From 0921cb792db35089ddad5c5752726b922deae265 Mon Sep 17 00:00:00 2001 From: Jonathan Zhang Date: Tue, 11 Aug 2020 17:12:03 -0700 Subject: [PATCH] mb/ocp/deltalake: enable VT-d Update devicetree.cb to configure VT-d to be enabled. TESTED=booted on DeltaLake config A server, and verify DMAR table. Signed-off-by: Jonathan Zhang Change-Id: I7d76cd9d50d3e69a4919de281f11d30851bffa3f Reviewed-on: https://review.coreboot.org/c/coreboot/+/44281 Tested-by: build bot (Jenkins) Reviewed-by: Angel Pons Reviewed-by: Maxim Polyakov --- src/mainboard/ocp/deltalake/devicetree.cb | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/mainboard/ocp/deltalake/devicetree.cb b/src/mainboard/ocp/deltalake/devicetree.cb index 24a2850fc9..1773f9f7b8 100644 --- a/src/mainboard/ocp/deltalake/devicetree.cb +++ b/src/mainboard/ocp/deltalake/devicetree.cb @@ -33,6 +33,10 @@ chip soc/intel/xeon_sp/cpx # configure PSTATE_REQ_RATIO for MSR_IA32_PERF_CTRL register "pstate_req_ratio" = "0xa" + # configure VT-d + register "vtd_support" = "1" + register "x2apic" = "1" + register "gen1_dec" = "0x00fc0601" # BIC in-band update support register "gen2_dec" = "0x000c0ca1" # IPMI KCS