source: rtems/c/src/lib/libbsp/powerpc/ss555/include/bsp.h @ a800d09c

/*  bsp.h
 *
 *  This include file contains all board IO definitions.
 *
 *  This file includes definitions for the Intec SS555.
 *
 *
 *  SS555 port sponsored by Defence Research and Development Canada - Suffield
 *  Copyright (C) 2004, Real-Time Systems Inc. (querbach@realtime.bc.ca)
 *
 *  Derived from c/src/lib/libbsp/powerpc/mbx8xx/include/bsp.h:
 *
 *  COPYRIGHT (c) 1989-1998.
 *  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.rtems.com/license/LICENSE.
 *
 *  $Id$
 */

#ifndef __SS555_h
#define __SS555_h

#ifdef __cplusplus
extern "C" {
#endif

#include <bspopts.h>

#include <rtems.h>
#include <console.h>
#include <clockdrv.h>
#include <mpc5xx.h>
#include <mpc5xx/console.h>
#include <libcpu/vectors.h>
#include <bsp/irq.h>

/*
 * Clock definitions
 */
 
#define BSP_CRYSTAL_HZ   4000000        /* crystal frequency, Hz */
#define BSP_CLOCK_HZ    40000000        /* CPU clock frequency, Hz

/*
 * I/O definitions
 *
 * The SS555 board includes a CPLD to control on-board features and
 * off-board devices.
 */
typedef struct cpld_ {
  rtems_unsigned8       cs3a[32];               /* Chip select 3A */
  rtems_unsigned8       pad0[0x200000 - 0x000020];

  rtems_unsigned8       cs3b[32];               /* Chip select 3B */
  rtems_unsigned8       pad2[0x400000 - 0x200020];

  rtems_unsigned8       cs3c[32];               /* Chip select 3C */
  rtems_unsigned8       pad4[0x600000 - 0x400020];

  rtems_unsigned8       cs3d[32];               /* Chip select 3D */
  rtems_unsigned8       pad6[0x800000 - 0x600020];

  rtems_unsigned8       serial_ints;    /* Enable/disable serial interrupts */
  rtems_unsigned8       serial_resets;  /* Enable/disable serial resets */
  rtems_unsigned8       serial_ack;     /* Acknowledge serial transfers */
  rtems_unsigned8       pad8[0xA00000 - 0x800003];

  rtems_unsigned8       iflash_writess; /* Enable/disable internal-flash writes */
  rtems_unsigned8       nflash_writess; /* Enable/disable NAND-flash writes */
  rtems_unsigned8       padA[0xC00000 - 0xA00002];
} cpld_t;
                  
extern volatile cpld_t cpld;              /* defined in linkcmds */
   
/*
 *  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
 *
 * The following require that IRQ7 be jumpered to ground.  On the SS555,
 * this can be done by shorting together CN5 pin 48 and CN5 pin 50.
 */

#define MUST_WAIT_FOR_INTERRUPT 1

#define Declarations_for_tm27                                           \
void tm27On()                                                           \
{                                                                       \
}                                                                       \
                                                                        \
void tm27Off()                                                          \
{                                                                       \
}                                                                       \
                                                                        \
int tm27IsOn()                                                          \
{                                                                       \
  return 1;                                                             \
}                                                                       \
                                                                        \
rtems_irq_connect_data tm27IrqData = {                                  \
  CPU_USIU_EXT_IRQ_7,                                                   \
  (rtems_irq_hdl)0,                                                     \
  (rtems_irq_enable)tm27On,                                             \
  (rtems_irq_disable)tm27Off,                                           \
  (rtems_irq_is_enabled)tm27IsOn                                        \
};

#define Install_tm27_vector( handler )                                  \
{                                                                       \
  usiu.siel |= (1 << 17);                                               \
  usiu.sipend |= (1 << 17);                                             \
                                                                        \
  tm27IrqData.hdl = (rtems_irq_hdl)handler;                             \
  BSP_install_rtems_irq_handler (&tm27IrqData);                         \
}

#define Cause_tm27_intr()                                               \
{                                                                       \
  usiu.siel &= ~(1 << 17);                                              \
}

#define Clear_tm27_intr()                                               \
{                                                                       \
  usiu.siel |= (1 << 17);                                               \
  usiu.sipend |= (1 << 17);                                             \
}

#define Lower_tm27_intr()                                               \
{                                                                       \
  ppc_cached_irq_mask |= (1 << 17);                                     \
  usiu.simask = ppc_cached_irq_mask;                                    \
}

/* miscellaneous stuff assumed to exist */

extern rtems_configuration_table BSP_Configuration;

/*
 *  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 );

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  */
);

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */