1 The following instructions will help you to flash partition table and 2 prebuilt bootloader onto Poplar board. 3 4 * Find a USB disk formated with FAT file system, copy fastboot.bin and 5 recovery_files/ folder onto the disk. 6 7 * Attach the USB disk to USB port J2 (next to IR receiver), and power on 8 Poplar board with button S3 (USB_BOOT) pressed until following 9 messages are seen on serial output. 10 11 Entry usb bootstrap 12 13 Usb disk(1): 14 Decrypt auxiliary code ...OK 15 16 * Hit any key to stop U-Boot autoboot and get into the prompt. 17 18 * Run U-Boot commands below to install partition table and bootloader. 19 20 poplar# usb reset 21 poplar# fatload usb 0:1 ${scriptaddr} recovery_files/install.scr 22 poplar# source ${scriptaddr} 23 24 These instructions are only necessary for initial bootloader 25 installation or board unbricking. Once the initial installation is 26 completed, you can update bootloader with fastboot support as below. 27 28 * Connect Poplar (USB port J2) to PC with a Male-to-Male USB cable. 29 30 * Power on Poplar, get into U-Boot prompt and run command below. 31 32 poplar# fastboot 0 33 34 * On PC side, run command below to update the bootloader. 35 36 $ fastboot flash mmcsda1 loader.bin 37 38 To install the AOSP images, use fastboot commands as below. 39 40 $ fastboot flash mmcsda2 boot.img 41 $ fastboot flash mmcsda3 system.img 42 $ fastboot flash mmcsda5 vendor.img 43 $ fastboot flash mmcsda6 cache.img 44 $ fastboot flash mmcsda7 userdata.img 45
