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    <title>i.MX ProcessorsのトピックRe: uboot usb initial failed on fastboot</title>
    <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198656#M166405</link>
    <description>&lt;P&gt;Hi&amp;nbsp;&lt;SPAN&gt;W&lt;/SPAN&gt;&lt;SPAN&gt;eidong&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;Following is my usb info form uboot, any useful information to you ?&amp;nbsp;&lt;/P&gt;&lt;P&gt;u-boot=&amp;gt; usb info&lt;BR /&gt;1: Hub, USB Revision 2.0&lt;BR /&gt;- u-boot EHCI Host Controller&lt;BR /&gt;- Class: Hub&lt;BR /&gt;- PacketSize: 64 Configurations: 1&lt;BR /&gt;- Vendor: 0x0000 Product 0x0000 Version 1.0&lt;BR /&gt;Configuration: 1&lt;BR /&gt;- Interfaces: 1 Self Powered 0mA&lt;BR /&gt;Interface: 0&lt;BR /&gt;- Alternate Setting 0, Endpoints: 1&lt;BR /&gt;- Class Hub&lt;BR /&gt;- Endpoint 1 In Interrupt MaxPacket 8 Interval 255ms&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Mon, 14 Dec 2020 07:14:36 GMT</pubDate>
    <dc:creator>Justin_Yeh</dc:creator>
    <dc:date>2020-12-14T07:14:36Z</dc:date>
    <item>
      <title>uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198510#M166390</link>
      <description>&lt;P&gt;Hi all&amp;nbsp;&lt;/P&gt;&lt;P&gt;We hit "No USB device found" at uuu downloading, it looks SPL initial USB success, but usb_gadget_initialize() got failure in&amp;nbsp;do_fastboot_usb(), please help, Thanks.&lt;/P&gt;&lt;P&gt;---------------------------------&lt;/P&gt;&lt;P&gt;U-Boot SPL 2020.04-5.4.47-2.2.0+geb4fb30 (Dec 10 2020 - 01:09:29 +0000)&lt;BR /&gt;power_bd71837_init&lt;BR /&gt;DDRINFO: start DRAM init&lt;BR /&gt;DDRINFO: DRAM rate 1600MTS&lt;BR /&gt;DDRINFO:ddrphy calibration done&lt;BR /&gt;DDRINFO: ddrmix config done&lt;BR /&gt;Normal Boot&lt;BR /&gt;Trying to boot from USB SDP&lt;BR /&gt;SDP: initialize...&lt;BR /&gt;SDP: handle requests...&lt;BR /&gt;Downloading file of size 3299584 to 0x40400000... done&lt;BR /&gt;Jumping to header at 0x40400000&lt;BR /&gt;Header Tag is not an IMX image&lt;BR /&gt;Found header at 0x404339a0&lt;BR /&gt;NOTICE: BL31: v2.2(release):rel_imx_5.4.47_2.2.0-0-gc949a88&lt;BR /&gt;NOTICE: BL31: Built : 02:08:35, Dec 10 2020&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;U-Boot 2020.04-5.4.47-2.2.0+geb4fb30 (Dec 10 2020 - 01:09:29 +0000)&lt;/P&gt;&lt;P&gt;CPU: i.MX8MMQ rev1.0 1800 MHz (running at 1200 MHz)&lt;BR /&gt;CPU: Commercial temperature grade (0C to 95C) at 36C&lt;BR /&gt;Reset cause: POR&lt;BR /&gt;Model: NXP i.MX8MM DDR3L Validation board&lt;BR /&gt;DRAM: 2 GiB&lt;BR /&gt;NAND: 0 MiB&lt;BR /&gt;MMC: FSL_SDHC: 1&lt;BR /&gt;Loading Environment from MMC... Card did not respond to voltage select!&lt;BR /&gt;*** Warning - No block device, using default environment&lt;/P&gt;&lt;P&gt;In: serial&lt;BR /&gt;Out: serial&lt;BR /&gt;Err: serial&lt;/P&gt;&lt;P&gt;BuildInfo:&lt;BR /&gt;- ATF c949a88&lt;BR /&gt;- U-Boot 2020.04-5.4.47-2.2.0+geb4fb30&lt;/P&gt;&lt;P&gt;Card did not respond to voltage select!&lt;BR /&gt;Detect USB boot. Will enter fastboot mode!&lt;BR /&gt;Net: Could not get PHY for FEC0: addr 3&lt;BR /&gt;Could not get PHY for FEC0: addr 3&lt;BR /&gt;No ethernet found.&lt;/P&gt;&lt;P&gt;Fastboot: Normal&lt;BR /&gt;Boot from USB for mfgtools&lt;BR /&gt;*** Warning - Use default environment for mfgtool s&lt;BR /&gt;, using default environment&lt;/P&gt;&lt;P&gt;Run bootcmd_mfg: run mfgtool_args;if iminfo ${initrd_addr}; then if test ${tee}&lt;BR /&gt;= yes; then bootm ${tee_addr} ${initrd_addr} ${fdt_addr}; else booti ${loadaddr} ${initrd_addr} ${fdt_addr}; fi; else echo "Run fastboot ..."; fastboot 0; fi;&lt;BR /&gt;Hit any key to stop autoboot: 0&lt;/P&gt;&lt;P&gt;## Checking Image at 43800000 ...&lt;BR /&gt;Unknown image format!&lt;BR /&gt;Run fastboot ...&lt;BR /&gt;No USB device found&lt;BR /&gt;USB init failed: -19&lt;BR /&gt;u-boot=&amp;gt;&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 04:12:24 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198510#M166390</guid>
