| /* 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 |
| ) |
| }) |
| } |
| } |