<lunra>
Did Allwinner license the earlier IP from ARM? I do wonder what ARM would do about it if a major Chinese manufacturer did steal their IP.
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<benn>
hi list,
<benn>
allwinner ask me to give suggestion to them for datasheet writing
<benn>
If you have any suggestion about it , please let me know, so that the coming datasheet will more readable for us
<benn>
also if you have any idea about making real product that using allwinner chips, it's time. It's possible to create team with cubietech or allwinner to create great product, maybe
<benn>
if i am offline irc channel, please send me a mail (benn@cubietech.com) about your plan
<mnemoc>
oh
<mnemoc>
the most important thing is to document all the registers of all the IPs =)
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<benn>
ok
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<steev>
nand?
<steev>
or move away from nand and do emmc like everyone else does
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<steev>
JohnDoe_71Rus: that's not what the kernel is showing in your first paste - make sure your kernel isn't set up to use the in-kernel command line (force)
<hno>
Montjoie, which gives DDMA_PARA_REG in the manual, page 170.
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<Montjoie>
thanks hno
<Montjoie>
Now I need to find what value to send for SS
<mnemoc>
benn____: we are working on getting an androidized sunxi-3.10 branch (DTS based) including everything going into mainline but also the other allwinner drivers which don't have the required quality or use the proper frameworks yet. we will also teach fexc (from sunxi-tools to generate a .dts out of the script.bin (sys_config). I would be awesome if AW, instead of hacking all their stuff directly on top of android-3.10 (for A60 and A80) would help us and work to
<mnemoc>
benn____: but proper documentation of ALL registers of ALL IPs of ALL SoCs is already awesome ;-)
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<mripard>
mnemoc: I'd be more interested in how to use these registers, than just having a list.
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<mnemoc>
mripard: true
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<mnemoc>
mripard: can you mail benn?
<mnemoc>
as we are attacking the problem from different angles
<hramrach>
also they might have much easier time writing if they could obtain permission to disclose the documentation they received from the IP provider and only described how they connected the IP
<Montjoie>
with DMA, the destination is where you send data ? DMA documentation said the for SS the destination but for the TX IO but the SS doc said the data is sended to the RX IO
<Montjoie>
oups some word missing
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<mnemoc>
gzamboni: now the wiki is using your smtp-auth instead of the dummy account I made for it before in my google apps-powered geeks.cl
<mnemoc>
and works!
<mnemoc>
:)
<mnemoc>
thanks
<Turl>
mnemoc: what about dev@ ?
<mnemoc>
should be working....
<mnemoc>
as forward
<mnemoc>
same as before
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<arokux1>
Tsvetan: ping
<focus>
benn: as an electronic engineer, I help you with datasheet and make any amount of contributions needed to make the documentation readable and successfull - if allwinner don't mind, i would also like to make html documentation - that way you don't have to flick pages, just clicko on diagrams and suggestions to get specific information about a pin or register.
<arokux1>
guys, maybe it is better to start a wiki page? everybody adds his suggestions they get integrated in one wiki page and in the end it will be sent to benn and allwinner?
<focus>
arokux1: best idea
<mnemoc>
focus: the wiki is the html version, and can generate nice PDF books ;-)
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<arokux1>
no, i'm not asking them to generate docs in wiki
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<arokux1>
i'm saying for us to gather all the inquiries - let's create a wiki page
<mnemoc>
we are missing a plugin to generate nice looking regiter/bit drawings in latex
<mnemoc>
arokux1: good point
<focus>
arokux1, benn, mnemoc: all my documentation I keep in html. About 3 clicks to get to any specific detail = no need to open pcb editor, or pdf editor, or word documents, or software IDE - just click and it be there
<arokux1>
focus: I totally agree with you.
