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author | Takashi Iwai <tiwai@suse.de> | 2008-12-01 18:02:17 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2008-12-01 18:02:17 +0100 |
commit | 3af4182cc5be7d5505f9801ee3297373f1872446 (patch) | |
tree | 214348d40ed547a72f9612a7e5c94a01afded812 /arch/arm/plat-mxc/include/mach/io.h | |
parent | f5d4c67e41a262f0cdfaec1bb0fa8e5952187ef9 (diff) | |
parent | c07f62e5f18123103459ff74e86af1518a5b8af5 (diff) | |
download | blackbird-op-linux-3af4182cc5be7d5505f9801ee3297373f1872446.tar.gz blackbird-op-linux-3af4182cc5be7d5505f9801ee3297373f1872446.zip |
Merge branch 'upstream' into topic/asoc
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/io.h')
-rw-r--r-- | arch/arm/plat-mxc/include/mach/io.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/io.h b/arch/arm/plat-mxc/include/mach/io.h index 65b6810124c1..5d4cb1196441 100644 --- a/arch/arm/plat-mxc/include/mach/io.h +++ b/arch/arm/plat-mxc/include/mach/io.h @@ -14,6 +14,26 @@ /* Allow IO space to be anywhere in the memory */ #define IO_SPACE_LIMIT 0xffffffff +#ifdef CONFIG_ARCH_MX3 +#define __arch_ioremap __mx3_ioremap +#define __arch_iounmap __iounmap + +static inline void __iomem * +__mx3_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) +{ + if (mtype == MT_DEVICE) { + /* Access all peripherals below 0x80000000 as nonshared device + * but leave l2cc alone. + */ + if ((phys_addr < 0x80000000) && ((phys_addr < L2CC_BASE_ADDR) || + (phys_addr >= L2CC_BASE_ADDR + L2CC_SIZE))) + mtype = MT_DEVICE_NONSHARED; + } + + return __arm_ioremap(phys_addr, size, mtype); +} +#endif + /* io address mapping macro */ #define __io(a) ((void __iomem *)(a)) |