static int __init zorro_init(void) { struct zorro_dev *z; unsigned int i; if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO)) return 0; pr_info("Zorro: Probing AutoConfig expansion devices: %d device%s\n", zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s"); /* Initialize the Zorro bus */ INIT_LIST_HEAD(&zorro_bus.devices); strcpy(zorro_bus.dev.bus_id, "zorro"); device_register(&zorro_bus.dev); /* Request the resources */ zorro_bus.num_resources = AMIGAHW_PRESENT(ZORRO3) ? 4 : 2; for (i = 0; i < zorro_bus.num_resources; i++) request_resource(&iomem_resource, &zorro_bus.resources[i]); /* Register all devices */ for (i = 0; i < zorro_num_autocon; i++) { z = &zorro_autocon[i]; z->id = (z->rom.er_Manufacturer<<16) | (z->rom.er_Product<<8); if (z->id == ZORRO_PROD_GVP_EPC_BASE) { /* GVP quirk */ unsigned long magic = zorro_resource_start(z)+0x8000; z->id |= *(u16 *)ZTWO_VADDR(magic) & GVP_PRODMASK; } sprintf(z->name, "Zorro device %08x", z->id); zorro_name_device(z); z->resource.name = z->name; if (request_resource(zorro_find_parent_resource(z), &z->resource)) printk(KERN_ERR "Zorro: Address space collision on device %s " "[%lx:%lx]\n", z->name, (unsigned long)zorro_resource_start(z), (unsigned long)zorro_resource_end(z)); sprintf(z->dev.bus_id, "%02x", i); z->dev.parent = &zorro_bus.dev; z->dev.bus = &zorro_bus_type; device_register(&z->dev); zorro_create_sysfs_dev_files(z); } /* Mark all available Zorro II memory */ zorro_for_each_dev(z) { if (z->rom.er_Type & ERTF_MEMLIST) mark_region(zorro_resource_start(z), zorro_resource_end(z)+1, 1); } /* Unmark all used Zorro II memory */ for (i = 0; i < m68k_num_memory; i++) if (m68k_memory[i].addr < 16*1024*1024) mark_region(m68k_memory[i].addr, m68k_memory[i].addr+m68k_memory[i].size, 0); return 0; }
static ssize_t zorro_show_resource(struct device *dev, struct device_attribute *attr, char *buf) { struct zorro_dev *z = to_zorro_dev(dev); return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n", zorro_resource_start(z), zorro_resource_end(z), zorro_resource_flags(z)); }
static struct resource __init *zorro_find_parent_resource(struct zorro_dev *z) { int i; for (i = 0; i < zorro_bus.num_resources; i++) if (zorro_resource_start(z) >= zorro_bus.resources[i].start && zorro_resource_end(z) <= zorro_bus.resources[i].end) return &zorro_bus.resources[i]; return &iomem_resource; }
static struct resource __init *zorro_find_parent_resource( struct platform_device *bridge, struct zorro_dev *z) { int i; for (i = 0; i < bridge->num_resources; i++) { struct resource *r = &bridge->resource[i]; if (zorro_resource_start(z) >= r->start && zorro_resource_end(z) <= r->end) return r; } return &iomem_resource; }
static int __init amiga_zorro_probe(struct platform_device *pdev) { struct zorro_bus *bus; struct zorro_dev *z; struct resource *r; unsigned int i; int error; /* Initialize the Zorro bus */ bus = kzalloc(sizeof(*bus), GFP_KERNEL); if (!bus) return -ENOMEM; INIT_LIST_HEAD(&bus->devices); bus->dev.parent = &pdev->dev; dev_set_name(&bus->dev, "zorro"); error = device_register(&bus->dev); if (error) { pr_err("Zorro: Error registering zorro_bus\n"); kfree(bus); return error; } platform_set_drvdata(pdev, bus); /* Register all devices */ pr_info("Zorro: Probing AutoConfig expansion devices: %u device%s\n", zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s"); for (i = 0; i < zorro_num_autocon; i++) { z = &zorro_autocon[i]; z->id = (z->rom.er_Manufacturer<<16) | (z->rom.er_Product<<8); if (z->id == ZORRO_PROD_GVP_EPC_BASE) { /* GVP quirk */ unsigned long magic = zorro_resource_start(z)+0x8000; z->id |= *(u16 *)ZTWO_VADDR(magic) & GVP_PRODMASK; } sprintf(z->name, "Zorro device %08x", z->id); zorro_name_device(z); z->resource.name = z->name; r = zorro_find_parent_resource(pdev, z); error = request_resource(r, &z->resource); if (error) dev_err(&bus->dev, "Address space collision on device %s %pR\n", z->name, &z->resource); dev_set_name(&z->dev, "%02x", i); z->dev.parent = &bus->dev; z->dev.bus = &zorro_bus_type; error = device_register(&z->dev); if (error) { dev_err(&bus->dev, "Error registering device %s\n", z->name); continue; } error = zorro_create_sysfs_dev_files(z); if (error) dev_err(&z->dev, "Error creating sysfs files\n"); } /* Mark all available Zorro II memory */ zorro_for_each_dev(z) { if (z->rom.er_Type & ERTF_MEMLIST) mark_region(zorro_resource_start(z), zorro_resource_end(z)+1, 1); } /* Unmark all used Zorro II memory */ for (i = 0; i < m68k_num_memory; i++) if (m68k_memory[i].addr < 16*1024*1024) mark_region(m68k_memory[i].addr, m68k_memory[i].addr+m68k_memory[i].size, 0); return 0; }