diff options
Diffstat (limited to 'include/asm-powerpc/prom.h')
-rw-r--r-- | include/asm-powerpc/prom.h | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h index fb732c992bd2..73d27bad55fa 100644 --- a/include/asm-powerpc/prom.h +++ b/include/asm-powerpc/prom.h | |||
@@ -223,14 +223,36 @@ extern struct resource *request_OF_resource(struct device_node* node, | |||
223 | int index, const char* name_postfix); | 223 | int index, const char* name_postfix); |
224 | extern int release_OF_resource(struct device_node* node, int index); | 224 | extern int release_OF_resource(struct device_node* node, int index); |
225 | 225 | ||
226 | |||
226 | /* | 227 | /* |
227 | * Address translation function(s) | 228 | * OF address retreival & translation |
229 | */ | ||
230 | |||
231 | |||
232 | /* Translate an OF address block into a CPU physical address | ||
228 | */ | 233 | */ |
229 | #define OF_BAD_ADDR ((u64)-1) | 234 | #define OF_BAD_ADDR ((u64)-1) |
230 | extern u64 of_translate_address(struct device_node *np, u32 *addr); | 235 | extern u64 of_translate_address(struct device_node *np, u32 *addr); |
231 | extern u32 *of_get_address(struct device_node *dev, int index, u64 *size); | ||
232 | extern u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size); | ||
233 | 236 | ||
237 | /* Extract an address from a device, returns the region size and | ||
238 | * the address space flags too. The PCI version uses a BAR number | ||
239 | * instead of an absolute index | ||
240 | */ | ||
241 | extern u32 *of_get_address(struct device_node *dev, int index, | ||
242 | u64 *size, unsigned int *flags); | ||
243 | extern u32 *of_get_pci_address(struct device_node *dev, int bar_no, | ||
244 | u64 *size, unsigned int *flags); | ||
245 | |||
246 | /* Get an address as a resource. Note that if your address is | ||
247 | * a PIO address, the conversion will fail if the physical address | ||
248 | * can't be internally converted to an IO token with | ||
249 | * pci_address_to_pio(), that is because it's either called to early | ||
250 | * or it can't be matched to any host bridge IO space | ||
251 | */ | ||
252 | extern int of_address_to_resource(struct device_node *dev, int index, | ||
253 | struct resource *r); | ||
254 | extern int of_pci_address_to_resource(struct device_node *dev, int bar, | ||
255 | struct resource *r); | ||
234 | 256 | ||
235 | #endif /* __KERNEL__ */ | 257 | #endif /* __KERNEL__ */ |
236 | #endif /* _POWERPC_PROM_H */ | 258 | #endif /* _POWERPC_PROM_H */ |