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Code Activity
14332 commits 122 branches 59 tags 72 MiB
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356 commits

Author SHA1 Message Date
Eddie Hung
4d71ab384d Rename according to vendor doc TN1295 2019-07-22 15:08:26 -07:00
Eddie Hung
5e70b8a22b opt and wreduce necessary for -dsp 2019-07-22 13:48:33 -07:00
Eddie Hung
47fd042b9f Indirection via $__soft_mul 2019-07-19 20:20:33 -07:00
Eddie Hung
3dc3c749d5 Add DSP_MINWIDTH=11 for ice40 since ice40_dsp uses this threshold 2019-07-19 11:41:00 -07:00
Eddie Hung
d439a830c6 Merge remote-tracking branch 'origin/eddie/signed_ice40_dsp' into ice40dsp 2019-07-19 09:40:47 -07:00
David Shah
80884d6f7b ice40: Fix test_dsp_model.sh 
Signed-off-by: David Shah <dave@ds0.me>
 2019-07-19 17:33:57 +01:00
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