git.mutantstargoat.com Git - rpikern/blob - src/timer.h

   1 #ifndef TIMER_H_
   2 #define TIMER_H_
   3
   4 #include "config.h"
   5
   6 #define TM_BASE (IO_BASE | 0xb000)
   7
   8 #define TM_REG(x)       (*(volatile uint32_t*)(TIMER_BASE | (x)))
   9 #define TM_LOAD         TM_REG(0x400)
  10 #define TM_VALUE        TM_REG(0x404)
  11 #define TM_CTL          TM_REG(0x408)
  12 #define TM_ICLR         TM_REG(0x40c)
  13 #define TM_IRAW         TM_REG(0x410)
  14 #define TM_IMSK         TM_REG(0x414)
  15 #define TM_RELOAD       TM_REG(0x418)
  16 #define TM_PREDIV       TM_REG(0x41c)
  17 #define TM_COUNT        TM_REG(0x420)
  18
  19 #define TMCTL_23BIT             0x000002
  20 #define TMCTL_DIV16             0x000004
  21 #define TMCTL_DIV256    0x000008
  22 #define TMCTL_DIV1              0x00000c
  23 #define TMCTL_IEN               0x000020
  24 #define TMCTL_EN                0x000080
  25 #define TMCTL_DBGHALT   0x000100
  26 #define TMCTL_CNTEN             0x000200
  27
  28 #define TMCTL_PRESCALER(x)      (((uint32_t)(x) & 0xff) << 16)
  29
  30 #endif  /* TIMER_H_ */