VIA Technologies ALTA DS 4K, Быстрый старт

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ALTA DS 4K Android EVK v1.0.5 Quick Start Guide
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U-Boot 94.30.01-VT6091-00041-g3eedf9f-dirty (May 19 2017 - 18:13:42)
U-Boot version number is 1.01
Board: ZX2000 VT6091
I2C: ready
monitor len: 000B2D8C
ramsize: 7E000000
TLB table from 7fff0000 to 7fff4000
Top of RAM usable for U-Boot at: 7fff0000
Reserving 715k for U-Boot at: 7ff3d000
Reserving 9406k for malloc() at: 7f60d800
Reserving 32 Bytes for Board Info at: 7f60d7e0
Reserving 160 Bytes for Global Data at: 7f60d740
New Stack Pointer is: 7f60d730
DRAM: 2 GiB
relocation Offset is: 7bfbd000
monitor flash len: 0006B054
Now running in RAM - U-Boot at: 7ff3d000
Begin init display adapter.
Success to reset mxu
[DISP]Detected Edid
[DISP]HDMI detected, MonitorCaps = 0xf
……
boot_method is 1
fbt_preboot: request for a normal boot
VT6091 #
Debug console view of boot process
To list the current U-Boot parameters, use the following command:
VT6091 # printenv
Make sure the printout message is as follows:
=> printenv
baudrate=115200
bootcmd=run bootcmd_sd; if iminfo 0x0; then source 0; else mmc dev 1 && run bootcmd_auto; fi
bootcmd_auto=ext4load mmc 1:e 0x22800000 uImage-dtb; if iminfo 0x22800000; then run
bootargs_mmc && bootm 0x22800000; else run bootcmd_emmc; fi;
bootcmd_sd=mmc dev 0; fatload mmc 0:1 0x0 scriptcmd; if iminfo 0x0; then source 0; else mmc
dev 0 && ext4load mmc 0:1 0x0 scriptcmd; fi;