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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 <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44411
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Patrick Rudolph 2020-08-12 07:38:01 +02:00 committed by Patrick Rudolph
parent 49ae596a59
commit 7bcef3a406
1 changed files with 5 additions and 2 deletions
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7
src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb
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@ -176,8 +176,11 @@ chip soc/intel/cannonlake
# This device does not have any function on CNP-H, but it needs # 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. # to be here so that the resource allocator is aware of UART 2.
device pci 19.0 hidden end 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 device pci 1b.4 on
smbios_slot_desc "SlotTypePciExpressGen3X16" "SlotLengthOther" "SLOT1" "SlotDataBusWidth4X" smbios_slot_desc "SlotTypePciExpressGen3X16" "SlotLengthOther" "SLOT1" "SlotDataBusWidth4X"
end # PCIe Slot 1 end # PCIe Slot 1