ChanServ changed the topic of #linux-rockchip to: Rockchip development discussion | Wiki at http://linux-rockchip.info | Logs at http://irclog.whitequark.org/linux-rockchip
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<rperier> hi all
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<cristian_c> Hi
<cristian_c> I can't unpack system.img
<cristian_c> I get:
<cristian_c> rkunpack: invalid signature
<cristian_c> with ./rkunpack system.img
<cristian_c> Any ideas?
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<AstralixNB> cristian_c:have you tried just mounting it or mount it skipping the first 4 bytes?
<cristian_c> with an offset?
<cristian_c> no
<cristian_c> AstralixNB, I've tried only to mount it
<AstralixNB> mount -o loop,offset=xxx
<AstralixNB> If it is real rockchips image, there might be a token "ANDROID" and some checksums in the first few bytes
<AstralixNB> So offset can be 4, 8 or 32
<cristian_c> AstralixNB, no, I've tried now and it works
<cristian_c> :O
<cristian_c> sudo mount system.img ~/destination
<cristian_c> :O
<AstralixNB> May be the bits needed some time to settle...
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<cristian_c> AstralixNB, i've looked at lib/modules directory
<cristian_c> I see: rk29-ipp.ko , rk29-ipp.ko.3.0.36+ , rk30_mirroring.ko.3.0.36+ and rk30_mirroring.ko.3.0.8+
<cristian_c> they've got similar names to rk30xxnand_ko.ko files
<cristian_c> AstralixNB, while in the cwm recovery root directory, I see:
<cristian_c> rk29-ipp.ko.3.0.36+ , rk29-ipp.ko.3.0.8+ , rk30xxnand_ko.ko.3.0.36+ , rk30xxnand_ko.ko.3.0.8+
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<cristian_c> AstralixNB, Have I to substitute rk30xxnand_ko files with rk30_mirroring files?
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<userx____> probably it is not rockchip specific, but when you develop 3rd party touchscreen driver how you should configure/post input ? With ABSX, ABSY cursor move relative from last position, staring from screen center (android).
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<c0d3z3r0> mmind00: do you have a more or less working kernel config? i compiled the devel/workbench branch but it isn't starting at all
<mmind00> c0d3z3r0: devel/workbench should contain two defconfigs (rk30_rk31_defconfig and rk3288_defconfig) which I use all the time
<c0d3z3r0> ah yeah I've been looking for radxa* all the time… thanks :)
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<mmind00> c0d3z3r0: you might need to kill the initramfs source under "General settings" in the kernel config of course
<c0d3z3r0> ok
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<c0d3z3r0> mmind00: do I need the DTB?
<mmind00> of course
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<c0d3z3r0> mmind00: why wasn't it needed with rockchips 3.0 kernel?
<c0d3z3r0> s/wasn't/isn't/
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<karlp> because they hardcoded everything into the kernel, instead of having a slim board file (.c) and separate .dtbs
<karlp> hence why not all the 3.0.x kernels are compatible for different devices
<mmind00> devicetree on arm is a somewhat new development ... on 3.0 many in-kernel architectures where not even using devicetree and forked vendor trees are ignoring mainline-practices most of the time anyway
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<c0d3z3r0> karlp: mmind00: thanks for the explanation. what would happen if I disabled "Use appended device tree blob to zImage"? would it be compiled into the kernel itself or would the kernel just don't work?
<karlp> sort of depends on your bootloader
<mmind00> c0d3z3r0: it won't work
<karlp> if your bootloader can tell the kernel a partition/location to find the dtb things might work.
<mmind00> in general the appended dtb is a hack, as normally the bootloader is expected to provide the hardware-specific devicetree
<karlp> down where it says "NOTE: if you don't have the dtb appended" on this page: http://false.ekta.is/2014/07/rk3066-near-mainline-x5mini/ you can see what happens
<c0d3z3r0> ah now I understood :)
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<amstan> where can i find the newest TRM for rk3288?
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<cristian_c> Hi
<cristian_c> AstralixNB, do you think is it the right way?
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<mmind00> amstan: I don't think it's publically available
<amstan> mmind00: alright
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