[U-Boot] [PATCH 1/2] SECURE BOOT: add version info for ISBC

Wolfgang Denk wd at denx.de
Mon Jan 27 07:51:55 CET 2014


Dear "aneesh.bansal at freescale.com",

In message <aba33ec5436c40939359f93b6d243b08 at DM2PR03MB415.namprd03.prod.outlook.com> you wrote:
>
> >               CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
> >               Single Source Clock is clocking mode present in some of FSL SoC's.
> >               In this mode, a single differential clock is used to supply
> 
> You already have all relevant information present in the current
> configuration.  There is no need to add yet another CONFIG_SYS_
> option; the information can easily be derived from the existing data.
...

> ISBC (Internal Secure Boot Code) is an IP which has different versions on different SOC's. The major difference which this CONFIG represents is whether CAAM block is being used for cryptographic operations or not. I will be adding more details in the de
> scription IN README and resend the patch.
>  
> The only other way that this can be derived is by doing SoC specific checking which would become a little messy.

But this is what I had in mind.  It appears to be a simple 1:1 mapping
from SoC to ISBC version to me, or am I wrong here?

Best regards,

Wolfgang Denk

-- 
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