MT7620N的无线路由器板启动问题，8M Flash 64M DDR1内存
自己绘制了一块MT7620N的无线路由器板卡，8M Flash 64MDDR1内存，刷入uboot后可以看到启动信息，但是通过tftp刷机却无法进行下去，不知道问题何在，请各位大神指点一二，分析一下问题原因，附上启动信息如下：
U-Boot 1.1.3 (Aug 14 2014 - 14:42:03)
Board: Ralink APSoC DRAM:64 MB
relocate_code Pointer at: 83fb4000
enable ephy clock...done. rf reg 29 = 5
SSC disabled.
spi_wait_nsec: 29
spi device id: ef 40 18 0 0 (40180000)
Warning: un-recognized chip ID, please update bootloader!
raspi_read: from:30000 len:1000
*** Warning - bad CRC, using default environment
============================================
Ralink UBoot Version: 4.1.2.0
--------------------------------------------
ASIC 7620_MP (Port5<->None)
DRAM component: 512 Mbits DDR, width 16
DRAM bus: 16 bit
Total memory: 64 MBytes
Flash component: SPI Flash
Date:Aug 14 2014Time:14:42:03
============================================
icache: sets:512, ways:4, linesz:32 ,total:65536
dcache: sets:256, ways:4, linesz:32 ,total:32768
##### The CPU freq = 580 MHZ ####
estimate memory size =64 Mbytes
Please choose the operation:
1: Load system code to SDRAM via TFTP.
2: Load system code then write to Flash via TFTP.
3: Boot system code via Flash (default).
4: Entr boot command line interface.
7: Load Boot Loader code then write to Flash via Serial.
9: Load Boot Loader code then write to Flash via TFTP. 2
You choosed 2
0
raspi_read: from:40028 len:6
2: System Load Linux Kernel then write to Flash via TFTP.
Warning!! Erase Linux in Flash then burn new one. Are you sure?(Y/N)
Please Input new ones /or Ctrl-C to discard
Input device IP (10.10.10.123) ==:10.10.10.123
至此程序就死在这里进行不下去了，附上板卡硬件图片
20140827_155426.jpg (662.57 KB, 下载次数: 0)
http://www.anywlan.com/forum.php?mod=attachment&aid=NDkwNjUyfDVjNDJmY2Q5fDE0MDkxMjYzMTB8MTA0MDg1NnwzMjkxODI%3D
GGGGGGGGGGGGGGGGGGGG
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