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-rw-r--r--arch/sparc/include/asm/io_64.h31
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;