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authorLen Brown <len.brown@intel.com>2008-10-22 23:57:26 -0400
committerLen Brown <len.brown@intel.com>2008-10-23 00:11:07 -0400
commit057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch)
tree4333e608da237c73ff69b10878025cca96dcb4c8 /arch/blackfin/include/asm/cacheflush.h
parent3e2dab9a1c2deb03c311eb3f83466009147ed4d3 (diff)
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
Merge branch 'linus' into test
Conflicts: MAINTAINERS arch/x86/kernel/acpi/boot.c arch/x86/kernel/acpi/sleep.c drivers/acpi/Kconfig drivers/pnp/Makefile drivers/pnp/quirks.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'arch/blackfin/include/asm/cacheflush.h')
-rw-r--r--arch/blackfin/include/asm/cacheflush.h29
1 files changed, 22 insertions, 7 deletions
diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h
index d81a77545a0..4403415583f 100644
--- a/arch/blackfin/include/asm/cacheflush.h
+++ b/arch/blackfin/include/asm/cacheflush.h
@@ -30,13 +30,11 @@
#ifndef _BLACKFIN_CACHEFLUSH_H
#define _BLACKFIN_CACHEFLUSH_H
-#include <asm/cplb.h>
-
-extern void blackfin_icache_dcache_flush_range(unsigned int, unsigned int);
-extern void blackfin_icache_flush_range(unsigned int, unsigned int);
-extern void blackfin_dcache_flush_range(unsigned int, unsigned int);
-extern void blackfin_dcache_invalidate_range(unsigned int, unsigned int);
-extern void blackfin_dflush_page(void *);
+extern void blackfin_icache_dcache_flush_range(unsigned long start_address, unsigned long end_address);
+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);
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
@@ -87,4 +85,21 @@ do { memcpy(dst, src, len); \
# 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_dcachable(unsigned long addr)
+{
+#ifdef CONFIG_BFIN_DCACHE
+ if (addr < (_ramend - DMA_UNCACHED_REGION))
+ return 1;
+#endif
+
+ if (reserved_mem_dcache_on &&
+ addr >= _ramend && addr < physical_mem_end)
+ return 1;
+
+ return 0;
+}
+
#endif /* _BLACKFIN_ICACHEFLUSH_H */