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Diffstat (limited to 'include/asm-x86_64/hpet.h')
-rw-r--r--include/asm-x86_64/hpet.h35
1 files changed, 21 insertions, 14 deletions
diff --git a/include/asm-x86_64/hpet.h b/include/asm-x86_64/hpet.h
index a3877f570998..c20c28f5c7a0 100644
--- a/include/asm-x86_64/hpet.h
+++ b/include/asm-x86_64/hpet.h
@@ -14,18 +14,18 @@
14#define HPET_CFG 0x010 14#define HPET_CFG 0x010
15#define HPET_STATUS 0x020 15#define HPET_STATUS 0x020
16#define HPET_COUNTER 0x0f0 16#define HPET_COUNTER 0x0f0
17#define HPET_T0_CFG 0x100 17#define HPET_Tn_OFFSET 0x20
18#define HPET_T0_CMP 0x108 18#define HPET_Tn_CFG(n) (0x100 + (n) * HPET_Tn_OFFSET)
19#define HPET_T0_ROUTE 0x110 19#define HPET_Tn_ROUTE(n) (0x104 + (n) * HPET_Tn_OFFSET)
20#define HPET_T1_CFG 0x120 20#define HPET_Tn_CMP(n) (0x108 + (n) * HPET_Tn_OFFSET)
21#define HPET_T1_CMP 0x128 21#define HPET_T0_CFG HPET_Tn_CFG(0)
22#define HPET_T1_ROUTE 0x130 22#define HPET_T0_CMP HPET_Tn_CMP(0)
23#define HPET_T2_CFG 0x140 23#define HPET_T1_CFG HPET_Tn_CFG(1)
24#define HPET_T2_CMP 0x148 24#define HPET_T1_CMP HPET_Tn_CMP(1)
25#define HPET_T2_ROUTE 0x150
26 25
27#define HPET_ID_VENDOR 0xffff0000 26#define HPET_ID_VENDOR 0xffff0000
28#define HPET_ID_LEGSUP 0x00008000 27#define HPET_ID_LEGSUP 0x00008000
28#define HPET_ID_64BIT 0x00002000
29#define HPET_ID_NUMBER 0x00001f00 29#define HPET_ID_NUMBER 0x00001f00
30#define HPET_ID_REV 0x000000ff 30#define HPET_ID_REV 0x000000ff
31#define HPET_ID_NUMBER_SHIFT 8 31#define HPET_ID_NUMBER_SHIFT 8
@@ -38,11 +38,18 @@
38#define HPET_LEGACY_8254 2 38#define HPET_LEGACY_8254 2
39#define HPET_LEGACY_RTC 8 39#define HPET_LEGACY_RTC 8
40 40
41#define HPET_TN_ENABLE 0x004 41#define HPET_TN_LEVEL 0x0002
42#define HPET_TN_PERIODIC 0x008 42#define HPET_TN_ENABLE 0x0004
43#define HPET_TN_PERIODIC_CAP 0x010 43#define HPET_TN_PERIODIC 0x0008
44#define HPET_TN_SETVAL 0x040 44#define HPET_TN_PERIODIC_CAP 0x0010
45#define HPET_TN_32BIT 0x100 45#define HPET_TN_64BIT_CAP 0x0020
46#define HPET_TN_SETVAL 0x0040
47#define HPET_TN_32BIT 0x0100
48#define HPET_TN_ROUTE 0x3e00
49#define HPET_TN_FSB 0x4000
50#define HPET_TN_FSB_CAP 0x8000
51
52#define HPET_TN_ROUTE_SHIFT 9
46 53
47extern int is_hpet_enabled(void); 54extern int is_hpet_enabled(void);
48extern int hpet_rtc_timer_init(void); 55extern int hpet_rtc_timer_init(void);