14.22 CacheErr Register (27)
Figure 14-26 CacheErr Register Format for Secondary Cache Errors
EW: set when CacheErr register is already holding the values of a previous error
D: uncorrectable data array error (way1 || way0)
TA: uncorrectable tag array error (way1 || way0)
SIdx: secondary cache physical block index (PA[22:6] for 16-word block size or PA[22:7] for 32-word block size)