[U-Boot-Users] AT91SAM9260-EK: Trying to load U-Boot env from NAND

Destrukto simon.bielmann at gmx.ch
Tue Dec 4 09:33:09 CET 2007


Well, until now I haven't got any problem with this solution. So until I
can't find any better solution I will use the system as long as it works.

wd wrote:
> 
> In message <14124814.post at talk.nabble.com> you wrote:
>> 
>> Yes! I get it work, the problem was, that it had a problem to accept the
>> crc32-Checksum. So I just erased the sequence where this happens. Here
>> the
>> patchfile:
>> 
>> --- env_nand.c	2007-11-30 14:15:03.000000000 +0100
>> +++ env_nand.c	2007-11-30 14:16:17.000000000 +0100
>> @@ -247,13 +247,7 @@ void env_relocate_spec (void)
>>  		crc2_ok = (crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc);
>>  	}
>>  
>> -	if(!crc1_ok && !crc2_ok)
>> -		return use_default();
>> -	else if(crc1_ok && !crc2_ok)
>> -		gd->env_valid = 1;
>> -	else if(!crc1_ok && crc2_ok)
>> -		gd->env_valid = 2;
>> -	else {
>> +	
>>  		/* both ok - check serial */
> 
> You mean you completely castrated all logic that would verify if the
> environment is OK? Arrggghhhh...
> 
>> Maybe it isn't the best solution but it works ;)
> 
> You THINK it works, but actually it's completely broken.
> 
> Don't do that!!!
> 
> Best regards,
> 
> Wolfgang Denk
> 
> -- 
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
> "UNIX was not designed to stop you from doing stupid things,  because
> that would also stop you from doing clever things."       - Doug Gwyn
> 
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