powerpc/sysdev/indirect_pci.c

18 int __indirect_read_config(struct pci_controller *hose,
26 	if (hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK) {
27 		if (bus_number != hose->first_busno)
34 		if (ppc_md.pci_exclude_device(hose, bus_number, devfn))
37 	if (hose->indirect_type & PPC_INDIRECT_TYPE_SET_CFG_TYPE)
38 		if (bus_number != hose->first_busno)
41 	bus_no = (bus_number == hose->first_busno) ?
42 			hose->self_busno : bus_number;
44 	if (hose->indirect_type & PPC_INDIRECT_TYPE_EXT_REG)
49 	if (hose->indirect_type & PPC_INDIRECT_TYPE_BIG_ENDIAN)
50 		out_be32(hose->cfg_addr, (0x80000000 | (bus_no << 16) |
53 		out_le32(hose->cfg_addr, (0x80000000 | (bus_no << 16) |
60 	cfg_data = hose->cfg_data + (offset & 3);
78 	struct pci_controller *hose = pci_bus_to_host(bus);
80 	return __indirect_read_config(hose, bus->number, devfn, offset, len,
87 	struct pci_controller *hose = pci_bus_to_host(bus);
92 	if (hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK) {
93 		if (bus->number != hose->first_busno)
100 		if (ppc_md.pci_exclude_device(hose, bus->number, devfn))
103 	if (hose->indirect_type & PPC_INDIRECT_TYPE_SET_CFG_TYPE)
104 		if (bus->number != hose->first_busno)
107 	bus_no = (bus->number == hose->first_busno) ?
108 			hose->self_busno : bus->number;
110 	if (hose->indirect_type & PPC_INDIRECT_TYPE_EXT_REG)
115 	if (hose->indirect_type & PPC_INDIRECT_TYPE_BIG_ENDIAN)
116 		out_be32(hose->cfg_addr, (0x80000000 | (bus_no << 16) |
119 		out_le32(hose->cfg_addr, (0x80000000 | (bus_no << 16) |
123 	if (hose->indirect_type & PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS)
125 			(bus->number == hose->first_busno))
129 	if ((hose->indirect_type & PPC_INDIRECT_TYPE_BROKEN_MRM) &&
138 	cfg_data = hose->cfg_data + (offset & 3);
159 void setup_indirect_pci(struct pci_controller *hose, resource_size_t cfg_addr,
166 	hose->cfg_addr = mbase + (cfg_addr & ~PAGE_MASK);
169 	hose->cfg_data = mbase + (cfg_data & ~PAGE_MASK);
170 	hose->ops = &indirect_pci_ops;
171 	hose->indirect_type = flags;