summaryrefslogtreecommitdiff
path: root/arch/microblaze/cpu/cache.c
diff options
context:
space:
mode:
authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:16 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:26 +0200
commit6260fb0458d94c83aa5b180745b1946c0c94d364 (patch)
treee48fdfbfc874a78b22f6e0b914a7661e42a7e15f /arch/microblaze/cpu/cache.c
parent8a15c2d10b0b784f0cfba1240f06a4d933b975fa (diff)
downloadu-boot-6260fb0458d94c83aa5b180745b1946c0c94d364.tar.gz
microblaze: Move cpu/microblaze/* to arch/microblaze/cpu/*
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/microblaze/cpu/cache.c')
-rw-r--r--arch/microblaze/cpu/cache.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/microblaze/cpu/cache.c b/arch/microblaze/cpu/cache.c
new file mode 100644
index 0000000000..3b7c4d4f7f
--- /dev/null
+++ b/arch/microblaze/cpu/cache.c
@@ -0,0 +1,62 @@
+/*
+ * (C) Copyright 2007 Michal Simek
+ *
+ * Michal SIMEK <monstr@monstr.eu>
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <asm/asm.h>
+
+int dcache_status (void)
+{
+ int i = 0;
+ int mask = 0x80;
+ __asm__ __volatile__ ("mfs %0,rmsr"::"r" (i):"memory");
+ /* i&=0x80 */
+ __asm__ __volatile__ ("and %0,%0,%1"::"r" (i), "r" (mask):"memory");
+ return i;
+}
+
+int icache_status (void)
+{
+ int i = 0;
+ int mask = 0x20;
+ __asm__ __volatile__ ("mfs %0,rmsr"::"r" (i):"memory");
+ /* i&=0x20 */
+ __asm__ __volatile__ ("and %0,%0,%1"::"r" (i), "r" (mask):"memory");
+ return i;
+}
+
+void icache_enable (void) {
+ MSRSET(0x20);
+}
+
+void icache_disable(void) {
+ MSRCLR(0x20);
+}
+
+void dcache_enable (void) {
+ MSRSET(0x80);
+}
+
+void dcache_disable(void) {
+ MSRCLR(0x80);
+}