From 7bcef3a40699df06e54a2c835412c2c92d14e386 Mon Sep 17 00:00:00 2001 From: Patrick Rudolph Date: Wed, 12 Aug 2020 07:38:01 +0200 Subject: mb/prodrive/hermes: Enable LPSS ACPI driver Enable the introduced LPSS ACPI uart driver. Tested on Hermes using Linux 5.6: The UART2 appears as /dev/ttyS2. Change-Id: Ic15be4a807012216e52c848120de7e39522f57b7 Signed-off-by: Patrick Rudolph Reviewed-on: https://review.coreboot.org/c/coreboot/+/44411 Tested-by: build bot (Jenkins) Reviewed-by: Angel Pons --- src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'src/mainboard/prodrive/hermes') diff --git a/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb b/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb index d1694dce5a..c3d148d4c1 100644 --- a/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb +++ b/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb @@ -176,8 +176,11 @@ chip soc/intel/cannonlake # This device does not have any function on CNP-H, but it needs # to be here so that the resource allocator is aware of UART 2. device pci 19.0 hidden end - device pci 19.2 hidden end # UART #2, in ACPI mode - + chip soc/intel/common/block/uart + device pci 19.2 hidden + register "devid" = "PCI_DEVICE_ID_INTEL_CNP_H_UART2" + end # UART #2, in ACPI mode + end device pci 1b.4 on smbios_slot_desc "SlotTypePciExpressGen3X16" "SlotLengthOther" "SLOT1" "SlotDataBusWidth4X" end # PCIe Slot 1 -- cgit v1.2.3