/* SPDX-License-Identifier: GPL-2.0-only */ #include <arch/hpet.h> /**************************************************************** * HPET ****************************************************************/ Scope(\_SB) { Device(HPET) { Name(_HID, EISAID("PNP0103")) Name(_UID, 0) OperationRegion(HPTM, SystemMemory, HPET_BASE_ADDRESS, 0x400) Field(HPTM, DWordAcc, Lock, Preserve) { VEND, 32, PRD, 32, } Method(_STA, 0, NotSerialized) { Local0 = VEND Local1 = PRD Local0 >>= 16 If ((Local0 == 0) || (Local0 == 0xffff)) { Return (0x0) } If ((Local1 == 0) || (Local1 > 100000000)) { Return (0x0) } Return (0x0F) } Name(_CRS, ResourceTemplate() { Memory32Fixed(ReadOnly, HPET_BASE_ADDRESS, // Address Base 0x00000400, // Address Length ) }) } }