LXR linux/arch/m68k/include/asm/nettel.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/****************************************************************************/
   3
   4/*
   5 *      nettel.h -- Lineo (formerly Moreton Bay) NETtel support.
   6 *
   7 *      (C) Copyright 1999-2000, Moreton Bay (www.moretonbay.com)
   8 *      (C) Copyright 2000-2001, Lineo Inc. (www.lineo.com) 
   9 *      (C) Copyright 2001-2002, SnapGear Inc., (www.snapgear.com) 
  10 */
  11
  12/****************************************************************************/
  13#ifndef nettel_h
  14#define nettel_h
  15/****************************************************************************/
  16
  17
  18/****************************************************************************/
  19#ifdef CONFIG_NETtel
  20/****************************************************************************/
  21
  22#ifdef CONFIG_COLDFIRE
  23#include <asm/coldfire.h>
  24#include <asm/mcfsim.h>
  25#include <asm/io.h>
  26#endif
  27
  28/*---------------------------------------------------------------------------*/
  29#if defined(CONFIG_M5307)
  30/*
  31 *      NETtel/5307 based hardware first. DTR/DCD lines are wired to
  32 *      GPIO lines. Most of the LED's are driver through a latch
  33 *      connected to CS2.
  34 */
  35#define MCFPP_DCD1      0x0001
  36#define MCFPP_DCD0      0x0002
  37#define MCFPP_DTR1      0x0004
  38#define MCFPP_DTR0      0x0008
  39
  40#define NETtel_LEDADDR  0x30400000
  41
  42#ifndef __ASSEMBLY__
  43
  44extern volatile unsigned short ppdata;
  45
  46/*
  47 *      These functions defined to give quasi generic access to the
  48 *      PPIO bits used for DTR/DCD.
  49 */
  50static __inline__ unsigned int mcf_getppdata(void)
  51{
  52        volatile unsigned short *pp;
  53        pp = (volatile unsigned short *) MCFSIM_PADAT;
  54        return((unsigned int) *pp);
  55}
  56
  57static __inline__ void mcf_setppdata(unsigned int mask, unsigned int bits)
  58{
  59        volatile unsigned short *pp;
  60        pp = (volatile unsigned short *) MCFSIM_PADAT;
  61        ppdata = (ppdata & ~mask) | bits;
  62        *pp = ppdata;
  63}
  64#endif
  65
  66/*---------------------------------------------------------------------------*/
  67#elif defined(CONFIG_M5206e)
  68/*
  69 *      NETtel/5206e based hardware has leds on latch on CS3.
  70 *      No support modem for lines??
  71 */
  72#define NETtel_LEDADDR  0x50000000
  73
  74/*---------------------------------------------------------------------------*/
  75#elif defined(CONFIG_M5272)
  76/*
  77 *      NETtel/5272 based hardware. DTR/DCD lines are wired to GPB lines.
  78 */
  79#define MCFPP_DCD0      0x0080
  80#define MCFPP_DCD1      0x0000          /* Port 1 no DCD support */
  81#define MCFPP_DTR0      0x0040
  82#define MCFPP_DTR1      0x0000          /* Port 1 no DTR support */
  83
  84#ifndef __ASSEMBLY__
  85/*
  86 *      These functions defined to give quasi generic access to the
  87 *      PPIO bits used for DTR/DCD.
  88 */
  89static __inline__ unsigned int mcf_getppdata(void)
  90{
  91        return readw(MCFSIM_PBDAT);
  92}
  93
  94static __inline__ void mcf_setppdata(unsigned int mask, unsigned int bits)
  95{
  96        writew((readw(MCFSIM_PBDAT) & ~mask) | bits, MCFSIM_PBDAT);
  97}
  98#endif
  99
 100#endif
 101/*---------------------------------------------------------------------------*/
 102
 103/****************************************************************************/
 104#endif /* CONFIG_NETtel */
 105/****************************************************************************/
 106#endif  /* nettel_h */
 107