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authorKane Chen <kane.chen@intel.corp-partner.google.com>2023-07-06 16:05:42 +0800
committerSubrata Banik <subratabanik@google.com>2023-07-18 05:31:15 +0000
commitfa77ac93c5b63ab56135436cc34d97ab60b57470 (patch)
tree85ecdb7aa1328012963e5b14b02bad006d7e886b /configs
parentfadda4ae6b1614523e14326fbe98280ff0c19c64 (diff)
soc/intel/common/acpi: Support on/off PCIe CLK by P2SB
In the older platform such as Raptor Lake (RPL), Tiger Lake (TGL), it needs PMC IPC cmd to turn on/off the corresponding clock. Now on Meteor Lake (MTL), it control pcie clock registers on P2SB on IOE or SoC die. BUG=b:288976547, b:289461604 TEST=Test on google/screebo and found the pcie clock is on/off properly and sdcard pcie port doesn't block S0ix with RTD3 cold enabled. Change-Id: Ia729444b561daafc2dca0ed86c797eb98ce1f165 Signed-off-by: Kane Chen <kane.chen@intel.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/76347 Reviewed-by: Kapil Porwal <kapilporwal@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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