[U-Boot] Booting MX6 via Serial Download after DM conversion

[Peng Fan]

> Subject: Re: Booting MX6 via Serial Download after DM conversion
> 
> Hi Peng,
> 
> On Thu, Apr 25, 2019 at 4:17 AM Peng Fan <peng.fan at nxp.com> wrote:
> 
> > After check, it is not U-Boot issue, it is imx_usb should update to support
> new u-boot-dtb.img.
> >
> > With your patch, file u-boot-dtb.img
> > u-boot-dtb.img: u-boot legacy uImage, U-Boot
> > 2019.04-00664-gdbe9a81ff0\270, Firmware/ARM, Firmware Image (Not
> compressed), 490914 bytes, Thu Apr 25 07:26:46 2019, Load Address:
> > 0x17800000, Entry Point: 0x00000000, Header CRC: 0xCBE07038, Data
> CRC:
> > 0x2C710405
> >
> > without your patch, file u-boot-dtb.img
> > u-boot-dtb.img: Device Tree Blob version 17, size=1399, boot CPU=0,
> > string block size=139, DT structure block size=1204
> >
> > Actually now u-boot-dtb.img is a FIT image with a device tree wrapper.
> > So need fix imx_usb to support both legacy and new image format.
> 
> This issue also affects the UUU tool as well.
> 
> Is there a fix for UUU?

NXP software not enable SPL for this board, so I think UUU might not
support it. But UUU support SPL + FIT for i.MX8MM, uuu might work
for this board. I do not have time to check uuu side recently.
Let me check whether others have time on this.

Regards,
Peng.