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authorFrank Li <Frank.Li@freescale.com>2013-11-13 23:26:40 +0800
committerFrank Li <Frank.Li@freescale.com>2013-11-14 00:41:40 +0800
commit15ecf2d35389137fbae090672a095825bc4d57e1 (patch)
treee7e81aa3b899f5ec9b71555ab03badd267a37148
parentbb0c13dcc7ceb7f65df663c3e1d23e0168a3f435 (diff)
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ENGR00287923 fix random hang when download by mfgtools
ROM did not invalidate L1 cache when download by usb Need invalidate L1 cache before enable cache Signed-off-by: Huang yongcai <b20788@freescale.com> Signed-off-by: Frank Li <Frank.Li@freescale.com>
-rw-r--r--arch/arm/cpu/armv7/mx6/soc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 2d348e5..b52c294 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -382,6 +382,8 @@ int arch_cpu_init(void)
#ifndef CONFIG_SYS_DCACHE_OFF
void enable_caches(void)
{
+ /* Avoid random hang when download by usb */
+ invalidate_dcache_all();
/* Enable D-cache. I-cache is already enabled in start.S */
dcache_enable();
}