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* ecp5: Fix handling of CRLFs and uppercase frequency units in LPFDavid Shah2019-02-271-4/+6
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Add an error for mixed constrained/unconstrained IODavid Shah2019-02-251-0/+18
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Improve error handling and warning generation in LPF parserDavid Shah2019-02-252-20/+35
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Merge pull request #242 from YosysHQ/ecp5nextDavid Shah2019-02-258-38/+238
|\ | | | | ecp5: Fixes and QoR improvements
| * ecp5: DELAY fixesDavid Shah2019-02-252-16/+11
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Improve packing densityDavid Shah2019-02-252-1/+59
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Add criticality-based LUT permutationDavid Shah2019-02-254-1/+88
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Delay tuningDavid Shah2019-02-252-19/+32
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * timing: Fix negative slack overflow issueDavid Shah2019-02-251-2/+3
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Fix global clock routing with multiclock DPRAMDavid Shah2019-02-252-10/+18
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Router performance improvementsDavid Shah2019-02-254-7/+30
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Implement budget overrides for carry chains and SLICE muxesDavid Shah2019-02-251-2/+12
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Improve delay modelDavid Shah2019-02-251-3/+4
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * ecp5: Speed up timing analysisDavid Shah2019-02-253-4/+8
|/ | | | Signed-off-by: David Shah <dave@ds0.me>
* ice40: u4k merge fixDavid Shah2019-02-251-0/+2
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Merge pull request #239 from YosysHQ/dsp_casc_dummy_wiresDavid Shah2019-02-252-0/+24
|\ | | | | ice40: Add DSP SIGNEXTIN/OUT and ACCUMCI/O ports
| * ice40: Add DSP SIGNEXTIN/OUT and ACCUMCI/O portsDavid Shah2019-02-212-0/+24
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
* | Merge pull request #236 from YosysHQ/ddrnDavid Shah2019-02-2411-15/+1103
|\ \ | | | | | | ecp5: Support for advanced IO functionality
| * | ecp5: DELAYF/G fixesDavid Shah2019-02-241-2/+2
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Add list of supported primitivesDavid Shah2019-02-241-0/+47
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | ecp5: Connect unused DQSBUF inputs to GNDDavid Shah2019-02-241-14/+30
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | ecp5: Compute derived constraints iterativelyDavid Shah2019-02-241-52/+79
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | ecp5: Add support for 'FREQUENCY NET' and 'FREQUENCY PORT' in lpfDavid Shah2019-02-241-1/+24
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | ecp5: Derived constraint support for PLLs, clock dividers and oscillatorsDavid Shah2019-02-242-3/+119
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | ecp5: Fixes for litedramDavid Shah2019-02-243-8/+19
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | ecp5: Add DIFFRESISTOR supportDavid Shah2019-02-241-0/+2
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | ecp5: Add support for referenced inputsDavid Shah2019-02-241-5/+58
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | ecp5: Add DELAYF/DELAYG supportDavid Shah2019-02-244-13/+151
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | ecp5: Add TERMINATION supportDavid Shah2019-02-241-0/+16
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Add DDRDLLA supportDavid Shah2019-02-242-0/+42
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Add ECLKSYNCB supportDavid Shah2019-02-243-2/+34
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Add TSHX2DQSA supportDavid Shah2019-02-241-4/+5
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Add TSHX2DQA supportDavid Shah2019-02-241-1/+30
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Add IDDRX2DQA supportDavid Shah2019-02-241-0/+30
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Add ODDRX2DQSB suppportDavid Shah2019-02-241-4/+4
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Add ODDRX2DQA supportDavid Shah2019-02-241-3/+36
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Helper functions and bitstream for DQSDavid Shah2019-02-242-0/+63
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Constraint checker and placer for DQSBUFMDavid Shah2019-02-241-1/+57
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Add OSHX2A supportDavid Shah2019-02-241-0/+26
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Add IDDRX2F supportDavid Shah2019-02-241-2/+25
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Packing of ODDRX2FDavid Shah2019-02-243-5/+119
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Helper functions for DQS and ECLKDavid Shah2019-02-245-1/+153
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Add timing data for DQS-related cellsDavid Shah2019-02-241-0/+27
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | ecp5: Add DQS groupings to databaseDavid Shah2019-02-242-4/+15
|/ / | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | Merge pull request #241 from corecode/u4kDavid Shah2019-02-2314-16/+58
|\ \ | |/ |/| ice40: support u4k
| * ice40: support u4kSimon Schubert2019-02-2314-16/+58
|/
* Merge pull request #238 from YosysHQ/padin_gb_tmgfixDavid Shah2019-02-202-1/+1
|\ | | | | ice40: Fix timing class of 'padin' GB outputs
| * ice40: Fix timing class of 'padin' GB outputsDavid Shah2019-02-202-1/+1
|/ | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Fix typoDavid Shah2019-02-141-0/+1
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Merge pull request #228 from YosysHQ/ecp5_embed_baseDavid Shah2019-02-143-4/+2683
|\ | | | | ecp5: Embed baseconfigs in nextpnr
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