ARM: mxs: Add helper definition and function

Add helper definition and function for MXS-based.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

arch/arm/mach-mxs/include/mach/common.h

+/*
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __MACH_MXS_COMMON_H__
+#define __MACH_MXS_COMMON_H__
+
+struct clk;
+
+extern int mxs_reset_block(void __iomem *);
+extern void mxs_timer_init(struct clk *, int);
+
+extern int mx23_register_gpios(void);
+extern int mx23_clocks_init(void);
+extern void mx23_map_io(void);
+extern void mx23_init_irq(void);
+
+extern int mx28_register_gpios(void);
+extern int mx28_clocks_init(void);
+extern void mx28_map_io(void);
+extern void mx28_init_irq(void);
+
+extern void icoll_init_irq(void);
+
+#endif /* __MACH_MXS_COMMON_H__ */

arch/arm/mach-mxs/include/mach/io.h

+/*
+ *  Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __MACH_MXS_IO_H__
+#define __MACH_MXS_IO_H__
+
+/* Allow IO space to be anywhere in the memory */
+#define IO_SPACE_LIMIT 0xffffffff
+
+/* io address mapping macro */
+#define __io(a)		__typesafe_io(a)
+
+#define __mem_pci(a)	(a)
+
+#endif /* __MACH_MXS_IO_H__ */

arch/arm/mach-mxs/include/mach/timex.h

+/*
+ *  Copyright (C) 1999 ARM Limited
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef __MACH_MXS_TIMEX_H__
+#define __MACH_MXS_TIMEX_H__
+
+#define CLOCK_TICK_RATE		32000	/* 32K */
+
+#endif /* __MACH_MXS_TIMEX_H__ */

arch/arm/mach-mxs/include/mach/vmalloc.h

+/*
+ *  Copyright (C) 2000 Russell King.
+ *  Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef __MACH_MXS_VMALLOC_H__
+#define __MACH_MXS_VMALLOC_H__
+
+/* vmalloc ending address */
+#define VMALLOC_END       0xf4000000UL
+
+#endif /* __MACH_MXS_VMALLOC_H__ */