diff options
Diffstat (limited to 'include/asm-powerpc/prom.h')
-rw-r--r-- | include/asm-powerpc/prom.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h index e73a2b482a15..f31af713e6a4 100644 --- a/include/asm-powerpc/prom.h +++ b/include/asm-powerpc/prom.h | |||
@@ -20,6 +20,7 @@ | |||
20 | #include <linux/platform_device.h> | 20 | #include <linux/platform_device.h> |
21 | #include <asm/irq.h> | 21 | #include <asm/irq.h> |
22 | #include <asm/atomic.h> | 22 | #include <asm/atomic.h> |
23 | #include <asm/io.h> | ||
23 | 24 | ||
24 | /* Definitions used by the flattened device tree */ | 25 | /* Definitions used by the flattened device tree */ |
25 | #define OF_DT_HEADER 0xd00dfeed /* marker */ | 26 | #define OF_DT_HEADER 0xd00dfeed /* marker */ |
@@ -355,6 +356,16 @@ static inline int of_irq_to_resource(struct device_node *dev, int index, struct | |||
355 | return irq; | 356 | return irq; |
356 | } | 357 | } |
357 | 358 | ||
359 | static inline void __iomem *of_iomap(struct device_node *np, int index) | ||
360 | { | ||
361 | struct resource res; | ||
362 | |||
363 | if (of_address_to_resource(np, index, &res)) | ||
364 | return NULL; | ||
365 | |||
366 | return ioremap(res.start, 1 + res.end - res.start); | ||
367 | } | ||
368 | |||
358 | 369 | ||
359 | #endif /* __KERNEL__ */ | 370 | #endif /* __KERNEL__ */ |
360 | #endif /* _POWERPC_PROM_H */ | 371 | #endif /* _POWERPC_PROM_H */ |