From mboxrd@z Thu Jan 1 00:00:00 1970 From: wangkefeng.wang@huawei.com (Kefeng Wang) Date: Thu, 19 May 2016 09:45:33 +0800 Subject: [PATCH] serial: 8250_early: Add earlycon support for Synopsys DesignWare ABP UART In-Reply-To: <1462946761-11982-1-git-send-email-wangkefeng.wang@huawei.com> References: <1462946761-11982-1-git-send-email-wangkefeng.wang@huawei.com> Message-ID: <573D1ABD.5020908@huawei.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org +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 > --- > 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 > >