Please refer to this step by step user guide about CodeWarrior flash programming for Power Architecture.
https://community.nxp.com/t5/CodeWarrior-Development-Tools/Flash-Programmer-for-CodeWarrior-Power-Ar...
Please download and install CodeWarrior 10.5.1 from the following link.
https://drive.google.com/file/d/18YIFeSnzZlcE1ZgSNUlTYM955gh9_B56/view?usp=sharing
1. Please configure your target board as hard-coded RCW if no valid RCW on the target board.
2. Please create a bareboard project with SRAM launch configuration selected.
3. Connect to the target board from Run > Debug Configurations.
4. Please execute the flash programming task.