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/****************************************************************************/

/*

 *      elia.h -- Moreton Bay eLIA platform support.

 *

 *      (C) Copyright 1999-2000, Moreton Bay (www.moreton.com.au)

 */

/****************************************************************************/

#ifndef elia_h

#define elia_h

/****************************************************************************/

#include <linux/config.h>

#include <asm/coldfire.h>

#ifdef CONFIG_eLIA

/*

 *      The eLIA board has 2 programmable LEDs. We use one as the

 *      alive indicator, the other is user configurable.

 *      The serial port DTR and DCD lines are also on the Parallel I/O

 *      as well, so define those too.

 */

#define eLIA_LEDDIAG            0x2000

#define eLIA_USER               0x1000

#define eLIA_DCD1               0x0001

#define eLIA_DCD0               0x0002

#define eLIA_DTR1               0x0004

#define eLIA_DTR0               0x0008

#define eLIA_PCIRESET           0x0020

/*

 *      User space routines for back door access to the LEDs :-)

 *      This is a complete and utter bastard hack... But quick...

 *      The "on" pattern turns on some LEDs permanently. The "off"

 *      pattern turns some LEDs off permantly. The "flash" pattern

 *      will flash a particular LED pattern.

 */

#define LEDON(x)        *((unsigned char *) 0x3fe) |= (x)

#define LEDOFF(x)       *((unsigned char *) 0x3fe) &= ~(x)

#define LEDFLASH(x)     *((unsigned char *) 0x3ff) = (x)

#define GETLED()        *((unsigned char *) 0x3fe)

#define GETFLASH()      *((unsigned char *) 0x3ff)

/*

 *      Kernel macros to set and unset the LEDs.

 */

#ifndef __ASSEMBLY__

extern unsigned short   ppdata;

#endif /* __ASSEMBLY__ */

/*

 *      The following macros set and unset the LEDS.

 */

#define setledpp(x)                                                     \

        *((volatile unsigned short *) (MCF_MBAR + MCFSIM_PADAT)) =      \

                (ppdata &= ~(x))

#define unsetledpp(x)                                                   \

        *((volatile unsigned short *) (MCF_MBAR + MCFSIM_PADAT)) =      \

                (ppdata |= (x))

/*

 *      Panic setup for eLIA. There may be no console so it may be

 *      difficult to tell if the kernel has paniced or not. So this little

 *      macro will turn on all the LEDS - for a visual indicator of panic.

 */

#define nettel_panic()          { cli(); setledpp(0x3000); }

#endif  /* CONFIG_eLIA */

/****************************************************************************/

#endif  /* elia_h */