diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c index cce5923f0b..0e6512c675 100644 --- a/arch/x86/cpu/ivybridge/cpu.c +++ b/arch/x86/cpu/ivybridge/cpu.c @@ -340,3 +340,10 @@ int print_cpuinfo(void) return 0; } + +void board_debug_uart_init(void) +{ + /* This enables the debug UART */ + pci_x86_write_config(NULL, PCH_LPC_DEV, LPC_EN, COMA_LPC_EN, + PCI_SIZE_16); +} diff --git a/configs/chromebook_link_defconfig b/configs/chromebook_link_defconfig index fbecf8bea9..78a9470622 100644 --- a/configs/chromebook_link_defconfig +++ b/configs/chromebook_link_defconfig @@ -22,6 +22,10 @@ CONFIG_CROS_EC_LPC=y CONFIG_SPI_FLASH=y CONFIG_DM_PCI=y CONFIG_DM_RTC=y +CONFIG_DEBUG_UART=y +CONFIG_DEBUG_UART_BASE=0x3f8 +CONFIG_DEBUG_UART_CLOCK=1843200 +CONFIG_DEBUG_UART_BOARD_INIT=y CONFIG_DM_TPM=y CONFIG_TPM_TIS_LPC=y CONFIG_VIDEO_VESA=y