      <dc:creator>Justin_Yeh</dc:creator>
      <dc:date>2020-12-14T04:12:24Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198545#M166394</link>
      <description>&lt;P&gt;Hi,&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp; if there is no PD chip for USB type-c, and only use USB OTG (or device) mode. modify dts in u-boot and kernel.&lt;/P&gt;
&lt;P&gt;---u-boot&lt;/P&gt;
&lt;P&gt;&amp;amp;usbotg1 {&lt;BR /&gt;status = "okay";&lt;BR /&gt;/*extcon = &amp;lt;&amp;amp;ptn5110&amp;gt;;*/&lt;BR /&gt;};&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;--Kernel.&lt;/P&gt;
&lt;P&gt;&amp;amp;usbotg1 {&lt;BR /&gt;dr_mode = "otg";&lt;BR /&gt;/* hnp-disable;&lt;BR /&gt;srp-disable;&lt;BR /&gt;adp-disable;&lt;BR /&gt;usb-role-switch;&lt;BR /&gt;*/&lt;BR /&gt;picophy,pre-emp-curr-control = &amp;lt;3&amp;gt;;&lt;BR /&gt;picophy,dc-vol-level-adjust = &amp;lt;7&amp;gt;;&lt;BR /&gt;status = "okay";&lt;BR /&gt;/*&lt;BR /&gt;port {&lt;BR /&gt;usb1_drd_sw: endpoint {&lt;BR /&gt;remote-endpoint = &amp;lt;&amp;amp;typec1_dr_sw&amp;gt;;&lt;BR /&gt;};&lt;BR /&gt;};&lt;BR /&gt;*/&lt;BR /&gt;};&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Try it, please!&lt;/P&gt;
&lt;P&gt;Have a nice day!&lt;/P&gt;
&lt;P&gt;B.R,&lt;/P&gt;
&lt;P&gt;Weidong&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 05:19:37 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198545#M166394</guid>
      <dc:creator>weidong_sun</dc:creator>
      <dc:date>2020-12-14T05:19:37Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198559#M166395</link>
      <description>&lt;P&gt;Hi&amp;nbsp;&lt;SPAN&gt;Weidong&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;For imx8mm-ddr3l-val.dts, default without&amp;nbsp;&lt;SPAN&gt;extcon = &amp;lt;&amp;amp;ptn5110&amp;gt;; Do you have any idea ? Thanks.&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;amp;usbotg1 {&lt;BR /&gt;dr_mode = "host";&lt;BR /&gt;status = "okay";&lt;BR /&gt;};&lt;/P&gt;&lt;P&gt;&amp;amp;usbotg2 {&lt;BR /&gt;dr_mode = "peripheral";&lt;BR /&gt;status = "okay";&lt;BR /&gt;};&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 05:40:02 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198559#M166395</guid>
      <dc:creator>Justin_Yeh</dc:creator>
      <dc:date>2020-12-14T05:40:02Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198587#M166396</link>
      <description>&lt;P&gt;On hardware:&lt;/P&gt;
&lt;P&gt;1. USB1---Host&lt;/P&gt;
&lt;P&gt;GPIO1_IO10(USB1_OTG_ID) should be pulled down to LOW via 2.2K/3.3K reisgtor. USB1_ID can be left floating.&lt;/P&gt;
&lt;P&gt;2. USB2: device mode&lt;/P&gt;
&lt;P&gt;GPIO1_IO11(USB2_OTG_ID) should be pulled up to High (via 4.7K resistor to 1.8V). USB2_ID can be left floating.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;For software ( in device tree)&lt;/P&gt;
&lt;P&gt;See last post, chage USB1 to USB2 node.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;have a&amp;nbsp; nice day!&lt;/P&gt;
&lt;P&gt;B.R,&lt;/P&gt;
&lt;P&gt;weidong&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 06:20:32 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198587#M166396</guid>
      <dc:creator>weidong_sun</dc:creator>
      <dc:date>2020-12-14T06:20:32Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198607#M166398</link>
      <description>&lt;P&gt;Hi&amp;nbsp;&lt;SPAN&gt;Weidong,&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;We are using imx8mm in our project.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;But we cannot find any USB driver has "compatible = "fsl,imx8mm-usb",".&amp;nbsp;&lt;/P&gt;&lt;P&gt;It seems the codebase lacks some USB driver source code files.&lt;/P&gt;&lt;P&gt;The uboot branch we used is "imx_v2020.04_5.4.47_2.2.0".&lt;/P&gt;&lt;P&gt;Could you help to check it?&lt;/P&gt;&lt;P&gt;Thanks.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 06:36:27 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198607#M166398</guid>
