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Ethernet driver #3

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4 of 11 tasks
neuschaefer opened this issue Apr 30, 2021 · 0 comments
Open
4 of 11 tasks

Ethernet driver #3

neuschaefer opened this issue Apr 30, 2021 · 0 comments
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@neuschaefer
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SoC driver Write and upstream a driver for hardware in the WPCM450 SoC WIP Work in progress

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neuschaefer commented Apr 30, 2021 •
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The Nuvoton Ethernet MAC Controller (EMC) is shared between the older, deleted W90P910 platform, WPCM450, and NPCM7xx. Currently, there is no EMC driver in mainline. There are two ways forward:

  • Upstream the npcm7xx-emc driver in openbmc/dev-5.10
  • Revive the w90p910 driver ← I'm doing this

Depends on the reset driver (#8).

  • test how large a frame the hardware can actually handle
  • finish refactoring
    • devm_*
    • better queue index names
    • answer all TODOs
  • ethtool support for speed and duplex mode
  • NAPI (maybe)
  • investigate/fix: Why do the packets stop flowing after too many link mode changes?
  • send upstream
  • get it merged
  • DMA (maybe)
@neuschaefer neuschaefer self-assigned this Apr 30, 2021
@neuschaefer neuschaefer added the SoC driver Write and upstream a driver for hardware in the WPCM450 SoC label Apr 30, 2021
@neuschaefer neuschaefer added the WIP Work in progress label Dec 25, 2021
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SoC driver Write and upstream a driver for hardware in the WPCM450 SoC WIP Work in progress
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