1 files changed, 12 insertions, 0 deletions

diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h
index 3ea5964c43b4..8580d1764f90 100644
--- a/arch/sparc/include/asm/leon.h
+++ b/arch/sparc/include/asm/leon.h
@@ -224,6 +224,18 @@ static inline void sparc_leon3_disable_cache(void)
                           "sta %%l2, [%%g0] 2\n\t" : : : "l1", "l2");
 };
 
+static inline unsigned long sparc_leon3_asr17(void)
+{
+        u32 asr17;
+        __asm__ __volatile__ ("rd %%asr17, %0\n\t" : "=r"(asr17));
+        return asr17;
+};
+
+static inline int sparc_leon3_cpuid(void)
+{
+        return sparc_leon3_asr17() >> 28;
+}
+
 #endif /*!__ASSEMBLY__*/
 
 #ifdef CONFIG_SMP