tq210 tftp 无法更新固件

好久没有玩板子了，今天想通过tftp更新固件，发现无法更新，信息如下：
#####     EmbedSky TFTP download mode     #####

[1] Download u-boot.bin to Nand Flash
[2] Download Eboot (eboot.nb0) to Nand Flash
[3] Download Linux Kernel (zImage.bin) to Nand Flash
[4] Download LOGO Picture (logo.bin) to Nand  Flash
[5] Download UBIFS image (root.ubi) to Nand Flash
[6] Download YAFFS image (root.bin) to Nand Flash
[7] Download Program to SDRAM and Run it
[8] Boot the system
[9] Format the Nand Flash
[0] Set the boot parameters
[a] Download User Program
[n] Set TFTP parameters(PC IP,TQ210 IP,Mask IP...)
[p] Test network (TQ210 Ping PC's IP)
[r] Reboot u-boot
Download STEPLDR.nb1 to Nand Flash
[t] Test Linux Image (zImage)
[q] Return main Menu
Enter your selection: 3
ERROR: resetting DM9000 -> not responding
dm9000 i/o: 0x88000000, id: 0x90000a46
DM9000: running in 16 bit mode
MAC: 00:40:5c:26:0a:5b
operating at 100M full duplex mode
TFTP from server 192.168.1.7; our IP address is 192.168.1.6
Filename 'zImage.bin'.
Load address: 0xc0008000
Loading: *

之前好像有人遇到过，也不晓得是怎么解决的，在此求助，望大侠支招，谢谢先！如果进入原厂系统发现能够ping同网关，似乎网卡也没啥问题。