1 | /* bsp.h |
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2 | * |
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3 | * This include file contains all mrm board IO definitions. |
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4 | * |
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5 | * COPYRIGHT (c) 1989-1999. |
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6 | * On-Line Applications Research Corporation (OAR). |
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7 | * |
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8 | * The license and distribution terms for this file may be |
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9 | * found in the file LICENSE in this distribution or at |
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10 | * http://www.rtems.com/license/LICENSE. |
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11 | * |
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12 | * $Id$ |
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13 | */ |
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14 | |
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15 | #ifndef __MRM332_BSP_h |
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16 | #define __MRM332_BSP_h |
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17 | |
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18 | #ifdef __cplusplus |
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19 | extern "C" { |
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20 | #endif |
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21 | |
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22 | #include <bspopts.h> |
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23 | |
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24 | #include <rtems.h> |
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25 | #include <rtems/bspIo.h> |
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26 | #include <rtems/clockdrv.h> |
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27 | #include <rtems/console.h> |
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28 | #include <rtems/iosupp.h> |
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29 | #include <mrm332.h> |
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30 | #include <rtems/m68k/sim.h> |
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31 | #include <rtems/m68k/qsm.h> |
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32 | |
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33 | /* |
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34 | * confdefs.h overrides for this BSP: |
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35 | * - number of termios serial ports (defaults to 1) |
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36 | * - Interrupt stack space is not minimum if defined. |
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37 | */ |
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38 | |
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39 | #define CONSOLE_SCI |
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40 | /* #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2 */ |
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41 | /* #define CONFIGURE_INTERRUPT_STACK_MEMORY (TBD * 1024) */ |
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42 | |
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43 | /* |
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44 | * Simple spin delay in microsecond units for device drivers. |
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45 | * This is very dependent on the clock speed of the target. |
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46 | */ |
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47 | |
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48 | #define rtems_bsp_delay( microseconds ) \ |
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49 | { register uint32_t _delay=(microseconds); \ |
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50 | register uint32_t _tmp=123; \ |
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51 | asm volatile( "0: \ |
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52 | nbcd %0 ; \ |
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53 | nbcd %0 ; \ |
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54 | dbf %1,0b" \ |
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55 | : "=d" (_tmp), "=d" (_delay) \ |
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56 | : "0" (_tmp), "1" (_delay) ); \ |
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57 | } |
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58 | |
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59 | /* externals */ |
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60 | |
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61 | extern char _etext[]; |
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62 | extern char _copy_start[]; |
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63 | extern char _edata[]; |
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64 | extern char _clear_start[]; |
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65 | extern char end[]; |
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66 | extern char _copy_data_from_rom[]; |
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67 | |
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68 | /* constants */ |
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69 | |
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70 | #ifdef __START_C__ |
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71 | #define STACK_SIZE "#0x800" |
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72 | #else |
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73 | #define STACK_SIZE 0x800 |
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74 | #endif |
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75 | |
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76 | /* macros */ |
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77 | |
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78 | #define RAW_PUTS(str) \ |
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79 | { register char *ptr = str; \ |
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80 | while (*ptr) SCI_output_char(*ptr++); \ |
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81 | } |
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82 | |
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83 | #define RAW_PUTI(n) { \ |
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84 | register int i, j; \ |
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85 | \ |
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86 | RAW_PUTS("0x"); \ |
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87 | for (i=28;i>=0;i -= 4) { \ |
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88 | j = (n>>i) & 0xf; \ |
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89 | SCI_output_char( (j>9 ? j-10+'a' : j+'0') ); \ |
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90 | } \ |
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91 | } |
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92 | |
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93 | /* miscellaneous stuff assumed to exist */ |
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94 | |
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95 | extern rtems_configuration_table BSP_Configuration; |
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96 | |
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97 | extern m68k_isr_entry M68Kvec[]; /* vector table address */ |
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98 | |
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99 | extern int stack_size; |
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100 | |
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101 | extern int stack_start; |
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102 | |
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103 | /* |
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104 | * Device Driver Table Entries |
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105 | */ |
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106 | |
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107 | /* |
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108 | * NOTE: Use the standard Console driver entry |
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109 | */ |
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110 | |
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111 | /* |
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112 | * NOTE: Use the standard Clock driver entry |
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113 | */ |
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114 | |
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115 | /* functions */ |
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116 | |
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117 | void bsp_cleanup( void ); |
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118 | |
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119 | m68k_isr_entry set_vector( |
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120 | rtems_isr_entry handler, |
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121 | rtems_vector_number vector, |
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122 | int type |
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123 | ); |
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124 | |
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125 | void console_init(void); |
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126 | |
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127 | void Spurious_Initialize(void); |
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128 | |
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129 | void _UART_flush(void); |
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130 | |
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131 | void Clock_exit(void); |
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132 | |
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133 | void outbyte(char); |
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134 | |
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135 | #ifdef __cplusplus |
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136 | } |
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137 | #endif |
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138 | |
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139 | #endif |
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140 | /* end of include file */ |
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