[U-Boot] [PATCH v3 1/4] bootm: make use of legacy image format configurable

[Heiko Schocher <hs@denx.de>]

Hello Lars,

Am 19.05.2014 16:11, schrieb Steubesand, Lars:
> Hi Heiko,
>
> [snip]
>> When relying on signed FIT images with required signature check the
>> legacy image format should be disabled. Therefore introduce this new
>> define and enable legacy image format if CONFIG_FIT_SIGNATURE is not
>> set. If CONFIG_FIT_SIGNATURE is set disable per default the legacy
>> image format.
> [snip]
>> diff --git a/include/config_defaults.h b/include/config_defaults.h
>> index
>> ad08c1d..fbe0743 100644
>> --- a/include/config_defaults.h
>> +++ b/include/config_defaults.h
>> @@ -20,4 +20,12 @@
>>   #define CONFIG_ZLIB 1
>>   #define CONFIG_PARTITIONS 1
>>
>> +#ifndef CONFIG_FIT_SIGNATURE
>> +#define CONFIG_IMAGE_FORMAT_LEGACY
>> +#endif
>> +
>> +#ifdef CONFIG_DISABLE_IMAGE_LEGACY
>> +#undef CONFIG_IMAGE_FORMAT_LEGACY
>> +#endif
>> +
>>   #endif
> [snip]
>
> it appears that the config changes in config_defaults.h have actually
> not the desired effect since the board specific config file is evaluated
> after the config_defaults.h. A proper change most likely needs to be applied
> to config_fallbacks.h.

Yep, you are completely right! good catch!

I prepared a v4 for this issue, and just compiling a MAKEALL for arm
and powerpc with the above change.

bye,
Heiko
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