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