northbridge/amd/agesa/family16kb: Add MMCONF res to 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.
Change-Id: I49167dd3f15d0203a7db8950880ab03171d5c170
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/7533
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
This commit is contained in:
parent
bd79296d34
commit
66c6532eb6
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@ -338,6 +338,19 @@ static void read_resources(device_t dev)
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amdfam16_link_read_bases(dev, nodeid, link->link_num);
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}
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}
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/*
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* This MMCONF resource must be reserved in the PCI_DOMAIN.
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* It is not honored by the coreboot resource allocator if it is in
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* the APIC_CLUSTER.
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*/
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#if CONFIG_MMCONF_SUPPORT
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struct resource *resource = new_resource(dev, 0xc0010058);
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resource->base = CONFIG_MMCONF_BASE_ADDRESS;
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resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096 * 256;
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resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
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IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
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#endif
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}
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static void set_resource(device_t dev, struct resource *resource, u32 nodeid)
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@ -441,6 +454,12 @@ static void set_resources(device_t dev)
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assign_resources(bus);
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}
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}
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/* Print the MMCONF region if it has been reserved. */
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res = find_resource(dev, 0xc0010058);
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if (res) {
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report_resource_stored(dev, res, " <mmconfig>");
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}
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}
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#if 0 /* TODO: Check if needed. */
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@ -1056,29 +1075,9 @@ static void cpu_bus_init(device_t dev)
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initialize_cpus(dev->link_list);
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}
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static void cpu_bus_read_resources(device_t dev)
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{
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#if CONFIG_MMCONF_SUPPORT
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struct resource *resource = new_resource(dev, 0xc0010058);
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resource->base = CONFIG_MMCONF_BASE_ADDRESS;
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resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096*256;
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resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
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IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
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#endif
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}
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static void cpu_bus_set_resources(device_t dev)
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{
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struct resource *resource = find_resource(dev, 0xc0010058);
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if (resource) {
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report_resource_stored(dev, resource, " <mmconfig>");
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}
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pci_dev_set_resources(dev);
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}
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static struct device_operations cpu_bus_ops = {
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.read_resources = cpu_bus_read_resources,
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.set_resources = cpu_bus_set_resources,
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.read_resources = DEVICE_NOOP,
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.set_resources = DEVICE_NOOP,
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.enable_resources = DEVICE_NOOP,
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.init = cpu_bus_init,
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.scan_bus = cpu_bus_scan,
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