sd-card is not working on espressobin

[Stefan Roese]

Hi Moritz,

On 27.04.20 09:56, Moritz Berghof wrote:
> Hi Community,
> 
> Hi Marek, Hi Stefan,
> 
> we are still working on the u-boot master of the espressobin platform.
> 
> Do you have any ideas why mmc cannot find any sd-card?

Could you please give the patches from Peter Vollmer a try:

https://patchwork.ozlabs.org/project/uboot/patch/CAGwvh_PFPBcnbtt6RT3h+eQgQQpP7Kyq6bBDhwAkTTsyEeSA-Q@mail.gmail.com/

https://patchwork.ozlabs.org/project/uboot/patch/CAGwvh_NgxzyDAUOc1vUD4w7S8+yLiwpYj6HpFUQVU=Lwfo7Oiw@mail.gmail.com/

Thanks,
Stefan

> The mmc devices can be list and I changed the 
> *armada-3720-espressobin.dts* 
> <https://pxccs-gitlab.dev.de.innominate.com/pxccs-components/u-boot-mainline/-/blob/master/arch/arm/dts/armada-3720-espressobin.dts> 
> with:
> 
> vcc_sd_reg0:regulator at 0{
> 
>          …
> 
> };
> 
> &sdhci0 {
> 
>          pinctrl-names = "default";
> 
>          pinctrl-0 = <&sdio_pins>;
> 
>          bus-width = <4>;
> 
>          vqmmc-supply = <&vcc_sd_reg0>;
> 
> status = "okay";
> 
> };
> 
> MMC ist activated on *mvebu_espressobin-88f3720_defconfig* 
> <https://pxccs-gitlab.dev.de.innominate.com/pxccs-components/u-boot-mainline/-/blob/master/configs/mvebu_espressobin-88f3720_defconfig>.
> 
> Greetings,
> 
> --
> 
> Moritz Berghof
> 
> Software Engineer
> 
> mberghof at phoenixcontact.com <mailto:mberghof at phoenixcontact.com>
> 
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> 
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> //


Viele Grüße,
Stefan

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