[U-Boot] help - u-boot on powerpc qemu

[吴红青]

hello,i am using u-boot on powerpc qemu,my u-boot version is 
u-boot-2016.01-rc2,i make uboot as below:

cd u-boot-2016.01-rc2
make clean
make ARCH=powerpc CROSS_COMPILE=powerpc-linux-gnu- qemu-ppce500_defconfig
make ARCH=powerpc CROSS_COMPILE=powerpc-linux-gnu-

then ,t execute u-boot bay qemu as below:

qemu-system-ppc -M ppce500  -serial stdio -kernel u-boot -m 1024

uboot show some msg as below:

U-Boot 2016.01-rc2 (Dec 13 2015 - 19:54:13 +0800)

CPU:   Unknown, Version: 0.0, (0x00000000)
Core:  e500, Version: 3.0, (0x80210030)
Clock Configuration:
        CPU0:400  MHz,
        CCB:400  MHz,
        DDR:200  MHz (400 MT/s data rate), LBC: unknown (LCRR[CLKDIV] = 
0x00)
L1:    D-cache 32 KiB enabled
        I-cache 32 KiB enabled
DRAM:  1 GiB
L2:    disabled
Using default environment


PCI: base address e0008000
   00:01.0     - 1af4:1000 - Network controller
PCI1: Bus 00 - 00

In:    serial
Out:   serial
Err:   serial
Net:   No ethernet found.
Hit any key to stop autoboot:  0
WARNING: adjusting available memory to 30000000
Wrong Image Format for bootm command
ERROR: can't get kernel image!
=>

why no net card? can you help me?

thanks you!!!