现象:
板子启动到 Free init memory就不动了。
<6>RPC: Registered udp transport module.
<6>RPC: Registered tcp transport module.
<3>Power Management for TI OMAP3.
<6>OMAP GPIO switch handler initializing
<6>VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 1
<3>twl4030_rtc twl4030_rtc: hctosys: invalid date/time
<6>eth0: link down
IP-Config: Complete:
device=eth0, addr=128.224.163.125, mask=255.255.254.0, gw=255.255.255.255,
host=128.224.163.125, domain=, nis-domain=(none),
bootserver=128.224.162.224, rootserver=128.224.162.224, rootpath=
<5>Looking up port of RPC 100003/2 on 128.224.162.224
<6>eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
<5>Looking up port of RPC 100005/1 on 128.224.162.224
VFS: Mounted root (nfs filesystem).
<6>Freeing init memory: 132K
错误原因:
在uboot里习惯性的将console设成了ttyS0,其实在ZOOM MDK上console应该是ttyS2.
bootargs=console=ttyS2,115200n8 mem=128M rdinit=/init mtdparts=omap2-nand.0:56m@8m(system),4m@64m(kern)
其实从启动信息也可以看出来,前面带<数字>的打印信息都是开了LL_DEBUG所致,正常情况下每句话应该打印两次,还有一句不带<数字>的。只打印一句说明串口设置有问题。
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