Hi, thank you for your information. On our website you can find email addresses of companies and people. https://www.skymem.info In short, it’s like Google for emails. Best regards, Robert, Skymem team On Tue, Sep 27, 2022 at 7:45 PM Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> wrote: > > Hello Hans, > > On 17.09.22 13:04, Hans Christian Lønstad wrote: > > This is observed using straight out of the box v2022.09.0 on NXP IMX8MP Eval kit: > > > > --------- > > > > $ sudo ../drimx8/scripts/imx/imx-usb-loader ../drimx8/images/barebox-nxp-imx8mp-evk.img > > [sudo] password for hcl: > > found i.MX8MP USB device [1fc9:0146] > > 4 in err=-9, last_trans=0 00 00 00 00 > > status failed > > I just tested and have the same issue on i.MX8M Nano, which uses > the same new SDPS protocol. I've just sent out a potential fix. > > > ———— > > > > Stripping off the header gap (32K) allows the binary to load using the standard NXP uuu (Ubuntu 22.04) utility,. > > > > This further raises the question: Why have a header gap at all? > > > > The makes sense for SD card loading, but not for eMMC boot partitions where ROM expects code to start at 0. > > The realization that the eMMC boot partition usually lacks an on-disk partition > table came quite late to the NXP BootROM authors. On i.MX8M Mini, we still have > an offset for both SD-Card and eMMC boot partition. > > > Maybe better just use a seek to put the code at the relevant position on the SD card? > > imx-usb-loader does the correct thing and skips to the relevant position. > barebox_update should do the correct thing and skip over the header. > > > For instance, I am using the Rauc boot loader slot update mechanism expecting no gap thus requiring me to shave of 32k > > prior to shipping. > > This is unfortunate, but I don't think this is something we should address at the > barebox side. barebox images for i.MX are always meant to be directly written > to an SD-Card at offset 0. > > For RAUC integration, you may consider having your build system shave off the > bytes transparently. See for example: > > https://github.com/rauc/meta-rauc/commit/8e049699f05483b694e6c5a3e260cd9e0fe58d2e > > which does the inverse operation: pad U-Boot for older i.MX, so they are install-able > into an eMMC boot partition. > > Cheers, > Ahmad > > > > > Comments?? > > > > Hans Christian > > > > > -- > Pengutronix e.K. | | > Steuerwalder Str. 21 | http://www.pengutronix.de/ | > 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | > Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | >
