---

yaml --- r: 251376 b: refs/heads/master c: bc6b92f h: refs/heads/master v: v3
git-mirror · May 25, 2011 · a39b88d · a39b88d
1 parent b2fe7ef
commit a39b88d
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Showing 2 changed files with 19 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 73ecfcf9088672220f7ca98811b2d05339c4f14c
+refs/heads/master: bc6b92f8c31788a2fdc65d9be903983e5da78921
diff --git a/trunk/arch/blackfin/include/asm/cacheflush.h b/trunk/arch/blackfin/include/asm/cacheflush.h
@@ -39,8 +39,13 @@ extern void blackfin_invalidate_entire_icache(void);
 
 static inline void flush_icache_range(unsigned start, unsigned end)
 {
-#if defined(CONFIG_BFIN_EXTMEM_WRITEBACK) || defined(CONFIG_BFIN_L2_WRITEBACK)
-	blackfin_dcache_flush_range(start, 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
@@ -52,9 +57,17 @@ static inline void flush_icache_range(unsigned start, unsigned end)
 	 * the pipeline.
 	 */
 	SSYNC();
-#if defined(CONFIG_BFIN_ICACHE)
-	blackfin_icache_flush_range(start, end);
-	flush_icache_range_others(start, end);
+#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
 }