Subversion Repositories openrisc_2011-10-31

/*  bsp.h
 *
 *  This include file contains all board IO definitions.
 *
 *  XXX : put yours in here
 *
 *  COPYRIGHT (c) 1989-1999.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.OARcorp.com/rtems/license.html.
 *
 *  $Id: bsp.h,v 1.2 2001-09-27 12:00:21 chris Exp $
 */
 
#ifndef __GEN68302_BSP_h
#define __GEN68302_BSP_h
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <rtems.h>
#include <console.h>
#include <iosupp.h>
#include <clockdrv.h>
#include <m68302.h>
 
/*
 *  confdefs.h overrides for this BSP:
 *   - number of termios serial ports (defaults to 1)
 *   - Interrupt stack space is not minimum if defined.
 */
 
/* #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2 */
#define CONFIGURE_INTERRUPT_STACK_MEMORY  (4 * 1024)
 
#if defined(VARIANT)
 
#define __bsp_cat(x, y) x ## y
#define __bsp_xcat(x, y) __bsp_cat(x, y)
#define __bsp_str(s) #s
#define __bsp_xstr(s) __bsp_str(s)
 
#define __BSP_HEADER_FILE__ __bsp_xcat(VARIANT, .h)
#define __BSP_HEADER_FILE_STR__ __bsp_xstr(__BSP_HEADER_FILE__)
 
#include __BSP_HEADER_FILE_STR__
#endif
 
/*
 *  Define the time limits for RTEMS Test Suite test durations.
 *  Long test and short test duration limits are provided.  These
 *  values are in seconds and need to be converted to ticks for the
 *  application.
 *
 */
 
#define MAX_LONG_TEST_DURATION       300 /* 5 minutes = 300 seconds */
#define MAX_SHORT_TEST_DURATION      3   /* 3 seconds */
 
/*
 *  Stuff for Time Test 27
 */
 
#define MUST_WAIT_FOR_INTERRUPT 0
 
#define Install_tm27_vector( handler ) set_vector( (handler), 0, 1 )
 
#define Cause_tm27_intr()
 
#define Clear_tm27_intr()
 
#define Lower_tm27_intr()
 
/*
 *  Simple spin delay in microsecond units for device drivers.
 *  This is very dependent on the clock speed of the target.
 */
 
#define delay( microseconds ) \
  { register rtems_unsigned32 _delay=(microseconds); \
    register rtems_unsigned32 _tmp=123; \
    asm volatile( "0: \
                     nbcd      %0 ; \
                     nbcd      %0 ; \
                     dbf       %1,0b" \
                  : "=d" (_tmp), "=d" (_delay) \
                  : "0"  (_tmp), "1"  (_delay) ); \
  }
 
/* Constants */
 
#define RAM_START RAM_BASE
#define RAM_END   (RAM_BASE + RAM_SIZE)
 
/* Structures */
 
#ifdef GEN68302_INIT
#undef EXTERN
#define EXTERN
#else
#undef EXTERN
#define EXTERN extern
#endif
 
/*
 *  Device Driver Table Entries
 */
 
/*
 * NOTE: Use the standard Console driver entry
 */
 
/*
 * NOTE: Use the standard Clock driver entry
 */
 
/* miscellaneous stuff assumed to exist */
 
extern rtems_configuration_table BSP_Configuration;
 
extern m68k_isr_entry M68Kvec[];   /* vector table address */
 
/* functions */
 
void bsp_cleanup( void );
 
m68k_isr_entry set_vector(
  rtems_isr_entry     handler,
  rtems_vector_number vector,
  int                 type
);
 
#ifdef __cplusplus
}
#endif
 
#endif
/* end of include file */