From 50f0d211912a648e31aa9123b4665a0444bb8ca9 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 7 Aug 2008 15:21:47 -0400
Subject: Blackfin: unify cache handling code

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 lib_blackfin/cache.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'lib_blackfin')

diff --git a/lib_blackfin/cache.c b/lib_blackfin/cache.c
index c2f6e28..41e2a62 100644
--- a/lib_blackfin/cache.c
+++ b/lib_blackfin/cache.c
@@ -11,6 +11,7 @@
 
 #include <common.h>
 #include <asm/blackfin.h>
+#include <asm/mach-common/bits/mpu.h>
 
 void flush_cache(unsigned long addr, unsigned long size)
 {
@@ -24,3 +25,37 @@ void flush_cache(unsigned long addr, unsigned long size)
 	if (dcache_status())
 		blackfin_dcache_flush_range((void *)addr, (void *)(addr + size));
 }
+
+void icache_enable(void)
+{
+	bfin_write_IMEM_CONTROL(IMC | ENICPLB);
+	SSYNC();
+}
+
+void icache_disable(void)
+{
+	bfin_write_IMEM_CONTROL(0);
+	SSYNC();
+}
+
+int icache_status(void)
+{
+	return bfin_read_IMEM_CONTROL() & ENICPLB;
+}
+
+void dcache_enable(void)
+{
+	bfin_write_DMEM_CONTROL(ACACHE_BCACHE | ENDCPLB | PORT_PREF0);
+	SSYNC();
+}
+
+void dcache_disable(void)
+{
+	bfin_write_DMEM_CONTROL(0);
+	SSYNC();
+}
+
+int dcache_status(void)
+{
+	return bfin_read_DMEM_CONTROL() & ENDCPLB;
+}
-- 
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