xref: /OK3568_Linux_fs/u-boot/include/phys2bus.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2015 Stephen Warren
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:     GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef _BUS_ADDR_H
8*4882a593Smuzhiyun #define _BUS_ADDR_H
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #ifdef CONFIG_PHYS_TO_BUS
11*4882a593Smuzhiyun unsigned long phys_to_bus(unsigned long phys);
12*4882a593Smuzhiyun unsigned long bus_to_phys(unsigned long bus);
13*4882a593Smuzhiyun #else
phys_to_bus(unsigned long phys)14*4882a593Smuzhiyun static inline unsigned long phys_to_bus(unsigned long phys)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun 	return phys;
17*4882a593Smuzhiyun }
18*4882a593Smuzhiyun 
bus_to_phys(unsigned long bus)19*4882a593Smuzhiyun static inline unsigned long bus_to_phys(unsigned long bus)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun 	return bus;
22*4882a593Smuzhiyun }
23*4882a593Smuzhiyun #endif
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #endif
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