55 #define TLP_CFG_DW2(bus, devfn, offset)	\  argument
56 				(((bus) << 24) | ((devfn) << 16) | (offset))
57 #define TLP_REQ_ID(bus, devfn)		(((bus) << 8) | (devfn))  argument
112 static bool altera_pcie_hide_rc_bar(struct pci_bus *bus, unsigned int  devfn,  in altera_pcie_hide_rc_bar()  argument
115 	if (pci_is_root_bus(bus) && (devfn == 0) &&  in altera_pcie_hide_rc_bar()
147 				     struct pci_bus *bus, int dev)  in altera_pcie_valid_config()  argument
150 	if (bus->number != pcie->root_bus_nr) {  in altera_pcie_valid_config()
156 	if (bus->number == pcie->root_bus_nr && dev > 0)  in altera_pcie_valid_config()
163 	if (bus->primary == pcie->root_bus_nr && dev > 0)  in altera_pcie_valid_config()
235 static int tlp_cfg_dword_read(struct altera_pcie *pcie, u8 bus, u32 devfn,  in tlp_cfg_dword_read()  argument
240 	if (bus == pcie->root_bus_nr)  in tlp_cfg_dword_read()
247 	headers[2] = TLP_CFG_DW2(bus, devfn, where);  in tlp_cfg_dword_read()
254 static int tlp_cfg_dword_write(struct altera_pcie *pcie, u8 bus, u32 devfn,  in tlp_cfg_dword_write()  argument
260 	if (bus == pcie->root_bus_nr)  in tlp_cfg_dword_write()
267 	headers[2] = TLP_CFG_DW2(bus, devfn, where);  in tlp_cfg_dword_write()
283 	if ((bus == pcie->root_bus_nr) && (where == PCI_PRIMARY_BUS))  in tlp_cfg_dword_write()
289 static int altera_pcie_cfg_read(struct pci_bus *bus, unsigned int devfn,  in altera_pcie_cfg_read()  argument
292 	struct altera_pcie *pcie = bus->sysdata;  in altera_pcie_cfg_read()
297 	if (altera_pcie_hide_rc_bar(bus, devfn, where))  in altera_pcie_cfg_read()
300 	if (!altera_pcie_valid_config(pcie, bus, PCI_SLOT(devfn))) {  in altera_pcie_cfg_read()
317 	ret = tlp_cfg_dword_read(pcie, bus->number, devfn,  in altera_pcie_cfg_read()
337 static int altera_pcie_cfg_write(struct pci_bus *bus, unsigned int devfn,  in altera_pcie_cfg_write()  argument
340 	struct altera_pcie *pcie = bus->sysdata;  in altera_pcie_cfg_write()
345 	if (altera_pcie_hide_rc_bar(bus, devfn, where))  in altera_pcie_cfg_write()
348 	if (!altera_pcie_valid_config(pcie, bus, PCI_SLOT(devfn)))  in altera_pcie_cfg_write()
366 	return tlp_cfg_dword_write(pcie, bus->number, devfn,  in altera_pcie_cfg_write()
512 	struct pci_bus *bus;  in altera_pcie_probe()  local
547 	bus = pci_scan_root_bus(&pdev->dev, pcie->root_bus_nr, &altera_pcie_ops,  in altera_pcie_probe()
549 	if (!bus)  in altera_pcie_probe()
553 	pci_assign_unassigned_bus_resources(bus);  in altera_pcie_probe()
556 	list_for_each_entry(child, &bus->children, node)  in altera_pcie_probe()
559 	pci_bus_add_devices(bus);  in altera_pcie_probe()