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/*
* Board Support Package for `Generic' Motorola MC68360
*
* Based on the `gen68302' board support package, and covered by the
* original distribution terms.
*
* W. Eric Norum
* Saskatchewan Accelerator Laboratory
* University of Saskatchewan
* Saskatoon, Saskatchewan, CANADA
* eric@skatter.usask.ca
*
* $Id$
*/
/* bsp.h
*
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
* On-Line Applications Research Corporation (OAR).
* All rights assigned to U.S. Government, 1994.
*
* This material may be reproduced by or for the U.S. Government pursuant
* to the copyright license under the clause at DFARS 252.227-7013. This
* notice must appear in all copies of this file and its derivatives.
*/
#ifndef __GEN68360_BSP_h
#define __GEN68360_BSP_h
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems.h>
#include <console.h>
#include <iosupp.h>
#include <clockdrv.h>
/*
* 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
* Don't bother with hardware -- just use a software-interrupt
*/
#define MUST_WAIT_FOR_INTERRUPT 0
#define Install_tm27_vector( handler ) set_vector( (handler), 34, 1 )
#define Cause_tm27_intr() asm volatile ("trap #2");
#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 */
/* Structures */
#ifdef GEN68360_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
*/
/*
* How many libio files we want
*/
#define BSP_LIBIO_MAX_FDS 20
/* miscellaneous stuff assumed to exist */
extern rtems_configuration_table BSP_Configuration;
extern m68k_isr_entry M68Kvec[]; /* vector table address */
/* functions */
void bsp_cleanup( void );
void M360ExecuteRISC( rtems_unsigned16 command );
void *M360AllocateBufferDescriptors( int count );
void *M360AllocateRiscTimers( int count );
m68k_isr_entry set_vector(
rtems_isr_entry handler,
rtems_vector_number vector,
int type
);
/*
* Values assigned by link editor
*/
extern void *_RomBase, *_RamBase, *_RamSize;
/*
* Definitions for Atlas Computer Equipment Inc. High Speed Bridge (HSB)
*/
#define ATLASHSB_ESR 0x20010000L
#define ATLASHSB_USICR 0x20010001L
#define ATLASHSB_DSRR 0x20010002L
#define ATLASHSB_LED4 0x20010004L
#define ATLASHSB_ROM_U6 0xFF080000L /* U6 flash ROM socket */
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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