[U-Boot] Porting u-boot for MPC8280 based Board by taking MPC8260ads reference, Its hanging at some point

Dear sir,

I'm porting u-boot for mpc8280 based CPU board by taking mpc8260ads reference, its hanging at some some point. i enabled debug mode.

U-Boot 1.3.1 (Aug 8 2012 - 09:19:16)

MPC8260 Reset Status: Check Stop, External Soft, External Hard

MPC8260 Clock Configuration - Bus-to-Core Mult 2.5x, VCO Div 4, 60x Bus Freq 20-60 , Core Freq 50-120 - dfbrg 1, corecnf 0x11, busdf 3, cpmdf 1, plldf 0, pllmf 3, pcidf 3 - vco_out 400000000, scc_clk 100000000, brg_clk 25000000 - cpu_clk 250000000, cpm_clk 200000000, bus_clk 100000000

CPU: MPC8260 (HiP7 Rev 14, Mask 1.0 1K49M) at 250 MHz Board: MPC8280 Based Remote IO CARD.Testing By Thiru N............... I2C: ready DRAM: 512 MB Top of RAM usable for U-Boot at: 20000000 Reserving 187k for U-Boot at: 1ffd1000 Reserving 192k for malloc() at: 1ffa1000 Reserving 76 Bytes for Board Info at: 1ffa0fb4 Reserving 72 Bytes for Global Data at: 1ffa0f6c Stack Pointer at: 1ffa0f48 New Stack Pointer is: 1ffa0f48

please can you suggest me to fix this issue.

for your reference

Clock frequency 100MHz Boot flash 512KB userflash 512MB SDRAM 512MB

Thanks & Regards Thiru N