I am so sorry for my former mess email submission. I am new to mail list . Now I am porting u-boot to my customized board with MPC7410 and GT64260.Andits memory map is as follows: SCS0 00000000-0x1fffffff PCI_0 I/O e0000000-e0ffffff PCI_0 M0 d0000000-dfffffff PCI_0 M1 40000000-41ffffff PCI_0 M2 90000000-91ffffff PCI_0 M3 reserve PCI_1 I/O e8000000-efffffff PCI_1 M0 b0000000-bfffffff PCI_1 M1 c0000000-cffffffff PCI_1 M2 reserve PCI_1 M3 reserve GT register f1000000-f100ffff CS0 fd000000-fdffffff flash CS1 fe000000-feffffff flash CS2 f4000000-f4000fff duart rtc CS3 f5000000-f5007fff nvram BOOTCS ff000000-ffffffff flash I wonder which reference board is suitable for mine.Hope any advice.thankyou. And I dont understand the marco in /include/config/evb64260.h file #define CFG_DFT_GT_REGS 0x14000000 Any one can explain it?

Thanks again!