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Author SHA1 Message Date
David Shah
2b84b33cd6 timing_opt: Reduce search diameter to 2 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
745960fa85 timing_opt: Neighbour related fixes 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
f53dc8d3c9 timing_opt: Improve heuristics 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
a990a1576c timing_opt: Fix criticality and cost calculations 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
f3adf5a576 timing_opt: Make an optional pass controlled by command line 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
0f40e5fe8c timing: Fixes to criticality calculation 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
254c5ea359 clangformat 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
e1c74ad3db timing_opt: Fixes including single-move legality 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
b51308708b timing_opt: Debugging and integration 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
1b7214a18a timing_opt: Implement the BFS-based path optimisation 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
51a662d37e timing_opt: Implement critical path finder 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
cd9a65a84c timing_opt: Neigbour bel validity checking 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
2de506c071 timing_opt: Functions to calculate arc delay limits 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
83e3277577 timing_opt: Implement neighbour Bel finder 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
9a42b64a68 timing: Add criticality calculation to timing analysis 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
88e1e6bdf4 clangformat 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:52:46 +00:00
David Shah
2fef79c276
Merge pull request #164 from YosysHQ/carry_opt 
ice40: Carry chain optimisations
 2018-12-06 10:52:06 +00:00
David Shah
dbaabae235 ice40: Put debug logging behind ctx->debug 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:51:17 +00:00
Miodrag Milanovic
fdb632f24c Fix crash exiting nextpnr gui 2018-12-06 08:31:40 +01:00
Sergiusz Bazanski
70c30c9c96 ci: more RAM 2018-12-06 01:05:07 +01:00
Sergiusz Bazanski
659b859360 ci: run test binaries 2018-12-06 00:18:51 +01:00
Sergiusz Bazanski
f4793a671e ci: downloadmoreram.com 2018-12-05 23:44:20 +01:00
Sergiusz Bazanski
331134cff2 ci: implement using CirrusCI 2018-12-05 23:33:58 +01:00
Miodrag Milanovic
a6315833d3 Renamed LogLevel members, to prevent issue with system defines on Windows 2018-12-05 19:58:38 +01:00
Miodrag Milanović
697e2ed490
Merge pull request #165 from smunaut/build_pipe 
build: Make use of the pipe option to avoid temporary files
 2018-12-05 19:05:38 +01:00
Miodrag Milanović
6ae143685a
Merge pull request #166 from ajeakins/master 
Fix crash starting the GUI on macOS where we must request a core profile
 2018-12-05 19:04:36 +01:00
David Shah
d298687dc2 ice40: Fix carry chain splitting 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-05 10:12:23 +00:00
Adrian Jeakins
92ddef9fc3 Fix crash starting the GUI on macOS where we must request a core profile. 
See http://doc.qt.io/qt-5/qabstractopenglfunctions.html
 2018-12-04 23:05:06 +00:00
Sylvain Munaut
99e1b6db47 build: Make use of the pipe option to avoid temporary files 
This is really useful when building the ice40 with the gigantic .cc
files that generate multi gigabyte .s temporary files ... this way the
assembler just processed it in streaming way.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2018-12-04 20:20:50 +01:00
David Shah
51cda136b1 ice40: Don't split carry chain in simple feed-out cases 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-04 12:31:32 +00:00
David Shah
0c93b55650 ice40: Include I3 connectivity in chain 
Thanks @smunaut

Signed-off-by: David Shah <dave@ds0.me>
 2018-12-04 12:02:26 +00:00
David Shah
12aca1558f
Merge pull request #162 from whitequark/reset-fanout 
ice40: add reset global promotion threshold
 2018-12-04 10:14:12 +00:00
whitequark
7fad6058bd ice40: add reset global promotion threshold. 2018-12-04 07:40:55 +00:00
Eddie Hung
20f0353f76 Add report to attosoc_tb.vhd 2018-12-02 15:41:30 -08:00
Eddie Hung
b1b8183967 Re-enable PLL in attosoc.v 2018-12-02 15:41:03 -08:00
Eddie Hung
8f0e888815 nextpnr now writes to log, netgen to overwrite 2018-12-02 15:40:20 -08:00
Eddie Hung
5aff7bbbc4 Fix INIT of pass-thru LUT to be "2" not "1" 2018-12-02 15:32:29 -08:00
David Shah
6e728c9a9b
Merge pull request #160 from dmsc/sb_ledda_ip 
ice40: Add support for placing SB_LEDDA_IP block.
 2018-12-02 08:48:58 +00:00
Daniel Serpell
d4b3c1d819 ice40: Add support for placing SB_LEDDA_IP block. 
Signed-off-by: Daniel Serpell <daniel.serpell@gmail.com>
 2018-12-01 22:27:04 -03:00
David Shah
dc549cd56b
Merge pull request #159 from YosysHQ/ecp5_pllplace 
ecp5: Pre-place PLLs and use dedicated routes into globals
 2018-12-01 09:14:34 +00:00
Eddie Hung
5ddfc32c75 Add attosoc.sh and attosoc_tb.vhd 2018-11-30 17:06:55 -08:00
Eddie Hung
4574a57efc Add attosoc 2018-11-30 15:24:32 -08:00
Eddie Hung
fdca3d6d77 firmware.hex with delay loop 2018-11-30 15:23:09 -08:00
David Shah
5ddf99cf5d ecp5: Pre-place PLLs and use dedicated routes into globals 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-30 16:09:56 +00:00
Eddie Hung
cac7ce2747 Cleanup 2018-11-29 17:20:51 -08:00
Eddie Hung
f4e7f4e690 Use wholesale attrs from ISE for MMCME2_ADV 2018-11-29 17:20:35 -08:00
Eddie Hung
2fdf937259 Assignment LUT inputs from fastest down 2018-11-29 17:08:05 -08:00
Eddie Hung
0327fa554a Revert "Ahead of LUT input swapping, assign LUT<6 from A6 downwards" 
This reverts commit ec96897c1d.
 2018-11-29 16:54:33 -08:00
Eddie Hung
c5165f7830 Duplicate arcs.clear() 2018-11-29 16:32:33 -08:00
Eddie Hung
d7dd945f55 Overwrite COMPENSATION attribute on MMCME2_ADV to "INTERNAL" 2018-11-29 16:32:08 -08:00