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633 Commits

Author SHA1 Message Date
Eddie Hung 3e368593eb Add cells.lut to techlibs/xilinx/ 2019-04-09 14:33:37 -07:00
Eddie Hung fd88ab5c83 synth_xilinx to call abc with -lut +/xilinx/cells.lut 2019-04-09 14:32:39 -07:00
Eddie Hung b9e19071b8 Add delays to cells.box 2019-04-09 14:32:10 -07:00
Eddie Hung f2042fc7c4 synth_xilinx with abc9 to use -box 2019-04-09 11:01:46 -07:00
Eddie Hung 2ae26b986c Add techlibs/xilinx/cells.box 2019-04-09 10:58:58 -07:00
Eddie Hung 3fc474aa73 Add support for synth_xilinx -abc9 and ignore abc9 -dress opt 2019-04-09 10:06:44 -07:00
Eddie Hung bca3cf6843 Merge branch 'master' into xaig 2019-04-08 16:31:59 -07:00
David Shah 46f6a60d58 xilinx: Add keep attribute where appropriate 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-22 13:57:17 +00:00
Clifford Wolf fe1fb1336b Add Xilinx negedge FFs to synth_xilinx dffinit call, fixes #873 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-03-19 20:30:28 +01:00
Clifford Wolf 9284cf92b8 Remove ice40/cells_sim.v hack to avoid warning for blocking memory writes 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-03-12 20:14:18 +01:00
Clifford Wolf ff4c2a14ae Fix typo in ice40_braminit help msg 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-03-09 13:24:55 -08:00
Clifford Wolf 2ace1b0041
Merge pull request #859 from smunaut/ice40_braminit 
iCE40 BRAM primitives init from file
 2019-03-09 13:24:10 -08:00
Sylvain Munaut 5b6f591033 ice40: Run ice40_braminit pass by default 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2019-03-08 00:15:46 +01:00
Sylvain Munaut e71055cfe8 ice40: Add ice40_braminit pass to allow initialization of BRAM from file 
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>
 2019-03-08 00:15:46 +01:00
Clifford Wolf 350dfd3745 Add link to SF2 / igloo2 macro library guide 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-03-07 09:08:26 -08:00
Clifford Wolf 8b0719d1e3 Improvements in sf2 cells_sim.v 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-03-06 16:18:49 -08:00
Clifford Wolf 2d2c1617ee Add sf2 techmap rules for more FF types 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-03-06 15:47:54 -08:00
Clifford Wolf 78762316aa Refactor SF2 iobuf insertion, Add clkint insertion 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-03-06 00:41:02 -08:00
Clifford Wolf da5181a3df Improvements in SF2 flow and demo 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-03-05 20:36:00 -08:00
Clifford Wolf bfcd46dbd3
Merge pull request #842 from litghost/merge_upstream 
Changes required for VPR place and route in synth_xilinx
 2019-03-05 15:33:19 -08:00
Clifford Wolf 724576a4e2
Merge pull request #850 from daveshah1/ecp5_warn_conflict 
ecp5: Demote conflicting FF init values to a warning
 2019-03-05 15:23:01 -08:00
Clifford Wolf 13844c7658 Use "write_edif -pvector bra" for Xilinx EDIF files 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-03-05 15:16:13 -08:00
Keith Rothman 228f132ec3 Revert BRAM WRITE_MODE changes. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2019-03-04 09:22:22 -08:00
David Shah 777864d02e ecp5: Demote conflicting FF init values to a warning 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-04 11:26:20 +00:00
Keith Rothman 3e16f75bc6 Revert FF models to include IS_x_INVERTED parameters. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2019-03-01 14:41:21 -08:00
Keith Rothman 5ebeca12eb Use singular for disabling of DRAM or BRAM inference. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2019-03-01 14:35:14 -08:00
Keith Rothman eccaf101d8 Modify arguments to match existing style. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2019-03-01 12:14:27 -08:00
Keith Rothman 3090951d54 Changes required for VPR place and route synth_xilinx. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2019-03-01 12:02:27 -08:00
Miodrag Milanovic ca2b3feed8 Fix ECP5 cells_sim for iverilog 2019-03-01 19:25:23 +01:00
Clifford Wolf a82a7eb42e
Merge pull request #836 from elmsfu/ice40_2bit_ram_rw_mode 
ice40: use 2 bits for READ/WRITE MODE for SB_RAM map
 2019-02-28 20:27:27 -08:00
Elms cd2902ab1f ice40: use 2 bits for READ/WRITE MODE for SB_RAM map 
EBLIF output .param will only use necessary 2 bits

Signed-off-by: Elms <elms@freshred.net>
 2019-02-28 16:23:40 -08:00
Larry Doolittle e2fc18f27b Reduce amount of trailing whitespace in code base 2019-02-28 14:58:11 -08:00
Clifford Wolf 41e5028f98
Merge pull request #794 from daveshah1/ecp5improve 
ECP5 Improvements
 2019-02-28 14:46:56 -08:00
Eddie Hung f7c7003a19 Merge remote-tracking branch 'origin/master' into xaig 2019-02-26 13:16:03 -08:00
Larry Doolittle 7a40294e93 techlibs/greenpak4/cells_map.v: Harmonize whitespace within lut module 2019-02-26 09:40:46 -08:00
Larry Doolittle 61fc411c5d Clean up some whitepsace outliers 2019-02-26 09:39:46 -08:00
David Shah fa2f595cfa ecp5: Compatibility with Migen AsyncResetSynchronizer 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-02-25 13:24:30 +00:00
Clifford Wolf 344afdcd5f
Merge pull request #740 from daveshah1/improve_dress 
Improve ABC netname preservation
 2019-02-22 01:16:34 +01:00
Eddie Hung a8803a1519 Merge remote-tracking branch 'origin/master' into xaig 2019-02-21 11:23:00 -08:00
Clifford Wolf 2fe1c830eb Bugfix in ice40_dsp 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-02-21 13:28:46 +01:00
Eddie Hung 45ddd9066e synth to take -abc9 argument 2019-02-20 11:08:49 -08:00
Clifford Wolf 84999a7e68 Add ice40 test_dsp_map test case generator 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-02-20 17:18:59 +01:00
Clifford Wolf 218e9051bb Add "synth_ice40 -dsp" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-02-20 16:42:27 +01:00
Clifford Wolf 7bf4e4a185 Improve iCE40 SB_MAC16 model 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-02-20 12:55:20 +01:00
Eddie Hung f9af902532 Merge branch 'master' into xaig 2019-02-19 14:20:04 -08:00
David Shah bb56cb738d ecp5: Add DDRDLLA 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-02-19 19:34:37 +00:00
David Shah c36f15b489 ecp5: Add DELAYF/DELAYG blackboxes 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-02-19 14:10:43 +00:00
Clifford Wolf 62493c91b2 Add first draft of functional SB_MAC16 model 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-02-19 14:47:27 +01:00
Eddie Hung 323dd0e608 synth_ice40 to have new -abc9 arg 2019-02-14 13:19:27 -08:00
David Shah e0bc190879 ecp5: Add ECLKSYNCB blackbox 
Signed-off-by: David Shah <dave@ds0.me>
 2019-02-13 11:23:25 +00:00