https://github.com/pulp-platform/pulp-io

IO Peripheral Wrapper for PULP SoCs
https://github.com/pulp-platform/pulp-io

Last synced: 5 months ago
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IO Peripheral Wrapper for PULP SoCs

• Host: GitHub
• URL: https://github.com/pulp-platform/pulp-io
• Owner: pulp-platform
• License: other
• Created: 2022-04-13T21:18:22.000Z (about 4 years ago)
• Default Branch: main
• Last Pushed: 2024-05-13T15:55:33.000Z (about 2 years ago)
• Last Synced: 2024-05-13T17:24:33.053Z (about 2 years ago)
• Language: SystemVerilog
• Size: 192 KB
• Stars: 1
• Watchers: 5
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
This module is meant to contain all the pulp IP that communicates with the external world and need to be connected to IO pads.

It contains the old udma_subsystem IP and the new pulp_gpio IP.

There is a pre-defined set of peripheral that can be instantiated in a parametric fashion. The udma_subsystem configuration can be changed by modifying the `udma_cfg_pkg.sv` package to instantiated the desired peripherals.

Note: hyperBus is a timing critical peripheral that often need to take into account IO pad delays during STA. For this purpose, this peripheral can be either instantiated as udma_subsystem peripheral, or implemented as a hard macro and simply connected to the io subsystem. In this case, by specifying the `-t hyper_external` bender target, the udma_subsystem will instantiate a hyper_macro_bridge that exposes the dedicated internal hyperBus udma channel as a module port. The channel connections can then be propagated to where the hard macro is physically instantiated in the design.