adm5120: add 3.18 support

[openwrt/svn-archive/archive.git] / target / linux / adm5120 / files-3.18 / arch / mips / adm5120 / prom / prom_read.h

diff --git a/target/linux/adm5120/files-3.18/arch/mips/adm5120/prom/prom_read.h b/target/linux/adm5120/files-3.18/arch/mips/adm5120/prom/prom_read.h
new file mode 100644 (file)
index 0000000..1a6ea11
--- /dev/null
+++ b/target/linux/adm5120/files-3.18/arch/mips/adm5120/prom/prom_read.h
@@ -0,0 +1,50 @@
+/*
+ *  Generic prom definitions
+ *
+ *  Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
+ *
+ *  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.
+ *
+ */
+
+#ifndef _ADM5120_PROM_H_
+#define _ADM5120_PROM_H_
+
+/*
+ * Helper routines
+ */
+static inline u16 prom_read_le16(void *buf)
+{
+       u8 *p = buf;
+
+       return ((u16)p[0] + ((u16)p[1] << 8));
+}
+
+static inline u32 prom_read_le32(void *buf)
+{
+       u8 *p = buf;
+
+       return ((u32)p[0] + ((u32)p[1] << 8) + ((u32)p[2] << 16) +
+               ((u32)p[3] << 24));
+}
+
+static inline u16 prom_read_be16(void *buf)
+{
+       u8 *p = buf;
+
+       return (((u16)p[0] << 8) + (u16)p[1]);
+}
+
+static inline u32 prom_read_be32(void *buf)
+{
+       u8 *p = buf;
+
+       return (((u32)p[0] << 24) + ((u32)p[1] << 16) + ((u32)p[2] << 8) +
+               ((u32)p[3]));
+}
+
+#endif /* _ADM5120_PROM_H_ */
+
+