X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fasm-arm%2Fio.h;h=fec3a7eace50ce220355e03bdd5629eed23be80a;hb=92afd368bba7d98b2b7bfb51082c3639bb2119b3;hp=47c18e7e86965defdf8500c739bffe4dc1424a19;hpb=dd0321f5f8d284782abee6e96c6da7548e88839f;p=oweals%2Fu-boot.git

diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index 47c18e7e86..fec3a7eace 100644
--- a/include/asm-arm/io.h
+++ b/include/asm-arm/io.h
@@ -33,6 +33,35 @@ 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)
+{
+
+}
+
+static inline phys_addr_t virt_to_phys(void * vaddr)
+{
+	return (phys_addr_t)(vaddr);
+}
+
 /*
  * Generic virtual read/write.  Note that we don't support half-word
  * read/writes.  We define __arch_*[bl] here, and leave __arch_*w
@@ -99,7 +128,7 @@ extern void __raw_readsl(unsigned int addr, void *data, int longlen);
  * only.  Their primary purpose is to access PCI and ISA peripherals.
  *
  * Note that for a big endian machine, this implies that the following
- * big endian mode connectivity is in place, as described by numerious
+ * big endian mode connectivity is in place, as described by numerous
  * ARM documents:
  *
  *    PCI:  D0-D7   D8-D15 D16-D23 D24-D31