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-rw-r--r--u-boot/arch/arm/lib/cache.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/u-boot/arch/arm/lib/cache.c b/u-boot/arch/arm/lib/cache.c
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+++ b/u-boot/arch/arm/lib/cache.c
@@ -0,0 +1,47 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* for now: just dummy functions to satisfy the linker */
+
+#include <common.h>
+
+void flush_cache (unsigned long dummy1, unsigned long dummy2)
+{
+#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;
+}