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@@ -14,6 +14,26 @@
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/* Allow IO space to be anywhere in the memory */
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#define IO_SPACE_LIMIT 0xffffffff
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+#ifdef CONFIG_ARCH_MX3
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+#define __arch_ioremap __mx3_ioremap
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+#define __arch_iounmap __iounmap
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+
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+static inline void __iomem *
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+__mx3_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
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+{
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+ if (mtype == MT_DEVICE) {
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+ /* Access all peripherals below 0x80000000 as nonshared device
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+ * but leave l2cc alone.
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+ */
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+ if ((phys_addr < 0x80000000) && ((phys_addr < L2CC_BASE_ADDR) ||
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+ (phys_addr >= L2CC_BASE_ADDR + L2CC_SIZE)))
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+ mtype = MT_DEVICE_NONSHARED;
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+ }
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+
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+ return __arm_ioremap(phys_addr, size, mtype);
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+}
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+#endif
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+
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/* io address mapping macro */
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#define __io(a) ((void __iomem *)(a))
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