docs/system/ppc: Document running Linux on AmigaNG machines
Documentation on how to run Linux on the amigaone, pegasos2 and sam460ex machines is currently buried in the depths of the qemu-devel mailing list and in the source code. Let's collect the information in the QEMU handbook for a one stop solution. Tested-by: Bernhard Beschow <shentey@gmail.com> Reviewed-by: Bernhard Beschow <shentey@gmail.com> Reviewed-by: Nicholas Piggin <npiggin@gmail.com> Co-authored-by: Bernhard Beschow <shentey@gmail.com> Signed-off-by: Bernhard Beschow <shentey@gmail.com> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
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BALATON Zoltan
Nicholas Piggin
parent
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commit
623d9065b6
@ -1572,6 +1572,7 @@ F: hw/rtc/m41t80.c
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F: pc-bios/canyonlands.dt[sb]
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F: pc-bios/canyonlands.dt[sb]
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F: pc-bios/u-boot-sam460ex-20100605.bin
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F: pc-bios/u-boot-sam460ex-20100605.bin
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F: roms/u-boot-sam460ex
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F: roms/u-boot-sam460ex
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F: docs/system/ppc/amigang.rst
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pegasos2
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pegasos2
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M: BALATON Zoltan <balaton@eik.bme.hu>
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M: BALATON Zoltan <balaton@eik.bme.hu>
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161
docs/system/ppc/amigang.rst
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161
docs/system/ppc/amigang.rst
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=========================================================
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AmigaNG boards (``amigaone``, ``pegasos2``, ``sam460ex``)
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=========================================================
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These PowerPC machines emulate boards that are primarily used for
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running Amiga like OSes (AmigaOS 4, MorphOS and AROS) but these can
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also run Linux which is what this section documents.
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Eyetech AmigaOne/Mai Logic Teron (``amigaone``)
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===============================================
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The ``amigaone`` machine emulates an AmigaOne XE mainboard by Eyetech
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which is a rebranded Mai Logic Teron board with modified U-Boot
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firmware to support AmigaOS 4.
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Emulated devices
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----------------
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* PowerPC 7457 CPU (can also use``-cpu g3, 750cxe, 750fx`` or ``750gx``)
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* Articia S north bridge
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* VIA VT82C686B south bridge
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* PCI VGA compatible card (guests may need other card instead)
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* PS/2 keyboard and mouse
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Firmware
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--------
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A firmware binary is necessary for the boot process. It is a modified
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U-Boot under GPL but its source is lost so it cannot be included in
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QEMU. A binary is available at
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https://www.hyperion-entertainment.com/index.php/downloads?view=files&parent=28.
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The ROM image is in the last 512kB which can be extracted with the
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following command:
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.. code-block:: bash
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$ tail -c 524288 updater.image > u-boot-amigaone.bin
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The BIOS emulator in the firmware is unable to run QEMU‘s standard
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vgabios so ``VGABIOS-lgpl-latest.bin`` is needed instead which can be
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downloaded from http://www.nongnu.org/vgabios.
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Running Linux
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-------------
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There are some Linux images under the following link that work on the
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``amigaone`` machine:
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https://sourceforge.net/projects/amigaone-linux/files/debian-installer/.
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To boot the system run:
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.. code-block:: bash
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$ qemu-system-ppc -machine amigaone -bios u-boot-amigaone.bin \
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-cdrom "A1 Linux Net Installer.iso" \
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-device ati-vga,model=rv100,romfile=VGABIOS-lgpl-latest.bin
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From the firmware menu that appears select ``Boot sequence`` →
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``Amiga Multiboot Options`` and set ``Boot device 1`` to
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``Onboard VIA IDE CDROM``. Then hit escape until the main screen appears again,
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hit escape once more and from the exit menu that appears select either
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``Save settings and exit`` or ``Use settings for this session only``. It may
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take a long time loading the kernel into memory but eventually it boots and the
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installer becomes visible. The ``ati-vga`` RV100 emulation is not
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complete yet so only frame buffer works, DRM and 3D is not available.
