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amaranth-lang/amaranth-soc
Remove Python 3.8 workarounds

Support for Python 3.8 ends after Amaranth 0.5 (https://github.com/amaranth-lang/amaranth/issues/1504). Workarounds for enum errors can be removed: https://github.com/amaranth-lang/amaranth-soc/blob/9d6bd2c54b4ca28ea4c96cae38edb4c9c3bfdf51/amaranth_soc/csr/bus.py#L56-L62 ...
improvement
  • jfng
  • 1
  • Opened 
    on Sep 5, 2024
  • #99

amaranth-lang/amaranth-soc
MemoryMap should allow adding windows with a larger granularity than the parent

The data_width attribute of a MemoryMap reflects not the actual data width, but the granularity of the associated bus. A 32-bit bus with byte lanes hence has a memory map with data_width = 8. MemoryMap.add_window() ...
improvement
meta:needs-rfc
  • zyp
  • 2
  • Opened 
    on Jul 17, 2024
  • #97

amaranth-lang/amaranth-soc
WishboneSRAM misbehaves during back-to-back classic cycles

image
bug
  • jfng
  • Opened 
    on Jul 4, 2024
  • #96

amaranth-lang/amaranth-soc
Tracking issue for RFC 70: unify the naming of `MemoryMap` resources and windows

- RFC PR: https://github.com/amaranth-lang/rfcs/pull/70 - Amaranth SoC PR: https://github.com/amaranth-lang/amaranth-soc/pull/95
  • jfng
  • Opened 
    on Jun 28, 2024
  • #93

amaranth-lang/amaranth-soc
Monotonic clock

It would be nice to have a peripheral that enables a CPU to measure time intervals and busy wait to delay. This peripheral would use the system clock as a reference, and has two registers: - Divider, ...
feature
  • whitequark
  • Opened 
    on Jun 4, 2024
  • #90

amaranth-lang/amaranth-soc
Wishbone-attached SRAM

It would be nice to have a Wishbone-attached SRAM peripheral, to enable CPU cores to have scratchpad RAM. Since there is an ambiguity about what to do for non-power-of-2 sizes of such RAM, I propose that ...
feature
  • whitequark
  • 1
  • Opened 
    on Jun 4, 2024
  • #89

amaranth-lang/amaranth-soc
Tracking issue for RFC 57: Single-Field Register Definition and Usage Shortcut

- RFC PR: https://github.com/amaranth-lang/rfcs/pull/57 - Implementation PR: https://github.com/amaranth-lang/amaranth-soc/pull/79
  • tpwrules
  • Opened 
    on Mar 15, 2024
  • #78

amaranth-lang/amaranth-soc
Tracking issue for RFC 49: GPIO peripheral

- RFC PR: https://github.com/amaranth-lang/rfcs/pull/49 - Amaranth SoC PR: - [x] Implementation: amaranth-lang/amaranth-soc#76 - [ ] Reference documentation - [ ] Guide-level documentation ...
  • jfng
  • Opened 
    on Mar 8, 2024
  • #77

amaranth-lang/amaranth-soc
`MemoryMap` doesn't uphold promise to iterate "in ascending order of [...] address"

Many methods on MemoryMap claim to iterate objects in ascending order of their address but this appears to not be the case in the current code. The code as it stands appears to iterate in order of object ...
bug
  • tpwrules
  • 1
  • Opened 
    on Mar 3, 2024
  • #74

amaranth-lang/amaranth-soc
The README should be updated

TODO isn t a very convincing pitch.
improvement
  • jfng
  • Opened 
    on Feb 9, 2024
  • #71
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