mb/amd/majolica:Enable IOMMU Device for majolica
Enable IOMMU PCIe device.
BUG=b:194173037
TEST=lspci shows IOMMU device
00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Device 1631
Cq-Depend: chrome-internal:4027293,chrome-internal:4027294
Signed-off-by: Jason Glenesk <jason.glenesk@amd.corp-partner.google.com>
Change-Id: Ia84276ca98163158d818a0efc3e021b93ab365de
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56771
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
GitOrigin-RevId: 2cdcc254c8d9fc9d08fd4e351872001efb894e2c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/3075523
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Tested-by: Nick Vaccaro <nvaccaro@google.com>
Commit-Queue: Paul Fagerburg <pfagerburg@chromium.org>
diff --git a/src/mainboard/amd/majolica/devicetree.cb b/src/mainboard/amd/majolica/devicetree.cb
index 5e9d971..7bb0db1 100644
--- a/src/mainboard/amd/majolica/devicetree.cb
+++ b/src/mainboard/amd/majolica/devicetree.cb
@@ -24,6 +24,7 @@
register "pspp_policy" = "DXIO_PSPP_BALANCED"
device domain 0 on
+ device ref iommu on end
device ref gpp_gfx_bridge_0 on end # MXM
device ref gpp_bridge_0 on end # NVMe
device ref gpp_bridge_1 on end
