caiyu/nextpnr
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1,457 Commits 22 Branches 7 Tags 17 MiB
bf7161d2b4
Commit Graph

209 Commits

Author SHA1 Message Date
David Shah
bf7161d2b4 ecp5: Negative clock support, general slice improvements 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-10-02 15:50:45 +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
9ebec3b87f clangformat 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-10-01 18:20:14 +01:00
David Shah
fd4498736e ecp5: Fix packing of FFs into carry/DRAM slices 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-10-01 18:19:56 +01:00
David Shah
2c96d4770d ecp5: Fix DRAM initialisation 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-10-01 18:15:11 +01:00
David Shah
3dfc5b864a ecp5: Remove broken DRAM timing arc 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-10-01 17:51:36 +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
9518c5d762 ecp5: Working on DRAM packing 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-10-01 17:05:02 +01:00
David Shah
885fae8236 ecp5: Handling of DRAM initialisation and wiring 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-10-01 16:43:22 +01:00
David Shah
d770eb672f ecp5: Helper functions for distributed RAM support 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-10-01 15:23:12 +01:00
David Shah
931c78b1bb ecp5: Improve handling of constant CCU2C inputs 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-10-01 14:42:19 +01:00
David Shah
e7c8818424 ecp5: Fix carry feed out 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-30 19:27:06 +01:00
David Shah
6a1b49c311 ecp5: Improve mixed no-FF/FF placement 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-30 18:39:53 +01:00
David Shah
3e399c9f20 ecp5: Carry packing fixes 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-30 18:10:20 +01:00
David Shah
9218d2e56b ecp5: Relative placement and bitstream gen for carries 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-30 17:42:47 +01:00
David Shah
fef29d8762 ecp5: First stages of carry packing 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-30 17:18:30 +01:00
David Shah
e81a95cf7e ecp5: Add ccu2c_to_slice 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-30 17:06:06 +01:00
David Shah
2628344298 ecp5: Support code for carry chain handling 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-30 16:58:02 +01:00
David Shah
a27c7b45de Refactor chain finder to its own file 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-30 16:29:26 +01:00
David Shah
6afc2c75fd ecp5: Adding carry helper functions 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-30 15:13:31 +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
c5f9a12bb1 ecp5: Global router produces a working bitstream 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 17:36:08 +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
24414614d2 ecp5: Import SPINE data to database 
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
David Shah
39e79db854 ecp5: clangformat 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-19 17:12:03 +01:00
David Shah
1b3a201a54 ecp5: Fix delay heuristic 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-19 17:10:55 +01:00
David Shah
ec94848774 ecp5: Add cell delays 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-19 16:59:36 +01:00
David Shah
cdc9dc545e ecp5: Add crude approximation of Pip delays 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-19 14:29:16 +01:00
David Shah
45bd0a8c72
Merge pull request #54 from daveshah1/ecp5_speedup 
ecp5: Improving placement speed
 2018-08-19 14:04:01 +01:00
David Shah
0b35cb4e60 ecp5: Flatten bel_to_cell for performance 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-18 19:04:32 +01:00
David Shah
72a9a475fa ecp5: Speed up Bel availability/binding checks 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-18 18:36:13 +01:00
Clifford Wolf
26be6f9761
Merge pull request #47 from YosysHQ/settings_propagate 
Use settings for placer1 and router1
 2018-08-18 19:25:19 +02:00
David Shah
b8206d71ca ecp5: Speedup placement using ArchCellInfo 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-18 18:14:18 +01:00
Clifford Wolf
97520bb728 Merge branch 'master' of github.com:YosysHQ/nextpnr into archattr 2018-08-18 13:06:21 +02:00
David Shah
5fe29922fd ecp5: Speedup router with slightly better estimates 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-18 11:54:53 +02:00