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+/* Copyright 2013-2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __CENTAUR_H
+#define __CENTAUR_H
+
+extern int64_t centaur_xscom_read(uint32_t id, uint64_t pcb_addr, uint64_t *val);
+extern int64_t centaur_xscom_write(uint32_t id, uint64_t pcb_addr, uint64_t val);
+extern void centaur_init(void);
+
+#endif /* __CENTAUR_H */
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