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Diffstat (limited to 'arch/powerpc/platforms/powermac/pci.c')
-rw-r--r--arch/powerpc/platforms/powermac/pci.c87
1 files changed, 44 insertions, 43 deletions
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index e0b66f55a5f82..5aab261075de5 100644
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -285,15 +285,13 @@ static struct pci_ops chaos_pci_ops =
};
static void __init setup_chaos(struct pci_controller *hose,
- struct reg_property *addr)
+ struct resource *addr)
{
/* assume a `chaos' bridge */
hose->ops = &chaos_pci_ops;
- hose->cfg_addr = ioremap(addr->address + 0x800000, 0x1000);
- hose->cfg_data = ioremap(addr->address + 0xc00000, 0x1000);
+ hose->cfg_addr = ioremap(addr->start + 0x800000, 0x1000);
+ hose->cfg_data = ioremap(addr->start + 0xc00000, 0x1000);
}
-#else
-#define setup_chaos(hose, addr)
#endif /* CONFIG_PPC32 */
#ifdef CONFIG_PPC64
@@ -356,9 +354,11 @@ static unsigned long u3_ht_cfg_access(struct pci_controller* hose,
/* For now, we don't self probe U3 HT bridge */
if (PCI_SLOT(devfn) == 0)
return 0;
- return ((unsigned long)hose->cfg_data) + U3_HT_CFA0(devfn, offset);
+ return ((unsigned long)hose->cfg_data) +
+ U3_HT_CFA0(devfn, offset);
} else
- return ((unsigned long)hose->cfg_data) + U3_HT_CFA1(bus, devfn, offset);
+ return ((unsigned long)hose->cfg_data) +
+ U3_HT_CFA1(bus, devfn, offset);
}
static int u3_ht_read_config(struct pci_bus *bus, unsigned int devfn,
@@ -532,7 +532,8 @@ static void __init init_p2pbridge(void)
}
if (early_read_config_word(hose, bus, devfn,
PCI_BRIDGE_CONTROL, &val) < 0) {
- printk(KERN_ERR "init_p2pbridge: couldn't read bridge control\n");
+ printk(KERN_ERR "init_p2pbridge: couldn't read bridge"
+ " control\n");
return;
}
val &= ~PCI_BRIDGE_CTL_MASTER_ABORT;
@@ -576,36 +577,38 @@ static void __init fixup_nec_usb2(void)
continue;
early_read_config_dword(hose, bus, devfn, 0xe4, &data);
if (data & 1UL) {
- printk("Found NEC PD720100A USB2 chip with disabled EHCI, fixing up...\n");
+ printk("Found NEC PD720100A USB2 chip with disabled"
+ " EHCI, fixing up...\n");
data &= ~1UL;
early_write_config_dword(hose, bus, devfn, 0xe4, data);
- early_write_config_byte(hose, bus, devfn | 2, PCI_INTERRUPT_LINE,
+ early_write_config_byte(hose, bus,
+ devfn | 2, PCI_INTERRUPT_LINE,
nec->intrs[0].line);
}
}
}
static void __init setup_bandit(struct pci_controller *hose,
- struct reg_property *addr)
+ struct resource *addr)
{
hose->ops = &macrisc_pci_ops;
- hose->cfg_addr = ioremap(addr->address + 0x800000, 0x1000);
- hose->cfg_data = ioremap(addr->address + 0xc00000, 0x1000);
+ hose->cfg_addr = ioremap(addr->start + 0x800000, 0x1000);
+ hose->cfg_data = ioremap(addr->start + 0xc00000, 0x1000);
init_bandit(hose);
}
static int __init setup_uninorth(struct pci_controller *hose,
- struct reg_property *addr)
+ struct resource *addr)
{
pci_assign_all_buses = 1;
has_uninorth = 1;
hose->ops = &macrisc_pci_ops;
- hose->cfg_addr = ioremap(addr->address + 0x800000, 0x1000);
- hose->cfg_data = ioremap(addr->address + 0xc00000, 0x1000);
+ hose->cfg_addr = ioremap(addr->start + 0x800000, 0x1000);
+ hose->cfg_data = ioremap(addr->start + 0xc00000, 0x1000);
/* We "know" that the bridge at f2000000 has the PCI slots. */
- return addr->address == 0xf2000000;
+ return addr->start == 0xf2000000;
