Hi Jyotshna, Is your u-boot code doing any register initializations?
> I am modifying the MPC8260ads configurations to match my board but I don't > see any messages being printed on the serial port. I am using Codewarrior USB > TAP debugger to debug the u-boot code with an initialization file as follows: > > setMMRBaseAddr 0x00000000 > writemmr SCCR 0x0000 > writemmr SYPCR 0xffffffc3 > writemmr RMR 0x0001 > # Memory periodic timer prescaler > writemmr MPTPR 0x3200 > # Internal memory map register > writemmr IMMR 0x04700000 > With the above initialization file when I define CONFIG_IMMR to 0xF0000000 in > u-boot it just doesn't go further and so I modified it to be same as the > initilization file ( 0x0470000) and now I am stepping little further into the > code but I am getting stuck at a point in cpu_init_f in start.S. > If the debugger has done the processor initialization part, trying to do the same in u-boot might cause problems. I'll suggest you to comment out the initialization from u-boot and try. Most probably, setting OR and BR registers in cpu_init_f might be the issue. Regards, Jayakrishnan _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot