ARM: meson: sm: Add secure monitor calls to retrieve SoC serial number
The Secure Monitor interface permits retrieving the SoC Serial Number,
add a function to retrieve it.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/arch/arm/include/asm/arch-meson/sm.h b/arch/arm/include/asm/arch-meson/sm.h
index 83d6441..a5bac5a 100644
--- a/arch/arm/include/asm/arch-meson/sm.h
+++ b/arch/arm/include/asm/arch-meson/sm.h
@@ -7,5 +7,6 @@
#define __MESON_SM_H__
ssize_t meson_sm_read_efuse(uintptr_t offset, void *buffer, size_t size);
+int meson_sm_get_serial(void *buffer, size_t size);
#endif /* __MESON_SM_H__ */