Convert the x86 architecture to make use of the new asm-generic/io.h to
provide address mapping functions. As the generic implementations are
suitable for x86 this is primarily a matter of moving code.
This has only been build-tested, feedback from architecture maintainers
is welcome.
Signed-off-by: Paul Burton <paul.bur...@imgtec.com>
Cc: Simon Glass <s...@chromium.org>
Reviewed-by: Simon Glass <s...@chromium.org>
---
Changes in v2: None
arch/x86/include/asm/io.h | 31 ++-----------------------------
1 file changed, 2 insertions(+), 29 deletions(-)
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index a72daf2263..263dd8fd17 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -230,35 +230,6 @@ 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 *)(uintptr_t)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)(uintptr_t)(vaddr);
-}
-
/*
* TODO: The kernel offers some more advanced versions of barriers, it might
* have some advantages to use them instead of the simple one here.
@@ -267,4 +238,6 @@ static inline phys_addr_t virt_to_phys(void * vaddr)
#define __iormb() dmb()
#define __iowmb() dmb()
+#include <asm-generic/io.h>
+
#endif /* _ASM_IO_H */
--
2.14.1
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