[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/include/asm-generic/io-64-nonatomic-lo-hi.h b/ap/os/linux/linux-3.4.x/include/asm-generic/io-64-nonatomic-lo-hi.h
new file mode 100644
index 0000000..ca546b1
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/include/asm-generic/io-64-nonatomic-lo-hi.h
@@ -0,0 +1,28 @@
+#ifndef _ASM_IO_64_NONATOMIC_LO_HI_H_
+#define _ASM_IO_64_NONATOMIC_LO_HI_H_
+
+#include <linux/io.h>
+#include <asm-generic/int-ll64.h>
+
+#ifndef readq
+static inline __u64 readq(const volatile void __iomem *addr)
+{
+ const volatile u32 __iomem *p = addr;
+ u32 low, high;
+
+ low = readl(p);
+ high = readl(p + 1);
+
+ return low + ((u64)high << 32);
+}
+#endif
+
+#ifndef writeq
+static inline void writeq(__u64 val, volatile void __iomem *addr)
+{
+ writel(val, addr);
+ writel(val >> 32, addr + 4);
+}
+#endif
+
+#endif /* _ASM_IO_64_NONATOMIC_LO_HI_H_ */