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器件型号：J721S2XSOMXEVM 工具与软件：
嗨、团队：
J721S2 EVM 默认 DDR 时钟为2133MHz、我们希望更改为1866MHz。
我已在 DDRSS 配置工具中修改、并替换了 u-boot.img、tiboot3.bin 和 tispl.bin。
引导失败日志如下所示：
=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2024.10.09 11:27:51 =~=~=~=~=~=~=~=~=~=~=~= U-Boot SPL 2023.04-dirty (Oct 08 2024 - 09:50:24 +0800) SYSFW ABI: 3.1 (firmware rev 0x0009 '9.2.4--v09.02.04 (Kool Koala)') SPL initial stack usage: 13472 bytes Trying to boot from MMC2 Warning: Detected image signing certificate on GP device. Skipping certificate to prevent boot failure. This will fail if the image was also encrypted Warning: Detected image signing certificate on GP device. Skipping certificate to prevent boot failure. This will fail if the image was also encrypted Warning: Detected image signing certificate on GP device. Skipping certificate to prevent boot failure. This will fail if the image was also encrypted Warning: Detected image signing certificate on GP device. Skipping certificate to prevent boot failure. This will fail if the image was also encrypted Warning: Detected image signing certificate on GP device. Skipping certificate to prevent boot failure. This will fail if the image was also encrypted Loading Environment from nowhere... OK Starting ATF on ARM64 core... NOTICE: BL31: v2.10.0(release):v2.10.0-367-g00f1ec6b87-dirty NOTICE: BL31: Built : 16:09:05, Feb 9 2024 ERROR: Timeout waiting for thread SP_RESPONSE to fill ERROR: Thread SP_RESPONSE verification failed (-60) ERROR: Message receive failed (-60) ERROR: Failed to get response (-60) ERROR: Transfer send failed (-60) ERROR: Timeout waiting for thread SP_RESPONSE to fill ERROR: Thread SP_RESPONSE verification failed (-60) ERROR: Message receive failed (-60) ERROR: Failed to get response (-60) ERROR: Transfer send failed (-60) ERROR: Unable to query firmware capabilities (-60)
谢谢。
Maurice.
