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authorPaul Mundt <lethal@linux-sh.org>2011-11-04 18:15:29 +0400
committerPaul Mundt <lethal@linux-sh.org>2011-11-04 18:15:29 +0400
commitd63638440cfad75fb339fd1261bea0485c7c3ecc (patch)
treed1705ceeef82eb0b7b58f9503a472be810f418f2 /arch/arm/plat-mxc/include/mach/io.h
parentf1e0477a7b7a541f51eea279910eed4ddd010033 (diff)
parent1a67a573b8d9f02211f36fbab50f6265dc49384a (diff)
downloadlinux-d63638440cfad75fb339fd1261bea0485c7c3ecc.tar.xz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into rmobile-latest
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/io.h')
-rw-r--r--arch/arm/plat-mxc/include/mach/io.h22
1 files changed, 6 insertions, 16 deletions
diff --git a/arch/arm/plat-mxc/include/mach/io.h b/arch/arm/plat-mxc/include/mach/io.h
index 4347a87d2bb0..338300b18b00 100644
--- a/arch/arm/plat-mxc/include/mach/io.h
+++ b/arch/arm/plat-mxc/include/mach/io.h
@@ -14,32 +14,22 @@
/* 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)
+extern void __iomem *(*imx_ioremap)(unsigned long, size_t, unsigned int);
+
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);
+ if (imx_ioremap != NULL)
+ return imx_ioremap(phys_addr, size, mtype);
+ else
+ return __arm_ioremap(phys_addr, size, mtype);
}
-#endif
/* io address mapping macro */
#define __io(a) __typesafe_io(a)