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CCI-400 is fixed configuration: 2 full ACE slave interfaces, 3 ACE-Lite I/O Coherent slave interfaces and 3 master interfaces. So if I only use 2 full ACE slave interfaces and 1 ACE-Lite slave interfaces, are the another 2 ACE-Lite slave interfaces wasted ?
See this: http://community.arm.com/groups/processors/blog/2013/10/14/amba-4-ace-and-hardware-cache-coherency--top-5-questions