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1.1 root 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
1.1.1.4 root 20: #define HPET_MIN_TIMERS 3
21: #define HPET_MAX_TIMERS 32
22:
23: #define HPET_NUM_IRQ_ROUTES 32
1.1 root 24:
1.1.1.6 ! root 25: #define HPET_LEGACY_PIT_INT 0
! 26: #define HPET_LEGACY_RTC_INT 1
! 27:
1.1 root 28: #define HPET_CFG_ENABLE 0x001
29: #define HPET_CFG_LEGACY 0x002
30:
31: #define HPET_ID 0x000
32: #define HPET_PERIOD 0x004
33: #define HPET_CFG 0x010
34: #define HPET_STATUS 0x020
35: #define HPET_COUNTER 0x0f0
36: #define HPET_TN_CFG 0x000
37: #define HPET_TN_CMP 0x008
38: #define HPET_TN_ROUTE 0x010
39: #define HPET_CFG_WRITE_MASK 0x3
40:
1.1.1.4 root 41: #define HPET_ID_NUM_TIM_SHIFT 8
42: #define HPET_ID_NUM_TIM_MASK 0x1f00
1.1 root 43:
1.1.1.4 root 44: #define HPET_TN_TYPE_LEVEL 0x002
1.1 root 45: #define HPET_TN_ENABLE 0x004
46: #define HPET_TN_PERIODIC 0x008
47: #define HPET_TN_PERIODIC_CAP 0x010
48: #define HPET_TN_SIZE_CAP 0x020
49: #define HPET_TN_SETVAL 0x040
50: #define HPET_TN_32BIT 0x100
51: #define HPET_TN_INT_ROUTE_MASK 0x3e00
1.1.1.4 root 52: #define HPET_TN_FSB_ENABLE 0x4000
53: #define HPET_TN_FSB_CAP 0x8000
54: #define HPET_TN_CFG_WRITE_MASK 0x7f4e
1.1 root 55: #define HPET_TN_INT_ROUTE_SHIFT 9
56: #define HPET_TN_INT_ROUTE_CAP_SHIFT 32
57: #define HPET_TN_CFG_BITS_READONLY_OR_RESERVED 0xffff80b1U
58:
1.1.1.4 root 59: struct hpet_fw_entry
60: {
61: uint32_t event_timer_block_id;
62: uint64_t address;
63: uint16_t min_tick;
64: uint8_t page_prot;
1.1.1.5 root 65: } QEMU_PACKED;
1.1.1.4 root 66:
67: struct hpet_fw_config
68: {
69: uint8_t count;
70: struct hpet_fw_entry hpet[8];
1.1.1.5 root 71: } QEMU_PACKED;
1.1 root 72:
1.1.1.4 root 73: extern struct hpet_fw_config hpet_cfg;
1.1 root 74: #endif
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