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Please give a working bootargs for DM812x reference design IP camera

Changchun Li
Prodigy 220 points

Hi,

I am trying to boot the ipnc camera. The kernel is from NAND flash, and file system is NFS mounted. I use this one:

 

setenv bootargs 'mem=128M console=ttyO0,115200n8 root=/dev/nfs nfsroot=xx.xx.xx.xx:/home/someuser/filesys,nolock rw ip=dhcp'; saveenv; boot;

It can load and boot the system till the root user log in.

 

However, if I follow the step given in " IPNC Reference Design on DM812x User Guide" and use the following bootargs":

setenv bootargs 'console=ttyO0,115200n8 root=/dev/nfs rw mem=80M vram=4M notifyk.vpssm3_sva=0xCFD00000 nfsroot=xx.xx.xx.xx:/home/someuser/filesys,nolock eth=$(ethaddr) ip=dhcp earlyprintk'; saveenv; boot;

It never worked! and hanged for ever.

Could some one gives an explanation on the above and explain the parameters?

Thanks,

cc