* Change virtual addresses to physical addresses and vv.
* These are trivial on the 1:1 Linux/MIPS mapping
*/
-extern inline unsigned long virt_to_phys(volatile void * address)
+extern inline phys_addr_t virt_to_phys(volatile void * address)
{
- return PHYSADDR(address);
+ return CPHYSADDR(address);
}
extern inline void * phys_to_virt(unsigned long address)
*/
extern inline unsigned long virt_to_bus(volatile void * address)
{
- return PHYSADDR(address);
+ return CPHYSADDR(address);
}
extern inline void * bus_to_virt(unsigned long address)
{
}
+/*
+ * 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_IO_H */