mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-22 04:30:31 +09:00
32 lines
900 B
Plaintext
32 lines
900 B
Plaintext
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/* HPET */
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Scope(\_SB) {
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Device(HPET) {
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Name(_HID, EISAID("PNP0103"))
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Name(_UID, 0)
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OperationRegion(HPTM, SystemMemory, 0xfed00000, 0x400)
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Field(HPTM, DWordAcc, Lock, Preserve) {
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VEND, 32,
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PRD, 32,
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}
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Method(_STA, 0, NotSerialized) {
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Store(VEND, Local0)
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Store(PRD, Local1)
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ShiftRight(Local0, 16, Local0)
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If (LOr(LEqual(Local0, 0), LEqual(Local0, 0xffff))) {
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Return (0x0)
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}
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If (LOr(LEqual(Local1, 0), LGreater(Local1, 100000000))) {
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Return (0x0)
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}
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Return (0x0f)
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}
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Name(_CRS, ResourceTemplate() {
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Memory32Fixed(ReadOnly,
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0xfed00000, /* Address Base */
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0x00000400, /* Address Length */
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)
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})
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}
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}
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