Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart

[linux-drm-fsl-dcu.git] / arch / ia64 / sn / kernel / io_init.c

diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index 9ad843e0383b53a1745591defbf2497461a73471..600be3ebae05b660247050b2393057f22b49eda3 100644 (file)
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -56,6 +56,25 @@ static inline u64 sal_get_pcibus_info(u64 segment, u64 busnum, u64 address)
        return ret_stuff.v0;
 }
 
+/*
+ * Retrieve the pci device information given the bus and device|function number.
+ */
+static inline u64
+sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev,
+                   u64 sn_irq_info)
+{
+       struct ia64_sal_retval ret_stuff;
+       ret_stuff.status = 0;
+       ret_stuff.v0 = 0;
+
+       SAL_CALL_NOLOCK(ret_stuff,
+                       (u64) SN_SAL_IOIF_GET_PCIDEV_INFO,
+                       (u64) segment, (u64) bus_number, (u64) devfn,
+                       (u64) pci_dev,
+                       sn_irq_info, 0, 0);
+       return ret_stuff.v0;
+}
+
 
 /*
  * sn_fixup_ionodes() - This routine initializes the HUB data structure for
@@ -172,18 +191,40 @@ sn_pci_window_fixup(struct pci_dev *dev, unsigned int count,
 }
 
 /*
- * sn_more_slot_fixup() - We are not running with an ACPI capable PROM,
+ * sn_io_slot_fixup() -   We are not running with an ACPI capable PROM,
  *                       and need to convert the pci_dev->resource
  *                       'start' and 'end' addresses to mapped addresses,
  *                       and setup the pci_controller->window array entries.
  */
 void
-sn_more_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info)
+sn_io_slot_fixup(struct pci_dev *dev)
 {
        unsigned int count = 0;
        int idx;
        s64 pci_addrs[PCI_ROM_RESOURCE + 1];
        unsigned long addr, end, size, start;
+       struct pcidev_info *pcidev_info;
+       struct sn_irq_info *sn_irq_info;
+       int status;
+
+       pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL);
+       if (!pcidev_info)
+               panic("%s: Unable to alloc memory for pcidev_info", __FUNCTION__);
+
+       sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
+       if (!sn_irq_info)
+               panic("%s: Unable to alloc memory for sn_irq_info", __FUNCTION__);
+
+       /* Call to retrieve pci device information needed by kernel. */
+       status = sal_get_pcidev_info((u64) pci_domain_nr(dev),
+               (u64) dev->bus->number,
+               dev->devfn,
+               (u64) __pa(pcidev_info),
+               (u64) __pa(sn_irq_info));
+
+       if (status)
+               BUG(); /* Cannot get platform pci device information */
+
 
        /* Copy over PIO Mapped Addresses */
        for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) {
@@ -219,8 +260,12 @@ sn_more_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info)
         */
        if (count > 0)
                sn_pci_window_fixup(dev, count, pci_addrs);
+
+       sn_pci_fixup_slot(dev, pcidev_info, sn_irq_info);
 }
 
+EXPORT_SYMBOL(sn_io_slot_fixup);
+
 /*
  * sn_pci_controller_fixup() - This routine sets up a bus's resources
  *                            consistent with the Linux PCI abstraction layer.
@@ -272,9 +317,6 @@ sn_bus_fixup(struct pci_bus *bus)
 {
        struct pci_dev *pci_dev = NULL;
        struct pcibus_bussoft *prom_bussoft_ptr;
-       extern void sn_common_bus_fixup(struct pci_bus *,
-                                       struct pcibus_bussoft *);
-
 
        if (!bus->parent) {  /* If root bus */
                prom_bussoft_ptr = PCI_CONTROLLER(bus)->platform_data;
@@ -291,7 +333,7 @@ sn_bus_fixup(struct pci_bus *bus)
                                           prom_bussoft_ptr->bs_legacy_mem);
         }
         list_for_each_entry(pci_dev, &bus->devices, bus_list) {
-                sn_pci_fixup_slot(pci_dev);
+                sn_io_slot_fixup(pci_dev);
         }
 
 }