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Re: [PATCH v3 1/1] hw/arm/sbsa-ref: use XHCI to replace EHCI


From: Yuquan Wang
Subject: Re: [PATCH v3 1/1] hw/arm/sbsa-ref: use XHCI to replace EHCI
Date: Mon, 5 Jun 2023 20:13:46 +0800 (GMT+08:00)

Hi, Marcin

On Mon, 5 Jun 2023 11:59:16 +0200, Marcin Juszkiewicz wrote:

> 
> W dniu 5.06.2023 o 11:55, Yuquan Wang pisze:
> > The current sbsa-ref cannot use EHCI controller which is only
> > able to do 32-bit DMA, since sbsa-ref doesn't have RAM below 4GB.
> > Hence, this uses XHCI to provide a usb controller with 64-bit
> > DMA capablity instead of EHCI.
> > 
> > Signed-off-by: Yuquan Wang<wangyuquan1236@phytium.com.cn>
> 
> Can you share firmware side so it can be tested?
> 
> The more I deal with EDK2 the more I understand why people go U-Boot.

I figured out the stuck problem of the relevant firmware patch in edk2 
mail list. 

Below is the patchset link:
https://edk2.groups.io/g/devel/message/105713

Thanks
Yuquan

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