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-rw-r--r--src/arch/arm64/include/armv8/arch/io.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/arch/arm64/include/armv8/arch/io.h b/src/arch/arm64/include/armv8/arch/io.h
index f60e1f4d64..31615f736f 100644
--- a/src/arch/arm64/include/armv8/arch/io.h
+++ b/src/arch/arm64/include/armv8/arch/io.h
@@ -51,6 +51,12 @@ static inline uint32_t read32(const void *addr)
return *(volatile uint32_t *)addr;
}
+static inline uint64_t read64(const void *addr)
+{
+ dmb();
+ return *(volatile uint64_t *)addr;
+}
+
static inline void write8(void *addr, uint8_t val)
{
dmb();
@@ -72,4 +78,11 @@ static inline void write32(void *addr, uint32_t val)
dmb();
}
+static inline void write64(void *addr, uint64_t val)
+{
+ dmb();
+ *(volatile uint64_t *)addr = val;
+ dmb();
+}
+
#endif /* __ARCH_IO_H */