X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fasm-nios%2Fio.h;h=8b788068b3d5482219fa6228486f418276f8bb0f;hb=fbcb7ece0ea1e364180f1cf963e0fa0ce7f6560d;hp=08e46a3711170e0503368d210c7a4fb1734c56b8;hpb=812711ce6b3a386125dcf0d6a59588e461abbb87;p=u-boot

diff --git a/include/asm-nios/io.h b/include/asm-nios/io.h
index 08e46a3711..8b788068b3 100644
--- a/include/asm-nios/io.h
+++ b/include/asm-nios/io.h
@@ -34,21 +34,21 @@
 #define readb(addr)\
 	({unsigned char val;\
 	 asm volatile(  "	pfxio	0		\n"\
-		 	"	ld	%0, [%1]	\n"\
+			"	ld	%0, [%1]	\n"\
 			"	ext8d	%0, %1		\n"\
 			:"=r"(val) : "r" (addr)); val;})
 
 #define readw(addr)\
 	({unsigned short val;\
 	 asm volatile(  "	pfxio	0		\n"\
-		 	"	ld	%0, [%1]	\n"\
+			"	ld	%0, [%1]	\n"\
 			"	ext16d	%0, %1		\n"\
 			:"=r"(val) : "r" (addr)); val;})
 
 #define readl(addr)\
 	({unsigned long val;\
 	 asm volatile(  "	pfxio	0		\n"\
-		 	"	ld	%0, [%1]	\n"\
+			"	ld	%0, [%1]	\n"\
 			:"=r"(val) : "r" (addr)); val;})
 
 #define writeb(addr,val)\
@@ -109,4 +109,28 @@ 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".
+ */
+#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_ */