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Add MMCONF resource to AMD fam15 PCI_DOMAIN 

This is a port of the following:
commit d5c998be99

	The coreboot resource allocator doesn't respect resources
	claimed in the APIC_CLUSTER. Move the MMCONF resource to the
	PCI_DOMAIN to prevent overlap with PCI devices.

original-Change-Id: I8541795f69bbdd9041b390103fb901d37e07eeb9
    Signed-off-by: Marc Jones <marc.jones@se-eng.com>
    URL - http://review.coreboot.org/#/c/2167/

Change-Id: I6e585d5cf0d46bd58337a6801fb0690ab2dd000c
Signed-off-by: Steven Sherk <steven.sherk@se-eng.com>
Reviewed-on: http://review.coreboot.org/2248
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>
This commit is contained in:
Steven Sherk 2013-01-30 16:02:14 -07:00 committed by Marc Jones
parent ed08bcc12d
commit f04e68e9e2
1 changed files with 20 additions and 12 deletions
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32
src/northbridge/amd/agesa/family15/northbridge.c
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@ -341,6 +341,20 @@ static void nb_read_resources(device_t dev)
amdfam15_link_read_bases(dev, nodeid, link->link_num); amdfam15_link_read_bases(dev, nodeid, link->link_num);
} }
} }
/*
* This MMCONF resource must be reserved in the PCI_DOMAIN.
* It is not honored by the coreboot resource allocator if it is in
* the APIC_CLUSTER.
*/
#if CONFIG_MMCONF_SUPPORT
struct resource *resource = new_resource(dev, 0xc0010058);
resource->base = CONFIG_MMCONF_BASE_ADDRESS;
resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096 * 256;
resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
#endif
} }
@ -448,6 +462,12 @@ static void nb_set_resources(device_t dev)
assign_resources(bus); assign_resources(bus);
} }
} }
/* Print the MMCONF region if it has been reserved. */
res = find_resource(dev, 0xc0010058);
if (res) {
report_resource_stored(dev, res, " <mmconfig>");
}
} }
static void northbridge_init(struct device *dev) static void northbridge_init(struct device *dev)
@ -1095,22 +1115,10 @@ static void cpu_bus_noop(device_t dev)
static void cpu_bus_read_resources(device_t dev) static void cpu_bus_read_resources(device_t dev)
{ {
#if CONFIG_MMCONF_SUPPORT
struct resource *resource = new_resource(dev, 0xc0010058);
resource->base = CONFIG_MMCONF_BASE_ADDRESS;
resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096*256;
resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
#endif
} }
static void cpu_bus_set_resources(device_t dev) static void cpu_bus_set_resources(device_t dev)
{ {
struct resource *resource = find_resource(dev, 0xc0010058);
if (resource) {
report_resource_stored(dev, resource, " <mmconfig>");
}
pci_dev_set_resources(dev);
} }
static struct device_operations cpu_bus_ops = { static struct device_operations cpu_bus_ops = {