arch/arm/mach-bcm283x/phys2bus.c

   1 /*
   2  * Copyright 2015 Stephen Warren
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <config.h>
   8 #include <phys2bus.h>
   9
  10 unsigned long phys_to_bus(unsigned long phys)
  11 {
  12 #ifdef CONFIG_BCM2836
  13         return 0xc0000000 | phys;
  14 #else
  15         return 0x40000000 | phys;
  16 #endif
  17 }
  18
  19 unsigned long bus_to_phys(unsigned long bus)
  20 {
  21         return bus & ~0xc0000000;
  22 }