<focus>
benn: i can't release any of it because i would infringe copyright of someone or other - so it would be good if the documentation they finally release allow is creative commons license so that diagrams can be cut and integrated into html documentation without infringing copyright - more information for their engineers and more sales for their chips
<focus>
benn: also helpful is if they could ask us all to make one single header file per CPU that describes their entire CPU with names for each register and bit field. that way when their chip changes only one header file needs to change to linux working on new CPUs
<focus>
benn: it is part of the documentatione exercise to have one single header file that describes everything to make it easy to know how the cpu functions
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<steev>
I'm fine with it being a PDF. That's pretty standard for documentation but a web interface to docs is nice too.
<focus>
benn: the best documentation describes how the chip works and also adds sample diagrams and sample code for how to set up registers in the chip
<steev>
The IPU documentation for the MX5- is something like 4000 pages on its own
<arokux1>
guys... let them give us _anything_ :)
<mnemoc>
priorizing the level of deepness might be a good idea
<mnemoc>
different stages toward the perfect docu
<mnemoc>
and maybe a table of the different IPs marking on what stage we are there
<arokux1>
from what I understand here NAND is pretty much a black spot
<focus>
steev: one problem with their documentation is that if you cut and paste the relevant bits to make your own html documentation that addresses specific point, you end up infringing their copyright if you release better edited information - so lets ask everyone to release their datasheets with creative commons licensing so that it can be added to html documentation, so that it can all be accessed within about 3 clicksd
<JohnDoe_71Rus>
what do this "sed -i "s/nandd/mmcblk0p3/g" /mnt/init.sun4i.rc" ?
<mnemoc>
JohnDoe_71Rus: replaces one string with the other in the given file
<hno>
arokux1, NAND is not included in documentation, but I would not say it's a black spot.
<steev>
Focus: I highly doubt anyone is going to license their documentation as CC. Sure it would be nice, but I'd rather focus on getting decent documentation rather than trying to convince them to change the license as well
<arokux1>
hno: is there everything what is needed to write a proper mtd (or how it is called) driver?
<hno>
arokux1, as far as I can tell yes.
<mnemoc>
beside time
<focus>
steev: yesterday that would be a valid point, but today, we don't have time to print 4000 pages and read!!!!!!!!!!!
<focus>
it has to be html and 3 clicks
<mnemoc>
focus: what is the wiki then?
<focus>
away to release products
<hno>
arokux1, yuq already have done a good attempt at it.
<JohnDoe_71Rus>
mnemoc: at my init.sun7i.rc No records nand or mmc* . manual for sun4i template
<focus>
mnemoc: wiki is ok, but remember you can't and paste original documentation to get the correct notes together into one place
<arokux1>
hno: ok, good to know.
<focus>
e.g. a picture of xtal circuit board layout + registers to set up is nice to know - but the moment you copy the circuit diagram verbatim, you would be infringing
<mnemoc>
focus: we don't copypaste
<hno>
focus, there isn't that much worth to copy-paste from Allwinner documentation. Better to focus on filling in the gaps (which means actually writing documentation)
<mnemoc>
what was the name of the latex plugin to make bitmask register drawings?
<arokux1>
Tsvetan: yesterday I tried to use usb2ethernet dongle with U-Boot and was lucky, because the dongle I have bought worked just find with u-boot. it means once you have u-boot shell you could load and boot everything over network even on A13. I've thought you better sell the usb2ethernet dongles which are supported by u-boot. i do not know if the ones you sell right now are supported by u-boot.
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<leviathanch>
arokux1: I need the documentation for all the mmc controller registers
<Tsvetan>
arokux1 ok
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<mnemoc>
bytefield!
<arokux1>
Tsvetan: there are some small changes needed to u-boot, i'll publish them soon.
<leviathanch>
arokux1: and a description on how the mmc controller is wired to dma (since it totally is!)
<hno>
leviathanch, is it? Last time I looked MMC had it's own DMA.
