ARM: sunxi: Add basic support for Allwinner A1x SoCs
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Stefan Roese <sr@denx.de>
diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c
new file mode 100644
index 0000000..8f42df8
--- /dev/null
+++ b/arch/arm/mach-sunxi/sunxi.c
@@ -0,0 +1,60 @@
+/*
+ * Device Tree support for Allwinner A1X SoCs
+ *
+ * Copyright (C) 2012 Maxime Ripard
+ *
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/io.h>
+#include <linux/sunxi_timer.h>
+
+#include <linux/irqchip/sunxi.h>
+
+#include <asm/hardware/vic.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include "sunxi.h"
+
+static struct map_desc sunxi_io_desc[] __initdata = {
+ {
+ .virtual = (unsigned long) SUNXI_REGS_VIRT_BASE,
+ .pfn = __phys_to_pfn(SUNXI_REGS_PHYS_BASE),
+ .length = SUNXI_REGS_SIZE,
+ .type = MT_DEVICE,
+ },
+};
+
+void __init sunxi_map_io(void)
+{
+ iotable_init(sunxi_io_desc, ARRAY_SIZE(sunxi_io_desc));
+}
+
+static void __init sunxi_dt_init(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+}
+
+static const char * const sunxi_board_dt_compat[] = {
+ "allwinner,sun5i",
+ NULL,
+};
+
+DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)")
+ .init_machine = sunxi_dt_init,
+ .map_io = sunxi_map_io,
+ .init_irq = sunxi_init_irq,
+ .handle_irq = sunxi_handle_irq,
+ .timer = &sunxi_timer,
+ .dt_compat = sunxi_board_dt_compat,
+MACHINE_END