[PATCH v2 0/4] rockchip: Improve support for Bob chromebook and add support for Kevin

Alper Nebi Yasak alpernebiyasak at gmail.com
Mon Dec 20 16:09:28 CET 2021

On 19/12/2021 20:14, Simon Glass wrote:
> Thanks for the info. I tested on kevin and bob again, with the eMMC
> series. I see an MMC problem on bob but kevin seems to be OK
> (intermittent?)

I have no idea why you get different results with bob vs kevin. But I
can disable the higher-speed configs and send a v3, then try enabling
those later after figuring out and fixing whatever's wrong.

> U-Boot 2022.01-rc3-00008-g144d40cc2f5 (Dec 19 2021 - 08:49:57 -0700)
> Model: Google Bob
> DRAM:  3.9 GiB
> MMC:   mmc at fe320000: 1, mmc at fe330000: 0
> Loading Environment from MMC... unable to select a mode : -70
> *** Warning - No block device, using default environment

So this is -ECOMM with a message from mmc_select_mode_and_width(),
probably originating from sdhci_send_command(), but I don't exactly know
what calls what in between...

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