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foss-eda-tools / third_party / shuttle / gf180mcu / mpw-000 / slot-001 / 91ddd78fc81e904b4ff1f63cd234433312043c27
commit91ddd78fc81e904b4ff1f63cd234433312043c27[log] [tgz]
authortinybot <bot@tinytapeout.com>Sun Dec 04 23:12:50 2022 +0000
committertinybot <bot@tinytapeout.com>Sun Dec 04 23:12:50 2022 +0000
tree8d5057f149fc06fb25ca44e96a31d5672a1c1a0b
parenteb4c6c5d9aff2d1e03df37bd463746a53de7b6eb [diff]
harden project [skip ci]
49 files changed
tree: 8d5057f149fc06fb25ca44e96a31d5672a1c1a0b
  1. .github/
  2. def/
  3. docs/
  4. gds/
  5. lef/
  6. mag/
  7. maglef/
  8. openlane/
  9. scripts/
  10. sdc/
  11. sdf/
  12. signoff/
  13. spef/
  14. spi/
  15. verilog/
  16. .gitignore
  17. .gitmodules
  18. info.yaml
  19. LICENSE
  20. Makefile
  21. README.md
README.md

GF180 MPW0 Serv

An award winning CPU design fit into the GF180 MPW0 Shuttle.

To keep the design simple this project places a Serv CPU with a scan-chain around it connecting it's wishbone bus which is a combination of data and instructions out via I/O pins.

Another I/O pin is responsible for handling clock and reset. Operation will run as follows:

  1. Using an external controller, load in default values for the wishbone bus, bring serv out of reset and clock it.
  2. Latch in and scan out the wishbone bus values. Handle any requests.
  3. Scan in data from the request and clock serv.
  4. Goto 2.

In this manner we should be able to implement external peripherals like UARTs, timers, and GPIOs. The external controller can be a microcontroller, FPGA, or the caravel harness SoC.