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

Angus Ainslie
2019-08-02T02:30:08Z

Hi Peng,

On 2019-08-01 18:01, Peng Fan wrote:
> 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
>

I already have SDP working with the vendor u-boot. I'm trying to switch
to mainline u-boot so I'm looking for mainline patches.

Thanks
Angus

> 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(-)