Fastboot is a versatile protocol designed for re-flashing partitions, including x-boot, u-boot, uImage, rootfs, and etc., of eMMC device on SP7350 devices. This guide will walk you through the process of utilizing Minimal ADB and Fastboot, a handy Windows application, to harness the power of fastboot.
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Fastboot over USB
Boot SP7350 platform from eMMC device
To initiate To use the fastboot process on SP7350 platform over USB interface, follow these steps after successfully booting from the eMMC device and enter command-line interface of U-Boot. Establish , please follow the following steps.
Activate the USB download gadget
To establish a connection between your SP7350 platform and a Windows computer using either a USB 2.0 cable (micro USB) or a USB 3.0 cable (type C) to configure it as a USB download gadget.for USB downloads, please use the following command in the U-Boot command-line interface to activate the USB download gadget:
If either the USB 2.0 or USB 3.0 download gadget driver is enabled, use the following command to activate the USB download gadget:
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Following the execution of the command in U-Boot and connecting the SP7350 to the Windows computer, you may observe that in the Device Manager, the USB is categorized under "Other devices" as "USB download gadget" in Windows. To update the driver, follow these steps:
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After the update, you will see Android Device->Android ADB Interface in Device manager.
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Install Minimal ADB and Fastboot on Windows computer
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Upon execution, the system will process the update, indicating the maximum download size and confirming the successful transfer and writing of the u-boot image to the 'uboot2' partition. This process is analogous when updating the kernel or rootfs.
Fastboot over Ethernet
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Enabling Fastboot over UDP Ethernet provides an alternative and efficient means of updating system images. Follow the steps below to activate UDP support and perform image updates using U-Boot and Minimal ADB and Fastboot on a Windows computer.To use the fastboot over Ethernet interface, please follow the following steps.
Enable UDP support
To use fastboot over Ethernet, please enable “Enable fastboot protocol over UDP” of U-Boot. Follow the steps below to activate it:
Navigate to the Device Drivers > Fastboot support under menuconfig of U-Boot menuconfig.
Select "Enable fastboot protocol over UDP" as shown below:
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