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| * Change assert to errorRoss Schlaikjer2020-04-071-2/+5
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| * Rearrange bool algebraRoss Schlaikjer2020-04-071-2/+2
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| * Actually just move all the logic to ArchInfoRoss Schlaikjer2020-04-073-19/+23
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| * Extract regmode configuration to ArchInfoRoss Schlaikjer2020-04-073-8/+16
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| * Change timing database lookup based on REGMODE valueRoss Schlaikjer2020-04-071-4/+19
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* | Merge pull request #419 from garytwong/handle-opendrainDavid Shah2020-04-071-0/+3
|\ \ | | | | | | Handle OPENDRAIN attribute.
| * | Handle OPENDRAIN attribute.Gary Wong2020-04-031-0/+3
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* | | Fix assertion failure on invalid LOCATE input.Gary Wong2020-04-051-0/+2
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | Trying to parse this invalid LPF syntax: LOCATE COMP "a" SITE "A1" IOBUF PORT "a" IO_TYPE=LVCMOS33; (note missing semicolon on first line) gives an assertion failure in strip_quotes, because the fifth token is scanned as "A1"IOBUF (without a trailing quote). Avoid the problem by detecting extraneous input and issuing a more specific error.
* | ecp5: Allow use of IDDRXN and ODDRXN type primitives on the same pinDavid Shah2020-04-031-0/+10
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | Remove comment about the USRMCLK primitive being untested.Gary Wong2020-04-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Tested and verified working: the trivial configuration: module USRMCLK( USRMCLKI, USRMCLKTS ); input USRMCLKI, USRMCLKTS; endmodule module top( input clk ); reg[ 24:0 ] count = 0; always @( posedge clk ) begin count <= count + 1'b1; end USRMCLK mspi( .USRMCLKI( count[ 20 ] ), .USRMCLKTS( count[ 24 ] ) ); endmodule produces the expected output (toggling at high frequency, toggling tri-state at lower frequency) on an LFE5U-85 when fed with an appropriate clock. See https://bayimg.com/AAnNKAAGO for an example. The top (magenta) trace is the MCLK line.
* | Enum/int compatibility for EHXPLLL parametersMartin2020-04-021-2/+7
| | | | | | | | | | | | - Lattice component EHXPLLL parameter compatibility, allowing to pass an int parameter for the enum (as expected by trellis tile) e.g. CLKOP_TRIM_DELAY : integer := 0;
* | ecp5: Proper support for '12k' deviceDavid Shah2020-03-134-7/+21
|/ | | | Signed-off-by: David Shah <dave@ds0.me>
* Merge pull request #400 from YosysHQ/dave/tri-fixesDavid Shah2020-03-101-1/+16
|\ | | | | Improve handling of unused inout port bits
| * Improve handling of unused inout port bitsDavid Shah2020-02-251-1/+16
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | ecp5: Fix differential inputsDavid Shah2020-03-081-1/+6
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | build: Default the ECP5 and iCE40 roots to the install prefixSylvain Munaut2020-03-031-2/+2
|/ | | | | | | | | If the user specifies a custom install prefix, chances are icestrom/trellis are also in that prefix rather than the hardcoded /usr/local Fixes #351 Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* Rename cmake path variable TRELLIS_ROOT to TRELLIS_INSTALL_PREFIXSebastian Birke2020-02-041-6/+6
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* CMake: Changing the definition of TRELLIS_ROOT to point to root of lib, ↵Jared Boone2020-02-041-5/+5
| | | | | | | | | share containing trellis libs and data two other commit message of squashed commits: CMake: Search for user lib inside trellis instead of libtrellis CMake: Fix missing path component for share contents
* Merge pull request #391 from YosysHQ/router2-upstreamDavid Shah2020-02-043-7/+85
|\ | | | | Upstreaming router2
| * router2: Improve flow and log outputDavid Shah2020-02-031-1/+1
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * Allow selection of router algorithmDavid Shah2020-02-032-2/+18
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * router2: Make magic numbers configurableDavid Shah2020-02-031-1/+1
