1 // SPDX-License-Identifier: GPL-2.0
21 			       unsigned long bus,  in config_out_of_range()  argument
25 	if (bus < pbm->pci_first_busno ||  in config_out_of_range()
26 	    bus > pbm->pci_last_busno)  in config_out_of_range()
32 				 unsigned long bus,  in sun4u_config_mkaddr()  argument
36 	unsigned long rbits = pbm->config_space_reg_bits;  in sun4u_config_mkaddr()
38 	if (config_out_of_range(pbm, bus, devfn, reg))  in sun4u_config_mkaddr()
41 	reg = (reg & ((1 << rbits) - 1));  in sun4u_config_mkaddr()
43 	bus <<= rbits + 8;  in sun4u_config_mkaddr()
45 	return (void *)	(pbm->config_space | bus | devfn | reg);  in sun4u_config_mkaddr()
50  * Strange but true, and I see no language in the UltraSPARC-IIi
54 				   unsigned char bus, unsigned int devfn,  in sun4u_read_pci_cfg_host()  argument
57 	u32 tmp32, *addr;  in sun4u_read_pci_cfg_host()  local
61 	addr = sun4u_config_mkaddr(pbm, bus, devfn, where);  in sun4u_read_pci_cfg_host()
62 	if (!addr)  in sun4u_read_pci_cfg_host()
68 			unsigned long align = (unsigned long) addr;  in sun4u_read_pci_cfg_host()
77 			pci_config_read8((u8 *)addr, &tmp8);  in sun4u_read_pci_cfg_host()
84 			pci_config_read16((u16 *)addr, &tmp16);  in sun4u_read_pci_cfg_host()
87 			pci_config_read8((u8 *)addr, &tmp8);  in sun4u_read_pci_cfg_host()
89 			pci_config_read8(((u8 *)addr) + 1, &tmp8);  in sun4u_read_pci_cfg_host()
96 		sun4u_read_pci_cfg_host(pbm, bus, devfn,  in sun4u_read_pci_cfg_host()
101 		sun4u_read_pci_cfg_host(pbm, bus, devfn,  in sun4u_read_pci_cfg_host()
112 	struct pci_pbm_info *pbm = bus_dev->sysdata;  in sun4u_read_pci_cfg()
113 	unsigned char bus = bus_dev->number;  in sun4u_read_pci_cfg()  local
114 	u32 *addr;  in sun4u_read_pci_cfg()  local
130 	if (!bus_dev->number && !PCI_SLOT(devfn))  in sun4u_read_pci_cfg()
131 		return sun4u_read_pci_cfg_host(pbm, bus, devfn, where,  in sun4u_read_pci_cfg()
134 	addr = sun4u_config_mkaddr(pbm, bus, devfn, where);  in sun4u_read_pci_cfg()
135 	if (!addr)  in sun4u_read_pci_cfg()
140 		pci_config_read8((u8 *)addr, &tmp8);  in sun4u_read_pci_cfg()
150 		pci_config_read16((u16 *)addr, &tmp16);  in sun4u_read_pci_cfg()
160 		pci_config_read32(addr, value);  in sun4u_read_pci_cfg()
167 				    unsigned char bus, unsigned int devfn,  in sun4u_write_pci_cfg_host()  argument
170 	u32 *addr;  in sun4u_write_pci_cfg_host()  local
172 	addr = sun4u_config_mkaddr(pbm, bus, devfn, where);  in sun4u_write_pci_cfg_host()
173 	if (!addr)  in sun4u_write_pci_cfg_host()
179 			unsigned long align = (unsigned long) addr;  in sun4u_write_pci_cfg_host()
193 			pci_config_write8((u8 *)addr, value);  in sun4u_write_pci_cfg_host()
197 			pci_config_write16((u16 *)addr, value);  in sun4u_write_pci_cfg_host()
199 			pci_config_write8((u8 *)addr, value & 0xff);  in sun4u_write_pci_cfg_host()
200 			pci_config_write8(((u8 *)addr) + 1, value >> 8);  in sun4u_write_pci_cfg_host()
204 		sun4u_write_pci_cfg_host(pbm, bus, devfn,  in sun4u_write_pci_cfg_host()
206 		sun4u_write_pci_cfg_host(pbm, bus, devfn,  in sun4u_write_pci_cfg_host()
216 	struct pci_pbm_info *pbm = bus_dev->sysdata;  in sun4u_write_pci_cfg()
217 	unsigned char bus = bus_dev->number;  in sun4u_write_pci_cfg()  local
218 	u32 *addr;  in sun4u_write_pci_cfg()  local
220 	if (!bus_dev->number && !PCI_SLOT(devfn))  in sun4u_write_pci_cfg()
