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3c60ea383d
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43 Commits

Author SHA1 Message Date
David Shah
3c60ea383d ecp5: Improve global routing robustness 
Signed-off-by: David Shah <dave@ds0.me>
 2020-05-14 13:12:30 +01:00
David Shah
2aaef61547 ecp5: Don't promote VCC/GND to globals even if connected to clock port 
Signed-off-by: David Shah <dave@ds0.me>
 2020-05-14 13:07:59 +01:00
David Shah
64d3e3e1e8 ecp5: Use dedicated routing for ECLKs where possible 
Signed-off-by: David Shah <dave@ds0.me>
 2020-04-14 19:20:13 +01:00
David Shah
9dc8e1e35d ecp5: Don't reroute existing globals 
Signed-off-by: David Shah <dave@ds0.me>
 2020-01-20 14:58:38 +00:00
David Shah
0d43aff268 ecp5: Always promote IOLOGIC SCLK to global 
Fixes #374

Signed-off-by: David Shah <dave@ds0.me>
 2019-12-27 15:53:00 +00:00
David Shah
08cf545d9b Revert "Merge pull request #355 from YosysHQ/ecp5-promote-lsr" 
This reverts commit 6a7d1fe53d, reversing
changes made to c3d4117a21.
 2019-11-20 17:10:11 +00:00
David Shah
67e216f8fb ecp5: Add support for promotion of LSRs to global network 
Signed-off-by: David Shah <dave@ds0.me>
 2019-11-19 14:08:35 +00:00
David Shah
04be9a71f9 ecp5: Add support for clock gating with DCCA 
Signed-off-by: David Shah <dave@ds0.me>
 2019-08-31 10:45:12 +01:00
Arnaud Durand
a26c9bb6d9 Rename clock restriction attribute to "noglobal" 2019-08-24 18:09:42 +02:00
Arnaud Durand
a947f09bfb Restrict clock promotion to global 2019-08-22 00:43:03 +02:00
David Shah
661237eb64 ecp5: Add --out-of-context for building hard macros 
Signed-off-by: David Shah <dave@ds0.me>
 2019-08-07 14:22:47 +01:00
David Shah
ec48f8f464 ecp5: New Property interface 
Signed-off-by: David Shah <dave@ds0.me>
 2019-08-05 17:22:37 +01:00
David Shah
15a1d4f582 ecp5: Use an attribute to store is_global 
Signed-off-by: David Shah <dave@ds0.me>
 2019-06-07 11:55:20 +01:00
David Shah
4ec2bd1e5d ecp5: Fix global clock routing with multiclock DPRAM 
Signed-off-by: David Shah <dave@ds0.me>
 2019-02-25 11:49:25 +00:00
David Shah
c01bb88509 ecp5: Add IOLOGIC timing and bitstream; ODDR working 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-14 16:40:38 +00:00
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
David Shah
084f9cf63f ecp5: DCU clocking fixes 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-15 11:30:27 +00:00
David Shah
0eba7d9789 ecp5: EXTREFB fixes 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-15 11:30:27 +00:00
David Shah
37cbabecfb ecp5: remove debug and clangformat 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-15 11:30:27 +00:00
David Shah
4f8dfd8e1b ecp5: Prefer DCCs with dedicated routing when placing DCCs 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-15 11:30:27 +00:00
David Shah
d3ad522bfe ecp5: Copy clock constraints during global promotion 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-12 14:03:58 +00:00
David Shah
e005cc6754 ecp5: Add PLL support 
Signed-off-by: David Shah <dave@ds0.me>
 2018-10-31 19:52:41 +00:00
David Shah
24a2feda30 ecp5: Separate global promotion and routing 
Signed-off-by: David Shah <dave@ds0.me>
 2018-10-31 16:22:34 +00:00
David Shah
1fc2318c53 ecp5: Optimise DCC placement 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-10-14 13:22:47 +01:00
David Shah
8cbc92b7f3 ecp5: Small DRAM routing fixes 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-10-01 18:45:14 +01:00
David Shah
c8a9bb807c ecp5: Debugging DRAM packing 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-10-01 17:45:35 +01:00
David Shah
0e0ad26f07 ecp5: Use ArchNetInfo to mark global nets to ignore 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 19:31:49 +01:00
David Shah
ab063b2456 clangformat 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 18:37:17 +01:00
David Shah
11cdc197bc ecp5: Fix global buffer connectivity and timing 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 18:29:23 +01:00
David Shah
f46f205782 ecp5: Fix handling of global to fabric connections 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 18:06:08 +01:00
David Shah
5e46d1eb98 ecp5: Remove excessive debugging from global promoter 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 17:38:39 +01:00
David Shah
c2a062d254 ecp5: Fixing global to global user routing 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 17:13:50 +01:00
David Shah
9ff5d5a735 ecp5: Fixing global router bugs 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 17:01:19 +01:00
David Shah
2a0bb2be29 ecp5: Integrate global router and debug naming 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 16:49:29 +01:00
David Shah
4cd582478b ecp5: Adding main global promoter/router function 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 16:37:18 +01:00
David Shah
f7a270a1d8 ecp5: Fix globals.cc following API update 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 16:15:17 +01:00
David Shah
c8674652dc ecp5: Add SPINE routing to global router 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 16:09:21 +01:00
David Shah
dfdaaa6f57 ecp5: Adding DCCA insertion function 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 16:09:21 +01:00
David Shah
97b12fa741 ecp5: Add DCC Bels, fix global router post-rebase 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 16:09:21 +01:00
David Shah
bc10a5646d ecp5: Working on global router 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 16:06:30 +01:00
David Shah
d43138b022 ecp5: Global routing algorithm up to TAPs 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 16:06:30 +01:00
David Shah
7d48acff52 ecp5: Clock usage counter function 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 16:06:30 +01:00
David Shah
30f122854a ecp5: Helper function and arch tweaks for global router 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 16:06:30 +01:00