From 929f5e955eb0742068230757aa859315da3900ef Mon Sep 17 00:00:00 2001 From: Sowmya Date: Thu, 16 Mar 2017 19:09:22 +0530 Subject: soc/intel/skylake: Add ASL entries for IMGU and CIO2 devices Add ASL entries for IMGU and CIO2 devices * _CCA ACPI object to report that there is no Cache Coherent DMA support. * CAMD ACPI object to specify the device type. These ACPI objects are used by Intel kernel drivers. BUG=b:36580624 BRANCH=none TEST=Build and boot poppy. Dump and verify that DSDT table has the entries for IMGU and CIO2 devices. Change-Id: I13050253e18408cdb1e196f8003b3f43299aa5a5 Signed-off-by: Sowmya V Signed-off-by: Rizwan Qureshi Reviewed-on: https://review.coreboot.org/18968 Tested-by: build bot (Jenkins) Reviewed-by: Sumeet R Pawnikar Reviewed-by: Furquan Shaikh Reviewed-by: Paul Menzel --- src/soc/intel/skylake/acpi/ipu.asl | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 src/soc/intel/skylake/acpi/ipu.asl (limited to 'src') diff --git a/src/soc/intel/skylake/acpi/ipu.asl b/src/soc/intel/skylake/acpi/ipu.asl new file mode 100644 index 0000000000..891c40ce34 --- /dev/null +++ b/src/soc/intel/skylake/acpi/ipu.asl @@ -0,0 +1,32 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2017 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* IPU3 input system - Device 05, Function 0 */ +Device (IMGU) +{ + Name (_ADR, 0x00050000) + Name (_DDN, "Imaging Unit") + Name (_CCA, ZERO) + Name (CAMD, 0x01) +} + +/* IPU3 processing system - Device 14, Function 3 */ +Device (CIO2) +{ + Name (_ADR, 0x00140003) + Name (_DDN, "Camera and Imaging Subsystem") + Name (_CCA, ZERO) + Name (CAMD, 0x00) +} -- cgit v1.2.3