How to compile u-boot-2020.04.tar.bz2 to generate uboot image supporting PPC?

Hello,

I downloaded u-boot-2020.04.tar.bz2, but I unzipped it to ubuntu14.04 64bit and the following operation reported an error: make TQM823L_defconfigMakefile:37: *** missing separator. Stop.My current system information:uname -aLinux ubuntu 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/LinuxMy purpose is to compile this u-boot-2020.04.tar.bz2 to generate a uboot image of the powerpc P2020 processor (such as u-boot-2020.04\board\freescale\p1_p2_rdb_pc),Please give detailed instructions on how to compile and generate uboot image files?For example, which compiler toolchain is installed, what patches are needed (or which version of the system to use directly), and how to compile?thank you very much.