arch/arm/Kconfig.debug

110 # These options are only for real kernel hackers who want to get their hands dirty.
141 		  their output to an UART or USART port on asm9260 based
199 		  their output to the USART1 port on SAMV7 based
256 		  their output to the third serial port on these devices.
286 		  their output to the first serial port on these devices. The
298 		  their output to the first serial port on these devices.
305 		  their output to the second serial port on these devices.
313 		  their output to UART1 serial port on DaVinci DA8XX devices.
321 		  their output to UART2 serial port on DaVinci DA8XX devices.
328 		  their output to the serial port in the DC21285 (Footbridge).
335 		  their output to the UA0 serial port in the CX92755.
351 		  their output to the 8250 at PCI COM1.
375 		  their output to the UART on Highbank based devices.
522 		  their output to UART0 serial port on KEYSTONE2 devices.
530 		  their output to UART1 serial port on KEYSTONE2 devices.
790 		  their output to the serial port on Qualcomm devices.
809 		  their output to the serial port on RealView EB, PB11MP, PBA8
818 		  their output to the standard serial port on the RealView
1011 		  their output to UART 0. The port must have been initialised
1022 		  their output to UART 1. The port must have been initialised
1033 		  their output to UART 2. The port must have been initialised
1044 		  their output to UART 3. The port must have been initialised
1335 		  their output to UART0 on the Zynq platform.
1342 		  their output to UART1 on the Zynq platform.
1351 		  their output to the EmbeddedICE macrocell's DCC channel using
1378 		  their output to an 8250 UART.  You can use this option
1391 		  their output to a PL01x Primecell UART.  You can use