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| * | | generic: Improve exampleDavid Shah2019-04-042-17/+17
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | generic: GUI Python bindingsDavid Shah2019-04-037-10/+70
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | generic: Add a few more bindingsDavid Shah2019-04-021-0/+5
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | generic: Adding API usage documentationDavid Shah2019-04-021-0/+99
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | generic: Simple working exampleDavid Shah2019-04-0211-26/+66
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | generic: Simple procedural example worksDavid Shah2019-04-024-7/+87
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | generic: Add a simple packer for generic SLICEs and IOBsDavid Shah2019-04-027-6/+597
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | generic: Add synth_generic.tclDavid Shah2019-04-023-3/+34
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | generic: Add simple primitive libraryDavid Shah2019-04-022-0/+71
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | generic: Place a single SLICEDavid Shah2019-04-024-34/+29
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | generic: Python bindings for arch constructionDavid Shah2019-04-021-0/+56
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | python: Named argument supportDavid Shah2019-04-023-0/+32
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | python: Infrastructure for generic arch Python APIDavid Shah2019-04-023-0/+170
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | | | Merge pull request #270 from smunaut/sb_io_conflictDavid Shah2019-04-172-2/+38
|\ \ \ \ | | | | | | | | | | SB IO conflict checks
| * | | | ice40: Check for SB_IO shared wires conflicts in isValidBelForCellSylvain Munaut2019-04-171-0/+36
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
| * | | | ice40: In assignCellInfo get PIN_TYPE/NEG_TRIGGER from params and not attrsSylvain Munaut2019-04-171-2/+2
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* | | | | Merge pull request #269 from smunaut/pll_gb_placeDavid Shah2019-04-171-13/+86
|\ \ \ \ \ | |/ / / / |/| | | | PLL GB usage and placement fix
| * | | | ice40: Only create padin gbuf for PLLs if global output actually usedSylvain Munaut2019-04-171-11/+38
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
| * | | | ice40: Take placed SB_GBs into account when placing PLLsSylvain Munaut2019-04-161-9/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Because the PLLs drive global networks, we need to account for already existing and placed SB_GBs when trying to place/pack them. Theses can be user instanciated SB_GBs with BEL attribute, or SB_GB_IOs that got converted during the IO packing. This patch assumes that: - If a PLL is used the output A global network is always used, even if there is no connection to the global output pin - If a PLL with a singe output is used, then the B output global network is still free to be used by whatever. Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* | | | | Merge pull request #267 from noopwafel/lock-for-timingDavid Shah2019-04-161-0/+2
|\ \ \ \ \ | |/ / / / |/| | | | timing_opt: Add locks to optimise()
| * | | | timing_opt: Add locks to optimise()Alyssa Milburn2019-04-161-0/+2
|/ / / / | | | | | | | | | | | | Signed-off-by: Alyssa Milburn <amilburn@zall.org>
* | | | Merge pull request #266 from xanderlent/patch-1Eddie Hung2019-04-151-2/+2
|\ \ \ \ | | | | | | | | | | Fix ice40 example directory in README.md
| * | | | Fix ice40 example directory in README.mdAlexander Lent2019-04-151-2/+2
|/ / / / | | | | | | | | ice40/blinky.* moved to ice40/examples/blinky/blinky.* in commit 1780f42b9a7854a8a7bf1f2d6589d3d35f133f87
* | | | Merge pull request #264 from smunaut/fix_sb_unused_inDavid Shah2019-04-111-0/+13
|\ \ \ \ | | | | | | | | | | ice40/pack: During IO packing, remove any unused input connection
| * | | | ice40/pack: During IO packing, remove any unused input connectionSylvain Munaut2019-04-111-0/+13
|/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is mostly for the benefit of PLL placement because the D_IN_x ports are used for other purposes when PLL is enabled so we need to make sure nothing is connected there already. (even an unused net is too much) Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* | | | Merge pull request #263 from YosysHQ/placer1_incr_bbDavid Shah2019-04-101-38/+234
|\ \ \ \ | | | | | | | | | | placer1: Improve incremental bounding box updates
| * | | | clangformatDavid Shah2019-04-081-6/+9
| | | | | | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | | placer1: Check correctness of incremental updates with --debugDavid Shah2019-04-081-0/+18
| | | | | | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | | placer1: Improve incremental bounding box updatesDavid Shah2019-04-071-38/+213
|/ / / / | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | | | Merge pull request #262 from chexum/gcc4xEddie Hung2019-04-021-2/+2
|\ \ \ \ | |/ / / |/| | | common: avoid std::ofstream copy
| * | | common: avoid std::ofstream copyJanos Farkas2019-04-021-2/+2
|/ / / | | | | | | | | | | | | Using a copy constructor to set the logfile is the only thing that stops compilation with the libstdc++ shipping with gcc 4.8 (maybe 4.7)
* | | Merge pull request #260 from xobs/windows-eigen-docsDavid Shah2019-04-021-2/+10
|\ \ \ | | | | | | | | README: update windows build instructions for eigen, python
| * | | README: update windows build instructions for eigen, pythonSean Cross2019-04-021-2/+10
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The recent addition of "eigen3" to nextpnr necessitates the addition of "eigen" to the list of vcpkg packages to be installed on Windows. Add the 32- and 64-bit versions of eigen to the command issued to install various dependencies. Also document one possible build command, and note about unpacking python36.zip. Signed-off-by: Sean Cross <sean@xobs.io>
* | | ice40: Don't constrain to a PLL bel that has already been usedDavid Shah2019-04-012-0/+2
| | | | | | | | | | | | | | | | | | Fixes #258 Signed-off-by: David Shah <dave@ds0.me>
* | | HeAP: Don't call Eigen if system is emptyDavid Shah2019-04-012-1/+2
| | | | | | | | | | | | | | | | | | Fixes #259 Signed-off-by: David Shah <dave@ds0.me>
* | | Merge pull request #255 from smunaut/i2c_spiDavid Shah2019-03-265-1/+112
|\ \ \ | | | | | | | | ice40: Add support for SB_I2C and SB_SPI
| * | | ice40: Add support for SB_I2C and SB_SPISylvain Munaut2019-03-255-1/+112
|/ / / | | | | | | | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* | | Merge pull request #257 from whitequark/patch-1David Shah2019-03-251-1/+1
|\ \ \ | | | | | | | | Fix broken header guard
| * | | Fix broken header guardwhitequark2019-03-251-1/+1
|/ / /
* | | Merge pull request #219 from daveshah1/placer_heapDavid Shah2019-03-2541-215/+2565
|\ \ \ | | | | | | | | HeAP-based analytical placer
| * | | HeAP: Make log output more consistentDavid Shah2019-03-252-5/+9
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | HeAP: Add missing newlineDavid Shah2019-03-251-1/+1
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | placer1: Restore old weighting in budget-based modeDavid Shah2019-03-241-1/+1
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | HeAP: Per-iteration output all on one lineDavid Shah2019-03-241-7/+5
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | Add --placer option and refactor placer selectionDavid Shah2019-03-2411-30/+106
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | placer1: Fix regression moving chained cells pre-legaliseDavid Shah2019-03-231-2/+3
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | | Bump tests to include WAIVEDavid Shah2019-03-231-0/+0
| | | |
| * | | Update README.mdDavid Shah2019-03-221-3/+7
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | clangformatDavid Shah2019-03-224-21/+23
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | | placer1: Only get criticalities when in timing-driven modeDavid Shah2019-03-221-1/+1
| | | | | | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
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