kernelconfig_penguin
CONFIG_AT91_EARLY_USART1 is not available for the default architecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_AT91_EARLY_USART1.
Result is shown for kernelversion 3.4.99

USART1

configname: CONFIG_AT91_EARLY_USART1

Select a UART for early kernel messages
└─> USART1