Merge branch 'master' of git://www.denx.de/git/u-boot-ppc4xx

[oweals/u-boot.git] / include / asm-nios / io.h

diff --git a/include/asm-nios/io.h b/include/asm-nios/io.h
index 07499d966d5a6645daa61964e97b3941c197b787..6fc339fb01994fed03b435b0e5c5dd40ad9f0ea6 100644 (file)
--- a/include/asm-nios/io.h
+++ b/include/asm-nios/io.h
@@ -23,6 +23,14 @@
 #ifndef __ASM_NIOS_IO_H_
 #define __ASM_NIOS_IO_H_
 
+#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(  "       pfxio   0               \n"\
@@ -97,4 +105,34 @@ static inline void outsl (unsigned long port, const void *src, unsigned long cou
        while (count--) outl (*p++, port);
 }
 
+static inline void sync(void)
+{
+}
+
+/*
+ * 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".
+ */
+typedef unsigned long phys_addr_t;
+
+#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)
+{
+
+}
+
 #endif /* __ASM_NIOS_IO_H_ */