Hi, I'm porting u-boot-1.3.1. on a MPC8548PC processor and I'm using the start.S file of u-boot-1.1.4. But I encounter booting problems.. The processor cannot bootup .. its going to hang state .. I used start.S of u-boot-1.1.4 since it works fine for u-boot-1.1.4 .. please help in this regard .. thanks .. regards pugazh