marvell: drivers: Add address decoding units drivers

Add address decoding unit drivers for Marvell SoCs.

Address decoding flow and address translation units chart
are located at docs/marvell/misc/mvebu-a8k-addr-map.txt

Change-Id: Id6ce311fa1f4f112df3adfac5d20449f495f71ed
Signed-off-by: Hanna Hawa <hannah@marvell.com>
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
diff --git a/include/drivers/marvell/iob.h b/include/drivers/marvell/iob.h
new file mode 100644
index 0000000..9848c0a
--- /dev/null
+++ b/include/drivers/marvell/iob.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+/* IOW unit device driver for Marvell CP110 and CP115 SoCs */
+
+#ifndef _IOB_H_
+#define _IOB_H_
+
+#include <addr_map.h>
+
+enum target_ids_iob {
+	INTERNAL_TID	= 0x0,
+	MCI0_TID	= 0x1,
+	PEX1_TID	= 0x2,
+	PEX2_TID	= 0x3,
+	PEX0_TID	= 0x4,
+	NAND_TID	= 0x5,
+	RUNIT_TID	= 0x6,
+	MCI1_TID	= 0x7,
+	IOB_MAX_TID
+};
+
+int init_iob(uintptr_t base);
+void iob_cfg_space_update(int ap_idx, int cp_idx,
+			  uintptr_t base, uintptr_t new_base);
+
+#endif /* _IOB_H_ */