linux:ubuntu22.10
h616测试uboot时出现超时提示

c@cc:~/桌面/h616/u-boot$ sudo sunxi-fel uboot u-boot-sunxi-with-spl.bin
usb_bulk_send() ERROR -7: Operation timed out
c@cc:~/桌面/h616/u-boot$ sudo sunxi-fel --list --verbose 
[sudo] c 的密码： 
USB device 002:013   Allwinner H616    32c05000:3c004808:0147054c:20721f8e
c@cc:~/桌面/h616/u-boot$ sudo sunxi-fel ver
AWUSBFEX soc=00001823(H616) 00000001 ver=0001 44 08 scratchpad=00007e00 00000000 00000000

（用的柚木pi（是自己焊的） 折腾了3周卡这里4天了）（小白死亡）
有大佬会弄吗

make u-boot的时候报错了
aarch64-linux-gnu-ld.bfd: board/sunxi/board.o: in function sunxi_board_init': /home/c/桌面/h616/u-boot/board/sunxi/board.c:612: undefined reference to axp_set_dcdc4'
make[1]: *** [scripts/Makefile.spl:527：spl/u-boot-spl] 错误 1
make: *** [Makefile:2043：spl/u-boot-spl] 错误 2

大神咋整勒