CONFIG_DEBUG_RMOBILE_SCIFA1 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Kernel low-level debugging messages via SCIFA1 on R8A7740
configname: CONFIG_DEBUG_RMOBILE_SCIFA1
Kernel low-level debugging port
└─>Kernel low-level debugging messages via SCIFA1 on R8A7740
In linux kernel since version 3.19 (release Date: 2015-02-08)
Say Y here if you want kernel low-level debugging support
via SCIFA1 on Renesas R-Mobile A1 (R8A7740).
via SCIFA1 on Renesas R-Mobile A1 (R8A7740).