soclayout.git
3 years agocode-comments
Luke Kenneth Casson Leighton [Mon, 19 Apr 2021 17:38:27 +0000 (17:38 +0000)]
code-comments

3 years agoadd two SRAMs, document how to do more
Luke Kenneth Casson Leighton [Mon, 19 Apr 2021 17:34:30 +0000 (17:34 +0000)]
add two SRAMs, document how to do more

3 years agoargh, found the blackbox problem: yosys is "doing the right thing" and
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 23:30:08 +0000 (23:30 +0000)]
argh, found the blackbox problem: yosys is "doing the right thing" and
identifying spblock as a cell (there are 4 used, therefore it gets identified
as a cell).
also because the blackbox is empty, yosys is optimising it out.
therefore, solution: put something (q = d) into the blackbox, and make
4 each with different names.
yes, it is awful, but it works

3 years agotry renaming spblock without the underscore
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 22:37:50 +0000 (22:37 +0000)]
try renaming spblock without the underscore

3 years agotry changing layout of blackbox spblock_512w64b8w
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 22:34:07 +0000 (22:34 +0000)]
try changing layout of blackbox spblock_512w64b8w

3 years agoexperimenting with blackboxes
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 20:51:26 +0000 (20:51 +0000)]
experimenting with blackboxes

3 years agorename spblock_512w64b8w, and vco_test_ana for pll
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 20:43:31 +0000 (20:43 +0000)]
rename spblock_512w64b8w, and vco_test_ana for pll

3 years agorename blackboxes to lowercase, spblock_512w64b8w, pll
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 20:20:50 +0000 (20:20 +0000)]
rename blackboxes to lowercase, spblock_512w64b8w, pll

3 years agoupdate ls180 sram4k
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 20:19:48 +0000 (20:19 +0000)]
update ls180 sram4k

3 years agoadd yosys BLACKBOX SPBlock_512W64B8W - still blif2vst.py complains
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 13:51:46 +0000 (13:51 +0000)]
add yosys BLACKBOX SPBlock_512W64B8W - still blif2vst.py complains

3 years agomust use VST_FLAGS uniquify uppercase
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 13:39:42 +0000 (13:39 +0000)]
must use VST_FLAGS uniquify uppercase

3 years agosort out adding SPBlock_512 SRAM verilog to ls180
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 13:34:22 +0000 (13:34 +0000)]
sort out adding SPBlock_512 SRAM verilog to ls180

3 years agoupdate tsmc_018 4k build script
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 10:55:53 +0000 (10:55 +0000)]
update tsmc_018 4k build script

3 years agouse correct arguments to litex build to create 4k srams sigh
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 10:53:42 +0000 (10:53 +0000)]
use correct arguments to litex build to create 4k srams sigh

3 years agorename ls180sram4k to ls180
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 10:30:01 +0000 (10:30 +0000)]
rename ls180sram4k to ls180

3 years agoadd full core variant including 4k sram of ls180
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 10:28:19 +0000 (10:28 +0000)]
add full core variant including 4k sram of ls180

3 years agoupdate libresoc.v, c4m-jtag fsm was renamed
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 10:27:10 +0000 (10:27 +0000)]
update libresoc.v, c4m-jtag fsm was renamed

3 years agoupdate libresoc.v, c4m-jtag fsm was renamed
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 10:26:57 +0000 (10:26 +0000)]
update libresoc.v, c4m-jtag fsm was renamed

3 years agoadd an SRAM and wishbone to add test (makes it bigger)
Luke Kenneth Casson Leighton [Wed, 14 Apr 2021 19:29:22 +0000 (19:29 +0000)]
add an SRAM and wishbone to add test (makes it bigger)
also enable HFNS.  this to test cocotb-ghdl

3 years agoconnect up boundary scan to inputs/outputs
Luke Kenneth Casson Leighton [Wed, 14 Apr 2021 10:04:31 +0000 (10:04 +0000)]
connect up boundary scan to inputs/outputs

3 years agosubmodule update
Luke Kenneth Casson Leighton [Tue, 13 Apr 2021 18:52:49 +0000 (18:52 +0000)]
submodule update

3 years agouse METAL10 for topRoutingLayer
Luke Kenneth Casson Leighton [Tue, 13 Apr 2021 18:52:42 +0000 (18:52 +0000)]
use METAL10 for topRoutingLayer