<mnemoc>
hno: /usr/share/texmf/tex/latex/bytefield/bytefield.sty is already installed, and the math plugin is already using tex... we "only" need to find a decent way of representing them in a mediawiki template
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<arokux1>
hno: you should know this... how to get rid of sd cards and have u-boot somewhere on the board with the possibility to update it over UART? (I do not like sd cards :) )
<Tsvetan>
did anyone try to use Axx with SPI Flash? according to the datahseet this is possible boot option
<oliv3r>
Tsvetan: waiting for your SPI-nor flash modules :)
<Tsvetan>
oliv3r there are few ways to wire Serial flash
<oliv3r>
i asked benn if he could find out which SPI0 port is to be used, the one shared with NAND or the other one
<leviathanch>
hno: the mmc controller is set into sg mode
<leviathanch>
but scatter gatter only works if the virtual address can be resolved somehow
<BluesBoy>
arokux1, Olimex uses dongle with ASIX AX88772B, as I see u-boot has asix driver
<oliv3r>
Tsvetan: but if benn can't get us any info, we just have to RE it :) we have a BROM dump so we can find out how the BROM does it; but with docs its much easier
<leviathanch>
hno: if the mmc controller writes into a virtual address which has only been reserved in CPU space, it crashes and burns
<leviathanch>
hno: of course mmc does dma on its own
<leviathanch>
hno: anything else wouldn't make sense
<leviathanch>
fetching it by cpu would be overhead
<hno>
arokux1, there is a driver in yuq's tree for that.
<leviathanch>
which accesses the dma controller of the A1X
<hno>
there is more than one DMA controller.
<leviathanch>
otherwise the mmc controller writes into digital nirvana
<leviathanch>
yes
<leviathanch>
we need to request the virtual address to be written to
<leviathanch>
right now we get a bogus address
<leviathanch>
which causes failure
<leviathanch>
I could do it without DMA of course
<oliv3r>
Tsvetan: SPI and SD completly different though arent' they? SPI has miso and mosi, SD not even close?
<leviathanch>
hno: until we have a driver for a controller which is able to resolve the virtual address
<leviathanch>
but for that
<hno>
leviathanch, but that's not a hardware documentation question. That's about actually asking the kernel to remap those buffers to physical address space before giving them to the DMA controller.
<leviathanch>
I'd need a documentation on the mmc controller
<hno>
leviathanch, not sure what you actually ask, but mmc controller supports both DMA and CPU transfers.
<arokux1>
hno: what about on-board u-boot and update of it through UART?
<leviathanch>
hno: I'm asking on the documentation on how it does these transfers and how I can switch them, and in which order, and all these technical crap details without it won't work
<hno>
arokux1, the u-boot shipped by Allwinner do not support UART uploads.
<leviathanch>
hno: did you write this code? and if yes: based on what doc?
<arokux1>
hno: I'm asking if it is possible at all, with the ours u-boot, for example.
<hno>
leviathanch, we have both CPU and DMA drivers for the MMC. DMA driver in Linux-3.4 and CPU driver in u-boot.
<mripard>
leviathanch: you can use the dma-mapping API to do the translation between physical/virtual adresses
<mripard>
and you don't need any dma controller for that
<hno>
the DMA controller can't do that mapping. Must be done by kernel before talking to the DMA controller.
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<Montjoie>
when I have finished the SS module, I will very-document it non-DMA aware people
<hno>
arokux1, NAND support have not been integrated in our u-boot yet. There is some support in https://github.com/yuq/u-boot-sunxi/commits/mtd but I am not sure if it supports the boot blocks.
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<arokux1>
hno: how is NAND connected to on-board u-boot?
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<hno>
arokux1, allwinner u-boot as shipped have the allwinner NAND block driver integrated, in GPL violating manners.
<arokux1>
hno: so if not on mmc, u-boot is either on NAND or SPI?
<hno>
but we have got some kind of sources for that.
<hno>
arokux1, The CPU can boot from MMC0, NAND, SPI, MMC2(SD or eMMC), FEL. Maybe also CE-ATA in A13 and later, not sure.
<arokux1>
hno: CE-ATA == SATA HDD in simpler terms? :)
<hno>
arete74, CD-ATA is ATA using 8-bit MMC signalling.
<hno>
CE-ATA.
