U-Boot SPL 2020.01-00016-ge995ed0ec1-dirty (Jul 01 2021 - 17:43:11 -0500)
SYSFW ABI: 3.1 (firmware rev 0x0015 '21.1.1--v2021.01a (Terrific Lla')
SPL initial stack usage: 13396 bytes
Trying to boot from MMC1
Loading Environment from MMC... OK
init_env from device 9 not supported!
Starting ATF on ARM64 core...

NOTICE:  BL31: v2.4(release):2021.00.003-dirty
NOTICE:  BL31: Built : 14:41:43, May 28 2021

U-Boot SPL 2020.01-00016-ge995ed0ec1-dirty (Jul 01 2021 - 17:40:32 -0500)
SYSFW ABI: 3.1 (firmware rev 0x0015 '21.1.1--v2021.01a (Terrific Lla')
Trying to boot from MMC1


U-Boot 2020.01-00016-ge995ed0ec1-dirty (Jul 01 2021 - 17:40:32 -0500)

SoC:   AM64X SR1.0
Model: Texas Instruments AM642 EVM
Board: AM64-GPEVM rev E2
DRAM:  2 GiB
not found for dev mux
MMC:   sdhci@fa10000: 0, sdhci@fa00000: 1
Loading Environment from MMC... OK
In:    serial@2800000
Out:   serial@2800000
Err:   serial@2800000
Net:   eth0: ethernet@8000000
Hit any key to stop autoboot:  2  0 
=> saveenv
Saving Environment to MMC... Writing to MMC(0)... OK
=>