1 files changed, 31 insertions, 0 deletions

diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h
index 9517d063c79c..9c8965415f0a 100644
--- a/arch/sparc/include/asm/io_64.h
+++ b/arch/sparc/include/asm/io_64.h
@@ -419,6 +419,21 @@ _memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
 #define memset_io(d,c,sz)       _memset_io(d,c,sz)
 
 static inline void
+_sbus_memcpy_fromio(void *dst, const volatile void __iomem *src,
+                    __kernel_size_t n)
+{
+        char *d = dst;
+
+        while (n--) {
+                char tmp = sbus_readb(src);
+                *d++ = tmp;
+                src++;
+        }
+}
+
+#define sbus_memcpy_fromio(d, s, sz)    _sbus_memcpy_fromio(d, s, sz)
+
+static inline void
 _memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n)
 {
         char *d = dst;
@@ -433,6 +448,22 @@ _memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n)
 #define memcpy_fromio(d,s,sz)   _memcpy_fromio(d,s,sz)
 
 static inline void
+_sbus_memcpy_toio(volatile void __iomem *dst, const void *src,
+                  __kernel_size_t n)
+{
+        const char *s = src;
+        volatile void __iomem *d = dst;
+
+        while (n--) {
+                char tmp = *s++;
+                sbus_writeb(tmp, d);
+                d++;
+        }
+}
+
+#define sbus_memcpy_toio(d, s, sz)      _sbus_memcpy_toio(d, s, sz)
+
+static inline void
 _memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n)
 {
         const char *s = src;