- int tc_clock;
- int i;
- unsigned long slot0addr;
- unsigned long slot_size;
-
- if (!TURBOCHANNEL)
- return;
-
- for (i = 0; i < MAX_SLOT; i++) {
- tc_bus[i].base_addr = 0;
- tc_bus[i].name[0] = 0;
- tc_bus[i].vendor[0] = 0;
- tc_bus[i].firmware[0] = 0;
- tc_bus[i].interrupt = -1;
- tc_bus[i].flags = FREE;
- }
-
- info = (tcinfo *) rex_gettcinfo();
- slot0addr = (unsigned long)CKSEG1ADDR(rex_slot_address(0));
+ /* Initialize the TURBOchannel bus */
+ if (tc_bus_get_info(&tc_bus))
+ return 0;
+
+ INIT_LIST_HEAD(&tc_bus.devices);
+ strcpy(tc_bus.dev.bus_id, "tc");
+ device_register(&tc_bus.dev);
+
+ if (tc_bus.info.slot_size) {
+ unsigned int tc_clock = tc_get_speed(&tc_bus) / 100000;
+
+ pr_info("tc: TURBOchannel rev. %d at %d.%d MHz "
+ "(with%s parity)\n", tc_bus.info.revision,
+ tc_clock / 10, tc_clock % 10,
+ tc_bus.info.parity ? "" : "out");
+
+ tc_bus.resource[0].start = tc_bus.slot_base;
+ tc_bus.resource[0].end = tc_bus.slot_base +
+ (tc_bus.info.slot_size << 20) *
+ tc_bus.num_tcslots - 1;
+ tc_bus.resource[0].name = tc_bus.name;
+ tc_bus.resource[0].flags = IORESOURCE_MEM;
+ if (request_resource(&iomem_resource,
+ &tc_bus.resource[0]) < 0) {
+ printk(KERN_ERR "tc: Cannot reserve resource\n");
+ return 0;
+ }
+ if (tc_bus.ext_slot_size) {
+ tc_bus.resource[1].start = tc_bus.ext_slot_base;
+ tc_bus.resource[1].end = tc_bus.ext_slot_base +
+ tc_bus.ext_slot_size *
+ tc_bus.num_tcslots - 1;
+ tc_bus.resource[1].name = tc_bus.name;
+ tc_bus.resource[1].flags = IORESOURCE_MEM;
+ if (request_resource(&iomem_resource,
+ &tc_bus.resource[1]) < 0) {
+ printk(KERN_ERR
+ "tc: Cannot reserve resource\n");
+ release_resource(&tc_bus.resource[0]);
+ return 0;
+ }
+ }