<hramrach_>
when you know the board exists there are many references
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<rellla>
oliv3r: it is, yeah. but some old cubietruck sd card gave me some uboot output :p
<hramrach_>
rellla: do they not provide a SD image?
<hramrach_>
wens: the official waxberry shop on taobao only sells an a31s and rk3188 HDMI stick, A20 devboard and rk3066 devboard so I am wondering were are those A20 WB HDMI sticks coming from. They are documented on their site so they were making them or are planning to make them but do not sell them.
<rellla>
hramrach_: they do. but i'm no friend of foreign images. at least i do not know who of the various bananapi people on the net is kind of the "official"...
<rellla>
but they seem to offer *many* distribution images
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<rellla>
what i'm afraid of is, that their github repo includes the source of making gmac work on the device - mostly with doing #ifdef CONFIG_GMAC_FOR_BANANAPI
<rellla>
that's kind of ugly... are there any patches pending for our sunxi-3.4?
<libv>
rellla: retrieving device information has info on how to get all the necessary info from android device images
<rellla>
ah, libv pops up :)
<rellla>
libv: so running their android image will be a good idea?
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<libv>
oh, sdcard
<hramrach_>
or linux, or whatever
<libv>
hrm
* libv
has only had some cold leftover tee from last night, so the caffeine level is way too low still
<hramrach_>
but if they hardcode the pins the gmac uses in their driver it will be harder than usual to crack that
<libv>
rellla: just boot anything
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<libv>
rellla: the meminfo tools runs everywhere and script.bin should be in the usual places
<rellla>
libv: script.fex is in our repo anyway. just want to prove that
<libv>
rellla: the wiki page retrieving device information applies here too :)
<hramrach_>
hmm, the A10 and A20 WB hdmi sticks were nice but for the a31s one they used just some generic QT970-V2.0 rebadge. No apparent uart nor docs, even Chinese
<hramrach_>
they have manufacturer finger print on the SD slot, however
<libv>
hramrach_: or picture taker finger print :)
<hramrach_>
that's mostly the same here. it's their 'official' shop
<hramrach_>
but are there even any decent HDMI sticks out there? Many people used MK* for both AW and RK but it's all lame rabadge of cheapest random parts laying around
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<wigyori>
morning
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<libv>
wens: that's done by rafael-mod
<wens>
libv: ?
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<libv>
that kickstarter
<wens>
oh
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<ssvb>
Net147: thanks for the heads up, searching for "hdmi 16-255" on google reveals some links
<ssvb>
Net147: maybe libv knows something (as he has been dealing with monitors quite a lot), or we can try to find and read the HDMI specs
<Net147>
libv: any thoughts?
<libv>
not off the top of my head
<libv>
otherwise i would've said it already :)
<libv>
Net147: you're going to have to dig in the code
<Net147>
libv: I have. that's why I know there is a fex option to change it.
<ssvb>
libv: my understanding is that the question is "why would anyone ever want to enforce the 16-255 range"
<Net147>
I guess if 0-15 is being used for some TV signalling or something...
<ssvb>
Net147: yes, if there are some TVs or other devices which choke when fed with the normal 0-255 PC color range, then enforcing the 16-255 rangle is kinda "safer" and "makes sense"
<ssvb>
we just need to find some credible reference or reproduce it on some hardware
<libv>
i do not question such things anymore, i actually just assume stupidity most of the time
<libv>
i know, it is stupid to do so, but i've seen too much stupid crap
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<Net147>
oh well, people will stumble across it when they wonder why black is being shown as dark grey
<Net147>
if their display expects full 0-255 range
<libv>
rafaelMOD: mail it to our ml, and explain who you are in this project and how you used linux-sunxi
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<rafaelMOD>
libv: ok i will! thanks for the space
<libv>
shuge has repeatedly failed to subscribe to our ml
<libv>
despite getting told to do so 2 times already
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<wens>
damn... seems my laptop doesn't like fel...
<gzamboni>
nice, it seems that people from allwinner are starting to participate in the ml
<libv>
gzamboni: yes and no at the same time
<wens>
gzamboni: they are replying probably because the mail was directed at them
<wens>
anyone get usb disconnects when using fel?
<gzamboni>
at least there is an answer, even it they really dont clear all the problem
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<libv>
i find it strange that shuge fails or refuses to subscribe to our ml
<gzamboni>
i think this sugar is from allwinner, right ?
