[PATCH v2] Kconfig: Don't use RSA_FREESCALE_EXP on MX7ULP

Oleksandr Suvorov oleksandr.suvorov at foundries.io
Sat Aug 28 09:41:22 CEST 2021


From: Ricardo Salveti <ricardo at foundries.io>

The CAAM on IMX7ULP doesn't support public key hardware acceleration
(PKHA), as in other NXP parts. Disable RSA_FREESCALE_EXP for IMX7ULP
too.

Fixed: f4e9ff7135 ("Kconfig: Don't use RSA_FREESCALE_EXP on IMX")
Signed-off-by: Ricardo Salveti <ricardo at foundries.io>
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov at foundries.io>
---

Changes in v2:
- add a dependency rule for RSA_FREESCALE_EXP

 lib/rsa/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/rsa/Kconfig b/lib/rsa/Kconfig
index a90d67e5a8..634c9e5fa9 100644
--- a/lib/rsa/Kconfig
+++ b/lib/rsa/Kconfig
@@ -1,6 +1,6 @@
 config RSA
 	bool "Use RSA Library"
-	select RSA_FREESCALE_EXP if FSL_CAAM && !ARCH_MX7 && !ARCH_MX6 && !ARCH_MX5
+	select RSA_FREESCALE_EXP if FSL_CAAM && !ARCH_MX7 && !ARCH_MX7ULP && !ARCH_MX6 && !ARCH_MX5
 	select RSA_SOFTWARE_EXP if !RSA_FREESCALE_EXP
 	help
 	  RSA support. This enables the RSA algorithm used for FIT image
@@ -56,7 +56,7 @@ config RSA_SOFTWARE_EXP
 
 config RSA_FREESCALE_EXP
 	bool "Enable RSA Modular Exponentiation with FSL crypto accelerator"
-	depends on DM && FSL_CAAM && !ARCH_MX7 && !ARCH_MX6 && !ARCH_MX5
+	depends on DM && FSL_CAAM && !ARCH_MX7 && !ARCH_MX7ULP && !ARCH_MX6 && !ARCH_MX5
 	help
 	Enables driver for RSA modular exponentiation using Freescale cryptographic
 	accelerator - CAAM.
-- 
2.31.1



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