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| 02:32.29 | tlwoerner | Jin^eLD: i just tried a clean build of tinker-board, flashed, and it booted fine |
| 02:33.07 | tlwoerner | Jin^eLD: by the way, i believe eMMC is when it's soldered directly onto the board, the tinker-board doesn't have any eMMC, just removable uSD card (i.e. MMC) |
| 02:33.18 | tlwoerner | Jin^eLD: https://pastebin.com/EX1FbnyG |
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| 12:34.37 | hrw | https://marcin.juszkiewicz.com.pl/fosdem/ - covers all years with videos (2015-2020) |
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| 13:54.47 | Jin^eLD | tlwoerner: well, I think it has both, an sd-card port and emmc (the one "soldered" on the board) |
| 13:55.01 | Jin^eLD | and you have a jumper to tell the boot process to boot from sdcard or from the internal flash |
| 13:55.55 | Jin^eLD | so tinker-board should have emmc...?! :) how did you flash it? |
| 13:56.21 | tlwoerner | Jin^eLD: aaaaahhhhhh |
| 13:56.27 | tlwoerner | you have the tinker board "C" |
| 13:56.29 | Jin^eLD | or in other words... if you flashed it to sdcard assuming the board has no emmc then it probably worked, this scenario works for me as well |
| 13:56.45 | tlwoerner | oops, Tinker Board "S" |
| 13:56.53 | tlwoerner | http://linuxgizmos.com/asus-tinker-board-s-adds-16gb-emmc-and-more/ |
| 13:56.55 | Jin^eLD | oooh ok sorry, I should have mentioned that, indeed, its an "S" I think |
| 13:57.08 | Jin^eLD | actually I did not know there were emmc-less versions :) kinda missed that |
| 13:57.09 | tlwoerner | ahh, good to know. i wasn't aware there was a newer model |
| 13:57.30 | Jin^eLD | OK, so that means you tested with the sdcard, right? |
| 13:57.32 | Jin^eLD | that works for me too |
| 13:57.50 | tlwoerner | yes, that's all my board has |
| 13:58.01 | tlwoerner | https://www.asus.com/ca-en/Single-Board-Computer/Tinker-Board/specifications/ |
| 13:58.03 | Jin^eLD | but I think the u-boot that we build misses something, because it won't work with emmc |
| 13:58.12 | tlwoerner | yes, that makes sense |
| 13:58.34 | Jin^eLD | probably also the kernel, when I boot via sdcard I don't see emmc from userspace either |
| 13:59.05 | tlwoerner | yes, there's probably a separate defconfig and/or DT spec for the "S" models |
| 13:59.41 | Jin^eLD | so should the "s" be another machine conf? |
| 13:59.49 | tlwoerner | yep, there it is |
| 13:59.54 | Jin^eLD | with those features enabled in the respective defconfig? |
| 14:00.53 | tlwoerner | yes |
| 14:01.23 | tlwoerner | we'll need a separate MACHINE in meta-rockchip, not a bit deal. i can try blindly putting one together (i don't have an "S") |
| 14:01.30 | tlwoerner | or you can give it a shot ;-) |
| 14:02.21 | Jin^eLD | if you know what exactly to enable that'd help me, but I can also have a look myself |
| 14:02.25 | tlwoerner | the defconfig for u-boot is named "tinker-s-rk3288_defconfig" |
| 14:02.28 | tlwoerner | https://github.com/u-boot/u-boot/blob/master/configs/tinker-s-rk3288_defconfig |
| 14:02.33 | Jin^eLD | oh its alraedy there |
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| 14:03.04 | Jin^eLD | I think I could try adding it myself then and hopefully come up with a patch if it all works |
| 14:03.38 | tlwoerner | yes, we just need a new meta-rockchip/conf/machine/tinker-board-s.conf |
| 14:04.24 | Jin^eLD | OK, I'll do it then |
| 14:04.38 | Jin^eLD | thanks for the hints :) |
| 14:05.39 | tlwoerner | update the UBOOT_MACHINE and KERNEL_DEVICETREE |
| 14:05.53 | tlwoerner | u-boot: tinker-s-rk3288_defconfig |
| 14:06.06 | tlwoerner | kernel: rk3288-tinker-s.dtb |
| 14:06.14 | tlwoerner | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/arch/arm/boot/dts?h=v5.5.1 |
| 14:07.18 | Jin^eLD | cool, thank you, I'll report back as soon as I tested it |
| 14:07.47 | tlwoerner | thanks! |
| 14:09.06 | tlwoerner | ...then buy another "S" and ship it to me ;-) hahhahahah lol |
| 14:13.11 | Jin^eLD | hehehe |
| 14:15.10 | tlwoerner | do you have a procedure for flashing the eMMC? flashing eMMCs is usually cumbersome (proprietary tools, fiddly procedures...) |
| 14:17.06 | Jin^eLD | they solved it nicely... but you need a u-boot with UMS support (uboot mass storage?) |
| 14:17.57 | Jin^eLD | you have several options, if your u-boot in emmc can do ums, you connect the micro usb to your pc instead of just a power adapter and emmc will be shown as mass storage |
| 14:18.04 | Jin^eLD | so you can just dd your image onto it |
