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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libbsp/] [powerpc/] [dmv177/] [include/] [bsp.h] - Blame information for rev 173

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/*  bsp.h
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 *
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 *  This include file contains all DY-4 DMV170 board IO definitions.
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 *
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 *  COPYRIGHT (c) 1989-1997.
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 *  On-Line Applications Research Corporation (OAR).
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 *  All rights assigned to U.S. Government, 1994.
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 *
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 *  This material may be reproduced by or for the U.S. Government pursuant
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 *  to the copyright license under the clause at DFARS 252.227-7013.  This
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 *  notice must appear in all copies of this file and its derivatives.
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 *
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 *  $Id: bsp.h,v 1.2 2001-09-27 12:00:33 chris Exp $
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 */
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#ifndef __DMV170_BSP_h
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#define __DMV170_BSP_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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 *  confdefs.h overrides for this BSP:
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 *   - termios serial ports (defaults to 1)
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 *   - Interrupt stack space is not minimum if defined.
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 */
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#define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 4
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#define CONFIGURE_INTERRUPT_STACK_MEMORY  (12 * 1024)
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#ifdef ASM
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/* Definition of where to store registers in alignment handler */
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#define ALIGN_REGS 0x0140
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#else
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#include <rtems.h>
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#include <console.h>
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#include <clockdrv.h>
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#include <console.h>
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#include <iosupp.h>
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#include <dmv170.h>
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#if 0
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#define Enable_Debug() \
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  DMV170_WRITE( 0xffffbd0c, 0 )
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#define Debug_Entry( num ) \
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  DMV170_WRITE( 0xffffbd06, num )
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#else
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#define Enable_Debug()
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#define Debug_Entry( num )
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#endif
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/*
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 * Network driver configuration
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 */
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struct rtems_bsdnet_ifconfig;
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int rtems_dmv177_sonic_driver_attach(struct rtems_bsdnet_ifconfig *config);
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#define RTEMS_BSP_NETWORK_DRIVER_NAME   "sonic1"
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#define RTEMS_BSP_NETWORK_DRIVER_ATTACH rtems_dmv177_sonic_driver_attach
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/*
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 * The following macro calculates the Baud constant. For the Z8530 chip.
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 */
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#define Z8530_Baud( _frequency, _clock_by, _baud_rate  )   \
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  ( (_frequency /( _clock_by * 2 * _baud_rate))  - 2)
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/*
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 *  Define the time limits for RTEMS Test Suite test durations.
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 *  Long test and short test duration limits are provided.  These
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 *  values are in seconds and need to be converted to ticks for the
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 *  application.
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 *
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 */
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#define MAX_LONG_TEST_DURATION       300 /* 5 minutes = 300 seconds */
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#define MAX_SHORT_TEST_DURATION      3   /* 3 seconds */
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/*
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 *  Stuff for Time Test 27
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 */
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#define MUST_WAIT_FOR_INTERRUPT 1
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#define Install_tm27_vector( _handler ) \
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  set_vector( (_handler), PPC_IRQ_DECREMENTER, 1 )
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#define Cause_tm27_intr()  \
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  do { \
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    unsigned32 _clicks = 1; \
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    asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \
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  } while (0)
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#define Clear_tm27_intr() \
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  do { \
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    unsigned32 _clicks = 0xffffffff; \
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    unsigned32 _msr = 0; \
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    _ISR_Set_level( 0 ); \
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    asm volatile( "mfmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \
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    _msr &=  ~0x8000; \
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    asm volatile( "mtmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \
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    asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \
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  } while (0)
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#define Lower_tm27_intr() \
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  do { \
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    unsigned32 _msr = 0; \
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    _ISR_Set_level( 0 ); \
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    asm volatile( "mfmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \
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    _msr |=  0x8002; \
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    asm volatile( "mtmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \
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  } while (0)
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/* Constants */
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/*
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 *  Device Driver Table Entries
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 */
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/*
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 * NOTE: Use the standard Console driver entry
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 */
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/*
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 * NOTE: Use the standard Clock driver entry
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 */
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/*
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 *  Information placed in the linkcmds file.
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 */
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extern int   RAM_START;
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extern int   RAM_END;
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extern int   RAM_SIZE;
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extern int   PROM_START;
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extern int   PROM_END;
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extern int   PROM_SIZE;
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extern int   CLOCK_SPEED;
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extern int   end;        /* last address in the program */
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/*
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 * How many libio files we want
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 */
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#define BSP_LIBIO_MAX_FDS       20
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/* functions */
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/*
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 * genvec.c
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 */
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rtems_isr_entry  set_EE_vector(
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  rtems_isr_entry     handler,                  /* isr routine        */
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  rtems_vector_number vector                    /* vector number      */
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);
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void initialize_external_exception_vector ();
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/*
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 * console.c
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 */
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void DEBUG_puts( char *string );
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void BSP_fatal_return( void );
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void bsp_start( void );
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void bsp_cleanup( void );
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rtems_isr_entry set_vector(                    /* returns old vector */
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  rtems_isr_entry     handler,                  /* isr routine        */
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  rtems_vector_number vector,                   /* vector number      */
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  int                 type                      /* RTEMS or RAW intr  */
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);
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void BSP_fatal_return( void );
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void bsp_spurious_initialize( void );
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extern rtems_configuration_table BSP_Configuration;     /* owned by BSP */
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extern rtems_cpu_table           Cpu_table;             /* owned by BSP */
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extern rtems_unsigned32          bsp_isr_level;
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extern int   CPU_PPC_CLICKS_PER_MS;
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#endif /* ASM */
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#ifdef __cplusplus
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}
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#endif
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#endif
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/* end of include file */

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