1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
129 	if (slot == -1 || func == -1)  in legacy_pcib_map_msi()
140 			  uint32_t id, uint8_t class, uint8_t subclass,  in legacy_pcib_is_host_bridge()  argument
149 	switch (id) {  in legacy_pcib_is_host_bridge()
151 		s = "Intel 824?? host to PCI bridge";  in legacy_pcib_is_host_bridge()
157 		s = "Intel 82810 (i810 GMCH) Host To Hub bridge";  in legacy_pcib_is_host_bridge()
160 		s = "Intel 82810-DC100 (i810-DC100 GMCH) Host To Hub bridge";  in legacy_pcib_is_host_bridge()
163 		s = "Intel 82810E (i810E GMCH) Host To Hub bridge";  in legacy_pcib_is_host_bridge()
166 		s = "Intel 82815 (i815 GMCH) Host To Hub bridge";  in legacy_pcib_is_host_bridge()
169 		s = "Intel 82443LX (440 LX) host to PCI bridge";  in legacy_pcib_is_host_bridge()
172 		s = "Intel 82443BX (440 BX) host to PCI bridge";  in legacy_pcib_is_host_bridge()
175 		s = "Intel 82443BX host to PCI bridge (AGP disabled)";  in legacy_pcib_is_host_bridge()
178 		s = "Intel 82443MX host to PCI bridge";  in legacy_pcib_is_host_bridge()
181 		s = "Intel 82443GX host to PCI bridge";  in legacy_pcib_is_host_bridge()
184 		s = "Intel 82443GX host to AGP bridge";  in legacy_pcib_is_host_bridge()
187 		s = "Intel 82443GX host to PCI bridge (AGP disabled)";  in legacy_pcib_is_host_bridge()
190 		s = "Intel 82454KX/GX (Orion) host to PCI bridge";  in legacy_pcib_is_host_bridge()
196 		 * things pretending to be host bridges. The MIOC will  in legacy_pcib_is_host_bridge()
235 		s = "Intel 82845 Host to PCI bridge";  in legacy_pcib_is_host_bridge()
238 		/* AMD -- vendor 0x1022 */  in legacy_pcib_is_host_bridge()
240 		s = "AMD Elan SC520 host to PCI bridge";  in legacy_pcib_is_host_bridge()
245 "*** WARNING: missing CPU_ELAN -- timekeeping may be wrong\n");  in legacy_pcib_is_host_bridge()
249 		s = "AMD-751 host to PCI bridge";  in legacy_pcib_is_host_bridge()
252 		s = "AMD-761 host to PCI bridge";  in legacy_pcib_is_host_bridge()
255 		/* SiS -- vendor 0x1039 */  in legacy_pcib_is_host_bridge()
266 		s = "SiS 5591 host to PCI bridge";  in legacy_pcib_is_host_bridge()
269 		s = "SiS 5591 host to AGP bridge";  in legacy_pcib_is_host_bridge()
272 		/* VLSI -- vendor 0x1004 */  in legacy_pcib_is_host_bridge()
274 		s = "VLSI 82C592 Host to PCI bridge";  in legacy_pcib_is_host_bridge()
278 		/* totally. Please let me know if anything wrong.            -F */  in legacy_pcib_is_host_bridge()
279 		/* XXX need info on the MVP3 -- any takers? */  in legacy_pcib_is_host_bridge()
281 		s = "VIA 82C598MVP (Apollo MVP3) host bridge";  in legacy_pcib_is_host_bridge()
284 		/* AcerLabs -- vendor 0x10b9 */  in legacy_pcib_is_host_bridge()
285 		/* Funny : The datasheet told me vendor id is "10b8",sub-vendor */  in legacy_pcib_is_host_bridge()
286 		/* id is '10b9" but the register always shows "10b9". -Foxfair  */  in legacy_pcib_is_host_bridge()
288 		s = "AcerLabs M1541 (Aladdin-V) PCI host bridge";  in legacy_pcib_is_host_bridge()
291 		/* OPTi -- vendor 0x1045 */  in legacy_pcib_is_host_bridge()
293 		s = "OPTi 82C700 host to PCI bridge";  in legacy_pcib_is_host_bridge()
296 		s = "OPTi 82C822 host to PCI Bridge";  in legacy_pcib_is_host_bridge()
299 		/* ServerWorks -- vendor 0x1166 */  in legacy_pcib_is_host_bridge()
301 		s = "ServerWorks NB6536 2.0HE host to PCI bridge";  in legacy_pcib_is_host_bridge()
311 	case 0x010f1014: /* IBM re-badged ServerWorks chipset */  in legacy_pcib_is_host_bridge()
312 		s = "ServerWorks host to PCI bridge";  in legacy_pcib_is_host_bridge()
317 		s = "ServerWorks NB6635 3.0LE host to PCI bridge";  in legacy_pcib_is_host_bridge()
322 		s = "ServerWorks CIOB30 host to PCI bridge";  in legacy_pcib_is_host_bridge()
328 	case 0x03021014: /* IBM re-badged ServerWorks chipset */  in legacy_pcib_is_host_bridge()
329 		s = "ServerWorks CMIC-HE host to PCI-X bridge";  in legacy_pcib_is_host_bridge()
339 		s = "ServerWorks host to PCI bridge(unknown chipset)";  in legacy_pcib_is_host_bridge()
343 		/* Compaq/HP -- vendor 0x0e11 */  in legacy_pcib_is_host_bridge()
349 		/* Integrated Micro Solutions -- vendor 0x10e0 */  in legacy_pcib_is_host_bridge()
356 			s = "Host to PCI bridge";  in legacy_pcib_is_host_bridge()
366 		s = "Host to PCI bridge";  in legacy_pcib_is_host_bridge()
372  * Scan the first pci bus for host-pci bridges and add pcib instances
421 			uint32_t id;  in legacy_pcib_identify()  local
427 			id = legacy_pcib_read_config(0, bus, slot, func,  in legacy_pcib_identify()
429 			if (id == -1)  in legacy_pcib_identify()
437 						      id, class, subclass,  in legacy_pcib_identify()
444 			 * been seen.  Eg: hybrid 32 and 64 bit host  in legacy_pcib_identify()
472 			if (id == 0x12258086)  in legacy_pcib_identify()
474 			if (id == 0x84c48086)  in legacy_pcib_identify()
485 	 * hardware doesn't actually have a host-pci bridge device.  in legacy_pcib_identify()
505 	return -100;  in legacy_pcib_probe()
562  * Helper routine for x86 Host-PCI bridge driver resource allocation.
578     0, "Limit the host bridge memory to being above this address.");
584 	if (start + count - 1 != end) {  in hostb_alloc_start()
684  * ID is available and the PCI BIOS isn't, but for now we just
685  * eat the PnP ID and do nothing else.
723  * Provide a PCI-PCI bridge driver for PCI buses behind PCI-PCI bridges
756 	device_set_desc(dev, "PCIBIOS PCI-PCI bridge");  in pcibios_pcib_probe()
757 	return (-2000);  in pcibios_pcib_probe()