diff --git a/include/faraday/ftahbc020s.h b/include/faraday/ftahbc020s.h
new file mode 100644
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+++ b/include/faraday/ftahbc020s.h
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+/*
+ * Copyright (C) 2011 Andes Technology Corporation
+ * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.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.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* FTAHBC020S - AHB Controller (Arbiter/Decoder) definitions */
+#ifndef __FTAHBC020S_H
+#define __FTAHBC202S_H
+
+/* Registers Offsets */
+
+/*
+ * AHB Slave BSR, offset: n * 4, n=0~31
+ */
+#ifndef __ASSEMBLY__
+struct ftahbc02s {
+	unsigned int	s_bsr[32];	/* 0x00-0x7c - Slave n Base/Size Reg */
+	unsigned int	pcr;		/* 0x80	- Priority Ctrl Reg */
+	unsigned int	tcrg;		/* 0x84	- Transfer Ctrl Reg */
+	unsigned int	cr;		/* 0x88	- Ctrl Reg */
+};
+#endif /* __ASSEMBLY__ */
+
+/*
+ * FTAHBC020S_SLAVE_BSR - Slave n Base / Size Register
+ */
+#define FTAHBC020S_SLAVE_BSR_BASE(x)	(((x) & 0xfff) << 20)
+#define FTAHBC020S_SLAVE_BSR_SIZE(x)	(((x) & 0xf) << 16)
+/* The value of b(16:19)SLAVE_BSR_SIZE: 1M-2048M, must be power of 2 */
+#define FTAHBC020S_BSR_SIZE(x)		(ffs(x) - 1)	/* size of Addr Space */
+
+/*
+ * FTAHBC020S_PCR - Priority Control Register
+ */
+#define FTAHBC020S_PCR_PLEVEL_(x)	(1 << (x))	/* x: 1-15 */
+
+/*
+ * FTAHBC020S_CR - Interrupt Control Register
+ */
+#define FTAHBC020S_CR_INTSTS	(1 << 24)
+#define FTAHBC020S_CR_RESP(x)	(((x) & 0x3) << 20)
+#define FTAHBC020S_CR_INTSMASK	(1 << 16)
+#define FTAHBC020S_CR_REMAP	(1 << 0)
+
+#endif	/* __FTAHBC020S_H */