diff options
| author | Marc Jones <marc.jones@se-eng.com> | 2013-01-16 17:14:24 -0700 |
|---|---|---|
| committer | Marc Jones <marcj303@gmail.com> | 2013-01-22 19:17:35 +0100 |
| commit | d5c998be99709c92f200b3b08aed2ca3fee2d519 (patch) | |
| tree | 1d6be9f8e88de9ba51ff6cf531341dfea4835cec /src/northbridge | |
| parent | 5e732b8bf0fde8a304758e8845f3100a09037f2b (diff) | |
Add MMCONF resource to AMD fam14 PCI_DOMAIN.
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: I8541795f69bbdd9041b390103fb901d37e07eeb9
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-on: http://review.coreboot.org/2167
Reviewed-by: Dave Frodin <dave.frodin@se-eng.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martin.roth@se-eng.com>
Reviewed-by: Steve Goodrich <steve.goodrich@se-eng.com>
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/amd/agesa/family14/northbridge.c | 42 |
1 files changed, 23 insertions, 19 deletions
diff --git a/src/northbridge/amd/agesa/family14/northbridge.c b/src/northbridge/amd/agesa/family14/northbridge.c index 0bbf10c2fd..06bace4038 100644 --- a/src/northbridge/amd/agesa/family14/northbridge.c +++ b/src/northbridge/amd/agesa/family14/northbridge.c @@ -343,6 +343,19 @@ static void nb_read_resources(device_t dev) amdfam14_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 } static void set_resource(device_t dev, struct resource *resource, u32 nodeid) @@ -452,6 +465,12 @@ static void nb_set_resources(device_t dev) 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>"); + } } /* Domain/Root Complex related code */ @@ -802,27 +821,12 @@ static void domain_enable_resources(device_t dev) /* Bus related code */ -static void cpu_bus_read_resources(device_t dev) { - printk(BIOS_DEBUG, "\nFam14h - cpu_bus_read_resources.\n"); - -#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_read_resources(device_t dev) +{ } -static void cpu_bus_set_resources(device_t dev) { - struct resource *resource = find_resource(dev, 0xc0010058); - - printk(BIOS_DEBUG, "\nFam14h - cpu_bus_set_resources.\n"); - - if (resource) { - report_resource_stored(dev, resource, " <mmconfig>"); - } - pci_dev_set_resources(dev); +static void cpu_bus_set_resources(device_t dev) +{ } static u32 cpu_bus_scan(device_t dev, u32 max) |