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80 Commits

Author SHA1 Message Date
David Shah 0492b8b541 ecp5: Replace '-dsp' with inverse logic '-nodsp' to match synth_xilinx 
Signed-off-by: David Shah <dave@ds0.me>
 2019-08-08 15:18:59 +01:00
David Shah cb84ed2326 ecp5: Bring up to date with mul2dsp changes 
Signed-off-by: David Shah <dave@ds0.me>
 2019-08-08 15:14:09 +01:00
Eddie Hung e3d898dccb Merge remote-tracking branch 'origin/master' into xc7dsp 2019-08-07 13:44:08 -07:00
David Shah a36fd8582e ecp5: Make cells_sim.v consistent with nextpnr 
Signed-off-by: David Shah <dave@ds0.me>
 2019-08-07 14:19:31 +01:00
Eddie Hung 42e40dbd0a Merge remote-tracking branch 'origin/master' into ice40dsp 2019-07-18 15:45:25 -07:00
whitequark 698ab9beee synth_ecp5: rename dram to lutram everywhere. 2019-07-16 20:45:12 +00:00
whitequark ba099bfe9b synth_{ice40,ecp5}: more sensible pass label naming. 2019-07-16 20:41:51 +00:00
Eddie Hung 42f8e68e76 OUT port to Y in generic DSP 2019-07-15 14:45:47 -07:00
Eddie Hung cea7441d8a Merge remote-tracking branch 'origin/master' into xc7dsp 2019-07-10 15:58:01 -07:00
Eddie Hung 6bbd286e03 Error out if -abc9 and -retime specified 2019-07-10 12:47:48 -07:00
David Shah 27b27b8781 synth_ecp5: Fix typo in copyright header 
Signed-off-by: David Shah <dave@ds0.me>
 2019-07-09 22:26:10 +01:00
David Shah c865559f95 xc7: Map combinational DSP48E1s 
Signed-off-by: David Shah <dave@ds0.me>
 2019-07-08 19:15:25 +01:00
David Shah 269ff450f5 Add mul2dsp multiplier splitting rule and ECP5 mapping 
Signed-off-by: David Shah <dave@ds0.me>
 2019-07-08 18:42:09 +01:00
Eddie Hung dd8d264bf5 install *_nowide.lut files 2019-06-29 19:37:04 -07:00
Eddie Hung 3f87575cb6 Disable boxing of ECP5 dist RAM due to regression 2019-06-28 09:46:36 -07:00
Eddie Hung 0318860b93 Add write address to abc_scc_break of ECP5 dist RAM 2019-06-28 09:45:48 -07:00
Eddie Hung b9ddee0c87 Fix DO4 typo 2019-06-28 09:45:40 -07:00
Eddie Hung 9398921af1 Refactor for one "abc_carry" attribute on module 2019-06-27 16:07:14 -07:00
Eddie Hung 6c256b8cda Merge origin/master 2019-06-27 11:20:15 -07:00
Eddie Hung 4de25a1949 Add WE to ECP5 dist RAM's abc_scc_break too 2019-06-26 20:02:19 -07:00
Eddie Hung a7a88109f5 Update comment on boxes 2019-06-26 20:00:15 -07:00
Eddie Hung 988e6163ab Add _nowide variants of LUT libraries in -nowidelut flows 2019-06-26 10:23:29 -07:00
Eddie Hung 799b18263f Merge branch 'koriakin/xc7nocarrymux' into xaig 2019-06-26 10:04:01 -07:00
Eddie Hung 4ce329aefd synth_ecp5 rename -nomux to -nowidelut, but preserve former 2019-06-26 09:33:48 -07:00
Eddie Hung 4fadb471a3 Re-enable dist RAM boxes for ECP5 2019-06-24 22:12:50 -07:00
Eddie Hung a4a7e63d84 Revert "Re-enable dist RAM boxes for ECP5" 
This reverts commit ca0225fcfa.
 2019-06-24 22:10:28 -07:00
Eddie Hung ca0225fcfa Re-enable dist RAM boxes for ECP5 2019-06-24 21:55:54 -07:00
Eddie Hung 6027549464 Add comments to ecp5 box 2019-06-22 14:33:47 -07:00
Eddie Hung 1abe93e48d Merge remote-tracking branch 'origin/master' into xaig 2019-06-21 17:43:29 -07:00
David Shah a0d3d2bb41 ecp5: Improve mapping of $alu when BI is used 
Signed-off-by: David Shah <dave@ds0.me>
 2019-06-21 09:45:11 +01:00
Eddie Hung b304744d15 Clean up 2019-06-18 09:50:37 -07:00
Eddie Hung 94314ae2d5 Comment out dist RAM boxing on ECP5 for now 2019-06-14 10:42:30 -07:00
Eddie Hung ee428f73ab Remove WIP ABC9 flop support 2019-06-14 10:37:52 -07:00
David Shah 9566573054 ecp5: Add abc9 option 
Signed-off-by: David Shah <dave@ds0.me>
 2019-06-14 17:15:02 +01:00
whitequark f3a26730b6 ECP5: implement all Diamond I/O buffer primitives. 2019-06-06 10:18:33 +00:00
Clifford Wolf 9d117eba9d Add handling of init attributes in "opt_expr -undriven" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-30 14:46:12 +02:00
David Shah 777864d02e ecp5: Demote conflicting FF init values to a warning 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-04 11:26:20 +00:00
Miodrag Milanovic ca2b3feed8 Fix ECP5 cells_sim for iverilog 2019-03-01 19:25:23 +01:00
Clifford Wolf 41e5028f98
Merge pull request #794 from daveshah1/ecp5improve 
ECP5 Improvements
 2019-02-28 14:46:56 -08:00
Larry Doolittle 61fc411c5d Clean up some whitepsace outliers 2019-02-26 09:39:46 -08:00
David Shah fa2f595cfa ecp5: Compatibility with Migen AsyncResetSynchronizer 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-02-25 13:24:30 +00:00
David Shah bb56cb738d ecp5: Add DDRDLLA 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-02-19 19:34:37 +00:00
David Shah c36f15b489 ecp5: Add DELAYF/DELAYG blackboxes 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-02-19 14:10:43 +00:00
David Shah e0bc190879 ecp5: Add ECLKSYNCB blackbox 
Signed-off-by: David Shah <dave@ds0.me>
 2019-02-13 11:23:25 +00:00
David Shah 7913baedd8 ecp5: Full set of IO-related blackboxes 
Signed-off-by: David Shah <dave@ds0.me>
 2019-02-12 12:04:41 +00:00
David Shah 95789c6136 ecp5: Use abc -dress 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-02-06 22:23:13 +01:00
David Shah 549b8e74b2 ecp5: Support for flipflop initialisation 
Signed-off-by: David Shah <dave@ds0.me>
 2019-01-22 16:02:56 +00:00
David Shah ee8c9e854f ecp5: Add LSRMODE to flipflops for PRLD support 
Signed-off-by: David Shah <dave@ds0.me>
 2019-01-21 12:35:22 +00:00
David Shah d8003e87d1 ecp5: More blackboxes 
Signed-off-by: David Shah <dave@ds0.me>
 2019-01-21 12:34:34 +00:00
David Shah 01ea72f53a ecp5: Increase threshold for ALU mapping 
Signed-off-by: David Shah <dave@ds0.me>
 2019-01-21 12:33:47 +00:00