caiyu/nextpnr
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13 Commits

Author SHA1 Message Date
Maciej Kurc
580a45485a Added an option to disable the LUT mapping cache 
Signed-off-by: Maciej Kurc <mkurc@antmicro.com>
 2021-07-22 14:07:35 +02:00
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
eca1a4cee4 Use hashlib in most remaining code 
Signed-off-by: gatecat <gatecat@ds0.me>
 2021-06-02 15:05:20 +01:00
Keith Rothman
8d1eb0a195 Initial lookahead for FPGA interchange. 
Currently the lookahead is disabled by default because of the time to
compute and RAM usage.  However it does appear to work reasonably well
in testing.  Further effort is required to lower RAM usage after initial
computation, and explore trade-off for cheaper time to compute.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-03-23 08:16:50 -07:00
Keith Rothman
2fc353d559 Add initial logic for handling dedicated interconnect situations. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-23 14:09:28 -08:00
Keith Rothman
f9bd692f75 Change how package pin IO sites are selected. 
The first site type that matches is now selected, under the premise that
the early site types are more general.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-17 12:03:16 -08:00
Keith Rothman
7c1544f4d8 Continue fixes. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-17 12:03:16 -08:00
Keith Rothman
82ab3c1aad Run "make clangformat". 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-12 10:31:05 -08:00
Keith Rothman
a0bd313139 Add FPGA interchange XDC parser. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-12 10:31:04 -08:00
Keith Rothman
f1ee2fde58 Update APIs to conform to style guide. 
- Change non-Arch methods to snake_case
 - Adds some utility functions to for accessing bel_data.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-04 16:38:34 -08:00
Keith Rothman
22c3c9c303 Update copywrite headers. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-04 16:38:33 -08:00
Keith Rothman
0b911e484c Run "make clangformat". 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-04 16:38:33 -08:00
Keith Rothman
561b519716 Initial FPGA interchange (which is just a cut-down xilinx arch). 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2021-02-04 16:38:32 -08:00