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ppc/pnv: add PHB3 bus init helper

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The PnvPHB3 bus init consists of initializing the pci_io and pci_mmio
regions, registering it via pci_register_root_bus() and then setup the
iommu.

We'll want to init the bus from outside pnv_phb3.c when the bus is
removed from the PnvPHB3 device and put into a new parent PnvPHB device.
The new pnv_phb3_bus_init() helper will be used by the parent to init
the bus when using the PHB3 backend.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Message-Id: <20220624084921.399219-2-danielhb413@gmail.com>
This commit is contained in:
Daniel Henrique Barboza 2022-06-24 05:49:10 -03:00
parent 08e185cadb
commit 91bcee7157
2 changed files with 24 additions and 16 deletions
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1
include/hw/pci-host/pnv_phb3.h
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@ -164,5 +164,6 @@ uint64_t pnv_phb3_reg_read(void *opaque, hwaddr off, unsigned size);
void pnv_phb3_reg_write(void *opaque, hwaddr off, uint64_t val, unsigned size);
void pnv_phb3_update_regions(PnvPHB3 *phb);
void pnv_phb3_remap_irqs(PnvPHB3 *phb);
void pnv_phb3_bus_init(DeviceState *dev, PnvPHB3 *phb);
#endif /* PCI_HOST_PNV_PHB3_H */