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/* Setup MSI support */
pnv_pci_init_ioda_msis(phb);
/*
* We pass the PCI probe flag PCI_REASSIGN_ALL_RSRC here
* to let the PCI core do resource assignment. It's supposed
* that the PCI core will do correct I/O and MMIO alignment
* for the P2P bridge bars so that each PCI bus (excluding
* the child P2P bridges) can form individual PE.
ppc_md.pcibios_fixup = pnv_pci_ioda_fixup;
ppc_md.pcibios_enable_device_hook = pnv_pci_enable_device_hook;
ppc_md.pcibios_window_alignment = pnv_pci_window_alignment;
pci_add_flags(PCI_REASSIGN_ALL_RSRC);
/* Reset IODA tables to a clean state */
rc = opal_pci_reset(phb_id, OPAL_PCI_IODA_TABLE_RESET, OPAL_ASSERT_RESET);
pr_warning(" OPAL Error %ld performing IODA table reset !\n", rc);
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opal_pci_set_pe(phb_id, 0, 0, 7, 1, 1 , OPAL_MAP_PE);
}
void __init pnv_pci_init_ioda_hub(struct device_node *np)
{
struct device_node *phbn;
const u64 *prop64;
u64 hub_id;
pr_info("Probing IODA IO-Hub %s\n", np->full_name);
prop64 = of_get_property(np, "ibm,opal-hubid", NULL);
if (!prop64) {
pr_err(" Missing \"ibm,opal-hubid\" property !\n");
return;
}
hub_id = be64_to_cpup(prop64);
pr_devel(" HUB-ID : 0x%016llx\n", hub_id);
/* Count child PHBs */
for_each_child_of_node(np, phbn) {
/* Look for IODA1 PHBs */
if (of_device_is_compatible(phbn, "ibm,ioda-phb"))
pnv_pci_init_ioda1_phb(phbn);
}
}