[PATCH] ARM: dts: bcm2835-rpi: re-enable booting from SD card
Lucas Stach
l.stach at pengutronix.de
Wed Dec 6 07:17:55 PST 2017
Am Mittwoch, den 06.12.2017, 16:12 +0100 schrieb Roland Hieber:
> From: Roland Hieber <rohieb at rohieb.name>
>
> Kernel commit a19adf8d86e822eba502486524127595372c85f6 [0] changed
> the
> RPi1 device tree from &sdhci to &sdhost, which was imported in
> barebox
> commit d14b844b08635c717fb52a294ed8d6872e260315. It seems that
> barebox
> does not have a driver for brcm,bcm2835-sdhost (yet), which resulted
> in
> barebox unable to boot from SD card. However, the driver for
> brcm,bcm2835-sdhci worked fine in the past.
>
> Although the upstream change was made for good reasons, the simplest
> change for barebox for now is to revert to using &sdhci and disable
> &sdhost.
>
> Thanks to Alexander Dahl for raising this issue on the DistroKit
> mailing list!
>
> [0]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.g
> it/commit/?id=a19adf8d86e822eba502486524127595372c85f6
>
> Cc: Alexander Dahl <post at lespocky.de>
> Signed-off-by: Roland Hieber <rohieb at rohieb.name>
> ---
> arch/arm/dts/bcm2835-rpi.dts | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm/dts/bcm2835-rpi.dts b/arch/arm/dts/bcm2835-
> rpi.dts
> index 0095f58a3c..ab2d6dff64 100644
> --- a/arch/arm/dts/bcm2835-rpi.dts
> +++ b/arch/arm/dts/bcm2835-rpi.dts
> @@ -9,3 +9,10 @@
> reg = <0x0 0x0>;
> };
> };
Missing newline here. Other than that:
Reviewed-by: Lucas Stach <l.stach at pengutronix.de>
> +&sdhci {
> + status = "okay";
> +};
> +
> +&sdhost {
> + status = "disabled";
> +};
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