1621_RAW_NAME) |
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159 | |
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160 | |
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161 | /* Initialize the I2C driver and register all devices |
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162 | * RETURNS 0 on success, -1 on error. |
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163 | * |
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164 | * Access to the VPD and user EEPROMS as well |
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165 | * as the ds1621 temperature sensor is possible |
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166 | * by means of file nodes |
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167 | * |
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168 | * /dev/i2c0.vpd-eeprom (read-only) |
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169 | * /dev/i2c0.usr-eeprom (read-write) |
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170 | * /dev/i2c0.ds1621 (read-only; one byte: board-temp in degC) |
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171 | * /dev/i2c0.ds1621-raw (read-write; transfer bytes to/from the ds1621) |
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172 | */ |
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173 | int BSP_i2c_initialize(void); |
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174 | |
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175 | /* Networking; */ |
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176 | #if defined(RTEMS_NETWORKING) |
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177 | #include <bsp/bsp_bsdnet_attach.h> |
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178 | int rtems_em_attach(struct rtems_bsdnet_ifconfig *, int); |
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179 | int rtems_dec21140_driver_attach(struct rtems_bsdnet_ifconfig *, int); |
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180 | int rtems_dc_driver_attach(struct rtems_bsdnet_ifconfig *, int); |
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181 | #endif |
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182 | |
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183 | /* NOT FOR PUBLIC USE BELOW HERE */ |
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184 | #define BSP_PCI_HOSE0_MEM_BASE 0x80000000 /* must be aligned to size */ |
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185 | #define BSP_PCI_HOSE0_MEM_SIZE 0x20000000 |
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186 | |
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187 | #define BSP_PCI_HOSE1_MEM_BASE 0xe0000000 |
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188 | |
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189 | #define BSP_DEV_AND_PCI_IO_BASE 0xf0000000 |
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190 | #define BSP_DEV_AND_PCI_IO_SIZE 0x10000000 |
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191 | |
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192 | /* maintain coherency between CPU and GT64340 Ethernet |
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193 | * (andpossibly other Discovery components). |
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194 | */ |
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195 | #define BSP_RW_PAGE_ATTRIBUTES TRIV121_ATTR_M |
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196 | |
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197 | extern unsigned BSP_pci_hose1_bus_base; |
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198 | |
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199 | void BSP_pci_initialize(void); |
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200 | |
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201 | /* Exception Handling */ |
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202 | |
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203 | /* Use a task notepad to attach user exception handler info; |
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204 | * may be changed by application startup code (EPICS uses 11) |
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205 | */ |
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206 | #define BSP_EXCEPTION_NOTEPAD 14 |
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207 | |
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208 | #ifndef ASM |
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209 | |
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210 | #define outport_byte(port,value) outb(value,port) |
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211 | #define outport_word(port,value) outw(value,port) |
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212 | #define outport_long(port,value) outl(value,port) |
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213 | |
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214 | #define inport_byte(port,value) (value = inb(port)) |
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215 | #define inport_word(port,value) (value = inw(port)) |
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216 | #define inport_long(port,value) (value = inl(port)) |
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217 | /* |
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218 | * Vital Board data Start using DATA RESIDUAL |
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219 | */ |
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220 | /* |
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221 | * Total memory using RESIDUAL DATA |
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222 | */ |
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223 | extern unsigned int BSP_mem_size; |
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224 | /* |
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225 | * Start of the heap |
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226 | */ |
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227 | extern unsigned int BSP_heap_start; |
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228 | /* |
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229 | * PCI Bus Frequency |
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230 | */ |
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231 | extern unsigned int BSP_bus_frequency; |
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232 | /* |
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233 | * processor clock frequency |
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234 | */ |
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235 | extern unsigned int BSP_processor_frequency; |
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236 | /* |
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237 | * Time base divisior (how many tick for 1 second). |
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238 | */ |
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239 | extern unsigned int BSP_time_base_divisor; |
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240 | |
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241 | extern char BSP_productIdent[20]; |
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242 | extern char BSP_serialNumber[20]; |
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243 | |
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244 | extern char BSP_enetAddr0[7]; |
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245 | extern char BSP_enetAddr1[7]; |
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246 | |
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247 | /* |
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248 | * The commandline as passed from the bootloader. |
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249 | */ |
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250 | extern char *BSP_commandline_string; |
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251 | |
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252 | |
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253 | #define BSP_Convert_decrementer( _value ) \ |
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254 | ((unsigned long long) ((((unsigned long long)BSP_time_base_divisor) * 1000000ULL) /((unsigned long long) BSP_bus_frequency)) * ((unsigned long long) (_value))) |
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255 | |
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256 | extern void bsp_reset(void); |
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257 | extern int BSP_disconnect_clock_handler (void); |
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258 | extern int BSP_connect_clock_handler (void); |
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259 | |
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260 | /* clear hostbridge errors |
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261 | * |
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262 | * enableMCP: whether to enable MCP checkstop / machine check interrupts |
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263 | * on the hostbridge and in HID0. |
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264 | * |
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265 | * NOTE: The 5500 and 6100 boards have NO PHYSICAL CONNECTION |
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266 | * to MCP so 'enableMCP' will always fail! |
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267 | * |
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268 | * quiet : be silent |
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269 | * |
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270 | * RETURNS : PCI status (hose 0 in byte 0, host 1 in byte 1) and |
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271 | * VME bridge status (upper 16 bits). |
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272 | * Zero if no errors were found. |
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273 | */ |
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274 | extern unsigned long _BSP_clear_hostbridge_errors(int enableMCP, int quiet); |
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275 | |
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276 | /* clear vme bridge errors and return (bridge-dependent) 16-bit status |
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277 | * |
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278 | * quiet : be silent |
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279 | * |
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280 | * RETURNS : 0 if there were no errors, non-zero, bridge-dependent |
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281 | * 16-bit error status on error. |
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282 | * |
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283 | */ |
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284 | extern unsigned short (*_BSP_clear_vmebridge_errors)(int); |
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285 | |
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286 | /* |
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287 | * Prototypes for debug helpers |
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288 | */ |
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289 | void discovery_pic_set_debug_irq(int on); |
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290 | void discovery_pic_install_debug_irq(void); |
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291 | |
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292 | /* |
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293 | * Prototypes for methods called only from .S for dependency tracking |
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294 | */ |
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295 | char *save_boot_params( |
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296 | void *r3, |
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297 | void *r4, |
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298 | void *r5, |
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299 | char *cmdline_start, |
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300 | char *cmdline_end |
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301 | ); |
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302 | void zero_bss(void); |
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303 | |
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304 | /* |
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305 | * Prototypes for methods in the BSP that cross file boundaries |
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306 | */ |
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307 | uint32_t probeMemoryEnd(void); |
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308 | |
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309 | #endif |
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310 | |
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311 | #ifdef __cplusplus |
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312 | } |
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313 | #endif |
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314 | |
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315 | #endif /* !ASM */ |
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316 | |
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317 | /** @} */ |
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318 | |
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319 | #endif |
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