diff options
| author | Gaurav Jain <gaurav.jain@nxp.com> | 2024-11-26 12:16:07 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-08 09:57:28 +0100 |
| commit | 651959fae5fb0c1ae96e13ca71572f2fe97797fb (patch) | |
| tree | ef08c969495614d60ddbef38f9edb20c3b3d6807 | |
| parent | b7de862bda9d848cb8467630e6d57568ca894972 (diff) | |
crypto: caam - use JobR's space to access page 0 regs
[ Upstream commit 73a7496c218b7ca19ba276f54758e7f0adf269c5 ]
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@nxp.com>
Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/crypto/caam/blob_gen.c | 3 |
1 files changed, 2 insertions, 1 deletions
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@pengutronix.de> * Copyright (C) 2021 Pengutronix, Ahmad Fatoum <kernel@pengutronix.de> + * 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"); |