Re: [PATCH] ARM: dts: rockchip: Make rk3288-veyron-mickey's emmc work again

From: Heiko Stuebner
Date: Tue May 07 2019 - 08:03:19 EST


Am Samstag, 4. Mai 2019, 01:45:37 CEST schrieb Douglas Anderson:
> When I try to boot rk3288-veyron-mickey I totally fail to make the
> eMMC work. Specifically my logs (on Chrome OS 4.19):
>
> mmc_host mmc1: card is non-removable.
> mmc_host mmc1: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
> mmc_host mmc1: Bus speed (slot 0) = 50000000Hz (slot req 52000000Hz, actual 50000000HZ div = 0)
> mmc1: switch to bus width 8 failed
> mmc1: switch to bus width 4 failed
> mmc1: new high speed MMC card at address 0001
> mmcblk1: mmc1:0001 HAG2e 14.7 GiB
> mmcblk1boot0: mmc1:0001 HAG2e partition 1 4.00 MiB
> mmcblk1boot1: mmc1:0001 HAG2e partition 2 4.00 MiB
> mmcblk1rpmb: mmc1:0001 HAG2e partition 3 4.00 MiB, chardev (243:0)
> mmc_host mmc1: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
> mmc_host mmc1: Bus speed (slot 0) = 50000000Hz (slot req 52000000Hz, actual 50000000HZ div = 0)
> mmc1: switch to bus width 8 failed
> mmc1: switch to bus width 4 failed
> mmc1: tried to HW reset card, got error -110
> mmcblk1: error -110 requesting status
> mmcblk1: recovery failed!
> print_req_error: I/O error, dev mmcblk1, sector 0
> ...
>
> When I remove the '/delete-property/mmc-hs200-1_8v' then everything is
> hunky dory.
>
> That line comes from the original submission of the mickey dts
> upstream, so presumably at the time the HS200 was failing and just
> enumerating things as a high speed device was fine. ...or maybe it's
> just that some mickey devices work when enumerating at "high speed",
> just not mine?
>
> In any case, hs200 seems good now. Let's turn it on.
>
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>

applied for 5.3

Thanks
Heiko