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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 3809d 07h /openrisc/trunk/orpsocv2/boards/xilinx
854 Add OR1200_OR32_LWS define to board specific or1200_defines.v stekern 4313d 08h /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 4599d 20h /openrisc/trunk/orpsocv2/boards/xilinx
655 ORPSoC: add CFI flash controller to ml501, sw driver, tests, app, documentation julius 4721d 16h /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 4776d 09h /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 4781d 09h /openrisc/trunk/orpsocv2/boards/xilinx
633 orpsoc: add Digilent Atlys spartan6 board README

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4781d 09h /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 4781d 09h /openrisc/trunk/orpsocv2/boards/xilinx
631 orpsoc: add Digilent Atlys spartan6 board testbench

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4781d 09h /openrisc/trunk/orpsocv2/boards/xilinx
630 orpsoc: add Digilent Atlys spartan6 board backend

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4781d 09h /openrisc/trunk/orpsocv2/boards/xilinx
629 orpsoc: add Digilent Atlys spartan6 board or1ksim configuration

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4781d 09h /openrisc/trunk/orpsocv2/boards/xilinx
628 orpsoc: add Digilent Atlys spartan6 board Makefiles

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4781d 09h /openrisc/trunk/orpsocv2/boards/xilinx
627 orpsoc: add Digilent Atlys spartan6 board rtl

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4781d 09h /openrisc/trunk/orpsocv2/boards/xilinx
568 OPRSoC - adding Xilinx Xtreme DSP Spartan-3A 1800A board port and documentation julius 4834d 02h /openrisc/trunk/orpsocv2/boards/xilinx
563 Search for external cores in <board>/modules path olof 4846d 15h /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 4854d 14h /openrisc/trunk/orpsocv2/boards/xilinx
542 ORPSoC scripts cleanup. Now centralised.

Documentation updated for ml501's SPI programming, noting issues with ISE12.
julius 4877d 17h /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 4901d 03h /openrisc/trunk/orpsocv2/boards/xilinx
503 ORPSoC's or1200 defines fix to indicate we don't actually have I/DMMU invalidate registers. julius 4944d 13h /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 4946d 18h /openrisc/trunk/orpsocv2/boards/xilinx
500 ORPSoC's System C UART model can now accept input from stdin during simulation to drive consoles etc

ML501 simulation makefile update to allow custom ELFs to be specified
julius 4947d 21h /openrisc/trunk/orpsocv2/boards/xilinx
499 ORPSoC OR1200 updates - added l.ext instructions with tests, ammended some MAC bugs, decode stage cleanup julius 4948d 14h /openrisc/trunk/orpsocv2/boards/xilinx
496 ORPSoC ml501 updates - increased frequency, updated documentation julius 4951d 00h /openrisc/trunk/orpsocv2/boards/xilinx
492 ORPSoC VPI interface for modelsim and documentation update julius 4965d 01h /openrisc/trunk/orpsocv2/boards/xilinx
486 ORPSoC updates, mainly software, i2c driver julius 4977d 22h /openrisc/trunk/orpsocv2/boards/xilinx
485 ORPSoC updates - or1200 monitor now has separate defines file, ethmac updates to fifos and wishbone IF, board.h changes for UART (may propegate to other drivers with multiple cores, we'll see), crt0.S for or1200 now zeros all registers on reset, adding own ethernet tests for ML501 julius 4982d 03h /openrisc/trunk/orpsocv2/boards/xilinx
480 ORPSoC updates - ml501 project cleanups, DDR2 cache bug fixes. julius 4999d 07h /openrisc/trunk/orpsocv2/boards/xilinx
479 ORPSoC update to ml501 board port. Memory controller caching fixed up, does multiple lines of cache and Wishbone bursting. julius 5000d 07h /openrisc/trunk/orpsocv2/boards/xilinx
478 ORPSoC update - ml501 or1200 cache configuration set to maximum, some cleanups. julius 5001d 22h /openrisc/trunk/orpsocv2/boards/xilinx
475 ORPSoC main simulation makefile tidy up, addition of BSS test to cbasic test, addition or o1ksim config files for each board build, modification of BSS symbols in linker script and crt0. julius 5003d 02h /openrisc/trunk/orpsocv2/boards/xilinx

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