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1567 Commits

Author SHA1 Message Date
Diego H 266993408a Refactoring memory attribute matching based on IEEE 1364.1 and Tool specific 2019-12-13 15:43:24 -06:00
Eddie Hung 52875b0d61
Merge pull request #1533 from dh73/bram_xilinx 
Adjust Xilinx xc7/xcu BRAM min bits threshold for RAMB18E1
 2019-12-13 12:01:03 -08:00
Diego H 751a18d7e9 Fixing citation in xc7_xcu_brams.txt file. Fixing RAMB36E1 test. 2019-12-12 17:32:58 -06:00
Eddie Hung 9ab1feeaf1 abc9_map.v: fix Xilinx LUTRAM 2019-12-12 14:56:52 -08:00
Diego H 937ec1ee78 Updating RAMB36E1 thresholds. Adding test for both RAMB18E1/RAMB36E1 2019-12-12 13:50:36 -06:00
Diego H ab6ac8327f Merge https://github.com/YosysHQ/yosys into bram_xilinx 2019-12-12 13:40:05 -06:00
Eddie Hung f022645cd2 Fix bitwidth mismatch; suppresses iverilog warning 2019-12-11 13:02:07 -08:00
David Shah 613334d9dc
Merge pull request #1564 from ZirconiumX/intel_housekeeping 
Intel housekeeping
 2019-12-11 08:46:10 +00:00
Dan Ravensloft 85a14895ca synth_intel: a10gx -> arria10gx 2019-12-10 13:48:10 +00:00
Dan Ravensloft eab3272cde synth_intel: cyclone10 -> cyclone10lp 2019-12-10 13:47:58 +00:00
Eddie Hung 7e5602ad17
Merge pull request #1545 from YosysHQ/eddie/ice40_wrapcarry_attr 
Preserve SB_CARRY name and attributes when using $__ICE40_CARRY_WRAPPER
 2019-12-09 17:38:48 -08:00
Eddie Hung fb203d2a2c ice40_opt to restore attributes/name when unwrapping 2019-12-09 14:29:29 -08:00
Eddie Hung 500ed9b501 Sensitive to direct inst of $__ICE40_CARRY_WRAPPER; recreate SB_LUT4 2019-12-09 12:45:22 -08:00
Eddie Hung e05372778a ice40_wrapcarry to really preserve attributes via -unwrap option 2019-12-09 11:48:28 -08:00
Marcin Kościelnicki fcce94010f
xilinx: Add tristate buffer mapping. (#1528) 
Fixes #1225.
 2019-12-04 09:44:00 +01:00
Marcin Kościelnicki 10014e2643
xilinx: Add models for LUTRAM cells. (#1537) 2019-12-04 06:31:09 +01:00
Eddie Hung ed3f359175 $__ICE40_CARRY_WRAPPER to use _TECHMAP_REPLACE_ for SB_CARRY to preserve 
name and attr
 2019-12-03 14:49:10 -08:00
Eddie Hung 1ea9ce0ad7 ice40_opt to ignore (* keep *) -ed cells 2019-12-03 14:48:39 -08:00
Clifford Wolf 2ec6d832dc
Merge pull request #1524 from pepijndevos/gowindffinit 
Gowin: add and test DFF init values
 2019-12-03 08:43:18 -08:00
Pepijn de Vos a3b25b4af8 Use -match-init to not synth contradicting init values 2019-12-03 15:12:25 +01:00
Marcin Kościelnicki 2badaa9adb xilinx: Add missing blackbox cell for BUFPLL. 2019-11-29 16:56:27 +01:00
Diego H 3a5a65829c Adjusting Vivado's BRAM min bits threshold for RAMB18E1 2019-11-27 12:05:04 -06:00
Marcin Kościelnicki 0466c48533 xilinx: Add simulation models for IOBUF and OBUFT. 2019-11-26 08:15:20 +01:00
Marcin Kościelnicki 6cdea425b8 clkbufmap: Add support for inverters in clock path. 2019-11-25 20:40:39 +01:00
Marcin Kościelnicki 7562e7304e xilinx: Use INV instead of LUT1 when applicable 2019-11-25 20:40:39 +01:00
Pepijn de Vos 72d03dc910 attempt to fix formatting 2019-11-25 14:50:34 +01:00
Pepijn de Vos 6c79abbf5a gowin: add and test dff init values 2019-11-25 14:33:21 +01:00
Martin Pietryka 97b22413e5 coolrunner2: remove spurious log_pop() call, fixes #1463 
This was causing a segmentation fault because there is no accompanying
log_push() call so header_count.size() became -1.

