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* ecp5: Use snake case for arch-specific functionsD. Shah2021-02-031-4/+4
| | | | | | | This makes the difference clearer between the general arch API that everyone must implement; and helper functions specific to one arch. Signed-off-by: D. Shah <dave@ds0.me>
* ecp5: Improve bounding box accuracyDavid Shah2020-02-031-6/+15
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Fix routing to shared DSP control inputsDavid Shah2019-10-251-0/+24
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Fix handling of missing ports in LUT permutationDavid Shah2019-08-081-0/+4
| | | | | | Fixes #310 Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Add --out-of-context for building hard macrosDavid Shah2019-08-071-1/+4
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: New Property interfaceDavid Shah2019-08-051-2/+2
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Add criticality-based LUT permutationDavid Shah2019-02-251-0/+74
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: More optimal LUT6 placementDavid Shah2018-11-161-0/+6
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Add DCU availability checkDavid Shah2018-11-151-0/+2
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Improve mixed no-FF/FF placementDavid Shah2018-09-301-18/+20
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Speedup placement using ArchCellInfoDavid Shah2018-08-181-12/+12
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Update to use const IdStrings in place of PortPin/BelTypeDavid Shah2018-08-081-13/+13
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* API change: Use CellInfo* and NetInfo* as cell/net handles (ECP5)David Shah2018-08-051-11/+9
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* Remove implementations of deprecated APIsDavid Shah2018-07-241-3/+4
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Adding a slow and conservative placement validity checkerDavid Shah2018-07-171-0/+109
Signed-off-by: David Shah <davey1576@gmail.com>