Patrick Rudolph has submitted this change. ( https://review.coreboot.org/c/coreboot/+/44411 )
Change subject: mb/prodrive/hermes: Enable LPSS ACPI driver ......................................................................
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 --- M src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb 1 file changed, 5 insertions(+), 2 deletions(-)
Approvals: build bot (Jenkins): Verified Angel Pons: Looks good to me, approved
diff --git a/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb b/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb index d1694dc..c3d148d 100644 --- a/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb +++ b/src/mainboard/prodrive/hermes/variants/baseboard/overridetree.cb @@ -176,8 +176,11 @@ # 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