Commit de09bddb authored by Andi Kleen's avatar Andi Kleen Committed by Andi Kleen

[PATCH] i386: Add MMCFG resources to i386 too

Following earlier x86-64 patch

Cc: gregkh@suse.de
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
parent 4c6e052a
...@@ -151,6 +151,38 @@ static struct pci_raw_ops pci_mmcfg = { ...@@ -151,6 +151,38 @@ static struct pci_raw_ops pci_mmcfg = {
.write = pci_mmcfg_write, .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) /* K8 systems have some devices (typically in the builtin northbridge)
that are only accessible using type1 that are only accessible using type1
Normally this can be expressed in the MCFG by not listing them Normally this can be expressed in the MCFG by not listing them
...@@ -187,6 +219,8 @@ static __init void unreachable_devices(void) ...@@ -187,6 +219,8 @@ static __init void unreachable_devices(void)
} }
} }
void __init pci_mmcfg_init(int type) void __init pci_mmcfg_init(int type)
{ {
if ((pci_probe & PCI_PROBE_MMCONF) == 0) if ((pci_probe & PCI_PROBE_MMCONF) == 0)
...@@ -214,4 +248,5 @@ void __init pci_mmcfg_init(int type) ...@@ -214,4 +248,5 @@ void __init pci_mmcfg_init(int type)
pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF; pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
unreachable_devices(); unreachable_devices();
pci_mmcfg_insert_resources();
} }
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