HOW TO BOOT ROCKPI 4B BOARD WITH emmc

Hello,
First time I am using ROCKPI 4B board and I am facing problem while booting throw emmc.This step I am following(below I mention with display message).So, please help me.

##Step which I am follow given in this link(https://wiki.radxa.com/Rockpi4/getting_started).

##Message which display is given below.

DDR Version 1.20 20190314
In
channel 0
CS = 0
MR0=0xB8
MR4=0x1
MR5=0xFF
MR8=0x10
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
channel 1
CS = 0
MR0=0xB8
MR4=0x1
MR5=0xFF
MR8=0x10
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
channel 0 training pass!
channel 1 training pass!
change freq to 400MHz 0,1
channel 0
CS = 0
MR0=0xB8
MR4=0x1
MR5=0xFF
MR8=0x10
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
channel 1
CS = 0
MR0=0xB8
MR4=0x1
MR5=0xFF
MR8=0x10
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
channel 0 training pass!
channel 1 training pass!
change freq to 800MHz 1,0
Channel 0: LPDDR4,800MHz
Bus Width=32 Col=10 Bank=8 Row=16 CS=1 Die Bus-Width=16 Size=2048MB
Channel 1: LPDDR4,800MHz
Bus Width=32 Col=10 Bank=8 Row=16 CS=1 Die Bus-Width=16 Size=2048MB
256B stride
ch 0 ddrconfig = 0x101, ddrsize = 0x40
ch 1 ddrconfig = 0x101, ddrsize = 0x40
pmugrf_os_reg[2] = 0x32C1F2C1, stride = 0xD
OUT
Boot1: 2018-06-26, version: 1.14
CPUId = 0x0
ChipType = 0x10, 222
Spi_ChipId = b4016
SpiBootInit:0
mmc0:cmd8,32
mmc0:cmd5,32
mmc0:cmd55,32
mmc0:cmd1,32
mmc0:cmd8,32
mmc0:cmd5,32
mmc0:cmd55,32
mmc0:cmd1,32
mmc0:cmd8,32
mmc0:cmd5,32
mmc0:cmd55,32
mmc0:cmd1,32
SdmmcInit=0 1
StorageInit ok = 21730
SecureMode = 0
SecureInit ret = 0, SecureMode = 0
GPT vendor signature is wrong
LoadTrust Addr:0x1800
LoadTrust Addr:0x1c00
LoadTrust Addr:0x2000
LoadTrust Addr:0x2400
LoadTrust Addr:0x2800
LoadTrust Addr:0x2c00
LoadTrust Addr:0x3000
LoadTrust Addr:0x3400
Addr:0x1800 No find trust.img!
LoadTrustBL error:-3
powerOn 488968

please help booting with emmc.

Thank you…,
Regards
sharad

Hello,

Can you share the image you tried to flash on the emmc? Looks like you’re not using the correct software image needed for rockpi 4b.

Please try to flash any os image from raxda wiki page.

Then share the uboot logs.

Or use rockPI related linux distro from SD and dd image to emmc

Thank you @spikerguy and @n0tiert for response,I am able to boot through emmc.

I used ubuntu system,emmc reader and dd command (sudo dd if=rockpi4-debian-stretch-desktop-arm64-20190730_2022-gpt.img of=/dev/sdb).