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866 orpsocv2: correct build/par issue on Atlys board

From patch submission e-mail:

The first of the series is an issue that has been around since the
beginning (at least based on the svn log files) and traces its root to the
first Xilinx board supported by orpsocv2, the ML501. Apparently Makefile
for the final place-and-route process in all the builds contains a typo
which leads to the routing tool not using any timing constraint at all.

Patch by: Jason Zheng <jxzheng@gmail.com>
stekern 3659d 01h /openrisc/trunk/orpsocv2/boards/xilinx/
854 Add OR1200_OR32_LWS define to board specific or1200_defines.v stekern 4163d 02h /openrisc/trunk/orpsocv2/boards/xilinx/
677 atlys: add 2-clock synchronizer chain for ddr2_calib_done

The signal ddr2_calib_done signal comes from the ddr2 clock domain,
while wb_req is treating it as if it came from wb_clk domain. As a
result the timing analysis tool assumed a worst case scenario of 5ns
between the two domains and the results were miserable.

While we can argue that this is a multi-cycle path, the fact is that
ddr2_calib_done feeds into multiple logic sinks and can potentially
cause meta-stability issue in the design. The solution is to add a
2-clock meta-stability filter to address both the timing problems and
the meta-stability concern.

Signed-off-by: Jason Zheng <jxzheng@gmail.com>
Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Acked-by: Olof Kindgren <olof.kindgren@orsoc.se>
stekern 4449d 14h /openrisc/trunk/orpsocv2/boards/xilinx/
655 ORPSoC: add CFI flash controller to ml501, sw driver, tests, app, documentation julius 4571d 10h /openrisc/trunk/orpsocv2/boards/xilinx/
638 orpsoc: xilinx: use XILINX env variable

instead of rely on custom environment variables,
use the XILINX variable and instruct the user how to
source the scripts that set it.

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4626d 03h /openrisc/trunk/orpsocv2/boards/xilinx/
634 orpsoc: atlys: autoregenerate coregen cores

Instead of keeping binary .ngc files of the coregen
generated cores, use coregen to generate them from the .xco
and .cgp file
stekern 4631d 03h /openrisc/trunk/orpsocv2/boards/xilinx/
633 orpsoc: add Digilent Atlys spartan6 board README

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4631d 03h /openrisc/trunk/orpsocv2/boards/xilinx/
632 orpsoc: add Digilent Atlys spartan6 board sw include file

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4631d 03h /openrisc/trunk/orpsocv2/boards/xilinx/
631 orpsoc: add Digilent Atlys spartan6 board testbench

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4631d 03h /openrisc/trunk/orpsocv2/boards/xilinx/
630 orpsoc: add Digilent Atlys spartan6 board backend

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4631d 03h /openrisc/trunk/orpsocv2/boards/xilinx/
629 orpsoc: add Digilent Atlys spartan6 board or1ksim configuration

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4631d 03h /openrisc/trunk/orpsocv2/boards/xilinx/
628 orpsoc: add Digilent Atlys spartan6 board Makefiles

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4631d 03h /openrisc/trunk/orpsocv2/boards/xilinx/
627 orpsoc: add Digilent Atlys spartan6 board rtl

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4631d 03h /openrisc/trunk/orpsocv2/boards/xilinx/
568 OPRSoC - adding Xilinx Xtreme DSP Spartan-3A 1800A board port and documentation julius 4683d 20h /openrisc/trunk/orpsocv2/boards/xilinx/
563 Search for external cores in <board>/modules path olof 4696d 09h /openrisc/trunk/orpsocv2/boards/xilinx/
560 ORPSoC update - update make scripts, XILINX_PATH setup changes.

Note - may require a change to XILINX_PATH on user systems.
julius 4704d 08h /openrisc/trunk/orpsocv2/boards/xilinx/
542 ORPSoC scripts cleanup. Now centralised.

Documentation updated for ml501's SPI programming, noting issues with ISE12.
julius 4727d 11h /openrisc/trunk/orpsocv2/boards/xilinx/
530 ORPSoC update

Ethernet MAC Wishbone interface fixes

Beginnings of software update.

ML501 backend script fixes for new ISE
julius 4750d 21h /openrisc/trunk/orpsocv2/boards/xilinx/
503 ORPSoC's or1200 defines fix to indicate we don't actually have I/DMMU invalidate registers. julius 4794d 07h /openrisc/trunk/orpsocv2/boards/xilinx/
502 ORPSoC update - or1200, ethmac Xilinx fifos
or1200 in ORPSoC has carry bit, overflow bit, and range exception added and tested. New software tests in ORPSoC library. Ml501 build had ethmac fifos added, and or1200_defines updated to use these new or1200 features by default
julius 4796d 11h /openrisc/trunk/orpsocv2/boards/xilinx/

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