oxidecomputer / oxidecomputer/hubris

Want SB-RMI support for Turin

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#2,177 1 comment 0 reactions 1 assignee View on GitHub

@dancrossnyc is already working on this.

Since Jul 31, 2025.

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Description

The SB-RMI protocol changed substantially between e.g. Milan and Turin. In addition to widening some fields to accommodate e.g., 256 (or more) HW threads, the APML mailbox protocol is now based on I3C-style transactions (as opposed to smbus/I2C). The upshot is that we need updated support in the SB-RMI driver.

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