Hello,
The MC1322x MAC ARM7 codebase require IAR EWARM version 5.11. You are using 5.20 which contains changes in the linker.
The 5.11 evaluation version of EWARM for Freescale:
browse to -- www.iar.com
click -- Products
click -- Compilers and debuggers
click (in left column) -- ARM
click (in left column) -- Version 5.11
click (in right column) -- Evaluation edition for Freescale ZigBee solutions
Regards,
Adrian