1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2001 - 2003 by Thomas Moestl <tmm@FreeBSD.org>.
59 	if ((OF_getprop_alloc(node, "name", (void **)&obd->obd_name)) == -1)  in ofw_bus_gen_setup_devinfo()
61 	OF_getprop_alloc(node, "compatible", (void **)&obd->obd_compat);  in ofw_bus_gen_setup_devinfo()
62 	OF_getprop_alloc(node, "device_type", (void **)&obd->obd_type);  in ofw_bus_gen_setup_devinfo()
63 	OF_getprop_alloc(node, "model", (void **)&obd->obd_model);  in ofw_bus_gen_setup_devinfo()
64 	OF_getprop_alloc(node, "status", (void **)&obd->obd_status);  in ofw_bus_gen_setup_devinfo()
65 	obd->obd_node = node;  in ofw_bus_gen_setup_devinfo()
75 	if (obd->obd_compat != NULL)  in ofw_bus_gen_destroy_devinfo()
76 		free(obd->obd_compat, M_OFWPROP);  in ofw_bus_gen_destroy_devinfo()
77 	if (obd->obd_model != NULL)  in ofw_bus_gen_destroy_devinfo()
78 		free(obd->obd_model, M_OFWPROP);  in ofw_bus_gen_destroy_devinfo()
79 	if (obd->obd_name != NULL)  in ofw_bus_gen_destroy_devinfo()
80 		free(obd->obd_name, M_OFWPROP);  in ofw_bus_gen_destroy_devinfo()
81 	if (obd->obd_type != NULL)  in ofw_bus_gen_destroy_devinfo()
82 		free(obd->obd_type, M_OFWPROP);  in ofw_bus_gen_destroy_devinfo()
83 	if (obd->obd_status != NULL)  in ofw_bus_gen_destroy_devinfo()
84 		free(obd->obd_status, M_OFWPROP);  in ofw_bus_gen_destroy_devinfo()
129 	return (obd->obd_compat);  in ofw_bus_gen_get_compat()
140 	return (obd->obd_model);  in ofw_bus_gen_get_model()
151 	return (obd->obd_name);  in ofw_bus_gen_get_name()
161 		return ((phandle_t)-1);  in ofw_bus_gen_get_node()
162 	return (obd->obd_node);  in ofw_bus_gen_get_node()
173 	return (obd->obd_type);  in ofw_bus_gen_get_type()
185 	return (obd->obd_status);  in ofw_bus_get_status()
236 		/* Slide to the next sub-string. */  in ofw_bus_node_is_compatible_int()
239 		len -= l;  in ofw_bus_node_is_compatible_int()
274 	if ((node = ofw_bus_get_node(dev)) == -1)  in ofw_bus_is_compatible()
308 	for (; compat->ocd_str != NULL; ++compat) {  in ofw_bus_search_compatible()
309 		if (ofw_bus_is_compatible(dev, compat->ocd_str))  in ofw_bus_search_compatible()
321 	if ((node = ofw_bus_get_node(dev)) == -1)  in ofw_bus_has_prop()
333 	if (OF_getencprop(node, "#address-cells", &addrc, sizeof(addrc)) == -1)  in ofw_bus_setup_iinfo()
335 	ii->opi_addrc = addrc * sizeof(pcell_t);  in ofw_bus_setup_iinfo()
337 	ii->opi_imapsz = OF_getencprop_alloc(node, "interrupt-map",  in ofw_bus_setup_iinfo()
338 	    (void **)&ii->opi_imap);  in ofw_bus_setup_iinfo()
339 	if (ii->opi_imapsz > 0) {  in ofw_bus_setup_iinfo()
340 		msksz = OF_getencprop_alloc(node, "interrupt-map-mask",  in ofw_bus_setup_iinfo()
341 		    (void **)&ii->opi_imapmsk);  in ofw_bus_setup_iinfo()
343 		 * Failure to get the mask is ignored; a full mask is used  in ofw_bus_setup_iinfo()
344 		 * then.  We barf on bad mask sizes, however.  in ofw_bus_setup_iinfo()
346 		if (msksz != -1 && msksz != ii->opi_addrc + intrsz)  in ofw_bus_setup_iinfo()
347 			panic("ofw_bus_setup_iinfo: bad interrupt-map-mask "  in ofw_bus_setup_iinfo()
360 	if (ii->opi_imapsz <= 0)  in ofw_bus_lookup_imap()
362 	KASSERT(regsz >= ii->opi_addrc,  in ofw_bus_lookup_imap()
364 		regsz, ii->opi_addrc));  in ofw_bus_lookup_imap()
365 	if (node != -1) {  in ofw_bus_lookup_imap()
370 	return (ofw_bus_search_intrmap(pintr, pintrsz, reg, ii->opi_addrc,  in ofw_bus_lookup_imap()
371 	    ii->opi_imap, ii->opi_imapsz, ii->opi_imapmsk, maskbuf, mintr,  in ofw_bus_lookup_imap()
376  * Map an interrupt using the firmware reg, interrupt-map and
377  * interrupt-map-mask properties.
