Kconfig: Don't use RSA_FREESCALE_EXP on IMX
The CAAM in IMX parts doesn't support public key hardware acceleration
(PKHA), so don't use RSA_FREESCALE_EXP. If you try to use it on IMX
(assuming you have the clocks enabled first) you will get back an
"Invalid KEY Command" error since PKHA isn't a valid key destination for
these parts.
Signed-off-by: George McCollister <george.mccollister@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/lib/rsa/Kconfig b/lib/rsa/Kconfig
index 09ec358..fde1ac1 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
+ select RSA_FREESCALE_EXP if FSL_CAAM && !ARCH_MX7 && !ARCH_MX6 && !ARCH_MX5
select RSA_SOFTWARE_EXP if !RSA_FREESCALE_EXP
help
RSA support. This enables the RSA algorithm used for FIT image
@@ -29,7 +29,7 @@
config RSA_FREESCALE_EXP
bool "Enable RSA Modular Exponentiation with FSL crypto accelerator"
- depends on DM && RSA && FSL_CAAM
+ depends on DM && RSA && FSL_CAAM && !ARCH_MX7 && !ARCH_MX6 && !ARCH_MX5
help
Enables driver for RSA modular exponentiation using Freescale cryptographic
accelerator - CAAM.