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authorFurquan Shaikh <furquan@google.com>2021-08-24 13:42:05 -0700
committerFurquan Shaikh <furquan@google.com>2021-09-13 22:42:55 +0000
commitbee831e95805a963c17a2bba186ce7babd3b92bf (patch)
tree05221c2a5bcba5503f6b93d64ef461b5c5cf976c /src/drivers/amd
parent8edbba4cc48ea42978cd95de015170288b86c3c3 (diff)
soc/intel/tgl: Enable USB4 resources based on common Kconfig
Intel TGL BIOS specification (doc ##611569) Revision 0.7.6 Section 7.2.5.1.5 recommends reserving the following resources for each PCIe USB4 root port: - 42 buses - 194 MiB Non-prefetchable memory - 448 MiB Prefetchable memory This change enables reserving of resources for USB4 when mainboard selects the newly added Kconfig SOC_INTEL_ENABLE_USB4_PCIE_RESOURCES. This is similar to the change for ADL in commit 8d11cdc6fa ("soc/intel/alderlake: Add Kconfig for recommended PCIe TBT resources"). Change-Id: I25ec3f74ebd5727fa4b13f5a3b11050f77ecb008 Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/57125 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
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