release/src-rt-6.x.4708/linux/linux-2.6.36/arch/m68k/include/asm/mcftimer.h

   1 /****************************************************************************/
   2
   3 /*
   4  *      mcftimer.h -- ColdFire internal TIMER support defines.
   5  *
   6  *      (C) Copyright 1999-2006, Greg Ungerer <gerg@snapgear.com>
   7  *      (C) Copyright 2000, Lineo Inc. (www.lineo.com)
   8  */
   9
  10 /****************************************************************************/
  11 #ifndef mcftimer_h
  12 #define mcftimer_h
  13 /****************************************************************************/
  14
  15
  16 /*
  17  *      Get address specific defines for this ColdFire member.
  18  */
  19 #if defined(CONFIG_M5206) || defined(CONFIG_M5206e)
  20 #define MCFTIMER_BASE1          0x100           /* Base address of TIMER1 */
  21 #define MCFTIMER_BASE2          0x120           /* Base address of TIMER2 */
  22 #elif defined(CONFIG_M5272)
  23 #define MCFTIMER_BASE1          0x200           /* Base address of TIMER1 */
  24 #define MCFTIMER_BASE2          0x220           /* Base address of TIMER2 */
  25 #define MCFTIMER_BASE3          0x240           /* Base address of TIMER4 */
  26 #define MCFTIMER_BASE4          0x260           /* Base address of TIMER3 */
  27 #elif defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407)
  28 #define MCFTIMER_BASE1          0x140           /* Base address of TIMER1 */
  29 #define MCFTIMER_BASE2          0x180           /* Base address of TIMER2 */
  30 #elif defined(CONFIG_M532x)
  31 #define MCFTIMER_BASE1          0xfc070000      /* Base address of TIMER1 */
  32 #define MCFTIMER_BASE2          0xfc074000      /* Base address of TIMER2 */
  33 #define MCFTIMER_BASE3          0xfc078000      /* Base address of TIMER3 */
  34 #define MCFTIMER_BASE4          0xfc07c000      /* Base address of TIMER4 */
  35 #endif
  36
  37
  38 /*
  39  *      Define the TIMER register set addresses.
  40  */
  41 #define MCFTIMER_TMR            0x00            /* Timer Mode reg (r/w) */
  42 #define MCFTIMER_TRR            0x04            /* Timer Reference (r/w) */
  43 #define MCFTIMER_TCR            0x08            /* Timer Capture reg (r/w) */
  44 #define MCFTIMER_TCN            0x0C            /* Timer Counter reg (r/w) */
  45 #if defined(CONFIG_M532x)
  46 #define MCFTIMER_TER            0x03            /* Timer Event reg (r/w) */
  47 #else
  48 #define MCFTIMER_TER            0x11            /* Timer Event reg (r/w) */
  49 #endif
  50
  51 /*
  52  *      Bit definitions for the Timer Mode Register (TMR).
  53  *      Register bit flags are common accross ColdFires.
  54  */
  55 #define MCFTIMER_TMR_PREMASK    0xff00          /* Prescalar mask */
  56 #define MCFTIMER_TMR_DISCE      0x0000          /* Disable capture */
  57 #define MCFTIMER_TMR_ANYCE      0x00c0          /* Capture any edge */
  58 #define MCFTIMER_TMR_FALLCE     0x0080          /* Capture fallingedge */
  59 #define MCFTIMER_TMR_RISECE     0x0040          /* Capture rising edge */
  60 #define MCFTIMER_TMR_ENOM       0x0020          /* Enable output toggle */
  61 #define MCFTIMER_TMR_DISOM      0x0000          /* Do single output pulse  */
  62 #define MCFTIMER_TMR_ENORI      0x0010          /* Enable ref interrupt */
  63 #define MCFTIMER_TMR_DISORI     0x0000          /* Disable ref interrupt */
  64 #define MCFTIMER_TMR_RESTART    0x0008          /* Restart counter */
  65 #define MCFTIMER_TMR_FREERUN    0x0000          /* Free running counter */
  66 #define MCFTIMER_TMR_CLKTIN     0x0006          /* Input clock is TIN */
  67 #define MCFTIMER_TMR_CLK16      0x0004          /* Input clock is /16 */
  68 #define MCFTIMER_TMR_CLK1       0x0002          /* Input clock is /1 */
  69 #define MCFTIMER_TMR_CLKSTOP    0x0000          /* Stop counter */
  70 #define MCFTIMER_TMR_ENABLE     0x0001          /* Enable timer */
  71 #define MCFTIMER_TMR_DISABLE    0x0000          /* Disable timer */
  72
  73 /*
  74  *      Bit definitions for the Timer Event Registers (TER).
  75  */
  76 #define MCFTIMER_TER_CAP        0x01            /* Capture event */
  77 #define MCFTIMER_TER_REF        0x02            /* Refernece event */
  78
  79 /****************************************************************************/
  80 #endif  /* mcftimer_h */