nettel.h

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

/*
 *  nettel.h -- Lineo (formerly Moreton Bay) NETtel support.
 *
 *  (C) Copyright 1999-2000, Moreton Bay (www.moretonbay.com)
 *  (C) Copyright 2000-2001, Lineo Inc. (www.lineo.com) 
 *  (C) Copyright 2001-2002, SnapGear Inc., (www.snapgear.com) 
 */

/****************************************************************************/
#ifndef nettel_h
#define nettel_h
/****************************************************************************/


/****************************************************************************/
#ifdef CONFIG_NETtel
/****************************************************************************/

#ifdef CONFIG_COLDFIRE
#include <asm/coldfire.h>
#include <asm/mcfsim.h>
#include <asm/io.h>
#endif

/*---------------------------------------------------------------------------*/
#if defined(CONFIG_M5307)
/*
 *  NETtel/5307 based hardware first. DTR/DCD lines are wired to
 *  GPIO lines. Most of the LED's are driver through a latch
 *  connected to CS2.
 */
#define MCFPP_DCD1  0x0001
#define MCFPP_DCD0  0x0002
#define MCFPP_DTR1  0x0004
#define MCFPP_DTR0  0x0008

#define NETtel_LEDADDR  0x30400000

#ifndef __ASSEMBLY__

extern volatile unsigned short ppdata;

/*
 *  These functions defined to give quasi generic access to the
 *  PPIO bits used for DTR/DCD.
 */
static __inline__ unsigned int mcf_getppdata(void)
{
    volatile unsigned short *pp;
    pp = (volatile unsigned short *) MCFSIM_PADAT;
    return((unsigned int) *pp);
}

static __inline__ void mcf_setppdata(unsigned int mask, unsigned int bits)
{
    volatile unsigned short *pp;
    pp = (volatile unsigned short *) MCFSIM_PADAT;
    ppdata = (ppdata & ~mask) | bits;
    *pp = ppdata;
}
#endif

/*---------------------------------------------------------------------------*/
#elif defined(CONFIG_M5206e)
/*
 *  NETtel/5206e based hardware has leds on latch on CS3.
 *  No support modem for lines??
 */
#define NETtel_LEDADDR  0x50000000

/*---------------------------------------------------------------------------*/
#elif defined(CONFIG_M5272)
/*
 *  NETtel/5272 based hardware. DTR/DCD lines are wired to GPB lines.
 */
#define MCFPP_DCD0  0x0080
#define MCFPP_DCD1  0x0000      /* Port 1 no DCD support */
#define MCFPP_DTR0  0x0040
#define MCFPP_DTR1  0x0000      /* Port 1 no DTR support */

#ifndef __ASSEMBLY__
/*
 *  These functions defined to give quasi generic access to the
 *  PPIO bits used for DTR/DCD.
 */
static __inline__ unsigned int mcf_getppdata(void)
{
    return readw(MCFSIM_PBDAT);
}

static __inline__ void mcf_setppdata(unsigned int mask, unsigned int bits)
{
    write((readw(MCFSIM_PBDAT) & ~mask) | bits, MCFSIM_PBDAT);
}
#endif

#endif
/*---------------------------------------------------------------------------*/

/****************************************************************************/
#endif /* CONFIG_NETtel */
/****************************************************************************/
#endif  /* nettel_h */