1 files changed, 52 insertions, 0 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/include/asm/devtree.h b/target/linux/ubicom32/files/arch/ubicom32/include/asm/devtree.h
new file mode 100644
index 000000000..3380c2bea
--- /dev/null
+++ b/target/linux/ubicom32/files/arch/ubicom32/include/asm/devtree.h
@@ -0,0 +1,52 @@
+/*
+ * arch/ubicom32/include/asm/devtree.h
+ *   Device Tree Header File (Shared between ultra and the Host OS)
+ *
+ * (C) Copyright 2009, Ubicom, Inc.
+ *
+ * This file is part of the Ubicom32 Linux Kernel Port.
+ *
+ * The Ubicom32 Linux Kernel Port is free software: you can redistribute
+ * it and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * The Ubicom32 Linux Kernel Port 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Ubicom32 Linux Kernel Port.  If not,
+ * see <http://www.gnu.org/licenses/>.
+ *
+ * Ubicom32 implementation derived from (with many thanks):
+ *   arch/m68knommu
+ *   arch/blackfin
+ *   arch/parisc
+ */
+
+#ifndef _ASM_UBICOM32_DEVTREE_H
+#define _ASM_UBICOM32_DEVTREE_H
+
+#define DEVTREE_MAX_NAME 32
+#define DEVTREE_IRQ_NONE 0xff
+#define DEVTREE_IRQ_DONTCARE 0xff
+#define DEVTREE_NODE_MAGIC 0x10203040
+
+struct devtree_node {
+	struct devtree_node *next;
+	unsigned char sendirq;
+	unsigned char recvirq;
+	char name[DEVTREE_MAX_NAME];
+	unsigned int magic;
+};
+
+extern struct devtree_node *devtree;
+extern struct devtree_node *devtree_find_by_irq(uint8_t sendirq, uint8_t recvirq);
+extern struct devtree_node *devtree_find_node(const char *str);
+extern struct devtree_node *devtree_find_next(struct devtree_node **cur);
+extern int devtree_irq(struct devtree_node *dn, unsigned char *sendirq, unsigned char *recvirq);
+extern void devtree_print(void);
+
+#endif /* _ASM_UBICOM32_DEVTREE_H */