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Diffstat (limited to 'include/asm-powerpc/pci-bridge.h')
-rw-r--r--include/asm-powerpc/pci-bridge.h36
1 files changed, 33 insertions, 3 deletions
diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h
index e72c2a60853c..e909769b6410 100644
--- a/include/asm-powerpc/pci-bridge.h
+++ b/include/asm-powerpc/pci-bridge.h
@@ -45,10 +45,17 @@ struct pci_controller {
45 * on Freescale PCI-e controllers since they used the PCI_PRIMARY_BUS 45 * on Freescale PCI-e controllers since they used the PCI_PRIMARY_BUS
46 * to determine which bus number to match on when generating type0 46 * to determine which bus number to match on when generating type0
47 * config cycles 47 * config cycles
48 * NO_PCIE_LINK - the Freescale PCI-e controllers have issues with
49 * hanging if we don't have link and try to do config cycles to
50 * anything but the PHB. Only allow talking to the PHB if this is
51 * set.
52 * BIG_ENDIAN - cfg_addr is a big endian register
48 */ 53 */
49#define PPC_INDIRECT_TYPE_SET_CFG_TYPE (0x00000001) 54#define PPC_INDIRECT_TYPE_SET_CFG_TYPE (0x00000001)
50#define PPC_INDIRECT_TYPE_EXT_REG (0x00000002) 55#define PPC_INDIRECT_TYPE_EXT_REG (0x00000002)
51#define PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS (0x00000004) 56#define PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS (0x00000004)
57#define PPC_INDIRECT_TYPE_NO_PCIE_LINK (0x00000008)
58#define PPC_INDIRECT_TYPE_BIG_ENDIAN (0x00000010)
52 u32 indirect_type; 59 u32 indirect_type;
53 60
54 /* Currently, we limit ourselves to 1 IO range and 3 mem 61 /* Currently, we limit ourselves to 1 IO range and 3 mem
@@ -64,6 +71,14 @@ static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus)
64 return bus->sysdata; 71 return bus->sysdata;
65} 72}
66 73
74static inline int isa_vaddr_is_ioport(void __iomem *address)
75{
76 /* No specific ISA handling on ppc32 at this stage, it
77 * all goes through PCI
78 */
79 return 0;
80}
81
67/* These are used for config access before all the PCI probing 82/* These are used for config access before all the PCI probing
68 has been done. */ 83 has been done. */
69int early_read_config_byte(struct pci_controller *hose, int bus, int dev_fn, 84int early_read_config_byte(struct pci_controller *hose, int bus, int dev_fn,
@@ -79,11 +94,14 @@ int early_write_config_word(struct pci_controller *hose, int bus, int dev_fn,
79int early_write_config_dword(struct pci_controller *hose, int bus, int dev_fn, 94int early_write_config_dword(struct pci_controller *hose, int bus, int dev_fn,
80 int where, u32 val); 95 int where, u32 val);
81 96
82extern void setup_indirect_pci_nomap(struct pci_controller* hose, 97extern int early_find_capability(struct pci_controller *hose, int bus,
83 void __iomem *cfg_addr, void __iomem *cfg_data); 98 int dev_fn, int cap);
99
84extern void setup_indirect_pci(struct pci_controller* hose, 100extern void setup_indirect_pci(struct pci_controller* hose,
85 u32 cfg_addr, u32 cfg_data); 101 u32 cfg_addr, u32 cfg_data, u32 flags);
86extern void setup_grackle(struct pci_controller *hose); 102extern void setup_grackle(struct pci_controller *hose);
103extern void __init update_bridge_resource(struct pci_dev *dev,
104 struct resource *res);
87 105
88#else 106#else
89 107
@@ -231,6 +249,13 @@ extern void pcibios_free_controller(struct pci_controller *phb);
231 249
232extern void isa_bridge_find_early(struct pci_controller *hose); 250extern void isa_bridge_find_early(struct pci_controller *hose);
233 251
252static inline int isa_vaddr_is_ioport(void __iomem *address)
253{
254 /* Check if address hits the reserved legacy IO range */
255 unsigned long ea = (unsigned long)address;
256 return ea >= ISA_IO_BASE && ea < ISA_IO_END;
257}
258
234extern int pcibios_unmap_io_space(struct pci_bus *bus); 259extern int pcibios_unmap_io_space(struct pci_bus *bus);
235extern int pcibios_map_io_space(struct pci_bus *bus); 260extern int pcibios_map_io_space(struct pci_bus *bus);
236 261
@@ -261,11 +286,16 @@ extern struct pci_controller *
261pcibios_alloc_controller(struct device_node *dev); 286pcibios_alloc_controller(struct device_node *dev);
262#ifdef CONFIG_PCI 287#ifdef CONFIG_PCI
263extern unsigned long pci_address_to_pio(phys_addr_t address); 288extern unsigned long pci_address_to_pio(phys_addr_t address);
289extern int pcibios_vaddr_is_ioport(void __iomem *address);
264#else 290#else
265static inline unsigned long pci_address_to_pio(phys_addr_t address) 291static inline unsigned long pci_address_to_pio(phys_addr_t address)
266{ 292{
267 return (unsigned long)-1; 293 return (unsigned long)-1;
268} 294}
295static inline int pcibios_vaddr_is_ioport(void __iomem *address)
296{
297 return 0;
298}
269#endif 299#endif
270 300
271 301