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Commit f055f1f6 authored by Stefan Roese's avatar Stefan Roese Committed by Maxime Ripard
Browse files

ARM: sunxi: Add sun4i and cubieboard support 



This patch adds support for the Cubieboard based on the Allwinner
A10/sun4i SoC. Currently only UART is supported. Other devices
will eventually follow.

Signed-off-by: default avatarStefan Roese <sr@denx.de>
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
parent aa25115a

arch/arm/boot/dts/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -84,7 +84,8 @@ dtb-$(CONFIG_ARCH_SPEAR3XX)+= spear300-evb.dtb \ 
	spear310-evb.dtb \

	spear320-evb.dtb

dtb-$(CONFIG_ARCH_SPEAR6XX)+= spear600-evb.dtb

dtb-$(CONFIG_ARCH_SUNXI) += sun5i-olinuxino.dtb

dtb-$(CONFIG_ARCH_SUNXI) += sun4i-cubieboard.dtb \

	sun5i-olinuxino.dtb

dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \

	tegra20-medcom-wide.dtb \

	tegra20-paz00.dtb \

arch/arm/boot/dts/sun4i-cubieboard.dts

0 → 100644
+38 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2012 Stefan Roese

 * Stefan Roese <sr@denx.de>

 *

 * The code contained herein is licensed under the GNU General Public

 * License. You may obtain a copy of the GNU General Public License

 * Version 2 or later at the following locations:

 *

 * http://www.opensource.org/licenses/gpl-license.html

 * http://www.gnu.org/copyleft/gpl.html

 */



/dts-v1/;

/include/ "sun4i.dtsi"



/ {

	model = "Cubietech Cubieboard";

	compatible = "cubietech,cubieboard", "allwinner,sun4i";



	aliases {

		serial0 = &uart0;

		serial1 = &uart1;

	};



	chosen {

		bootargs = "earlyprintk console=ttyS0,115200";

	};



	soc {

		uart0: uart@01c28000 {

			status = "okay";

		};



		uart1: uart@01c28400 {

			status = "okay";

		};

	};

};

arch/arm/boot/dts/sunxi.dtsi

+9 −0
Original line number Diff line number Diff line
@@ -54,6 +54,15 @@ 
			#interrupt-cells = <1>;

		};



		uart0: uart@01c28000 {

			compatible = "ns8250";

			reg = <0x01c28000 0x400>;

			interrupts = <1>;

			reg-shift = <2>;

			clock-frequency = <24000000>;

			status = "disabled";

		};



		uart1: uart@01c28400 {

			compatible = "ns8250";

			reg = <0x01c28400 0x400>;

arch/arm/mach-sunxi/sunxi.c

+1 −0
Original line number Diff line number Diff line
@@ -46,6 +46,7 @@ static void __init sunxi_dt_init(void) 
}



static const char * const sunxi_board_dt_compat[] = {

	"allwinner,sun4i",

	"allwinner,sun5i",

	NULL,

};