bus_write_32       46 bsp/drv/arm/include/busio.h #define bus_write_32(addr, val)	(*((volatile uint32_t *)(addr)) = (val))
bus_write_32       49 bsp/drv/ppc/include/busio.h #define bus_write_32(addr, val)	(*((volatile uint32_t *)(IOBASE+addr)) = (val))
bus_write_32       45 bsp/drv/x86/arch/busio.S ENTRY(bus_write_32)