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| 17:45.47 | *** topic/#arm-netbook is arm-netbook: Don't ask to ask. Just ask! - EOMA68 spec http://bit.ly/ZHqfxA - ML arm-netbook@lists.phcomp.co.uk - Logs http://bit.ly/XELKJq or http://bit.ly/15OCYPD - For Allwinner/sunxi discussions prefer #linux-sunxi - iMX6 Card http://bit.ly/XAUGCD - Flying Squirrel http://bit.ly/WgOYaR - Allwinner A10/A20 Card http://bit.ly/zBLAbY - http://rhombus-tech.net |
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| 18:26.48 | hno | lkcl, good progress today. Successfully loaded u-boot over USB. |
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| 18:43.21 | hno | lkcl, https://github.com/hno/Allwinner-Info/tree/master/EOMA68/FEL/ |
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| 18:52.48 | lkcl | hno: woo! |
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| 18:58.33 | hno | lkcl, you might want to try giving that a spin on your board. Precompiled binaries (except for fel) is found there. |
| 18:59.18 | lkcl | got it. i've got fel (sunxi-tools) already |
| 19:00.56 | hno | and that u-boot.bin is already hacked up to use SD3 so you can try booting the test image I posted the other day. |
| 19:02.37 | hno | hm.. almost. seems mmc numbering differs beteen sunxi u-boot and allwinner. |
| 19:04.34 | hno | and also need to load script.bin. |
| 19:09.52 | lkcl | root@teenymac:~/src/a10/Allwinner-Info/EOMA68/FEL# !fel |
| 19:09.53 | lkcl | fel write 0x2000 fel-boot.bin |
| 19:09.53 | lkcl | fel: fel.c:297: main: Assertion `rc == 0' failed. |
| 19:09.56 | lkcl | hmm.... |
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| 19:13.43 | lkcl | none /proc/bus/usb usbfs defaults 0 0 |
| 19:13.45 | lkcl | ahhh gooood |
| 19:14.00 | lkcl | hmmm... still baad |
| 19:18.42 | lkcl | ah i know what it is, i'm still running xp in qemu with usb allowed access to 1ef8 :) |
| 19:19.12 | lkcl | yeahhh that'll do it |
| 19:33.22 | hno | lkcl, did it boot? |
| 19:42.59 | lkcl | hno: don't know yet. just preparing an sd card |
| 19:43.03 | lkcl | hmmm..... |
| 19:43.10 | lkcl | rs232.... |
| 19:43.32 | lkcl | yeah i think do rs232 first ARG i need 2 micro-usb cables, darn it!! |
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| 19:45.39 | hno | lkcl, You could take a chance and just try.. if it works my image gives you a virtual serial port on the OTG. |
| 19:46.03 | hno | Updated uEnv.txt that works with this u-boot is at https://github.com/hno/Allwinner-Info/tree/master/EOMA68 |
| 19:50.13 | lkcl | ack. oooo. gooood. |
| 19:50.52 | lkcl | right. found an sd card, it's my armhf one for the odroid-u2. the 256mb spare one i have is dead, ah well |
| 19:50.54 | lkcl | ok. so. |
| 19:52.25 | lkcl | might as well try it :) |
| 19:53.45 | lkcl | ok... sitting there.... FEL-mode.... |
| 19:54.11 | lkcl | ahh but FEL mode isn't coming back, not sure if that's a good sign :) |
| 19:54.17 | lkcl | fel ver i meant |
| 19:56.09 | lkcl | ok let's try that again... |
| 19:59.35 | lkcl | ooo scarey. |
| 19:59.50 | lkcl | plugged in USB-OTG and into the PCMCIA socket at the same time... |
| 20:00.50 | lkcl | now i get the console and.... huh. nothing. |
| 20:01.04 | lkcl | hmmmm... |
| 20:01.16 | hno | ? |
| 20:01.51 | lkcl | aww shit - forgot to plug in the 5V power before removing the USB-OTG :) |
| 20:02.03 | lkcl | *sigh* |
| 20:02.07 | lkcl | leeet's try that again |
| 20:02.22 | hno | Got it booting purely over USB now. |
