VIVS_MC_BUS_CONFIG_FE_BUS_CONFIG__MASK
bus_config &= ~(VIVS_MC_BUS_CONFIG_FE_BUS_CONFIG__MASK |
#define VIVS_MC_BUS_CONFIG_FE_BUS_CONFIG(x) (((x) << VIVS_MC_BUS_CONFIG_FE_BUS_CONFIG__SHIFT) & VIVS_MC_BUS_CONFIG_FE_BUS_CONFIG__MASK)