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250 Commits

Author SHA1 Message Date
David Shah 79f14c7514 ice40/cells_sim.v: Fix sign of J and K partial products 
Signed-off-by: David Shah <dave@ds0.me>
 2019-07-19 17:33:41 +01:00
David Shah 3c84271543 ice40/cells_sim.v: LSB of A/B only signed in 8x8 mode 
Signed-off-by: David Shah <dave@ds0.me>
 2019-07-19 17:13:34 +01:00
Eddie Hung 171cd2ff73 Add tests for all combinations of A and B signedness for comb mul 2019-07-19 08:52:49 -07:00
Eddie Hung f7753720fe Don't copy ref if exists already 2019-07-19 08:45:35 -07:00
Eddie Hung bddd641290 Fix SB_MAC sim model -- do not sign extend internal products? 2019-07-18 21:03:54 -07:00
Eddie Hung 42e40dbd0a Merge remote-tracking branch 'origin/master' into ice40dsp 2019-07-18 15:45:25 -07:00
Eddie Hung 266c1ae122 synth_ice40 to decompose into 16x16 2019-07-18 15:38:09 -07:00
Clifford Wolf e66e8fb59d
Merge pull request #1184 from whitequark/synth-better-labels 
synth_{ice40,ecp5}: more sensible pass label naming
 2019-07-18 15:34:28 +02:00
Sylvain Munaut f28e38de99 ice40: Adapt the relut process passes to the new $lut <=> SB_LUT4 port map 
The new mapping introduced in 437fec0d88
needed matching adaptation when converting and optimizing LUTs during
the relut process

Fixes #1187

(Diagnosis of the issue by @daveshah1 on IRC)

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2019-07-16 23:57:15 +02:00
whitequark ba099bfe9b synth_{ice40,ecp5}: more sensible pass label naming. 2019-07-16 20:41:51 +00:00
Eddie Hung ba8ccbdea8
Merge pull request #1186 from YosysHQ/eddie/abc9_ice40_fix 
abc9/ice40: encapsulate SB_CARRY+SB_LUT4 into one box
 2019-07-16 08:52:14 -07:00
Eddie Hung 5fb27c071b $__ICE40_CARRY_LUT4 -> $__ICE40_FULL_ADDER as per @whitequark 2019-07-15 12:03:51 -07:00
Eddie Hung d032198fac ice40_opt to $__ICE40_CARRY_LUT4 into $lut not SB_LUT 2019-07-13 01:11:00 -07:00
Eddie Hung 7a912f22b2 Use Const::from_string() not its constructor... 2019-07-12 01:32:10 -07:00
Eddie Hung 28274dfb09 Off by one 2019-07-12 01:17:53 -07:00
Eddie Hung e0e5d7d68e Fix spacing 2019-07-12 01:15:22 -07:00
Eddie Hung 4de03bd5e6 Remove double push 2019-07-12 01:08:48 -07:00
Eddie Hung 62ac5ebd02 Map to and from this box if -abc9 2019-07-12 00:53:01 -07:00
Eddie Hung 0f5bddcd79 ice40_opt to handle this box and opt back to SB_LUT4 2019-07-12 00:52:31 -07:00
Eddie Hung a79ff2501e Add new box to cells_sim.v 2019-07-12 00:52:19 -07:00
Eddie Hung c6e16e1334 _ABC macro will map and unmap to this new box 2019-07-12 00:51:37 -07:00
Eddie Hung fc3d74616f Combine SB_CARRY+SB_LUT into one $__ICE40_CARRY_LUT4 box 2019-07-12 00:50:42 -07:00
whitequark b700a4b1c5 synth_ice40: switch -relut to be always on. 2019-07-11 20:18:41 +00:00
whitequark a8c5f7f41e synth_ice40: fix help text typo. NFC. 2019-07-11 20:18:41 +00:00
Eddie Hung 6bbd286e03 Error out if -abc9 and -retime specified 2019-07-10 12:47:48 -07:00
