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PCI bus is not used in MPC8378

Question asked by Rajesha Narasimha on Nov 8, 2016
Latest reply on Nov 9, 2016 by Rajesha Narasimha

Hi,

 

I am using MPC8378 processor in legacy design. MPC8378 PCI bus is not used in the design and all PCI Address lines were kept open in the design. We have initialized the RCWHR[PCIHOST] = 1 & RCWHR[PCIARB] = 1 in software. We haven't initialized the PCIACR[PM] = 1 or PCI_GCR[BBR] = 1 in software. Now we don't have opportunity to update the software. Is there any impact if we keep default value to PCIACR[PM] & PCI_GCR[BBR] in software?

Thanks for your support.

 

Regards,

Rajesh

Honeywell-Bangalore

 

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