| 20:02.36 | lkcl | i only have 1 micro-usb cable and i need it for both the PL2303 and USB-FEL |
| 20:04.08 | lkcl | which is pretty awesome, hno. |
| 20:04.21 | hno | u-boot.bin and README.txt updated. |
| 20:04.34 | lkcl | ok. right. fel exe 0x4a000000 run... let's swap cables..... |
| 20:05.43 | lkcl | return on RS232 console.... nothing. |
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| 20:06.19 | hno | lkcl, :( |
| 20:07.11 | lkcl | ok, power down... hang on... usb dropped off.... yes, that's because i unplugged the usb-fel :) |
| 20:07.41 | mnemoc | get another mini-usb cable :p |
| 20:07.58 | lkcl | mnemoc: yehhhh i knoowwww.... forgot to bring one home with me |
| 20:08.21 | lkcl | will have another go tomorrow, but want to try some combinations tonight |
| 20:08.38 | lkcl | hno: ah! write script.bin too :) |
| 20:08.40 | lkcl | ok... |
| 20:08.51 | lkcl | yeah that might help, eh? |
| 20:09.32 | lkcl | Bus 001 Device 067: ID 1f3a:efe8 |
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| 20:11.14 | lkcl | holy fucking shit it worked |
| 20:11.30 | lkcl | hno you muppet, what's the bloody password??? :) |
| 20:12.19 | hno | <PROTECTED> |
| 20:12.29 | lkcl | not roor then, eh? |
| 20:12.35 | lkcl | ahh got it |
| 20:12.40 | hno | :) |
| 20:13.49 | lkcl | haaaaa |
| 20:14.02 | lkcl | boooot |
| 20:14.05 | lkcl | haapppyyyyyyyy |
| 20:14.11 | lkcl | no ethernet, but that's ok |
| 20:14.23 | lkcl | hmmm..... g_ether. need g_ether |
| 20:14.35 | lkcl | that'll get me usb-over-ethernet |
| 20:14.45 | hno | g_ether should be in there. But you need to rmmod g_serial first. |
| 20:14.51 | lkcl | ack |
| 20:15.06 | lkcl | hmmmm, that'll be fun. yehhh, can be scripted... |
| 20:15.15 | lkcl | woo, you're a fucking genius, hno. |
| 20:15.58 | hno | also the ethenet driver is enabled if you wire up a connector on the PCMCIA side. |
| 20:16.01 | lkcl | why didn't livesuite work?? |
| 20:16.29 | hno | maybe the NAND got messed up somehow. |
| 20:17.07 | hno | I do not know. |
| 20:17.54 | hno | lkcl, re the password: https://github.com/hno/miniroot/blob/master/initramfs/etc/init.d/rcS#L23 |
| 20:18.36 | lkcl | hno: ack |
| 20:19.20 | hno | Use this busybox system in some other places and there the password is set with a more elaborate algorithm. |
| 20:19.55 | lkcl | ok sah |
| 20:19.56 | hno | FEL booting the complete system takes 18.8 seconds. |
| 20:20.01 | lkcl | :) |
| 20:20.36 | hno | FEL booting only u- boot 1 second. |
| 20:26.57 | hno | lkcl, Seem to at least boot fine with DRAM clocked at 480 like cubieboard. But have not stress tested it at all. |
| 20:27.37 | lkcl | yeah me neither |
| 20:27.45 | lkcl | just wondering how to get access to the nand |
| 20:28.01 | lkcl | bit odd running a chroot environment |
| 20:28.05 | lkcl | no udev |
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| 20:28.11 | hno | ? |
| 20:28.31 | hno | what chroot? |
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| 20:28.45 | lkcl | on that microsd i have an armhf chroot as well |
| 20:29.04 | hno | ok. |
| 20:29.15 | hno | mount -t devtmpfs none /dev |
| 20:29.32 | lkcl | oo that's better :) |
| 20:29.56 | hno | or "mount --bind /dev /path/to/chroot/dev" before you chroot. |
| 20:32.32 | lkcl | yep that's better. |
| 20:33.00 | lkcl | doh! |
| 20:33.04 | lkcl | no bloody modules, doh! |
| 20:33.05 | mnemoc | for x in dev dev/pts sys proc; do mount ......; done |
| 20:34.00 | hno | lkcl, there is some modules in the initrd. But I said it before, this is a very stripped dorn kernel. You want to build your own. |
