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38 Commits

Author SHA1 Message Date
gatecat
c60fb94b6c refactor: Use IdString::in instead of || chains 
Signed-off-by: gatecat <gatecat@ds0.me>
 2022-08-10 18:58:22 +01:00
gatecat
efb58711b0 ecp5: Split the SLICE bel into separate LUT/FF/RAMW bels 2022-04-07 18:02:36 +01:00
gatecat
86699b42f6 Switch to potentially-sparse net users array 
This uses a new data structure for net.users that allows gaps, so
removing a port from a net is no longer an O(n) operation on the number
of users the net has.

Signed-off-by: gatecat <gatecat@ds0.me>
 2022-02-27 13:47:05 +00:00
gatecat
6a32aca4ac refactor: New member functions to replace design_utils 
Signed-off-by: gatecat <gatecat@ds0.me>
 2022-02-18 11:13:18 +00:00
gatecat
76683a1e3c refactor: Use constids instead of id("..") 
Signed-off-by: gatecat <gatecat@ds0.me>
 2022-02-16 17:09:54 +00:00
gatecat
9ef0bc3d3a refactor: Use cell member functions to add ports 
Signed-off-by: gatecat <gatecat@ds0.me>
 2022-02-16 16:45:45 +00:00
gatecat
30fd86ce69 refactor: New NetInfo and CellInfo constructors 2022-02-16 15:10:57 +00:00
gatecat
2ffb081442 Fixing old emails and names in copyrights 
Signed-off-by: gatecat <gatecat@ds0.me>
 2021-06-12 13:22:38 +01:00
gatecat
ecc19c2c08 Using hashlib in arches 
Signed-off-by: gatecat <gatecat@ds0.me>
 2021-06-02 15:05:19 +01:00
David Shah
9aa22433ff Improve handling of unused inout port bits 
Signed-off-by: David Shah <dave@ds0.me>
 2020-02-25 14:26:47 +00:00
David Shah
fe40094216 Preserve hierarchy through packing 
Signed-off-by: David Shah <dave@ds0.me>
 2019-12-27 10:44:30 +00:00
David Shah
349be76d26 ecp5: Add support for flipflops with preload 
Signed-off-by: David Shah <dave@ds0.me>
 2019-12-07 12:20:25 +00:00
David Shah
a22f86f861 ice40: Preserve top level IO properly 
Signed-off-by: David Shah <dave@ds0.me>
 2019-10-19 13:01:00 +01:00
David Shah
cf5cbd1153 ecp5: Preserve top level IO properly 
Signed-off-by: David Shah <dave@ds0.me>
 2019-10-18 15:58:57 +01:00
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
63e1f02c65 ecp5: Helper functions for DQS and ECLK 
Signed-off-by: David Shah <dave@ds0.me>
 2019-02-24 10:28:25 +01:00
David Shah
e76479f379 ecp5: Fix tristate IO insertion 
Fixes #191

Signed-off-by: David Shah <davey1576@gmail.com>
 2018-12-22 10:11:18 +00:00
David Shah
9dc845b20d ecp5: Add ODDR packing 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-14 14:59:14 +00:00
David Shah
36b1650df7 ecp5: Adding IOLOGIC packing 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-14 09:55:04 +00:00
David Shah
b12a8c1a30 ecp5: Add {S}IOLOGIC constids and cell 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-12 19:08:48 +00:00
David Shah
c782f07b1b ecp5: Add IO buffer insertion 
Signed-off-by: David Shah <dave@ds0.me>
 2018-10-31 11:30:09 +00:00
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
2c96d4770d ecp5: Fix DRAM initialisation 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-10-01 18:15:11 +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
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
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
dfdaaa6f57 ecp5: Adding DCCA insertion function 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-29 16:09:21 +01:00
David Shah
74cbaa5b83 ecp5: Simple packer working 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-07-18 09:52:53 +02:00
David Shah
f138368e34 ecp5: Add simple constant packer 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-07-18 09:35:40 +02:00
David Shah
2eb783d626 ecp5: Fixing packer bugs 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-07-17 16:45:39 +02:00
David Shah
b52269bc19 ecp5: LUT packer 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-07-17 15:44:36 +02:00
David Shah
7c89aed70e ecp5: Infrastructure for FF packing 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-07-17 14:19:21 +02:00
David Shah
0e31a8e266 ecp5: Adding command line options for device type 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-07-17 12:50:22 +02:00
David Shah
e6725dcde4 ecp5: Build all chip types 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-07-17 12:46:25 +02:00
David Shah
889e1fc19f ecp5: Adding cell definitions 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-07-17 11:28:59 +02:00