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/* bsp.h
*
* This include file contains all DMV152 board IO definitions.
*
* COPYRIGHT (c) 1989-1997.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* 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.
*
* $Id$
*/
#ifndef __DMV152_h
#define __DMV152_h
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems.h>
#include <console.h>
#include <clockdrv.h>
#include <iosupp.h>
#include <vmeintr.h>
#include <zilog/z8530.h>
#include <zilog/z8536.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 */
/*
* Define the interrupt mechanism for Time Test 27
*/
/* use a VMEbus interrupt */
#define MUST_WAIT_FOR_INTERRUPT 1
#define Install_tm27_vector( handler ) \
{ \
set_vector( (handler), 0x50, 1 ); \
(*(volatile rtems_unsigned32 *)0x0d800024) = 0x50; /* set IVECT reg */ \
(*(volatile rtems_unsigned8 *)0x0d00000c) = 0x40; /* set VIE reg */ \
}
#define Cause_tm27_intr() \
(*(volatile rtems_unsigned8 *)0x0d000003) = 0x0f /* set VINT */
#define Clear_tm27_intr() /* no operation necessary */
#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) ); \
}
/* macros */
#undef Z8x36_STATE0
#undef Z8x36_WRITE
#undef Z8x36_READ
#define Z8x36_STATE0 ( z8536 ) \
{ char *garbage; \
(garbage) = *(VOL8(z8536+0x7)) \
}
#define Z8x36_WRITE( z8536, reg, data ) \
*(VOL8(z8536+0x7)) = (reg); \
*(VOL8(z8536+0x7)) = (data)
#define Z8x36_READ( z8536, reg, data ) \
*(VOL8(z8536+0x7)) = (reg); \
(data) = *(VOL8(z8536+0x7))
/*
* ACC Register Addresses
*/
#define ACC_BASE 0x0D000000
#define ACC_STAT0 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x00))
#define ACC_STAT1 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x01))
#define ACC_GENCTL ((volatile rtems_unsigned8 *) (ACC_BASE + 0x02))
#define ACC_VINT ((volatile rtems_unsigned8 *) (ACC_BASE + 0x03))
#define ACC_VREQ ((volatile rtems_unsigned8 *) (ACC_BASE + 0x04))
#define ACC_VARB ((volatile rtems_unsigned8 *) (ACC_BASE + 0x05))
#define ACC_ID ((volatile rtems_unsigned8 *) (ACC_BASE + 0x06))
#define ACC_CTL2 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x07))
#define ACC_7IS ((volatile rtems_unsigned8 *) (ACC_BASE + 0x08))
#define ACC_LIS ((volatile rtems_unsigned8 *) (ACC_BASE + 0x09))
#define ACC_7IE ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0A))
#define ACC_LIE ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0B))
#define ACC_VIE ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0C))
#define ACC_IC10 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0D))
#define ACC_IC32 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0E))
#define ACC_IC54 ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0F))
/* constants */
#define RAM_START 0
#define RAM_END 0x100000
#define TIMER 0x0c000000
#define TIMER_VECTOR 0x4D
#define CONSOLE_CONTROL_A 0x0C800005
#define CONSOLE_DATA_A 0x0C800007
#define CONSOLE_CONTROL_B 0x0C800001
#define CONSOLE_DATA_B 0x0C800003
/* Structures */
/* none */
/* miscellaneous stuff assumed to exist */
extern rtems_configuration_table BSP_Configuration;
extern m68k_isr_entry M68Kvec[]; /* vector table address */
/*
* 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
/* 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 */
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