diff options
Diffstat (limited to 'include/phys2bus.h')
-rw-r--r-- | include/phys2bus.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/phys2bus.h b/include/phys2bus.h index dc9b8e5a25..866b8b51a8 100644 --- a/include/phys2bus.h +++ b/include/phys2bus.h @@ -21,4 +21,21 @@ static inline unsigned long bus_to_phys(unsigned long bus) } #endif +#if CONFIG_IS_ENABLED(DM) +#include <dm/device.h> + +static inline dma_addr_t dev_phys_to_bus(struct udevice *dev, phys_addr_t phys) +{ + return phys - dev_get_dma_offset(dev); +} + +static inline phys_addr_t dev_bus_to_phys(struct udevice *dev, dma_addr_t bus) +{ + return bus + dev_get_dma_offset(dev); +} +#else +#define dev_phys_to_bus(_, _addr) _addr +#define dev_bus_to_phys(_, _addr) _addr +#endif + #endif |