1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
47 #include <machine/resource.h>
75 static struct resource *unin_chip_alloc_resource(device_t, device_t, int, int *,
79 				      struct resource *, rman_res_t,
82 					struct resource *);
84 					  struct resource *);
85 static int  unin_chip_map_resource(device_t, device_t, struct resource *,
88 static int  unin_chip_unmap_resource(device_t, device_t, struct resource *,
90 static int  unin_chip_release_resource(device_t, device_t, struct resource *);
158  * Add an interrupt to the dev's resource list if present
168 	if (dinfo->udi_ninterrupts >= 6) {  in unin_chip_add_intr()
175 	if (nintr == -1) {  in unin_chip_add_intr()
178 		if (nintr == -1)  in unin_chip_add_intr()
182 	if (intr[0] == -1)  in unin_chip_add_intr()
185 	if (OF_getprop(devnode, "interrupt-parent", &iparent, sizeof(iparent))  in unin_chip_add_intr()
189 	if (OF_searchprop(iparent, "#interrupt-cells", &icells, sizeof(icells))  in unin_chip_add_intr()
196 		resource_list_add(&dinfo->udi_resources, SYS_RES_IRQ,  in unin_chip_add_intr()
197 		    dinfo->udi_ninterrupts, irq, irq, 1);  in unin_chip_add_intr()
205 		dinfo->udi_interrupts[dinfo->udi_ninterrupts] = irq;  in unin_chip_add_intr()
206 		dinfo->udi_ninterrupts++;  in unin_chip_add_intr()
217 	if (nreg == -1)  in unin_chip_add_reg()
221 		resource_list_add(&dinfo->udi_resources, SYS_RES_MEMORY, i,  in unin_chip_add_reg()
232 	struct unin_chip_softc *sc;  in unin_update_reg()  local
235 	sc = device_get_softc(dev);  in unin_update_reg()
236 	reg = (void *)(sc->sc_addr + regoff);  in unin_update_reg()
265 	if (strcmp(name, "uni-n") != 0 && strcmp(name, "u3") != 0  in unin_chip_probe()
276 	struct unin_chip_softc *sc;  in unin_chip_attach()  local
288 	sc = device_get_softc(dev);  in unin_chip_attach()
295 	OF_getprop(OF_parent(root), "#address-cells", &acells, sizeof(acells));  in unin_chip_attach()
296 	OF_getprop(OF_parent(root), "#size-cells", &scells, sizeof(scells));  in unin_chip_attach()
299 	sc->sc_physaddr = reg[i++];  in unin_chip_attach()
301 		sc->sc_physaddr <<= 32;  in unin_chip_attach()
302 		sc->sc_physaddr |= reg[i++];  in unin_chip_attach()
304 	sc->sc_size = reg[i++];  in unin_chip_attach()
306 		sc->sc_size <<= 32;  in unin_chip_attach()
307 		sc->sc_size |= reg[i++];  in unin_chip_attach()
310 	sc->sc_mem_rman.rm_type = RMAN_ARRAY;  in unin_chip_attach()
311 	sc->sc_mem_rman.rm_descr = "UniNorth Device Memory";  in unin_chip_attach()
313 	error = rman_init(&sc->sc_mem_rman);  in unin_chip_attach()
320 	error = rman_manage_region(&sc->sc_mem_rman, sc->sc_physaddr,  in unin_chip_attach()
321 				   sc->sc_physaddr + sc->sc_size - 1);	  in unin_chip_attach()
333 	 * Iterate through the sub-devices  in unin_chip_attach()
337 		if (ofw_bus_gen_setup_devinfo(&dinfo->udi_obdinfo, child)  in unin_chip_attach()
344 		resource_list_init(&dinfo->udi_resources);  in unin_chip_attach()
345 		dinfo->udi_ninterrupts = 0;  in unin_chip_attach()
359 		if (dinfo->udi_ninterrupts == 0 &&  in unin_chip_attach()
360 		    (strcmp(name, "i2c-bus") == 0 ||  in unin_chip_attach()
362 			if (OF_getprop(child, "interrupt-parent", &iparent,  in unin_chip_attach()
369 			resource_list_add(&dinfo->udi_resources, SYS_RES_IRQ,  in unin_chip_attach()
370 					  dinfo->udi_ninterrupts, irq, irq, 1);  in unin_chip_attach()
371 			dinfo->udi_interrupts[dinfo->udi_ninterrupts] = irq;  in unin_chip_attach()
372 			dinfo->udi_ninterrupts++;  in unin_chip_attach()
380 				      dinfo->udi_obdinfo.obd_name);  in unin_chip_attach()
