核心板是MICRO2440,在友善的底板上是能正常启动的,但是在自己设计的底板上启动报CRC ERROR
之前怀疑是某些管脚有问题,现在拿了块空的底板,只焊了电源和串口0(调试口)部分,数据地址线没有引到底板上,还是报CRC ERROR,非常的奇怪,难道友善的核心板有什么机关?
启动信息:
##### FriendlyARM BIOS 2.0 for 2440 #####
[x] format NAND FLASH for Linux
[v] Download vivi
[k] Download linux kernel
[y] Download root_yaffs image
[a] Absolute User Application
[n] Download Nboot for WinCE
[l] Download WinCE boot-logo
[w] Download WinCE NK.bin
[d] Download & Run
[z] Download zImage into RAM
[g] Boot linux from RAM
[f] Format the nand flash
Boot the system
[s] Set the boot parameters
Backup NAND Flash to HOST through USB(upload)
[r] Restore NAND Flash from HOST through USB
[q] Goto shell of vivi
Version: 1138-2K
Enter your selection: b
Copy linux kernel from 0x00060000 to 0x30008000, size = 0x00500000 ... pos = 5242880, good pos = 560000
done
zImage magic = 0x016f2818
Setup linux parameters at 0x30000100
linux command line is: "noinitrd root=/dev/mtdblock3 init=/linuxrc console=ttySAC0"
MACH_TYPE = 1999
NOW, Booting Linux......
Uncompressing Linux...................................................................................................................................................................
crc error
-- System halted
板子见照片
