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authorLey Foon Tan <lftan@altera.com>2014-11-06 15:20:03 +0800
committerLey Foon Tan <lftan@altera.com>2014-12-08 12:56:01 +0800
commit95acd4c7b69c9b250d901d154390ec4c8b7b51c1 (patch)
tree2232613144f317f21ccbd3684cd31ee11eb9c2b5 /arch/nios2/platform
parenteea9507a69d637d52705de8703b168bf6bfe5643 (diff)
nios2: Device tree support
Add device tree support to arch/nios2. Signed-off-by: Ley Foon Tan <lftan@altera.com>
Diffstat (limited to 'arch/nios2/platform')
-rw-r--r--arch/nios2/platform/platform.c46
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);

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