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Quinn Jensen52c543f2007-07-09 22:06:53 +01001/*
2 * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
3 */
4
5/*
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
Quinn Jensen52c543f2007-07-09 22:06:53 +010011#ifndef __ASM_ARCH_MXC_IO_H__
12#define __ASM_ARCH_MXC_IO_H__
13
Robert Schwebelf304fc42008-03-28 10:59:08 +010014/* Allow IO space to be anywhere in the memory */
Quinn Jensen52c543f2007-07-09 22:06:53 +010015#define IO_SPACE_LIMIT 0xffffffff
16
Sascha Hauereadefef2008-10-15 09:50:23 +020017#ifdef CONFIG_ARCH_MX3
18#define __arch_ioremap __mx3_ioremap
19#define __arch_iounmap __iounmap
20
21static inline void __iomem *
22__mx3_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
23{
24 if (mtype == MT_DEVICE) {
25 /* Access all peripherals below 0x80000000 as nonshared device
26 * but leave l2cc alone.
27 */
Sascha Hauera2449092008-12-18 11:51:57 +010028 if ((phys_addr < 0x80000000) && ((phys_addr < 0x30000000) ||
29 (phys_addr >= 0x30000000 + SZ_1M)))
Sascha Hauereadefef2008-10-15 09:50:23 +020030 mtype = MT_DEVICE_NONSHARED;
31 }
32
33 return __arm_ioremap(phys_addr, size, mtype);
34}
35#endif
36
Robert Schwebelf304fc42008-03-28 10:59:08 +010037/* io address mapping macro */
Russell King0560cf52008-11-30 11:45:54 +000038#define __io(a) __typesafe_io(a)
Quinn Jensen52c543f2007-07-09 22:06:53 +010039
Russell King0560cf52008-11-30 11:45:54 +000040#define __mem_pci(a) (a)
Quinn Jensen52c543f2007-07-09 22:06:53 +010041
42#endif