forked from Imagelibrary/rtems
127 lines
2.9 KiB
C
127 lines
2.9 KiB
C
/* bsp.h
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*
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* This include file contains all board IO definitions.
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*
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* XXX : put yours in here
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*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#ifndef _BSP_H
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#define _BSP_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <bspopts.h>
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#include <rtems.h>
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#include <rtems/iosupp.h>
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#include <rtems/console.h>
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#include <rtems/clockdrv.h>
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#include <libcpu/rm5231.h>
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/*
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* confdefs.h overrides for this BSP:
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* - number of termios serial ports (defaults to 1)
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* - Interrupt stack space is not minimum if defined.
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*/
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/* #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2 */
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#define CONFIGURE_INTERRUPT_STACK_MEMORY (4 * 1024)
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extern void WriteDisplay( char * string );
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/*
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* Define the time limits for RTEMS Test Suite test durations.
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* Long test and short test duration limits are provided. These
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* values are in seconds and need to be converted to ticks for the
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* application.
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*
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*/
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#define MAX_LONG_TEST_DURATION 300 /* 5 minutes = 300 seconds */
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#define MAX_SHORT_TEST_DURATION 3 /* 3 seconds */
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/*
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* Stuff for Time Test 27
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*/
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#define MUST_WAIT_FOR_INTERRUPT 0
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#define Install_tm27_vector( handler ) set_vector( (handler), 0, 1 )
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#define Cause_tm27_intr()
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#define Clear_tm27_intr()
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#define Lower_tm27_intr()
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extern uint32_t mips_get_timer( void );
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#define CPU_CLOCK_RATE_MHZ (200)
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#define CLOCKS_PER_MICROSECOND ( CPU_CLOCK_RATE_MHZ ) /* equivalent to CPU clock speed in MHz */
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/*
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* Simple spin delay in microsecond units for device drivers.
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* This is very dependent on the clock speed of the target.
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*
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* NOTE: This macro generates a warning like "integer constant out
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* of range" which is safe to ignore. In 64 bit mode, unsigned32
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* types are actually 64 bits long so that comparisons between
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* unsigned32 types and pointers are valid. The warning is caused
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* by code in the delay macro that is necessary for 64 bit mode.
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*/
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#define rtems_bsp_delay( microseconds ) \
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{ \
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uint32_t _end_clock = \
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mips_get_timer() + microseconds * CLOCKS_PER_MICROSECOND; \
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_end_clock %= 0x100000000; /* make sure result is 32 bits */ \
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\
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/* handle timer overflow, if necessary */ \
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while ( _end_clock < mips_get_timer() ); \
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\
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while ( _end_clock > mips_get_timer() ); \
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}
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/* Constants */
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#define RAM_START 0
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#define RAM_END 0x100000
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/* miscellaneous stuff assumed to exist */
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extern rtems_configuration_table BSP_Configuration;
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/*
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* Device Driver Table Entries
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*/
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/*
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* NOTE: Use the standard Console driver entry
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*/
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/*
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* NOTE: Use the standard Clock driver entry
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*/
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/* miscellaneous stuff assumed to exist */
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rtems_isr_entry set_vector(
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rtems_isr_entry, rtems_vector_number, int );
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#ifdef __cplusplus
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}
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#endif
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#endif /* __HURRICANE_BSP_h */
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