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>
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@ -33,6 +33,10 @@ chip soc/intel/xeon_sp/cpx
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# configure PSTATE_REQ_RATIO for MSR_IA32_PERF_CTRL
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register "pstate_req_ratio" = "0xa"
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# configure VT-d
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register "vtd_support" = "1"
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register "x2apic" = "1"
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register "gen1_dec" = "0x00fc0601" # BIC in-band update support
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register "gen2_dec" = "0x000c0ca1" # IPMI KCS
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