|
@@ -151,6 +151,38 @@ static struct pci_raw_ops pci_mmcfg = {
|
|
|
.write = pci_mmcfg_write,
|
|
|
};
|
|
|
|
|
|
+
|
|
|
+static __init void pci_mmcfg_insert_resources(void)
|
|
|
+{
|
|
|
+#define PCI_MMCFG_RESOURCE_NAME_LEN 19
|
|
|
+ int i;
|
|
|
+ struct resource *res;
|
|
|
+ char *names;
|
|
|
+ unsigned num_buses;
|
|
|
+
|
|
|
+ res = kcalloc(PCI_MMCFG_RESOURCE_NAME_LEN + sizeof(*res),
|
|
|
+ pci_mmcfg_config_num, GFP_KERNEL);
|
|
|
+
|
|
|
+ if (!res) {
|
|
|
+ printk(KERN_ERR "PCI: Unable to allocate MMCONFIG resources\n");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ names = (void *)&res[pci_mmcfg_config_num];
|
|
|
+ for (i = 0; i < pci_mmcfg_config_num; i++, res++) {
|
|
|
+ num_buses = pci_mmcfg_config[i].end_bus_number -
|
|
|
+ pci_mmcfg_config[i].start_bus_number + 1;
|
|
|
+ res->name = names;
|
|
|
+ snprintf(names, PCI_MMCFG_RESOURCE_NAME_LEN, "PCI MMCONFIG %u",
|
|
|
+ pci_mmcfg_config[i].pci_segment_group_number);
|
|
|
+ res->start = pci_mmcfg_config[i].base_address;
|
|
|
+ res->end = res->start + (num_buses << 20) - 1;
|
|
|
+ res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
|
|
|
+ insert_resource(&iomem_resource, res);
|
|
|
+ names += PCI_MMCFG_RESOURCE_NAME_LEN;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
/* K8 systems have some devices (typically in the builtin northbridge)
|
|
|
that are only accessible using type1
|
|
|
Normally this can be expressed in the MCFG by not listing them
|
|
@@ -187,6 +219,8 @@ static __init void unreachable_devices(void)
|
|
|
}
|
|
|
}
|
|
|
|
|
|
+
|
|
|
+
|
|
|
void __init pci_mmcfg_init(int type)
|
|
|
{
|
|
|
if ((pci_probe & PCI_PROBE_MMCONF) == 0)
|
|
@@ -214,4 +248,5 @@ void __init pci_mmcfg_init(int type)
|
|
|
pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
|
|
|
|
|
|
unreachable_devices();
|
|
|
+ pci_mmcfg_insert_resources();
|
|
|
}
|