No Description

MichaelZhuxx 0747c0510e Add recovery bin for JH7110 Devkits board 6 months ago
recovery 0747c0510e Add recovery bin for JH7110 Devkits board 6 months ago
spl_tool 8c5acc4e5e spl_tool: Increase spl buffer size 1 year ago
uboot_its fc2023c676 move visionfive2-uboot-fit-image.its into uboot_its folder 1 year ago 6067c32c4c README: fix grammar (#5) 10 months ago



How to create u-boot-spl.bin.normal.out

Please refer to the under spl_tool directory


How to create visionfive2_fw_payload.img





For example:

{U-BOOT_PATH}/tools/mkimage -f visionfive2-uboot-fit-image.its -A riscv -O u-boot -T firmware visionfive2_fw_payload.img


How to recover bootloader

The SPL and U-Boot are stored inside the SPI flash on board. There may be situations where you accidentally emptied the flash or if the flash is damaged on your board. In these situations, it’s better to recover the bootloader.

Before you recover the bootloader, please double check the boot mode jumpers(Switch_2) on your board has already been switched to UART mode(GPIO_1,GPIO_0: 1,1);

  1. Configure the serial port settings: 115200bps;

  2. Power up, you will see an output like this:

  3. Please transfer the recovery binary jh7110-recovery-20221205.bin by xmode and you will see recovery menu automaticlly;

    JH7110 secondboot version: 221205-74596a9
    CPU freq: 1250MHz
    idcode: 0x1860C8
    ddr 0x00000000, 4M test
    ddr 0x00400000, 8M test
    DDR clk 2133M, size 8GB
    ****************** JH7110 program tool ******************
    0: update 2ndboot/SPL in flash
    1: update 2ndboot/SPL in emmc
    2: update fw_verif/uboot in flash
    3: update fw_verif/uboot in emmc
    4: update otp, caution!!!!
    5: exit
    NOTE: current xmodem receive buff = 0x40000000, 'load 0x********' to change.
    select the function to test:
  4. Type 0 and press Enter to udpate SPL binary u-boot-spl.bin.normal.out;

  5. Type 2 and press Enter to update U-Boot binary visionfive2_fw_payload.img;

  6. Power off and switch back to Flash mode(GPIO_1,GPIO_0: 0,0);