diff options
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/include/arch/hpet.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/hpet.h b/src/arch/x86/include/arch/hpet.h index 224279eb6f..7c2e44ffb9 100644 --- a/src/arch/x86/include/arch/hpet.h +++ b/src/arch/x86/include/arch/hpet.h @@ -5,4 +5,15 @@ #define HPET_BASE_ADDRESS 0xfed00000 +/** + * Definitions are from IA-PC HPET (High Precision Event Timers) Specification, + * Revision 1.0a + */ +#define HPET_GEN_CAP_ID 0x0 +#define HPET_NUM_TIM_CAP_MASK 0x1f +#define HPET_NUM_TIM_CAP_SHIFT 8 + +#define HPET_TMR0_CNF_CAP 0x100 +#define HPET_TIMER_FSB_EN_CNF_MASK (1 << 15) + #endif /* ARCH_X86_HPET_H */ |