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Differential D54957

ichsmb: Add Intel Raptor Lake SMBus controller support
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Authored by guest-seuros on Jan 29 2026, 11:30 PM.
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kevans
adrian
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rGe4bcfe4ebf03: ichsmb: Add Intel Raptor Lake SMBus controller support
Summary

Add PCI device ID 0x7a23 for Intel 700 Series (Raptor Lake) chipset SMBus controller.
This enables hardware monitoring functionality on 13th and 14th generation Intel Core platforms.

Test Plan

Driver: ichsmb0 <Intel Raptor Lake SMBus controller>
Location: pci0:0:31:4 (device 0x7a23)
Port: 0xefa0-0xefbf
Memory: 0x52d1e000-0x52d1e0ff

This is a basic driver for this chipset that expose basic monitoring. However the chip do provide more feature according to the data-sheet.

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Repository
rG FreeBSD src repository
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No Test Coverage
Build Status
Buildable 70223
Build 67106: arc lint + arc unit

Event Timeline

guest-seuros created this revision.Jan 29 2026, 11:30 PM
guest-seuros held this revision as a draft.
Herald added a subscriber: imp. · View Herald TranscriptJan 29 2026, 11:30 PM
Harbormaster completed remote builds in B70223: Diff 170756.Jan 29 2026, 11:30 PM
guest-seuros published this revision for review.Jan 29 2026, 11:41 PM
guest-seuros edited the summary of this revision. (Show Details)
guest-seuros edited the test plan for this revision. (Show Details)
guest-seuros added reviewers: kevans, adrian.
adrian accepted this revision.Fri, Feb 13, 3:32 AM
This revision is now accepted and ready to land.Fri, Feb 13, 3:32 AM
Closed by commit rGe4bcfe4ebf03: ichsmb: Add Intel Raptor Lake SMBus controller support (authored by guest-seuros, committed by adrian). · Explain WhyMon, Feb 16, 3:59 AM
This revision was automatically updated to reflect the committed changes.
adrian added a commit: rGe4bcfe4ebf03: ichsmb: Add Intel Raptor Lake SMBus controller support.

Revision Contents
Changeset List

PathSize
sys/
dev/
ichsmb/
3 lines

Diff 170756

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sys/dev/ichsmb/ichsmb_pci.c

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