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* Merge pull request #928 from litghost/add_xc7_sim_modelsEddie Hung2019-04-123-41/+60
|\ | | | | Add additional cells sim models for core 7-series primitives.
| * Remove BUFGCTRL, BUFHCE and LUT6_2 from cells_xtra.Keith Rothman2019-04-123-52/+14
| | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * Fix LUT6_2 definition.Keith Rothman2019-04-091-3/+3
| | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * Add additional cells sim models for core 7-series primatives.Keith Rothman2019-04-091-0/+57
| | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* | Fixing issues in CycloneV cell simDiego2019-04-111-3/+9
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* xilinx: Add keep attribute where appropriateDavid Shah2019-03-222-25/+31
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Add Xilinx negedge FFs to synth_xilinx dffinit call, fixes #873Clifford Wolf2019-03-191-2/+4
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Remove ice40/cells_sim.v hack to avoid warning for blocking memory writesClifford Wolf2019-03-121-19/+0
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Fix typo in ice40_braminit help msgClifford Wolf2019-03-091-1/+1
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Merge pull request #859 from smunaut/ice40_braminitClifford Wolf2019-03-094-37/+212
|\ | | | | iCE40 BRAM primitives init from file
| * ice40: Run ice40_braminit pass by defaultSylvain Munaut2019-03-081-0/+1
| | | | | | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
| * ice40: Add ice40_braminit pass to allow initialization of BRAM from fileSylvain Munaut2019-03-083-37/+211
| | | | | | | | | | | | | | | | This adds a INIT_FILE attribute to the SB_RAM40_4K blocks that will initialize content from a hex file. Same behavior is imlemented in the simulation model and in a new pass for actual synthesis Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* | Add link to SF2 / igloo2 macro library guideClifford Wolf2019-03-071-21/+24
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | Improvements in sf2 cells_sim.vClifford Wolf2019-03-062-30/+251
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | Add sf2 techmap rules for more FF typesClifford Wolf2019-03-061-25/+39
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | Refactor SF2 iobuf insertion, Add clkint insertionClifford Wolf2019-03-063-83/+152
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | Improvements in SF2 flow and demoClifford Wolf2019-03-052-8/+23
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | Merge pull request #842 from litghost/merge_upstreamClifford Wolf2019-03-0510-176/+570
|\ \ | | | | | | Changes required for VPR place and route in synth_xilinx
| * | Revert BRAM WRITE_MODE changes.Keith Rothman2019-03-041-12/+12
| | | | | | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * | Revert FF models to include IS_x_INVERTED parameters.Keith Rothman2019-03-011-6/+34
| | | | | | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * | Use singular for disabling of DRAM or BRAM inference.Keith Rothman2019-03-011-13/+13
| | | | | | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * | Modify arguments to match existing style.Keith Rothman2019-03-011-6/+6
| | | | | | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * | Changes required for VPR place and route synth_xilinx.Keith Rothman2019-03-0111-221/+587
| | | | | | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* | | Merge pull request #850 from daveshah1/ecp5_warn_conflictClifford Wolf2019-03-051-2/+7
|\ \ \ | | | | | | | | ecp5: Demote conflicting FF init values to a warning
| * | | ecp5: Demote conflicting FF init values to a warningDavid Shah2019-03-041-2/+7
| |/ / | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* / / Use "write_edif -pvector bra" for Xilinx EDIF filesClifford Wolf2019-03-051-1/+1
|/ / | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | Fix ECP5 cells_sim for iverilogMiodrag Milanovic2019-03-011-2/+3
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* | Merge pull request #836 from elmsfu/ice40_2bit_ram_rw_modeClifford Wolf2019-02-281-2/+2
|\ \ | | | | | | ice40: use 2 bits for READ/WRITE MODE for SB_RAM map
| * | ice40: use 2 bits for READ/WRITE MODE for SB_RAM mapElms2019-02-281-2/+2
| |/ | | | | | | | | | | EBLIF output .param will only use necessary 2 bits Signed-off-by: Elms <elms@freshred.net>
* | Reduce amount of trailing whitespace in code baseLarry Doolittle2019-02-286-19/+19
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* | Merge pull request #794 from daveshah1/ecp5improveClifford Wolf2019-02-287-12/+388
|\ \ | |/ |/| ECP5 Improvements
| * ecp5: Compatibility with Migen AsyncResetSynchronizerDavid Shah2019-02-252-0/+20
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Add DDRDLLADavid Shah2019-02-191-0/+9
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Add DELAYF/DELAYG blackboxesDavid Shah2019-02-191-0/+18
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Add ECLKSYNCB blackboxDavid Shah2019-02-131-1/+7
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Full set of IO-related blackboxesDavid Shah2019-02-121-0/+102
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Support for flipflop initialisationDavid Shah2019-01-223-4/+199
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Add LSRMODE to flipflops for PRLD supportDavid Shah2019-01-211-7/+16
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: More blackboxesDavid Shah2019-01-211-0/+17
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Increase threshold for ALU mappingDavid Shah2019-01-211-1/+1
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | techlibs/greenpak4/cells_map.v: Harmonize whitespace within lut moduleLarry Doolittle2019-02-261-22/+22
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* | Clean up some whitepsace outliersLarry Doolittle2019-02-261-2/+2
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* | Merge pull request #740 from daveshah1/improve_dressClifford Wolf2019-02-222-3/+3
|\ \ | | | | | | Improve ABC netname preservation
| * | ecp5: Use abc -dressDavid Shah2019-02-061-2/+2
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | ice40: Use abc -dress in synth_ice40David Shah2019-02-061-1/+1
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
* | | Bugfix in ice40_dspClifford Wolf2019-02-212-20/+33
| | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | | Add ice40 test_dsp_map test case generatorClifford Wolf2019-02-202-0/+99
| | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | | Add "synth_ice40 -dsp"Clifford Wolf2019-02-201-3/+27
| | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | | Improve iCE40 SB_MAC16 modelClifford Wolf2019-02-205-121/+179
| | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | | Add first draft of functional SB_MAC16 modelClifford Wolf2019-02-194-53/+467
|/ / | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
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