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-rw-r--r--arch/blackfin/include/asm/cplbinit.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/blackfin/include/asm/cplbinit.h b/arch/blackfin/include/asm/cplbinit.h
index 0eb1c1b685a..d179b747ff0 100644
--- a/arch/blackfin/include/asm/cplbinit.h
+++ b/arch/blackfin/include/asm/cplbinit.h
@@ -90,6 +90,20 @@ extern u_long dpdt_swapcount_table[];
extern unsigned long reserved_mem_dcache_on;
extern unsigned long reserved_mem_icache_on;
-extern void generate_cpl_tables(void);
+extern void generate_cplb_tables(void);
+
+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