sm_len
(sc->sc_read)(sc, 0, &s->sm_len);
spd_len = s->sm_len & 0x0f;
spd_size = (s->sm_len >> 4) & 0x07;
spd_size = 64 << (s->sm_len & SPDMEM_SPDSIZE_MASK);
switch (s->sm_len & SPDMEM_SPDLEN_MASK) {
spd_len = s->sm_len;
switch (s->sm_len) {
#define IS_RAMBUS_TYPE (s->sm_len < 4)