diff options
Diffstat (limited to 'arch/arm/mach-bcm283x/phys2bus.c')
-rw-r--r-- | arch/arm/mach-bcm283x/phys2bus.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mach-bcm283x/phys2bus.c b/arch/arm/mach-bcm283x/phys2bus.c new file mode 100644 index 0000000..fc1c299 --- /dev/null +++ b/arch/arm/mach-bcm283x/phys2bus.c @@ -0,0 +1,22 @@ +/* + * 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; +} |