#include <linux/types.h>
#include <asm/byteorder.h>
#include <asm/memory.h>
+#include <asm/barriers.h>
#if 0 /* XXX###XXX */
#include <asm/arch/hardware.h>
#endif /* XXX###XXX */
{
}
-/*
- * 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 *)((unsigned long)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)((unsigned long)vaddr);
-}
-
/*
* Generic virtual read/write. Note that we don't support half-word
* read/writes. We define __arch_*[bl] here, and leave __arch_*w
* TODO: The kernel offers some more advanced versions of barriers, it might
* have some advantages to use them instead of the simple one here.
*/
-#define mb() asm volatile("dsb sy" : : : "memory")
-#define dmb() __asm__ __volatile__ ("" : : : "memory")
+#define mb() dsb()
#define __iormb() dmb()
#define __iowmb() dmb()
#define writesb(a, d, s) __raw_writesb((unsigned long)a, d, s)
#define readsb(a, d, s) __raw_readsb((unsigned long)a, d, s)
-/*
- * ioremap and friends.
- *
- * ioremap takes a PCI memory address, as specified in
- * linux/Documentation/IO-mapping.txt. If you want a
- * physical address, use __ioremap instead.
- */
-extern void * __ioremap(unsigned long offset, size_t size, unsigned long flags);
-extern void __iounmap(void *addr);
-
-/*
- * Generic ioremap support.
- *
- * Define:
- * iomem_valid_addr(off,size)
- * iomem_to_phys(off)
- */
-#ifdef iomem_valid_addr
-#define __arch_ioremap(off,sz,nocache) \
- ({ \
- unsigned long _off = (off), _size = (sz); \
- void *_ret = (void *)0; \
- if (iomem_valid_addr(_off, _size)) \
- _ret = __ioremap(iomem_to_phys(_off),_size,nocache); \
- _ret; \
- })
-
-#define __arch_iounmap __iounmap
-#endif
-
-#define ioremap(off,sz) __arch_ioremap((off),(sz),0)
-#define ioremap_nocache(off,sz) __arch_ioremap((off),(sz),1)
-#define iounmap(_addr) __arch_iounmap(_addr)
-
/*
* DMA-consistent mapping functions. These allocate/free a region of
* uncached, unwrite-buffered mapped memory space for use with DMA
#endif /* __mem_isa */
#endif /* __KERNEL__ */
+#include <asm-generic/io.h>
#include <iotrace.h>
#endif /* __ASM_ARM_IO_H */