<wens>
yes
<wens>
shuge == sugar
<gzamboni>
thankss :)
<ssvb>
libv: it may be a language barrier and unfamiliarity with mailing lists in general
<ssvb>
libv: has he been provided with detailed instructions, explaining which links to hit and where to click?
<libv>
ssvb: he was provided the exact section in our wiki
<ssvb>
libv: or maybe he does not really understand what is the problem? I mean, he sends e-mails, they reach the mailing list
<megal0maniac>
libv: No, it's exactly as it was. Still goes into a coma, and I haven't been able to disable it
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<ssvb>
libv: the wiki page is saying "Subscription is required", but does not explain all the implications
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<ssvb>
libv: maybe wens could step in and talk with shuge about it?
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<wens>
probably a culture thing
<libv>
ssvb: i do not know
<wens>
in corporate environments you typically dont have to subscribe
<wens>
you get sent mail, or get subscribed to some group
<libv>
the link i gave him is the subscription section on our mailing list page
<libv>
at least, that's the link i gave him now
<libv>
i think i gave him the same thing X weeks ago
<libv>
X probably being close to 4 now
<ssvb>
libv: I think an explanation is still missing for people with no mailing list usage experience
<ssvb>
libv: that their posts are held for moderator approval (are they?)
<libv>
ssvb: it's a wiki
<ssvb>
libv: and also that the overwhelming mailing list traffic can be filtered and not pollute their inbox (the concept of gmail labels, etc.)
<libv>
ssvb: if allwinner is in any way serious...
<libv>
plus, this is his "special" linux address
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<wens>
libv: could be just that he uses linux
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<libv>
and i have approved posts
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<libv>
wens: tbh, i do not want to handhold allwinner dead weight, just because it is allwinner
<libv>
wens: vendors buy enough clueless hacks as it is, and real developers already need to do too much cleaning behind their asses
<libv>
he better figure out how to read a wiki, and how to subscribe to an ml
<libv>
allwinner needs us more than we need allwinner
<ssvb>
libv: we just want to get some answers from them, and also the corrections to the documentation
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<libv>
ssvb: we will get way more than just a few answers and corrections
<libv>
ssvb: but we should not bend over and spread open wide for a few emails
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<ssvb>
libv: nobody needs them to become seasoned open source practitioners at this point
<libv>
ssvb: do you see them hire proper open source folk, cause i don't
<libv>
and handhold too much now, and these guys who are paid to work with linux-sunxi and show how nice allwinner is will expect handholding all the time
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<ssvb>
libv: I also can totally see a huge embarrassment if they try to contribute some code to the mainline u-boot or kernel with their current habits
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<ssvb>
libv: this is easily predictable, and mripard_ might want to take some preventive actions in order not to let the situation going out of control :)
<libv>
anyway, i am just saying that i told shuge that i flagged things through, twice, that he should subscribe, twice, and gave him the link, twice
<libv>
that's about as much as we should do.
<libv>
further handhold will end up reducing us even further.
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<naobsd>
oh, lime2...
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<libv>
rellla: nice pic
<libv>
rellla: why did you not just create a device page in the general population?
<libv>
nice pics even
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<libv>
rellla: also, take a picture of the UART without your leads attached :)
<ssvb>
very nice, I wonder what they have done with the RZQ resistors on this board
<ssvb>
if they deviate from 240 ohm again and keep the resistors changing between PCB revisions, then it may be tricky to configure the DRAM controller properly
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<rellla>
libv: because i fear libv to delete it until it's finished :p
<rellla>
libv: and yes they call it u-boot button
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<ssvb>
diego71: a negative result is also a result :)
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<libv>
kornbluth.freenode.net seems to be playing up
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<rafaelMOD>
libv: i just sent the email to the ml, hope is ok and thk for the opportunityh
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<libv>
rafaelMOD: ah, first post to our ml it seems
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<rafaelMOD>
libv: yes it is
<rafaelMOD>
but i am following the ml for some time
<rafaelMOD>
and I usually talk here in the channel
<libv>
rafaelMOD: yeah, i know, the list admins just had it pop up, and someone had to flag it through :)
<libv>
like with every first post of a subscriber :)
<mawe242>
is there any way to detect if the AXP209 power enable button has been pressed under a 3.4-sunxi kernel?
<mawe242>
i want to do a clean shutdown if the button is pressed shorter than the hard axp209 poweroff time
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<libv>
rafaelMOD: once you guys have a final design and start shipping it to users, you probably need like a special fex
<libv>
rafaelMOD: you should then run through the NDH
<rafaelMOD>
libv:i know its a product annoucment and that thats not usual on the ml, so I hope its ok with you
<rafaelMOD>
libv: for sure, i will run trough the NDH with all the details
<libv>
rafaelMOD: in this particular case, it is acceptable
<rafaelMOD>
libv: i hope i need a special DT!
