| /* |
| * 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 <mach/hardware.h> |
| |
| #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 |
