David Shah
79f14c7514
ice40/cells_sim.v: Fix sign of J and K partial products
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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
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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
Clifford Wolf
e66e8fb59d
Merge pull request #1184 from whitequark/synth-better-labels
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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
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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
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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
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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
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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
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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"
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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