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-rw-r--r--cpu/arm926ejs/davinci/reset.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/cpu/arm926ejs/davinci/reset.S b/cpu/arm926ejs/davinci/reset.S
index a687d44035..ba0a7c3b4b 100644
--- a/cpu/arm926ejs/davinci/reset.S
+++ b/cpu/arm926ejs/davinci/reset.S
@@ -50,6 +50,10 @@ reset_cpu:
str r1, [r0]
ldr r1, WDTCR_VAL2
str r1, [r0]
+ /* Write an invalid value to the WDKEY field to trigger
+ * an immediate watchdog reset */
+ mov r1, $0x4000
+ str r1, [r0]
nop
nop
nop
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