Subversion Repositories openrisc_2011-10-31

/*
 *  This include file contains all board IO definitions.
 *
 *  generic sh2
 *
 *  Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
 *
 *  COPYRIGHT (c) 1997-1998, FAW Ulm, Germany
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * 
 *
 *  COPYRIGHT (c) 1998.
 *  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.
 *
 *  Minor adaptations for sh2 by:
 *  John M. Mills (jmills@tga.com)
 *  TGA Technologies, Inc.
 *  100 Pinnacle Way, Suite 140
 *  Norcross, GA 30071 U.S.A.
 *
 *  This modified file may be copied and distributed in accordance
 *  the above-referenced license. It is provided for critique and
 *  developmental purposes without any warranty nor representation
 *  by the authors or by TGA Technologies.
 *
 *  $Id: bsp.h,v 1.2 2001-09-27 12:01:12 chris Exp $
 */
 
#ifndef __gensh2_h
#define __gensh2_h
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <rtems.h>
#include <clockdrv.h>
#include <console.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 0
#include <sh/null.h>
#define BSP_CONSOLE_DEVNAME "/dev/null"
#define BSP_CONSOLE_DRIVER_TABLE_ENTRY DEVNULL_DRIVER_TABLE_ENTRY
#else
#include <sh/sci.h>
#define BSP_CONSOLE_DEVNAME "/dev/sci1"
#define BSP_CONSOLE_DRIVER_TABLE_ENTRY DEVSCI_DRIVER_TABLE_ENTRY
#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 ) \
{ \
  rtems_isr_entry ignored ; \
  rtems_interrupt_catch( (handler), 0, &ignored ) ; \
}
 
#define Cause_tm27_intr()
 
#define Clear_tm27_intr()
 
#define Lower_tm27_intr()
 
/* Constants */
 
/*
 *  Simple spin delay in microsecond units for device drivers.
 *  This is very dependent on the clock speed of the target.
 */
 
#define delay( microseconds ) CPU_delay(microseconds)
#define sh_delay( microseconds ) CPU_delay( microseconds )
 
 
/*
 * Defined in the linker script 'linkcmds'
 */
 
extern unsigned32       HeapStart ;
extern unsigned32       HeapEnd ;
extern unsigned32       WorkSpaceStart ;
extern unsigned32       WorkSpaceEnd ;
 
extern void *CPU_Interrupt_stack_low ;
extern void *CPU_Interrupt_stack_high ;
 
 
/* miscellaneous stuff assumed to exist */
 
extern rtems_configuration_table BSP_Configuration;
 
extern void bsp_cleanup( void );
 
/*
 *  Device Driver Table Entries
 */
 
/*
 * We redefine CONSOLE_DRIVER_TABLE_ENTRY to redirect /dev/console
 */
#undef CONSOLE_DRIVER_TABLE_ENTRY
#define CONSOLE_DRIVER_TABLE_ENTRY \
  BSP_CONSOLE_DRIVER_TABLE_ENTRY, \
  { console_initialize, console_open, console_close, \
      console_read, console_write, console_control }
 
/*
 * NOTE: Use the standard Clock driver entry
 */
 
#ifdef __cplusplus
}
#endif
 
#endif
/* end of include file */