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<macromorgan>
hate to be a bother, but I'm a shitty C programmer. If I want to printf the contents of a buffer (defined as "u8 *data") how would I go about doing that?
<macromorgan>
I'm trying to troubleshoot why U-Boot proper and U-Boot SPL see different contents of the same NAND device
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<macromorgan>
urja: Thank you. Luckily I can extrapolate the length from the ecc size.
<macromorgan>
Forty-Bot: Unfortunately I can't, because I'm still in SPL mode and that's where I need to do the dumping (I can't get SPL to read the U-Boot image). I want to see what SPL sees so I can know if I'm dealing with an ECC issue, a randomizer issue, or something else.
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<mripard_>
macromorgan: if you're using an A13, it will read 0.
<mripard_>
you're likely to need the first two patches
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<macromorgan>
Error while initializing dma interrupt... that's new
<macromorgan>
looks like there might be a bit more to roll back too, I'll look at that whole patch series
<mripard_>
this was working on my CHIP Pro back in may/june
<mripard_>
it might have been broken in other places since
<macromorgan>
that did it
<macromorgan>
you have to roll back both 13/20 and 14/20
<macromorgan>
but rolling those two back works
<macromorgan>
thank you for all your help, once again
<macromorgan>
I now have a PocketCHIP that runs upstream from the SPL stage down through the kernel and up to the userspace.
<mripard_>
awesome :)
<macromorgan>
(if you count the 3 patches I have pending and one I'm about to write as "mainline")
<apritzel_>
mripard_: I figured my H6 TV box has raw NAND flash, but I probably stay away from it ...
<mripard_>
apritzel_: and MLC I assume?
<apritzel_>
of course!
<mripard_>
only macromorgan is crazy enough to work on that :)
<mripard_>
the only boards that have SLC afaik are the chip pro and the nintendo nes and super nes classic
<mripard_>
and the latter aren't exactly developper friendly
<mripard_>
(and the chip pro is fairly difficult to find these days)
<apritzel_>
indeed, I became curious a few weeks ago, because it could cover a weak spot in my testing, but couldn't find anything
<mripard_>
the only place I could get one from was the CHIP SubReddit
<mripard_>
it l
<mripard_>
*it looks like there's still a few there
<apritzel_>
Hardware Exchange Megathread?
<mripard_>
yep
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<macromorgan>
yes, I am quite crazy
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<macromorgan>
I even pushed a series of patches adding slc-emulation for U-boot, though I don't know where they currently stand
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<macromorgan>
now I wonder if I can fit slc-mode in the SPL stage... hmm...
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<Forty-Bot>
what do you guys use to send those "applied to foo/master" emails?
<rfs613>
Forty-Bot: probably "b4 ty"
<Forty-Bot>
ah, that looks good
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<Forty-Bot>
no I just need to figure out how to configure it
<austriancoder>
Is there a way to timestamp the different boot stages? I want to find out what during the POR to the U-Boot shell take the most time.
<rfs613>
austriancoder: check out CONFIG_BOOTSTAGE, in menuconfig under Boot options -> Boot timing
<rfs613>
of course this only starts when u-boot code starts. Whatever your platform does before that point is outside scope. For recording that, I would suggest a terminal program that timestamps each line.
<austriancoder>
rfs613: that's what I am looking for - thanks