On Fri, Jan 13, 2023 at 11:00, Simon Glass <s...@chromium.org> wrote:
Hi Joost,

On Mon, 9 Jan 2023 at 06:31, Joost van Zwieten <jo...@diskos.nl> wrote:

 Dear maintainers,

 U-Boot on my Odroid U2 fails to initialize as of commit
e44d7e73fe0d649693d8d0a110cd7632bc919273 (introduced after v2022.10). I
 get the following output:

     U-Boot 2022.10-00565-ge44d7e73fe-dirty (Jan 09 2023 - 01:04:19
 +0100)

     CPU: Exynos4412 @ 1 GHz
     Model: Odroid based on Exynos4412
     Type: u3
     DRAM: 2 GiB
     Core: 101 devices, 12 uclasses, devicetree: separate
     LDO20@VDDQ_EMMC_1.8V: set 1800000 uV; enabling
     LDO22@VDDQ_EMMC_2.8V: set 2800000 uV; enabling
     LDO21@TFLASH_2.8V: set 2800000 uV; enabling
     MMC: SAMSUNG SDHCI: 2, EXYNOS DWMMC: 0
     Loading Environment from MMC... *** Warning - bad CRC, using
 default environment

     cros-ec communications failure -96

     Please reset with Power+Refresh

     Cannot init cros-ec device
     resetting ...

This repeats indefinitely. I'm building U-Boot using the default config
 for board `odroid` and boot the Odroid from an SD card with firmware
 (`bl1`, `bl2` and `tzsw`) from Hardkernel's clone of the u-boot
 repository [1]. There are no peripherals connected apart from the SD
 card and the serial console. Please let me know if you need more
 information.

board_late_init() is presumably enabled with CONFIG_BOARD_LATE_INIT
and the code in board/samsung/common/board.c is being called.

-96 is -EPFNOSUPPORT which means that the CROS_EC uclass is missing.

So either enable CROS_EC so you have the uclass, or disable
BOARD_LATE_INIT so it doesn't matter.


 Best, Joost

 [1]:
https://github.com/hardkernel/u-boot/tree/33e05ffb159141b640571e91470172d83a2a1273/sd_fuse



Regards,
Simon

Hi Simon,

Thanks. Both solutions work. With `CROS_EC` enabled `uclass_first_device_err(UCLASS_CROS_EC, &dev)` returns `ENODEV`. Since `board_late_init()` seems to do legitimate work for this board (defining the `mmcbootdev` environment variable) I think enabling `CROS_EC` is the way to go. Should this be part of the defconfig for odroid? If so, I can send a patch.

Best, Joost


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