From: Minkyu Kang <mk7.kang@samsung.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] arm_cortexa8: support cache flush to other soc
Date: Fri, 04 Sep 2009 17:26:00 +0900 [thread overview]
Message-ID: <4AA0CF18.9020807@samsung.com> (raw)
Current code is supported only omap3 soc.
this patch will support s5pc1xx(s5pc100 and s5pc110) soc also.
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
---
cpu/arm_cortexa8/cpu.c | 24 +++++++++++-------------
1 files changed, 11 insertions(+), 13 deletions(-)
diff --git a/cpu/arm_cortexa8/cpu.c b/cpu/arm_cortexa8/cpu.c
index 5a5981e..3d430b1 100644
--- a/cpu/arm_cortexa8/cpu.c
+++ b/cpu/arm_cortexa8/cpu.c
@@ -35,9 +35,6 @@
#include <command.h>
#include <asm/system.h>
#include <asm/cache.h>
-#ifndef CONFIG_L2_OFF
-#include <asm/arch/sys_proto.h>
-#endif
static void cache_flush(void);
@@ -61,17 +58,18 @@ int cleanup_before_linux(void)
cache_flush();
#ifndef CONFIG_L2_OFF
- /* turn off L2 cache */
- l2_cache_disable();
- /* invalidate L2 cache also */
- v7_flush_dcache_all(get_device_type());
-#endif
- i = 0;
- /* mem barrier to sync up things */
- asm("mcr p15, 0, %0, c7, c10, 4": :"r"(i));
+ if (get_device_type() != 0xC100) {
+ /* turn off L2 cache */
+ l2_cache_disable();
+ /* invalidate L2 cache also */
+ v7_flush_dcache_all(get_device_type());
-#ifndef CONFIG_L2_OFF
- l2_cache_enable();
+ i = 0;
+ /* mem barrier to sync up things */
+ asm("mcr p15, 0, %0, c7, c10, 4": :"r"(i));
+
+ l2_cache_enable();
+ }
#endif
return 0;
--
1.5.4.3
next reply other threads:[~2009-09-04 8:26 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-04 8:26 Minkyu Kang [this message]
2009-09-04 8:43 ` [U-Boot] [PATCH] arm_cortexa8: support cache flush to other soc Dirk Behme
2009-09-04 9:34 ` Kyungmin Park
2009-09-04 10:45 ` Dirk Behme
2009-09-04 10:54 ` Kyungmin Park
2009-09-04 11:43 ` Dirk Behme
2009-09-04 14:29 ` Minkyu Kang
2009-09-04 15:06 ` Dirk Behme
2009-09-07 1:31 ` Minkyu Kang
2009-09-07 16:52 ` Dirk Behme
2009-09-08 0:06 ` Minkyu Kang
2009-09-08 0:47 ` Tom
2009-09-08 18:51 ` Dirk Behme
2009-09-08 22:23 ` Tom
2009-09-09 5:34 ` Minkyu Kang
2009-09-09 11:24 ` Tom
2009-09-09 12:04 ` Minkyu Kang
2009-09-10 19:02 ` Tom
2009-09-10 19:36 ` Paulraj, Sandeep
2009-09-04 22:24 ` Jean-Christophe PLAGNIOL-VILLARD
2009-09-04 11:06 ` Wolfgang Denk
2009-09-04 11:11 ` Kyungmin Park
2009-09-04 11:48 ` Wolfgang Denk
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