<mripard>
hno: yes, but leviathanch's issue seems to be with mapping and doing the address translation
<mripard>
from what he's saying
<hno>
Short version: flash industry is trying to move away from MMC to ATA protocols to add more flexibility.
<mripard>
and that can be solved without any other drivers
<hno>
mripard, yes I agree on that, and is what I have been trying to say all time. It's not an question on hardware documentation, just kernel business as usual.
<hno>
hardware documentation can't document how Linux kernel is doing address translation.
<mripard>
hno: oh, sorry, I missed that part
<mripard>
we agree then
<arokux1>
hno: can you please elaborate on A13-OLinuXino vs A13-OLinuXino_FEL vs A13-OLinuXino_FEL_sdcon ?
<hno>
the _FEL one is for FEL booting. And _sdcon means that the u-boot console is on MMC0/uSD pins.
<arokux1>
hno: A13-OLinuXino_FEL == A13-OLinuXino + FEL capability ?
<Turl>
arokux1: _FEL makes a SPL that you can run using usb-boot script
<hno>
JohnDoe_71Rus, I am not from olimex. I am hno.se
<JohnDoe_71Rus>
hno: sorry
<hno>
and defenitely wrong person to ask about anything Android. But there is others in this channel who know Andoid pretty well.
<arokux1>
hno: hm.. if the CPU knows how to talk to the NAND, why should u-boot also know? u-boot can load kernel etc over network once it is given control to from CPU.
<hno>
arokux1, because u-boot SPL needs to load u-boot.
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<hno>
arokux1, but why do you need NAND support if you want to network boot? Just FEL boot the board.
<JohnDoe_71Rus>
Turl: download and write dd if=img of=/dev/sdb bs=1M Get wrong partition table on flash
<hno>
that way you technically don't even need network..
<Turl>
hno: too many cables
<Turl>
JohnDoe_71Rus: did you uncompress them first? the download is a 7z archive
<JohnDoe_71Rus>
yes
<JohnDoe_71Rus>
around 500Mb file
<arokux1>
hno: I'm just looking for the ways to have an sd-card-free setup. sd-card-free for kernel as for u-boot testing.
<hno>
FEL boot works fine for that.
<Turl>
JohnDoe_71Rus: you can try asking in #olimex then
<Turl>
I'll download the image to have a look
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<Turl>
arokux1: what's wrong about having an sd?
<arokux1>
Turl: fiddling. and micro sd cards are even worse for fiddling
<Turl>
fiddling with what?
<hno>
arokux1, you can also have our u-boot loaded by Allwinner boot loader from NAND if so inclined.
<Turl>
you just burn it once and leave it there forever :)
<arokux1>
Turl: not if you are working on U-Boot and want to burn it frequently...
<hno>
arokux1, sure you can. Just soft-upgrade in RAM the first times you try something that might break. Then update u-boot on the SD card using u-boot or Linux. No need to swap cards around.
<Turl>
JohnDoe_71Rus: ok, looks like an allwinner image, you may need to use phoenixcard to flash it then
<hno>
to soft-update in ram just load u-boot.bin to 0x4a000000 by whatever means you find suitable and then go 0x4a000000
<arokux1>
hno: how to update u-boot on the SD card using u-boot?
<hno>
arokux1, mmc write command.
<arokux1>
hno: oh, ok.
<Turl>
arokux1: then you can burn it once and configure the env to pull a 4th stage uboot from the network
<arokux1>
hno: "Allwinner boot loader" <--- what is that?
<hno>
Turl, 3rd stage I think you mean. A full u-boot boot is only two stages.
<Turl>
hno: first stage is brom, then spl, then uboot
<Turl>
a second uboot would be the 4th
<oliv3r>
arokux1: either boot0/1 or u-boot (lichee-dev stuff)
<hno>
arokux1, boot0/boot1/boot.axf as found in the Allwinner SDK or any official image made with Allwinner tools.
<hno>
Allwinner is not using u-boot SPL.