378  * The interrupt property to be mapped must be of size intrsz, and pointed to
383  * imap and imapsz hold the interrupt mask and it's size.
384  * imapmsk is a pointer to the interrupt-map-mask property, which must have
385  * a size of physsz + intrsz; it may be NULL, in which case a full mask is
388  * The interrupt is returned in result, which must point to a buffer of length
389  * rintrsz (which gives the expected size of the mapped interrupt).
390  * Returns number of cells in the interrupt if a mapping was found, 0 otherwise.
425 		 * CHRP-derived OF bindings, including ePAPR-compliant FDTs,  in ofw_bus_search_intrmap()
429 		    "#address-cells", &paddrsz, sizeof(paddrsz)) == -1)  in ofw_bus_search_intrmap()
435 		    "#interrupt-cells", &pintrsz, sizeof(pintrsz)) == -1)  in ofw_bus_search_intrmap()
439 		/* Compute the map stride size. */  in ofw_bus_search_intrmap()
441 		KASSERT(i >= tsz, ("ofw_bus_search_intrmap: truncated map"));  in ofw_bus_search_intrmap()
452 		i -= tsz;  in ofw_bus_search_intrmap()
461 	pcell_t *map, mask, msi_base, rid_base, rid_length;  in ofw_bus_msimap()  local
467 	len = OF_getencprop_alloc_multi(node, "msi-map", sizeof(*map),  in ofw_bus_msimap()
468 	    (void **)&map);  in ofw_bus_msimap()
472 			OF_getencprop(node, "msi-parent", msi_parent,  in ofw_bus_msimap()
481 	mask = 0xffffffff;  in ofw_bus_msimap()
482 	OF_getencprop(node, "msi-map-mask", &mask, sizeof(mask));  in ofw_bus_msimap()
484 	masked_rid = pci_rid & mask;  in ofw_bus_msimap()
486 		rid_base = map[i + 0];  in ofw_bus_msimap()
487 		rid_length = map[i + 3];  in ofw_bus_msimap()
493 		msi_base = map[i + 2];  in ofw_bus_msimap()
496 			*msi_parent = map[i + 1];  in ofw_bus_msimap()
498 			*msi_rid = masked_rid - rid_base + msi_base;  in ofw_bus_msimap()
503 	free(map, M_OFWPROP);  in ofw_bus_msimap()
512 	pcell_t *map, mask, iommu_base, rid_base, rid_length;  in ofw_bus_iommu_map()  local
517 	len = OF_getencprop_alloc_multi(node, "iommu-map", sizeof(*map),  in ofw_bus_iommu_map()
518 	    (void **)&map);  in ofw_bus_iommu_map()
523 	mask = 0xffffffff;  in ofw_bus_iommu_map()
524 	OF_getencprop(node, "iommu-map-mask", &mask, sizeof(mask));  in ofw_bus_iommu_map()
526 	masked_rid = pci_rid & mask;  in ofw_bus_iommu_map()
528 		rid_base = map[i + 0];  in ofw_bus_iommu_map()
529 		rid_length = map[i + 3];  in ofw_bus_iommu_map()
535 		iommu_base = map[i + 2];  in ofw_bus_iommu_map()
538 			*iommu_parent = map[i + 1];  in ofw_bus_iommu_map()
540 			*iommu_rid = masked_rid - rid_base + iommu_base;  in ofw_bus_iommu_map()
545 	free(map, M_OFWPROP);  in ofw_bus_iommu_map()
564 	if (ret == -1)  in ofw_bus_reg_to_rl_helper()
569 	nreg = (ret == -1) ? 0 : ret;  in ofw_bus_reg_to_rl_helper()
591 			    phys, phys + size - 1, size);  in ofw_bus_reg_to_rl_helper()
613 	    rl, "assigned-addresses"));  in ofw_bus_assigned_addresses_to_rl()
617  * Get interrupt parent for given node.
