Comparison between time for splashs screen at different u-boot stages

u-boot_logs

Splash Screen at u-boot proper
U-Boot SPL 2023.04-rc4-00007-ge29d6560e6-dirty (Mar 16 2023 - 15:19:14 +0530)
SYSFW ABI: 3.1 (firmware rev 0x0008 '8.5.3--v08.05.03 (Chill Capybar')
Trying to boot from MMC2
Starting ATF on ARM64 core...

NOTICE:  BL31: v2.7(release):v2.7.0-359-g1309c6c805-dirty
NOTICE:  BL31: Built : 11:48:12, Dec 14 2022
I/TC: 
I/TC: OP-TEE version: 3.19.0-15-gd6c5d0037 (gcc version 9.2.1 20191025 (GNU Toolchain for the A-profile Architecture 9.2-2019.12 (arm-9.10))) #1 Wed Dec 14 11:52:03 UTC 2022 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: SYSFW ABI: 3.1 (firmware rev 0x0008 '8.5.3--v08.05.03 (Chill Capybar')
I/TC: HUK Initialized
I/TC: Activated SA2UL device
I/TC: Fixing SA2UL firewall owner for GP device
I/TC: Enabled firewalls for SA2UL TRNG device
I/TC: SA2UL TRNG initialized
I/TC: SA2UL Drivers initialized
I/TC: Primary CPU switching to normal world boot

U-Boot SPL 2023.04-rc4-00007-ge29d6560e6-dirty (Mar 16 2023 - 16:49:52 +0530)
SYSFW ABI: 3.1 (firmware rev 0x0008 '8.5.3--v08.05.03 (Chill Capybar')
SPL initial stack usage: 1904 bytes
Trying to boot from MMC2


U-Boot 2023.04-rc4-00007-ge29d6560e6-dirty (Mar 16 2023 - 16:49:52 +0530)

SoC:   AM62X SR1.0 GP
Model: Texas Instruments AM625 SK
DRAM:  2 GiB
Core:  55 devices, 23 uclasses, devicetree: separate
MMC:   mmc@fa10000: 0, mmc@fa00000: 1, mmc@fa20000: 2
Loading Environment from nowhere... OK

Splash screen called at 2009867us 

SF: Detected s28hs512t with page size 256 Bytes, erase size 256 KiB, total 64 MiB
In:    serial
Out:   serial
Err:   serial
Net:   eth0: ethernet@8000000port@1
Hit any key to stop autoboot:  0 
=> 

Splash Screen at u-boot SPL
U-Boot SPL 2023.04-rc4-00007-ge29d6560e6-dirty (Mar 16 2023 - 15:19:14 +0530)
SYSFW ABI: 3.1 (firmware rev 0x0008 '8.5.3--v08.05.03 (Chill Capybar')
Trying to boot from MMC2
Starting ATF on ARM64 core...

NOTICE:  BL31: v2.7(release):v2.7.0-359-g1309c6c805-dirty
NOTICE:  BL31: Built : 11:48:12, Dec 14 2022
I/TC: 
I/TC: OP-TEE version: 3.19.0-15-gd6c5d0037 (gcc version 9.2.1 20191025 (GNU Toolchain for the A-profile Architecture 9.2-2019.12 (arm-9.10))) #1 Wed Dec 14 11:52:03 UTC 2022 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: SYSFW ABI: 3.1 (firmware rev 0x0008 '8.5.3--v08.05.03 (Chill Capybar')
I/TC: HUK Initialized
I/TC: Activated SA2UL device
I/TC: Fixing SA2UL firewall owner for GP device
I/TC: Enabled firewalls for SA2UL TRNG device
I/TC: SA2UL TRNG initialized
I/TC: SA2UL Drivers initialized
I/TC: Primary CPU switching to normal world boot

U-Boot SPL 2023.04-rc4-00007-ge29d6560e6-dirty (Mar 16 2023 - 17:01:29 +0530)
SYSFW ABI: 3.1 (firmware rev 0x0008 '8.5.3--v08.05.03 (Chill Capybar')
SPL initial stack usage: 1904 bytes

Splash screen called at 355444us 

Trying to boot from MMC2


U-Boot 2023.04-rc4-00007-ge29d6560e6-dirty (Mar 16 2023 - 17:01:29 +0530)

SoC:   AM62X SR1.0 GP
Model: Texas Instruments AM625 SK
DRAM:  2 GiB
Core:  54 devices, 22 uclasses, devicetree: separate
MMC:   mmc@fa10000: 0, mmc@fa00000: 1, mmc@fa20000: 2
Loading Environment from nowhere... OK
SF: Detected s28hs512t with page size 256 Bytes, erase size 256 KiB, total 64 MiB
In:    serial
Out:   serial
Err:   serial
Net:   eth0: ethernet@8000000port@1
Hit any key to stop autoboot:  0