[PATCH v3 6/7] arm: juno: enable USB

Simon Glass sjg at chromium.org
Tue Apr 28 19:57:31 CEST 2020


On Mon, 27 Apr 2020 at 12:19, Andre Przywara <andre.przywara at arm.com> wrote:
>
> The Juno board features a standard compliant EHCI/OHCI USB host
> controller pair, which we can just enable.
> The platform data is taken from the device tree.
>
> This allows to use USB mass storage (the only storage on a Juno r0)
> for loading.
>
> At least on my board USB seems a bit flaky, I need two "usb reset"
> sequences after the "usb start" to detect an USB hard drive.
>
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
> Acked-by: Liviu Dudau <liviu.dudau at arm.com>
> Reviewed-by: Linus Walleij <linus.walleij at linaro.org>
> ---
>  arch/arm/Kconfig                       | 4 ++++
>  configs/vexpress_aemv8a_juno_defconfig | 5 +++++
>  include/configs/vexpress_aemv8a.h      | 5 +++++
>  3 files changed, 14 insertions(+)

Reviewed-by: Simon Glass <sjg at chromium.org>

> +#define CONFIG_USB_OHCI_NEW
> +#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1

Would be good to moveconfig these.


- Simon


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