Subversion Repositories openrisc

/*  bsp.h

 *

 *  This include file contains all DMV152 board IO definitions.

 *

 *  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 12:00:00 chris Exp $

 */

#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>

/*

 *  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)

/*

 *  confdefs.h overrides for this BSP:

 *   - 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  (TBD * 1024) */

/*

 *  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 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

 */

/* 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 */