io.c

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/* -*-C-*-
 *
 * $Revision: 1.3 $
 *   $Author: mechavar $
 *     $Date: 2000/05/01 19:37:08 $
 *
 * Copyright (c) 2000 ARM, INC.
 * All Rights Reserved.
 *
 *   Project: BootStrap Loader
 *
 *   
 */

#include "uhal.h"
#include "bsl.h"
#include "segdisp.h"

#define	SHELL_SEG_PAT		(SEG_F | SEG_E | SEG_C | SEG_B)
#define	AUTOBOOT_SEG_PAT	(SEG_A | SEG_G | SEG_D)

void bsl_InitIO( void )
{
   unsigned	count;

   /* light the leds */
   count = uHALr_InitLEDs();
   uHALir_SetLEDs( ALL_LEDS );
   
   /* Turn on 7 segment display */
   *(unsigned *)IOPMOD |= SEG_MASK;
   *(unsigned *)IOPDATA |= SEG_MASK;

}

void SetLEDs(unsigned status)
{

   uHALir_SetLEDs( ALL_LEDS & (status << 4));
}

void dispMode( int inShellMode )
{

   *(unsigned *)IOPDATA &= ~SEG_MASK; /* clear display */
   if ( 0 != inShellMode )
   {
      *(unsigned *)IOPDATA |= SHELL_SEG_PAT;
      if ( 2 == inShellMode )
      {
	 *(unsigned *)IOPDATA |= AUTOBOOT_SEG_PAT; /* for production test */
      }
   }
   else
   {
      *(unsigned *)IOPDATA |= AUTOBOOT_SEG_PAT;
   }
}