arm: make default implementation of cache_flush() weakly linked

[u-boot] / arch / arm / lib / cache.c

diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c
index 61ee9d3b13b96bfc5b8387a78de4edf990a5b166..27123cd121f03c57a03aa4e73e92682dbd7c408c 100644 (file)
--- a/arch/arm/lib/cache.c
+++ b/arch/arm/lib/cache.c
@@ -25,12 +25,25 @@
 
 #include <common.h>
 
-void  flush_cache (unsigned long dummy1, unsigned long dummy2)
+void  __flush_cache(unsigned long start, unsigned long size)
 {
-#ifdef CONFIG_OMAP2420
+#if defined(CONFIG_OMAP2420) || defined(CONFIG_ARM1136)
        void arm1136_cache_flush(void);
 
        arm1136_cache_flush();
+#endif
+#ifdef CONFIG_ARM926EJS
+       /* test and clean, page 2-23 of arm926ejs manual */
+       asm("0: mrc p15, 0, r15, c7, c10, 3\n\t" "bne 0b\n" : : : "memory");
+       /* disable write buffer as well (page 2-22) */
+       asm("mcr p15, 0, %0, c7, c10, 4" : : "r" (0));
+#endif
+#ifdef CONFIG_OMAP34XX
+       void v7_flush_cache_all(void);
+
+       v7_flush_cache_all();
 #endif
        return;
 }
+void  flush_cache(unsigned long start, unsigned long size)
+       __attribute__((weak, alias("__flush_cache")));