[ARM] MX3: Use ioremap wrapper to map SoC devices nonshared
The internal devices of the MX3 Processor have to be mapped MT_DEVICE_NONSHARED devices, otherwise cache corruptions occur. Signed-off-by: Guennadi Liakhovetski <lg@denx.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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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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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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return __arm_ioremap(phys_addr, size, mtype);
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}
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#endif
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/* io address mapping macro */
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#define __io(a) ((void __iomem *)(a))
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