Commit Graph

56 Commits

Author SHA1 Message Date
tangxifan 62a437a3a1
Merge branch 'master' into patch-3 2022-10-21 09:41:26 -07:00
mustafa.arslan db0e5dff93
Added new cell library for fracturable dsp36
Added new divisible 36x36 multiplier cell library for architectures which has fracturable dsp36:
- The 36x36 multiplier is form from sixteen 9x9 multipliers. 
- It operates same modes with existing library. It can operate in 3 fracturable modes:
                  1. one 36-bit multiplier
                  2. two 18-bit multipliers
                  3. four 9-bit multipliers
- It provides ~%20 better area than existing cell library (mult_36x36.v)
      Comparison made with Synopsys Design Compiler NXT:
               mult_36x36.v           Total cell area     20470 um2
               frac_mult_36x36.v   Total cell area     15103 um2
2022-10-21 17:30:20 +03:00
Yunus Emre ERYILMAZ 29d4b3cced
Update frac_mem_32k.v
1. Mixed use of non-blocking and blocking statements are unsynthesizable in Synopsys Design Compiler.
2. While defining a multidimensional array, the first array size is for the length and the second one is for the depth. The order for ram_a and ram_b arrays was wrong and it caused "out of bounds" error in DC.
2022-10-20 09:48:29 +03:00
Yunus Emre ERYILMAZ f62d435b1e
Update frac_mem_32k.v 2022-10-12 09:35:35 +03:00
tangxifan 812af4f722 [arch] add arch that supports negative edge triggered flip-flop 2022-05-09 16:32:01 +08:00
tangxifan c8ff3fc8dc [test] add regression test to validate compilation of openfpga cell library files 2022-05-09 16:00:51 +08:00
tangxifan d4992fd9ad [HDL] Add a multi-mode ff which can support posedge and negedge 2022-05-09 15:52:17 +08:00
tangxifan fdaf97e60d [Test] Update test case by using GPIO with config_done signals 2022-02-24 09:49:34 -08:00
tangxifan fcaff28e24 [HDL] Add a new IO cell with config_done support 2022-02-24 09:46:55 -08:00
tangxifan b27a04eb24 [Test] Now test case has a config done CCFF 2022-02-23 22:07:11 -08:00
tangxifan ff264c00a2 Merge branch 'master' of https://github.com/lnis-uofu/OpenFPGA into upstream 2021-10-31 11:51:34 -07:00
tangxifan 0a449cc24c [HDL] Fixed critical bugs in multi-mode FF HDL modeling, which caused reset signal unconnected 2021-10-30 11:45:01 -07:00
tangxifan 0b06820177 [HDL] Update the WL CCFF HDL modeling by adding Write-Enable signals 2021-10-01 17:06:35 -07:00
tangxifan 2ce2fb269a [HDL] Added a different FF model which is designed to drive WLW only 2021-09-28 12:35:13 -07:00
tangxifan 6469ee3048 [HDL] Update DFF modules by adding custom cells required by shift registers in BL/WLs 2021-09-28 12:21:54 -07:00
tangxifan d36d1ebee2 [HDL] Temporarily disable WLR func in primitive HDL modeling 2021-09-20 17:07:51 -07:00
tangxifan 5c1c428ea5 [HDL] Updated cell library with the SRAM cell with Read Enable signal 2021-09-20 11:13:36 -07:00
tangxifan 477e535344 [HDL] Added a multi-mode FF design with configurable asynchronous reset 2021-07-02 11:13:03 -06:00
tangxifan 75a12e55de [HDL] Remove the instrusive signal initialization in the configuration flip-flop HDL codes 2021-06-29 11:40:22 -06:00
tangxifan 63309ba72b [HDL] Patch dpram cell 2021-04-27 23:42:31 -06:00
