I am trying to implement the MiG design without a DCM, but with a testbench so I can see through a LED if the initialisation of the physical DDR SDRAM suceeds.
I fixed the NGDBuild errors, it was a simple hierarchy consideration in the UCF file.
Now I am getting errors concercning buffers and DCM. With a DCM, I am giving the necessary clk_0, clk_200 and the shifted clk_90 to the memory interface.
I changed the outputs of the DCM from global clock buffers to local routing and now I only have 2 errors :
ERROR:NgdBuild:455 - logical net 'N0' has multiple driver(s): pin G on block XST_GND with type GND, pin PAD on block N0 with type PAD ERROR:NgdBuild:924 - input pad net 'N0' is driving non-buffer primitives: pin G on block XST_GND with type GND
How can I locate these errors? What part of ISE do I use to get more information?
By the way, this is my first project on FPGA prototyping board, so yes I am learning all at once, hehe.
It is great to see that this forum is very active, thanks again!