Rizwan Qureshi (rizwan.qureshi@intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18512
-gerrit
commit 7dac809b0581dd65568009cf057635a6a673861e Author: Rizwan Qureshi rizwan.qureshi@intel.com Date: Mon Feb 27 21:12:41 2017 +0530
mb/google/poppy:[TESTONLY] report IMGU and CIO2 devices do not support Cache Coherent DMA
report IMGU and CIO2 devices do not support Cache Coherent DMA via _CCA ACPI object.
Change-Id: I177cca42174fcb0bcc095088df30768b637f42df Signed-off-by: Rizwan Qureshi rizwan.qureshi@intel.com --- src/mainboard/google/poppy/dsdt.asl | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/src/mainboard/google/poppy/dsdt.asl b/src/mainboard/google/poppy/dsdt.asl index 2007691..4f8e645 100644 --- a/src/mainboard/google/poppy/dsdt.asl +++ b/src/mainboard/google/poppy/dsdt.asl @@ -36,6 +36,23 @@ DefinitionBlock(
Scope (_SB) { + + /* Imaging Unit - Device 05, Function 0 */ + + Device (IMGU) + { + Name (_ADR, 0x00050000) + Name (_DDN, "Imaging Unit") + Name (_CCA, ZERO) + } + + Device (CIO2) + { + Name (_ADR, 0x0014003) + Name (_DDN, "Camera and Imaging Subsystem") + Name (_CCA, ZERO) + } + Device (PWRB) { Name (_HID, EisaId ("PNP0C0C"))