Sky130: Add lib to contain all logic libraries, add hd low leakage lo…

…gic library (#28)

* Sky130: Add lib to contain all logic libraries, add hd low leakage logic library

* Fix linter error

* Regenerate lambdalib

* Sky130sc: Update don't use

* Address review comments

* Add tests for sky130sc

* Fix yosys techmap files for sky130hdll

* sky130sc: regenerate lambdalib, add mapping for latch_p

lambdapdk/sky130/README.md

@@ -16,6 +16,12 @@ Source: [OpenROAD](https://github.com/The-OpenROAD-Project/OpenROAD-flow-scripts
 
 Up-to-date as of commit `2484116`, no modifications.
 
+`sky130_fd_sc_hdll.tlef`
+
+Source: [open_pdks](https://github.com/RTimothyEdwards/open_pdks)
+
+Copied from open_pdks at commit 6d4d11780c40b20ee63cc98e645307a9bf2b2ab8, then added the `dummycut` layer between `pwell` and `li1` to make the LEF conformant to the standard.
+
 ### `base/setup/klayout/`
 
 `skywater130.lyt`
@@ -71,7 +77,7 @@ https://github.com/RTimothyEdwards/open_pdks/blob/master/sky130/netgen/sky130_se
 
 Up-to-date as of `b06f0f2`.
 
-### `libs/sky130hd/gds`
+### `libs/sky130hd/gds/`
 
 `sky130_fd_sc_hd.gds`
 
@@ -93,7 +99,7 @@ Source: generated by passing `sky130_fd_sc_hd_merged.lef` and
 `sky130_fd_sc_hd.tlef` through `mergeLef.py`. This custom-generated LEF file is
 referenced in `skywater130.lyt`.
 
-### `libs/sky130hd/lib/`
+### `libs/sky130hd/nldm/`
 
 `sky130_fd_sc_hd__tt_025C_1v80.lib `
 
@@ -105,10 +111,25 @@ to set the dont_use property on the cells specified in `drc_exclude.cells` and
 `no_synth.cells` in this [directory](.
 https://github.com/RTimothyEdwards/open_pdks/tree/master/sky130/openlane/sky130_fd_sc_hd).
 
-### `libs/sky130hd/verilog`
+### `libs/sky130hd/verilog/`
 
 `primitives.v` and `sky130_fd_sc_hd.v`
 
 Source: [open_pdks](https://github.com/RTimothyEdwards/open_pdks)
 
 Generated using the open_pdks Makefiles at commit 6d4d11780c40b20ee63cc98e645307a9bf2b2ab8.
+
+
+### `libs/sky130hdll/cdl/`, `libs/sky130hdll/gds/`, `libs/sky130hdll/verilog/`
+Work in Progress
+
+Source: [open_pdks](https://github.com/RTimothyEdwards/open_pdks)
+
+Copied from open_pdks at commit 6d4d11780c40b20ee63cc98e645307a9bf2b2ab8.
+
+### `libs/sky130hdll/nldm/`
+Work in Progress
+
+Source: [open_pdks](https://github.com/RTimothyEdwards/open_pdks)
+
+Copied from open_pdks at commit 6d4d11780c40b20ee63cc98e645307a9bf2b2ab8, then replaced all `bit_from`, `bit_to` and `bit_width` fields from floats to integers (same values, just without the .000) to make it conformant to Liberty file standard.

lambdapdk/sky130/__init__.py

@@ -42,8 +42,6 @@ def setup(chip):
     rev = 'v0_0_2'
     stackup = '5M1LI'
 
-    # TODO: eventually support hs libtype as well
-    libtype = 'unithd'
     node = 130
     # TODO: dummy numbers, only matter for cost estimation
     wafersize = 300
@@ -69,8 +67,9 @@ def setup(chip):
     # APR Setup
     # TODO: remove libtype
     for tool in ('openroad', 'klayout', 'magic'):
-        pdk.set('pdk', process, 'aprtech', tool, stackup, libtype, 'lef',
-                pdkdir + '/apr/sky130_fd_sc_hd.tlef')
+        for libtype in ('hd', 'hdll'):
+            pdk.set('pdk', process, 'aprtech', tool, stackup, libtype, 'lef',
+                    pdkdir + f'/apr/sky130_fd_sc_{libtype}.tlef')
 
     pdk.set('pdk', process, 'minlayer', stackup, 'met1')
     pdk.set('pdk', process, 'maxlayer', stackup, 'met5')