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<Kuwanger> I'm not sure if this is the correct place to ask--it seems jzboot is the main open way to access a given Ingenic JZ SoC system, be it an open system or not--but I was wondering if jzboot would actually be useful in trying to access a PMP based on a JZ4750 CPU? Yes or no, is there a place I would best look to find more about the steps in investigating such a device?
<Ayla> define "access"
<Kuwanger> Well, I was hoping to be able to look through its currently hidden NOR/NAND/ROM space, minimally. Depending on what I find, I was hoping to be able to replace some of it to be able to launch programs from the already accessible NAND space.
<Kuwanger> I was hoping jzboot would provide be the ability to do the former and what I learn from that coupled with jzboot I could possible do the latter.
<Ayla> you can dump the NAND, but if you don't know the FTL used and the filesystem, it won't be very useful
<Kuwanger> Well, I've yet to get as far as dumping the NAND. I tried using the firmware files included with jzboot for stage1 and stage2 files, and the connection always times out. I presume something is actually happening because the second attempt always hangs.
<Kuwanger> It's more or less that reason which I was wondering if I was just way off in thinking jzboot might be of some use or not. I mean, I recognize getting a NAND dumping may or may not be actually useful. But, it'd seem like a necessary first step.
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<Ayla> if your device has a µSD, you'd better us that instead
<Ayla> and boot a linux kernel
<Ayla> from USB
<Ayla> I'm gone now, see you
<Kuwanger> Well, the device does have a microSD, but I don't if/how to use it to boot anything. The same is true for booting a linux kernel from USB. :/
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<wolfspraul> viric: yes I have friends at Ingenic :-)
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<kristianpaul> whitequark, wpwrak: food gardens yes it seems
<xiangfu> Kuwanger, have you try usbboot?
<xiangfu> Kuwanger, jzboot use the firmware that provide by Ingenic. which there is no source code for those firmware.
<xiangfu> Kuwanger, but usbboot use the firmware that compiled by us :). and support jz4750 CPU.
<Kuwanger> I see.
<xiangfu> Kuwanger, it's more like some configure file you needs to edit for fit your device.
<xiangfu> Kuwanger, like 'NAND_BUSWIDTH' 'BUSWIDTH' etc. checkout the configure file /etc/xburst-tools/usbboot.cfg
<xiangfu> Kuwanger, just check the source code. we remove the jz4750 firmware source code from git. but it should be in git history.
<Kuwanger> Okay. Thanks for the information.
<xiangfu> Kuwanger, another thing just FYI.
<xiangfu> Kuwanger, here is the latest Windows Version usbboot source code from Ingenic: http://downloads.openmobilefree.net/Ingneic/xburst-tools-windows/nand_card_tools.tar.bz2
<xiangfu> Kuwanger, they send me two days ago.
<xiangfu> Kuwanger, the jz4750 firmware code should be easy make it compile under 'xburst-tools.git'
<xiangfu> Kuwanger, in this tar ball it have all xburst cpus(jz4750/60/70) firmware :)
<xiangfu> Kuwanger, one thing you need know is the stage1 have to <= 8KB. because the stage1 upload to cpu cache.
<Kuwanger> Okay.
<whitequark> xiangfu: iirc there is the code for firmware, if you're talking about my jzboot
<whitequark> at least I recall quite certainly looking at it and maybe even compiling
<whitequark> I may be wrong, through
<xiangfu> whitequark, hmm.. didn't find them under jzboot.git.
<whitequark> xiangfu: I think it was somewhere in your tree
<xiangfu> whitequark, so we are using the same source code. only file name is different?
<whitequark> xiangfu: I gues sso
<whitequark> almost sure
<xiangfu> whitequark, sorry. I thought those files(spl_stage1.bin spl_stage2_usb.bin) is from Ingenic.
<whitequark> they've from something we have based jzboot at
<whitequark> that might be ingenic's utility or xburst-tools
<whitequark> and the former does not have the code, which I have seen
<whitequark> so... I think yes
<xiangfu> whitequark, ok. so we advice people using/contribute_to the xburst-stage1/2.bin for now. :D
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<Kuwanger> Well, thanks for all the information. I'll try it out and hopefully I'll get somewhere with it.
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<rjeffries> wondering thoughts by people of qi-hardware re $99 Ingenic tablet http://www.linuxfordevices.com/c/a/News/Ainol-Ainovo-Novo7-/
<wolfspraul> rjeffries: you probably know my thoughts, but just in case :-)
<wolfspraul> buy one, try it, let us know
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<wolfspraul> my favorite in the article is this line
<wolfspraul> "Ingenic's JZ4770 (pictured) is the latest in a line of MIPS-architecture "Xburst" processors, which appeared in early versions of the low-cost Velocity Cruz Android tablets before the company switched to a Cortex-A8 processor in its latest Velocity Micro Cruz..."
