Simon Glass 21d004368f serial: ns16550: Support debug UART ...

Add debug UART functions to permit ns16550 to provide an early debug UART.
Try to avoid using the stack so that this can be called from assembler before
a stack is set up (at least on ARM and PowerPC).

Signed-off-by: Simon Glass <sjg@chromium.org>

2015-02-19 06:20:28 -07:00

2.4 KiB

Raw Blame History

View Raw