221 		return sun4u_write_pci_cfg_host(pbm, bus, devfn, where,  in sun4u_write_pci_cfg()
224 	addr = sun4u_config_mkaddr(pbm, bus, devfn, where);  in sun4u_write_pci_cfg()
225 	if (!addr)  in sun4u_write_pci_cfg()
230 		pci_config_write8((u8 *)addr, value);  in sun4u_write_pci_cfg()
239 		pci_config_write16((u16 *)addr, value);  in sun4u_write_pci_cfg()
248 		pci_config_write32(addr, value);  in sun4u_write_pci_cfg()
261 	struct pci_pbm_info *pbm = bus_dev->sysdata;  in sun4v_read_pci_cfg()
262 	u32 devhandle = pbm->devhandle;  in sun4v_read_pci_cfg()
263 	unsigned int bus = bus_dev->number;  in sun4v_read_pci_cfg()  local
268 	if (config_out_of_range(pbm, bus, devfn, where)) {  in sun4v_read_pci_cfg()
272 				HV_PCI_DEVICE_BUILD(bus, device, func),  in sun4v_read_pci_cfg()
294 	struct pci_pbm_info *pbm = bus_dev->sysdata;  in sun4v_write_pci_cfg()
295 	u32 devhandle = pbm->devhandle;  in sun4v_write_pci_cfg()
296 	unsigned int bus = bus_dev->number;  in sun4v_write_pci_cfg()  local
300 	if (config_out_of_range(pbm, bus, devfn, where)) {  in sun4v_write_pci_cfg()
308 				     HV_PCI_DEVICE_BUILD(bus, device, func),  in sun4v_write_pci_cfg()
321 	const u32 *val = of_get_property(pbm->op->dev.of_node, "bus-range", NULL);  in pci_get_pbm_props()
323 	pbm->pci_first_busno = val[0];  in pci_get_pbm_props()
324 	pbm->pci_last_busno = val[1];  in pci_get_pbm_props()
326 	val = of_get_property(pbm->op->dev.of_node, "ino-bitmap", NULL);  in pci_get_pbm_props()
328 		pbm->ino_bitmap = (((u64)val[1] << 32UL) |  in pci_get_pbm_props()
335 	const u32 *vdma = of_get_property(pbm->op->dev.of_node, "virtual-dma",  in pci_register_iommu_region()
343 				pbm->name);  in pci_register_iommu_region()
346 		rp->name = "IOMMU";  in pci_register_iommu_region()
347 		rp->start = pbm->mem_space.start + (unsigned long) vdma[0];  in pci_register_iommu_region()
348 		rp->end = rp->start + (unsigned long) vdma[1] - 1UL;  in pci_register_iommu_region()
349 		rp->flags = IORESOURCE_BUSY;  in pci_register_iommu_region()
350 		if (request_resource(&pbm->mem_space, rp)) {  in pci_register_iommu_region()
352 				pbm->name);  in pci_register_iommu_region()
367 	pbm_ranges = of_get_property(pbm->op->dev.of_node, "ranges", &i);  in pci_determine_mem_io_space()
371 			    pbm->name);  in pci_determine_mem_io_space()
376 	memset(&pbm->mem64_space, 0, sizeof(struct resource));  in pci_determine_mem_io_space()
386 		parent_phys_hi = pr->parent_phys_hi;  in pci_determine_mem_io_space()
387 		parent_phys_lo = pr->parent_phys_lo;  in pci_determine_mem_io_space()
388 		child_phys_mid = pr->child_phys_mid;  in pci_determine_mem_io_space()
389 		child_phys_lo = pr->child_phys_lo;  in pci_determine_mem_io_space()
393 		size_hi = pr->size_hi;  in pci_determine_mem_io_space()
394 		size_lo = pr->size_lo;  in pci_determine_mem_io_space()
396 		type = (pr->child_phys_hi >> 24) & 0x3;  in pci_determine_mem_io_space()
407 			pbm->config_space = a;  in pci_determine_mem_io_space()
411 			/* 16-bit IO space, 16MB */  in pci_determine_mem_io_space()
412 			pbm->io_space.start = a;  in pci_determine_mem_io_space()
413 			pbm->io_space.end = a + size - 1UL;  in pci_determine_mem_io_space()
414 			pbm->io_space.flags = IORESOURCE_IO;  in pci_determine_mem_io_space()
415 			pbm->io_offset = a - region_a;  in pci_determine_mem_io_space()