3 years agowhoops forgot settings.py
Luke Kenneth Casson Leighton [Tue, 13 Apr 2021 13:50:45 +0000 (13:50 +0000)]
whoops forgot settings.py

3 years agosubmodule update
Luke Kenneth Casson Leighton [Mon, 12 Apr 2021 22:34:52 +0000 (22:34 +0000)]
submodule update

3 years agoset routingGauge manually
Luke Kenneth Casson Leighton [Mon, 12 Apr 2021 22:34:37 +0000 (22:34 +0000)]
set routingGauge manually

3 years agoenable HFNS in adder
Luke Kenneth Casson Leighton [Mon, 12 Apr 2021 18:27:51 +0000 (18:27 +0000)]
enable HFNS in adder

3 years agoinclude (but do not use) FreePDK45 in experiments10
Luke Kenneth Casson Leighton [Mon, 12 Apr 2021 18:00:29 +0000 (18:00 +0000)]
include (but do not use) FreePDK45 in experiments10

3 years agodifferent FreePDK45 experiments10 chip size
Luke Kenneth Casson Leighton [Mon, 12 Apr 2021 16:58:07 +0000 (16:58 +0000)]
different FreePDK45 experiments10 chip size

3 years agoexperimentation to get experiment10_verilog work with FreePDK
Luke Kenneth Casson Leighton [Mon, 12 Apr 2021 16:44:51 +0000 (16:44 +0000)]
experimentation to get experiment10_verilog work with FreePDK

3 years agoadd FreePDK45 experiments10_verilog doDesign.py
Luke Kenneth Casson Leighton [Mon, 12 Apr 2021 16:33:21 +0000 (16:33 +0000)]
add FreePDK45 experiments10_verilog doDesign.py

3 years agoadd FreePDK45 variant of experiments10_verilog
Luke Kenneth Casson Leighton [Mon, 12 Apr 2021 16:15:38 +0000 (16:15 +0000)]
add FreePDK45 variant of experiments10_verilog

3 years agoupdate PLL signal output names
Luke Kenneth Casson Leighton [Mon, 12 Apr 2021 14:06:53 +0000 (14:06 +0000)]
update PLL signal output names

3 years agodoDesign.py: Disable SRAM placement
Staf Verhaegen [Mon, 12 Apr 2021 11:24:54 +0000 (13:24 +0200)]
doDesign.py: Disable SRAM placement

3 years agoReduce core size.
Staf Verhaegen [Mon, 12 Apr 2021 11:24:28 +0000 (13:24 +0200)]
Reduce core size.

Using 45nm cells makes the design Pad limited.

3 years agorename sys_clk in adder test experiments10_verilog (success compile)
Luke Kenneth Casson Leighton [Mon, 12 Apr 2021 10:56:53 +0000 (10:56 +0000)]
rename sys_clk in adder test experiments10_verilog (success compile)

3 years agorename JTAG port in adder test experiments10_verilog (success compile)
Luke Kenneth Casson Leighton [Mon, 12 Apr 2021 10:54:57 +0000 (10:54 +0000)]
rename JTAG port in adder test experiments10_verilog (success compile)

3 years agoback to "working" verilog add
Luke Kenneth Casson Leighton [Mon, 12 Apr 2021 10:48:42 +0000 (10:48 +0000)]
back to "working" verilog add

3 years agoanother attempt to get 100% completed route
Luke Kenneth Casson Leighton [Mon, 12 Apr 2021 10:06:44 +0000 (10:06 +0000)]
another attempt to get 100% completed route

3 years agoRight branch of c4m-pdk-freedpk45.
Staf Verhaegen [Mon, 12 Apr 2021 08:02:47 +0000 (10:02 +0200)]
Right branch of c4m-pdk-freedpk45.

3 years agogood grief, increasing ls180 core size to 70,000, 100% route attempt
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 21:49:46 +0000 (21:49 +0000)]
good grief, increasing ls180 core size to 70,000, 100% route attempt

3 years agoincrease core size to see if global routing can be achieved
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 20:09:38 +0000 (20:09 +0000)]
increase core size to see if global routing can be achieved

3 years agowhitespace cleanup
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 20:03:15 +0000 (20:03 +0000)]
whitespace cleanup

3 years agouse auto-generated pinmux ioPadsSpecs
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 17:38:19 +0000 (17:38 +0000)]
use auto-generated pinmux ioPadsSpecs

3 years agosubmodule conflict (update again)
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 17:23:18 +0000 (17:23 +0000)]
submodule conflict (update again)

3 years agouse verilog version of ls180 in FreePDK_c4m45
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 17:21:32 +0000 (17:21 +0000)]
use verilog version of ls180 in FreePDK_c4m45

3 years agoUpdate c4m-pdk-freepdk45 submodule.
Staf Verhaegen [Sun, 11 Apr 2021 16:14:07 +0000 (18:14 +0200)]
Update c4m-pdk-freepdk45 submodule.

