求助AT91SAM9260 网络问题
参考atmel的at91sam9260ek自己画了一块9260的核心板，把atmel下载的u-boot烧写进data-flash运行起来后，同时做了10块，其中4块网络连接不上，其他正常，器件是同一批次的，请高手指教，谢谢！
超级终端提示信息为：
U-Boot 1.1.5 (Sep 4 2008 - 17:40:41)
DRAM: 64 MB
NAND: NAND device: Manufacturer ID: 0xec, Chip ID: 0xda (Samsung NAND 256MiB 3,3V 8-bit)
NAND: Pagesize: 2048, Blocksize: 128K, OOBsize: 64
256 MiB
DataFlash:AT45DB642
Nb pages: 8192
Page Size: 1056
Size= 8650752 bytes
Logical address: 0xD0000000
Area 0: D0000000 to D0003FFF (RO)
Area 1: D0004000 to D0007FFF
Area 2: D0008000 to D0037FFF (RO)
Area 3: D0038000 to D083FFFF
In: serial
Out: serial
Err: serial
Remove PHY 500ms reset
DM9161A PHY Detected
No link
MAC: error during RMII initialization
Hit any key to stop autoboot: 3 2 1 0
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