      <dc:creator>WoodyCheng</dc:creator>
      <dc:date>2020-12-14T06:36:27Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198608#M166399</link>
      <description>&lt;P&gt;if we'd want to set two usb ports are device mode,&amp;nbsp;&lt;/P&gt;&lt;P&gt;we should pull high&amp;nbsp;&lt;SPAN&gt;GPIO1_IO10 and&amp;nbsp;GPIO1_IO11 both, right ? Thanks.&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 06:37:19 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198608#M166399</guid>
      <dc:creator>Justin_Yeh</dc:creator>
      <dc:date>2020-12-14T06:37:19Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198615#M166400</link>
      <description>&lt;P&gt;Hi woody,&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; I sent my schematic to your personal email, for you reference.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp; The BSP I used is L5.4.24, which is valuable for you reference.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&amp;nbsp; check it, please!&lt;/P&gt;
&lt;P&gt;Have a nice day!&lt;/P&gt;
&lt;P&gt;B.R,&lt;/P&gt;
&lt;P&gt;Weidong&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 06:46:58 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198615#M166400</guid>
      <dc:creator>weidong_sun</dc:creator>
      <dc:date>2020-12-14T06:46:58Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198632#M166401</link>
      <description>&lt;P&gt;Hi&amp;nbsp;&lt;SPAN&gt;Weidong,&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Could you please help to check if we lack some USB driver source code files in our codebase?&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Thanks.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 06:59:42 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198632#M166401</guid>
      <dc:creator>WoodyCheng</dc:creator>
      <dc:date>2020-12-14T06:59:42Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198645#M166403</link>
      <description>&lt;P&gt;Hi W&lt;SPAN&gt;eidong&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;I try to pull high&amp;nbsp;&lt;SPAN&gt;GPIO1_IO10(USB1_OTG_ID), but USB still not found.&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;---------------------------------&lt;/P&gt;&lt;P&gt;## Checking Image at 43800000 ...&lt;BR /&gt;Unknown image format!&lt;BR /&gt;Run fastboot ...&lt;BR /&gt;No USB device found&lt;BR /&gt;USB init failed: -19&lt;/P&gt;&lt;P&gt;---------------------------------&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 07:07:46 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198645#M166403</guid>
      <dc:creator>Justin_Yeh</dc:creator>
      <dc:date>2020-12-14T07:07:46Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198656#M166405</link>
      <description>&lt;P&gt;Hi&amp;nbsp;&lt;SPAN&gt;W&lt;/SPAN&gt;&lt;SPAN&gt;eidong&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;Following is my usb info form uboot, any useful information to you ?&amp;nbsp;&lt;/P&gt;&lt;P&gt;u-boot=&amp;gt; usb info&lt;BR /&gt;1: Hub, USB Revision 2.0&lt;BR /&gt;- u-boot EHCI Host Controller&lt;BR /&gt;- Class: Hub&lt;BR /&gt;- PacketSize: 64 Configurations: 1&lt;BR /&gt;- Vendor: 0x0000 Product 0x0000 Version 1.0&lt;BR /&gt;Configuration: 1&lt;BR /&gt;- Interfaces: 1 Self Powered 0mA&lt;BR /&gt;Interface: 0&lt;BR /&gt;- Alternate Setting 0, Endpoints: 1&lt;BR /&gt;- Class Hub&lt;BR /&gt;- Endpoint 1 In Interrupt MaxPacket 8 Interval 255ms&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 07:14:36 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198656#M166405</guid>
      <dc:creator>Justin_Yeh</dc:creator>
