On iMX8DXL/QM/QXP(SECO) & iMX8ULP(ELE) SoCs, access to controller
region(CAAM page 0) is not permitted from non secure world.
use JobR's register space to access page 0 registers.
Fixes: 6a83830f649a ("crypto: caam - warn if blob_gen key is insecure")
Signed-off-by: Gaurav Jain <gaurav.jain@xxxxxxx>
---
changes in v2
Updated commit message with SoCs details on which CAAM page 0 is not
accessible from non secure world.
drivers/crypto/caam/blob_gen.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/caam/blob_gen.c b/drivers/crypto/caam/blob_gen.c
index 87781c1534ee..079a22cc9f02 100644
--- a/drivers/crypto/caam/blob_gen.c
+++ b/drivers/crypto/caam/blob_gen.c
@@ -2,6 +2,7 @@
/*
* Copyright (C) 2015 Pengutronix, Steffen Trumtrar <kernel@xxxxxxxxxxxxxx>
* Copyright (C) 2021 Pengutronix, Ahmad Fatoum <kernel@xxxxxxxxxxxxxx>
+ * Copyright 2024 NXP
*/
#define pr_fmt(fmt) "caam blob_gen: " fmt
@@ -104,7 +105,7 @@ int caam_process_blob(struct caam_blob_priv *priv,
}
ctrlpriv = dev_get_drvdata(jrdev->parent);
- moo = FIELD_GET(CSTA_MOO, rd_reg32(&ctrlpriv->ctrl->perfmon.status));
+ moo = FIELD_GET(CSTA_MOO, rd_reg32(&ctrlpriv->jr[0]->perfmon.status));
if (moo != CSTA_MOO_SECURE && moo != CSTA_MOO_TRUSTED)
dev_warn(jrdev,
"using insecure test key, enable HAB to use unique device key!\n");
--
2.25.1
