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Adel Ahmed
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Joined: 21 Sep 2012
Posts: 724

PostPosted: Fri Oct 03, 2014 5:40 pm    Post subject: gentoo on tablets Reply with quote

I'm interested in installing gentoo on a crappy chinese tablet(low end), then using that tablet as a wifi repeater(maybe install some other servers as well)
where do I start?
I'm aware drivers are gonna give me hell, I was more interested in booting gentoo on the tablet in the first place(network boot?), If I can reach the stage where I can connect to wifi/bluetooth and run an ssh server that would be great.

I'm not trying this out for the functional outcome(I know I can buy me a repeater or a raspberry pi) I'm trying this out for a. educational purposes(I've worked with the ARM arch before b. if things go well I might install gentoo on my mobile phone and main tablet


thanks
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lost+found
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Joined: 15 Nov 2004
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PostPosted: Fri Oct 03, 2014 7:09 pm    Post subject: Reply with quote

If your chip is an Allwinner SoC, I think the best information is here: sunxi...
...and start cross-compiling with Gentoo.

The first challenge is to boot a kernel, maybe with just busybox. I tried it some months ago without much luck. I still think it would be fun to have Gentoo on my tablet, or KDE Plasma Active.

Good luck!!
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Joined: 15 Nov 2004
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PostPosted: Tue Oct 07, 2014 6:19 pm    Post subject: Reply with quote

Hey, I gave it another try... I was able to boot a kernel + busybox now, and see some action (the output) on screen. :D I ended up in using FEL/USB boot, and mounting the root partition from SDcard. I'm not going to ruin nand yet!

Maybe a useful tip: reuse the original script.bin from your device if you can (probably on nanda), and run:
Code:
# fexc -I bin -O fex script.bin fexc.out
...then find the right u-boot configure target under u-boot-sunxi/board, in the Makefiles and .c files (dram_para must match [dram_para] of fexc.out).

And adding a second `console=tty0' to boot.cmd will get the output on screen.


Cheers
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