1 | /* |
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2 | * bsp.h -- contain BSP API definition. |
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3 | * |
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4 | * Copyright (C) 1999 Eric Valette. valette@crf.canon.fr |
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5 | * |
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6 | * The license and distribution terms for this file may be |
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7 | * found in found in the file LICENSE in this distribution or at |
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8 | * http://www.rtems.com/license/LICENSE. |
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9 | * |
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10 | * S. Kate Feng 2003-2007 : Modified it to support the mvme5500 BSP. |
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11 | * |
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12 | */ |
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13 | |
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14 | #ifndef _BSP_H |
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15 | #define _BSP_H |
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16 | |
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17 | #include <bspopts.h> |
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18 | |
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19 | #include <rtems.h> |
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20 | #include <rtems/console.h> |
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21 | #include <rtems/clockdrv.h> |
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22 | #include <libcpu/io.h> |
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23 | #include <bsp/vectors.h> |
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24 | |
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25 | #include <bsp/bspMvme5500.h> |
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26 | |
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27 | /* fundamental addresses for this BSP (PREPxxx are from libcpu/io.h) */ |
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28 | #define _IO_BASE GT64260_REG_BASE |
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29 | |
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30 | /* PCI0 Domain I/O space */ |
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31 | #define PCI0_IO_BASE 0xf0000000 |
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32 | #define PCI1_IO_BASE 0xf0800000 |
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33 | |
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34 | /* PCI 0 memory space as seen from the CPU */ |
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35 | #define PCI0_MEM_BASE 0x80000000 |
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36 | #define PCI_MEM_BASE 0 /* glue for vmeUniverse */ |
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37 | #define PCI_MEM_BASE_ADJUSTMENT 0 |
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38 | |
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39 | /* address of our ram on the PCI bus */ |
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40 | #define PCI_DRAM_OFFSET 0 |
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41 | |
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42 | /* PCI 1 memory space as seen from the CPU */ |
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43 | #define PCI1_MEM_BASE 0xe0000000 |
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44 | #define PCI1_MEM_SIZE 0x10000000 |
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45 | |
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46 | /* Needed for hot adding via PMCspan on the PCI0 local bus. |
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47 | * This is board dependent, only because mvme5500 |
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48 | * supports hot adding and has more than one local PCI |
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49 | * bus. |
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50 | */ |
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51 | #define BSP_MAX_PCI_BUS_ON_PCI0 8 |
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52 | #define BSP_MAX_PCI_BUS_ON_PCI1 2 |
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53 | #define BSP_MAX_PCI_BUS (BSP_MAX_PCI_BUS_ON_PCI0+BSP_MAX_PCI_BUS_ON_PCI1) |
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54 | |
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55 | |
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56 | /* The glues to Till's vmeUniverse, although the name does not |
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57 | * actually reflect the relevant architect of the MVME5500. |
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58 | * Till TODO ? : BSP_PCI_DO_EOI instead ? |
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59 | * BSP_EXT_IRQ0 instead of BSP_PCI_IRQ0 ? |
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60 | * |
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61 | */ |
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62 | #define BSP_PIC_DO_EOI inl(0xc34) /* PCI IACK */ |
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63 | #define BSP_PCI_IRQ0 BSP_GPP_IRQ_LOWEST_OFFSET |
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64 | |
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65 | /* |
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66 | * confdefs.h overrides for this BSP: |
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67 | * - termios serial ports (defaults to 1) |
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68 | * - Interrupt stack space is not minimum if defined. |
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69 | */ |
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70 | |
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71 | #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2 |
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72 | |
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73 | /* uart.c uses out_8 instead of outb */ |
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74 | #define BSP_UART_IOBASE_COM1 GT64260_DEV1_BASE + 0x20000 |
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75 | #define BSP_UART_IOBASE_COM2 GT64260_DEV1_BASE + 0x21000 |
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76 | |
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77 | #define BSP_CONSOLE_PORT BSP_UART_COM1 /* console */ |
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78 | #define BSP_UART_BAUD_BASE 115200 |
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79 | |
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80 | /* |
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81 | * Vital Board data Start using DATA RESIDUAL |
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82 | */ |
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83 | /* |
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84 | * Total memory using RESIDUAL DATA |
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85 | */ |
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86 | extern unsigned int BSP_mem_size; |
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87 | /* |
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88 | * PCI Bus Frequency |
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89 | */ |
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90 | extern unsigned int BSP_bus_frequency; |
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91 | /* |
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92 | * processor clock frequency |
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93 | */ |
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94 | extern unsigned int BSP_processor_frequency; |
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95 | /* |
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96 | * Time base divisior (how many tick for 1 second). |
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97 | */ |
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98 | extern unsigned int BSP_time_base_divisor; |
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99 | |
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100 | #define BSP_Convert_decrementer( _value ) \ |
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101 | ((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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102 | |
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103 | extern void BSP_panic(char *s); |
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104 | extern void bsp_reset(void); |
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105 | /* extern int printk(const char *, ...) __attribute__((format(printf, 1, 2))); */ |
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106 | extern int BSP_disconnect_clock_handler (void); |
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107 | extern int BSP_connect_clock_handler (void); |
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108 | |
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109 | extern unsigned long _BSP_clear_hostbridge_errors(); |
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110 | |
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111 | extern unsigned int BSP_heap_start; |
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112 | |
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113 | #if 0 |
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114 | #define RTEMS_BSP_NETWORK_DRIVER_NAME "gt1" |
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115 | #define RTEMS_BSP_NETWORK_DRIVER_ATTACH rtems_GT64260eth_driver_attach |
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116 | #else |
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117 | #define RTEMS_BSP_NETWORK_DRIVER_NAME "wmG1" |
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118 | #define RTEMS_BSP_NETWORK_DRIVER_ATTACH rtems_i82544EI_driver_attach |
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119 | #endif |
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120 | |
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121 | extern int |
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122 | RTEMS_BSP_NETWORK_DRIVER_ATTACH(/* struct rtems_bsdnet_ifconfig * */); |
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123 | |
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124 | /* |
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125 | * BSP Configuration Default Overrides |
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126 | */ |
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127 | #define BSP_ZERO_WORKSPACE_AUTOMATICALLY TRUE |
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128 | |
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129 | /* As per Linux, This should be in the ppc/system.h */ |
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130 | |
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131 | static inline void memBar() |
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132 | { |
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133 | asm volatile("sync":::"memory"); |
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134 | } |
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135 | |
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136 | static inline void ioBar() |
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137 | { |
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138 | asm volatile("eieio"); |
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139 | } |
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140 | |
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141 | #endif |
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