      <dc:date>2020-12-14T07:14:36Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198657#M166406</link>
      <description>&lt;P&gt;your USB1 is Host. AND USB2 is device, so you should use USB2 to download image.&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 07:14:58 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198657#M166406</guid>
      <dc:creator>weidong_sun</dc:creator>
      <dc:date>2020-12-14T07:14:58Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198677#M166407</link>
      <description>&lt;P&gt;Hi Weidong&lt;/P&gt;&lt;P&gt;The usb1 for downloading,&amp;nbsp;I changed&amp;nbsp;imx8mm-ddr3l-val.dts, but still got failed.&amp;nbsp;&lt;/P&gt;&lt;P&gt;diff --git a/workdir/uboot-imx/arch/arm/dts/imx8mm-ddr3l-val.dts b/workdir/uboot-imx/arch/arm/dts/imx8mm-ddr3l-val.dts&lt;BR /&gt;index 2496513..a90bdc3 100644&lt;BR /&gt;--- a/workdir/uboot-imx/arch/arm/dts/imx8mm-ddr3l-val.dts&lt;BR /&gt;+++ b/workdir/uboot-imx/arch/arm/dts/imx8mm-ddr3l-val.dts&lt;BR /&gt;@@ -360,12 +360,12 @@&lt;BR /&gt;};&lt;/P&gt;&lt;P&gt;&amp;amp;usbotg1 {&lt;BR /&gt;- dr_mode = "host";&lt;BR /&gt;+ dr_mode = "peripheral";&lt;BR /&gt;status = "okay";&lt;BR /&gt;};&lt;/P&gt;&lt;P&gt;&amp;amp;usbotg2 {&lt;BR /&gt;- dr_mode = "peripheral";&lt;BR /&gt;+ dr_mode = "host";&lt;BR /&gt;status = "okay";&lt;BR /&gt;};&lt;/P&gt;&lt;P&gt;---------------------------------------------&lt;/P&gt;&lt;P&gt;## Checking Image at 43800000 ...&lt;BR /&gt;Unknown image format!&lt;BR /&gt;Run fastboot ...&lt;BR /&gt;No USB device found&lt;BR /&gt;USB init failed: -19&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 07:33:31 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198677#M166407</guid>
      <dc:creator>Justin_Yeh</dc:creator>
      <dc:date>2020-12-14T07:33:31Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198687#M166408</link>
      <description>&lt;P&gt;Hi,&lt;/P&gt;
&lt;P&gt;&lt;SPAN class="VIiyi"&gt;&lt;SPAN class="JLqJ4b ChMk0b" data-language-for-alternatives="en" data-language-to-translate-into="zh-CN" data-phrase-index="0"&gt;&lt;SPAN&gt;Have you seen my previous post?&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;-u-boot : imx8mm-evk.dts&lt;/P&gt;
&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="weidong_sun_0-1607931221990.png" style="width: 400px;"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/132559iE8C9C1F51A0ED137/image-size/medium?v=v2&amp;amp;px=400" role="button" title="weidong_sun_0-1607931221990.png" alt="weidong_sun_0-1607931221990.png" /&gt;&lt;/span&gt;&lt;/P&gt;
&lt;P&gt;-kernel : imx8mm-evk.dts&lt;/P&gt;
&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="weidong_sun_1-1607931393484.png" style="width: 400px;"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/132560iC6CFF30C5EFC3CBA/image-size/medium?v=v2&amp;amp;px=400" role="button" title="weidong_sun_1-1607931393484.png" alt="weidong_sun_1-1607931393484.png" /&gt;&lt;/span&gt;&lt;/P&gt;
&lt;P&gt;weidong&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 07:42:57 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198687#M166408</guid>
      <dc:creator>weidong_sun</dc:creator>
      <dc:date>2020-12-14T07:42:57Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198697#M166409</link>
      <description>&lt;P&gt;Hi Weidong&lt;/P&gt;&lt;P&gt;Due to our MACHINE=imx8mmddr3lval, so I modify the&amp;nbsp;&lt;SPAN&gt;imx8mm-ddr3l-val.dts.&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 07:50:26 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198697#M166409</guid>
      <dc:creator>Justin_Yeh</dc:creator>
      <dc:date>2020-12-14T07:50:26Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198700#M166410</link>
      <description>&lt;P&gt;yes, right.&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 07:51:48 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198700#M166410</guid>