<wolfspraul> a little mind game
<wolfspraul> what does this mean?
<wolfspraul> :-)
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<rjeffries_> wolfspraul that tablet is only available in China. I do not live in china. ;) $99 for a tablet is hard to understand. Amazon Fire 7 in tablet costs them about $210 to build
<rjeffries_> sombbody will port Linux on one of these after all it is underneath the Android cruft in any case
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<wolfspraul> yes. why will the amazon fire for 200 USD a success, but the 100 USD Ingenic tablet a failure?
<wolfspraul> because one works, and the other one doesn't :-)
<wolfspraul> be a success
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<qi-bot> [commit] Werner Almesberger: ircstat/ML: updated for November 2011 (master) http://qi-hw.com/p/wernermisc/512a8d5
<qi-bot> [commit] Werner Almesberger: m1/patches/rtems/: milkymist-midi-opt.patch has been applied upstream (master) http://qi-hw.com/p/wernermisc/ec357b7
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<kyak> it's interesting that there has been no discussion of "carrier iq" here :)
<DocScrutinizer51> OSE system programming manual: 2830pp
<DocScrutinizer51> *cough*
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<wpwrak> kyak: what's there to discuss ? did you find anything in the least surprising about it ? ;-)
<kyak> every time something like that is discovered, i'm surprised :)
<wpwrak> ... that it didn't happen before ? :)
<kyak> that it did happen before, but now it happened again
<kyak> and probably this is not the last time to happen
<wpwrak> i think you have about realistic expectations :)
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<kyak> wpwrak: i assume your phone is something from Openmoko?
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<wpwrak> naw, a sleek little samsung dumbphone
<kyak> in both cases you have nothing to worry about :)
<kyak> who know though, what misteries are hidden inside of the dumbphone
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<wpwrak> the good thing about dumbphones is that you don't involve them in a lot of things that wouldn't be plainly visible to the carrier anyway :)
<DocScrutinizer51> wpwrak: btw (lte src) - no access to ds + register specs, so real hacking still futile. Max I could learn about hidden functions
<DocScrutinizer51> but, as mentioned, real hacking futile anyway due to signing
<wpwrak> well, real hacking can still translate to knowledge. knowledge is power :)
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<LunaVorax> Hello everyone!
<LunaVorax> I've just updated my Ben Nanonote
<LunaVorax> A big thank you for the one who worked on the boot logo
<LunaVorax> It's perfect
<LunaVorax> It's clean and good
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<kristianpaul> LunaVorax: gtkperfct and in general gtk apps show ok to you on screen?
<xiangfu> kristianpaul, there is a problem when quit GTK apps. this bug been there for long time :(
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<LunaVorax> kristianpaul, sorry I've been away, you want me to try out theses two softwares?
<LunaVorax> gtkperf seems to be ok
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<LunaVorax> kristianpaul, if you were talking about gtkperf, it seems to be running mostly ok. A few parts are a bit clunky.
<LunaVorax> Apart from drawing, nothing shows on screen.
<LunaVorax> I mean
<LunaVorax> Drawing is the only test that fails
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<LunaVorax> Is there a Ctrl+Alt+Del equivalent for the Ben Nanonote ?
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<kristianpaul> i mean characters looks ike squares, bt if you said is know bug, ok..
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<LunaVorax> Hey everyone!
<LunaVorax> I'm experiencing some troubles with opkg
<LunaVorax> It tells me it can't download packages with wget but when I does it manually it works ok
<kristianpaul> very recursive
<kristianpaul> now i wonder if is really safe replace current radar tech with this ADS-B
<kristianpaul> at least if you have the receiver can run in time in case a non wanted colittion :)
<GNUtoo> LunaVorax, opkg update?
<LunaVorax> I've done that yes
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<whitequark> DocScrutinizer51: do they do their signing like Motorola does? as in "bootloader like a swiss cheese"
<DocScrutinizer> I think signing is handled during flashing
<DocScrutinizer> and probably also during boot, where bootloader hashsums the "kernel"
<DocScrutinizer> I still have 90% of docs left for reading
<DocScrutinizer> just about OSE
<DocScrutinizer> and source is no less than a full bare bones linux system, incl kernel and all - for each chipset
<DocScrutinizer> millions of sourcelines
<GNUtoo> DocScrutinizer, what device?
<DocScrutinizer> STE-chips
<GNUtoo> ok
<DocScrutinizer> you might google for thorium, tell me if you get hits
<GNUtoo> ok I get some hits
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