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* ecp5: Add support for correct tile naming in all variantsDavid Shah2018-10-164-4/+84
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Add DP16KD timing analysisDavid Shah2018-10-161-2/+29
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Optimise DCC placementDavid Shah2018-10-141-3/+12
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ecp5: Fix BRAM tile namesDavid Shah2018-10-111-1/+1
| | | | Signed-off-by: David Shah <dave@ds0.me>
* placer: Fix conflicts during constraint legalisationDavid Shah2018-10-111-0/+6
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Fixing BRAM initialisationDavid Shah2018-10-101-4/+14
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Working on BRAM initialisationDavid Shah2018-10-093-0/+82
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: BRAM improvements with constant/inverted inputsDavid Shah2018-10-062-14/+80
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Fixing EBR constant tie-offsDavid Shah2018-10-052-1/+51
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Bitstream gen for DP16KD BRAMDavid Shah2018-10-051-0/+98
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Infrastructure for BRAM bitstream genDavid Shah2018-10-053-0/+56
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Dummy timing entry for BRAMDavid Shah2018-10-051-0/+3
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ecp5: Adding constids for blockramDavid Shah2018-10-051-0/+118
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Merge pull request #83 from YosysHQ/ecp5_dramDavid Shah2018-10-0310-9/+329
|\ | | | | Adding support for ECP5 distributed RAM
| * ecp5: Negative clock support, general slice improvementsDavid Shah2018-10-023-4/+41
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Small DRAM routing fixesDavid Shah2018-10-012-7/+25
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * clangformatDavid Shah2018-10-014-9/+5
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Fix packing of FFs into carry/DRAM slicesDavid Shah2018-10-011-4/+12
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Fix DRAM initialisationDavid Shah2018-10-011-2/+2
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Remove broken DRAM timing arcDavid Shah2018-10-011-2/+2
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Debugging DRAM packingDavid Shah2018-10-015-6/+40
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Working on DRAM packingDavid Shah2018-10-012-1/+68
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Handling of DRAM initialisation and wiringDavid Shah2018-10-011-1/+59
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * design_utils: Adding some design helper functionsDavid Shah2018-10-012-0/+36
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Helper functions for distributed RAM supportDavid Shah2018-10-014-0/+66
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
* | Merge pull request #86 from YosysHQ/ice40globprom_prClifford Wolf2018-10-031-0/+2
|\ \ | | | | | | Add info message for promoted global nets
| * | Add info message for promoted global netsClifford Wolf2018-10-031-0/+2
|/ / | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | Merge pull request #85 from YosysHQ/issue84David Shah2018-10-031-2/+13
|\ \ | | | | | | ice40: Add error for bad PACKAGE_PIN connections
| * | ice40: Add error for bad PACKAGE_PIN connectionsDavid Shah2018-10-031-2/+13
|/ / | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
* | Merge pull request #82 from YosysHQ/ecp5_carryDavid Shah2018-10-0110-75/+512
|\| | | | | Adding ECP5 carry support
| * ecp5: Improve handling of constant CCU2C inputsDavid Shah2018-10-011-9/+65
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Fix carry feed outDavid Shah2018-09-301-1/+1
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Improve mixed no-FF/FF placementDavid Shah2018-09-304-30/+45
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Carry packing fixesDavid Shah2018-09-301-13/+18
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Relative placement and bitstream gen for carriesDavid Shah2018-09-303-2/+37
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: First stages of carry packingDavid Shah2018-09-301-3/+63
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Add ccu2c_to_sliceDavid Shah2018-09-303-12/+41
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Support code for carry chain handlingDavid Shah2018-09-302-16/+118
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * Refactor chain finder to its own fileDavid Shah2018-09-304-61/+90
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Adding carry helper functionsDavid Shah2018-09-303-1/+107
|/ | | | Signed-off-by: David Shah <davey1576@gmail.com>
* clangformatDavid Shah2018-09-3015-63/+66
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* Merge pull request #81 from YosysHQ/ecp5_globalsDavid Shah2018-09-3011-2/+454
|\ | | | | Adding a simple ECP5 global network router
| * ecp5: Use ArchNetInfo to mark global nets to ignoreDavid Shah2018-09-294-7/+10
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * clangformatDavid Shah2018-09-293-24/+19
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Fix global buffer connectivity and timingDavid Shah2018-09-292-0/+14
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Fix handling of global to fabric connectionsDavid Shah2018-09-291-3/+20
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Remove excessive debugging from global promoterDavid Shah2018-09-291-9/+1
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Global router produces a working bitstreamDavid Shah2018-09-294-0/+17
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Fixing global to global user routingDavid Shah2018-09-291-6/+13
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * ecp5: Fixing global router bugsDavid Shah2018-09-291-3/+14
| | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
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