ARM: davinci: add virt2real board support

The virt2real microcontroller, or virturilka,
is a miniature board for creation of WiFi
or internet controllable smart devices.

See http://virt2real.com for details.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

6 files changed, 107 insertions, 0 deletions

diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
index 0d8c9cf4cf..e7af88946d 100644
--- a/arch/arm/boards/Makefile
+++ b/arch/arm/boards/Makefile
@@ -99,4 +99,5 @@ obj-$(CONFIG_MACH_USB_A9263)			+= usb-a926x/
 obj-$(CONFIG_MACH_USB_A9G20)			+= usb-a926x/
 obj-$(CONFIG_MACH_VERSATILEPB)			+= versatile/
 obj-$(CONFIG_MACH_VEXPRESS)			+= vexpress/
+obj-$(CONFIG_MACH_VIRT2REAL)			+= virt2real/
 obj-$(CONFIG_MACH_ZEDBOARD)			+= avnet-zedboard/
diff --git a/arch/arm/boards/virt2real/Makefile b/arch/arm/boards/virt2real/Makefile
new file mode 100644
index 0000000000..b2f44bba1b
--- /dev/null
+++ b/arch/arm/boards/virt2real/Makefile
@@ -0,0 +1 @@
+obj-y += lowlevel.o board.o
diff --git a/arch/arm/boards/virt2real/board.c b/arch/arm/boards/virt2real/board.c
new file mode 100644
index 0000000000..b7f72171bb
--- /dev/null
+++ b/arch/arm/boards/virt2real/board.c
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2014 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This file is part of barebox.
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <common.h>
+#include <init.h>
+
+static int hostname_init(void)
+{
+	barebox_set_hostname("virt2real");
+
+	return 0;
+}
+core_initcall(hostname_init);
diff --git a/arch/arm/boards/virt2real/lowlevel.c b/arch/arm/boards/virt2real/lowlevel.c
new file mode 100644
index 0000000000..3c90d78678
--- /dev/null
+++ b/arch/arm/boards/virt2real/lowlevel.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2014 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This file is part of barebox.
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#define __LOWLEVEL_INIT__
+
+#include <common.h>
+#include <asm/barebox-arm.h>
+#include <asm/barebox-arm-head.h>
+#include <init.h>
+#include <sizes.h>
+
+#define VIRT2REAL_SRAM_BASE 0x82000000
+#define VIRT2REAL_SRAM_SIZE SZ_16M
+
+void __naked __bare_init barebox_arm_reset_vector(void)
+{
+	arm_cpu_lowlevel_init();
+
+	barebox_arm_entry(VIRT2REAL_SRAM_BASE, VIRT2REAL_SRAM_SIZE, 0);
+}
diff --git a/arch/arm/dts/virt2real.dts b/arch/arm/dts/virt2real.dts
new file mode 100644
index 0000000000..09aec1f722
--- /dev/null
+++ b/arch/arm/dts/virt2real.dts
@@ -0,0 +1,35 @@
+/dts-v1/;
+
+#include "dm365.dtsi"
+
+/ {
+	model = "virt2real";
+
+	memory {
+		reg = <0x82000000 0x01000000>;
+	};
+
+	soc {
+		serial0: serial@1c20000 {
+			status = "okay";
+		};
+
+		gpio: gpio@1c67000 {
+			status = "okay";
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		green_led {
+			label = "green-led";
+			gpios = <&gpio 73 0>;
+		};
+
+		red_led {
+			label = "red-led";
+			gpios = <&gpio 74 0>;
+		};
+	};
+};
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 5677f8db9d..3165d5086d 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -4,4 +4,13 @@ config ARCH_TEXT_BASE
 	hex
 	default 0x82000000
 
+choice
+	prompt "Davinci Board type"
+
+config MACH_VIRT2REAL
+	bool "Virt2Real"
+	select HAVE_DEFAULT_ENVIRONMENT_NEW
+
+endchoice
+
 endif