Turl changed the topic of #linux-sunxi to: Allwinner/sunxi /development discussion - did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait! - https://github.com/linux-sunxi/ - Logs at http://irclog.whitequark.org/linux-sunxi
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<wens> montjoie: so is mine
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<Ke> let's assume you have a random tablet from the internet and you reflash the bootloader on it, what recovery measures can you use, if the bootloader is bad?
<lurchi__> soldering iron
<Ke> do allwinner SoC's have some hw recovery mode that can be triggered?
<Ke> so no?
<KotCzarny> boot from sdcard?
<KotCzarny> read on fel too
<Ke> I guess SD card boot requires me to somehow disable the eMMC for the bootup?
<KotCzarny> no, on most devices so far sdcard has higher boot priority than everything else
<Ke> KotCzarny: even commercial tablets?
<pmpp> yeah
<KotCzarny> depends on your definition of commercial
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<KotCzarny> most chinese ones are
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<KotCzarny> there are few examples when secure boot is enabled in fuses
<Ke> but I would love any recommendation, since wiki is empty set on this one
<KotCzarny> try with similar ones
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<KotCzarny> but a64 might be tricky
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<KotCzarny> you may ask icenowy nicely, she loves new tech
<Ke> I don't mind having to wait for some time for upstream support
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<Ke> if that's what you mean
<Ke> and there is obviously always the danger of not getting any
<Ke> like happened with nexus7...
<KotCzarny> basically you can try anything that applies to a64 then try to fit in parts specific to your device (lcd, touch, etc)
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<Ke> KotCzarny: sure, but what about secure boot and de-bricking, any idea about that?
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<Ke> I might even do some fixing, if the device is mostly unbrickable
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<KotCzarny> if secure boot is enabled and proper key is burned, then i guess it's hosed badly (unless you make proper sdcard image i guess)
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<Ke> quite, but that's basically what I am trying ask, I guess you don't know
<Ke> thanks
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<Ke> I can see that buying tablets like this is problematic, as mentioned in the wiki
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<icenowy[m]> mripard: the pinctrl-sunxi code failed when SLOB is used instead of SLUB
<icenowy[m]> (the failure is at krealloc(pctl->functions
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<Jagan> icenowy[m], seen similiar with 3.10 can you try to verify mtest in u-boot if it fails may be because of ODT
<Jagan> then CONFIG_DRAM_ODT_EN=y on u-boot and try
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<icenowy[m]> Jagan?
<icenowy[m]> Jagan: ?
<Jagan> yes
<icenowy[m]> you mean the pinctrl-sunxi problem?
<icenowy[m]> it's not memory fault, and the platform has even no ODT -- it's DDR1
<Jagan> icenowy[m], yeah I've seen similar issue with A64
<Jagan> with SLUB may be you're case different
<icenowy[m]> I think in my case the krealloc doesn't preserve the content of the memory
<icenowy[m]> checked slab_common.c, it calls ksize(); in slob.c it says ksize() cannot be used with some memory
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<icenowy[m]> mripard, wens: for the SRAM of A64 DE2
<icenowy[m]> should we contain all DE2 components (ccu, wb and two mixers) into a special bus
<icenowy[m]> and let the bus claim the SRAM?
<icenowy[m]> I think this is a proper definition of the HW
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<gillesM> hi where I can understand the fastboot,bootd etc .... commands ?
<gillesM> or when I can read info ?
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<embed-3d> montjoie: I'm not able confirm this. I was able to copy (with scp a ~2 GB big file from and to the bpi-m3). The bandwidth is low, but stable (~10MB/s). But it looks like that this is due to the missing smp/dvfs patches and the low frequency (during copy cpu load 100%).
<embed-3d> I will check the boot log in detail tomorrow.
<embed-3d> I will check the boot log in detail tomorrow.
<embed-3d> I will check the boot log in detail tomorrow.
<embed-3d> I will check the boot log in detail tomorrow.
<embed-3d> oops, looks like my irc client has a bug ^^
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<montjoie> embed-3d: 10MB/s is really LOW, with my stale kernel (so before DT AXP) I could obtain far better
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<embed-3d> montjoie: I agree this is very _low_, but I think think this has to do with missing smp/dvfs and a low frequency of the cpu, because I have a cpu load of 100% during copying
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<montjoie> embed-3d: without SMP I has better perf
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<embed-3d> montjoie: How did you test it? with real data or with iperf?
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<montjoie> iperf
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<embed-3d> montjoie: Ok, iperf results are not comparable with an real data transfer test ;)
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<willmore> isn't iperf sort of a 'best case'? In other words, if you can't get decent transfer with iperf, nothing else will do very well.
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<montjoie> willmore: yes it's a good way to know maximum
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<willmore> Okay, that was my understanding. You can always write code to be slower. ;0
<miasma> montjoie: btw what's the status of the hw accelerated crypto on h3/h5? is it possible to enable mainline support for those ciphers that seem to work now?
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<montjoie> miasma: I wait the crypto maintainer to merge my crypto engine serie
<montjoie> cryptoengine aka linux/cryptoengine
<montjoie> and them I will send the allwinner/cryptoengine driver
<montjoie> yeah two name for two different thing
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<ElBarto> anarsoul|2: should I see anything on my pinebook screen using your u-boot-pine64 fork ?
<BenG83_> ElBarto, yes :)
<ElBarto> damn, I must I've screwed something then ...
<BenG83_> u-boot output should look like on serial console
<BenG83_> I am just trying to get a 1920x1080 panel up and running on a different PB
<ElBarto> yeah I didn't make any serial cable for pinebook yet
<BenG83_> something like this
<BenG83_> minus the SPL bit on the top
<ElBarto> well I have the jack cut but I think some jumper needs to be switched on the motherboard no ?
<BenG83_> there is a switch
<gnarface> yes
<gnarface> make sure you flip the right switch, mine had 3
<BenG83_> your PB board had three switches?
<gnarface> also someone had to remind me that you need to specify the LCD console *and* the serial console both independently on your kernel command-line
<anarsoul|2> ElBarto: make sure that you get recent ATF
<gnarface> yea, my powerbook had 3 switches inside. and *two* of them matched the verbal description of the expected location of the one that toggles the audio jack between serial and audio
<BenG83_> I have one prototype PB where the mux was switched via GPIO
<anarsoul|2> ElBarto: https://github.com/apritzel/arm-trusted-firmware from allwinner branch
<BenG83_> but all my production boards only have a FEL button and a switch for the UART
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<BenG83_> ElBarto, does the backlight turn on?
<ElBarto> BenG83_: it looks like something is happening with the backlight yes but really hard to see
<ElBarto> anarsoul|2: I think I'm using the latest atf from apritzel, let me check
<ElBarto> definitly don't have it
<dddddd> anarsoul|2, I hacked the equivalente to that patch for the TERES-I. The Olimex docs tells to wait a bit betweeb two steps. How can I make that wait/sleep? (I'm printing to debug output expecting it's enough delay; it works but seems dirty)
<dddddd> *between
<anarsoul|2> dddddd: no idea, I'm not ATF expert
<dddddd> oh, sorry. thanks anyway...
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<anarsoul|2> dddddd: quick grep shows that there's udelay()
<ElBarto> anarsoul|2: much better !!!! thanks :)
<anarsoul|2> ElBarto: sure
<ElBarto> will try one different a64/h5 board and I will update the FreeBSD package for allwinner atf
<dddddd> anarsoul|2, great, thanks! somehow I missed that name while searching.
<BenG83_> https://imgur.com/a/AYIMI 1920 panel is alive on PB with anarsoul|2's image :)
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