simplebus: add support for reading 'dma-ranges' property
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Authored by mmel on Wed, Jul 8, 11:36 AM.

Details

Reviewers

manu
andrew

Group Reviewers

arm64

Summary

Parse the "dma-ranges" device tree property on simplebus nodes
(analogous to the existing "ranges" support).

The parsed DMA ranges will be used for automatic BUSDMA(9) tag
creation in the future.

MFC after: 2 weeks

Diff Detail

Repository

rG FreeBSD src repository

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Build Status

Buildable 74617
Build 71500: arc lint + arc unit

Event Timeline

mmel created this revision.Wed, Jul 8, 11:36 AM

Herald added a subscriber: imp. · View Herald TranscriptWed, Jul 8, 11:36 AM

mmel requested review of this revision.Wed, Jul 8, 11:36 AM

mmel added a reviewer: arm64.Wed, Jul 8, 11:37 AM

Harbormaster completed remote builds in B74617: Diff 181532.Wed, Jul 8, 11:37 AM

andrew accepted this revision.Wed, Jul 8, 12:53 PM

andrew added a subscriber: andrew.

andrew added inline comments.

sys/dev/fdt/simplebus.c
271	Is this needed? Both callers already set it to `NULL`

This revision is now accepted and ready to land.Wed, Jul 8, 12:53 PM

Revision Contents
Changeset List

Path

Size

sys/

dev/

fdt/

simplebus.h

8 lines

simplebus.c

94 lines

Diff 181532

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sys/dev/fdt/simplebus.h