diff options
Diffstat (limited to 'src/northbridge/intel')
| -rw-r--r-- | src/northbridge/intel/i440bx/northbridge.c | 100 |
1 files changed, 48 insertions, 52 deletions
diff --git a/src/northbridge/intel/i440bx/northbridge.c b/src/northbridge/intel/i440bx/northbridge.c index f95a1a7597..31b5dc0575 100644 --- a/src/northbridge/intel/i440bx/northbridge.c +++ b/src/northbridge/intel/i440bx/northbridge.c @@ -13,7 +13,7 @@ #include "northbridge.h" #include "i440bx.h" -static void northbridge_init(device_t dev) +static void northbridge_init(device_t dev) { printk_spew("Northbridge Init\n"); } @@ -30,7 +30,7 @@ static struct device_operations northbridge_operations = { static const struct pci_driver northbridge_driver __pci_driver = { .ops = &northbridge_operations, .vendor = PCI_VENDOR_ID_INTEL, - .device = 0x7190, + .device = 0x7190, }; @@ -38,33 +38,32 @@ static const struct pci_driver northbridge_driver __pci_driver = { static void pci_domain_read_resources(device_t dev) { - struct resource *resource; - unsigned reg; - - /* Initialize the system wide io space constraints */ - resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0)); - resource->limit = 0xffffUL; - resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED; - - /* Initialize the system wide memory resources constraints */ - resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0)); - resource->limit = 0xffffffffULL; - resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED; + struct resource *resource; + + /* Initialize the system wide io space constraints */ + resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0)); + resource->limit = 0xffffUL; + resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED; + + /* Initialize the system wide memory resources constraints */ + resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0)); + resource->limit = 0xffffffffULL; + resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED; } static void ram_resource(device_t dev, unsigned long index, - unsigned long basek, unsigned long sizek) + unsigned long basek, unsigned long sizek) { - struct resource *resource; - - if (!sizek) { - return; - } - resource = new_resource(dev, index); - resource->base = ((resource_t)basek) << 10; - resource->size = ((resource_t)sizek) << 10; - resource->flags = IORESOURCE_MEM | IORESOURCE_CACHEABLE | \ - IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED; + struct resource *resource; + + if (!sizek) { + return; + } + resource = new_resource(dev, index); + resource->base = ((resource_t)basek) << 10; + resource->size = ((resource_t)sizek) << 10; + resource->flags = IORESOURCE_MEM | IORESOURCE_CACHEABLE | \ + IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED; } static void tolm_test(void *gp, struct device *dev, struct resource *new) @@ -95,6 +94,7 @@ static uint32_t find_pci_tolm(struct bus *bus) #define HIGH_TABLES_SIZE 64 // maximum size of high tables in KB extern uint64_t high_tables_base, high_tables_size; #endif + static void pci_domain_set_resources(device_t dev) { device_t mc_dev; @@ -102,7 +102,6 @@ static void pci_domain_set_resources(device_t dev) pci_tolm = find_pci_tolm(&dev->link[0]); mc_dev = dev->link[0].children; - if (mc_dev) { uint16_t tolm_r; unsigned long tomk, tolmk; @@ -123,7 +122,7 @@ static void pci_domain_set_resources(device_t dev) tolmk = pci_tolm / 1024; if (tolmk >= tomk) { - /* The PCI hole does does not overlap the memory. */ + /* The PCI hole does not overlap the memory. */ tolmk = tomk; } @@ -131,34 +130,33 @@ static void pci_domain_set_resources(device_t dev) idx = 10; ram_resource(dev, idx++, 0, 640); ram_resource(dev, idx++, 768, tolmk - 768); - + #if HAVE_HIGH_TABLES==1 /* Leave some space for ACPI, PIRQ and MP tables */ high_tables_base = (tomk - HIGH_TABLES_SIZE) * 1024; high_tables_size = HIGH_TABLES_SIZE * 1024; #endif } - assign_resources(&dev->link[0]); } static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max) { - max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max); - return max; + max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max); + return max; } static struct device_operations pci_domain_ops = { - .read_resources = pci_domain_read_resources, - .set_resources = pci_domain_set_resources, - .enable_resources = enable_childrens_resources, - .init = 0, - .scan_bus = pci_domain_scan_bus, -}; + .read_resources = pci_domain_read_resources, + .set_resources = pci_domain_set_resources, + .enable_resources = enable_childrens_resources, + .init = 0, + .scan_bus = pci_domain_scan_bus, +}; static void cpu_bus_init(device_t dev) { - initialize_cpus(&dev->link[0]); + initialize_cpus(&dev->link[0]); } static void cpu_bus_noop(device_t dev) @@ -166,25 +164,23 @@ static void cpu_bus_noop(device_t dev) } static struct device_operations cpu_bus_ops = { - .read_resources = cpu_bus_noop, - .set_resources = cpu_bus_noop, - .enable_resources = cpu_bus_noop, - .init = cpu_bus_init, - .scan_bus = 0, + .read_resources = cpu_bus_noop, + .set_resources = cpu_bus_noop, + .enable_resources = cpu_bus_noop, + .init = cpu_bus_init, + .scan_bus = 0, }; static void enable_dev(struct device *dev) { - struct device_path path; - - /* Set the operations if it is a special bus type */ - if (dev->path.type == DEVICE_PATH_PCI_DOMAIN) { - dev->ops = &pci_domain_ops; + /* Set the operations if it is a special bus type */ + if (dev->path.type == DEVICE_PATH_PCI_DOMAIN) { + dev->ops = &pci_domain_ops; pci_set_method(dev); - } - else if (dev->path.type == DEVICE_PATH_APIC_CLUSTER) { - dev->ops = &cpu_bus_ops; - } + } + else if (dev->path.type == DEVICE_PATH_APIC_CLUSTER) { + dev->ops = &cpu_bus_ops; + } } struct chip_operations northbridge_intel_i440bx_ops = { |