mmDMA_QM_0_CP_MSG_BASE1_ADDR_LO
WREG32(mmDMA_QM_0_CP_MSG_BASE1_ADDR_LO + reg_off, so_base_lo);
mask |= 1 << ((mmDMA_QM_0_CP_MSG_BASE1_ADDR_LO & 0x7F) >> 2);