Kobo Clara HD #4
Comments
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Not yet, sorry. I need testers! |
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Is there a way how to test it? I do own one and would be more than willing to help. |
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Yeah, if you're willing to open it and debug with a serial port :D
Le ven. 3 déc. 2021, 05 h 41, Petr Hodina ***@***.***> a
écrit :
… Is there a way how to test it? I do own one and would be more than willing
to help.
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That's actually why I got the device. Is there a guide on where on the SDCard to put the Inkbox? Soldering is not a problem.
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@phodina You first need to hook up your Kobo to a working serial console because we'll have to debug kernels and U-Boot. There is no already-made image for this device, we have to start from scratch. |
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Thanks for the information. There is postmarketos image here FIY The eink diplay configuration is placed in the beginning of the sdcard so backup is important |
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InkBox isn't based on PostMarketOS at all, just so that we're on the same
page.
Yes, you can backup the eink configuration, but the same image should work
for all devices.
Let me know when serial will be attached !
Le jeu. 9 déc. 2021, 11 h 28, Petr Hodina ***@***.***> a
écrit :
… Thanks for the information. There is postmarketos image here
<https://wiki.postmarketos.org/wiki/Kobo_Clara_HD_(kobo-clara)>
I've backed up the image and plan to solder headers and attach serial to
USB converter.
FIY The eink diplay configuration is placed in the beginning of the sdcard
so backup is important
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Hello, I was wondering if you got some progress with serial. Thanks ! |
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@tux-linux Yes I got it working though there was some delay due to Christmas. This is the output of the official Kobo image. |
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Hello, very nice ! |
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Ok, try this on your Kobo: untar the tar.gz, then enter this in a terminal, assuming Then, boot your Kobo up and post the boot log ;) |
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Thanks @tux-linux . Should I copy the image to an empty micorSD or the one with the firmware for the Eink display included in the first sectors? Based on the image size and quick check I assume it's just the Linux kernel, isn't it? |
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Yes it is. Flash it to the SD with existing firmware. |
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So the boards boots with the new kernel and I'm able to reach the welcome menu. However there are some issues after starting the kernel. But if I reboot the device it's stuck at booting - don't see any kernel messages. And there are just 3 dots on the display. Only after unplugging the serial adapter I got the board to boot :-/ |
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It seems fine, as far as I can see, those are the same that were there in
the previous kernel.
Are you able to get to a shell?
Do `cat /proc/version`.
Thanks !
Le jeu. 13 janv. 2022, 05 h 50, Petr Hodina ***@***.***> a
écrit :
… So the boards boots with the new kernel and I'm able to reach the welcome
menu.
However there are some issues after starting the kernel.
U-Boot 2016.03-00038-g4a92f9d (Jun 04 2018 - 14:20:13 +0800)
CPU: Freescale i.MX6SLL rev1.1 996 MHz (running at 792 MHz)
CPU: Commercial temperature grade (0C to 95C) at 38C
Reset cause: POR
Board: MX6SLL LPDDR2 NTX
I2C: ready
DRAM: 512 MiB
__get_sd_number(),cfg23=1,cfg24=0
force_idle_bus: sda=1 scl=0 sda.gp=0x4d scl.gp=0x4c
force_idle_bus: sda=0 scl=0 sda.gp=0x4f scl.gp=0x4e
force_idle_bus: sda=1 scl=0 sda.gp=0x56 scl.gp=0x55
MMC: board_mmc_init() : isd=1
board_mmc_init() : wifi=2
FSL_SDHC: 0, FSL_SDHC: 1
In: serial
Out: serial
Err: serial
ntx_hw_early_init() 0
ram p=80000000,size=536870912
switch to partitions #0, OK
mmc0 is current device
mmc read 0x9ffffe00 0x3ff 0x1
MMC read: dev # 0, block # 1023, count 1 ... 1 blocks read: OK
mmc read 0x9ffffe00 0x400 0x1
MMC read: dev # 0, block # 1024, count 1 ... 1 blocks read: OK
ntx_hw_late_init()
mmc read 0x9ffffc00 0x1 0x1
MMC read: dev # 0, block # 1, count 1 ... 1 blocks read: OK
NTXSN not avalible !
ntx_gpio_get_value(402) : error parameter ! null ptr !
ntx_config_fastboot_layout():10 binaries partition added
ntx_config_fastboot_layout():3 mbr partition added
check_and_clean: reg 0, flag_set 0
Fastboot: Normal
Net: CPU Net Initialization Failed
No ethernet found.
