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Soc peripherals improvements #88

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Soc peripherals improvements #88

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meggiman
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This PR contains a collection of improvements to the soc peripheral infrastructure and the SoC in general assembled from the last couple of tapeouts. Here is a list of changes:

  • The udma subsystem has been wrapped in a different repo and now only exposes struct based IO signals for simpler through-hierarchy routing
  • The old apb_gpio peripheral has been replaced with the more modern and feature enhanced version from pulp-platfrom/gpio
  • Externalization of the clock generation logic
  • Removal of unused signals and fixing of various linter warnings
  • Externalization of reset synchronization

This PR introduces breaking changes to the top-level interface of pulp-soc.

Manuel Eggimann and others added 27 commits December 1, 2022 15:37
Don't use latest register_interface with new AXI version deps
3ee8dbc
Whitespace cleanup of soc_interconnect
ee71cdb
Refactor soc_peripherals module
a42d8b5 
- Renamed fc_eu signals to fc_interrupts to make a clear distinction between
  events and interrupts.
- Removed old APB crossbar and replaced it with integrated crossbar in AXI-lite
  to APB converter. Moved address definitions from peripheral_bud_defines to soc_mem_maps.svh
WIP switch to pulp-io
26eed76
@adimauro-iis
instantiate pulp_io and propagate peripheral structure to the top
4984339
Integrate new gpio peripheral
3e9e7fa
Remove unused mode_select port
cd972a1
Fix lint error for slice reversal of vector port connection
9c57f34
Fix lint warnign about slice into integer type
9189ab7
Fix wrong apb slaves count in soc_peripherals
5b1311e
@adimauro-iis
enable pipeline registers on the axi_lite_to_apb bridge
11309d3
Externalize clock generator modules using regbus
108a27f
Fix duplicate declaration of GPIO signals
5af1926
Bump version
8e5f88a
Bump APB version
63cfec5
Remove obsolete parameter
373058a
Remove internal reset synchronizers
a4dd6da
Cleanup and reorder connection between pulp_soc and soc_peripherals
04f0dae
Remove less than constraint on reg_interface dependency
5565c56
Move jtag_tap_top to pulp_soc repo where it is actually used
72597bb
Fix bugs in soc_peripherals
99fdc24
Fix wrong jtag_tap connections in pulp_soc
176d9fb
Print timestamp in virtual stdout
e479f42
Add hint where boot rom model looks for the binary dump file
f856e50
Add missing apb chip control signals
e5754bf
Add connections for pin level gpio interrupts
6042e9a
Point to stable version of dependencies
8cddda7
@meggiman meggiman requested a review from bluewww December 13, 2022 10:23
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meggiman commented Dec 13, 2022 •
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This PR depends on outstanding PR pulp-platform/pulp-io#1

@meggiman meggiman mentioned this pull request Dec 13, 2022
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@meggiman meggiman mentioned this pull request Dec 13, 2022
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@meggiman @adimauro-iis