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authorMichal Simek <monstr@monstr.eu>2011-05-03 10:33:07 +0200
committerMichal Simek <monstr@monstr.eu>2012-10-04 14:23:47 +0200
commit9998517a2789850e4e48bad6ada4de1f6c5a760d (patch)
tree90a6cd060eadba570d7936831f7b5c072e234708 /arch/microblaze
parent191d5eca2405b58cece0e572f694abd1230b0efe (diff)
microblaze: Add support for ioreadXX/iowriteXX_rep
Reuse versions from asm-generic functions. Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze')
-rw-r--r--arch/microblaze/include/asm/io.h90
1 files changed, 90 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index 8cdac14b55b0..e4a797478603 100644
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -248,4 +248,94 @@ static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size,
#define ioport_map(port, nr) ((void __iomem *)(port))
#define ioport_unmap(addr)
+/* from asm-generic/io.h */
+#ifndef insb
+static inline void insb(unsigned long addr, void *buffer, int count)
+{
+ if (count) {
+ u8 *buf = buffer;
+ do {
+ u8 x = inb(addr);
+ *buf++ = x;
+ } while (--count);
+ }
+}
+#endif
+
+#ifndef insw
+static inline void insw(unsigned long addr, void *buffer, int count)
+{
+ if (count) {
+ u16 *buf = buffer;
+ do {
+ u16 x = inw(addr);
+ *buf++ = x;
+ } while (--count);
+ }
+}
+#endif
+
+#ifndef insl
+static inline void insl(unsigned long addr, void *buffer, int count)
+{
+ if (count) {
+ u32 *buf = buffer;
+ do {
+ u32 x = inl(addr);
+ *buf++ = x;
+ } while (--count);
+ }
+}
+#endif
+
+#ifndef outsb
+static inline void outsb(unsigned long addr, const void *buffer, int count)
+{
+ if (count) {
+ const u8 *buf = buffer;
+ do {
+ outb(*buf++, addr);
+ } while (--count);
+ }
+}
+#endif
+
+#ifndef outsw
+static inline void outsw(unsigned long addr, const void *buffer, int count)
+{
+ if (count) {
+ const u16 *buf = buffer;
+ do {
+ outw(*buf++, addr);
+ } while (--count);
+ }
+}
+#endif
+
+#ifndef outsl
+static inline void outsl(unsigned long addr, const void *buffer, int count)
+{
+ if (count) {
+ const u32 *buf = buffer;
+ do {
+ outl(*buf++, addr);
+ } while (--count);
+ }
+}
+#endif
+
+#define ioread8_rep(p, dst, count) \
+ insb((unsigned long) (p), (dst), (count))
+#define ioread16_rep(p, dst, count) \
+ insw((unsigned long) (p), (dst), (count))
+#define ioread32_rep(p, dst, count) \
+ insl((unsigned long) (p), (dst), (count))
+
+#define iowrite8_rep(p, src, count) \
+ outsb((unsigned long) (p), (src), (count))
+#define iowrite16_rep(p, src, count) \
+ outsw((unsigned long) (p), (src), (count))
+#define iowrite32_rep(p, src, count) \
+ outsl((unsigned long) (p), (src), (count))
+
#endif /* _ASM_MICROBLAZE_IO_H */