Hello,
There is no free/Special Edition available for CodeWarrior for Power Architecture (the tool supporting PowerQUICC III, e.g., MPC85xx family).
PowerQUICC III devices (MPC8540, MPC8548, MPC8560, MPC8572, etc.) are supported by CodeWarrior Development Studio for Power Architecture v10.x, which requires a paid license (Basic, Standard, or Professional suite).
The paid options through NXP are:
Regards