Other Parts Discussed in Thread: AM62A7
Tool/software:
We boot from EMMC with SPL boot, and it will cost about 5s from tiboot--> uboot end, following is the log
We find performance a guide for boot time optimizations, but it for SBL boot,
6.1.11. Boot Time Optimizations — Processor SDK AM62Ax Documentation
Is there any guide from boot time optimization for SPL boot
[2025-03-20 13:15:50] U-Boot SPL 2024.04-ti-g (Mar 16 2025 - 21:03:15 +0000)
[2025-03-20 13:15:50] SYSFW ABI: 4.0 (firmware rev 0x000a '10.0.8--v10.00.08 (Fiery Fox)')
[2025-03-20 13:15:50] SPL initial stack usage: 13568 bytes
[2025-03-20 13:15:50] Trying to boot from MMC1
[2025-03-20 13:15:50] Authentication passed
[2025-03-20 13:15:50] Authentication passed
[2025-03-20 13:15:50] Authentication passed
[2025-03-20 13:15:50] Authentication passed
[2025-03-20 13:15:50] Authentication passed
[2025-03-20 13:15:50] Starting ATF on ARM64 core...
[2025-03-20 13:15:50]
[2025-03-20 13:15:50] NOTICE: BL31: v2.10.0(release):v2.10.0-367-g0f1ec6b87-dirty
[2025-03-20 13:15:50] NOTICE: BL31: Built : 16:09:05, Feb 9 2024
[2025-03-20 13:15:50]
[2025-03-20 13:15:50] U-Boot SPL 2024.04-ti-g (Mar 16 2025 - 21:03:15 +0000)
[2025-03-20 13:15:50] SYSFW ABI: 4.0 (firmware rev 0x000a '10.0.8--v10.00.08 (Fiery Fox)')
[2025-03-20 13:15:50] Trying to boot from MMC1
[2025-03-20 13:15:51] Authentication passed
[2025-03-20 13:15:51] Authentication passed
[2025-03-20 13:15:53]
[2025-03-20 13:15:53]
[2025-03-20 13:15:53] U-Boot 2024.04-ti-g (Mar 16 2025 - 21:03:15 +0000)
[2025-03-20 13:15:53]
[2025-03-20 13:15:53] SoC: AM62AX SR1.0 HS-FS
[2025-03-20 13:15:53] Model: Texas Instruments AM62A7 SK
[2025-03-20 13:15:53] DRAM: 2 GiB
[2025-03-20 13:15:53] Core: 87 devices, 30 uclasses, devicetree: separate
[2025-03-20 13:15:53] MMC: mmc@fa10000: 0, mmc@fa00000: 1
[2025-03-20 13:15:53] Loading Environment from MMC... *** Warning - bad CRC, using default environment
[2025-03-20 13:15:53]
[2025-03-20 13:15:53] In: serial@2800000
[2025-03-20 13:15:53] Out: serial@2800000
[2025-03-20 13:15:53] Err: serial@2800000
[2025-03-20 13:15:53] Net: eth0: ethernet@8000000port@1
[2025-03-20 13:15:53] Hit any key to stop autoboot: 0
[2025-03-20 13:15:55] Initializing default U-Boot environment...
[2025-03-20 13:15:55] Saving Environment to MMC... Writing to MMC(0)... OK
[2025-03-20 13:15:56] switch to partitions #0, OK
[2025-03-20 13:15:56] mmc0(part 0) is current device
[2025-03-20 13:15:56] SD/MMC found on device 0
[2025-03-20 13:15:56] Can't set block device
[2025-03-20 13:15:56] 20490752 bytes read in 164 ms (119.2 MiB/s)
[2025-03-20 13:15:56] 61618 bytes read in 39 ms (1.5 MiB/s)
[2025-03-20 13:15:56] Working FDT set to 88000000
[2025-03-20 13:15:56] ## Flattened Device Tree blob at 88000000
[2025-03-20 13:15:56] Booting using the fdt blob at 0x88000000
[2025-03-20 13:15:56] Working FDT set to 88000000
[2025-03-20 13:15:56] Loading Device Tree to 000000008feed000, end 000000008fffffff ... OK
[2025-03-20 13:15:56] Working FDT set to 8feed000
[2025-03-20 13:15:56]
[2025-03-20 13:15:56] Starting kernel ...(
