TI中文支持网Part Number:AM68A
The SK-AM68A development board allows the system to continuously restart when a USB drive is inserted into the USB port or an SSD hard drive or other computing card is inserted into the PCI-E interface (with correct electrical interface)， The startup log is as follows
U-Boot SPL 2021.01-g62a9e51344 (Mar 01 2023 – 17:58:08 +0000)
ti_sci system-controller@44083000: Message not acknowledgedSYSFW ABI: 3.1 (firmware rev 0x0008 '8.6.3-v08.06.03 (Chill Capybara')
EEPROM not available at 0x50, trying to read at 0x51
SPL initial stack usage: 13472 bytes
Trying to boot from MMC2
Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
Starting ATF on ARM64 core…
NOTICE: BL31: v2.8(release):v2.8-226-g2fcd408bb3-dirty
NOTICE: BL31: Built : 17:56:46, Mar 1 2023
I/TC:
I/TC: OP-TEE version: 3.20.0 (gcc version 9.2.1 20191025 (GNU Toolchain for the A-profile Architecture 9.2-2019.12 (arm-9.10))) #1 Wed Mar 1 17:56:56 U4
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 '8.6.3-v08.06.03 (Chill Capybara')
I/TC: HUK Initialized
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: Primary CPU switching to normal world boot
U-Boot SPL 2021.01-g62a9e51344 (Mar 01 2023 – 17:57:15 +0000)
ti_sci system-controller@44083000: Message not acknowledgedSYSFW ABI: 3.1 (firmware rev 0x0008 '8.6.3-v08.06.03 (Chill Capybara')
Trying to boot from MMC2
Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
Warning: Did not detect image signing certificate. Skipping authentication to prevent boot failure. This will fail on Security Enforcing(HS-SE) devices
U-Boot 2021.01-g62a9e51344 (Mar 01 2023 – 17:57:15 +0000)
SoC: J721S2 SR1.0 HS-FS
Model: Texas Instruments AM68 SK
Board: AM68-SK-SOM rev E1
DRAM: 16 GiB
cdns3_bind: unsupported dr_mode
Flash: 0 Bytes
MMC: mmc@4fb0000: 1
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 mdio_freq:1000000
Detected: AM68-SK-BB rev E2
Net: eth0: ethernet@46000000port@1
Hit any key to stop autoboot:
Nancy Wang：
请关注您在英文论坛发布的帖子，已有产线专家跟进。
e2e.ti.com/…/am68a-the-sk-am68a-development-board-allows-the-system-to-continuously-restart-when-a-usb-drive-is-inserted-into-the-usb-port-or-an-ssd-hard-drive-or-other-computing-card-is-inserted-into-the-pci-e-interface
