Re: Tracking N770 breakage

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Quoting Andrew de Quincey <adq_dvb@xxxxxxxxxxxxx>:

Quoting Tony Lindgren <tony@xxxxxxxxxxx>:

* Andrew de Quincey <adq_dvb@xxxxxxxxxxxxx> [090519 22:15]:
Quoting Tony Lindgren <tony@xxxxxxxxxxx>:

* Andrew de Quincey <adq_dvb@xxxxxxxxxxxxx> [090516 19:17]:
Argh, my N770 seems to have just died; it has been behaving slightly
oddly and now it simply won't turn on (black screen and no sign of life
whatsoever).

It is well out of warranty and frankly I don't see myself buying another
one, so this effectively ends my hacking on it :(

Bummer :(

After a quick try, CONFIG_OMAP_RESET_CLOCKS was the first stopper, then
it could not mount the MMC root.

Ahh excellent, that was why I posted my progress, in case it rang a bell
with anyone! I think the touchpad driver may be broken as well BTW.

I think there was a patch posted for the omap1 MMC by Ladislav few months
ago that probably fixes it.

Cool - I hope I may be back in the running soon (I was rather annoyed
when I posted that message!); I've ordered a new battery in case its
just that. A kind person has also offered me one thats broken in a
different way that I can probably cobble together with the remains of
mine if its something more critical that has died.

Good to hear, let's hope it just needs a new battery.

See also the n8x0 thread. If we get drivers/cbus to mainline, we
pretty much have everything we need for 770 in mainline too.

It would be nice to get the drivers/mmc/host/omap.c patch integrated
for 2.6.30 to make omap1 MMC work again. Ladislav, any news on that?

OK! My friend has lent me his N770 in the meantime so I can get going again. It seems the board is fried on mine as my battery works perfectly fine in his. gah!

Anyway, I have just tried disabling RESET_CLOCKS, but it still doesn't work for me with the very latest linux-omap-2.6.

With my HWA patch applied, at least the screen goes black, but I don't see any console output, and the thing doesn't appear as a USB gadget (I'm mounting NFS as root over USB with cdc_ether).

I wish the thing had an LED I could turn on! Hmm, I wonder if I could turn off the backlight easily..

Actually, after playing a bit, I discovered I'm getting a boot penguin logo ok, but no actual textual console output; weird!

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