Merge branch 'master' of git://git.denx.de/u-boot-blackfin

[platform/kernel/u-boot.git] / include / asm-nios2 / io.h

diff --git a/include/asm-nios2/io.h b/include/asm-nios2/io.h
index 54cbd57..121405c 100644 (file)
--- a/include/asm-nios2/io.h
+++ b/include/asm-nios2/io.h
@@ -29,6 +29,35 @@ static inline void sync(void)
        __asm__ __volatile__ ("sync" : : : "memory");
 }
 
+/*
+ * Given a physical address and a length, return a virtual address
+ * that can be used to access the memory range with the caching
+ * properties specified by "flags".
+ */
+#define MAP_NOCACHE    (0)
+#define MAP_WRCOMBINE  (0)
+#define MAP_WRBACK     (0)
+#define MAP_WRTHROUGH  (0)
+
+static inline void *
+map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
+{
+       return (void *)paddr;
+}
+
+/*
+ * Take down a mapping set up by map_physmem().
+ */
+static inline void unmap_physmem(void *vaddr, unsigned long flags)
+{
+
+}
+
+static inline phys_addr_t virt_to_phys(void * vaddr)
+{
+       return (phys_addr_t)(vaddr);
+}
+
 extern unsigned char inb (unsigned char *port);
 extern unsigned short inw (unsigned short *port);
 extern unsigned inl (unsigned port);
@@ -51,19 +80,19 @@ extern unsigned inl (unsigned port);
        ({unsigned long val;\
         asm volatile( "ldwio %0, 0(%1)" :"=r"(val) : "r" (addr)); val;})
 
-#define writeb(addr,val)\
-       asm volatile ("stbio %1, 0(%0)" : : "r" (addr), "r" (val))
-#define writew(addr,val)\
-       asm volatile ("sthio %1, 0(%0)" : : "r" (addr), "r" (val))
-#define writel(addr,val)\
-       asm volatile ("stwio %1, 0(%0)" : : "r" (addr), "r" (val))
+#define writeb(val,addr)\
+       asm volatile ("stbio %0, 0(%1)" : : "r" (val), "r" (addr))
+#define writew(val,addr)\
+       asm volatile ("sthio %0, 0(%1)" : : "r" (val), "r" (addr))
+#define writel(val,addr)\
+       asm volatile ("stwio %0, 0(%1)" : : "r" (val), "r" (addr))
 
 #define inb(addr)      readb(addr)
 #define inw(addr)      readw(addr)
 #define inl(addr)      readl(addr)
-#define outb(addr,val) writeb(addr,val)
-#define outw(addr,val) writew(addr,val)
-#define outl(addr,val) writel(addr,val)
+#define outb(val, addr)        writeb(val,addr)
+#define outw(val, addr)        writew(val,addr)
+#define outl(val, addr)        writel(val,addr)
 
 static inline void insb (unsigned long port, void *dst, unsigned long count)
 {