Eddie Hung 03705f69f4 Update synth_ice40 -device doc to be relevant for -abc9 only 2019-06-28 09:49:01 -07:00
Eddie Hung af8a5ae5fe Extraneous newline 2019-06-27 16:12:20 -07:00
Eddie Hung 4daa746797 Remove noise from ice40/cells_sim.v 2019-06-27 16:11:39 -07:00
Eddie Hung 9398921af1 Refactor for one "abc_carry" attribute on module 2019-06-27 16:07:14 -07:00
David Shah 0dd850e655 abc9: Add wire delays to synth_ice40 
Signed-off-by: David Shah <dave@ds0.me>
 2019-06-26 11:39:44 +01:00
Eddie Hung 63182ed57d Fix and cleanup ice40 boxes for carry in/out 2019-06-22 14:27:41 -07:00
Eddie Hung e612dade12 Merge remote-tracking branch 'origin/master' into xaig 2019-06-20 19:00:36 -07:00
acw1251 ce29ede801 Fixed small typo in ice40_unlut help summary 2019-06-19 16:39:46 -04:00
acw1251 0d888ee7ed Fixed the help summary line for a few commands 2019-06-19 15:27:04 -04:00
Eddie Hung 97d2656375 Resolve comments from @daveshah1 2019-06-14 12:00:02 -07:00
Eddie Hung ee428f73ab Remove WIP ABC9 flop support 2019-06-14 10:37:52 -07:00
Eddie Hung 627a62a797 Make doc consistent 2019-06-14 10:32:46 -07:00
Eddie Hung 2052806d33 Fix LP SB_LUT4 timing 2019-06-13 08:24:33 -07:00
Eddie Hung f9433cc34b Remove abc_flop{,_d} attributes from ice40/cells_sim.v 2019-06-12 09:29:30 -07:00
Eddie Hung 352c532bb2 Merge remote-tracking branch 'origin/master' into xc7mux 2019-06-10 11:02:54 -07:00
Simon Schubert abf90b0403 ice40/cells_sim.v: Add support for RGB_DRV/LED_DRV_CUR for u4k 2019-06-10 11:49:08 +02:00
Eddie Hung 0092770317 Make SB_LUT4 a whitebox, SB_DFF a blackbox (for now) 2019-06-03 12:34:55 -07:00
Eddie Hung 4da25c76b3 Ooopsie 2019-06-03 09:33:42 -07:00
Eddie Hung 9f44a71715 Consistent with xilinx 2019-06-03 09:23:43 -07:00
Eddie Hung eb08e71bd1 Merge branch 'xaig' into xc7mux 2019-05-31 13:03:03 -07:00
Eddie Hung fb09c6219b Merge remote-tracking branch 'origin/master' into xc7mux 2019-05-21 14:21:00 -07:00
Sylvain Munaut 4f9183d107 ice40/cells_sim.v: Add support for TRIM input to SB_HFOSC 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2019-05-13 12:51:06 +02:00
Clifford Wolf 373b236108
Merge pull request #969 from YosysHQ/clifford/pmgenstuff 
Improve pmgen, Add "peepopt" pass with shift-mul pattern
 2019-05-03 20:39:50 +02:00
Eddie Hung 8829cba901 Merge remote-tracking branch 'origin/clifford/pmgenstuff' into xc7mux 2019-05-02 11:25:34 -07:00
Eddie Hung 5cd19b52da Merge remote-tracking branch 'origin/master' into xc7mux 2019-05-02 10:44:59 -07:00
Clifford Wolf d2d402e625 Run "peepopt" in generic "synth" pass and "synth_ice40" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-30 08:10:37 +02:00
Eddie Hung 1ea6d7920f Cleanup ice40 2019-04-26 14:31:59 -07:00
Eddie Hung 91c3afcab7 Use nonblocking 2019-04-23 13:42:06 -07:00
Eddie Hung 4883391b63 Merge remote-tracking branch 'origin/master' into xaig 2019-04-22 11:19:52 -07:00
Eddie Hung d7f0700bae Convert to use #945 2019-04-21 15:19:02 -07:00