3 years agocrank up the numbers (again)
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 16:07:19 +0000 (16:07 +0000)]
crank up the numbers (again)

3 years agoWip of P&R of ls180 with C4M FreePDK45.
Staf Verhaegen [Sun, 11 Apr 2021 15:38:45 +0000 (17:38 +0200)]
Wip of P&R of ls180 with C4M FreePDK45.

build_full.sh can run til after `make vst`,
`make lvx` fails.

3 years agoexperiments9: Ignore pinmux generated files.
Staf Verhaegen [Sun, 11 Apr 2021 15:14:13 +0000 (17:14 +0200)]
experiments9: Ignore pinmux generated files.

3 years agomksym.sh: Check exitence of alliance-check-toolkit
Staf Verhaegen [Sun, 11 Apr 2021 15:13:47 +0000 (17:13 +0200)]
mksym.sh: Check exitence of alliance-check-toolkit

3 years agoSubmodule for C4M FreePDK45 PDK release files.
Staf Verhaegen [Sun, 11 Apr 2021 15:03:50 +0000 (17:03 +0200)]
Submodule for C4M FreePDK45 PDK release files.

Use released-libresoc branch.

3 years agocrank up the numbers to see if routing completion can be achieved
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 11:32:15 +0000 (11:32 +0000)]
crank up the numbers to see if routing completion can be achieved

3 years agoincrease katana tracks reserved
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 10:43:20 +0000 (10:43 +0000)]
increase katana tracks reserved

3 years agouse verilog for ls180 instead of ilang
Luke Kenneth Casson Leighton [Sat, 10 Apr 2021 19:57:45 +0000 (19:57 +0000)]
use verilog for ls180 instead of ilang

3 years agomake VST names unique, for GHDL to cope
Luke Kenneth Casson Leighton [Sat, 10 Apr 2021 11:23:38 +0000 (11:23 +0000)]
make VST names unique, for GHDL to cope

3 years agosigh, broken experiment10_verilog
Luke Kenneth Casson Leighton [Fri, 9 Apr 2021 16:16:15 +0000 (16:16 +0000)]
sigh, broken experiment10_verilog

3 years agowhitespace
Luke Kenneth Casson Leighton [Fri, 9 Apr 2021 15:58:58 +0000 (15:58 +0000)]
whitespace

3 years agowhitespace cleanup
Luke Kenneth Casson Leighton [Fri, 9 Apr 2021 15:55:38 +0000 (15:55 +0000)]
whitespace cleanup

3 years agopad name starts with p_
Luke Kenneth Casson Leighton [Fri, 9 Apr 2021 15:55:29 +0000 (15:55 +0000)]
pad name starts with p_

3 years agorename design of experiments10 to match ls180 chip pads
Luke Kenneth Casson Leighton [Fri, 9 Apr 2021 12:05:11 +0000 (12:05 +0000)]
rename design of experiments10 to match ls180 chip pads

3 years agoexperiment with nmigen verilog generation
Luke Kenneth Casson Leighton [Fri, 2 Apr 2021 12:37:38 +0000 (12:37 +0000)]
experiment with nmigen verilog generation

3 years agoupdate / refresh full core DFF
Luke Kenneth Casson Leighton [Thu, 1 Apr 2021 22:41:07 +0000 (22:41 +0000)]
update / refresh full core DFF

3 years agoupdate / refresh full core DFF
Luke Kenneth Casson Leighton [Thu, 1 Apr 2021 22:29:06 +0000 (22:29 +0000)]
update / refresh full core DFF

3 years agorun doChipFloorplan in experiments10
Luke Kenneth Casson Leighton [Thu, 1 Apr 2021 16:35:18 +0000 (16:35 +0000)]
run doChipFloorplan in experiments10

