blob: 866b8b51a8c9df383dc04587478874cb8fce77a9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2015 Stephen Warren
*/
#ifndef _BUS_ADDR_H
#define _BUS_ADDR_H
#ifdef CONFIG_PHYS_TO_BUS
unsigned long phys_to_bus(unsigned long phys);
unsigned long bus_to_phys(unsigned long bus);
#else
static inline unsigned long phys_to_bus(unsigned long phys)
{
return phys;
}
static inline unsigned long bus_to_phys(unsigned long bus)
{
return 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
|