<arokux1>
... ok, thanks for all the info, I'll reread and make a wiki write up for the sd-card-free setups
<oliv3r>
arokux1: make sure you browse the wiki too; a lot of this info is allready documented
<JohnDoe_71Rus>
Turl: phoenixcard make flash with android, or it make selfboot card to update system in the nand?
<Turl>
JohnDoe_71Rus: usually the second, so I don't know why they called it an 'sd' image
<Turl>
JohnDoe_71Rus: you should ask in #olimex
<JohnDoe_71Rus>
already
<hno>
Turl, phoenixcard supports both making burn-images and run-images.
<hno>
err. phoenixsuit.
<Turl>
hno: I did not know that
<Turl>
hno: are phoenixsuit and phoenixcard the same thing?
<hno>
phoenixcard/phoenixsuite/livesuit all quite related.
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<hno>
from what I understand they PhoenixSuit is the new LiveSuit. But you could do this with earlier tools as well.
<gzamboni>
mnemoc, np, just be carefull against bots/fakeusers sending spam thrue the wiki
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<mnemoc>
gzamboni: they aren't supposed to be allowed
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<gzamboni>
anyway i should catch any abnormal use
<mnemoc>
:)
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<JohnDoe_71Rus>
phoenixsuit asked the board. don't see the flash
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<arete74>
JohnDoe_71Rus: you can see the correct partiotn table and sequence for boot android 4.2
<arete74>
the instructions on wiki is tested for A10 and android 4.0
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<mnemoc>
arokux1: why not using the [[USB]] page instead of [[User:....]] ?
<arokux1>
mnemoc: historical reasons, this page was started with just a few remarks... now it got bigger
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<mnemoc>
maybe a "move" can solve that
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<arokux1>
mnemoc: yep, if I only knew how to do that :)
<mnemoc>
import the interesting stuff from [[USB]] and then I delete that one, and move yours
<naobsd>
prebuilt image? is there any missing piece on wiki on xenproject?
<kenny>
nothing missing, just a bunch of steps (like merge these two branches, apply the patch from this email, etc)
<mnemoc>
basically that xen support for allwinner socs is more relevant to people looking at sunxi's wiki than for xen people ;-)
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<kenny>
mnemoc: agreed. I'll forward that suggestion to the author as well. At least one should link to the other.
<mnemoc>
also, submiting those patches to u-boot-sunxi and linux-sunxi can be a good idea
<mnemoc>
no need to keep them as outcasts
<arokux1>
kenny: do you know bamvor personally?
<kenny>
arokux1: nope, I was just chatting with him through email on getting a build working
<arokux1>
kenny: ok, there were already several invites to our wiki in the replies to his e-mail
<naobsd>
I think it should be good to put more information on linux-sunxi wiki, but I don't think it's wrong to put info about xen arm thing on xenproject wiki
<mnemoc>
integrating the patches sun7i_dom0 can be built with the nightlies
<kenny>
arokux1: haha, good to know. One more can't hurt.
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<mnemoc>
naobsd: I only mean that for us it's a big thing.... for them, it's just another toy
<mnemoc>
and once the patches get integrated into our repo, submited by the author, we can generate images automatically
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<naobsd>
yeah, it's big thing for us. we should add information about it on our wiki :)
<mnemoc>
and the patches properly submited and merged
<kenny>
git --author --date? :)
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<mnemoc>
kenny: author should properly submit his work, collect feedback, improve the code as requested, resubmit
<mnemoc>
much better than living off-tree for ever
<mnemoc>
then we can do the same with mainline
<mripard>
he's already using mainline
<mnemoc>
good
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<mnemoc>
mripard: then submit to your sunxi-next ;-)
<mnemoc>
and then kidnapped for sunxi-3.10 :p
<mnemoc>
but on u-boot-sunxi it's needed too
<mripard>
for the kernel part, he only has a custom DT and a custom configuration
<mripard>
nothing really fancy
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<kenny>
mnemoc: makes sense. It was mainly a joke. Do you know the status of the required u-boot hymode changes?
<mnemoc>
i don't use xen at all...
