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authorJohn Zhao <john.zhao@intel.com>2020-06-07 09:20:01 -0700
committerDuncan Laurie <dlaurie@chromium.org>2020-06-10 17:27:02 +0000
commitf74aa649b1be2ea7e9d4e25d6072fb7dc7f9f903 (patch)
treeadf94f3fdf027c8a0a019cbc09222484e25a48e2 /src/mainboard/google/foster/Makefile.inc
parenta6e3b5ac093a4d9781fc83b75a14d1c47b92b6ef (diff)
soc/intel/tigerlake: Add Hot-Plug and PME event handlers for Thunderbolt
This change adds Hot-Plug and power management event handers(_L61 & _L69) respectively for Thunderbolt in the GPE scope. The _L61 method invokes sub-method HPEV to support Hot-Plug wake event from Thunderbolt PCIe root ports. This method intercepts Presence Detect Changed interrupt and make sure the L0s is disabled on empty slots. The _L69 method checks and clears root port's PME SCI status. BUG=b:156435065 TEST=Verified multiple hot plug successfully with Lenovo dock. Signed-off-by: John Zhao <john.zhao@intel.com> Change-Id: I022cf4aa3f2ee459b9dc87849494e10755d995c8 Reviewed-on: https://review.coreboot.org/c/coreboot/+/42149 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
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