420 			/* 32-bit MEM space, 2GB */  in pci_determine_mem_io_space()
421 			pbm->mem_space.start = a;  in pci_determine_mem_io_space()
422 			pbm->mem_space.end = a + size - 1UL;  in pci_determine_mem_io_space()
423 			pbm->mem_space.flags = IORESOURCE_MEM;  in pci_determine_mem_io_space()
424 			pbm->mem_offset = a - region_a;  in pci_determine_mem_io_space()
429 			/* 64-bit MEM handling */  in pci_determine_mem_io_space()
430 			pbm->mem64_space.start = a;  in pci_determine_mem_io_space()
431 			pbm->mem64_space.end = a + size - 1UL;  in pci_determine_mem_io_space()
432 			pbm->mem64_space.flags = IORESOURCE_MEM;  in pci_determine_mem_io_space()
433 			pbm->mem64_offset = a - region_a;  in pci_determine_mem_io_space()
444 			    pbm->name,  in pci_determine_mem_io_space()
449 	if (pbm->io_space.flags)  in pci_determine_mem_io_space()
451 		       pbm->name, &pbm->io_space, pbm->io_offset);  in pci_determine_mem_io_space()
452 	if (pbm->mem_space.flags)  in pci_determine_mem_io_space()
454 		       pbm->name, &pbm->mem_space, pbm->mem_offset);  in pci_determine_mem_io_space()
455 	if (pbm->mem64_space.flags && pbm->mem_space.flags) {  in pci_determine_mem_io_space()
456 		if (pbm->mem64_space.start <= pbm->mem_space.end)  in pci_determine_mem_io_space()
457 			pbm->mem64_space.start = pbm->mem_space.end + 1;  in pci_determine_mem_io_space()
458 		if (pbm->mem64_space.start > pbm->mem64_space.end)  in pci_determine_mem_io_space()
459 			pbm->mem64_space.flags = 0;  in pci_determine_mem_io_space()
462 	if (pbm->mem64_space.flags)  in pci_determine_mem_io_space()
464 		       pbm->name, &pbm->mem64_space, pbm->mem64_offset);  in pci_determine_mem_io_space()
466 	pbm->io_space.name = pbm->mem_space.name = pbm->name;  in pci_determine_mem_io_space()
467 	pbm->mem64_space.name = pbm->name;  in pci_determine_mem_io_space()
469 	request_resource(&ioport_resource, &pbm->io_space);  in pci_determine_mem_io_space()
470 	request_resource(&iomem_resource, &pbm->mem_space);  in pci_determine_mem_io_space()
471 	if (pbm->mem64_space.flags)  in pci_determine_mem_io_space()
472 		request_resource(&iomem_resource, &pbm->mem64_space);  in pci_determine_mem_io_space()
482 	struct pci_bus *bus;  in pci_scan_for_target_abort()  local
484 	list_for_each_entry(pdev, &pbus->devices, bus_list) {  in pci_scan_for_target_abort()
494 				 pbm->name, status);  in pci_scan_for_target_abort()
498 	list_for_each_entry(bus, &pbus->children, node)  in pci_scan_for_target_abort()
499 		pci_scan_for_target_abort(pbm, bus);  in pci_scan_for_target_abort()
506 	struct pci_bus *bus;  in pci_scan_for_master_abort()  local
508 	list_for_each_entry(pdev, &pbus->devices, bus_list) {  in pci_scan_for_master_abort()
517 				 "[%016x]\n", pbm->name, status);  in pci_scan_for_master_abort()
521 	list_for_each_entry(bus, &pbus->children, node)  in pci_scan_for_master_abort()
522 		pci_scan_for_master_abort(pbm, bus);  in pci_scan_for_master_abort()
529 	struct pci_bus *bus;  in pci_scan_for_parity_error()  local
531 	list_for_each_entry(pdev, &pbus->devices, bus_list) {  in pci_scan_for_parity_error()
541 				 pbm->name, status);  in pci_scan_for_parity_error()
545 	list_for_each_entry(bus, &pbus->children, node)  in pci_scan_for_parity_error()
546 		pci_scan_for_parity_error(pbm, bus);  in pci_scan_for_parity_error()