WI_DATA0
CSR_WRITE_RAW_2(sc, WI_DATA0, ptr, len);
CSR_WRITE_2(sc, WI_DATA0, 0x1234);
CSR_WRITE_2(sc, WI_DATA0, 0x5678);
if (CSR_READ_2(sc, WI_DATA0) != 0x1234 ||
CSR_READ_2(sc, WI_DATA0) != 0x5678)
CSR_WRITE_2(sc, WI_DATA0, 0);
#define WI_BAP0 WI_DATA0