Raspberry Pi 4b has problems running linux+freeRTOS?

[wusnga8dn]

After I completed the deployment of bao on the Raspberry Pi 4b, the serial port printed the following information. What is the reason? How can I solve it?
U-Boot 2022.10 (Apr 12 2023 - 01:55:48 -0700)

DRAM: 7.9 GiB
RPI 4 Model B (0xd03114)
Core: 202 devices, 16 uclasses, devicetree: board
MMC: mmcnr@7e300000: 1, emmc2@7e340000: 0
Loading Environment from FAT... Unable to read "uboot.env" from mmc0:1...
In: serial
Out: serial
Err: serial
Net: eth0: ethernet@7d580000
PCIe BRCM: link up, 5.0 Gbps x1 (SSC)
starting usb...
Bus xhci_pci: Register 5000420 NbrPorts 5
Starting the controller
USB XHCI 1.00
scanning bus xhci_pci for devices... 2 USB Device(s) found
scanning usb for storage devices... 0 Storage Device(s) found
Hit any key to stop autoboot: 0
switch to partitions #0, OK
mmc0 is the current device
Scanning mmc 0:1...
Card did not respond to voltage select! : -110
No EFI system partition
BootOrder not defined
EFI boot manager: Cannot load any image
Card did not respond to voltage select! : -110
MMC Device 2 not found
no mmc device at slot 2

Device 0: unknown device
ethernet@7d580000 Waiting for PHY auto negotiation to complete... TIMEOUT!
bcmgenet: PHY startup failed: -110
missing environment variable: pxeuuid
Retrieving file: pxelinux.cfg/01-e4-5f-01-40-9c-76
ethernet@7d580000 Waiting for PHY auto negotiation to complete... TIMEOUT!
bcmgenet: PHY startup failed: -110
Retrieving file: pxelinux.cfg/00000000
ethernet@7d580000 Waiting for PHY auto negotiation to complete... TIMEOUT!
bcmgenet: PHY startup failed: -110
Retrieving file: pxelinux.cfg/0000000
ethernet@7d580000 Waiting for PHY auto negotiation to complete... TIMEOUT!
bcmgenet: PHY startup failed: -110