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/*
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 * QEMU Emulated HPET support
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 *
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 * Copyright IBM, Corp. 2008
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 *
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 * Authors:
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 *  Beth Kon   <bkon@us.ibm.com>
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 *
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 * This work is licensed under the terms of the GNU GPL, version 2.  See
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 * the COPYING file in the top-level directory.
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 *
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 */
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#ifndef QEMU_HPET_EMUL_H
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#define QEMU_HPET_EMUL_H
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#define HPET_BASE               0xfed00000
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#define HPET_CLK_PERIOD         10000000ULL /* 10000000 femtoseconds == 10ns*/
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#define FS_PER_NS 1000000
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#define HPET_NUM_TIMERS 3
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#define HPET_NUM_IRQ_ROUTES     32
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#define HPET_CFG_ENABLE 0x001
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#define HPET_CFG_LEGACY 0x002
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#define HPET_ID         0x000
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#define HPET_PERIOD     0x004
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#define HPET_CFG        0x010
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#define HPET_STATUS     0x020
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#define HPET_COUNTER    0x0f0
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#define HPET_TN_CFG     0x000
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#define HPET_TN_CMP     0x008
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#define HPET_TN_ROUTE   0x010
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#define HPET_CFG_WRITE_MASK  0x3
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#define HPET_TN_TYPE_LEVEL       0x002
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#define HPET_TN_ENABLE           0x004
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#define HPET_TN_PERIODIC         0x008
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#define HPET_TN_PERIODIC_CAP     0x010
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#define HPET_TN_SIZE_CAP         0x020
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#define HPET_TN_SETVAL           0x040
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#define HPET_TN_32BIT            0x100
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#define HPET_TN_INT_ROUTE_MASK  0x3e00
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#define HPET_TN_CFG_WRITE_MASK  0x3f4e
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#define HPET_TN_INT_ROUTE_SHIFT      9
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#define HPET_TN_INT_ROUTE_CAP_SHIFT 32
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#define HPET_TN_CFG_BITS_READONLY_OR_RESERVED 0xffff80b1U
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#endif