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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 <jonzhang@fb.com>
Change-Id: I7d76cd9d50d3e69a4919de281f11d30851bffa3f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44281
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Maxim Polyakov <max.senia.poliak@gmail.com>
This commit is contained in:
Jonathan Zhang 2020-08-11 17:12:03 -07:00 committed by Angel Pons
parent d2718c9381
commit 0921cb792d
1 changed files with 4 additions and 0 deletions
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src/mainboard/ocp/deltalake/devicetree.cb
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@ -33,6 +33,10 @@ chip soc/intel/xeon_sp/cpx
# configure PSTATE_REQ_RATIO for MSR_IA32_PERF_CTRL # configure PSTATE_REQ_RATIO for MSR_IA32_PERF_CTRL
register "pstate_req_ratio" = "0xa" 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 "gen1_dec" = "0x00fc0601" # BIC in-band update support
register "gen2_dec" = "0x000c0ca1" # IPMI KCS register "gen2_dec" = "0x000c0ca1" # IPMI KCS