| 20:34.08 | lkcl | yep. |
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| 20:34.11 | lkcl | i got one. |
| 20:34.19 | lkcl | but at least i have something working |
| 20:34.36 | hno | yes, and that's all this kernel was meant to be used for. |
| 20:34.40 | lkcl | ack |
| 20:34.44 | lkcl | g_ether. gooood |
| 20:35.33 | hno | I think I also build g_mass_storage, but haven't got that working properly on any sunxi system for me. |
| 20:35.38 | lkcl | yes you did |
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| 20:54.37 | hno | lkcl, why is the board built with 4 DRAM chips? It's very tight and the chineese dual-die chips Cubie uses would save quite a bit of space on the board. The chips are slightly bigger, but can go almost flush to the CPU as there is only one pair of chips to match traces for. |
| 20:55.51 | hno | http://dl.linux-sunxi.org/users/amery/pictures/cubieboard-2012-08-08/DSCF4275.JPG |
| 20:58.07 | lkcl | hno: nooo idea. they're cheap? :) |
| 20:59.27 | hno | I would think those chineese "never heard the brand before" chips are cheaper. |
| 21:00.11 | lkcl | hmmm, worth investigating. thank you. |
| 21:02.06 | hno | also I miss those internal expansion connectors, jtag etc.. |
| 21:02.23 | lkcl | i knowwww |
| 21:03.34 | lkcl | right. ok. can you walk me through the process of booting off of /dev/sda2 rootfs? |
| 21:05.35 | hno | sata? |
| 21:06.10 | hno | or you mean mmcblk0p2? |
| 21:06.36 | lkcl | mmcblk0p2 |
| 21:06.45 | lkcl | sorry |
| 21:07.05 | lkcl | i'll do a g_serial first |
| 21:07.13 | lkcl | then i can work out g_ether afterwards |
| 21:09.33 | hno | To boot from mmcblk0p2 is ony a matter of setting up uEnv.txt right. |
| 21:09.58 | SPG | lkcl master 12cebff rhombus allwinner_a10/boot.mdwn * add boot * http://git.hands.com/?p=rhombus.git;a=commitdiff;h=12cebff |
| 21:10.23 | lkcl | and that gets read from /dev/mmcblk0p1 automatically? |
| 21:10.32 | hno | yes. |
| 21:11.03 | hno | actually it tries many other things as well. |
| 21:11.07 | lkcl | ok :) |
| 21:11.43 | lkcl | ermm.... ermermerm.... initrd. where am i getting an initrd from.... following usual boot stuff, that's rootfs.cpio.gz but this is different isn't it... |
| 21:12.01 | hno | same same. |
| 21:12.11 | lkcl | ok. |
| 21:12.31 | lkcl | so just blat rootfs.cpio.gz as initrd (directly?) or err... |
| 21:12.32 | hno | just wrapped in an u-boot header with mkimage. |
| 21:12.36 | lkcl | sorry bit floundering |
| 21:12.40 | lkcl | ohhh ok. |
| 21:12.42 | lkcl | right got it. |
| 21:12.44 | lkcl | got one of them :) |
| 21:12.57 | hno | but you don't need an initrd. |
| 21:13.20 | lkcl | eh? |
| 21:13.21 | lkcl | oh ok |
| 21:13.30 | hno | which u-boot do you plan on using? |
| 21:13.51 | lkcl | Allwinner-Info/EOMA68/u-boot.bin for now |
| 21:14.16 | lkcl | http://rhombus-tech.net/allwinner_a10/boot/ |
| 21:14.35 | hno | Ok, that's our linux-sunxi u-boot so you have all powers (except for NAND support). |
| 21:15.18 | lkcl | ehhh.... can i live without that for now.... yes i can |
| 21:15.56 | hno | What I prefer is mmcblk0p1 /root mmcblk0p2 swap. All boot files in /boot |
| 21:16.12 | lkcl | ack |
| 21:16.36 | hno | in /boot/uEnv.txt I have only kernel=uImage-3.4.34+ telling u-boot which kernel to look for. |
| 21:17.32 | lkcl | ok |
| 21:17.42 | lkcl | well, here, i don't need initramfs.img do i |
| 21:18.07 | lkcl | aand.... the layout is |
