So it has come to this.

ipl/util.h

@@ -0,0 +1,32 @@
+/*
+* Copyright (c) 2018 naehrwert
+*
+* This program is free software; you can redistribute it and/or modify it
+* under the terms and conditions of the GNU General Public License,
+* version 2, as published by the Free Software Foundation.
+*
+* This program is distributed in the hope 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _UTIL_H_
+#define _UTIL_H_
+
+#include "types.h"
+
+typedef struct _cfg_op_t
+{
+	u32 off;
+	u32 val;
+} cfg_op_t;
+
+u32 get_tmr();
+void sleep(u32 ticks);
+void exec_cfg(u32 *base, const cfg_op_t *ops, u32 num_ops);
+
+#endif