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-rw-r--r--arch/avr32/include/asm/cacheflush.h132
1 files changed, 0 insertions, 132 deletions
diff --git a/arch/avr32/include/asm/cacheflush.h b/arch/avr32/include/asm/cacheflush.h
deleted file mode 100644
index 96e53820bbbd..000000000000
--- a/arch/avr32/include/asm/cacheflush.h
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Copyright (C) 2004-2006 Atmel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#ifndef __ASM_AVR32_CACHEFLUSH_H
-#define __ASM_AVR32_CACHEFLUSH_H
-
-/* Keep includes the same across arches. */
-#include <linux/mm.h>
-
-#define CACHE_OP_ICACHE_INVALIDATE 0x01
-#define CACHE_OP_DCACHE_INVALIDATE 0x0b
-#define CACHE_OP_DCACHE_CLEAN 0x0c
-#define CACHE_OP_DCACHE_CLEAN_INVAL 0x0d
-
-/*
- * Invalidate any cacheline containing virtual address vaddr without
- * writing anything back to memory.
- *
- * Note that this function may corrupt unrelated data structures when
- * applied on buffers that are not cacheline aligned in both ends.
- */
-static inline void invalidate_dcache_line(void *vaddr)
-{
- asm volatile("cache %0[0], %1"
- :
- : "r"(vaddr), "n"(CACHE_OP_DCACHE_INVALIDATE)
- : "memory");
-}
-
-/*
- * Make sure any cacheline containing virtual address vaddr is written
- * to memory.
- */
-static inline void clean_dcache_line(void *vaddr)
-{
- asm volatile("cache %0[0], %1"
- :
- : "r"(vaddr), "n"(CACHE_OP_DCACHE_CLEAN)
- : "memory");
-}
-
-/*
- * Make sure any cacheline containing virtual address vaddr is written
- * to memory and then invalidate it.
- */
-static inline void flush_dcache_line(void *vaddr)
-{
- asm volatile("cache %0[0], %1"
- :
- : "r"(vaddr), "n"(CACHE_OP_DCACHE_CLEAN_INVAL)
- : "memory");
-}
-
-/*
- * Invalidate any instruction cacheline containing virtual address
- * vaddr.
- */
-static inline void invalidate_icache_line(void *vaddr)
-{
- asm volatile("cache %0[0], %1"
- :
- : "r"(vaddr), "n"(CACHE_OP_ICACHE_INVALIDATE)
- : "memory");
-}
-
-/*
- * Applies the above functions on all lines that are touched by the
- * specified virtual address range.
- */
-void invalidate_dcache_region(void *start, size_t len);
-void clean_dcache_region(void *start, size_t len);
-void flush_dcache_region(void *start, size_t len);
-void invalidate_icache_region(void *start, size_t len);
-
-/*
- * Make sure any pending writes are completed before continuing.
- */
-#define flush_write_buffer() asm volatile("sync 0" : : : "memory")
-
-/*
- * The following functions are called when a virtual mapping changes.
- * We do not need to flush anything in this case.
- */
-#define flush_cache_all() do { } while (0)
-#define flush_cache_mm(mm) do { } while (0)
-#define flush_cache_dup_mm(mm) do { } while (0)
-#define flush_cache_range(vma, start, end) do { } while (0)
-#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
-#define flush_cache_vmap(start, end) do { } while (0)
-#define flush_cache_vunmap(start, end) do { } while (0)
-
-/*
- * I think we need to implement this one to be able to reliably
- * execute pages from RAMDISK. However, if we implement the
- * flush_dcache_*() functions, it might not be needed anymore.
- *
- * #define flush_icache_page(vma, page) do { } while (0)
- */
-extern void flush_icache_page(struct vm_area_struct *vma, struct page *page);
-
-/*
- * These are (I think) related to D-cache aliasing. We might need to
- * do something here, but only for certain configurations. No such
- * configurations exist at this time.
- */
-#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
-#define flush_dcache_page(page) do { } while (0)
-#define flush_dcache_mmap_lock(page) do { } while (0)
-#define flush_dcache_mmap_unlock(page) do { } while (0)
-
-/*
- * These are for I/D cache coherency. In this case, we do need to
- * flush with all configurations.
- */
-extern void flush_icache_range(unsigned long start, unsigned long end);
-
-extern void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
- unsigned long vaddr, void *dst, const void *src,
- unsigned long len);
-
-static inline void copy_from_user_page(struct vm_area_struct *vma,
- struct page *page, unsigned long vaddr, void *dst,
- const void *src, unsigned long len)
-{
- memcpy(dst, src, len);
-}
-
-#endif /* __ASM_AVR32_CACHEFLUSH_H */