[U-Boot-Users] bootm problem

[Erez Koelewyn]

Hmm...
Maybe I'm overwriting U-Boot's image in RAM?

On 10/23/07, Erez Koelewyn <ekoelewyn at gmail.com> wrote:
> Hi,
> I am using the M5282EVB configuration. I have come across the following problem:
> I load a compressed linux image into address 400000 (I leave enough
> room for it to be decompressed at address 10000).
> I then run -> bootm 400000
> This works fine.
> Now I reset the board, download the compressed image again (using
> iminfo to very it's header is there and correct) and again I run ->
> bootm 400000
>
> This time I get an exception (this happens consistently until I
> program U-Boot again into FLASH, at which time I can again use bootm
> successfully only once):
>
> -> bootm 400000
> ## Booting image at 00400000 ...
>   Image Name:
>   Image Type:   M68K Linux Standalone Program (gzip compressed)
>   Data Size:    1249874 Bytes =  1.2 MB
>   Load Address: 00010000
>   Entry Point:  00010000
>   Verifying Checksum ... OK
>   Uncompressing Standalone Application ...
>
> *** Unexpected exception ***
> Vector Number: 3  Format: 04  Fault Status: 4
>
> PC: 00fe5d48    SR: 00002704    SP: 00f9155c
> D0: 00000000    D1: 00000000    D2: 00000000    D3: 0000011a
> D4: 00000000    D5: 00000000    D6: 004000d8    D7: 00fa1f90
> A0: 00000009    A1: 00fac8e0    A2: 00fa28e0    A3: 00f91afe
> A4: 00fa2928    A5: 00ff7600    A6: 00f91ad4
>
> *** Please Reset Board! ***
>
> Thanks,
>
> Erez
>