arm1136: move cache code from start.S to cache.c

[karo-tx-uboot.git] / arch / arm / lib / cache.c

diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c
index 6cc136aa3c1e6baeddded6fd8c670e62aac23243..4f6b9f01cb55587bc00483693be903a7750a1a9c 100644 (file)
--- a/arch/arm/lib/cache.c
+++ b/arch/arm/lib/cache.c
@@ -12,16 +12,23 @@
 void  __flush_cache(unsigned long start, unsigned long size)
 {
 #if defined(CONFIG_ARM1136)
-       void arm1136_cache_flush(void);
 
-       arm1136_cache_flush();
+#if !defined(CONFIG_SYS_ICACHE_OFF)
+       asm("mcr p15, 0, r1, c7, c5, 0"); /* invalidate I cache */
 #endif
+
+#if !defined(CONFIG_SYS_DCACHE_OFF)
+       asm("mcr p15, 0, r1, c7, c14, 0"); /* Clean+invalidate D cache */
+#endif
+
+#endif /* CONFIG_ARM1136 */
+
 #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
+#endif /* CONFIG_ARM926EJS */
        return;
 }
 void  flush_cache(unsigned long start, unsigned long size)