<PaulFertser>
Spyro1248: the kernel is built in build_dir/target*/linux*/linux*/
<PaulFertser>
Spyro1248: plain "make" should be enough to rebuild whatever you changed in there
<Spyro1248>
PaulFertser: hi :)
<Spyro1248>
PaulFertser: I think I may have had some issue with serial - I've just tried pasting the initial few lines of the u-boot image I found online, and it actually responded with * characters. no idea why its behaving differently...
<Spyro1248>
huh... and now its actually "working" (assuming the u-boot image is good)
<Spyro1248>
holy shit, I'm in :)
<PaulFertser>
Spyro1248: probably the ground connection was unreliable
<PaulFertser>
Spyro1248: so you booted your self-compiled u-boot on the target after loading it via serial ROM bootloader? Cool!
<Spyro1248>
PaulFertser: possibly, although I can't see why - waveforms looked fine on the scope etc.
<Spyro1248>
Its not my u-boot - but it worked...
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<Spyro1248>
I *should* be able to follow the HH3.0 instructions to flash an image now...
<Spyro1248>
ok, pingable, loginable environment on the router...
<Spyro1248>
now what...
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<Spyro1248>
hmm. no mtd-utils in the base image...
<Spyro1248>
annoying.
<Spyro1248>
some tool called "mtd" though
<PaulFertser>
Spyro1248: yes, OpenWrt uses custom "mtd" tool to handle all the usual usecases
<shibboleth>
Spyro1248, oh, that's for brewing coffee
<PaulFertser>
Spyro1248: it's supposed that once you boot initramfs image you can just use "sysupgrade" and regular "sysupgrade" image to flash.
<Spyro1248>
PaulFertser: isnt "backing up the original NAND" considered a usual case?
<Spyro1248>
PaulFertser: I will do that, but I have no backup image yet
<Spyro1248>
PaulFertser: Im looking for something like nanddump
<PaulFertser>
Spyro1248: hm, you can install additional packages with "opkd" if you need that, works on initramfs too.
<Spyro1248>
Ive tried that, but there doesnt appear to be a mtd-utils package?
<Spyro1248>
aaahhhh, is it nand-utils?
<Spyro1248>
yes, yes it is...
<PaulFertser>
Spyro1248: yes, I just did "git grep nanddump" in the OpenWrt git repo and saw the makefile and took a peek inside and nand-utils were there
<Spyro1248>
right, now I just have to remember how nanddump works (its been almost 20 years...)
<Spyro1248>
I guess I can just dump the mtdblock* devices really...
<Spyro1248>
I found a neat trick actually...
<Spyro1248>
now that I'm booted, I can just remove silent=1 from the u-boot config in /dev/mtdblock2
<Spyro1248>
ok, mtdblock5 has errors and is not dumpable that way (presumably needs dumping with the ubi tools, but I dont really care about whats in it...
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<Spyro1248>
AHA! I have unlocked u-boot on the BT Businesshub 3.0
<PaulFertser>
Spyro1248: apparently you're supposed to have a partition called art-copy
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<Spyro1248>
PaulFertser: I do have one named that, but its blank (even in my backup)
<pkgadd>
Spyro1248: in general lantiq older than vr9 (xrx2xx) is seeing very little usage and testing, so you're likely to be the first to use it in quite a while
<PaulFertser>
Spyro1248: then you should try finding that art data in the other partitions.
<Spyro1248>
indeed
<Spyro1248>
I wonder if its got the board name wrong (doubtful)
<Spyro1248>
board name looks reasonable
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<Spyro1248>
Weird.
<Spyro1248>
Looks like the businesshub 3.0 doesnt keep the calib. data in art-copy
<Spyro1248>
will have to look in the main filesystem (what a pain)
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<Spyro1248>
I dont suppose anyone here is running a HomeHub 3 ?
<Spyro1248>
If so, I'd really appreciate a copy of the /dev/mtdblock2 partition
<Spyro1248>
I can't seem to restore my mtd backup :(
<Spyro1248>
Bollocks to it. Just bought a spare one so I can see where this went wrong.
<Spyro1248>
(maybe recover this one)
<Spyro1248>
PaulFertser: I'll hold off updating anything online until I've got an idea what went wrong here.
<Spyro1248>
I could *swear* I saw wifi interfaces up at one point in this process...
<Spyro1248>
this time I'm going to make sure I have a good nand dump :)
<pkgadd>
The BT HH5A tends to be dirt cheap in the UK as well - and is much better hardware
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<Spyro1248>
pkgadd: I am using two of them here :)
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<Spyro1248>
pkgadd: its a matter of priciple... the BT Businesshub is going to give up its secrets :)
<Spyro1248>
In the meantime, I guess I'll have to lend my neighbours one of my hh5a devices :)