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For e500 our approach to supporting dynamically spawned sysbus devices is to
create a simple bus from the guest's point of view within which we map those
devices dynamically.
We allocate memory regions always within the "platform" hole in address
space and map IRQs to predetermined IRQ lines that are reserved for platform
device usage.
This maps really nicely into device tree logic, so we can just tell the
guest about our virtual simple bus in device tree as well.
Signed-off-by: Alexander Graf <agraf@suse.de>
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With the e500 virt machine, we don't have to adhere to the exact hardware
layout of an mpc8544ds board. So there we can just add a qoriq compatible
GPIO controller into the system that we can add a power off hook to.
Signed-off-by: Alexander Graf <agraf@suse.de>
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Total removal of QEMUMachineInitArgs struct. QEMUMachineInitArgs's fields
are copied into MachineState. Removed duplicated fields from MachineState.
All the other changes are only mechanical refactoring, no semantic changes.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> (s390)
Reviewed-by: Michael S. Tsirkin <mst@redhat.com> (PC)
[AF: Renamed ms -> machine, use MACHINE_GET_CLASS()]
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Pass on the generic arguments unadulterated, and the machine-specific
ones as separate argument.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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The compatible string is changed to fsl,mpic on all e500 platforms, to
advertise the existence of BRR1. This matches what the device tree will
have on real hardware.
With MPIC v4.2 max_cpu can be increased from 15 to 32.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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We have a params struct that allows us to expose differences between
e500 machine models. Include PCI slot information there, so we can have
different machines with different PCI slot topology.
Signed-off-by: Alexander Graf <agraf@suse.de>
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Currently the only mpc8544ds-ism that is factored out is
toplevel compatible and model. In the future the generic e500
code is expected to become more generic.
Signed-off-by: Scott Wood <scottwood@freescale.com>
[agraf: conditionalize on CONFIG_FDT]
Signed-off-by: Alexander Graf <agraf@suse.de>
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