From fe588985f2e9a9ba4c2839f5e65c3f69d96751b3 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 1 May 2018 11:54:29 -0600 Subject: 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 Reviewed-on: https://review.coreboot.org/25967 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/mainboard/google/kahlee/Kconfig | 1 + src/mainboard/google/kahlee/variants/grunt/devicetree.cb | 7 ++++++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/src/mainboard/google/kahlee/Kconfig b/src/mainboard/google/kahlee/Kconfig index 22925f4eb9..24881b57d0 100644 --- a/src/mainboard/google/kahlee/Kconfig +++ b/src/mainboard/google/kahlee/Kconfig @@ -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 diff --git a/src/mainboard/google/kahlee/variants/grunt/devicetree.cb b/src/mainboard/google/kahlee/variants/grunt/devicetree.cb index cfc3198b25..151d902e0c 100644 --- a/src/mainboard/google/kahlee/variants/grunt/devicetree.cb +++ b/src/mainboard/google/kahlee/variants/grunt/devicetree.cb @@ -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 -- cgit v1.2.3