Date: Sat, 25 Apr 2020 14:14:46 +0000 From: greg@unrelenting.technology To: "Mark Murray" <markm@freebsd.org>, "Marcel Flores" <marcel@brickporch.com> Cc: freebsd-arm@freebsd.org Subject: Re: Bootable image for Macchatobin Double Shot? Message-ID: <092721df6b1de3e75820acd32ba1b0e7@unrelenting.technology> In-Reply-To: <9F7FB8F8-A29C-4F95-B0BB-CFEFEAFDDD5E@FreeBSD.org> References: <9F7FB8F8-A29C-4F95-B0BB-CFEFEAFDDD5E@FreeBSD.org> <1039B382-2CA4-4F49-9F95-08BD1386A447@FreeBSD.org> <CA07A9C8-267B-4657-B9D1-1F53B62A969B@brickporch.com>
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April 25, 2020 3:21 PM, "Mark Murray" <markm@freebsd.org> wrote:=0A=0A> I= tried a FreeBSD-12 image - boots with ACPI, but PCI not present. With UE= FI DTB=0A> I get the same hang.=0A=0AIt is present:=0A=0A> pcib0: <Generi= c PCI host controller> on acpi0=0A> pci0: <PCI bus> on pcib0=0A=0ABut not= the device.=0A=0AThe thing is, the PCIe controller has a bug (in ECAM mo= de).=0AIt doesn't properly filter something, so a device could appear rep= licated multiple times.=0ASo the Semihalf engineers decided to do a worka= round: move the memory address in ACPI=0Aso that the OS only sees the las= t device.=0A=0AI don't know which devices they tried, but my Radeon RX 48= 0 *does not* get replicated.=0ASame with an Intel and Mellanox NIC.=0AA R= adeon HD 7970 was replicated but only twice, not 32 times.=0A=0AYou can t= ry my EDK2 builds, at least one of them should work. I reverted that work= around.=0A=0Ahttps://unrelentingtech.s3.dualstack.eu-west-1.amazonaws.com= /flash-image.bin=0Ahttps://unrelentingtech.s3.dualstack.eu-west-1.amazona= ws.com/flash-image2.bin=0A=0ARelevant discussion links:=0A=0Ahttps://gith= ub.com/MarvellEmbeddedProcessors/edk2-open-platform/issues/11=0Ahttps://g= ithub.com/andreiw/MacchiatoBin-edk2/commit/2c49a74d3c0438b656e56ef133a469= 9ab3f8b22f#commitcomment-34139610
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