After writing this I think I found it, it was the ddr3_controller.mpd file which overwrites the parameters. I am going to check if now I have more allowable addresses.
El vie., 4 sept. 2020 a las 15:08, Sebastian Antonio Jorquera Tapia (< [email protected]>) escribió: > > Hello Casperites, > I know that the DRAM block in the ROACH2 is itself a trouble. I have tried > to make a model using the blocks in the casper-astro github but I couldn't > get any response of the block. > > In some thread of the mailing list I found the repo of the SMA where I > could use the DRAM without the PPC interface, but only works using the > addresses in the range (0-2^24) so using this implementation we could use > 603MB of the DRAM. > https://github.com/Smithsonian/mlib_devel > > Our ROACH2 has a m393b5773 memory stick, reading the datasheet it says > that this module has 3 banks, 15 rows and 10 columns. Poking around in the > pcores/ddr3_controller/hdl/verilog/ddr3_controller.v I found that > configuration has the same default parameters I mention. > But after compiled a model I look at the > XPS_ROACH2_base/hdl/system_ddr3_controller.v and I found that the row > address is now 14... So in some stage of the compilation the parameter is > re written. > > There is a reason for that, or it is just a bug? If its the second one, > there is any recommendation to where start to look at? > I dont think that its made by other hdl instantiation because in the > ddr3_conotrller file the 14 value is written using a number and not a > parameter. My main suspect is some matlab oop. > > -- > You received this message because you are subscribed to the Google Groups " > [email protected]" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/486133a4-67a6-4420-9df5-0c5afe9b5128n%40lists.berkeley.edu > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/486133a4-67a6-4420-9df5-0c5afe9b5128n%40lists.berkeley.edu?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAASoV%3DPYO8sGAAO3OgsOE7UdH5zsxhB%3D_G_qeRMm6CWc6MSxmg%40mail.gmail.com.
