| /* |
| * Initialisation of the PCI bridge . |
| */ |
| |
| #include <arch/io.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <console/console.h> |
| |
| 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; |
| } |
| |
| static void pci_domain_read_resources(device_t dev) |
| { |
| 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) |
| { |
| 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 pci_domain_set_resources(device_t dev) |
| { |
| int idx = 3; /* who knows? */ |
| |
| ram_resource(dev, idx, 0, EMBEDDED_RAM_SIZE>>10); |
| assign_resources(&dev->link[0]); |
| } |
| |
| 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, |
| .ops_pci_bus = &pci_ppc_conf1 |
| }; |
| |
| static void enable_dev(struct device *dev) |
| { |
| /* Set the operations if it is a special bus type */ |
| if (dev->path.type == DEVICE_PATH_PCI_DOMAIN) { |
| dev->ops = &pci_domain_ops; |
| } |
| } |
| |
| struct chip_operations cpu_ppc_ppc4xx_ops = { |
| CHIP_NAME("PPC 4XX CPU") |
| .enable_dev = enable_dev, |
| }; |