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authorStefan Roese <sr@denx.de>2012-11-19 15:09:42 +0400
committerMaxime Ripard <maxime.ripard@free-electrons.com>2012-11-20 18:36:34 +0400
commitf055f1f682b84b3b785813f5c11efacab6001253 (patch)
treef540d68c770dc7a4cb0ca162aa73c36336b55b01 /arch
parentaa25115aff14a149a6b611fe54776c142e483781 (diff)
downloadlinux-f055f1f682b84b3b785813f5c11efacab6001253.tar.xz
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: Stefan Roese <sr@denx.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/Makefile3
-rw-r--r--arch/arm/boot/dts/sun4i-cubieboard.dts38
-rw-r--r--arch/arm/boot/dts/sunxi.dtsi9
-rw-r--r--arch/arm/mach-sunxi/sunxi.c1
4 files changed, 50 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 9b2d3f061f13..4dd567b62d2a 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -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 \
diff --git a/arch/arm/boot/dts/sun4i-cubieboard.dts b/arch/arm/boot/dts/sun4i-cubieboard.dts
new file mode 100644
index 000000000000..f4ca126ad994
--- /dev/null
+++ b/arch/arm/boot/dts/sun4i-cubieboard.dts
@@ -0,0 +1,38 @@
+/*
+ * 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";
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/sunxi.dtsi b/arch/arm/boot/dts/sunxi.dtsi
index 9e476deb8809..8284fbd7ddab 100644
--- a/arch/arm/boot/dts/sunxi.dtsi
+++ b/arch/arm/boot/dts/sunxi.dtsi
@@ -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>;
diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c
index 8f42df8af1da..13d4d96cbc85 100644
--- a/arch/arm/mach-sunxi/sunxi.c
+++ b/arch/arm/mach-sunxi/sunxi.c
@@ -46,6 +46,7 @@ static void __init sunxi_dt_init(void)
}
static const char * const sunxi_board_dt_compat[] = {
+ "allwinner,sun4i",
"allwinner,sun5i",
NULL,
};