arch/tile: various header improvements for building drivers

[karo-tx-linux.git] / arch / tile / include / asm / io.h

diff --git a/arch/tile/include/asm/io.h b/arch/tile/include/asm/io.h
index d3cbb9b14cbe4b7950575c46b6f8b34312f42a78..c9ea1652af03c609f355ec12c456a45e0dd826f3 100644 (file)
--- a/arch/tile/include/asm/io.h
+++ b/arch/tile/include/asm/io.h
@@ -52,6 +52,7 @@ extern void iounmap(volatile void __iomem *addr);
 #endif
 
 #define ioremap_nocache(physaddr, size)                ioremap(physaddr, size)
+#define ioremap_wc(physaddr, size)             ioremap(physaddr, size)
 #define ioremap_writethrough(physaddr, size)   ioremap(physaddr, size)
 #define ioremap_fullcache(physaddr, size)      ioremap(physaddr, size)
 
@@ -161,6 +162,15 @@ static inline void _tile_writeq(u64 val, unsigned long addr)
 #define iowrite32 writel
 #define iowrite64 writeq
 
+static inline void memset_io(void *dst, int val, size_t len)
+{
+       int x;
+       BUG_ON((unsigned long)dst & 0x3);
+       val = (val & 0xff) * 0x01010101;
+       for (x = 0; x < len; x += 4)
+               writel(val, dst + x);
+}
+
 static inline void memcpy_fromio(void *dst, const volatile void __iomem *src,
                                 size_t len)
 {
@@ -269,6 +279,11 @@ static inline void outsl(unsigned long addr, const void *buffer, int count)
        ioport_panic();
 }
 
+#define ioread16be(addr)       be16_to_cpu(ioread16(addr))
+#define ioread32be(addr)       be32_to_cpu(ioread32(addr))
+#define iowrite16be(v, addr)   iowrite16(be16_to_cpu(v), (addr))
+#define iowrite32be(v, addr)   iowrite32(be32_to_cpu(v), (addr))
+
 #define ioread8_rep(p, dst, count) \
        insb((unsigned long) (p), (dst), (count))
 #define ioread16_rep(p, dst, count) \
@@ -283,4 +298,7 @@ static inline void outsl(unsigned long addr, const void *buffer, int count)
 #define iowrite32_rep(p, src, count) \
        outsl((unsigned long) (p), (src), (count))
 
+#define virt_to_bus     virt_to_phys
+#define bus_to_virt     phys_to_virt
+
 #endif /* _ASM_TILE_IO_H */