串口打印信息如下:
U-Boot 2010.06 (Sep 10 2012 - 09:14:10)
TI8148-GP rev 2.1
ARM clk: 600MHz
DDR clk: 266MHz
DRAM: 2 GiB
MMC: OMAP SD/MMC: 0
Using default environment
The 2nd stage U-Boot will now be auto-loaded
Please do not interrupt the countdown till TI8148_EVM prompt if 2nd stage is already flashed
Hit any key to stop autoboot: 0
reading u-boot.bin
185548 bytes read
## Starting application at 0x80800000 ...
2级Uboot被读入DDR,但跳转后无打印消息,本人所使用的硬件平台是DM8147+micro DDR2,无NAND FLASH,启动模式配置为SD启动模式,MLO及u-boot.bin均按SD的配置方式编译产生。
麻烦工程师帮忙分析下,通过哪几个方面进行问题查找,谢谢