Hi every one.
A little update on my problems. Apparently the problem was the u-boot
command I used to boot :
I used :
tftp 100000 mpc5200/uImage; tftp 300000 mpc5200/pRamdisk;bootm
100000 300000
And now I use :
tftp 200000 mpc5200/uImage; tftp 400000 mpc5200/pRamdisk;bootm
200000 400000
and it works just fine ... Apparently when the kernel was too big, the
area near 100000 is probably used by u-boot in some way, maybe during
decompression and it doesnt work. I've check with multiple different
memory tests that the concerned memory region is fine. So it is a
software issue. Maybe u-boot should give some warning about that ( if
it's the cause, not yet sure ). But that's off topic here.
Now, I'm just looking forward for new BestComm code, to get AC97 and IDE
DMA running ( quite slow and CPU intensive right now ... ).
Sylvain Munaut
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