Re: [PATCH v1 0/3] use XHCI to replace EHCI

["Ard Biesheuvel" <ardb@kernel.org>]

On Mon, 5 Jun 2023 at 14:48, Yuquan Wang <wangyuquan1236@phytium.com.cn> wrote:
>
> This patchset implements XHCI on sbsa-ref board to replace EHCI.
> As sbsa-ref does not have DRAM below 4G, it cannot utilize EHCI
> that only has 32-bit DMA capablity. Now this board has XHCI as
> an available usb controller with 64-bit DMA capablity.
>
> This version(v1) has removed Change-Id from patch files and
> fixed formatting issues.
>
> Yuquan Wang (3):
>   Platform/Qemu/SbsaQemu/SbsaQemu.dsc: define XHCI Pcd settings
>   SbsaQemu: Drivers: Add initial support for XHCI
>   SbsaQemu: AcpiTables: Add XHCI info into DSDT
>

Do all sbsa-ref implementation expose this device? If not, shouldn't
this be discovered dynamically?


>  Platform/Qemu/SbsaQemu/SbsaQemu.dsc           |   6 +-
>  .../Qemu/SbsaQemu/AcpiTables/AcpiTables.inf   |   4 +-
>  Silicon/Qemu/SbsaQemu/AcpiTables/Dsdt.asl     | 125 ++----------------
>  .../SbsaQemuPlatformDxe/SbsaQemuPlatformDxe.c |  40 ++++--
>  .../SbsaQemuPlatformDxe.inf                   |   2 +
>  Silicon/Qemu/SbsaQemu/SbsaQemu.dec            |   4 +-
>  6 files changed, 53 insertions(+), 128 deletions(-)
>
> --
> 2.34.1
>
>