3 years agoincrease experiment10 JTAG tap width to 4
Luke Kenneth Casson Leighton [Thu, 1 Apr 2021 16:30:45 +0000 (16:30 +0000)]
increase experiment10 JTAG tap width to 4

3 years agoupdate submodule
Luke Kenneth Casson Leighton [Thu, 1 Apr 2021 16:04:37 +0000 (16:04 +0000)]
update submodule

3 years agoupdate 4k SRAM ls180.il
Luke Kenneth Casson Leighton [Tue, 30 Mar 2021 10:55:43 +0000 (10:55 +0000)]
update 4k SRAM ls180.il

3 years agoadd yosys version number
Luke Kenneth Casson Leighton [Tue, 30 Mar 2021 09:45:45 +0000 (09:45 +0000)]
add yosys version number

3 years agoMerge branch 'master' of ssh://libre-riscv.org:922/soclayout
Jean-Paul Chaput [Mon, 29 Mar 2021 18:54:32 +0000 (20:54 +0200)]
Merge branch 'master' of ssh://libre-riscv.org:922/soclayout

3 years agoAdd a placeholder for the PLL in the doDesign.py for ls180.
Jean-Paul Chaput [Mon, 29 Mar 2021 18:53:40 +0000 (20:53 +0200)]
Add a placeholder for the PLL in the doDesign.py for ls180.

3 years agoRevert "enable high fanout in ls180 experiment9 doDesign.py"
Luke Kenneth Casson Leighton [Mon, 29 Mar 2021 18:30:57 +0000 (18:30 +0000)]
Revert "enable high fanout in ls180 experiment9 doDesign.py"

This reverts commit 309301fd58ed12bec149292a40bf1a3c1507d36d.

3 years agoenable high fanout in ls180 experiment9 doDesign.py
Luke Kenneth Casson Leighton [Mon, 29 Mar 2021 17:19:23 +0000 (17:19 +0000)]
enable high fanout in ls180 experiment9 doDesign.py

3 years agoaaagh found bug in litex setup, 64 bit WB bus was truncated
Luke Kenneth Casson Leighton [Mon, 29 Mar 2021 07:18:29 +0000 (07:18 +0000)]
aaagh found bug in litex setup, 64 bit WB bus was truncated

3 years agoreduce SPR regfile size considerably
Luke Kenneth Casson Leighton [Sun, 28 Mar 2021 17:07:22 +0000 (17:07 +0000)]
reduce SPR regfile size considerably

3 years agoreduce INT and FAST regfile sizes by sharing ports
Luke Kenneth Casson Leighton [Sun, 28 Mar 2021 14:41:40 +0000 (14:41 +0000)]
reduce INT and FAST regfile sizes by sharing ports

3 years agoadd missing floorplan function call
Luke Kenneth Casson Leighton [Sat, 27 Mar 2021 20:27:47 +0000 (20:27 +0000)]
add missing floorplan function call

3 years agohooray, corrected pinouts
Luke Kenneth Casson Leighton [Sat, 27 Mar 2021 20:27:34 +0000 (20:27 +0000)]
hooray, corrected pinouts

3 years agoreally weird error "unsupported direction for eint" which makes no sense
Luke Kenneth Casson Leighton [Sat, 27 Mar 2021 17:38:26 +0000 (17:38 +0000)]
really weird error "unsupported direction for eint" which makes no sense

3 years agoUodated doDesign for the latest ls180 (sram variant).
Jean-Paul Chaput [Tue, 23 Mar 2021 19:25:33 +0000 (20:25 +0100)]
Uodated doDesign for the latest ls180 (sram variant).

3 years agoincrease DFF RAM size slightly
Luke Kenneth Casson Leighton [Mon, 22 Mar 2021 17:20:45 +0000 (17:20 +0000)]
increase DFF RAM size slightly

3 years agoadd very small DFF srams variant
Luke Kenneth Casson Leighton [Mon, 22 Mar 2021 17:15:00 +0000 (17:15 +0000)]
add very small DFF srams variant

3 years agocreate small dff with 4x 4k SRAMs
Luke Kenneth Casson Leighton [Mon, 22 Mar 2021 17:08:46 +0000 (17:08 +0000)]
create small dff with 4x 4k SRAMs

3 years agols180.il update
Luke Kenneth Casson Leighton [Mon, 22 Mar 2021 12:57:00 +0000 (12:57 +0000)]
ls180.il update

