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-rw-r--r--arch/arm/cpu/armv7/mx6/soc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 93be090..4787fb2 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -896,6 +896,11 @@ int set_anatop_bypass(int wdog_reset_pin)
*/
reg = readw(&wdog->wcr);
reg |= 1 << 3;
+ /*
+ * WDZST bit is write-once only bit. Align this bit in kernel,
+ * otherwise kernel code will have no chance to set this bit.
+ */
+ reg |= 1 << 0;
writew(reg, &wdog->wcr);
return arm_orig_podf;