From a0426b6d93d82d9c0339d8a882c1acbb1b10e7e8 Mon Sep 17 00:00:00 2001 From: Subrata Banik Date: Wed, 15 May 2024 09:08:29 +0000 Subject: [PATCH] mb/google/rex: Enable VPU device for Rex/Ovis baseboard This patch enables the Versatile Processing Unit (VPU) by default for Rex/Ovis baseboard. VPU is a dedicated AI engine that is included in the 14th generation "Meteor Lake" Core processors. The VPU is designed to efficiently run AI models directly on the system on chip (SoC). There is no power regression observed while keeping the VPU default enabled to run AI models natively hence, this patch enables the VPU by default. BUG=b:332488817 TEST=Able to see VPU PCI device in lspci (0:11:0) list after booting google/screebo to OS. Change-Id: I8b3521c8ec613b002f971eaf9d346927fe8cd656 Signed-off-by: Subrata Banik Reviewed-on: https://review.coreboot.org/c/coreboot/+/82422 Tested-by: build bot (Jenkins) Reviewed-by: Sumeet R Pawnikar Reviewed-by: Angel Pons Reviewed-by: Jamie Ryu Reviewed-by: Dinesh Gehlot Reviewed-by: Eric Lai --- src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb | 1 + src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb | 1 + 2 files changed, 2 insertions(+) diff --git a/src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb b/src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb index aace5adcf4..7cb10d278c 100644 --- a/src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb +++ b/src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb @@ -86,6 +86,7 @@ chip soc/intel/meteorlake device domain 0 on device ref igpu on end device ref dtt on end + device ref vpu on end device ref ioe_shared_sram on end device ref xhci on end device ref pmc_shared_sram on end diff --git a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb index 58c1719b48..1a80e2aecb 100644 --- a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb +++ b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb @@ -97,6 +97,7 @@ chip soc/intel/meteorlake device domain 0 on device ref igpu on end device ref dtt on end + device ref vpu on end device ref ioe_shared_sram on end device ref xhci on end device ref pmc_shared_sram on end