# Boot modes: UART

#check prompt
=> #check prompt
=> #check prompt
=> #check prompt
=> 
U-Boot SPL 2025.04-rc4-g0380767b462c (Mar 14 2025 - 06:03:17 -0500)
SYSFW ABI: 4.0 (firmware rev 0x000b '11.0.4--v11.00.04+ (Fancy Rat)')
Initialized 4 DRAM controllers
SPL initial stack usage: 13456 bytes
Trying to boot from UART
CLoaded 1050819 bytes
Loading Environment from nowhere... OK
init_env from device 7 not supported!
Starting ATF on ARM64 core...

NOTICE:  BL31: v2.12.0(release):11.00.05-5-g2ae655f0f-dirty
NOTICE:  BL31: Built : 11:49:32, Mar 13 2025
I/TC: 
I/TC: OP-TEE version: 4.5.0-73-gef1ebdc23-dev (gcc version 13.3.0 (GCC)) #1 Tue Feb  4 11:33:18 UTC 2025 aarch64
I/TC: WARNING: This OP-TEE configuration might be insecure!
I/TC: WARNING: Please check https://optee.readthedocs.io/en/latest/architecture/porting_guidelines.html
I/TC: Primary CPU initializing
I/TC: GIC redistributor base address not provided
I/TC: Assuming default GIC group status and modifier
I/TC: SYSFW ABI: 4.0 (firmware rev 0x000b '11.0.4--v11.00.04+ (Fancy Rat)')
I/TC: Activated SA2UL device
I/TC: Enabled firewalls for SA2UL TRNG device
I/TC: SA2UL TRNG initialized
I/TC: SA2UL Drivers initialized
I/TC: Secure Board Configuration Software: Rev 1
I/TC: Secure Boot Keys: Count 1, Rev 1
I/TC: HUK Initialized
I/TC: Primary CPU switching to normal world boot

U-Boot SPL 2025.04-rc4-g0380767b462c (Mar 14 2025 - 06:03:50 -0500)
SYSFW ABI: 4.0 (firmware rev 0x000b '11.0.4--v11.00.04+ (Fancy Rat)')
Trying to boot from UART
CLoaded 1419627 bytes


U-Boot 2025.04-rc4-g0380767b462c (Mar 14 2025 - 06:03:50 -0500)

SoC:   J784S4 SR1.0 HS-SE
Model: Texas Instruments J784S4 EVM
DRAM:  2 GiB (effective 32 GiB)
cdns3_bind: unsupported dr_mode
Core:  132 devices, 32 uclasses, devicetree: separate
Flash: 0 Bytes
MMC:   mmc@4f80000: 0, mmc@4fb0000: 1
Loading Environment from nowhere... OK
In:    serial@2880000
Out:   serial@2880000
Err:   serial@2880000
am65_cpsw_nuss ethernet@46000000: K3 CPSW: nuss_ver: 0x6BA02102 cpsw_ver: 0x6BA82102 ale_ver: 0x00293904 Ports:1
Net:   eth0: ethernet@46000000port@1
Hit any key to stop autoboot:  2  0 
=> 
=>  
=>  
=>  
=>  
=> version
U-Boot 2025.04-rc4-g0380767b462c (Mar 14 2025 - 06:03:50 -0500)

=>