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| * interchange: Fix bug in site router where a bad solution isn't remove.Keith Rothman2021-03-251-3/+7
| | | | | | | | | | | | | | This resulted in valid site routing solutions being missed. Underlying bug was an off-by-one error when unwinding a failed solution. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * Implement debugging tools for site router.Keith Rothman2021-03-257-23/+166
| | | | | | | | | | | | | | | | - Finishes implementation of SiteArch::nameOfPip and SiteArch::nameOfWire - Adds "explain_bel_status", which should be an exhaustive diagnostic of the status of a BEL placement. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * Add some FIXME's around VCC assumption in LUT logic.Keith Rothman2021-03-251-0/+17
| | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * Add targets to generate YAML outputs for DeviceResource files.Keith Rothman2021-03-251-0/+22
| | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * Re-work LUT mapping logic to only put VCC pins when required.Keith Rothman2021-03-255-104/+174
| | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * Fixup some of the re-mapping logic.Keith Rothman2021-03-252-27/+75
| | | | | | | | | | | | | | - Add IDEMPOTENT_CHECK define to perform some expected idempotent operations more than once to verify they work as expected. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * Add initial handling of local site inverters and constant signals.Keith Rothman2021-03-258-60/+460
| | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * [FPGA interchange] Small fix to get_net_type.Keith Rothman2021-03-252-9/+14
| | | | | | | | | | | | | | If get_net_type was called before the driver was placed, it could return the wrong value. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * Enable counter tests and add RAM tests.Keith Rothman2021-03-256-2/+284
| | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* | Merge pull request #649 from acomodi/add-archcheck-to-all-testsgatecat2021-03-263-9/+41
|\ \ | | | | | | interchange: add archcheck tests to all-device-test target
| * | gh-actions: better yosys caching based on versionAlessandro Comodi2021-03-262-6/+35
| | | | | | | | | | | | Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
| * | interchange: add archcheck tests to all-device-test targetAlessandro Comodi2021-03-262-3/+6
|/ / | | | | | | | | | | | | This increases parallelism and should make the FPGA interchange CI faster Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
* | Merge pull request #650 from YosysHQ/gatecat/nexus-17k-fixesgatecat2021-03-261-1/+4
|\ \ | |/ |/| nexus: Fix FASM gen for LIFCL-17
| * nexus: Fix FASM gen for LIFCL-17gatecat2021-03-261-1/+4
|/ | | | Signed-off-by: gatecat <gatecat@ds0.me>
* Merge pull request #648 from YosysHQ/gatecat/nexus-get_pinsgatecat2021-03-251-7/+56
|\ | | | | nexus: Add support for get_pins PDC command
| * nexus: Add support for get_pins PDC commandgatecat2021-03-251-7/+56
|/ | | | Signed-off-by: gatecat <gatecat@ds0.me>
* Merge pull request #628 from acomodi/add-interchange-devicesgatecat2021-03-2522-168/+450
|\ | | | | fpga_interchange: add more devices
| * gh-actions: use ccache and build tools before running testsAlessandro Comodi2021-03-252-40/+105
| | | | | | | | Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
| * gh-actions: interchange: multiple jobs, one for each deviceAlessandro Comodi2021-03-244-8/+17
| | | | | | | | Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
| * interchange: examples: remove unused makefilesAlessandro Comodi2021-03-242-99/+0
| | | | | | | | Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
| * interchange: devices: bel_bucket_seeds -> device_configAlessandro Comodi2021-03-233-3/+3
| | | | | | | | Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
| * interchange: added boards and group testing across multiple boardsAlessandro Comodi2021-03-2310-45/+155
| | | | | | | | Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
| * gh-actions: remove multi-process arch generationAlessandro Comodi2021-03-231-1/+1
| | | | | | | | Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
| * fpga_interchange: add test data for new architecturesAlessandro Comodi2021-03-233-0/+108
| | | | | | | | Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
| * fpga_interchange: use higher java heap spaceAlessandro Comodi2021-03-233-3/+4
| | | | | | | | Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
| * fpga_interchange: add more devicesAlessandro Comodi2021-03-238-3/+91
|/ | | | Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
* Merge pull request #644 from litghost/add_global_buffersgatecat2021-03-235-11/+30
|\ | | | | [FPGA interchange] Add support for global buffers from chipdb.
