kernelconfig_penguin
CONFIG_AT91_DEBUG_LL_DBGU1 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_DEBUG_LL_DBGU1.
Result is shown for kernelversion 4.3.6

Kernel low-level debugging on 9263, 9g45 and sama5d3

configname: CONFIG_AT91_DEBUG_LL_DBGU1

Kernel low-level debugging port
└─> Kernel low-level debugging on 9263, 9g45 and sama5d3