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authorJason Glenesk <Jason.Glenesk@gmail.com>2022-06-16 21:46:12 -0700
committerRaul Rangel <rrangel@chromium.org>2022-06-22 15:06:36 +0000
commite212bdba67e25ded07b0f021fe51f3ceae0a24c0 (patch)
tree51502a1fe5b2465632c6396744721799d6ee8c45
parent5f92ed897af75109c3b272a68619ce82fc610b57 (diff)
mb/google/skyrim/variants/baseboard: enable iommu
With IOMMU disabled, kernel complains that 'IOMMUv2 functionality not available on this system'. Enable iommu in devicetree for skyrim proto board in order to allow kernel to load and initialize IOMMUv2. BUG=b:232750390 TEST=Boot to Chrome OS on skyrim board, and grep dmesg for "AMD IOMMUv2 loaded and initialized" Change-Id: I2f10f5eda8083335619a34c44df253b8e5a8572c Signed-off-by: Jason Glenesk <Jason.Glenesk@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/65190 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com> Reviewed-by: Paul Menzel <paulepanter@mailbox.org> Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
-rw-r--r--src/mainboard/google/skyrim/variants/baseboard/devicetree.cb1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
index 71db179920..3b7a6013ca 100644
--- a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
@@ -69,6 +69,7 @@ chip soc/amd/sabrina
device pci 00.0 on end
end
end
+ device ref iommu on end
device ref gpp_bridge_1 on end # SD
device ref gpp_bridge_2 on end # NVMe