serial: atmel_usart: Support enable an early debug UART
authorWenyou Yang <wenyou.yang@atmel.com>
Mon, 17 Oct 2016 01:49:55 +0000 (09:49 +0800)
committerAndreas Bießmann <andreas@biessmann.org>
Fri, 28 Oct 2016 16:37:15 +0000 (18:37 +0200)
commit998cf3c2becb933a87d001c24193911e64dc8b6a
tree92ac79c427d420545cf731d77f122924092259c6
parent6ec739aa525bb238acdd428042a11183ce4be3c4
serial: atmel_usart: Support enable an early debug UART

Add support to enable an early debug UART for debugging.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
drivers/serial/Kconfig
drivers/serial/atmel_usart.c