[U-Boot] [U-Boot, 1/2] serial/ns16550: add an option to avoid hanging on broken platforms

[Tom Rini]

On Mon, Jan 07, 2013 at 01:35:20AM -0000, Javier Martinez Canillas wrote:

> Some platforms (e.g. IGEPv2 board) has a broken ns16550 UART that
> does not set the TEMT bit when the transmitter is empty in SPL.
> This makes U-Boot to hang while waiting for TEMT to be set.
> 
> Add a new option to avoid this:
> 
> CONFIG_SYS_NS16550_BROKEN_TEMT
> 
> 16550 UART set the Transmitter Empty (TEMT) Bit when all output
> has finished and the transmitter is totally empty. U-Boot waits
> for this bit to be set to initialize the serial console. On some
> broken platforms this bit is not set in SPL making U-Boot to
> hang while waiting for TEMT. Define this option to avoid it.
> 
> Signed-off-by: Javier Martinez Canillas <javier.martinez at collabora.co.uk>

Applied to u-boot-ti/master, thanks!

-- 
Tom
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