tree 46596b47bc6abb601b17bfdfd821ca284512f968
parent b2b18e10643328da2df1d21e4a63de5d237adb26
author Sukumar Ghorai <sukumar.ghorai@intel.com> 1688682212 -0700
committer Felix Held <felix-coreboot@felixheld.de> 1689171054 +0000

mb/{google, intel}: Enable PCH Energy Reporting for MTL platforms

This patch enables PCH to CPU energy report feature which can be used
by Intel Telemetry Driver.

BUG=b:269563588
TEST=Able to build and boot google/rex and perform below check to ensure
     the energy reporting is correct

w/o this cl:
 # lspci -s 00:14.2 -vvv | grep "Region 0"
    Region 0: Memory at 957f8000 (64-bit, non-prefetchable) [size=16K]
 # iotools mmio_read32 0x957f8068 #i.e., 104th offset
   0xXXXX0000

w/ this cl:
 #lspci -s 00:14.2 -vvv | grep "Region 0"
   Region 0: Memory at 957f8000 (64-bit, non-prefetchable) [size=16K]
 # iotools mmio_read32 0x957f8068 #i.e., 104th offset
  0xXXXXfc004

Change-Id: I9bd4625ea311a05071878aaec68433a1ba018c0d
Signed-off-by: Sukumar Ghorai <sukumar.ghorai@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76353
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sridhar Siricilla <sridhar.siricilla@intel.com>