3 years agoargh pinmux generating bi-directional SDR DM when it should be output
Luke Kenneth Casson Leighton [Mon, 22 Mar 2021 12:43:36 +0000 (12:43 +0000)]
argh pinmux generating bi-directional SDR DM when it should be output

3 years agoupdate ls180.il
Luke Kenneth Casson Leighton [Thu, 18 Mar 2021 12:51:21 +0000 (12:51 +0000)]
update ls180.il

3 years agoupdate submodule
Luke Kenneth Casson Leighton [Tue, 16 Mar 2021 17:40:41 +0000 (17:40 +0000)]
update submodule

3 years agoupdate ls180.il 4ksram with correct sdram connections
Luke Kenneth Casson Leighton [Tue, 16 Mar 2021 17:39:59 +0000 (17:39 +0000)]
update ls180.il 4ksram with correct sdram connections

3 years agoAdd experiment9/symbolic to test the multiple drivers problem.
Jean-Paul Chaput [Tue, 16 Mar 2021 11:41:34 +0000 (12:41 +0100)]
Add experiment9/symbolic to test the multiple drivers problem.

3 years agoMerge branch 'master' of ssh://libre-riscv.org:922/soclayout
Jean-Paul Chaput [Sun, 14 Mar 2021 16:04:58 +0000 (17:04 +0100)]
Merge branch 'master' of ssh://libre-riscv.org:922/soclayout

3 years agoAdjusted doDesign.py scripts to use Chip.doChipFloorplan().
Jean-Paul Chaput [Sun, 14 Mar 2021 15:37:19 +0000 (16:37 +0100)]
Adjusted doDesign.py scripts to use Chip.doChipFloorplan().

3 years agotry alternative pad/core connection
Luke Kenneth Casson Leighton [Thu, 11 Mar 2021 11:31:22 +0000 (11:31 +0000)]
try alternative pad/core connection

3 years agoForgot the Makefile, stupid!
Jean-Paul Chaput [Tue, 9 Mar 2021 10:24:50 +0000 (11:24 +0100)]
Forgot the Makefile, stupid!

3 years agoFirst working version of the Flexlib + P&R flow for the ls180+SRAM.
Jean-Paul Chaput [Tue, 9 Mar 2021 10:01:04 +0000 (11:01 +0100)]
First working version of the Flexlib + P&R flow for the ls180+SRAM.

Note: It is working in the sense that the flow complete, but is stills
      contains various errors that needs fixing.
        We discoupled from pinmux as core2chip have problems associating
      the pad instances names with the relevant core signals.
        We guessed a pad placement from pinmux, but it seems a bit odd
      to me...

3 years agoadd blackbox SPBlock 4k SRAM module
Luke Kenneth Casson Leighton [Sat, 6 Mar 2021 00:30:42 +0000 (00:30 +0000)]
add blackbox SPBlock 4k SRAM module

3 years agoremove sram 4k wb bte/cti
Luke Kenneth Casson Leighton [Fri, 5 Mar 2021 23:10:35 +0000 (23:10 +0000)]
remove sram 4k wb bte/cti

3 years agolitex expects wishbone "err" signals, added to sram 4k
Luke Kenneth Casson Leighton [Fri, 5 Mar 2021 21:09:25 +0000 (21:09 +0000)]
litex expects wishbone "err" signals, added to sram 4k

3 years agorename sram_4k wishbone interface to actually like include "wishbone"?
Luke Kenneth Casson Leighton [Fri, 5 Mar 2021 19:19:18 +0000 (19:19 +0000)]
rename sram_4k wishbone interface to actually like include "wishbone"?

3 years agoAdded support files for ls180+SRAM on TSMC 180nm.
Jean-Paul Chaput [Fri, 5 Mar 2021 10:14:02 +0000 (11:14 +0100)]
Added support files for ls180+SRAM on TSMC 180nm.

3 years agoadd blackbox attribute manually to SPBlock_512W64B8W
Luke Kenneth Casson Leighton [Wed, 3 Mar 2021 22:03:40 +0000 (22:03 +0000)]
add blackbox attribute manually to SPBlock_512W64B8W

3 years agoMerge branch 'master' of ssh://libre-riscv.org:922/soclayout
Jean-Paul Chaput [Tue, 2 Mar 2021 12:02:14 +0000 (13:02 +0100)]
Merge branch 'master' of ssh://libre-riscv.org:922/soclayout