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Diffstat (limited to 'arch/blackfin/include/asm/cacheflush.h')
-rw-r--r--arch/blackfin/include/asm/cacheflush.h118
1 files changed, 0 insertions, 118 deletions
diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h
deleted file mode 100644
index 9a5b2c572ebf..000000000000
--- a/arch/blackfin/include/asm/cacheflush.h
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * Blackfin low-level cache routines
- *
- * Copyright 2004-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#ifndef _BLACKFIN_CACHEFLUSH_H
-#define _BLACKFIN_CACHEFLUSH_H
-
-#include <asm/blackfin.h> /* for SSYNC() */
-#include <asm/sections.h> /* for _ramend */
-#ifdef CONFIG_SMP
-#include <asm/smp.h>
-#endif
-
-extern void blackfin_icache_flush_range(unsigned long start_address, unsigned long end_address);
-extern void blackfin_dcache_flush_range(unsigned long start_address, unsigned long end_address);
-extern void blackfin_dcache_invalidate_range(unsigned long start_address, unsigned long end_address);
-extern void blackfin_dflush_page(void *page);
-extern void blackfin_invalidate_entire_dcache(void);
-extern void blackfin_invalidate_entire_icache(void);
-
-#define flush_dcache_mmap_lock(mapping) do { } while (0)
-#define flush_dcache_mmap_unlock(mapping) do { } while (0)
-#define flush_cache_mm(mm) do { } while (0)
-#define flush_cache_range(vma, start, end) do { } while (0)
-#define flush_cache_page(vma, vmaddr) do { } while (0)
-#define flush_cache_vmap(start, end) do { } while (0)
-#define flush_cache_vunmap(start, end) do { } while (0)
-
-#ifdef CONFIG_SMP
-#define flush_icache_range_others(start, end) \
- smp_icache_flush_range_others((start), (end))
-#else
-#define flush_icache_range_others(start, end) do { } while (0)
-#endif
-
-static inline void flush_icache_range(unsigned start, unsigned end)
-{
-#if defined(CONFIG_BFIN_EXTMEM_WRITEBACK)
- if (end <= physical_mem_end)
- blackfin_dcache_flush_range(start, end);
-#endif
-#if defined(CONFIG_BFIN_L2_WRITEBACK)
- if (start >= L2_START && end <= L2_START + L2_LENGTH)
- blackfin_dcache_flush_range(start, end);
-#endif
-
- /* Make sure all write buffers in the data side of the core
- * are flushed before trying to invalidate the icache. This
- * needs to be after the data flush and before the icache
- * flush so that the SSYNC does the right thing in preventing
- * the instruction prefetcher from hitting things in cached
- * memory at the wrong time -- it runs much further ahead than
- * the pipeline.
- */
- SSYNC();
-#if defined(CONFIG_BFIN_EXTMEM_ICACHEABLE)
- if (end <= physical_mem_end) {
- blackfin_icache_flush_range(start, end);
- flush_icache_range_others(start, end);
- }
-#endif
-#if defined(CONFIG_BFIN_L2_ICACHEABLE)
- if (start >= L2_START && end <= L2_START + L2_LENGTH) {
- blackfin_icache_flush_range(start, end);
- flush_icache_range_others(start, end);
- }
-#endif
-}
-
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
-do { memcpy(dst, src, len); \
- flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \
-} while (0)
-
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) memcpy(dst, src, len)
-
-#if defined(CONFIG_BFIN_DCACHE)
-# define invalidate_dcache_range(start,end) blackfin_dcache_invalidate_range((start), (end))
-#else
-# define invalidate_dcache_range(start,end) do { } while (0)
-#endif
-#if defined(CONFIG_BFIN_EXTMEM_WRITEBACK) || defined(CONFIG_BFIN_L2_WRITEBACK)
-# define flush_dcache_range(start,end) blackfin_dcache_flush_range((start), (end))
-#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
-# define flush_dcache_page(page) blackfin_dflush_page(page_address(page))
-#else
-# define flush_dcache_range(start,end) do { } while (0)
-#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
-# define flush_dcache_page(page) do { } while (0)
-#endif
-
-extern unsigned long reserved_mem_dcache_on;
-extern unsigned long reserved_mem_icache_on;
-
-static inline int bfin_addr_dcacheable(unsigned long addr)
-{
-#ifdef CONFIG_BFIN_EXTMEM_DCACHEABLE
- if (addr < (_ramend - DMA_UNCACHED_REGION))
- return 1;
-#endif
-
- if (reserved_mem_dcache_on &&
- addr >= _ramend && addr < physical_mem_end)
- return 1;
-
-#ifdef CONFIG_BFIN_L2_DCACHEABLE
- if (addr >= L2_START && addr < L2_START + L2_LENGTH)
- return 1;
-#endif
-
- return 0;
-}
-
-#endif /* _BLACKFIN_ICACHEFLUSH_H */