topic IMX6QP serial download bootmode problem in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/IMX6QP-serial-download-bootmode-problem/m-p/747223#M116223 <HTML><HEAD></HEAD><BODY><P>I made a board based on sabre sd. when use mfgtools to boot from serial download mode, i find it's difficult to boot sucess, almost 1 times&nbsp;&nbsp;a day.there is no freescale USB HID device appear in xp device management &nbsp;when failed to boot. And i have passed DDR STRESS Test and generate a uboot. I have burn uboot zImage and rootfs to eMMc and boot success from &nbsp;Internal rom mode.</P><P>问下IMX6QP usb serial download mode 失败的原因，原来下载过镜像 但是是通过引导到uboot 然后手动烧着到eMMc 现在要把mfgtool完整脚本完成，电脑上没有检测到USB设备，前两天也就检测到了一两次</P></BODY></HTML> Wed, 29 Nov 2017 02:07:23 GMT longyun 2017-11-29T02:07:23Z IMX6QP serial download bootmode problem https://community.nxp.com/t5/i-MX-Processors/IMX6QP-serial-download-bootmode-problem/m-p/747223#M116223 <HTML><HEAD></HEAD><BODY><P>I made a board based on sabre sd. when use mfgtools to boot from serial download mode, i find it's difficult to boot sucess, almost 1 times&nbsp;&nbsp;a day.there is no freescale USB HID device appear in xp device management &nbsp;when failed to boot. And i have passed DDR STRESS Test and generate a uboot. I have burn uboot zImage and rootfs to eMMc and boot success from &nbsp;Internal rom mode.</P><P>问下IMX6QP usb serial download mode 失败的原因，原来下载过镜像 但是是通过引导到uboot 然后手动烧着到eMMc 现在要把mfgtool完整脚本完成，电脑上没有检测到USB设备，前两天也就检测到了一两次</P></BODY></HTML> Wed, 29 Nov 2017 02:07:23 GMT https://community.nxp.com/t5/i-MX-Processors/IMX6QP-serial-download-bootmode-problem/m-p/747223#M116223 longyun 2017-11-29T02:07:23Z Re: IMX6QP serial download bootmode problem https://community.nxp.com/t5/i-MX-Processors/IMX6QP-serial-download-bootmode-problem/m-p/747224#M116224 <HTML><HEAD></HEAD><BODY><P>It maybe caused by your hardware design, here you can create a Support Requests send your schematic to our in our website </P><P><A class="link-titled" href="https://www.nxp.com/support/support:SUPPORTHOME?tid=sbmenu" title="https://www.nxp.com/support/support:SUPPORTHOME?tid=sbmenu">Support|NXP.&nbsp;</A></P></BODY></HTML> Mon, 25 Dec 2017 09:08:11 GMT https://community.nxp.com/t5/i-MX-Processors/IMX6QP-serial-download-bootmode-problem/m-p/747224#M116224 Rita_Wang 2017-12-25T09:08:11Z