Updated the README information to reflect the recent changes in the
enable/disable options for configuration, and to match the documentation
on the website.
diff --git a/sky130/README b/sky130/README
index 32c14ab..6c40c67 100644
--- a/sky130/README
+++ b/sky130/README
@@ -95,12 +95,12 @@
git submodule init libraries/sky130_fd_io/latest
git submodule init libraries/sky130_fd_pr/latest
git submodule init libraries/sky130_fd_sc_hd/latest
- git submodule init libraries/sky130_fd_sc_hdll/latest
- git submodule init libraries/sky130_fd_sc_hs/latest
- git submodule init libraries/sky130_fd_sc_ms/latest
- git submodule init libraries/sky130_fd_sc_ls/latest
- git submodule init libraries/sky130_fd_sc_lp/latest
git submodule init libraries/sky130_fd_sc_hvl/latest
+ [git submodule init libraries/sky130_fd_sc_hdll/latest]
+ [git submodule init libraries/sky130_fd_sc_hs/latest]
+ [git submodule init libraries/sky130_fd_sc_ms/latest]
+ [git submodule init libraries/sky130_fd_sc_ls/latest]
+ [git submodule init libraries/sky130_fd_sc_lp/latest]
git submodule update
The liberty (.lib) files are the largest of all and so individual files
@@ -109,7 +109,12 @@
make timing
- That installs all of the Google/Skywater files.
+ That installs all of the Google/Skywater files. To keep the overhead low,
+ you may initialize only the submodules that you need. At a minimum, the
+ I/O library, primitive devices, and the high density and high voltage
+ digital standard cell libraries should be installed. The remaining standard
+ cell libraries are optional, as needed for low-leakage, high speed, low power,
+ etc., applications.
Then follow the instructions below for generating the additional files
for supporting the open source EDA tool flows.
@@ -197,6 +202,29 @@
will be downloaded from github automatically. To disable
this package, use "--disable-xschem-sky130".
+ --enable-sram-sky130[=<path>]
+ This 3rd party library contains pre-compiled and verified
+ memory blocks from the OpenRAM open source memory compiler.
+ It is disabled by default due to the length of time
+ required to install, but it is recommended if you will be
+ using SRAM in a design.
+
+ --enable-osu-sky130[=<path>]
+ This 3rd party library is a set of open-source digital
+ standard cells.
+
+ --enable-osu-t12--sky130[=<path>]
+ This 3rd party library is a set of open-source digital
+ standard cells at 12 track pitch height.
+
+ --enable-osu-t15--sky130[=<path>]
+ This 3rd party library is a set of open-source digital
+ standard cells at 15 track pitch height.
+
+ --enable-osu-t18--sky130[=<path>]
+ This 3rd party library is a set of open-source digital
+ standard cells at 18 track pitch height.
+
Step 2:
Run:
