CONFIG_DEBUG_PXA_UART1 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Use PXA UART1 for low-level debug
configname: CONFIG_DEBUG_PXA_UART1
Kernel low-level debugging port
└─>Use PXA UART1 for low-level debug
In linux kernel since version 3.1 (release Date: 2011-10-24)
Say Y here if you want kernel low-level debugging support
on PXA UART1.
on PXA UART1.