ChanServ changed the topic of #linux-rockchip to: Rockchip development discussion | IRC log http://irclog.whitequark.org/linux-rockchip | Community GH https://github.com/linux-rockchip | Rockchip GH https://github.com/rockchip-linux | ML https://groups.google.com/group/linux-rockchip
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<tomeu> hi there, I'm trying to get this board working with u-boot mainline: http://wiki.friendlyarm.com/wiki/index.php/NanoPC-T4
<tomeu> I'm following the instructions in board/rockchip/evb_rk3399/README with a DT from downstream, but it's not getting very far
<tomeu> this is serial: http://paste.debian.net/1052317/
<tomeu> oh, I'm writing the SPL and u-boot to a SD card
<tomeu> actually, for writing to the SD card, I'm following the instructions in board/theobroma-systems/puma_rk3399/README
<tomeu> any ideas on what's going wrong?
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<beeble> tomeu: you are not executing the bootloader you are building
<beeble> tomeu: i would guess you have one on your eMMC
<beeble> rom code is looking for a signature on eMMC first before it tries the SD-Card
<tomeu> hmm, but the version numbers are different when I boot into the factory bootloader
<tomeu> so I guess there's a second set of spl+u-boot somewhere internal
<beeble> line 120 of your paste. 2014.10 is not current :) (also august as builddate)
<beeble> also the first output with all the hex values is rockchip loader
<beeble> and not u-boot spl
<tomeu> sure, just meant that when I boot without the sd card in, I get other dates
<tomeu> nm, tomorrow I will get a type-c cable and will flash directly to emmc
<Esmil> Aha! Reverting 75b31192fe6ad20b42276b20ee3bdf1493216d63.seems to fix the sound on kevin. After that patch it seems the i2s0 never started only stopped
<beeble> tomeu: are you trying to use u-boot spl or do you want to use rockchiploader? if second then the you have to use another offset for your itb
<beeble> miniloader expects the image at 1MB iirc
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<Esmil> vicencb: i haven't tried hdmi audio, but with 75b31192fe6ad20b42276b20ee3bdf1493216d63 reverted i suddenly get sound on recent kernels
<Esmil> (on my chromebook plus, rk3399-gru-kevin)
<Esmil> oh, that's what you write in your mail. sorry didn't read it properly
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<vicencb> Esmil: well, at least I am not the only affected. It looks like Katsuhiro made some progress with 24d6638302b48328a58c13439276d4531af4ca7d. Sadly I have no idea on how to help in this area.
<Esmil> vicencb: i found that with the patch reverted the trigger function in the driver for i2s0 is correctly called with a start command when playback begins and a stop command with playback stops
<Esmil> however with the patch it is never called with the start command
<Esmil> ..so no i2s signal is output and hence no sound
<Esmil> ^ this function
<somy> hi, I'm hitting a wall with some DRM stuff and I don't understand why...
<somy> I'm trying to mmap a dumb buffer and I always get cannot acces memory at address...
<somy> any ideas why?
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<vicencb> Esmil: are you using your kevin with the factory-provided bootloader?
<Esmil> yes
<vicencb> do you know of somebody who doesn't?
<vicencb> I am trying hard, but so far no success
<Esmil> i think eballetbo pasted some logs that looked like he doesn't
<maz> vicencb: I use kexec from an initial (minimal) kernel
<vicencb> maz: this is what I am trying
<maz> (although that has regressed recently, and I still need to track it down)
<vicencb> I have made progress one step at a time, but after each step, something else breaks
<maz> that's the story of kevin in mainline, unfortunately.
<vicencb> ok, I see
<Esmil> koike: just tried your cursors patch on v4.20-rc3. works fine for me :)
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