* [U-Boot] [PATCH] Kconfig: Don't use RSA_FREESCALE_EXP on IMX
@ 2017-03-16 21:17 George McCollister
2017-03-17 14:08 ` Tom Rini
2017-03-21 18:09 ` [U-Boot] " Tom Rini
0 siblings, 2 replies; 3+ messages in thread
From: George McCollister @ 2017-03-16 21:17 UTC (permalink / raw)
To: u-boot
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(-)
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.
--
2.11.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [U-Boot] [PATCH] Kconfig: Don't use RSA_FREESCALE_EXP on IMX
2017-03-16 21:17 [U-Boot] [PATCH] Kconfig: Don't use RSA_FREESCALE_EXP on IMX George McCollister
@ 2017-03-17 14:08 ` Tom Rini
2017-03-21 18:09 ` [U-Boot] " Tom Rini
1 sibling, 0 replies; 3+ messages in thread
From: Tom Rini @ 2017-03-17 14:08 UTC (permalink / raw)
To: u-boot
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>
--
Tom
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^ permalink raw reply [flat|nested] 3+ messages in thread
* [U-Boot] Kconfig: Don't use RSA_FREESCALE_EXP on IMX
2017-03-16 21:17 [U-Boot] [PATCH] Kconfig: Don't use RSA_FREESCALE_EXP on IMX George McCollister
2017-03-17 14:08 ` Tom Rini
@ 2017-03-21 18:09 ` Tom Rini
1 sibling, 0 replies; 3+ messages in thread
From: Tom Rini @ 2017-03-21 18:09 UTC (permalink / raw)
To: u-boot
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!
--
Tom
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end of thread, other threads:[~2017-03-21 18:09 UTC | newest]
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2017-03-16 21:17 [U-Boot] [PATCH] Kconfig: Don't use RSA_FREESCALE_EXP on IMX George McCollister
2017-03-17 14:08 ` Tom Rini
2017-03-21 18:09 ` [U-Boot] " Tom Rini
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