| * [FPGA interchange] Add support for global buffers from chipdb.Keith Rothman2021-03-235-11/+30
| | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* | Merge pull request #643 from litghost/id_constantsgatecat2021-03-232-4/+27
|\ \ | | | | | | [FPGA interchange] Convert some string constants to IdString.
| * | [FPGA interchange] Convert some string constants to IdString.Keith Rothman2021-03-232-4/+27
| | | | | | | | | | | | | | | | | | Also add some optional diagnostic prints for cell -> BEL pin mapping. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* | | Merge pull request #640 from litghost/inversion_logicgatecat2021-03-237-8/+131
|\ \ \ | | |/ | |/| Initial inverter logic for FPGA interchange
| * | Initial version of inverter logic.Keith Rothman2021-03-237-8/+131
| | | | | | | | | | | | | | | | | | | | | For now just implements some inspection capabilities, and the site router (for now) avoids inverted paths. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* | | Merge pull request #639 from litghost/parameter_iterationgatecat2021-03-238-44/+446
|\| | | |/ |/| Update parameter processing based on new DeviceResources metadata
| * Update FPGA interchange chipdb to v4 with inverter data.Keith Rothman2021-03-231-1/+22
| | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * Use new parameter definition data in FPGA interchange processing.Keith Rothman2021-03-237-43/+415
| | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * Update latest version of FPGA interchange schema.Keith Rothman2021-03-231-1/+10
| | | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* | Merge pull request #642 from YosysHQ/gatecat/missing-cell-pingatecat2021-03-231-0/+3
|\ \ | |/ |/| interchange: Add nice error for missing cell pins
| * interchange: Add nice error for missing cell pinsgatecat2021-03-231-0/+3
| | | | | | | | Signed-off-by: gatecat <gatecat@ds0.me>
* | Merge pull request #641 from litghost/initial_lookaheadgatecat2021-03-2315-13/+2689
|\ \ | |/ |/| Initial lookahead for FPGA interchange.
| * Initial lookahead for FPGA interchange.Keith Rothman2021-03-2315-13/+2689
|/ | | | | | | | | 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>
* Merge pull request #638 from litghost/fixup_physical_netlist_writergatecat2021-03-221-11/+93
|\ | | | | Correct some bugs in writing of physical netlist w.r.t. site sources.
| * Correct some bugs in writing of physical netlist w.r.t. site sources.Keith Rothman2021-03-221-11/+93
| | | | | | | | | | | | | | Local site sources should have their driving BEL pin included in the net so that the site wire is driven by an output BEL pin. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* | Merge pull request #637 from litghost/refine_site_routergatecat2021-03-2217-588/+2745
|\ \ | | | | | | Refine site router
| * | Rework FPGA interchange site router.Keith Rothman2021-03-2212-571/+2617
| | | | | | | | | | | | | | | | | | | | | The new site router should be robust to most situations, and isn't significantly slower with the use of caching. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
| * | Add missing dependencies to CMake targets.Keith Rothman2021-03-225-17/+128
| |/ | | | | | | | | | | | | - Add additional targets useful for various situations. - Have counter test use common remap.v file. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* | Merge pull request #634 from litghost/add_get_bel_pin_typegatecat2021-03-223-0/+10
|\ \ | | | | | | Add getBelPinType to Python interface.
| * | Add getBelPinType to Python interface.Keith Rothman2021-03-223-0/+10
| |/ | | | | | | Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* | Merge pull request #632 from litghost/add_check_pip_for_netgatecat2021-03-228-16/+30
|\ \ | |/ |/| Add "checkPipAvailForNet" to Arch API.
| * Add "checkPipAvailForNet" to Arch API.Keith Rothman2021-03-228-16/+30
|/ | | | | | | | This is important for distiguishing valid pseudo pips in the FPGA interchange arch. This also avoids a double or triple lookup of pip->net map. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* Merge pull request #636 from litghost/add_pseudo_pip_datagatecat2021-03-224-7/+144
|\ | | | | Add pseudo pip data
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