Commit Graph

717 Commits

Author SHA1 Message Date
Keith Rothman 5e0339855f Add additional cells sim models for core 7-series primatives.
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
2019-04-09 09:01:53 -07:00
Eddie Hung 1d526b7f06 Call shregmap twice -- once for variable, another for fixed 2019-04-05 17:35:49 -07:00
Eddie Hung a5f33b5409 Move dffinit til after abc 2019-04-05 16:20:43 -07:00
Eddie Hung 0364a5d811 Merge branch 'eddie/fix_retime' into xc7srl 2019-04-05 15:46:18 -07:00
Eddie Hung 9758701574 Move techamp t:$_DFF_?N? to before abc call 2019-04-05 15:39:05 -07:00
Eddie Hung 23a6533e98 Retry 2019-04-05 15:31:54 -07:00
Eddie Hung 8b6085254a Resolve @daveshah1 comment, update synth_xilinx help 2019-04-05 15:15:13 -07:00
Eddie Hung ff0912c75e synth_xilinx to techmap FFs after abc call, otherwise -retime fails 2019-04-05 14:43:06 -07:00
Eddie Hung 544843da71 techmap inside map_cells stage 2019-04-05 12:55:52 -07:00
Eddie Hung 7b7ddbdba7 Merge branch 'map_cells_before_map_luts' into xc7srl 2019-04-04 08:13:34 -07:00
Eddie Hung e3f20b17af Missing techmap entry in help 2019-04-04 08:13:10 -07:00
Eddie Hung 2fb02247a7 Use soft-logic, not LUT3 instantiation 2019-04-04 08:10:40 -07:00
Eddie Hung 572603409c Merge branch 'map_cells_before_map_luts' into xc7srl 2019-04-04 07:54:42 -07:00
Eddie Hung d9cb787391 synth_xilinx to map_cells before map_luts 2019-04-04 07:48:13 -07:00
Eddie Hung 77755b5a66 Cleanup comments 2019-04-04 07:41:40 -07:00
Eddie Hung 736e19f02d t:$dff* -> t:$dff t:$dffe 2019-04-04 07:39:19 -07:00
Eddie Hung 0e2d929cea -nosrl meant when -nobram 2019-04-03 08:28:07 -07:00
Eddie Hung ff385a5ad0 Remove duplicate STARTUPE2 2019-04-03 08:14:09 -07:00
Eddie Hung 88630cd02c Disable shregmap in synth_xilinx if -retime 2019-04-03 07:14:20 -07:00
Miodrag Milanovic df92e9bdc2 Make nobram false by default for gowin 2019-04-02 19:21:01 +02:00
Eddie Hung f9fb05cf66 synth_xilinx to use shregmap with -minlen 3 2019-03-25 13:18:55 -07:00
Eddie Hung 46753cf89f Merge remote-tracking branch 'origin/master' into xc7srl 2019-03-22 13:10:42 -07:00
David Shah 46f6a60d58 xilinx: Add keep attribute where appropriate
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 13:57:17 +00:00
Eddie Hung 4cc6b3e942 Add '-nosrl' option to synth_xilinx 2019-03-21 15:04:44 -07:00
Eddie Hung 81c207fb9b Fine tune cells_map.v 2019-03-20 10:55:14 -07:00
Eddie Hung 505e4c2d59 Revert $__SHREG_ to orig; use $__XILINX_SHREG for variable length 2019-03-19 21:58:05 -07:00
Eddie Hung 5445cd4d00 Add support for variable length Xilinx SRL > 128 2019-03-19 17:44:33 -07:00
Eddie Hung ae2a625d05 Restore original synth_xilinx commands 2019-03-19 16:14:08 -07:00
Eddie Hung 9156e18f92 Fix spacing 2019-03-19 16:12:32 -07:00
Eddie Hung f239cb821e Fix INIT for variable length SRs that have been bumped up one 2019-03-19 14:54:43 -07:00
Eddie Hung 24553326dd Merge remote-tracking branch 'origin/master' into xc7srl 2019-03-19 13:11:30 -07:00
Clifford Wolf fe1fb1336b Add Xilinx negedge FFs to synth_xilinx dffinit call, fixes #873
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-03-19 20:30:28 +01:00
Eddie Hung fadeadb8c8 Only accept <128 for variable length, only if $shiftx exclusive 2019-03-16 08:51:13 -07:00
Eddie Hung 29a8d4745e Cleanup synth_xilinx 2019-03-15 23:01:40 -07:00
Eddie Hung 06f8f2654a Working 2019-03-15 19:13:40 -07:00
Eddie Hung e7ef7fa443 Reverse bits in INIT parameter for Xilinx, since MSB is shifted first 2019-03-14 09:38:42 -07:00
Eddie Hung af5706c2a3 Misspell 2019-03-14 09:06:56 -07:00
Eddie Hung 8af9979aab Revert "Add shregmap -init_msb_first and use in synth_xilinx"
This reverts commit 26ecbc1aee.
