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AR# 29920

9.2i EDK SP2 - lmb_bram_if_cntlr_v2_10_a, C-MASK value set incorrectly in Multiprocessor system


The LMB Controller C_MASK value set is incorrectly in the system with MB and PPC on PLBv46 bus, and this causes LMB address space to wrap into PLB address space. 


The incorrect C_MASK is caused by an error in PopulateAddrSeq, which results in the function not finding the slaves connected to the PLBv46 bus, but instead finding the PPC master. The error can only occur in multiprocessor systems where MB and one or more PPC are connected on the same PLBv46 bus.


The issue has been fixed and is available in EDK 9.2i Service Pack 2 at:  


AR# 29920
Date Created 12/10/2007
Last Updated 05/22/2014
Status Archive
Type General Article