The patch initializes EEH for PowerNV platform. Because the OPAL
APIs requires HUB ID, we need trace that through struct pnv_phb.
Signed-off-by: Gavin Shan <sha...@linux.vnet.ibm.com>
---
arch/powerpc/platforms/powernv/pci-ioda.c | 13 +++++++++++--
arch/powerpc/platforms/powernv/pci-p5ioc2.c | 6 ++++--
2 files changed, 15 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c
b/arch/powerpc/platforms/powernv/pci-ioda.c
index 8e90e89..4af5fdf 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -782,6 +782,11 @@ static void pnv_pci_ioda_fixup(void)
pnv_pci_ioda_setup_PEs();
pnv_pci_ioda_setup_seg();
pnv_pci_ioda_setup_DMA();
+
+#ifdef CONFIG_EEH
+ eeh_addr_cache_build();
+ eeh_init();
+#endif
}
/*
@@ -852,7 +857,7 @@ static u32 pnv_ioda_bdfn_to_pe(struct pnv_phb *phb, struct
pci_bus *bus,
return phb->ioda.pe_rmap[(bus->number << 8) | devfn];
}
-void __init pnv_pci_init_ioda1_phb(struct device_node *np)
+void __init pnv_pci_init_ioda1_phb(struct device_node *np, u64 hub_id)
{
struct pci_controller *hose;
static int primary = 1;
@@ -889,6 +894,7 @@ void __init pnv_pci_init_ioda1_phb(struct device_node *np)
hose->first_busno = 0;
hose->last_busno = 0xff;
hose->private_data = phb;
+ phb->hub_id = hub_id;
phb->opal_id = phb_id;
phb->type = PNV_PHB_IODA1;
@@ -985,6 +991,9 @@ void __init pnv_pci_init_ioda1_phb(struct device_node *np)
pr_devel(" M32_SAR = 0x%016llx\n", in_be64(phb->regs + 0x1a0));
}
phb->hose->ops = &pnv_pci_ops;
+#ifdef CONFIG_EEH
+ phb->eeh_ops = &ioda_eeh_ops;
+#endif
/* Setup RID -> PE mapping function */
phb->bdfn_to_pe = pnv_ioda_bdfn_to_pe;
@@ -1034,6 +1043,6 @@ void __init pnv_pci_init_ioda_hub(struct device_node *np)
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);
+ pnv_pci_init_ioda1_phb(phbn, hub_id);
}
}
diff --git a/arch/powerpc/platforms/powernv/pci-p5ioc2.c
b/arch/powerpc/platforms/powernv/pci-p5ioc2.c
index 7db8771..deab179 100644
--- a/arch/powerpc/platforms/powernv/pci-p5ioc2.c
+++ b/arch/powerpc/platforms/powernv/pci-p5ioc2.c
@@ -93,7 +93,7 @@ static void pnv_pci_p5ioc2_dma_dev_setup(struct pnv_phb *phb,
set_iommu_table_base(&pdev->dev, &phb->p5ioc2.iommu_table);
}
-static void __init pnv_pci_init_p5ioc2_phb(struct device_node *np,
+static void __init pnv_pci_init_p5ioc2_phb(struct device_node *np, u64 hub_id,
void *tce_mem, u64 tce_size)
{
struct pnv_phb *phb;
@@ -134,6 +134,7 @@ static void __init pnv_pci_init_p5ioc2_phb(struct
device_node *np,
phb->hose->first_busno = 0;
phb->hose->last_busno = 0xff;
phb->hose->private_data = phb;
+ phb->hub_id = hub_id;
phb->opal_id = phb_id;
phb->type = PNV_PHB_P5IOC2;
phb->model = PNV_PHB_MODEL_P5IOC2;
@@ -227,7 +228,8 @@ void __init pnv_pci_init_p5ioc2_hub(struct device_node *np)
for_each_child_of_node(np, phbn) {
if (of_device_is_compatible(phbn, "ibm,p5ioc2-pcix") ||
of_device_is_compatible(phbn, "ibm,p5ioc2-pciex")) {
- pnv_pci_init_p5ioc2_phb(phbn, tce_mem, tce_per_phb);
+ pnv_pci_init_p5ioc2_phb(phbn, hub_id,
+ tce_mem, tce_per_phb);
tce_mem += tce_per_phb;
}
}
--
1.7.5.4
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