Date: Thu, 24 Sep 2020 15:41:11 -0700 From: Mark Millard <marklmi@yahoo.com> To: Robert Crowston <crowston@protonmail.com> Cc: Klaus Cucinauomo <maciphone2@googlemail.com>, freebsd-arm@freebsd.org Subject: Re: head -r365677 and later do not have the xhci related DMA problem fixed Message-ID: <231B8A1B-7F61-4868-B9E6-F8DD824079CA@yahoo.com> In-Reply-To: <JTSsaCfyfQICpQuYOx_aY-35TQTxCtQbI3L_t1o70kdtk-MZrrJ06WuluBwhYS5BQ58Apdet1XTP3u79WZYGUj8L2BjY_owAkoVLMN8IXVU=@protonmail.com> References: <5A60B29E-0D24-480C-807D-4A5E92D9C92A.ref@yahoo.com> <5A60B29E-0D24-480C-807D-4A5E92D9C92A@yahoo.com> <CCC44A9E-68C0-4EEF-AA68-AFA2F1F93ADA@googlemail.com> <JTSsaCfyfQICpQuYOx_aY-35TQTxCtQbI3L_t1o70kdtk-MZrrJ06WuluBwhYS5BQ58Apdet1XTP3u79WZYGUj8L2BjY_owAkoVLMN8IXVU=@protonmail.com>
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On 2020-Sep-24, at 14:59, Robert Crowston <crowston@protonmail.com> = wrote: > Yes: aren=E2=80=99t you dependent on the unrelated D25219 to fix uefi? I have had that patch in place right along. It does not fix the xhci "> 3072 MiByte" DMA problem either. > The DMA patch I submitted is at the PCI-e level; I haven=E2=80=99t = touched xhci. Sorry for confusion! Ahh. No central spot for dealing with such limitations related to the xhci. Well, that makes uefi/ACPI support less likely long term. So, should I figure out the currently proper way to have a u-boot based boot environment and try the huge-file duplicate and diff/cmp test in such an environment? Side note: While there is no CM4 compute module yet, they have publicly stated that they currently intend on exposing the PCIe on it once they have such as a product. In fact, there is: https://github.com/Hexxeh/rpi-firmware/blob/master/bcm2711-rpi-cm4.dtb and: = https://github.com/raspberrypi/firmware/blob/master/boot/bcm2711-rpi-cm4.d= tb and even even official tagged builds with such: = https://github.com/raspberrypi/firmware/blob/1.20200902/boot/bcm2711-rpi-c= m4.dtb =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)
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