I will deal with it as soon as possible.
---- Replied Message ----
| From | Marcin Juszkiewicz<marcin.juszkiew...@linaro.org> |
| Date | 06/05/2023 17:59 |
| To | Yuquan Wang<wangyuquan1...@phytium.com.cn>, r...@semihalf.com<r...@semihalf.com>, peter.mayd...@linaro.org<peter.mayd...@linaro.org> |
| Cc | quic_llind...@quicinc.com<quic_llind...@quicinc.com>, chenba...@phytium.com.cn<chenba...@phytium.com.cn>, qemu-...@nongnu.org<qemu-...@nongnu.org>, qemu-devel@nongnu.org<qemu-devel@nongnu.org> |
| Subject | Re: [PATCH v3 1/1] hw/arm/sbsa-ref: use XHCI to replace EHCI |
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<wangyuquan1...@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.
> 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<wangyuquan1...@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.
