Ping does not work on my MPC8544 board, using linux2.6.23

林志平 solyn123 at
Tue Dec 8 13:25:32 EST 2009

2009/12/8 Scott Wood <scottwood at>

> On Mon, Dec 07, 2009 at 11:53:22AM +0800, 林志平 wrote:
> > Does dtc1.2.0 can compile dts files under linux2.6.23?
> Probably not -- 2.6.23 is very old, and I think newer dtcs only support the
> newer dts syntax.
> > Another question is that I found linux2.6.31 does not support
> > board mpc8544ds,
> It should.  What problems do you see?

=> bootm 0x1000000 0x1800000 0x800000
## Booting kernel from Legacy Image at 01000000 ...
   Image Name:   Linux-2.6.31
   Image Type:   PowerPC Linux Kernel Image (gzip compressed)
   Data Size:    2185099 Bytes =  2.1 MB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK
## Loading init Ramdisk from Legacy Image at 01800000 ...
   Image Name:   Simple Embedded Linux Framework
   Image Type:   PowerPC Linux RAMDisk Image (gzip compressed)
   Data Size:    1859256 Bytes =  1.8 MB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK
## Flattened Device Tree blob at 00800000
   Booting using the fdt blob at 0x800000
   Uncompressing Kernel Image ... OK
   Loading Ramdisk to 1fca7000, end 1fe6ceb8 ... OK
booting kernel using flat tree
It then stops and never print any more,  I use mpc85xx_defconfig, I select
mpc85xxds in the menuconfig and deselect other options like mpc8540ads etc.

> > And I never boot linux-2.6.31 on my board, why linux-2.6.31 doesnot
> > provide a config file like mpc8544_ds_defconfig?
> Does mpc85xx_defconfig not work?
Yes mcp85xx_defconfig does not work, I can see mpc8540ads in the menuconfig,
but no mpc8544ds. And when I down load the generated uImage, It does not

> -Scott
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