| 14:18.19 | Jin^eLD | if you screwed up your uboot on emmc you can set the jumper to boot from sdcard |
| 14:18.47 | Jin^eLD | there again, you can either have your usb cable connected to the pc - then it will present the emmc as mass storage to your pc |
| 14:18.54 | JPEW | Jin^eLD: You'll also need to change the kernel boot args in the kickstart file |
| 14:19.02 | Jin^eLD | or you can just boot via sdcard, wget your image and dd it |
| 14:19.43 | Jin^eLD | JPEW: probably depends on how it will get enumerated? i.e. if setting the jumper to sdcard will change the order of appearance |
| 14:19.58 | Jin^eLD | otherwise if mmcblk0 is always the boot device then it probably could use the same args? |
| 14:20.17 | JPEW | Jin^eLD: Usually it just changes what emmc the SoC boots from |
| 14:20.45 | Jin^eLD | I'll have a look at all of it after (late) lunch |
| 14:21.11 | Jin^eLD | now that I know why emmc was not found and how to make it appear it should not be too hard to configure everything |
| 14:22.51 | Jin^eLD | yesterday I was mostly confused because it did not find the emmc at all and at that point I did not realized that I compiled the image for an emmc-less version |
| 14:22.59 | Jin^eLD | so now it all makes sense of course |
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| 16:35.47 | armpit | so if the layer index is going to put this message out "Your account has been locked out. Please contact the admin." is should indicate who the admin is. |
| 16:40.24 | Jin^eLD | tlwoerner: one thing I am noticing - on Yocto we don't seem to have this UMS feature enabled in u-boot, i.e. when I connect the board to my PC and have a yocto image flashed |
| 16:40.29 | Jin^eLD | it won't show up as mass storage |
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| 16:49.13 | Jin^eLD | btw thats a bit odd, are two root statements valid at all? |
| 16:49.14 | Jin^eLD | [ 0.000000] Kernel command line: root=/dev/sda7 rootwait console=tty1 console=ttyS2,115200n8 rw root=/dev/mmcblk0p7 rootfstype=ext4 init=/sbin/init |
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| 16:58.34 | Jin^eLD | when booting from sdcard it still does not see emmc, but u-boot itself seems to know about it now |
| 16:58.59 | Jin^eLD | I have a feeling that further tuning of those defconfigs will be required, just taking the stock ones for the -s model does not seem to do the trick |
| 16:59.22 | Jin^eLD | when trying to boot from emmc I get stuck in a loop, it tries to load the kernel but them jumps back to u-boot |
| 17:04.24 | Jin^eLD | ah, ums is in u-boot but I guess it has to be started manually |
| 17:04.32 | Jin^eLD | i.e. in yocto-built u-boot |
| 17:04.44 | Jin^eLD | mmc 0 is the internal emmc |
| 17:04.58 | Jin^eLD | I wonder why it won't boot properly though |
| 17:07.29 | Jin^eLD | basically it stops at [ 4.655352] Waiting for root device /dev/mmcblk0p7... |
| 17:08.14 | Jin^eLD | ok thats odd, so for u-boot emmc is mmc0 but for the kenrel its mmc1? |
| 17:08.54 | Jin^eLD | https://paste.ee/p/RQvn9 |
| 17:12.22 | Jin^eLD | JPEW: I guess you were right about the order after all |
| 17:12.26 | Jin^eLD | :) |
| 17:14.04 | Jin^eLD | I now wonder if one needs to build two images depending on where it is going to be used - one for sd and one for flash? since the kernel command line will differ... |
| 17:22.40 | Jin^eLD | I guess a few questions need to be clarified before I can come up with a patch, bug generally it seems to work, using those configs allowed to boot from emmc after all (+command arg tuning) |
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| 18:24.21 | JPEW | Jin|away: Yes, you might need a different wks file for emmc/sd bood |
| 18:49.28 | tlwoerner | Jin|away: yes, separate images (depending on whether it's going to be used on uSD or eMMC) would be required, and is how other BSP layers handle it (currently) |
| 18:50.21 | tlwoerner | Jin|away: multiple MACHINEs get defined, each with the settings required for that configuration, and therefore multiple builds are done |
| 18:50.43 | tlwoerner | (even though it's the same baord) |
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| 19:43.09 | khem | n |
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| 22:28.20 | Jin^eLD | n |
| 22:28.52 | Jin^eLD | JPEW, tlwoerner: I thought one could flash the same armbian on sdcard or emmc and it would work? hmm |
| 22:29.04 | Jin^eLD | OK, I'll create two wks images then |
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