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mb/google/kahlee/variants/grunt: Enable BayHub720 driver 

Enable this driver along with power saving.

BUG=b:73726008
BRANCH=none
TEST=boot and see this message:
BayHub BH720: Power-saving enabled 110103
From linux:
$ iotools pci_read32 2 0 0 0x90
0x00110103

Change-Id: I850e923f73e01fe629d66ad61b65afa58035845c
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-on: https://review.coreboot.org/25967
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Simon Glass 2018-05-01 11:54:29 -06:00 committed by Martin Roth
parent 38d875f387
commit fe588985f2
2 changed files with 7 additions and 1 deletions
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1
src/mainboard/google/kahlee/Kconfig
View File

@ -36,6 +36,7 @@ config BOARD_GOOGLE_BASEBOARD_KAHLEE
select SOC_AMD_PSP_SELECTABLE_SMU_FW
select SOC_AMD_SMU_FANLESS
select HAVE_ACPI_RESUME
select DRIVERS_GENERIC_BH720 if BOARD_GOOGLE_GRUNT
if BOARD_GOOGLE_BASEBOARD_KAHLEE

7
src/mainboard/google/kahlee/variants/grunt/devicetree.cb
View File

@ -62,7 +62,12 @@ chip soc/amd/stoneyridge
device pci 2.1 on end #
device pci 2.2 on end #
device pci 2.3 on end #
device pci 2.4 on end #
device pci 2.4 on
chip drivers/generic/bayhub
register "power_saving" = "1"
device pci 00.0 on end
end
end #
device pci 2.5 on end #
device pci 8.0 on end # PSP
device pci 9.0 on end # PCIe Host Bridge