[SPARC64] PCI: Use common routine to fetch PBM properties.

[deliverable/linux.git] / arch / sparc64 / kernel / pci_sabre.c

diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c
index cef81c88548ade9d686e693482a7d2e2b31ce321..9e706013d11ac8653a378d73a11255779d61f5cc 100644 (file)
--- a/arch/sparc64/kernel/pci_sabre.c
+++ b/arch/sparc64/kernel/pci_sabre.c
@@ -1,7 +1,6 @@
-/* $Id: pci_sabre.c,v 1.42 2002/01/23 11:27:32 davem Exp $
- * pci_sabre.c: Sabre specific PCI controller support.
+/* pci_sabre.c: Sabre specific PCI controller support.
  *
- * Copyright (C) 1997, 1998, 1999 David S. Miller (davem@caipfs.rutgers.edu)
+ * Copyright (C) 1997, 1998, 1999, 2007 David S. Miller (davem@davemloft.net)
  * Copyright (C) 1998, 1999 Eddie C. Dost   (ecd@skynet.be)
  * Copyright (C) 1999 Jakub Jelinek   (jakub@redhat.com)
  */
@@ -319,6 +318,12 @@ static int __sabre_read_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
 static int sabre_read_pci_cfg(struct pci_bus *bus, unsigned int devfn,
                              int where, int size, u32 *value)
 {
+       struct pci_pbm_info *pbm = bus->sysdata;
+
+       if (bus == pbm->pci_bus && devfn == 0x00)
+               return pci_host_bridge_read_pci_cfg(bus, devfn, where,
+                                                   size, value);
+
        if (!bus->number && sabre_out_of_range(devfn)) {
                switch (size) {
                case 1:
@@ -435,6 +440,12 @@ static int __sabre_write_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
 static int sabre_write_pci_cfg(struct pci_bus *bus, unsigned int devfn,
                               int where, int size, u32 value)
 {
+       struct pci_pbm_info *pbm = bus->sysdata;
+
+       if (bus == pbm->pci_bus && devfn == 0x00)
+               return pci_host_bridge_write_pci_cfg(bus, devfn, where,
+                                                    size, value);
+
        if (bus->number)
                return __sabre_write_pci_cfg(bus, devfn, where, size, value);
 
@@ -487,7 +498,7 @@ static void sabre_check_iommu_error(struct pci_controller_info *p,
                                    unsigned long afsr,
                                    unsigned long afar)
 {
-       struct pci_iommu *iommu = p->pbm_A.iommu;
+       struct iommu *iommu = p->pbm_A.iommu;
        unsigned long iommu_tag[16];
        unsigned long iommu_data[16];
        unsigned long flags;
@@ -936,7 +947,7 @@ static void sabre_iommu_init(struct pci_controller_info *p,
                             int tsbsize, unsigned long dvma_offset,
                             u32 dma_mask)
 {
-       struct pci_iommu *iommu = p->pbm_A.iommu;
+       struct iommu *iommu = p->pbm_A.iommu;
        unsigned long i;
        u64 control;
 
@@ -995,21 +1006,18 @@ static void sabre_pbm_init(struct pci_controller_info *p, struct device_node *dp
        pbm->chip_type = PBM_CHIP_TYPE_SABRE;
        pbm->parent = p;
        pbm->prom_node = dp;
-       pbm->pci_first_slot = 1;
-       pbm->pci_first_busno = p->pci_first_busno;
-       pbm->pci_last_busno = p->pci_last_busno;
+       pci_get_pbm_props(pbm);
 
        pci_determine_mem_io_space(pbm);
 }
 
 void sabre_init(struct device_node *dp, char *model_name)
 {
-       struct linux_prom64_registers *pr_regs;
+       const struct linux_prom64_registers *pr_regs;
        struct pci_controller_info *p;
-       struct pci_iommu *iommu;
+       struct iommu *iommu;
        int tsbsize;
-       u32 *busrange;
-       u32 *vdma;
+       const u32 *vdma;
        u32 upa_portid, dma_mask;
        u64 clear_irq;
 
@@ -1109,10 +1117,6 @@ void sabre_init(struct device_node *dp, char *model_name)
 
        sabre_iommu_init(p, tsbsize, vdma[0], dma_mask);
 
-       busrange = of_get_property(dp, "bus-range", NULL);
-       p->pci_first_busno = busrange[0];
-       p->pci_last_busno = busrange[1];
-
        /*
         * Look for APB underneath.
         */