[U-Boot] DDR setting, p1020 registers read

Hi

I have got a P1020 board similar to Freescale P1020 eval board RDB. If I put the DDR size as 512 uboot works fine. But if I make it as 1G which is the real size on the board then the uboot hangs.

Also is there any cli in uboot to read p1020 registers? I want to read GUTS_PORBMSR to check if HW has bootstrapping correctly done for booting two cores.

Thanks Avinash