v4.19.13 snapshot.
diff --git a/arch/mips/lantiq/prom.h b/arch/mips/lantiq/prom.h
new file mode 100644
index 0000000..4b6576c
--- /dev/null
+++ b/arch/mips/lantiq/prom.h
@@ -0,0 +1,29 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 2010 John Crispin <john@phrozen.org>
+ */
+
+#ifndef _LTQ_PROM_H__
+#define _LTQ_PROM_H__
+
+#define LTQ_SYS_TYPE_LEN 0x100
+#define LTQ_SYS_REV_LEN 0x10
+
+struct ltq_soc_info {
+ unsigned char *name;
+ unsigned int rev;
+ unsigned char rev_type[LTQ_SYS_REV_LEN];
+ unsigned int srev;
+ unsigned int partnum;
+ unsigned int type;
+ unsigned char sys_type[LTQ_SYS_TYPE_LEN];
+ unsigned char *compatible;
+};
+
+extern void ltq_soc_detect(struct ltq_soc_info *i);
+extern void ltq_soc_init(void);
+
+#endif