reactos/include/reactos/arm/peripherals/sp804.h

   1 /*
   2  * PROJECT:         ReactOS Kernel
   3  * LICENSE:         BSD - See COPYING.ARM in the top level directory
   4  * FILE:            include/reactos/arm/targets/pl011.h
   5  * PURPOSE:         SB804 Registers and Constants
   6  * PROGRAMMERS:     ReactOS Portable Systems Group
   7  */
   8
   9 /* GLOBALS ********************************************************************/
  10
  11 //
  12 // Timer Registers
  13 //
  14 #define TIMER_BASE(x)            (ULONG_PTR)(0x101E2000 + (x * 0x1000))
  15 #define TIMER0_LOAD              TIMER_BASE(0) + 0x00
  16 #define TIMER0_VALUE             TIMER_BASE(0) + 0x04
  17 #define TIMER0_CONTROL           TIMER_BASE(0) + 0x08
  18 #define TIMER0_INT_CLEAR         TIMER_BASE(0) + 0x0C
  19 #define TIMER0_INT_STATUS        TIMER_BASE(0) + 0x10
  20 #define TIMER0_INT_MASK          TIMER_BASE(0) + 0x14
  21 #define TIMER0_BACKGROUND_LOAD   TIMER_BASE(1) + 0x18
  22 #define TIMER1_LOAD              TIMER_BASE(1) + 0x00
  23 #define TIMER1_VALUE             TIMER_BASE(1) + 0x04
  24 #define TIMER1_CONTROL           TIMER_BASE(1) + 0x08
  25 #define TIMER1_INT_CLEAR         TIMER_BASE(1) + 0x0C
  26 #define TIMER1_INT_STATUS        TIMER_BASE(1) + 0x10
  27 #define TIMER1_INT_MASK          TIMER_BASE(1) + 0x14
  28 #define TIMER1_BACKGROUND_LOAD   TIMER_BASE(1) + 0x18
  29
  30 //
  31 // Control Register
  32 //
  33 typedef union _SP804_CONTROL_REGISTER
  34 {
  35     struct
  36     {
  37         ULONG OneShot:1;
  38         ULONG Wide:1;
  39         ULONG Prescale:2;
  40         ULONG Reserved:1;
  41         ULONG Interrupt:1;
  42         ULONG Periodic:1;
  43         ULONG Enabled:1;
  44         ULONG Unused:24;
  45     };
  46     ULONG AsUlong;
  47 } SP804_CONTROL_REGISTER, *PSP804_CONTROL_REGISTER;