381 			resource_list_free(&dinfo->udi_resources);  in unin_chip_attach()
382 			ofw_bus_gen_destroy_devinfo(&dinfo->udi_obdinfo);  in unin_chip_attach()
394 	sc->sc_addr = (vm_offset_t)pmap_mapdev(sc->sc_physaddr, PAGE_SIZE);  in unin_chip_attach()
396 	sc->sc_version = *(u_int *)sc->sc_addr;  in unin_chip_attach()
397 	device_printf(dev, "Version %d\n", sc->sc_version);  in unin_chip_attach()
408 		if (strcmp(compat, "chrp,open-pic") == 0)  in unin_chip_attach()
433         rl = &dinfo->udi_resources;  in unin_chip_print_child()
454 		rl = &dinfo->udi_resources;  in unin_chip_probe_nomatch()
468 	struct		unin_chip_softc *sc;  in unin_chip_get_rman()  local
470 	sc = device_get_softc(bus);  in unin_chip_get_rman()
474 		return (&sc->sc_mem_rman);  in unin_chip_get_rman()
480 static struct resource *
494 		rle = resource_list_find(&dinfo->udi_resources, SYS_RES_MEMORY,  in unin_chip_alloc_resource()
502 		rle->end = rle->end - 1; /* Hack? */  in unin_chip_alloc_resource()
504 		if (start < rle->start)  in unin_chip_alloc_resource()
505 			adjstart = rle->start;  in unin_chip_alloc_resource()
506 		else if (start > rle->end)  in unin_chip_alloc_resource()
507 			adjstart = rle->end;  in unin_chip_alloc_resource()
511 		if (end < rle->start)  in unin_chip_alloc_resource()
512 			adjend = rle->start;  in unin_chip_alloc_resource()
513 		else if (end > rle->end)  in unin_chip_alloc_resource()
514 			adjend = rle->end;  in unin_chip_alloc_resource()
518 		adjcount = adjend - adjstart;  in unin_chip_alloc_resource()
529 		rle = resource_list_find(&dinfo->udi_resources, SYS_RES_IRQ,  in unin_chip_alloc_resource()
532 			if (dinfo->udi_ninterrupts >= 6) {  in unin_chip_alloc_resource()
538 			resource_list_add(&dinfo->udi_resources, SYS_RES_IRQ,  in unin_chip_alloc_resource()
539 					  dinfo->udi_ninterrupts, start, start,  in unin_chip_alloc_resource()
542 			dinfo->udi_interrupts[dinfo->udi_ninterrupts] = start;  in unin_chip_alloc_resource()
543 			dinfo->udi_ninterrupts++;  in unin_chip_alloc_resource()
546 		return (resource_list_alloc(&dinfo->udi_resources, bus, child,  in unin_chip_alloc_resource()
550 		device_printf(bus, "unknown resource request from %s\n",  in unin_chip_alloc_resource()
557 unin_chip_adjust_resource(device_t bus, device_t child, struct resource *r,  in unin_chip_adjust_resource()
573 unin_chip_release_resource(device_t bus, device_t child, struct resource *res)  in unin_chip_release_resource()
587 unin_chip_activate_resource(device_t bus, device_t child, struct resource *res)  in unin_chip_activate_resource()
602 			      struct resource *res)  in unin_chip_deactivate_resource()
616 unin_chip_map_resource(device_t bus, device_t child, struct resource *r,  in unin_chip_map_resource()
645 	map->r_vaddr = pmap_mapdev_attr(start, length, args.memattr);  in unin_chip_map_resource()
646 	if (map->r_vaddr == NULL)  in unin_chip_map_resource()
648 	map->r_bustag = &bs_be_tag;  in unin_chip_map_resource()
649 	map->r_size = length;  in unin_chip_map_resource()
650 	map->r_bushandle = (bus_space_handle_t)map->r_vaddr;  in unin_chip_map_resource()
655 unin_chip_unmap_resource(device_t bus, device_t child, struct resource *r,  in unin_chip_unmap_resource()
659 	 * If this is a memory resource, unmap it.  in unin_chip_unmap_resource()
664 		pmap_unmapdev(map->r_vaddr, map->r_size);  in unin_chip_unmap_resource()
678 	return (&dinfo->udi_resources);  in unin_chip_get_resource_list()
687 	return (&dinfo->udi_obdinfo);  in unin_chip_get_devinfo()