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
  44 extern 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  */
  50 static __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
  57 static __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  */
  89 static __inline__ unsigned int mcf_getppdata(void)
  90 {
  91         return readw(MCFSIM_PBDAT);
  92 }
  93
  94 static __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 */