nios2: Device tree support

Add device tree support to arch/nios2.

Signed-off-by: Ley Foon Tan <lftan@altera.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/arch/nios2/platform/platform.c b/arch/nios2/platform/platform.c
new file mode 100644
index 000000000000..d478773f758a
--- /dev/null
+++ b/arch/nios2/platform/platform.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2013 Altera Corporation
+ * Copyright (C) 2011 Thomas Chou
+ * Copyright (C) 2011 Walter Goossens
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file COPYING in the main directory of this
+ * archive for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/of_platform.h>
+#include <linux/of_address.h>
+#include <linux/of_fdt.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/sys_soc.h>
+#include <linux/io.h>
+
+static int __init nios2_soc_device_init(void)
+{
+        struct soc_device *soc_dev;
+        struct soc_device_attribute *soc_dev_attr;
+        const char *machine;
+
+        soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
+        if (soc_dev_attr) {
+                machine = of_flat_dt_get_machine_name();
+                if (machine)
+                        soc_dev_attr->machine = kasprintf(GFP_KERNEL, "%s",
+                                                machine);
+
+                soc_dev_attr->family = "Nios II";
+
+                soc_dev = soc_device_register(soc_dev_attr);
+                if (IS_ERR(soc_dev)) {
+                        kfree(soc_dev_attr->machine);
+                        kfree(soc_dev_attr);
+                }
+        }
+
+        return of_platform_populate(NULL, of_default_bus_match_table,
+                NULL, NULL);
+}
+
+device_initcall(nios2_soc_device_init);