| 21:18.17 | lkcl | mmcblk0p0 is FAT |
| 21:18.22 | lkcl | mmcblk0p1 is /root |
| 21:18.29 | lkcl | i've not got a swap partition |
| 21:20.05 | hno | then have mmcblk0p0 as /boot and in uEnv.txt also specify root=/dev/mmcblk0p1 |
| 21:20.27 | lkcl | good point |
| 21:21.00 | hno | it is possible to have /boot within mmcblk0p1 if you need, but uEnv.txt then gets a little more complex. |
| 21:23.09 | hno | Heh, just remember that you don't need to specify root=. If there is no /boot on the first partition then I assume the root is on the second partition. |
| 21:23.32 | lkcl | ahh ok :) |
| 21:23.40 | hno | and a small typo above. Your root is root=/dev/mmcblk0p2 |
| 21:23.43 | lkcl | well it's ok |
| 21:23.46 | lkcl | eh? |
| 21:23.47 | lkcl | oops |
| 21:24.07 | lkcl | ack, yes |
| 21:24.23 | hno | there is no p0 |
| 21:24.23 | lkcl | what's the voodoo magic for g_ether - ttyGS0 ? |
| 21:24.28 | lkcl | forgot |
| 21:24.44 | hno | what do you mean? |
| 21:25.11 | lkcl | in /etc/inittab |
| 21:25.28 | hno | what do you want to do? |
| 21:26.04 | lkcl | usb gadget serial login |
| 21:26.20 | hno | in your root? |
| 21:26.21 | lkcl | just like with the miniroot |
| 21:26.22 | lkcl | yes |
| 21:26.30 | lkcl | i have no way in otherwise!! :) |
| 21:26.49 | hno | modprobe g_serial at a suitable place. I have mine in rcS |
| 21:26.57 | lkcl | i put it in /etc/modules |
| 21:27.15 | hno | and an inittab enty to start a getty on ttyGS0 |
| 21:27.24 | lkcl | ack |
| 21:27.28 | lkcl | got it |
| 21:27.29 | hno | and if you want to log in as root remember to mark the tty as secure. |
| 21:27.53 | hno | /etc/securetty |
| 21:28.08 | lkcl | ack got it good trick |
| 21:28.32 | lkcl | ok ready to give that a shot |
| 21:28.48 | SPG | lkcl master 2a242d2 rhombus allwinner_a10/boot.mdwn * update * http://git.hands.com/?p=rhombus.git;a=commitdiff;h=2a242d2 |
| 21:29.08 | hno | And I will leave you there. Need to get some sleep. Up early in the morning. |
| 21:29.22 | lkcl | ok sah |
| 21:29.26 | lkcl | thank you hno |
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| 21:30.35 | hno | lkcl, you don't need u-boot.bin on the sdcard here. We can not load u-boot from the sdcard currently. |
| 21:31.40 | hno | and the serial module is g_serial, not g_ether |
| 21:33.25 | lkcl | ack :) |
| 21:33.26 | lkcl | ok |
| 21:34.33 | hno | also your uEnv.txt only need to contain kernel=nameofyourkerneluImage. Nothing more. But what you have there also works. The uenv_do_load thing is just to make it work both with sunxi u-boot and the allwinner one. |
| 21:34.46 | hno | patched allwinner one. |
| 21:35.37 | lkcl | oh ok! |
| 21:35.38 | lkcl | ack |
| 21:36.22 | lkcl | you sent me a u-boot.bin that is good with SD3 didn't you |
| 21:36.32 | lkcl | ahh i'll work it out |
| 21:36.36 | hno | And if your kernel is uImage then no uEnv.txt is needed. |
| 21:37.23 | lkcl | ack |
| 21:37.39 | lkcl | ok so actually i'm making it all more complicated |
| 21:37.56 | hno | Yes, and yes. |
| 21:38.17 | lkcl | ha ha |
| 21:38.24 | hno | the u-boot.bin is good with SD3 in the sense that it knows how to access SD3. |
| 21:39.56 | hno | sunxi u-boot and allwinner u-boot differ slightly there however. allwinner u-boot names SD3 as mmc 3 in u-boot, while sunxi u-boot names it mmc 0, which is a bug but makes life more comfortable in this case. |
| 21:45.16 | lkcl | ok boot but no g_ether |
| 21:45.19 | lkcl | g_serial |
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