2019-03-14 09:01:48 -07:00
Eddie Hung f1a8e8a480 Merge remote-tracking branch 'origin/master' into xc7srl 2019-03-14 08:59:19 -07:00
Eddie Hung 26ecbc1aee Add shregmap -init_msb_first and use in synth_xilinx 2019-03-14 08:10:02 -07:00
Eddie Hung 79b4a275ce Fix cells_map for SRL 2019-03-14 08:09:48 -07:00
Eddie Hung edca2f1163 Move shregmap until after first techmap 2019-03-13 17:13:52 -07:00
Eddie Hung 24f129ddfb Refactor $__SHREG__ in cells_map.v 2019-03-13 16:17:54 -07:00
Clifford Wolf 9284cf92b8 Remove ice40/cells_sim.v hack to avoid warning for blocking memory writes
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-03-12 20:14:18 +01:00
Clifford Wolf ff4c2a14ae Fix typo in ice40_braminit help msg
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-03-09 13:24:55 -08:00
Clifford Wolf 2ace1b0041
Merge pull request #859 from smunaut/ice40_braminit
iCE40 BRAM primitives init from file
2019-03-09 13:24:10 -08:00
Sylvain Munaut 5b6f591033 ice40: Run ice40_braminit pass by default
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
2019-03-08 00:15:46 +01:00
Sylvain Munaut e71055cfe8 ice40: Add ice40_braminit pass to allow initialization of BRAM from file
This adds a INIT_FILE attribute to the SB_RAM40_4K blocks that will
initialize content from a hex file. Same behavior is imlemented in the
simulation model and in a new pass for actual synthesis

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
2019-03-08 00:15:46 +01:00
Clifford Wolf 350dfd3745 Add link to SF2 / igloo2 macro library guide
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-03-07 09:08:26 -08:00
Clifford Wolf 8b0719d1e3 Improvements in sf2 cells_sim.v
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-03-06 16:18:49 -08:00
Clifford Wolf 2d2c1617ee Add sf2 techmap rules for more FF types
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-03-06 15:47:54 -08:00
Clifford Wolf 78762316aa Refactor SF2 iobuf insertion, Add clkint insertion
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-03-06 00:41:02 -08:00
Clifford Wolf da5181a3df Improvements in SF2 flow and demo
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-03-05 20:36:00 -08:00
Clifford Wolf bfcd46dbd3
Merge pull request #842 from litghost/merge_upstream
Changes required for VPR place and route in synth_xilinx
2019-03-05 15:33:19 -08:00
Clifford Wolf 724576a4e2
Merge pull request #850 from daveshah1/ecp5_warn_conflict
ecp5: Demote conflicting FF init values to a warning
2019-03-05 15:23:01 -08:00
Clifford Wolf 13844c7658 Use "write_edif -pvector bra" for Xilinx EDIF files
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-03-05 15:16:13 -08:00
Keith Rothman 228f132ec3 Revert BRAM WRITE_MODE changes.
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
2019-03-04 09:22:22 -08:00
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
Keith Rothman 3e16f75bc6 Revert FF models to include IS_x_INVERTED parameters.
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
2019-03-01 14:41:21 -08:00
Keith Rothman 5ebeca12eb Use singular for disabling of DRAM or BRAM inference.
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
2019-03-01 14:35:14 -08:00
Keith Rothman eccaf101d8 Modify arguments to match existing style.
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
2019-03-01 12:14:27 -08:00
Keith Rothman 3090951d54 Changes required for VPR place and route synth_xilinx.
