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* ice40: Improving routeability of carriesDavid Shah2018-07-031-6/+1
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* Improving the SA+legalisation flowDavid Shah2018-06-291-10/+12
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ice40: Reworking placement legalisation to allow integration with SA placerDavid Shah2018-06-291-28/+110
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ice40: PLace legaliser produces a design that is at least routable for picosocDavid Shah2018-06-281-0/+17
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* Debugging carry legalisationDavid Shah2018-06-281-5/+10
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* Improving debugabilityDavid Shah2018-06-271-2/+6
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* Improving post-ripup placement in the legaliserDavid Shah2018-06-271-14/+2
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ice40: Fixing carry chain legaliserDavid Shah2018-06-261-3/+27
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* Carry chains now routableDavid Shah2018-06-261-10/+42
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* Working on debugging the carry legaliserDavid Shah2018-06-261-1/+37
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ice40: Working on carry legalisationDavid Shah2018-06-261-11/+75
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* fix one moreMiodrag Milanovic2018-06-261-12/+14
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* ice40: Working on the placement legaliserDavid Shah2018-06-251-4/+43
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ice40: Creating a carry chain splitter functionDavid Shah2018-06-251-9/+69
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ice40: More preparations for carry legalisationDavid Shah2018-06-251-30/+78
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ice40: Helper functions for placement legalisationDavid Shah2018-06-251-2/+40
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ice40: Start work on the placement legaliserDavid Shah2018-06-251-0/+78
Signed-off-by: David Shah <davey1576@gmail.com>