## Starting application at 0x82100000 ... U-Boot 2022.10-g0076cd0a (Oct 19 2026 - 14:56:24 +0000) CPU: Anyka ak3918ev300 (chip id ), ASIC 100 MHz DRAM: 64 MiB MMC: ak_mci: 0 Loading Environment from SPIFlash... SF: Detected JEDEC 207017 with page size 256 Bytes, erase size 64 KiB, total 8 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Automatic flash layout detection... Scanning 0x50000-0x400000 ... Firmware is absent/corrupt (kernel=0x0, rootfs=0x0) Net: Could not get PHY for dwmac.20300000: addr -1 Board Net Initialization Failed dwmac.20300000 Hit Ctrl-C to stop autoboot: 1 OpenIPC # bdinfo boot_params = 0x80000100 DRAM bank = 0x00000000 -> start = 0x80000000 -> size = 0x04000000 flashstart = 0x00000000 flashsize = 0x00000000 flashoffset = 0x00000000 baudrate = 115200 bps relocaddr = 0x83fb3000 reloc off = 0x031b3000 Build = 32-bit current eth = dwmac.20300000 fdt_blob = 0x00000000 new_fdt = 0x00000000 fdt_size = 0x00000000 arch_number = 0x00000f34 TLB addr = 0x83ff0000 irq_sp = 0x83ba2ee0 sp start = 0x83ba2ed0 OpenIPC # sf probe 0 OpenIPC # mmc info Device: ak_mci Manufacturer ID: 27 OEM: 5048 Name: SD64G Bus Speed: 20000000 Mode: SD High Speed (50MHz) Rd Block Len: 512 SD version 3.0 High Capacity: Yes Capacity: 58.3 GiB Bus Width: 1-bit Erase Group Size: 512 Bytes OpenIPC # fatls mmc 0 openipc ./ ../ 235992 u-boot-ak3918ev300-nor.bin 4096 ._u-boot-ak3918ev300-nor.bin 2 file(s), 2 dir(s) OpenIPC # help ? - alias for 'help' base - print or set address offset bdinfo - print Board Info structure boot - boot default, i.e., run 'bootcmd' bootd - boot default, i.e., run 'bootcmd' bootm - boot application image from memory bootp - boot image via network using BOOTP/TFTP protocol cmp - memory compare coninfo - print console devices and information cp - memory copy crc32 - checksum calculation dhcp - boot image via network using DHCP/TFTP protocol echo - echo args to console editenv - edit environment variable env - environment handling commands exit - exit script false - do nothing, unsuccessfully fatinfo - print information about filesystem fatload - load binary file from a dos filesystem fatls - list files in a directory (default /) fatsize - determine a file's size go - start application at address 'addr' help - print command description/usage iminfo - print header information for application image itest - return true/false on integer compare loadb - load binary file over serial line (kermit mode) loadx - load binary file over serial line (xmodem mode) loady - load binary file over serial line (ymodem mode) loop - infinite loop on address range md - memory display mdio - MDIO utility commands mii - MII utility commands mm - memory modify (auto-incrementing address) mmc - MMC sub system mmcinfo - display MMC info mw - memory write (fill) nm - memory modify (constant address) panic - Panic with optional message ping - send ICMP ECHO_REQUEST to network host printenv - print environment variables reset - Perform RESET of the CPU run - run commands in an environment variable saveenv - save environment variables to persistent storage setenv - set environment variables setexpr - set environment variable as the result of eval expression sf - SPI flash sub-system showvar - print local hushshell variables sleep - delay execution for some time source - run script from memory test - minimal test like /bin/sh tftpboot - load file via network using TFTP protocol true - do nothing, successfully version - print monitor, compiler and linker version