[U-Boot] 答复: [PATCH 0/4] Make some changes to SDP

Peng Fan
2019-08-02T01:01:39Z

Angus,

> Subject: Re: 答复: [U-Boot] [PATCH 0/4] Make some changes to SDP
>
> Hi Sherry,
>
> On 2019-07-31 19:56, Sherry Sun wrote:
> > Hi Angus
> >
> >>
> >> Hi Sherry,
> >>
> >> On 2019-07-17 18:40, sherry sun wrote:
> >> > From: Sherry Sun <sherry.sun@nxp.com>
> >> >
> >> > This patchset adds:
> >> > 1. Add usb_gadget_initialize() and usb_gadget_release() to
> >> > initialize and release UDC during sdp download.
> >> > 2. Add high speed endpoint descriptor for sdp.
> >> > 3. Add a macro definition--CONFIG_SDP_LOADADDR as default sdp load
> >> > address while SDP_WRITE and SDP_JUMP command addr is zero.
> >> >
> >> > Sherry Sun (4):
> >> > imx: spl: Change USB boot device type
> >> > SDP: use CONFIG_SDP_LOADADDR as default load address
> >> > SDP: fix wrong usb request size and add high speed endpoint
> >> > descriptor
> >> > SDP: Call usb_gadget_initialize and usb_gadget_release to support
> >> > UDC
> >>
> >> These changes look like like they target SDP on imx8. For imx8mq is
> >> this all that is required to get SDP working with uuu or are there
> >> additional changes required ?
> >>
> >
> > The changes in patch 1/4 are target on both imx8 and imx8m.
> > The rest three patches are target on all boards which used SDP.
> > So for imx8mq, if your usb gadget driver is ready ,these changes are
> > enough to get SDP working with UUU.
> >
>
> I'm trying to use SDP on the imx8mq-evk but it doesn't look like it's enabled
> there. Do you have patches to enable SDP on the imx8mq-evk , even if they
> aren't ready to go upstream ?

You could try downstream code,
https://source.codeaurora.org/external/imx/uboot-imx/
branch: imx_v2019.04_4.19.35_1.0.0

Regards,
Peng.

>
> Thanks
> Angus
>
> > Best regards
> > Sherry sun
> >
> >> Thanks
> >> Angus
> >>
> >> >
> >> > arch/arm/mach-imx/spl.c | 2 +-
> >> > common/spl/spl_sdp.c | 4 ++++
> >> > drivers/usb/gadget/Kconfig | 4 ++++ drivers/usb/gadget/f_sdp.c |
> >> > 39
> >> > +++++++++++++++++++++++++++++++++-----
> >> > 4 files changed, 43 insertions(+), 6 deletions(-)