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16b29ae1 AL |
1 | /* |
2 | * QEMU Emulated HPET support | |
3 | * | |
4 | * Copyright IBM, Corp. 2008 | |
5 | * | |
6 | * Authors: | |
7 | * Beth Kon <[email protected]> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU GPL, version 2. See | |
10 | * the COPYING file in the top-level directory. | |
11 | * | |
12 | */ | |
13 | #ifndef QEMU_HPET_EMUL_H | |
14 | #define QEMU_HPET_EMUL_H | |
15 | ||
16 | #define HPET_BASE 0xfed00000 | |
17 | #define HPET_CLK_PERIOD 10000000ULL /* 10000000 femtoseconds == 10ns*/ | |
18 | ||
19 | #define FS_PER_NS 1000000 | |
20 | #define HPET_NUM_TIMERS 3 | |
16b29ae1 | 21 | |
822557eb JK |
22 | #define HPET_NUM_IRQ_ROUTES 32 |
23 | ||
16b29ae1 AL |
24 | #define HPET_CFG_ENABLE 0x001 |
25 | #define HPET_CFG_LEGACY 0x002 | |
26 | ||
27 | #define HPET_ID 0x000 | |
28 | #define HPET_PERIOD 0x004 | |
29 | #define HPET_CFG 0x010 | |
30 | #define HPET_STATUS 0x020 | |
31 | #define HPET_COUNTER 0x0f0 | |
32 | #define HPET_TN_CFG 0x000 | |
33 | #define HPET_TN_CMP 0x008 | |
34 | #define HPET_TN_ROUTE 0x010 | |
35730fa0 | 35 | #define HPET_CFG_WRITE_MASK 0x3 |
16b29ae1 | 36 | |
27bb0b2d | 37 | #define HPET_TN_TYPE_LEVEL 0x002 |
16b29ae1 AL |
38 | #define HPET_TN_ENABLE 0x004 |
39 | #define HPET_TN_PERIODIC 0x008 | |
40 | #define HPET_TN_PERIODIC_CAP 0x010 | |
41 | #define HPET_TN_SIZE_CAP 0x020 | |
42 | #define HPET_TN_SETVAL 0x040 | |
43 | #define HPET_TN_32BIT 0x100 | |
44 | #define HPET_TN_INT_ROUTE_MASK 0x3e00 | |
35730fa0 | 45 | #define HPET_TN_CFG_WRITE_MASK 0x3f4e |
16b29ae1 AL |
46 | #define HPET_TN_INT_ROUTE_SHIFT 9 |
47 | #define HPET_TN_INT_ROUTE_CAP_SHIFT 32 | |
48 | #define HPET_TN_CFG_BITS_READONLY_OR_RESERVED 0xffff80b1U | |
49 | ||
16b29ae1 | 50 | #endif |