DCSB_CS_ENABLE
if (dcsb[dimm * 2] & DCSB_CS_ENABLE)
if (dcsb[dimm * 2 + 1] & DCSB_CS_ENABLE)
#define csrow_enabled(i, dct, pvt) ((pvt)->csels[(dct)].csbases[(i)] & DCSB_CS_ENABLE)
#define csrow_sec_enabled(i, dct, pvt) ((pvt)->csels[(dct)].csbases_sec[(i)] & DCSB_CS_ENABLE)