[8961188] | 1 | /* bsp.h |
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| 2 | * |
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| 3 | * This include file contains all Papyrus board IO definitions. |
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| 4 | * |
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| 5 | * Author: Andrew Bray <andy@i-cubed.co.uk> |
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| 6 | * |
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| 7 | * COPYRIGHT (c) 1995 by i-cubed ltd. |
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| 8 | * |
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| 9 | * To anyone who acknowledges that this file is provided "AS IS" |
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| 10 | * without any express or implied warranty: |
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| 11 | * permission to use, copy, modify, and distribute this file |
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| 12 | * for any purpose is hereby granted without fee, provided that |
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| 13 | * the above copyright notice and this notice appears in all |
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| 14 | * copies, and that the name of i-cubed limited not be used in |
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| 15 | * advertising or publicity pertaining to distribution of the |
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| 16 | * software without specific, written prior permission. |
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| 17 | * i-cubed limited makes no representations about the suitability |
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| 18 | * of this software for any purpose. |
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| 19 | * |
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| 20 | * Derived from c/src/lib/libbsp/no_cpu/no_bsp/include/bsp.h |
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| 21 | * |
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[08311cc3] | 22 | * COPYRIGHT (c) 1989-1999. |
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[8961188] | 23 | * On-Line Applications Research Corporation (OAR). |
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| 24 | * |
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[b6394ae] | 25 | * The license and distribution terms for this file may be |
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| 26 | * found in found in the file LICENSE in this distribution or at |
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| 27 | * http://www.OARcorp.com/rtems/license.html. |
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[8961188] | 28 | * |
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| 29 | * $Id$ |
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| 30 | */ |
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| 31 | |
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| 32 | #ifndef __PAPYRUS_h |
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| 33 | #define __PAPYRUS_h |
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| 34 | |
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| 35 | #ifdef __cplusplus |
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| 36 | extern "C" { |
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| 37 | #endif |
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| 38 | |
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[df49c60] | 39 | /* |
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| 40 | * confdefs.h overrides for this BSP: |
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| 41 | * - termios serial ports (defaults to 1) |
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| 42 | * - Interrupt stack space is not minimum if defined. |
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| 43 | */ |
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| 44 | |
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| 45 | /* #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2 */ |
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| 46 | #define CONFIGURE_INTERRUPT_STACK_MEMORY (12 * 1024) |
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| 47 | |
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[8961188] | 48 | #ifdef ASM |
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| 49 | /* Definition of where to store registers in alignment handler */ |
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| 50 | #define ALIGN_REGS 0x0140 |
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| 51 | |
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| 52 | #else |
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| 53 | #include <rtems.h> |
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| 54 | #include <console.h> |
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| 55 | #include <clockdrv.h> |
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| 56 | #include <console.h> |
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| 57 | #include <iosupp.h> |
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| 58 | |
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| 59 | /* |
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| 60 | * Define the time limits for RTEMS Test Suite test durations. |
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| 61 | * Long test and short test duration limits are provided. These |
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| 62 | * values are in seconds and need to be converted to ticks for the |
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| 63 | * application. |
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| 64 | * |
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| 65 | */ |
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| 66 | |
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| 67 | #define MAX_LONG_TEST_DURATION 300 /* 5 minutes = 300 seconds */ |
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| 68 | #define MAX_SHORT_TEST_DURATION 3 /* 3 seconds */ |
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| 69 | |
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| 70 | |
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| 71 | /* |
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| 72 | * Stuff for Time Test 27 |
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| 73 | */ |
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| 74 | |
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| 75 | #define MUST_WAIT_FOR_INTERRUPT 1 |
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| 76 | |
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| 77 | #define Install_tm27_vector( _handler ) \ |
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| 78 | set_vector( (_handler), PPC_IRQ_DECREMENTER, 1 ) |
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| 79 | |
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| 80 | #define Cause_tm27_intr() \ |
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| 81 | do { \ |
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| 82 | unsigned32 _clicks = 1; \ |
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| 83 | asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \ |
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| 84 | } while (0) |
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| 85 | |
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| 86 | |
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| 87 | #define Clear_tm27_intr() \ |
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| 88 | do { \ |
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| 89 | unsigned32 _clicks = 0xffffffff; \ |
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| 90 | asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \ |
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| 91 | } while (0) |
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| 92 | |
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| 93 | #define Lower_tm27_intr() \ |
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| 94 | do { \ |
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| 95 | unsigned32 _msr = 0; \ |
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| 96 | _ISR_Set_level( 0 ); \ |
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| 97 | asm volatile( "mfmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \ |
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| 98 | _msr |= 0x8002; \ |
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| 99 | asm volatile( "mtmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \ |
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| 100 | } while (0) |
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| 101 | |
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| 102 | /* Constants */ |
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| 103 | |
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| 104 | /* |
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| 105 | * Device Driver Table Entries |
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| 106 | */ |
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| 107 | |
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| 108 | /* |
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| 109 | * NOTE: Use the standard Console driver entry |
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| 110 | */ |
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| 111 | |
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| 112 | /* |
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| 113 | * NOTE: Use the standard Clock driver entry |
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| 114 | */ |
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| 115 | |
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| 116 | |
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| 117 | /* |
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| 118 | * Information placed in the linkcmds file. |
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| 119 | */ |
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| 120 | |
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| 121 | extern int RAM_START; |
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| 122 | extern int RAM_END; |
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| 123 | extern int RAM_SIZE; |
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| 124 | |
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| 125 | extern int PROM_START; |
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| 126 | extern int PROM_END; |
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| 127 | extern int PROM_SIZE; |
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| 128 | |
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| 129 | extern int CLOCK_SPEED; |
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| 130 | |
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| 131 | extern int end; /* last address in the program */ |
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| 132 | |
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| 133 | /* functions */ |
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| 134 | |
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| 135 | void bsp_start( void ); |
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| 136 | |
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| 137 | void bsp_cleanup( void ); |
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| 138 | |
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| 139 | rtems_isr_entry set_vector( /* returns old vector */ |
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| 140 | rtems_isr_entry handler, /* isr routine */ |
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| 141 | rtems_vector_number vector, /* vector number */ |
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| 142 | int type /* RTEMS or RAW intr */ |
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| 143 | ); |
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| 144 | |
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| 145 | void DEBUG_puts( char *string ); |
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| 146 | |
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| 147 | void BSP_fatal_return( void ); |
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| 148 | |
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| 149 | void bsp_spurious_initialize( void ); |
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| 150 | |
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| 151 | extern rtems_configuration_table BSP_Configuration; /* owned by BSP */ |
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| 152 | |
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| 153 | extern rtems_cpu_table Cpu_table; /* owned by BSP */ |
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| 154 | |
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| 155 | extern rtems_unsigned32 bsp_isr_level; |
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| 156 | |
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| 157 | #endif /* ASM */ |
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| 158 | |
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| 159 | #ifdef __cplusplus |
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| 160 | } |
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| 161 | #endif |
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| 162 | |
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| 163 | #endif |
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| 164 | /* end of include file */ |
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