include/asm-m68knommu/nettel.h

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