[U-Boot] [PATCH v2 3/3] serial: ns16550: Support debug UART

[Simon Glass]

On 26 January 2015 at 18:27, Simon Glass <sjg at chromium.org> wrote:
> 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 at chromium.org>
> ---
>
> Changes in v2:
> - Split series out on its own
> - Add x86 support (asmlinkage, so it still needs a stack at present)
> - Add better cover letter

Applied to u-boot-dm.