<rafaelMOD>
i really want to migrate to the mainline
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<libv>
rafaelMOD: we hope the kickstarter is successful so you can contribute more to linux-sunxi ;p
<rafaelMOD>
libv: you can count on two engineers for sunxi
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<rafaelMOD>
libv: as the hardware is really advanced, me and ricardocrudo will stay focused on the kernel and drivers
<libv>
:)
<rafaelMOD>
libv: i will make a patch pull request for I2S for sun7i soon
<rafaelMOD>
libv: just finishing some marketing boring technical texts for the campaing! today i will post one about the soundboard i developed
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<rafaelMOD>
libv: another contrib you can count on is the aSoC driver for the Cirrus Logic CS4245 codec
<diego71>
ssvb: yes. Atm i'm trying to push speed to 456, but till now I get kernel panic during the boot. It's more easy making test when the board complete the boot :D
<libv>
rafaelMOD: sounds great :)
<diego71>
ssvb: when I have time, i put some of the test so far on the wiki
<diego71>
(probably not before sunday)
<ssvb>
diego71: does tweaking the zq parameter improve anything?
<rafaelMOD>
:)
<ssvb>
diego71: if you get kernel panic, then you can pick a better starting tpr3 value in the 'dram_para' struct or even temporarily reduce the dram clock frequency
<diego71>
ssvb: I get 432 clock quite stable and a nice green area on the report
<diego71>
with zq=0x[45][ef]
<diego71>
and zq=0x31deb00 seems to be the best configuration
<diego71>
ssvb: of course it's not all the data. Just the best configuration so far. If you need all the data I can send you a zip with all the row data.
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<ssvb>
diego71: ok, thanks, it's interesting that "dram_zq = 0x5e (0x31deb00)" and "dram_zq = 0x6e (0x31deb00)" are calibrated as the same settings
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<ssvb>
diego71: oh, mbus_clk is a bit different for these two runs
<diego71>
ssvb: yes, I incresed mbus_clk, to see if it's stable, and it looks it works fine
<diego71>
ssvb: btw I had a run with dram_zq = 0x5e (0x31de800), that never completed, but it was all green
<ssvb>
diego71: you may get different zq calibration results depending on the SoC temperature
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<ssvb>
diego71: cold start vs. rebooting after running a heavy workload
<ssvb>
diego71: also it is interesting that the READ errors are almost eliminated (compared to your original run before the zq tweaks)
<ssvb>
diego71: in theory, if we want to reduce WRITE errors, then we need to adjust the lowest digit of 'zq' (drive impedance on the dram controller side) and 'emr1' (termination impedance on the ddr3 chip side)
<diego71>
ssvb: I think that >99% of the runs are with hot cpu. It takes less than a minute to reboot and start a new run
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<ssvb>
diego71: there are some cooldown pauses inserted in the middle of test in order to stress a wider range of temperatures
<ssvb>
diego71: in the case if a reboot happens shortly after such cooldown pause, the zq calibration in u-boot may produce slightly different results
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<ssvb>
diego71: in any case, it looks like now you got a good setup for the high digit of zq
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<ssvb>
diego71: and the emr1 tests could be probably revisited, paying attention to the changes in the lower half of the table and the write errors statistics
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<ssvb>
diego71: except that it is hard to explain the difference between zq=0x4e and zq=0x5e
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<diego71>
ssvb: i think that it would be a good idea try to avoid the calibration of the controller and use a good proven values
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<ssvb>
diego71: yes
<diego71>
(sorry but I'm now often afk )
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<Faisal>
Hi guys, ok i'm in the middle of installing uboot mainline here, and I wanted to have a look at the nand partition tble on my cubietruck, so i ran nandpart, ( http://pastebin.com/F8i8SFTv ) and for some reason its a lot of thing i cant understand.... 1st what do those lines mean : (magic softw411 is not softw311);
<Faisal>
.. (2nd) and then why does the tool lists my partitions twice ???
<Faisal>
I'd appreciate any help anyone can provide
<Faisal>
regards
<Faisal>
.. (3rd) is there a way with nandpart to just trash everything thats already there and restart from scratch ?
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<Faisal>
(guessing i can just /dev/zero the nand but just want to have some opinion)