Photonicat Modem 配置USB3.0

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2022年12月17日及以后版本，默认modem 连接采用USB2.0 模式。

如果需要配置成USB3.0 可以通过dd命令把boot 分区修改，重启，已完成修改。

通过openWRT命令行

cd /tmp dd if=/dev/mmcblk0p3 of=/root/backup-boot-modem-usb20.img bs=1M #备份p3分区 wget https://dl.photonicat.com/images/rk3568-photonicat-openwrt-boot-modem-usb30-202212171614.img.gz #日期需要对应image 日期。如20221217 image，需要boot-modem-usb30-20221217 zcat rk3568-photonicat-openwrt-boot-modem-usb30-202212171614.img.gz | dd of=/dev/mmcblk0p3 bs=1M

重启路由器，搞定。

kernel 6.1.40 2023-07固件开通USB3.0

cd /mnt/mmcblk0p1
wget http://dl.photonicat.com/misc/rk3568-photonicat-usb30.dtb
cp rockchip.dtb rockchip.dtb.bak
cp rk3568-photonicat-usb30.dtb rockchip.dtb
reboot

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