U-Boot TPL 2020.07 (Nov 22 2022 - 13:40:01) Board: rev0b Channel 0: LPDDR4, 50MHz BW=32 Col=10 Bk=8 CS0 Row=15 CS1 Row=15 CS=2 Die BW=16 Size=2048MB Channel 1: LPDDR4, 50MHz BW=32 Col=10 Bk=8 CS0 Row=15 CS1 Row=15 CS=2 Die BW=16 Size=2048MB 256B stride 256B stride lpddr4_set_rate: change freq to 400000000 mhz 0, 1 lpddr4_set_rate: change freq to 800000000 mhz 1, 0 Trying to boot from BOOTROM Returning to boot ROM... U-Boot SPL 2020.07 (Nov 22 2022 - 13:40:01 +0000) Trying to boot from MMC2 U-Boot 2020.07 (Nov 22 2022 - 13:40:01 +0000) SoC: Rockchip rk3399 Reset cause: POR Model: FriendlyElec NanoPi R4SE DRAM: 3.9 GiB PMIC: RK808 MMC: mmc@fe320000: 1, sdhci@fe330000: 0 Loading Environment from MMC... *** Warning - bad CRC, using default environment In: serial@ff1a0000 Out: serial@ff1a0000 Err: serial@ff1a0000 Model: FriendlyElec NanoPi R4SE Net: eth0: ethernet@fe300000 starting USB... Bus usb@fe380000: USB EHCI 1.00 Bus usb@fe3c0000: USB EHCI 1.00 Bus dwc3: Register 2000140 NbrPorts 2 Starting the controller USB XHCI 1.10 Bus dwc3: Register 2000140 NbrPorts 2 Starting the controller USB XHCI 1.10 scanning bus usb@fe380000 for devices... 1 USB Device(s) found scanning bus usb@fe3c0000 for devices... 1 USB Device(s) found scanning bus dwc3 for devices... 1 USB Device(s) found scanning bus dwc3 for devices... 1 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found Hit any key to stop autoboot: 0 Device 0: unknown device Card did not respond to voltage select! switch to partitions #0, OK mmc0(part 0) is current device Scanning mmc 0:1... Found EFI removable media binary efi/boot/bootaa64.efi libfdt fdt_check_header(): FDT_ERR_BADMAGIC Card did not respond to voltage select! Scanning disk mmc@fe320000.blk... Disk mmc@fe320000.blk not ready Scanning disk sdhci@fe330000.blk... ** Unrecognized filesystem type ** ** Unrecognized filesystem type ** Found 4 disks BootOrder not defined EFI boot manager: Cannot load any image 1256140 bytes read in 156 ms (7.7 MiB/s) libfdt fdt_check_header(): FDT_ERR_BADMAGIC