/* * 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 __ASM_ARCH_MXC_IO_H__ #define __ASM_ARCH_MXC_IO_H__ /* Allow IO space to be anywhere in the memory */ #define IO_SPACE_LIMIT 0xffffffff #if defined(CONFIG_SOC_IMX31) || defined(CONFIG_SOC_IMX35) #include #define __arch_ioremap __imx_ioremap #define __arch_iounmap __iounmap #define addr_in_module(addr, mod) \ ((unsigned long)(addr) - mod ## _BASE_ADDR < mod ## _SIZE) static inline void __iomem * __imx_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) { if (mtype == MT_DEVICE && (cpu_is_mx31() || cpu_is_mx35())) { /* * Access all peripherals below 0x80000000 as nonshared device * on mx3, but leave l2cc alone. Otherwise cache corruptions * can occur. */ if (phys_addr < 0x80000000 && !addr_in_module(phys_addr, MX3x_L2CC)) mtype = MT_DEVICE_NONSHARED; } return __arm_ioremap(phys_addr, size, mtype); } #endif /* io address mapping macro */ #define __io(a) __typesafe_io(a) #define __mem_pci(a) (a) #endif