add Multi Function Pin configuration support for ARMADA100

This patch adds the support MFP support for Marvell ARMADA100 SoCs

Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>

arch/arm/include/asm/arch-armada100/mfp.h

+/*
+ * Based on linux/arch/arm/mach-mpp/include/mfp-pxa168.h
+ * (C) Copyright 2007
+ * Marvell Semiconductor <www.marvell.com>
+ * 2007-08-21: eric miao <eric.miao@marvell.com>
+ *
+ * (C) Copyright 2010
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ * Contributor: Mahavir Jain <mjain@marvell.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#ifndef __ARMADA100_MFP_H
+#define __ARMADA100_MFP_H
+
+/*
+ * Frequently used MFP Configuration macros for all ARMADA100 family of SoCs
+ *
+ * 				    offset, pull,pF, drv,dF, edge,eF ,afn,aF
+ */
+/* UART1 */
+#define MFP107_UART1_TXD	MFP_REG(0x01ac) | MFP_AF1 | MFP_DRIVE_FAST
+#define MFP107_UART1_RXD	MFP_REG(0x01ac) | MFP_AF2 | MFP_DRIVE_FAST
+#define MFP108_UART1_RXD	MFP_REG(0x01b0) | MFP_AF1 | MFP_DRIVE_FAST
+#define MFP108_UART1_TXD	MFP_REG(0x01b0) | MFP_AF2 | MFP_DRIVE_FAST
+#define MFP109_UART1_CTS	MFP_REG(0x01b4) | MFP_AF1 | MFP_DRIVE_MEDIUM
+#define MFP109_UART1_RTS	MFP_REG(0x01b4) | MFP_AF2 | MFP_DRIVE_MEDIUM
+#define MFP110_UART1_RTS	MFP_REG(0x01b8) | MFP_AF1 | MFP_DRIVE_MEDIUM
+#define MFP110_UART1_CTS	MFP_REG(0x01b8) | MFP_AF2 | MFP_DRIVE_MEDIUM
+#define MFP111_UART1_RI		MFP_REG(0x01bc) | MFP_AF1 | MFP_DRIVE_MEDIUM
+#define MFP111_UART1_DSR	MFP_REG(0x01bc) | MFP_AF2 | MFP_DRIVE_MEDIUM
+#define MFP112_UART1_DTR	MFP_REG(0x01c0) | MFP_AF1 | MFP_DRIVE_MEDIUM
+#define MFP112_UART1_DCD	MFP_REG(0x01c0) | MFP_AF2 | MFP_DRIVE_MEDIUM
+
+/* UART2 */
+#define MFP47_UART2_RXD		MFP_REG(0x0028) | MFP_AF6 | MFP_DRIVE_MEDIUM
+#define MFP48_UART2_TXD		MFP_REG(0x002c) | MFP_AF6 | MFP_DRIVE_MEDIUM
+#define MFP88_UART2_RXD		MFP_REG(0x0160) | MFP_AF2 | MFP_DRIVE_MEDIUM
+#define MFP89_UART2_TXD		MFP_REG(0x0164) | MFP_AF2 | MFP_DRIVE_MEDIUM
+
+/* UART3 */
+#define MFPO8_UART3_RXD		MFP_REG(0x06c) | MFP_AF2 | MFP_DRIVE_MEDIUM
+#define MFPO9_UART3_TXD		MFP_REG(0x070) | MFP_AF2 | MFP_DRIVE_MEDIUM
+
+/* More macros can be defined here... */
+
+#define MFP_PIN_MAX	117
+
+#endif /* __ARMADA100_MFP_H */