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Improve bounding box accuracyDavid Shah2020-02-032-10/+34
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: router2 main renameDavid Shah2020-02-031-1/+1
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Router2 test integrationDavid Shah2020-02-032-1/+39
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | Merge pull request #385 from YosysHQ/router1-arc-fixesDavid Shah2020-02-031-1/+2
|\ \ | |/ |/| Fixes for partial reconfig demo
| * ecp5: Don't reroute existing globalsDavid Shah2020-01-201-1/+2
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | python: Expose PlaceStrength enum and isValidBelForCell on ecp5Erika2020-01-261-0/+3
| | | | | | | | Signed-off-by: Erika <rrika9@yahoo.com>
* | ecp5: Fix tieoff of unused DELAY signalsDavid Shah2020-01-211-3/+3
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | ecp5: Add SPICB0 IO supportDavid Shah2020-01-202-3/+3
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | Few more caught by clangMiodrag Milanovic2020-01-181-4/+0
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* Merge pull request #382 from YosysHQ/ecp5-psuedodiffDavid Shah2020-01-163-13/+42
|\ | | | | ecp5: Add support for top pseudo diff outputs
| * ecp5: Add support for top pseudo diff outputsDavid Shah2020-01-153-13/+42
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | More adjustments to .bba file locationsLarry Doolittle2020-01-141-1/+1
|/ | | | | | | | | | Follows PM discussion with Marcus Comstedt. Extend changes in .bba file location (made in commit b6a7b60) to ice40 and MSVC cases, so all cases become compatible with read-only access to git tree. Only known down-side is inefficiency when building out-of-tree for multiple architectures; people following that use case should consider using PREGENERATED_BBA_PATH. It would be nice if there were less copy-paste in MSVC vs. non-MSVC content in family.cmake, but that would have to be addressed by someone more skilled in Cmake and MSVC.
* Remove barrier to out-of-tree buildsLarry Doolittle2020-01-121-2/+1
| | | | | With this change, nextpnr can build successfully (and run correctly) using the git tree as a read-only reference. No change in behavior observed for in-tree builds.
* clangformatMiodrag Milanovic2019-12-281-16/+24
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* made most of frequent numbers constantsMiodrag Milanovic2019-12-281-273/+285
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* move constants to gfx.ccMiodrag Milanovic2019-12-282-18/+18
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* remove synt exampleMiodrag Milanovic2019-12-281-132/+0
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* Merge remote-tracking branch 'origin/master' into mmicko/ecp5_guiMiodrag Milanovic2019-12-2816-559/+412
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| * ecp5: Always promote IOLOGIC SCLK to globalDavid Shah2019-12-271-1/+3
| | | | | | | | | | | | Fixes #374 Signed-off-by: David Shah <dave@ds0.me>
| * Preserve hierarchy through packingDavid Shah2019-12-271-0/+10
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * python: Add bindings for hierarchy structuresDavid Shah2019-12-271-0/+2
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * Work around Qt MOC issue with IdString enumsDavid Shah2019-12-271-0/+4
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Add support for flipflops with preloadDavid Shah2019-12-073-5/+25
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Fix 25k DDRDLLA bitstream genDavid Shah2019-11-292-3/+4
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Fix placement of DDRDLLADavid Shah2019-11-291-0/+26
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * Merge pull request #356 from YosysHQ/ecp5-ff-densityDavid Shah2019-11-271-0/+153
| |\ | | | | | | ecp5: Improve flipflop packing density
| | * ecp5: Improve flipflop packing densityDavid Shah2019-11-201-0/+153
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ECP5 support is no longer experimentalDavid Shah2019-11-264-521/+0
| |/ | | | | | | Signed-off-by: David Shah <dave@ds0.me>
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