Signed-off-by: Martin Pietryka <martin@pietryka.at>
 2019-11-23 06:21:40 +01:00
Marcin Kościelnicki 1d098b7195 gowin: Add missing .gitignore entries 2019-11-22 14:40:36 +01:00
Clifford Wolf 7ea0a5937b
Merge pull request #1449 from pepijndevos/gowin 
Improvements for gowin support
 2019-11-19 17:29:27 +01:00
Pepijn de Vos 8ab412eb16 Remove dff init altogether 
The hardware does not actually support it.
In reality it is always initialised to its reset value.
 2019-11-19 15:53:44 +01:00
Marcin Kościelnicki 7a9081440c xilinx: Add simulation models for MULT18X18* and DSP48A*. 
This adds simulation models for the following primitives:

- MULT18X18 and MULT18X18S (Virtex 2*, Spartan 3)
- MULT18X18SIO (Spartan 3E, Spartan 3A)
- DSP48A (Spartan 3A DSP) — implemented in terms of DSP48A1
- DSP48A1 (Spartan 6)
 2019-11-19 01:00:58 +01:00
Pepijn de Vos dd8c7e1ddd add help for nowidelut and abc9 options 2019-11-18 14:26:09 +01:00
Pepijn de Vos 32f0296df1 Merge branch 'master' of https://github.com/YosysHQ/yosys into gowin 2019-11-16 12:43:17 +01:00
David Shah 51e4e29bb1 ecp5: Use new autoname pass for better cell/net names 
Signed-off-by: David Shah <dave@ds0.me>
 2019-11-15 21:03:11 +00:00
Clifford Wolf e907ee4fde
Merge pull request #1490 from YosysHQ/clifford/autoname 
Add "autoname" pass and use it in "synth_ice40"
 2019-11-14 18:03:44 +01:00
Clifford Wolf 056ef76711
Merge pull request #1465 from YosysHQ/dave/ice40_timing_sim 
ice40: Support for post-place-and-route timing simulations
 2019-11-14 12:07:25 +01:00
Clifford Wolf 07c854b7af Add "autoname" pass and use it in "synth_ice40" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-11-13 13:41:16 +01:00
Pepijn de Vos ab8c521030 fix fsm test with proper clock enable polarity 2019-11-11 17:51:26 +01:00
Pepijn de Vos ec3faa7b96 Merge branch 'master' of https://github.com/YosysHQ/yosys into gowin 2019-11-11 17:08:40 +01:00
Clifford Wolf 362f4f996d Do not map $eq and $ne in cmp2lut, only proper arithmetic cmp 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-11-11 15:07:29 +01:00
Pepijn de Vos 0e5dbc4abc fix wide luts 2019-11-06 19:48:18 +01:00
Marcin Kościelnicki c4bd318e76 synth_xilinx: Merge blackbox primitive libraries. 
First, there are no longer separate cell libraries for xc6s/xc7/xcu.
Manually instantiating a primitive for a "wrong" family will result
in yosys passing it straight through to the output, and it will be
either upgraded or rejected by the P&R tool.

Second, the blackbox library is expanded to cover many more families:
everything from Spartan 3 up is included.  Primitives for Virtex and
Virtex 2 are listed in the Python file as well if we ever want to
include them, but that would require having two different ISE versions
(10.1 and 14.7) available when running cells_xtra.py, and so is probably
more trouble than it's worth.

Third, the blockram blackboxes are no longer in separate files — there
is no practical reason to do so (from synthesis PoV, they are no
different from any other cells_xtra blackbox), and they needlessly
complicated the flow (among other things, merging them allows the user
to use eg. Series 7 primitives and have them auto-upgraded to
Ultrascale).

Last, since xc5v logic synthesis appears to work reasonably well
(the only major problem is lack of blockram inference support), xc5v is
now an accepted setting for the -family option.
 2019-11-06 15:11:27 +01:00
Pepijn de Vos 0f6269b04c add IOBUF 2019-10-28 15:33:05 +01:00
Pepijn de Vos 903f997391 add tristate buffer and test 2019-10-28 15:18:01 +01:00
Pepijn de Vos 2f5e9e9885 More formatting 2019-10-28 13:10:12 +01:00
Pepijn de Vos c1921b4561 really really fix formatting maybe 2019-10-28 13:01:20 +01:00
Pepijn de Vos 293b2c2de5 undo formatting fuckup 2019-10-28 12:57:12 +01:00
Pepijn de Vos f88335a8a5 add wide luts 2019-10-28 12:49:08 +01:00
Pepijn de Vos 5fad53b504 add 32-bit BRAM and byte-enables 2019-10-28 10:33:27 +01:00