}
-#endif
+#endif /* CONFIG_PPC32 */
#ifdef CONFIG_PPC64
static void __init setup_u3_agp(struct pci_controller* hose)
@@ -722,7 +725,7 @@ static void __init setup_u3_ht(struct pci_controller* hose)
hose->mem_resources[cur-1].end = res->start - 1;
}
}
-#endif
+#endif /* CONFIG_PPC64 */
/*
* We assume that if we have a G3 powermac, we have one bridge called
@@ -733,24 +736,17 @@ static int __init add_bridge(struct device_node *dev)
{
int len;
struct pci_controller *hose;
-#ifdef CONFIG_PPC32
- struct reg_property *addr;
-#endif
+ struct resource rsrc;
char *disp_name;
int *bus_range;
- int primary = 1;
+ int primary = 1, has_address = 0;
DBG("Adding PCI host bridge %s\n", dev->full_name);
-#ifdef CONFIG_PPC32
- /* XXX fix this */
- addr = (struct reg_property *) get_property(dev, "reg", &len);
- if (addr == NULL || len < sizeof(*addr)) {
- printk(KERN_WARNING "Can't use %s: no address\n",
- dev->full_name);
- return -ENODEV;
- }
-#endif
+ /* Fetch host bridge registers address */
+ has_address = (of_address_to_resource(dev, 0, &rsrc) == 0);
+
+ /* Get bus range if any */
bus_range = (int *) get_property(dev, "bus-range", &len);
if (bus_range == NULL || len < 2 * sizeof(int)) {
printk(KERN_WARNING "Can't get bus-range for %s, assume"
@@ -770,6 +766,8 @@ static int __init add_bridge(struct device_node *dev)
hose->last_busno = bus_range ? bus_range[1] : 0xff;
disp_name = NULL;
+
+ /* 64 bits only bridges */
#ifdef CONFIG_PPC64
if (device_is_compatible(dev, "u3-agp")) {
setup_u3_agp(hose);
@@ -782,25 +780,30 @@ static int __init add_bridge(struct device_node *dev)
}
printk(KERN_INFO "Found %s PCI host bridge. Firmware bus number: %d->%d\n",
disp_name, hose->first_busno, hose->last_busno);
-#else
+#endif /* CONFIG_PPC64 */
+
+ /* 32 bits only bridges */
+#ifdef CONFIG_PPC32
if (device_is_compatible(dev, "uni-north")) {
- primary = setup_uninorth(hose, addr);
+ primary = setup_uninorth(hose, &rsrc);
disp_name = "UniNorth";
} else if (strcmp(dev->name, "pci") == 0) {
/* XXX assume this is a mpc106 (grackle) */
setup_grackle(hose);
disp_name = "Grackle (MPC106)";
} else if (strcmp(dev->name, "bandit") == 0) {
- setup_bandit(hose, addr);
+ setup_bandit(hose, &rsrc);
disp_name = "Bandit";
} else if (strcmp(dev->name, "chaos") == 0) {
- setup_chaos(hose, addr);
+ setup_chaos(hose, &rsrc);
disp_name = "Chaos";
primary = 0;
}
- printk(KERN_INFO "Found %s PCI host bridge at 0x%08lx. Firmware bus number: %d->%d\n",
- disp_name, addr->address, hose->first_busno, hose->last_busno);
-#endif
+ printk(KERN_INFO "Found %s PCI host bridge at 0x%08lx. "
+ "Firmware bus number: %d->%d\n",
+ disp_name, rsrc.start, hose->first_busno, hose->last_busno);
+#endif /* CONFIG_PPC32 */
+
DBG(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",
hose, hose->cfg_addr, hose->cfg_data);
@@ -814,8 +817,7 @@ static int __init add_bridge(struct device_node *dev)
return 0;
}
-static void __init
-pcibios_fixup_OF_interrupts(void)
+static void __init pcibios_fixup_OF_interrupts(void)
{
struct pci_dev* dev = NULL;
@@ -835,8 +837,7 @@ pcibios_fixup_OF_interrupts(void)
}
}
-void __init
-pmac_pcibios_fixup(void)
+void __init pmac_pcibios_fixup(void)
{
/* Fixup interrupts according to OF tree */
pcibios_fixup_OF_interrupts();
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-05 11:34:48 +0000