[f198c63] | 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 | * XXX : put yours in here |
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| 6 | * |
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| 7 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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| 8 | * On-Line Applications Research Corporation (OAR). |
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| 9 | * All rights assigned to U.S. Government, 1994. |
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| 10 | * |
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| 11 | * This material may be reproduced by or for the U.S. Government pursuant |
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| 12 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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| 13 | * notice must appear in all copies of this file and its derivatives. |
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| 14 | * |
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[5bb00a8] | 15 | * $Id$ |
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[f198c63] | 16 | */ |
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| 17 | /* @(#)bsp.h 03/15/96 1.1 */ |
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| 18 | |
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| 19 | #ifndef __NO_BSP_h |
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| 20 | #define __NO_BSP_h |
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| 21 | |
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| 22 | #ifdef __cplusplus |
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| 23 | extern "C" { |
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| 24 | #endif |
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| 25 | |
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| 26 | #include <rtems.h> |
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| 27 | #include <console.h> |
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| 28 | #include <clockdrv.h> |
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| 29 | |
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| 30 | extern void WriteDisplay( char * string ); |
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| 31 | |
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| 32 | /* |
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| 33 | * Define the time limits for RTEMS Test Suite test durations. |
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| 34 | * Long test and short test duration limits are provided. These |
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| 35 | * values are in seconds and need to be converted to ticks for the |
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| 36 | * application. |
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| 37 | * |
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| 38 | */ |
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| 39 | |
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| 40 | #define MAX_LONG_TEST_DURATION 300 /* 5 minutes = 300 seconds */ |
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| 41 | #define MAX_SHORT_TEST_DURATION 3 /* 3 seconds */ |
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| 42 | |
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| 43 | /* |
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| 44 | * Stuff for Time Test 27 |
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| 45 | */ |
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| 46 | |
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| 47 | #define MUST_WAIT_FOR_INTERRUPT 0 |
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| 48 | |
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| 49 | #define Install_tm27_vector( handler ) set_vector( (handler), 0, 1 ) |
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| 50 | |
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| 51 | #define Cause_tm27_intr() |
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| 52 | |
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| 53 | #define Clear_tm27_intr() |
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| 54 | |
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| 55 | #define Lower_tm27_intr() |
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| 56 | |
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| 57 | extern unsigned32 mips_get_timer( void ); |
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| 58 | |
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| 59 | #define CPU_CLOCK_RATE_MHZ (50) |
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| 60 | #define CLOCKS_PER_MICROSECOND ( CPU_CLOCK_RATE_MHZ ) /* equivalent to CPU clock speed in MHz */ |
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| 61 | |
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| 62 | /* |
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| 63 | * Simple spin delay in microsecond units for device drivers. |
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| 64 | * This is very dependent on the clock speed of the target. |
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[5bb00a8] | 65 | * |
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| 66 | * NOTE: This macro generates a warning like "integer constant out |
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| 67 | * of range" which is safe to ignore. In 64 bit mode, unsigned32 |
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| 68 | * types are actually 64 bits long so that comparisons between |
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| 69 | * unsigned32 types and pointers are valid. The warning is caused |
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| 70 | * by code in the delay macro that is necessary for 64 bit mode. |
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[f198c63] | 71 | */ |
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| 72 | |
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| 73 | #define delay( microseconds ) \ |
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| 74 | { \ |
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| 75 | unsigned32 _end_clock = mips_get_timer() + microseconds * CLOCKS_PER_MICROSECOND; \ |
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| 76 | _end_clock %= 0x100000000; /* make sure result is 32 bits */ \ |
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| 77 | \ |
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| 78 | /* handle timer overflow, if necessary */ \ |
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| 79 | while ( _end_clock < mips_get_timer() ); \ |
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| 80 | \ |
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| 81 | while ( _end_clock > mips_get_timer() ); \ |
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| 82 | } |
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| 83 | |
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| 84 | /* Constants */ |
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| 85 | |
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| 86 | #define RAM_START 0 |
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| 87 | #define RAM_END 0x100000 |
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| 88 | |
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| 89 | /* miscellaneous stuff assumed to exist */ |
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| 90 | |
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| 91 | extern rtems_configuration_table BSP_Configuration; |
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| 92 | |
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| 93 | /* |
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| 94 | * Device Driver Table Entries |
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| 95 | */ |
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| 96 | |
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| 97 | /* |
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| 98 | * NOTE: Use the standard Console driver entry |
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| 99 | */ |
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| 100 | |
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| 101 | /* |
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| 102 | * NOTE: Use the standard Clock driver entry |
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| 103 | */ |
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| 104 | |
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| 105 | /* |
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| 106 | * How many libio files we want |
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| 107 | */ |
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| 108 | |
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| 109 | #define BSP_LIBIO_MAX_FDS 20 |
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| 110 | |
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| 111 | /* functions */ |
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| 112 | |
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| 113 | void bsp_cleanup( void ); |
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| 114 | |
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| 115 | mips_isr_entry set_vector( /* returns old vector */ |
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| 116 | rtems_isr_entry handler, /* isr routine */ |
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| 117 | rtems_vector_number vector, /* vector number */ |
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| 118 | int type /* RTEMS or RAW intr */ |
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| 119 | ); |
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| 120 | |
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| 121 | #ifdef __cplusplus |
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| 122 | } |
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| 123 | #endif |
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| 124 | |
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| 125 | #endif |
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| 126 | /* end of include file */ |
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