powerpc/eeh: Initialization for PowerNV

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 <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 2931d97..319ed61 100644 (file)
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -974,6 +974,11 @@ 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
 }
 
 /*
@@ -1050,7 +1055,8 @@ static void pnv_pci_ioda_shutdown(struct pnv_phb *phb)
                       OPAL_ASSERT_RESET);
 }
 
-void __init pnv_pci_init_ioda_phb(struct device_node *np, int ioda_type)
+void __init pnv_pci_init_ioda_phb(struct device_node *np,
+                                 u64 hub_id, int ioda_type)
 {
        struct pci_controller *hose;
        static int primary = 1;
@@ -1088,6 +1094,7 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np, int ioda_type)
        hose->first_busno = 0;
        hose->last_busno = 0xff;
        hose->private_data = phb;
+       phb->hub_id = hub_id;
        phb->opal_id = phb_id;
        phb->type = ioda_type;
 
@@ -1173,6 +1180,9 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np, int ioda_type)
                phb->ioda.io_size, phb->ioda.io_segsize);
 
        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;
@@ -1213,7 +1223,7 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np, int ioda_type)
 
 void pnv_pci_init_ioda2_phb(struct device_node *np)
 {
-       pnv_pci_init_ioda_phb(np, PNV_PHB_IODA2);
+       pnv_pci_init_ioda_phb(np, 0, PNV_PHB_IODA2);
 }
 
 void __init pnv_pci_init_ioda_hub(struct device_node *np)
@@ -1236,6 +1246,6 @@ 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_ioda_phb(phbn, PNV_PHB_IODA1);
+                       pnv_pci_init_ioda_phb(phbn, hub_id, PNV_PHB_IODA1);
        }
 }

diff --git a/arch/powerpc/platforms/powernv/pci-p5ioc2.c b/arch/powerpc/platforms/powernv/pci-p5ioc2.c
index 5d378f2..b68db63 100644 (file)
--- a/arch/powerpc/platforms/powernv/pci-p5ioc2.c
+++ b/arch/powerpc/platforms/powernv/pci-p5ioc2.c
@@ -95,7 +95,7 @@ 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;
@@ -136,6 +136,7 @@ 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;
@@ -229,7 +230,8 @@ 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;
                }
        }