[Gumstix-users] U-boot nfs command help

[Ben E. <be...@cy...>]

alright I am trying to load the u-boot image from nfs I have had success 
loading the filesystem by setting the ipaddr and serverip env variable. 
and copying the filesystem image to the default name and directory.
GUM> nfs
*** Warning: no boot file name; using '/nfsroot/2802A8C0.img'
Using SMC91C1111-0 device
File transfer via NFS from server 192.168.2.1; our IP address is 
192.168.2.40
Filename '/nfsroot/2802A8C0.img'.
Load address: 0xa2000000
Loading: #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #########################################
done
Bytes transferred = 3869448 (3b0b08 hex)
can I do the same with the u-boot.bin file? Just copy it to 
/nfsroot/2802A8C0.img on the nfs server and proceed with instructions on 
the wiki?

Also this is the help for nfs on uboot. mostly self explanitory except 
the last arg [host ip addr:bootfilename] can anyone give me an example 
of usage for this command
nfs [loadAddress] [host ip addr:bootfilename]

Alexandre Pereira Nunes wrote:
> Simon de Bakker escreveu:
>
>> To test your u-boot from ram you probalbly want to #define
>> CONFIG_SKIP_LOWLEVEL_INIT and CONFIG_SKIP_RELOCATE_UBOOT.
>> Also you want to set TEXT_BASE to the memory location you load the image
>> to.
>>
>> Chrs!
>> Simon
>>  
>>
>
> For gumstix's default build, that's not necessary: if loading from 
> flash, it relocates itself to ram, otherwise it runs from there. It 
> works fine at least when loading it to 0xa2000000 (but I suspect it 
> maybe position independent, or perhaps, it always relocates to a 
> well-know address; All I know is that it runs fine for me on both 
> scenarios).
>
> - Alexandre
>
>
>
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