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

Dharmosoth Seetharam seetharam_21 at yahoo.com
Mon Dec 3 10:28:10 CET 2007


I agree with your comment. !!!!

cool..

Thanks,
Seetharam


Destrukto <simon.bielmann at gmx.ch> 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 */
   if(tmp_env1->flags == 255 && tmp_env2->flags == 0)
    gd->env_valid = 2;
@@ -266,8 +260,6 @@ void env_relocate_spec (void)
   else /* flags are equal - almost impossible */
    gd->env_valid = 1;
 
- }
-
  free(env_ptr);
  if(gd->env_valid == 1) {
   env_ptr = tmp_env1;

Maybe it isn't the best solution but it works ;)
Thanks for you help!!



Destrukto


Dharmosoth Seetharam wrote:
> 
> please Debug the function which i mention earlier.
> If you don't get any clue, please copy the code of your Dataflash_Select()
> here
> 
> 
> Thanks,
> Seetharam
> 
> Destrukto  wrote: 
> At first thanks for your reply, but could you explain that in detail
> please.
> 
> Thanks Destrukto 
> 
> 
> Hi,
> 
> If I remember correctly, i got the same issue on
> AT91SAM9263ek.
> 
> you please debug the Dataflash_Select() ... 
> there u many need to go into the if condition and
> do valid=1;
> 
> 
> so, please check it once and modify the condition...
> 
> u may get the solution ..
> 
> Thanks,
> Seetharam
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