Re: onboard wireless on rpi4
Mike Karels <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.arm |
|---|---|
| Message-ID | <[email protected]> |
On 2020-09-06 10:20, Robert Crowston via freebsd-arm wrote: > That's interesting: OpenBSD is allowing only the lowest 1 GB of memory for DMA; the documentation I obtained suggests the first 3 GB should be accessible. I am experimenting with this new lower bound. The ftb has this under soc: dma-ranges = <0xc0000000 0x0 0x0 0x3c000000>; At one point, I looked up how to decode this. I thought it specified a window in which DMA is not allowed, but I'm not sure now. Mike > > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > On Sunday, 6 September 2020 13:40, Klaus Cucinauomo <[email protected]> wrote: > >>> Am 06.09.2020 um 06:40 schrieb Warner Losh <[email protected]>: >>> >>> I thought I read they added the busdma constraints we are missing… >>> >>> Warner >> Yes, for OpenBSD I thought the same , to be a little more specific : >> >> https://github.com/openbsd/src/commit/aae395593ca184a639a1c158ceb4b2132d85e7c2 >> >> https://github.com/openbsd/src/commit/a88d14946aed5dc48e4e700486795c8d171576d0 >> >> Klaus > _______________________________________________ > [email protected] mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "[email protected]" _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-arm To unsubscribe, send any mail to "[email protected]"