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/*  bsp.h

 *

 *  This include file contains all DY-4 DMV170 board IO definitions.

 *

 *  COPYRIGHT (c) 1989-1997.

 *  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.

 *

 *  $Id: bsp.h,v 1.2 2001-09-27 12:00:33 chris Exp $

 */

#ifndef __DMV170_BSP_h

#define __DMV170_BSP_h

#ifdef __cplusplus

extern "C" {

#endif

/*

 *  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 4

#define CONFIGURE_INTERRUPT_STACK_MEMORY  (12 * 1024)

#ifdef ASM

/* Definition of where to store registers in alignment handler */

#define ALIGN_REGS 0x0140

#else

#include <rtems.h>

#include <console.h>

#include <clockdrv.h>

#include <console.h>

#include <iosupp.h>

#include <dmv170.h>

#if 0

#define Enable_Debug() \

  DMV170_WRITE( 0xffffbd0c, 0 )

#define Debug_Entry( num ) \

  DMV170_WRITE( 0xffffbd06, num )

#else

#define Enable_Debug()

#define Debug_Entry( num )

#endif

/*

 * Network driver configuration

 */

struct rtems_bsdnet_ifconfig;

int rtems_dmv177_sonic_driver_attach(struct rtems_bsdnet_ifconfig *config);

#define RTEMS_BSP_NETWORK_DRIVER_NAME   "sonic1"

#define RTEMS_BSP_NETWORK_DRIVER_ATTACH rtems_dmv177_sonic_driver_attach

/*

 * The following macro calculates the Baud constant. For the Z8530 chip.

 */

#define Z8530_Baud( _frequency, _clock_by, _baud_rate  )   \

  ( (_frequency /( _clock_by * 2 * _baud_rate))  - 2)

/*

 *  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 1

#define Install_tm27_vector( _handler ) \

  set_vector( (_handler), PPC_IRQ_DECREMENTER, 1 )

#define Cause_tm27_intr()  \

  do { \

    unsigned32 _clicks = 1; \

    asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \

  } while (0)

#define Clear_tm27_intr() \

  do { \

    unsigned32 _clicks = 0xffffffff; \

    unsigned32 _msr = 0; \

    _ISR_Set_level( 0 ); \

    asm volatile( "mfmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \

    _msr &=  ~0x8000; \

    asm volatile( "mtmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \

    asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \

  } while (0)

#define Lower_tm27_intr() \

  do { \

    unsigned32 _msr = 0; \

    _ISR_Set_level( 0 ); \

    asm volatile( "mfmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \

    _msr |=  0x8002; \

    asm volatile( "mtmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \

  } while (0)

/* Constants */

/*

 *  Device Driver Table Entries

 */

/*

 * NOTE: Use the standard Console driver entry

 */

/*

 * NOTE: Use the standard Clock driver entry

 */

/*

 *  Information placed in the linkcmds file.

 */

extern int   RAM_START;

extern int   RAM_END;

extern int   RAM_SIZE;

extern int   PROM_START;

extern int   PROM_END;

extern int   PROM_SIZE;

extern int   CLOCK_SPEED;

extern int   end;        /* last address in the program */

/*

 * How many libio files we want

 */

#define BSP_LIBIO_MAX_FDS       20

/* functions */

/*

 * genvec.c

 */

rtems_isr_entry  set_EE_vector(

  rtems_isr_entry     handler,                  /* isr routine        */

  rtems_vector_number vector                    /* vector number      */

);

void initialize_external_exception_vector ();

/*

 * console.c

 */

void DEBUG_puts( char *string );

void BSP_fatal_return( void );

void bsp_start( void );

void bsp_cleanup( void );

rtems_isr_entry set_vector(                    /* returns old vector */

  rtems_isr_entry     handler,                  /* isr routine        */

  rtems_vector_number vector,                   /* vector number      */

  int                 type                      /* RTEMS or RAW intr  */

);

void BSP_fatal_return( void );

void bsp_spurious_initialize( void );

extern rtems_configuration_table BSP_Configuration;     /* owned by BSP */

extern rtems_cpu_table           Cpu_table;             /* owned by BSP */

extern rtems_unsigned32          bsp_isr_level;

extern int   CPU_PPC_CLICKS_PER_MS;

#endif /* ASM */

#ifdef __cplusplus

}

#endif

#endif

/* end of include file */