From 7fb5bf8893fe311a9ce33f9125b2e111952092c7 Mon Sep 17 00:00:00 2001 From: Harsha B R Date: Fri, 16 Dec 2022 12:47:55 +0530 Subject: mb/intel/mtlrvp: Add configuration for UART devices This patch adds below configuration for MTL-RVP UART devices, Interface -> UART0 PCI -> 0:0x1e:0 Device -> AP UART BUG=b:224325352 TEST=Able to build with the patch and boot the mtlrvp ito chromeOS using subsequent patches in the train. UART logs appear on AP console. Signed-off-by: Harsha B R Change-Id: I4702d603aa49357f4db0d18d646e536d9d81787e Signed-off-by: Jamie Ryu Reviewed-on: https://review.coreboot.org/c/coreboot/+/70873 Reviewed-by: Eric Lai Reviewed-by: Krishna P Bhat D Tested-by: build bot (Jenkins) Reviewed-by: Subrata Banik --- src/mainboard/intel/mtlrvp/Kconfig | 8 ++++++++ .../intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb | 6 ++++++ 2 files changed, 14 insertions(+) diff --git a/src/mainboard/intel/mtlrvp/Kconfig b/src/mainboard/intel/mtlrvp/Kconfig index a571bb50dc..349e9de0f0 100644 --- a/src/mainboard/intel/mtlrvp/Kconfig +++ b/src/mainboard/intel/mtlrvp/Kconfig @@ -22,6 +22,10 @@ config CHROMEOS select GBB_FLAG_DISABLE_PD_SOFTWARE_SYNC select HAS_RECOVERY_MRC_CACHE +config BOARD_SPECIFIC_OPTIONS + def_bool y + select INTEL_LPSS_UART_FOR_CONSOLE + config MAINBOARD_DIR default "intel/mtlrvp" @@ -81,4 +85,8 @@ endchoice config VBOOT select VBOOT_LID_SWITCH +config UART_FOR_CONSOLE + int + default 0 + endif # BOARD_INTEL_MTLRVP_COMMON diff --git a/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb b/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb index 10b4cea335..d28b7b1970 100644 --- a/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb +++ b/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb @@ -11,6 +11,12 @@ chip soc/intel/meteorlake # EC memory map range is 0x900-0x9ff register "gen3_dec" = "0x00fc0901" + register "serial_io_uart_mode" = "{ + [PchSerialIoIndexUART0] = PchSerialIoPci, + [PchSerialIoIndexUART1] = PchSerialIoDisabled, + [PchSerialIoIndexUART2] = PchSerialIoDisabled, + }" + device domain 0 on device ref igpu on end device ref heci1 on end -- cgit v1.2.3