From c269a970f23fabbb0d35708ff021bf2962780f9f Mon Sep 17 00:00:00 2001
From: Michael Walle <michael@walle.cc>
Date: Sat, 27 Jun 2020 22:58:51 +0200
Subject: crypto/fsl: don't regenerate secure keys
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The secure keys (TDKEK, JDKEK, TDSK) can only be generated once after a
POR. Otherwise the RNG4 will throw an error.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
---
 include/fsl_sec.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include')

diff --git a/include/fsl_sec.h b/include/fsl_sec.h
index 8dce0bbb1bd..64b8751f2de 100644
--- a/include/fsl_sec.h
+++ b/include/fsl_sec.h
@@ -69,6 +69,7 @@ struct rng4tst {
 #define RNG_STATE1_HANDLE_INSTANTIATED	0x00000002
 #define RNG_STATE_HANDLE_MASK	\
 	(RNG_STATE0_HANDLE_INSTANTIATED | RNG_STATE1_HANDLE_INSTANTIATED)
+#define RDSTA_SKVN 0x40000000
 	u32 rdsta;		/*RNG DRNG Status Register*/
 	u32 rsvd2[15];
 };
-- 
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