PCIC_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT
(mem8 ? 0 : PCIC_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT));
| PCIC_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT; /* bit 7 on */