      <dc:creator>weidong_sun</dc:creator>
      <dc:date>2020-12-14T07:51:48Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198702#M166411</link>
      <description>&lt;P&gt;Do you mean&amp;nbsp;&lt;SPAN&gt;dr_mode is not necessary ?&amp;nbsp;&lt;/SPAN&gt;&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 07:55:36 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198702#M166411</guid>
      <dc:creator>Justin_Yeh</dc:creator>
      <dc:date>2020-12-14T07:55:36Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198704#M166412</link>
      <description>&lt;P&gt;I designed a board based on i.mx8mm, and the code I gave is what I used. it is no problem.&lt;/P&gt;
&lt;P&gt;I have sent my schematic of usb to woody, &lt;a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/181199"&gt;@WoodyCheng&lt;/a&gt; , did you recieve it? if yes, send it to justin, please!&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;B.R,&lt;/P&gt;
&lt;P&gt;Weidong&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 07:58:28 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198704#M166412</guid>
      <dc:creator>weidong_sun</dc:creator>
      <dc:date>2020-12-14T07:58:28Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198712#M166414</link>
      <description>&lt;P&gt;I pulled high the GPIO1_IO10 and modify the dts. usb still not found...&lt;/P&gt;&lt;P&gt;------------------------------------------------------&lt;/P&gt;&lt;P&gt;diff --git a/workdir/uboot-imx/arch/arm/dts/imx8mm-ddr3l-val.dts b/workdir/uboot-imx/arch/arm/dts/imx8mm-ddr3l-val.dts&lt;BR /&gt;index 2496513..db9480a 100644&lt;BR /&gt;--- a/workdir/uboot-imx/arch/arm/dts/imx8mm-ddr3l-val.dts&lt;BR /&gt;+++ b/workdir/uboot-imx/arch/arm/dts/imx8mm-ddr3l-val.dts&lt;BR /&gt;@@ -4,7 +4,6 @@&lt;BR /&gt;*/&lt;/P&gt;&lt;P&gt;/dts-v1/;&lt;BR /&gt;-&lt;BR /&gt;#include "imx8mm.dtsi"&lt;/P&gt;&lt;P&gt;/ {&lt;BR /&gt;@@ -360,12 +359,12 @@&lt;BR /&gt;};&lt;/P&gt;&lt;P&gt;&amp;amp;usbotg1 {&lt;BR /&gt;- dr_mode = "host";&lt;BR /&gt;+ /*dr_mode = "peripheral";*/&lt;BR /&gt;status = "okay";&lt;BR /&gt;};&lt;/P&gt;&lt;P&gt;&amp;amp;usbotg2 {&lt;BR /&gt;- dr_mode = "peripheral";&lt;BR /&gt;+ /*dr_mode = "host";*/&lt;BR /&gt;status = "okay";&lt;BR /&gt;};&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 08:09:16 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198712#M166414</guid>
      <dc:creator>Justin_Yeh</dc:creator>
      <dc:date>2020-12-14T08:09:16Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198758#M166416</link>
      <description>&lt;P&gt;yes , pull USBx_OTG_ID up to High, please!&lt;/P&gt;</description>
      <pubDate>Mon, 14 Dec 2020 08:52:28 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1198758#M166416</guid>
      <dc:creator>weidong_sun</dc:creator>
      <dc:date>2020-12-14T08:52:28Z</dc:date>
    </item>
    <item>
      <title>Re: uboot usb initial failed on fastboot</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1698259#M210181</link>
      <description>&lt;P&gt;iam also getting the same issue when i use fastboot on my board can i get any help ?&lt;/P&gt;&lt;P&gt;board: phyboard pollux&lt;/P&gt;&lt;P&gt;soc: imx8mp&amp;nbsp;&lt;/P&gt;&lt;P&gt;whenever i use fastboot command in uboot shell it gives error USB init failed NO usb device found&lt;/P&gt;&lt;P&gt;any help would be apprreciated.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/26366"&gt;@weidong_sun&lt;/a&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Venu&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Thu, 03 Aug 2023 05:01:09 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/uboot-usb-initial-failed-on-fastboot/m-p/1698259#M210181</guid>
      <dc:creator>venu_mos</dc:creator>
      <dc:date>2023-08-03T05:01:09Z</dc:date>
    </item>
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