From 70a2ddc5ac6c8f7d49b9bc2075373772286faf7b Mon Sep 17 00:00:00 2001 From: "Tan, Lean Sheng" Date: Wed, 26 Aug 2020 01:33:04 -0700 Subject: soc/intel/elkhartlake/acpi: Copy acpi directory from jasperlake Clone entirely from Jasperlake List of changes on top off initial jasperlake clone 1. Rename from jasperlake to elkhartlake 2. Remove irelevant devices asls (ipu,ish,camera clock,gpio_op) Signed-off-by: Tan, Lean Sheng Change-Id: I5e77081d1673cc0ca97edc63e9996c045ab6e9b0 Reviewed-on: https://review.coreboot.org/c/coreboot/+/44812 Reviewed-by: Werner Zeh Tested-by: build bot (Jenkins) --- src/soc/intel/elkhartlake/acpi/pch_hda.asl | 68 ++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 src/soc/intel/elkhartlake/acpi/pch_hda.asl (limited to 'src/soc/intel/elkhartlake/acpi/pch_hda.asl') diff --git a/src/soc/intel/elkhartlake/acpi/pch_hda.asl b/src/soc/intel/elkhartlake/acpi/pch_hda.asl new file mode 100644 index 0000000000..340c76528d --- /dev/null +++ b/src/soc/intel/elkhartlake/acpi/pch_hda.asl @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* Audio Controller - Device 31, Function 3 */ + +Device (HDAS) +{ + Name (_ADR, 0x001f0003) + Name (_DDN, "Audio Controller") + Name (UUID, ToUUID ("A69F886E-6CEB-4594-A41F-7B5DCE24C553")) + + /* Device is D3 wake capable */ + Name (_S0W, 3) + + /* NHLT Table Address populated from GNVS values */ + Name (NBUF, ResourceTemplate () { + QWordMemory (ResourceConsumer, PosDecode, MinFixed, + MaxFixed, NonCacheable, ReadOnly, + 0, 0, 0, 0, 1,,, NHLT, AddressRangeACPI) + }) + + /* + * Device Specific Method + * Arg0 - UUID + * Arg1 - Revision + * Arg2 - Function Index + */ + Method (_DSM, 4) + { + If (Arg0 == ^UUID) { + /* + * Function 0: Function Support Query + * Returns a bitmask of functions supported. + */ + If (Arg2 == Zero) { + /* + * NHLT Query only supported for revision 1 and + * if NHLT address and length are set in NVS. + */ + If ((Arg1 == One) && ((NHLA != Zero) && (NHLL != Zero))) { + Return (Buffer (One) { 0x03 }) + } Else { + Return (Buffer (One) { 0x01 }) + } + } + + /* + * Function 1: Query NHLT memory address used by + * Intel Offload Engine Driver to discover any non-HDA + * devices that are supported by the DSP. + * + * Returns a pointer to NHLT table in memory. + */ + If (Arg2 == One) { + CreateQWordField (NBUF, ^NHLT._MIN, NBAS) + CreateQWordField (NBUF, ^NHLT._MAX, NMAS) + CreateQWordField (NBUF, ^NHLT._LEN, NLEN) + + NBAS = NHLA + NMAS = NHLA + NLEN = NHLL + + Return (NBUF) + } + } + + Return (Buffer (One) { 0x00 }) + } +} -- cgit v1.2.3