Commit Graph

710 Commits

Author SHA1 Message Date
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
Clifford Wolf 979de95cf6
Merge pull request #750 from Icenowy/anlogic-ff-init
Initialization of Anlogic DFFs
2019-01-02 15:52:22 +01:00
Clifford Wolf da1c8d8d3d
Merge pull request #772 from whitequark/synth_lut
synth: add k-LUT mode
2019-01-02 15:44:57 +01:00
Clifford Wolf 00330c741a
Merge pull request #771 from whitequark/techmap_cmp2lut
cmp2lut: new techmap pass
2019-01-02 15:43:10 +01:00
whitequark efa278e232 Fix typographical and grammatical errors and inconsistencies.
The initial list of hits was generated with the codespell command
below, and each hit was evaluated and fixed manually while taking
context into consideration.

    DIRS="kernel/ frontends/ backends/ passes/ techlibs/"
    DIRS="${DIRS} libs/ezsat/ libs/subcircuit"
    codespell $DIRS -S *.o -L upto,iff,thru,synopsys,uint

More hits were found by looking through comments and strings manually.
2019-01-02 13:12:17 +00:00
whitequark 17b2831356 synth_ice40: use 4-LUT coarse synthesis mode. 2019-01-02 08:25:55 +00:00
whitequark 18174202a9 synth: add k-LUT mode. 2019-01-02 08:25:03 +00:00
whitequark fdff32dd73 synth: improve script documentation. NFC. 2019-01-02 08:05:44 +00:00