#ifndef __ASM_NIOS2_IO_H_
#define __ASM_NIOS2_IO_H_
-#define sync() asm volatile ("sync" : : : "memory");
+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);
+#define __raw_writeb(v,a) (*(volatile unsigned char *)(a) = (v))
+#define __raw_writew(v,a) (*(volatile unsigned short *)(a) = (v))
+#define __raw_writel(v,a) (*(volatile unsigned int *)(a) = (v))
+
+#define __raw_readb(a) (*(volatile unsigned char *)(a))
+#define __raw_readw(a) (*(volatile unsigned short *)(a))
+#define __raw_readl(a) (*(volatile unsigned int *)(a))
+
#define readb(addr)\
({unsigned char val;\
asm volatile( "ldbio %0, 0(%1)" :"=r"(val) : "r" (addr)); val;})
({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)
{