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
2019-03-01 12:02:27 -08:00
Miodrag Milanovic ca2b3feed8 Fix ECP5 cells_sim for iverilog 2019-03-01 19:25:23 +01:00
Clifford Wolf a82a7eb42e
Merge pull request #836 from elmsfu/ice40_2bit_ram_rw_mode
ice40: use 2 bits for READ/WRITE MODE for SB_RAM map
2019-02-28 20:27:27 -08:00
Elms cd2902ab1f ice40: use 2 bits for READ/WRITE MODE for SB_RAM map
EBLIF output .param will only use necessary 2 bits

Signed-off-by: Elms <elms@freshred.net>
2019-02-28 16:23:40 -08:00
Larry Doolittle e2fc18f27b Reduce amount of trailing whitespace in code base 2019-02-28 14:58:11 -08:00
Clifford Wolf 41e5028f98
Merge pull request #794 from daveshah1/ecp5improve
ECP5 Improvements
2019-02-28 14:46:56 -08:00
Eddie Hung 1da0909662 Remove SRL16/32 from cells_xtra 2019-02-28 13:56:45 -08:00
Eddie Hung 73ddab6960 Add SRL16 and SRL32 sim models 2019-02-28 13:56:22 -08:00
Eddie Hung 8aab7fe7e6 Fix SRL16/32 techmap off-by-one 2019-02-28 13:56:00 -08:00
Eddie Hung fe4d6898de synth_xilinx to call shregmap with enable support 2019-02-28 11:17:13 -08:00
Eddie Hung 68f38f2ee0 synth_xilinx to use shregmap with -params too 2019-02-28 10:21:05 -08:00
Eddie Hung c9ab18889a synth_xilinx to now have shregmap call after dff2dffe 2019-02-28 09:32:29 -08:00
Eddie Hung c29f0c5048 Add techmap rule for $__SHREG_DFF_P_ to SRL16/32 2019-02-28 09:31:24 -08:00
Larry Doolittle 7a40294e93 techlibs/greenpak4/cells_map.v: Harmonize whitespace within lut module 2019-02-26 09:40:46 -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
Clifford Wolf 344afdcd5f
Merge pull request #740 from daveshah1/improve_dress
Improve ABC netname preservation
2019-02-22 01:16:34 +01:00
Clifford Wolf 2fe1c830eb Bugfix in ice40_dsp
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-02-21 13:28:46 +01:00
Clifford Wolf 84999a7e68 Add ice40 test_dsp_map test case generator
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-02-20 17:18:59 +01:00
Clifford Wolf 218e9051bb Add "synth_ice40 -dsp"
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-02-20 16:42:27 +01:00
Clifford Wolf 7bf4e4a185 Improve iCE40 SB_MAC16 model
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-02-20 12:55:20 +01:00
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
Clifford Wolf 62493c91b2 Add first draft of functional SB_MAC16 model
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-02-19 14:47:27 +01:00
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 7ef2333497 ice40: Use abc -dress in synth_ice40
Signed-off-by: David Shah <davey1576@gmail.com>
2019-02-06 22:23:13 +01:00
Miodrag Milanovic 0de328da8f Fixed Anlogic simulation model 2019-01-25 19:25:25 +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
Clifford Wolf db5765b443 Add SF2 IO buffer insertion
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-01-17 14:38:37 +01:00
Clifford Wolf 841ca74c90 Add "synth_sf2 -vlog", fix "synth_sf2 -edif"
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-01-17 13:33:45 +01:00
Clifford Wolf e041ae3c6d
Merge pull request #777 from mmicko/achronix_cell_sim_fix
Fix cells_sim.v for Achronix FPGA
2019-01-04 15:18:18 +01:00
Miodrag Milanovic 50ef4561d4 Fix cells_sim.v for Achronix FPGA 2019-01-04 15:15:23 +01:00
Miodrag Milanovic 3b17c9018a Unify usage of noflatten among architectures 2019-01-04 11:37:25 +01:00
Clifford Wolf 56ca1e6afc
Merge pull request #755 from Icenowy/anlogic-dram-init
anlogic: implement DRAM initialization
2019-01-02 16:28:18 +01:00