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00001 /*
00002  * PROJECT:         ReactOS Kernel
00003  * LICENSE:         BSD - See COPYING.ARM in the top level directory
00004  * FILE:            include/reactos/arm/targets/pl011.h
00005  * PURPOSE:         SB804 Registers and Constants
00006  * PROGRAMMERS:     ReactOS Portable Systems Group
00007  */
00008 
00009 /* GLOBALS ********************************************************************/
00010 
00011 //
00012 // Timer Registers
00013 //
00014 #define TIMER_BASE(x)            (ULONG_PTR)(0x101E2000 + (x * 0x1000))
00015 #define TIMER0_LOAD              TIMER_BASE(0) + 0x00
00016 #define TIMER0_VALUE             TIMER_BASE(0) + 0x04
00017 #define TIMER0_CONTROL           TIMER_BASE(0) + 0x08
00018 #define TIMER0_INT_CLEAR         TIMER_BASE(0) + 0x0C
00019 #define TIMER0_INT_STATUS        TIMER_BASE(0) + 0x10
00020 #define TIMER0_INT_MASK          TIMER_BASE(0) + 0x14
00021 #define TIMER0_BACKGROUND_LOAD   TIMER_BASE(1) + 0x18
00022 #define TIMER1_LOAD              TIMER_BASE(1) + 0x00
00023 #define TIMER1_VALUE             TIMER_BASE(1) + 0x04
00024 #define TIMER1_CONTROL           TIMER_BASE(1) + 0x08
00025 #define TIMER1_INT_CLEAR         TIMER_BASE(1) + 0x0C
00026 #define TIMER1_INT_STATUS        TIMER_BASE(1) + 0x10
00027 #define TIMER1_INT_MASK          TIMER_BASE(1) + 0x14
00028 #define TIMER1_BACKGROUND_LOAD   TIMER_BASE(1) + 0x18
00029 
00030 //
00031 // Control Register
00032 //
00033 typedef union _SP804_CONTROL_REGISTER
00034 {
00035     struct
00036     {
00037         ULONG OneShot:1;
00038         ULONG Wide:1;
00039         ULONG Prescale:2;
00040         ULONG Reserved:1;
00041         ULONG Interrupt:1;
00042         ULONG Periodic:1;
00043         ULONG Enabled:1;
00044         ULONG Unused:24;
00045     };
00046     ULONG AsUlong;
00047 } SP804_CONTROL_REGISTER, *PSP804_CONTROL_REGISTER;
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