| Message ID | 20170316211706.20207-1-george.mccollister@gmail.com |
|---|---|
| State | Accepted |
| Commit | f4e9ff71356aceab5bd212e528c123353c531a48 |
| Delegated to: | Tom Rini |
| Headers | show |
On Thu, Mar 16, 2017 at 04:17:06PM -0500, George McCollister wrote: > 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>
On Thu, Mar 16, 2017 at 04:17:06PM -0500, George McCollister wrote: > 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> Applied to u-boot/master, thanks!
diff --git a/lib/rsa/Kconfig b/lib/rsa/Kconfig index 09ec358242..fde1ac108d 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_SOFTWARE_EXP 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.
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> --- lib/rsa/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)