Subversion Repositories openrisc_me

/*

 * 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,v 1.2 2001-09-27 12:00:08 chris Exp $

 */

/*  bsp.h

 *

 *  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.

 */

#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>

/*

 *  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  (4 * 1024)

/*

 * Network driver configuration

 */

struct rtems_bsdnet_ifconfig;

extern int rtems_scc1_driver_attach (struct rtems_bsdnet_ifconfig *config);

#define RTEMS_BSP_NETWORK_DRIVER_NAME   "scc1"

#define RTEMS_BSP_NETWORK_DRIVER_ATTACH rtems_scc1_driver_attach

/*

 *  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 */

/*

 *  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 );

void M360ExecuteRISC( rtems_unsigned16 command );

void *M360AllocateBufferDescriptors( int count );

void *M360AllocateRiscTimers( int count );

extern char M360DefaultWatchdogFeeder;

m68k_isr_entry set_vector(

  rtems_isr_entry     handler,

  rtems_vector_number vector,

  int                 type

);

/*

 * Values assigned by link editor

 */

extern void *_RomBase, *_RamBase;

/*

 * 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 */