[U-Boot] [U-Boot, v5, 14/18] serial: MediaTek: add high-speed uart driver for MediaTek SoCs

Tom Rini trini at konsulko.com
Thu Nov 29 14:21:10 UTC 2018


On Thu, Nov 15, 2018 at 10:08:02AM +0800, Ryder Lee wrote:

> Many SoCs from MediaTek have a high-speed uart. This UART is compatible
> with the ns16550 in legacy mode. It has extra registers for high-speed
> mode which can reach a maximum baudrate at 921600.
> 
> However this UART will no longer be compatible if it's in high-speed mode.
> Some BootROM of MediaTek's SoCs will change the UART into high-speed mode
> and the U-Boot must use this driver to initialize the UART.
> 
> Signed-off-by: Weijie Gao <weijie.gao at mediatek.com>
> Tested-by: Ryder Lee <ryder.lee at mediatek.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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