各位好,将修改后的U-boot通过SD卡烧入自制3354板后,串口显示如下信息,请问这如何解决
U-Boot SPL 2019.01-gc14892445a-dirty (Nov 13 2020 - 10:04:39 +0800)
Trying to boot from MMC1
U-Boot 2019.01-gc14892445a-dirty (Nov 13 2020 - 10:04:39 +0800)
CPU : AM335X-GP rev 2.1
Model: TI AM335x EVM
DRAM: 512 MiB
NAND: 1024 MiB
MMC: OMAP SD/MMC: 0
Loading Environment from FAT... *** Warning - bad CRC, using default environment
<ethaddr> not set. Validating first E-fuse MAC
Net: eth0: ethernet@4a100000
Warning: usb_ether MAC addresses don't match:
Address in ROM is de:ad:be:ef:00:01
Address in environment is 0c:b2:b7:9d:8f:c8
, eth1: usb_ether
Hit any key to stop autoboot: 0
WARNING: Could not determine device tree to use
switch to partitions #0, OK
mmc0 is current device
SD/MMC found on device 0
** Unable to read file boot.scr **
** Unable to read file uEnv.txt **
switch to partitions #0, OK
mmc0 is current device
Scanning mmc 0:1...
switch to partitions #0, OK
mmc0 is current device
SD/MMC found on device 0
** Invalid partition 2 **
** Invalid partition 2 **
MMC Device 1 not found
no mmc device at slot 1
MMC Device 1 not found
no mmc device at slot 1
SD/MMC found on device 1
## Error: "bootcmd_nand0" not defined
starting USB...
USB0: Port not available.
ethernet@4a100000 Waiting for PHY auto negotiation to complete......... TIMEOUT !
using musb-hdrc, OUT ep1out IN ep1in STATUS ep2in
MAC de:ad:be:ef:00:01
HOST MAC de:ad:be:ef:00:00
RNDIS ready