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Author SHA1 Message Date
David Shah
ba97c233fb
Merge pull request #36 from YosysHQ/lutperm 
Add LUT input permutations, improvements in ice40 timing model, improvements in router
 2018-08-05 14:31:43 +02:00
Clifford Wolf
287fe7e894 clangformat 2018-08-05 14:18:34 +02:00
Eddie Hung
8a9b3626d3
Merge pull request #31 from eddiehung/slack_histogram 
Print slack histogram at end of placement and at end of routing
 2018-08-05 00:03:18 -07:00
Eddie Hung
8974ef3327 Slack histogram to use ps granularity via int(Arch::getDelayNS() * 1000) 2018-08-04 18:55:03 -07:00
Eddie Hung
76a7d67f74 Revert "Be cognisant that delay_t could be a non-integer type (if so, truncate to integer)" 
This reverts commit b07f0eebc8.
 2018-08-04 18:54:23 -07:00
Eddie Hung
b07f0eebc8 Be cognisant that delay_t could be a non-integer type (if so, truncate to integer) 2018-08-04 18:47:42 -07:00
Eddie Hung
aebb39c651 Merge branch 'master' into slack_histogram 2018-08-04 18:40:37 -07:00
Clifford Wolf
528eddcaf7 Fix bug in ice40 estimateDelay() 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-04 22:29:43 +02:00
Clifford Wolf
d31036825b Merge branch 'master' of github.com:YosysHQ/nextpnr into lutperm 2018-08-04 20:17:46 +02:00
Clifford Wolf
175da732ac Use faster model for ice40 predictDelay() 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-04 20:16:43 +02:00
Clifford Wolf
f6b3333a7d Add new iCE40 delay estimator and delay predictor 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-04 19:50:49 +02:00
David Shah
67347573c2 ice40: Bitstream gen for LUT permutation 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-04 18:23:48 +02:00
Clifford Wolf
8aaf845670 Quick fix for router bug in unrouting a conflicting pip 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-04 17:23:46 +02:00
Clifford Wolf
31fe52581b Add generation of models to tmfuzz 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-04 16:54:12 +02:00
Miodrag Milanovic
7d5dba3ad3 compile fix 2018-08-04 16:27:33 +02:00
Clifford Wolf
bd36cc1275 Refactor ice40 timing fuzzer used to create delay estimates 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-04 13:41:42 +02:00
Clifford Wolf
700e68746a Fix bug in ice40 chipdby.py add_wire() that moves some wires to X0/Y0 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-04 13:33:24 +02:00
Miodrag Milanović
dc34d4c9ed
Merge pull request #33 from YosysHQ/gui-ecp5 
Gui ecp5
 2018-08-04 04:05:38 -07:00
Clifford Wolf
af74f6e511 Add router1 cfg.useEstimate, improve getActualRouteDelay 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-04 11:57:34 +02:00
Miodrag Milanovic
0cb349b60e Utility calls static 2018-08-04 11:54:34 +02:00
Clifford Wolf
086bc941a8 Remove SVG functionality from ice40 main 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-04 11:52:35 +02:00
Miodrag Milanovic
dc4bd1b55f Move ArchArgs to BaseWindow 2018-08-04 11:52:07 +02:00
Miodrag Milanovic
a31c00ed96 Chip selection ui for ECP5 2018-08-04 11:48:29 +02:00
Miodrag Milanovic
beb5f9d4df not needed anymore 2018-08-04 11:37:41 +02:00
Miodrag Milanovic
17f461ed4f add write bitstream 2018-08-04 11:21:38 +02:00
Clifford Wolf
96291f17aa Merge branch 'master' of github.com:YosysHQ/nextpnr into lutperm 2018-08-04 10:32:07 +02:00
Eddie Hung
dced12cbd2 Merge branch 'master' into slack_histogram 
Conflicts:
	common/timing.cc
 2018-08-03 23:53:33 -07:00
Eddie Hung
f5a1b93f0e
Merge pull request #30 from eddiehung/slack_redist_freq 
Slack redistribution to auto-tune frequency only if --freq 0 set
 2018-08-03 23:51:21 -07:00
Eddie Hung
0a14e20f73 Merge branch 'master' into slack_histogram 
Conflicts:
	common/placer1.cc
 2018-08-03 23:44:55 -07:00
Eddie Hung
d66edf5223 Merge branch 'master' into slack_redist_freq 2018-08-03 23:43:53 -07:00
Eddie Hung
45304d049f clangformat 2018-08-03 23:42:25 -07:00
Eddie Hung
be481cb130 Add crude histogram feature, printed after placement and routing 2018-08-03 23:39:42 -07:00
David Shah
65d73eb983
Merge pull request #23 from daveshah1/use_placeconstr 
Making use of relative constraints
 2018-08-04 08:32:42 +02:00
David Shah
affc6da1af ice40: Add SB_GB timing to database 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-04 08:28:13 +02:00
David Shah
2215ace1dc place_common: Remove excessively verbose debugging 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-04 08:19:27 +02:00
David Shah
082b8bf272 clangformat 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-04 08:18:04 +02:00
David Shah
176a23936c Tidy up 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-04 08:15:49 +02:00
Eddie Hung
85a436198c Remove space 2018-08-03 22:39:55 -07:00
Eddie Hung
ecb264d002 Refactor timing.cc into Timing class 2018-08-03 22:39:25 -07:00
Eddie Hung
3d5dcda12c Auto frequency only if --freq 0 is set 2018-08-03 19:53:32 -07:00
Clifford Wolf
8d372b86f3 Proper ice40 wire types 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-03 21:11:12 +02:00
David Shah
b937e6defe Add constraint weight as a command line option 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-03 18:31:54 +02:00
Miodrag Milanovic
e68ca65e9e Unify interfaces for gui 2018-08-03 18:23:40 +02:00
David Shah
4a751d9aaf Add distance moved metrics, changing heuristics 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-03 18:14:09 +02:00
David Shah
aa8435df21 placer1: Experiment with adding 'constraint distance' metric 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-03 17:42:07 +02:00
Clifford Wolf
2a1d54389f Add iCE40 pseudo-pips for lut permutation 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-03 17:37:59 +02:00
David Shah
03c2d22fff place_common: Fixing accidental chain breakage 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-03 17:07:26 +02:00
David Shah
dc4ab55b27 Adding constraint satisfaction checks for debugging 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-03 16:59:45 +02:00
David Shah
fd2174149c Fixing constraint placement bugs 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-03 16:29:44 +02:00
David Shah
8081249b92 place_common: Debugging bad relative constraint legalisation 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-03 16:16:20 +02:00