projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 927c1fa2 SW |
2 | /* |
| 3 | * Copyright 2015 Stephen Warren | |
| 927c1fa2 SW |
4 | */ |
| 5 | ||
| 6 | #ifndef _BUS_ADDR_H | |
| 7 | #define _BUS_ADDR_H | |
| 8 | ||
| 9 | #ifdef CONFIG_PHYS_TO_BUS | |
| 10 | unsigned long phys_to_bus(unsigned long phys); | |
| 11 | unsigned long bus_to_phys(unsigned long bus); | |
| 12 | #else | |
| 13 | static inline unsigned long phys_to_bus(unsigned long phys) | |
| 14 | { | |
| 15 | return phys; | |
| 16 | } | |
| 17 | ||
| 18 | static inline unsigned long bus_to_phys(unsigned long bus) | |
| 19 | { | |
| 20 | return bus; | |
| 21 | } | |
| 22 | #endif | |
| 23 | ||
| 2a15a25c NSJ |
24 | #if CONFIG_IS_ENABLED(DM) |
| 25 | #include <dm/device.h> | |
| 26 | ||
| 27 | static inline dma_addr_t dev_phys_to_bus(struct udevice *dev, phys_addr_t phys) | |
| 28 | { | |
| 29 | return phys - dev_get_dma_offset(dev); | |
| 30 | } | |
| 31 | ||
| 32 | static inline phys_addr_t dev_bus_to_phys(struct udevice *dev, dma_addr_t bus) | |
| 33 | { | |
| 34 | return bus + dev_get_dma_offset(dev); | |
| 35 | } | |
| 36 | #else | |
| 37 | #define dev_phys_to_bus(_, _addr) _addr | |
| 38 | #define dev_bus_to_phys(_, _addr) _addr | |
| 39 | #endif | |
| 40 | ||
| 927c1fa2 | 41 | #endif |