chipsalliance / chipsalliance/usb2
Implement USB Protocol STALL as the mandatory response for all OCP Recovery PROTOCOL ERROR conditions
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- Dominant language
- VHDL
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- 1
- Forks
- 6
- Avg merge
- 4d 13h
- Merged PRs (30d)
- 4
Description
Using STALL to indicate PROTOCOL_ERROR is defined as optional in the OCP Recovery 1.1 specification. This issue tracks intent to implement this feature to signal all PROTOCOL_ERROR occurrences in the Caliptra USB-OCP recovery code. This maps to the USB Protocol Stall feature on EP0.
Commanded Stall or Functional Stall would follow the legacy USB transfer handling path and requires no additional logic.
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