Hit any key to stop autoboot: 0
switch to partitions #0, OK
mmc0 is current device
mmc read 0x80800000 0x800 0x2400
MMC read: dev # 0, block # 2048, count 9216 ... 9216 blocks read: OK
Booting from mmc ...
mmc read 0x83000000 0x505 0x1
MMC read: dev # 0, block # 1285, count 1 ... 1 blocks read: OK
dtb size = ***@***.***
mmc read 0x83000000 0x506 0x47
MMC read: dev # 0, block # 1286, count 71 ... 71 blocks read: OK
hwcfgp=9ffffe00,pcb=74,customer=9
ntx_gpio_get_value(402) : error parameter ! null ptr !
ESDin=0,UPGKey=-1,PWRKey=0,USBin=0x0,BootESD=0,MenuKey=0
mmc read 0x9ffffc00 0x37ff 0x1
MMC read: dev # 0, block # 14335, count 1 ... 1 blocks read: OK
mmc read 0x9fd6f400 0x3800 0x1485
MMC read: dev # 0, block # 14336, count 5253 ... 5253 blocks read: OK
mmc read 0x9fd6f200 0x405 0x1
MMC read: dev # 0, block # 1029, count 1 ... 1 blocks read: OK
[WARNING] Binaries load sequence should Lo->Hi !
mmc read 0x9fd6ce00 0x406 0x13
MMC read: dev # 0, block # 1030, count 19 ... 19 blocks read: OK
Kernel RAM visiable size=509M->509M
hwcfg rootfstype : 2
hwcfg partition type : 2
Kernel image @ 0x80800000 [ 0x000000 - 0x44ba50 ]
## Flattened Device Tree blob at 83000000
Booting using the fdt blob at 0x83000000
Using Device Tree in place at 83000000, end 8300b3b5
Starting kernel ...
i2c i2c-1: Device probe no ACK , retry 1/10 ...
tps6518x-pmic tps6518x-pmic: request vcom gpio failed (-16)!
tps6518x-pmic tps6518x-pmic: request powerup gpio failed (-16)!
tps6518x 1-0068: tps6518x int workqueue creating failed !
syscon-poweroff 20cc000.snvs:snvs-poweroff: pm_power_off already claimed 8002131c ntx_machine_poweroff
PMU: ricoh61x_battery_probe : version is RICOH61x_BATTERY_VERSION: 2014.02.21 V3.1.0.0-Solution1 2015/02/09
cpu cpu0: dev_pm_opp_get_opp_count: device OPP not found (-19)
EPDC_QoS not supported on this platform !
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Oh, I didn't see the second part of your comment. Maybe e-mail notifications didn't work properly. |
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just a note: the kobo clara vendor uboot seems to append quiet to the commandline... so maybe patch that away in the vendor uboot or rename the quiet command in kernel init/main.c |
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I remember a note about a "patched inkbox" on the Kobo Clara HD with more recent kernels. So somebody has tried something. |
Yes, it could be done, or force the cmdline at boot, too. IIRC, vendor U-Boot has bootdelay set to 1, so it would also be possible to set the bootargs there if needed. |
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yes, you can enter the u-boot cmdline. These messages are harmless, they just come from duplicated code in the drivers: |
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Hello @phodina , sorry for being slow in replying, I don't have much time these days. Thanks and have a good day! |
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Oki, I'll try to join there and we can continue the discussion. @tux-linux |
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Here's list of the partitions of the backup SDcard (before powering it on for the first time) |
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Hello, I just got myself a Kobo Clara HD. It seems unofficial inkbox build instructions for the Kobo Clara HD are available in https://github.com/aartoni/n249 . I have not tried these yet. Thank you for your work on free software! M |
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Have anyone tried this link then? |
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The link you supplied is pretty outdated, here is some new info: https://www.mobileread.com/forums/showthread.php?p=4387514#post4387514 |
Hi,
does Inkbox run on Kobo Clara HD EInk reader?
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