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authorSowmya <v.sowmya@intel.com>2017-03-16 19:09:22 +0530
committerMartin Roth <martinroth@google.com>2017-04-19 16:17:57 +0200
commit929f5e955eb0742068230757aa859315da3900ef (patch)
tree183f8edb0efed893bcaf8603ca4c1e725518b762 /src
parent4d9fafa3a9be3574945f26e58cd96a1720386197 (diff)
downloadcoreboot-929f5e955eb0742068230757aa859315da3900ef.tar.xz
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 <v.sowmya@intel.com> Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com> Reviewed-on: https://review.coreboot.org/18968 Tested-by: build bot (Jenkins) Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src')
-rw-r--r--src/soc/intel/skylake/acpi/ipu.asl32
1 files changed, 32 insertions, 0 deletions
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)
+}