From 92b487dd4b842b5bb614d4e525b0f32bde1d8ca1 Mon Sep 17 00:00:00 2001 From: Ravi Sarawadi Date: Wed, 29 Nov 2017 16:11:32 -0800 Subject: [PATCH] soc/intel/apollolake: select NO_UART_ON_SUPERIO If not, legacy COM ports will be enumerated by kernel and console will not work. localhost ~ # cat /proc/tty/driver/serial serinfo:1.0 driver revision: 0: uart:16550A port:000003F8 irq:4 tx:0 rx:0 1: uart:16550A mmio:0xC112D000 irq:4 tx:764 rx:0 RTS|DTR 2: uart:16550A mmio:0xC112F000 irq:6 tx:0 rx:0 3: uart:unknown port:000002E8 irq:3 With this fix: 0: uart:16550A mmio:0xC112D000 irq:4 tx:0 rx:0 1: uart:16550A mmio:0xC112F000 irq:6 tx:858 rx:42 RTS|DTR 2: uart:unknown port:000003E8 irq:4 3: uart:unknown port:000002E8 irq:3 Change-Id: Iac5bf65900e090d4e785e0cd828272ebff209458 Signed-off-by: Ravi Sarawadi Reviewed-on: https://review.coreboot.org/23219 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin Reviewed-by: Furquan Shaikh --- src/soc/intel/apollolake/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/src/soc/intel/apollolake/Kconfig b/src/soc/intel/apollolake/Kconfig index 2d5363d6b9..bd6f645c79 100644 --- a/src/soc/intel/apollolake/Kconfig +++ b/src/soc/intel/apollolake/Kconfig @@ -101,6 +101,7 @@ config CPU_SPECIFIC_OPTIONS select HAVE_HARD_RESET select INTEL_GMA_ADD_VBT_DATA_FILE if RUN_FSP_GOP select HAVE_FSP_GOP + select NO_UART_ON_SUPERIO config CHROMEOS select CHROMEOS_RAMOOPS_DYNAMIC