ROM did not invalidate L1 cache when download by usb
Need invalidate L1 cache before enable cache
Signed-off-by: Huang yongcai <b20...@freescale.com>
Signed-off-by: Frank Li <frank...@freescale.com>
---
arch/arm/cpu/armv7/mx6/soc.c | 2 ++
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 bc65767..2cbab4e 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -117,6 +117,8 @@ 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();
}
--
1.7.6
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