618  * Returns 0 if interrupt parent doesn't exist.
625 	if (OF_searchencprop(node, "interrupt-parent", &iparent,  in ofw_bus_find_iparent()
626 		    sizeof(iparent)) == -1) {  in ofw_bus_find_iparent()
629 			if (OF_hasprop(iparent, "interrupt-controller"))  in ofw_bus_find_iparent()
651 			device_printf(dev, "No interrupt-parent found, "  in ofw_bus_intr_to_rl()
657 		    "#interrupt-cells", &icells, sizeof(icells)) == -1) {  in ofw_bus_intr_to_rl()
658 			device_printf(dev, "Missing #interrupt-cells "  in ofw_bus_intr_to_rl()
663 			device_printf(dev, "Invalid #interrupt-cells property "  in ofw_bus_intr_to_rl()
669 		nintr = OF_getencprop_alloc_multi(node, "interrupts-extended",  in ofw_bus_intr_to_rl()
681 			    "#interrupt-cells", &icells, sizeof(icells)) == -1) {  in ofw_bus_intr_to_rl()
682 				device_printf(dev, "Missing #interrupt-cells "  in ofw_bus_intr_to_rl()
688 				device_printf(dev, "Invalid #interrupt-cells "  in ofw_bus_intr_to_rl()
717 			device_printf(dev, "No interrupt-parent found, "  in ofw_bus_intr_by_rid()
723 		    "#interrupt-cells", &icells, sizeof(icells)) == -1) {  in ofw_bus_intr_by_rid()
724 			device_printf(dev, "Missing #interrupt-cells "  in ofw_bus_intr_by_rid()
729 			device_printf(dev, "Invalid #interrupt-cells property "  in ofw_bus_intr_by_rid()
735 		nintr = OF_getencprop_alloc_multi(node, "interrupts-extended",  in ofw_bus_intr_by_rid()
747 			    "#interrupt-cells", &icells, sizeof(icells)) == -1) {  in ofw_bus_intr_by_rid()
748 				device_printf(dev, "Missing #interrupt-cells "  in ofw_bus_intr_by_rid()
754 				device_printf(dev, "Invalid #interrupt-cells "  in ofw_bus_intr_by_rid()
783 		if (ret == -1)  in ofw_bus_find_child()
834 	if (node == -1)  in ofw_bus_find_child_device_by_phandle()
861  *  node - consumers device node
862  *  list_name  - name of parsed list - "clocks"
863  *  cells_name - name of size property - "#clock-cells"
864  *  idx - the index of the requested list entry, or, if -1, an indication
867  *  producer - handle of producer
868  *  ncells   - number of cells in result or the number of items in the list when
869  *             idx == -1.
870  *  cells    - array of decoded cells
887 	rv = (idx == -1) ? 0 : ENOENT;  in ofw_bus_parse_xref_list_internal()
891 		    cells_name, &pcells, sizeof(pcells)) == -1) {  in ofw_bus_parse_xref_list_internal()
916 	if (idx == -1 && rv == 0)  in ofw_bus_parse_xref_list_internal()
925  *  node - consumers device node
926  *  list_name  - name of parsed list - "clocks"
927  *  cells_name - name of size property - "#clock-cells"
928  *  idx - the index of the requested list entry (>= 0)
930  *  producer - handle of producer
931  *  ncells   - number of cells in result
932  *  cells    - array of decoded cells
952  *  node - consumers device node
953  *  list_name  - name of parsed list - "clocks"
954  *  cells_name - name of size property - "#clock-cells"
956  *  count - number of items in list
964 		    -1, NULL, count, NULL));  in ofw_bus_parse_xref_list_get_length()