Luke Wren 71da836300 ice40 cells_sim.v: SB_IO: update clock enable behaviour based on hardware experiments 2019-04-21 21:40:11 +01:00
Eddie Hung af4652522f ABC_FLOPS -> ABC_MODEL -- only whitebox if ABC_MODEL set 2019-04-19 21:09:55 -07:00
Eddie Hung 2776925bcf Make SB_DFF whitebox 2019-04-19 08:36:38 -07:00
Eddie Hung 19b660ff6e Fix SB_DFF comb model 2019-04-18 23:07:16 -07:00
Eddie Hung 0919f36b88 Missing close bracket 2019-04-18 17:50:11 -07:00
Eddie Hung cf66416110 Annotate SB_DFF* with abc_flop and abc_box_id 2019-04-18 17:46:53 -07:00
Eddie Hung ca1eb98a97 Add SB_DFF* to boxes 2019-04-18 17:46:32 -07:00
Eddie Hung 4c327cf316 Use new -wb flag for ABC flow 2019-04-18 10:32:41 -07:00
Eddie Hung 9278192efe Also update Makefile.inc 2019-04-18 09:58:34 -07:00
Eddie Hung 7b6ab937c1 Make SB_LUT4 a blackbox 2019-04-18 09:05:22 -07:00
Eddie Hung 8024f41897 Fix rename 2019-04-18 09:04:34 -07:00
Eddie Hung ed5e75ed7d Rename to abc_*.{box,lut} 2019-04-18 09:02:58 -07:00
Eddie Hung 8fd455c910 Update Makefile.inc too 2019-04-17 15:19:48 -07:00
Eddie Hung c795e14d25 Reduce to three devices: hx, lp, u 2019-04-17 15:19:02 -07:00
Eddie Hung 5c0853fc51 Add up5k timings 2019-04-17 15:10:39 -07:00
Eddie Hung 3105a8a653 Update error message 2019-04-17 15:07:44 -07:00
Eddie Hung 6f3e5297db Add "-device" argument to synth_ice40 2019-04-17 15:04:46 -07:00
Eddie Hung 671cca59a9 Missing abc_flop_q attribute on SPRAM 2019-04-17 14:44:08 -07:00
Eddie Hung 437fec0d88 Map to SB_LUT4 from fastest input first 2019-04-17 13:01:17 -07:00
Eddie Hung 58847df1b9 Mark seq output ports with "abc_flop_q" attr 2019-04-17 12:27:45 -07:00
Eddie Hung 1eade06671 Also update Makefile.inc 2019-04-17 12:27:02 -07:00
Eddie Hung 4fb9ccfcd8 synth_ice40 to use renamed files 2019-04-17 12:22:03 -07:00
Eddie Hung 42c33db22c Rename to abc.* 2019-04-17 12:15:34 -07:00
Eddie Hung c1ebe51a75 Revert "Try using an ICE40_CARRY_LUT primitive to avoid ABC issues" 
This reverts commit a7632ab332.
 2019-04-17 11:10:20 -07:00
Eddie Hung a7632ab332 Try using an ICE40_CARRY_LUT primitive to avoid ABC issues 2019-04-17 11:10:04 -07:00
Eddie Hung 17fb6c3522 Fix spacing 2019-04-17 08:40:50 -07:00
Eddie Hung 743c164eee Add SB_LUT4 to box library 2019-04-16 17:34:11 -07:00
Eddie Hung 7980118d74 Add ice40 box files 2019-04-16 16:39:30 -07:00
Eddie Hung bca3cf6843 Merge branch 'master' into xaig 2019-04-08 16:31:59 -07:00
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
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
Eddie Hung f7c7003a19 Merge remote-tracking branch 'origin/master' into xaig 2019-02-26 13:16:03 -08:00
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
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
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 7ef2333497 ice40: Use abc -dress in synth_ice40 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-02-06 22:23:13 +01:00