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Genesi/bPlan Pegasos II (``pegasos2``)
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======================================
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The ``pegasos2`` machine emulates the Pegasos II sold by Genesi and
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designed by bPlan. Its schematics are available at
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https://www.powerdeveloper.org/platforms/pegasos/schematics.
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Emulated devices
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----------------
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* PowerPC 7457 CPU (can also use``-cpu g3`` or ``750cxe``)
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* Marvell MV64361 Discovery II north bridge
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* VIA VT8231 south bridge
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* PCI VGA compatible card (guests may need other card instead)
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* PS/2 keyboard and mouse
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Firmware
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--------
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The Pegasos II board has an Open Firmware compliant ROM based on
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SmartFirmware with some changes that are not open-sourced therefore
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the ROM binary cannot be included in QEMU. An updater was available
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from bPlan, it can be found in the `Internet Archive
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<http://web.archive.org/web/20071021223056/http://www.bplan-gmbh.de/up050404/up050404>`_.
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The ROM image can be extracted from it with the following command:
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.. code-block:: bash
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$ tail -c +85581 up050404 | head -c 524288 > pegasos2.rom
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Running Linux
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-------------
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The PowerPC version of Debian 8.11 supported Pegasos II. The BIOS
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emulator in the firmware binary is unable to run QEMU‘s standard
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vgabios so it needs to be disabled. To boot the system run:
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.. code-block:: bash
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$ qemu-system-ppc -machine pegasos2 -bios pegasos2.rom \
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-cdrom debian-8.11.0-powerpc-netinst.iso \
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-device VGA,romfile="" -serial stdio
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At the firmware ``ok`` prompt enter ``boot cd install/pegasos``.
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Alternatively, it is possible to boot the kernel directly without
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firmware ROM using the QEMU built-in minimal Virtual Open Firmware
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(VOF) emulation which is also supported on ``pegasos2``. For this,
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extract the kernel ``install/powerpc/vmlinuz-chrp.initrd`` from the CD
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image, then run:
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.. code-block:: bash
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$ qemu-system-ppc -machine pegasos2 -serial stdio \
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-kernel vmlinuz-chrp.initrd -append "---" \
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-cdrom debian-8.11.0-powerpc-netinst.iso
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aCube Sam460ex (``sam460ex``)
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=============================
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The ``sam460ex`` machine emulates the Sam460ex board by aCube which is
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based on the AMCC PowerPC 460EX SoC (that despite its name has a
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PPC440 CPU core).
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Firmware
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--------
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The board has a firmware based on an older U-Boot version with
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modifications to support booting AmigaOS 4. The firmware ROM is
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included with QEMU.
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Emulated devices
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----------------
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* PowerPC 460EX SoC
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* M41T80 serial RTC chip
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* Silicon Motion SM501 display parts (identical to SM502 on real board)
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* Silicon Image SiI3112 2 port SATA controller
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* USB keyboard and mouse
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Running Linux
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-------------
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The only Linux distro that supported Sam460ex out of box was CruxPPC
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2.x. It can be booted by running:
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.. code-block:: bash
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$ qemu-system-ppc -machine sam460ex -serial stdio \
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-drive if=none,id=cd,format=raw,file=crux-ppc-2.7a.iso \
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-device ide-cd,drive=cd,bus=ide.1
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There are some other kernels and instructions for booting other
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distros on aCube's product page at
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https://www.acube-systems.biz/index.php?page=hardware&pid=5
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but those are untested.
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@ -17,6 +17,7 @@ help``.
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.. toctree::
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.. toctree::
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:maxdepth: 1
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:maxdepth: 1
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ppc/amigang
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ppc/embedded
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ppc/embedded
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ppc/powermac
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ppc/powermac
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ppc/powernv
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ppc/powernv
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