tangxifan e67095edd2 [HDL] Add 16k-bit dual port ram verilog 2021-04-27 19:55:16 -06:00
tangxifan 8b8096f3a8 [HDL] Bug fix in HDL modeling of multi-mode 16-bit DSP block 2021-04-24 14:57:09 -06:00
tangxifan c44688739d [HDL] Add verilog netlist for the fracturable 16-bit multiplier blocks 2021-04-23 22:12:26 -06:00
tangxifan adfea88be2 [HDL] Rename multi-mode DFF module 2021-04-21 20:06:03 -06:00
tangxifan 62497549b6 [HDL] Add multi-mode DFF module 2021-04-21 20:04:40 -06:00
tangxifan 108c84a022 [HDL] Add HDL for 8-bit single-mode multiplier 2021-03-23 15:36:09 -06:00
tangxifan f9dc7c1b54 [HDL] Add dual-port RAM 1024x8 bit HDL decription as a primitive module of OpenFPGA cells 2021-03-17 15:15:22 -06:00
tangxifan bb2a02c9ad [HDL] Patch the superLUT HDL code to be consistent with (qlf_k4n8_sim.v)[https://github.com/lnsharma/yosys/blob/add_qlf_k4n8_dev/techlibs/quicklogic/qlf_k4n8_cells_sim.v] 2021-03-11 15:23:14 -07:00
tangxifan d85d6e964e
Merge pull request #227 from watcag/master
Standard-cell flow
2021-02-17 10:11:34 -07:00
tangxifan e683e00032 [HDL] Add disclaimer for the frac_lut4_arith HDL codes 2021-02-10 14:50:11 -07:00
tangxifan 22e675148e [HDL] Add HDL codes for a super LUT with embedded carry logic 2021-02-09 21:13:22 -07:00
Nachiket Kapre cc74c6268a trying fix chan width 2021-02-09 11:28:19 -05:00
Nachiket Kapre 95fe4d7dae adding dff synth 2021-02-09 10:34:54 -05:00
Nachiket Kapre d7967da328 bugfix in alt 2021-02-08 23:04:00 -05:00
Nachiket Kapre 485708423c no need for dff*, but need tap_buf4 2021-02-08 23:00:13 -05:00
Nachiket Kapre cf154d8bb9 no need for dff*, but need tap_buf4 2021-02-08 22:29:55 -05:00
Nachiket Kapre e14c0bf0c4 no need for dff*, but need tap_buf4 2021-02-08 22:28:42 -05:00
Nachiket Kapre 45437fbc46 no need for dff*, but need tap_buf4 2021-02-08 22:27:57 -05:00
Nachiket Kapre 853bf8af43 typos fixed; 2021-02-08 22:03:14 -05:00
Nachiket Kapre 0c6d27cf7e merge for consideration; 2021-02-08 21:26:48 -05:00
tangxifan b215b868c1 [HDL] Bug fix in HDL netlist due to port name mismatching 2021-02-01 11:35:25 -07:00
tangxifan e0e2506e32 [HDL] Remove redundant comments 2021-02-01 10:33:08 -07:00
tangxifan 39543f7945 [HDL] Add carry mux2 to cell library 2021-02-01 10:23:46 -07:00
AurelienAlacchi 3f5cc59c0a
Microbenchmarks of Single-Port RAM and Associated Example Architecture Files as well as Test Cases (#200)
* Add required files for LUTRAM integration and testing

* Add task for lutram

* Repair format (tab and space mismatched)

* Add disclaimer in architecture file

Co-authored-by: Aur??Lien ALACCHI <u1235811@lnissrv4.eng.utah.edu>
2021-01-29 10:19:05 -07:00
tangxifan 709ee1b842 [HDL] Update dff netlist for SCFF used in configuration chain 2021-01-04 17:17:35 -07:00
tangxifan 722a9bcf63 [HDL] Add scan-chain DFF cell with configuration enable signal 2021-01-04 14:31:26 -07:00
tangxifan ff53d2c375 [HDL] Add new Scan-chain DFF cell 2020-11-30 17:54:10 -07:00
tangxifan ad703ad85b [HDL] Add new gpio cell with protection circuitry 2020-11-30 17:52:39 -07:00
tangxifan 5eb04e6fff [HDL] Correct bugs in MUX2 standard cell where iverilog has problems in deposit initial signals 2020-11-22 20:53:32 -07:00
tangxifan 1a79a55646 [HDL] Add DFF cell with reset but only 1 output 2020-11-06 11:19:19 -07:00