> Yes, you could phrase it that way. According to the PPC440EPx manual, > the total memory size is calculated based on the following formula: > memsize = cs * (1 << (col+row)) * bank * dpath; > So, if both chipselects are used, we add an extra bit to the memory > address to distinguish between these chipselects. > There's nothing wrong with this part of the code. > The problem is that the controller is hardwired to use only one > chipselect, even if both are enabled in the DDR0_10 on PPC440EPx/GRx > processors. > So, the patch provides a workaround to always use single cs for > 440EPx/GRx (use predefined value instead of reading DDR0_10).
Mikhail, can you verify that Valentine's patch works for you ? Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list [email protected] https://ozlabs.org/mailman/listinfo/linuxppc-dev
