Date: Sat, 17 Apr 2021 11:08:31 -0700 From: Mark Millard <marklmi@yahoo.com> To: freebsd-arm <freebsd-arm@freebsd.org> Subject: RPi4B 2711ZPKFSB06C0T parts seen in the wild, 13.0-RELEASE fails to boot on them Message-ID: <05740E83-5A45-4944-AC87-629D21D7F579@yahoo.com> References: <05740E83-5A45-4944-AC87-629D21D7F579.ref@yahoo.com>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255080 comment #5 reports a comparison/contrast of 4 GiByte RPi4B's with: BROADCOM 2711ZPKFSB06BOT TE1919 045-23 B3 W vs. BROADCOM 2711ZPKFSB06C0T TA2105 054-05 B3 W The C0T one does not boot for 13.0-RELEASE's image the older B0T one does. The C0T RPi4B should be able to DMA outside the 3 GiByte limit that the B0T ones had: no more limit. The RPi firmware may configure the C0T parts differently and FreeBSD might have changes required if it is to work with the newer parts. === Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)
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