1 files changed, 69 insertions, 0 deletions
diff --git a/include/hwconfig.h b/include/hwconfig.h
new file mode 100644
index 00000000000..d517f782fd9
--- /dev/null
+++ b/include/hwconfig.h
@@ -0,0 +1,69 @@
+/*
+ * An inteface for configuring a hardware via u-boot environment.
+ *
+ * Copyright (c) 2009  MontaVista Software, Inc.
+ *
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
+ *
+ * This program 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.
+ */
+
+#ifndef _HWCONFIG_H
+#define _HWCONFIG_H
+
+#include <linux/types.h>
+#include <asm/errno.h>
+
+#ifdef CONFIG_HWCONFIG
+
+extern int hwconfig(const char *opt);
+extern const char *hwconfig_arg(const char *opt, size_t *arglen);
+extern int hwconfig_arg_cmp(const char *opt, const char *arg);
+extern int hwconfig_sub(const char *opt, const char *subopt);
+extern const char *hwconfig_subarg(const char *opt, const char *subopt,
+				   size_t *subarglen);
+extern int hwconfig_subarg_cmp(const char *opt, const char *subopt,
+			       const char *subarg);
+
+#else
+
+static inline int hwconfig(const char *opt)
+{
+	return -ENOSYS;
+}
+
+static inline const char *hwconfig_arg(const char *opt, size_t *arglen)
+{
+	*arglen = 0;
+	return "";
+}
+
+static inline int hwconfig_arg_cmp(const char *opt, const char *arg)
+{
+	return -ENOSYS;
+}
+
+static inline int hwconfig_sub(const char *opt, const char *subopt)
+{
+	return -ENOSYS;
+}
+
+static inline const char *hwconfig_subarg(const char *opt, const char *subopt,
+					  size_t *subarglen)
+{
+	*subarglen = 0;
+	return "";
+}
+
+static inline int hwconfig_subarg_cmp(const char *opt, const char *subopt,
+				      const char *subarg)
+{
+	return -ENOSYS;
+}
+
+#endif /* CONFIG_HWCONFIG */
+
+#endif /* _HWCONFIG_H */