Date: Mon, 22 Jan 2018 22:29:19 -0600 From: Justin Hibbits <jrh29@alumni.cwru.edu> To: Al Zick <al@familysafeinternet.com> Cc: FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: FreeBSD on AmigaOne X5000 Message-ID: <CAHSQbTAdmqmPZfxdFrVzSTzs6%2Bb5L7Xuu8wy6r1VySNV8eb7dg@mail.gmail.com> In-Reply-To: <0ABC899B-246F-4BB1-B056-D110D640B8A8@familysafeinternet.com> References: <471CD26F-229A-470D-A408-D3ECB51893DE@familysafeinternet.com> <CAHSQbTAeV2u4-yMYGJhAGhOxMcih2QMS4J8ZdC5SU3EyjrABGg@mail.gmail.com> <6E574283-DC80-42C1-B75A-DA8D5892FDF5@familysafeinternet.com> <CAHSQbTAf_nsfQaQeU=XQZv%2BDPBZpFFjwoD0OqnLFd32sxD_%2B%2Bg@mail.gmail.com> <0ABC899B-246F-4BB1-B056-D110D640B8A8@familysafeinternet.com>
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Hi Al, You'll want to update to at least r328269, I fixed a linking issue where it would pad 1MB of zeros between the ELF header and the start of the actual kernel, causing loading misalignment. - Justin On Mon, Jan 22, 2018 at 2:10 PM, Al Zick <al@familysafeinternet.com> wrote: > Hi Justin, > > This is amazing that you were able to get the built in ethernet working. > > I just built the world and I am working on getting the kernel built. > > Kind Regards, > Al > > > > > > On Jan 21, 2018, at 11:39 PM, Justin Hibbits wrote: > >> Hi Al, >> >> With the device tree addition of the PHY information, on the Linux >> cyrus device tree, Ethernet works just fine on FreeBSD, so there's no >> problem when using my modified tree. >> >> I also tested today loading the radeonkms driver, and it loaded just >> fine, so maybe the crash was a fluke. It of course needs more >> testing. >> >> - Justin >> >> On Thu, Jan 18, 2018 at 8:02 PM, Al Zick <al@familysafeinternet.com> >> wrote: >>> >>> Hi Justin, >>> >>> I don't know if this helps, but there is work being done to get the X5000 >>> built in network ports working in both AmigaOS and Linux. I know the >>> issue >>> he had/has with the PHY hookups. Honestly, I am not sure which one of you >>> are further along, so I don't know if that helps. >>> >>> I will be installing FreeBSD on my X5000. I will let you know when I get >>> it >>> installed and then I will start testing. >>> >>> Kind Regards, >>> Al >>> >>> >>> >>> >>> >>> On Jan 18, 2018, at 12:11 PM, Justin Hibbits wrote: >>> >>>> Hi Al, >>>> >>>> FreeBSD runs pretty well on the AmigaOne X5000, but there are some >>>> gotchas right now. It needs a minor change to the dts in order to use >>>> the ethernet controller, and you currently have to make an >>>> execute-in-place uImage, for 64-bit kernels anyway. >>>> >>>> The former is impossible to work around, because the device tree is >>>> just incorrect with regard to the PHY hookups (it lists TBI >>>> connections, but the AmigaOne X5000 uses rgmii, which puts all >>>> connections through dtsec0's mdio). You can find my working device >>>> tree at https://people.freebsd.org/~jhibbits/cyrus_p5020_amiga2.dtb . >>>> >>>> The latter I'm currently working on, and plan to have ubldr loading >>>> 64-bit kernels in the next couple weeks, so we won't need to build >>>> uImages. But, for now, the way I do it is: >>>> >>>> buildkernel with KERNCONF=QORIQ64 >>>> >>>> Using NetBSD's 'mkubootimage' (easy enough to build on FreeBSD with >>>> some minor tweaks to the source), run: >>>> >>>> mkubootimage -A powerpc -C none -T kernel -O linux -a 0x3ffffc0 -e >>>> <entrypoint from readelf -h> -N "FreeBSD AmigaOne X5000" >>>> amiga64.uImage /path/to/built/kernel >>>> >>>> Then I can boot that image via either dhcp or sata (Be sure to load it >>>> to 0x3ffffc0, for some reason uboot doesn't copy the image when loaded >>>> to the default loadaddr of 0x01000000). >>>> >>>> Booting from SATA you need to create an MBR partition scheme, and the >>>> first partition must be FAT, since uboot doesn't know how to read >>>> FreeBSD disklabels and UFS. I made two partitions: 128MB FAT to put >>>> the kernel, ubldr, and dtb; and the rest of my disk is a BSD disklabel >>>> volume, partitioned like a normal FreeBSD system. You would put the >>>> dtb and uImage in the FAT partition, and set the uboot bootargs >>>> environment variable to 'vfs.root.mountfrom=ufs:/dev/ada0s2a' >>>> (assuming /dev/ada0s2a is the root you create, as my example is) >>>> >>>> >>>> As for what you can do to help, that depends on your skill set. >>>> >>>> If you're happy in the kernel: >>>> * I have some patches to drm2 so it can load the radeonkms driver, but >>>> it crashes due to TLB synchronization issues between the two cores, >>>> that might be interesting to look at. >>>> * Performance improvements: CPU0 is seeing a very high decrementer >>>> interrupt count, measured with vmstat -i. I think this might be uboot >>>> messing up the clock frequency information populating, but I'm not >>>> sure. Maybe test that. >>>> * There are still device drivers missing for things like the XMOS and >>>> CPLD. >>>> >>>> If you'd prefer userspace, once you have FreeBSD installed, and able >>>> to use the network: >>>> * Build a kernel with ZFS (just add "options ZFS" to the QORIQ config, >>>> or create your own), and test building everything with poudriere. >>>> Report any bugs and panics you see. Just hammer away. >>>> * It's pretty boringly stable up in userspace, so it's hard for me to >>>> think of anything more. >>>> >>>> Let me know what you're interested in, and I can point you to >>>> somewhere you can help. >>>> >>>> Glad to see interest in this! >>>> >>>> - Justin >>>> >>>> On Wed, Jan 17, 2018 at 5:20 PM, Al Zick <al@familysafeinternet.com> >>>> wrote: >>>>> >>>>> >>>>> Hi, >>>>> >>>>> Would it be possible to find out about how much progress has been made >>>>> on >>>>> the FreeBSD port to the AmigaOne X5000 in the last few months and if >>>>> there >>>>> is anything that I can do to help? >>>>> >>>>> Kind Regards, >>>>> Al >>>>> >>>>> >>>>> _______________________________________________ >>>>> freebsd-ppc@freebsd.org mailing list >>>>> https://lists.freebsd.org/mailman/listinfo/freebsd-ppc >>>>> To unsubscribe, send any mail to "freebsd-ppc-unsubscribe@freebsd.org" >>> >>> >>> >
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