diff options
Diffstat (limited to 'src/acpi-dsdt-hpet.dsl')
-rw-r--r-- | src/acpi-dsdt-hpet.dsl | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/acpi-dsdt-hpet.dsl b/src/acpi-dsdt-hpet.dsl new file mode 100644 index 0000000..06ec7a3 --- /dev/null +++ b/src/acpi-dsdt-hpet.dsl @@ -0,0 +1,36 @@ +/**************************************************************** + * HPET + ****************************************************************/ + + Scope(\_SB) { + Device(HPET) { + Name(_HID, EISAID("PNP0103")) + Name(_UID, 0) + OperationRegion(HPTM, SystemMemory , 0xFED00000, 0x400) + Field(HPTM, DWordAcc, Lock, Preserve) { + VEND, 32, + PRD, 32, + } + Method (_STA, 0, NotSerialized) { + Store (VEND, Local0) + Store (PRD, Local1) + ShiftRight(Local0, 16, Local0) + If (LOr (LEqual(Local0, 0), LEqual(Local0, 0xffff))) { + Return (0x0) + } + If (LOr (LEqual(Local1, 0), LGreater(Local1, 100000000))) { + Return (0x0) + } + Return (0x0F) + } + Name(_CRS, ResourceTemplate() { + IRQNoFlags () {2, 8} + Memory32Fixed (ReadOnly, + 0xFED00000, // Address Base + 0x00000400, // Address Length + ) + }) + } + } + + |