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<Montjoie>
yeah I got DMA working for the crypto module
<kenny>
Montjoie: nice. Is there a repo I can watch for commits?
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<Montjoie>
For the moment no, I got some strange lockout when I bench it
<kenny>
Montjoie: well I look forward to trying it out down the road. Please keep posting updates.
<Montjoie>
I will clean it and send it on mailing list soon
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<pfdm>
mornin
<pfdm>
I've trying to get xbmc works with the new blobs, but i can't pass libve_open ! So i use a small example , and i'm able to open libve. Though there is no difference in the call stack , i'm clueless why it segfault with xbmc
<pfdm>
anyone has seen that before ? or can give me an idea ?
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<rellla>
pfdm: did you only replace the blob, or have you also adapted the code?
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<pfdm>
rellla: I have adapted the code, recompile with new headers, put the avheap as allocator
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<hramrach>
kenny: maybe pushing the result of merging branches and applying patches from emails into some repo would be good start
<rellla>
ok. and use a kernel with pat's cedar-sun7i patches i assume...
<pfdm>
rellla: to be sure, i even put merge the init and open function, so xbmc won't mess up the decoder pointer. Yes , i use the cedarv5 branch of patwood.
<kenny>
hramrach: agreed. I planned to do that once I get everything working if only for my own sanity
<pfdm>
I can open the ve with the old blob same kernel, and with the new blob small example from the blob.
<mnemoc>
rellla: am I missing cedar patches in 3.4?
<rellla>
mnemoc: i think you merged everything
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<rellla>
pfdm: can you debug, where exactly xbmc/cedar is crashing?
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<pfdm>
rellla : it doesn't reach this line in my test.
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<pfdm>
segfault at L341
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<user_08154711>
Hello, I'm wonder if there is a way to change the android screen-resolution (on nand) without using the sdk to create a new image. Do you know a way for this? I cant find an uEnv.txt on nanda and changing the script.bin seems to have no effect.
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<Turl>
awatch: I think the aw android has some option on the settings to adjust it
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<awatch>
Thanks. If you talking about the option in the android-settings on my image there is only one option choosable.... I think the cubieboard-image is a bit different to my A20-OlinuXino image :/
<steev>
assuming from git, you have to edit interpreter/vm.c and add #include <asm/uaccess.h> but other than that, it does seem to work, once you enable the proper settings
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<arokux2>
hno: can I push my branch to u-boot-sunxi?
<hno>
arokux2, if oliv3r is ok with your changes sure.
<oliv3r>
arokux2: lemme review it tomorrow
<oliv3r>
Turl: yeah but it's intel producing chips for someone else, it doesn't reall yhave much todo with intel
<Turl>
oliv3r: still
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<hramrach>
Turl: multiple things. There are at least two spaces to set teh nfsroot info - commandline and dhcp. Not sure how the stuff fits together when you have conflicting info in those. There are absolutely no diagnostics when you don't have RPC and NFS debug compiled-in and enabled. And finally I had no reverse DNS record for the IP - which was easily diagnosed once I had the damn NFS diagnostics.
<Turl>
hramrach: :)
<Turl>
hramrach: did you get debootstrap going?
<hramrach>
yes, ita does not work on nfs because it gets failure in chown
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<hramrach>
my english starts to read like chenlish :s
<bfree>
probably should be able to (c)debootstrap into ram ;) or nbd ;) or you can use qemu-user-static to do it "forgeign" from another arch (e.g. on the nfs server)
<hramrach>
bfree: there are numerous ways to do that. Problem is debootstrap does not report any error, it just fails silently so you have no idea wtf is going on
<bfree>
I've never known either (debootstrap or cdebootstrap) to fail silently tbh, sounds like a (low priority) bug which might be worth reporting to debian
<hramrach>
there is a bug already about debootstrap failing silently in another situation
<hramrach>
they kinda have problem with that but what else would you expect of a shell script
<bfree>
well I was going to say I only use debootstrap myself when cdebootstrap is broken ;)
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