Subject: [PATCH] serial: 8250_early: Add earlycon support for Synopsys DesignWare ABP UART

From: [email-masked] (Kefeng Wang)
Date: Thu, 19 May 2016 09:45:33 +0800

+Cc Jon and arm-kernel mailist

Any comments, thanks.

Kefeng

On 2016/5/11 14:06, Kefeng Wang wrote:
> Some board like Hisilicon D02 uses Synopsys DesignWare ABP UART, declare an
> OF early console for it, so early console device can be enabled with comand
> line "earlycon"(without option) via the "stdout-path" property in device-tree.
> 
> Signed-off-by: Kefeng Wang <[email-masked]>
> ---
>  drivers/tty/serial/8250/8250_early.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c
> index 8d08ff5..85a12f0 100644
> --- a/drivers/tty/serial/8250/8250_early.c
> +++ b/drivers/tty/serial/8250/8250_early.c
> @@ -150,6 +150,7 @@ EARLYCON_DECLARE(uart, early_serial8250_setup);
>  OF_EARLYCON_DECLARE(ns16550, "ns16550", early_serial8250_setup);
>  OF_EARLYCON_DECLARE(ns16550a, "ns16550a", early_serial8250_setup);
>  OF_EARLYCON_DECLARE(uart, "nvidia,tegra20-uart", early_serial8250_setup);
> +OF_EARLYCON_DECLARE(uart, "snps,dw-apb-uart", early_serial8250_setup);
>  
>  #ifdef CONFIG_SERIAL_8250_OMAP
>  
>