arch/arm/mach-bcm283x/phys2bus.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

/*
 * Copyright 2015 Stephen Warren
 *
 * SPDX-License-Identifier:     GPL-2.0+
 */

#include <config.h>
#include <phys2bus.h>

unsigned long phys_to_bus(unsigned long phys)
{
#ifdef CONFIG_BCM2836
	return 0xc0000000 | phys;
#else
	return 0x40000000 | phys;
#endif
}

unsigned long bus_to_phys(unsigned long bus)
{
	return bus & ~0xc0000000;
}