Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

[linux-2.6-omap-h63xx.git] / arch / powerpc / kernel / pci_32.c

diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 47dc754465bb6f0e808e17b0cbc704248c2f18f7..131b1dfa68c6993ff32006ae1cf22a7f0386211f 100644 (file)
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -53,12 +53,19 @@ LIST_HEAD(hose_list);
 
 static int pci_bus_count;
 
+/* This will remain NULL for now, until isa-bridge.c is made common
+ * to both 32-bit and 64-bit.
+ */
+struct pci_dev *isa_bridge_pcidev;
+EXPORT_SYMBOL_GPL(isa_bridge_pcidev);
+
 static void
-fixup_hide_host_resource_fsl(struct pci_dev* dev)
+fixup_hide_host_resource_fsl(struct pci_dev *dev)
 {
        int i, class = dev->class >> 8;
 
-       if ((class == PCI_CLASS_PROCESSOR_POWERPC) &&
+       if ((class == PCI_CLASS_PROCESSOR_POWERPC ||
+            class == PCI_CLASS_BRIDGE_OTHER) &&
                (dev->hdr_type == PCI_HEADER_TYPE_NORMAL) &&
                (dev->bus->parent == NULL)) {
                for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
@@ -94,64 +101,6 @@ fixup_cpc710_pci64(struct pci_dev* dev)
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_IBM,    PCI_DEVICE_ID_IBM_CPC710_PCI64, fixup_cpc710_pci64);
 
-
-void __init
-update_bridge_resource(struct pci_dev *dev, struct resource *res)
-{
-       u8 io_base_lo, io_limit_lo;
-       u16 mem_base, mem_limit;
-       u16 cmd;
-       resource_size_t start, end, off;
-       struct pci_controller *hose = dev->sysdata;
-
-       if (!hose) {
-               printk("update_bridge_base: no hose?\n");
-               return;
-       }
-       pci_read_config_word(dev, PCI_COMMAND, &cmd);
-       pci_write_config_word(dev, PCI_COMMAND,
-                             cmd & ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY));
-       if (res->flags & IORESOURCE_IO) {
-               off = (unsigned long) hose->io_base_virt - isa_io_base;
-               start = res->start - off;
-               end = res->end - off;
-               io_base_lo = (start >> 8) & PCI_IO_RANGE_MASK;
-               io_limit_lo = (end >> 8) & PCI_IO_RANGE_MASK;
-               if (end > 0xffff)
-                       io_base_lo |= PCI_IO_RANGE_TYPE_32;
-               else
-                       io_base_lo |= PCI_IO_RANGE_TYPE_16;
-               pci_write_config_word(dev, PCI_IO_BASE_UPPER16,
-                               start >> 16);
-               pci_write_config_word(dev, PCI_IO_LIMIT_UPPER16,
-                               end >> 16);
-               pci_write_config_byte(dev, PCI_IO_BASE, io_base_lo);
-               pci_write_config_byte(dev, PCI_IO_LIMIT, io_limit_lo);
-
-       } else if ((res->flags & (IORESOURCE_MEM | IORESOURCE_PREFETCH))
-                  == IORESOURCE_MEM) {
-               off = hose->pci_mem_offset;
-               mem_base = ((res->start - off) >> 16) & PCI_MEMORY_RANGE_MASK;
-               mem_limit = ((res->end - off) >> 16) & PCI_MEMORY_RANGE_MASK;
-               pci_write_config_word(dev, PCI_MEMORY_BASE, mem_base);
-               pci_write_config_word(dev, PCI_MEMORY_LIMIT, mem_limit);
-
-       } else if ((res->flags & (IORESOURCE_MEM | IORESOURCE_PREFETCH))
-                  == (IORESOURCE_MEM | IORESOURCE_PREFETCH)) {
-               off = hose->pci_mem_offset;
-               mem_base = ((res->start - off) >> 16) & PCI_PREF_RANGE_MASK;
-               mem_limit = ((res->end - off) >> 16) & PCI_PREF_RANGE_MASK;
-               pci_write_config_word(dev, PCI_PREF_MEMORY_BASE, mem_base);
-               pci_write_config_word(dev, PCI_PREF_MEMORY_LIMIT, mem_limit);
-
-       } else {
-               DBG(KERN_ERR "PCI: ugh, bridge %s res has flags=%lx\n",
-                   pci_name(dev), res->flags);
-       }
-       pci_write_config_word(dev, PCI_COMMAND, cmd);
-}
-
-
 #ifdef CONFIG_PPC_OF
 /*
  * Functions below are used on OpenFirmware machines.
@@ -276,11 +225,11 @@ scan_OF_pci_childs(struct device_node *parent, pci_OF_scan_iterator filter, void
 static struct device_node *scan_OF_for_pci_dev(struct device_node *parent,
                                               unsigned int devfn)
 {
-       struct device_node *np = NULL;
+       struct device_node *np;
        const u32 *reg;
        unsigned int psize;
 
-       while ((np = of_get_next_child(parent, np)) != NULL) {
+       for_each_child_of_node(parent, np) {
                reg = of_get_property(np, "reg", &psize);
                if (reg == NULL || psize < 4)
                        continue;
@@ -482,6 +431,7 @@ void __devinit pcibios_do_bus_setup(struct pci_bus *bus)
        unsigned long io_offset;
        struct resource *res;
        int i;
+       struct pci_dev *dev;
 
        /* Hookup PHB resources */
        io_offset = (unsigned long)hose->io_base_virt - isa_io_base;
@@ -515,6 +465,12 @@ void __devinit pcibios_do_bus_setup(struct pci_bus *bus)
                        bus->resource[i+1] = res;
                }
        }
+
+       if (ppc_md.pci_dma_bus_setup)
+               ppc_md.pci_dma_bus_setup(bus);
+
+       list_for_each_entry(dev, &bus->devices, bus_list)
+               pcibios_setup_new_device(dev);
 }
 
 /* the next one is stolen from the alpha port... */