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-rw-r--r--include/ppc440.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/ppc440.h b/include/ppc440.h
index 93c10f12099..38809f34b4b 100644
--- a/include/ppc440.h
+++ b/include/ppc440.h
@@ -3354,6 +3354,19 @@ typedef struct {
unsigned long pciClkSync; /* PCI clock is synchronous */
} PPC440_SYS_INFO;
+static inline u32 get_mcsr(void)
+{
+ u32 val;
+
+ asm volatile("mfspr %0, 0x23c" : "=r" (val) :);
+ return val;
+}
+
+static inline void set_mcsr(u32 val)
+{
+ asm volatile("mtspr 0x23c, %0" : "=r" (val) :);
+}
+
#endif /* _ASMLANGUAGE */
#define RESET_VECTOR 0xfffffffc