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serial: ns16550: Support debug UART
authorSimon Glass <sjg@chromium.org>
Tue, 27 Jan 2015 01:27:09 +0000 (18:27 -0700)
committerLothar Waßmann <LW@KARO-electronics.de>
Tue, 1 Sep 2015 11:53:52 +0000 (13:53 +0200)
commit61c0292d0b600448e3ec51bcf4c611fb4c39a3e2
treef23479e5d82983e7679f797ad1903ad7aad87ed5tree | snapshot
parent92b8e39058e78d29632f6edf7c5cadb91d5c9431commit | diff
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>
drivers/serial/Kconfig diff | blob | history
drivers/serial/ns16550.c diff | blob | history
UBoot for KaRo TX COM modules