ALX_MASTER_PCLKSEL_SRDS
alx_write_mem32(hw, ALX_MASTER, val | ALX_MASTER_PCLKSEL_SRDS);
(val & ALX_MASTER_PCLKSEL_SRDS) == 0)
val | ALX_MASTER_PCLKSEL_SRDS |
(val & ALX_MASTER_PCLKSEL_SRDS) != 0)
(val & ~ALX_MASTER_PCLKSEL_SRDS) |