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4763 commits 122 branches 59 tags 73 MiB
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642 commits

Author SHA1 Message Date
Clifford Wolf
0e7901e45c
Merge pull request #941 from Wren6991/sim_lib_io_clke 
ice40 cells_sim.v: update clock enable behaviour based on hardware experiments
 2019-04-22 09:11:13 +02:00
Clifford Wolf
913659d644 Merge branch 'master' of https://github.com/dh73/yosys_gowin into dh73-master 2019-04-22 09:09:27 +02:00
Clifford Wolf
cf1ba46fa0 Re-added clean after techmap in synth_xilinx 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-22 09:03:11 +02:00
Clifford Wolf
cbd9b8a3f3
Merge pull request #916 from YosysHQ/map_cells_before_map_luts 
synth_xilinx to map_cells before map_luts
 2019-04-22 09:01:00 +02:00
Clifford Wolf
19fd411e77
Merge pull request #911 from mmicko/gowin-nobram 
Make nobram false by default for gowin
 2019-04-22 08:58:09 +02:00
Eddie Hung
a3371e118b Merge branch 'master' into map_cells_before_map_luts 2019-04-21 14:24:50 -07:00
Luke Wren
71da836300 ice40 cells_sim.v: SB_IO: update clock enable behaviour based on hardware experiments 2019-04-21 21:40:11 +01:00
Eddie Hung
6008bb7002 Revert "synth_* with -retime option now calls abc with -D 1 as well" 
This reverts commit 9a6da9a79a.
 2019-04-18 07:59:16 -07:00
Eddie Hung
0642baabbc Merge branch 'master' into eddie/fix_retime 2019-04-18 07:57:17 -07:00
Diego
f9272fc56d GoWin enablement: DRAM, initial BRAM, DRAM init, DRAM sim and synth_gowin flow 2019-04-12 23:40:02 -05:00
Eddie Hung
db1a5ec6a2
Merge pull request #928 from litghost/add_xc7_sim_models 
Add additional cells sim models for core 7-series primitives.
 2019-04-12 11:52:45 -07:00
Keith Rothman
1f9235ede5 Remove BUFGCTRL, BUFHCE and LUT6_2 from cells_xtra. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2019-04-12 09:35:15 -07:00
Diego
643ae9bfc5 Fixing issues in CycloneV cell sim 2019-04-11 19:59:03 -05:00
Eddie Hung
9a6da9a79a synth_* with -retime option now calls abc with -D 1 as well 2019-04-10 08:32:53 -07:00
Keith Rothman
e107ccdde8 Fix LUT6_2 definition. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2019-04-09 11:43:19 -07:00
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
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
e3f20b17af Missing techmap entry in help 2019-04-04 08:13:10 -07:00
Eddie Hung
d9cb787391 synth_xilinx to map_cells before map_luts 2019-04-04 07:48:13 -07:00
Miodrag Milanovic
df92e9bdc2 Make nobram false by default for gowin 2019-04-02 19:21:01 +02:00
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
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
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
Larry Doolittle
7a40294e93 techlibs/greenpak4/cells_map.v: Harmonize whitespace within lut module 2019-02-26 09:40:46 -08:00