SPDMEM_DDR4_DATAWIDTH
datawidth = s->sm_data[SPDMEM_DDR4_DATAWIDTH] &
if (s->sm_data[SPDMEM_DDR4_DATAWIDTH] & SPDMEM_DDR4_DATAWIDTH_ECCMASK)
bits = 1 << ((s->sm_data[SPDMEM_DDR4_DATAWIDTH] &