Increased the Microblaze performance for the VCU118 carrier:
- Increased the size of Instruction Cache and Data Cache to 64kB
Increased the Microblaze clock frequency:
- Using the DDR4 Controller to generate a new sys_mb_clk of 214 MHz to drive all the Microblaze interfaces at higher frequencies
Signed-off-by: Filip Gherman <Filip.Gherman@analog.com>
There are no external termination resistors on the VCU118 for the SGMII
clock lines. The board files enables them, but this was not reflected in the
constraint files.
Update vivado version to 2020.2:
- update default vivado version from 2020.1 to 2020.2
- add conditions to apply specific contraints only in Out Of Context mode.
- update DDR controler parameters for vcu118 and kcu105 dev boards
The DDR controller for C2 for is much closer to the transceivers which
connect to the FMCp connector so designs does not have to span over all
three SLRs just over two reducing implementation and timing closure effort.
Minimize skew on synchronous CDC timing paths between clocks originating
from the same MMCM source. (sys_mem_clk and sys_cpu_clk)
This is required mostly by the smart interconnect.
The CLOCK_DELAY_GROUP property must be applied directly to the output net of BUFGs.
For all the Xilinx base design, define three global clock nets, which
are saved in the following three global variable: $sys_cpu_clk, $sys_dma_clk
and $sys_iodelay_clk.
These clock nets are connected to different clock sources depending of
the FPGA architecture used on the carrier. In general the following
frequencies are used:
- sys_cpu_clk - 100MHz
- sys_dma_clk - 200MHz or 250Mhz
- sys_iodelay_clk - 200MHz or 500Mhz
Filip Gherman
Laszlo Nagy
stefan.raus
Arpadi
Istvan Csomortani
Adrian Costina