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

[Frank Li]

> -----Original Message-----
> From: Peng Fan
> Sent: Thursday, April 25, 2019 8:52 AM
> To: Fabio Estevam <festevam at gmail.com>
> Cc: Abel Vesa <abel.vesa at nxp.com>; Stefano Babic <sbabic at denx.de>;
> Lukasz Majewski <lukma at denx.de>; Michael Trimarchi
> <michael at amarulasolutions.com>; dl-uboot-imx <uboot-imx at nxp.com>;
> Jagan Teki <jagan at amarulasolutions.com>; Marcel Ziswiler
> <marcel.ziswiler at toradex.com>; U-Boot-Denx <u-boot at lists.denx.de>;
> Adam Ford <aford173 at gmail.com>; Ye Li <ye.li at nxp.com>; Otavio Salvador
> <otavio at ossystems.com.br>; Breno Matheus Lima <breno.lima at nxp.com>;
> Frank Li <frank.li at nxp.com>
> Subject: RE: Booting MX6 via Serial Download after DM conversion
> 
> 
> > 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?

[Frank Li] If follow up i.MX8MM method, uuu needn't change. 

> 
> 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.