[U-Boot] [U-Boot, v2] serial: pl01x: Add support for devices with the rate pre-configured.

[Tom Rini]

On Sun, Mar 13, 2016 at 06:16:54PM -0700, Eric Anholt wrote:

> For Raspberry Pi, we had the input clock rate to the pl011 fixed in
> the rpi.c file, but it may be changed by firmware due to user changes
> to config.txt.  Since the firmware always sets up the uart (default
> 115200 output unless the user changes it), we can just skip our own
> uart init to simplify the boot process and more reliably get serial
> output.
> 
> Signed-off-by: Eric Anholt <eric at anholt.net>
> Reviewed-by: Tom Rini <trini at konsulko.com>
> Tested-by: Stephen Warren <swarren at wwwdotorg.org>

Applied to u-boot/master, thanks!

-- 
Tom
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