U-Boot 2024.01-armbian-2024.01-S866c-Pbc32-Ha9af-V80bb-Bda0a-R448a (Nov 25 2024 - 14:01:12 -0500) Allwinner Technology
CPU: Allwinner H616 (SUN50I)
Model: Transpeed 8K618-T
DRAM: 4 GiB
Core: 61 devices, 22 uclasses, devicetree: separate
WDT: Not starting watchdog@30090a0
MMC: mmc@4020000: 0, mmc@4022000: 1
Loading Environment from FAT... MMC: no card present
** Bad device specification mmc 0 **
In: serial@5000000
Out: serial@5000000
Err: serial@5000000
Net: apply fix for AC300 ephy bb version bug ...
using AC300 emac1 ephy default config ...
eth0: ethernet@5030000
starting USB...
Bus usb@5101000: sun4i_usb_phy phy@5100400: External vbus detected, not enabling our own vbus
USB EHCI 1.00
Bus usb@5101400: USB OHCI 1.0
Bus usb@5200000: USB EHCI 1.00
Bus usb@5200400: USB OHCI 1.0
scanning bus usb@5101000 for devices... 1 USB Device(s) found
scanning bus usb@5101400 for devices... 1 USB Device(s) found
scanning bus usb@5200000 for devices... 1 USB Device(s) found
scanning bus usb@5200400 for devices... 1 USB Device(s) found
scanning usb for storage devices... 0 Storage Device(s) found
Autoboot in 1 seconds, press <Space> to stop
MMC: no card present
switch to partitions #0, OK
mmc1(part 0) is current device
Scanning mmc 1:1...
MMC: no card present
No EFI system partition
No EFI system partition
Failed to persist EFI variables
BootOrder not defined
EFI boot manager: Cannot load any image
Device 0: unknown device
ethernet@5030000 Waiting for PHY auto negotiation to complete......... TIMEOUT !
missing environment variable: pxeuuid
Retrieving file: pxelinux.cfg/01-02-00-41-2d-68-a7
ethernet@5030000 Waiting for PHY auto negotiation to complete......... TIMEOUT !
Retrieving file: pxelinux.cfg/00000000
ethernet@5030000 Waiting for PHY auto negotiation to complete......... TIMEOUT !
Retrieving file: pxelinux.cfg/0000000
what can i do ? and how to do? 3ks