MMC_OCR_S18A
sc->sc_ocr |= MMC_OCR_S18A;
if (sdmmc_chip_host_ocr(sc->sct, sc->sch) & MMC_OCR_S18A)
SET(ocr, MMC_OCR_S18A);
if (ISSET(sc->sc_flags, SMF_SD_MODE) && ISSET(new_ocr, MMC_OCR_S18A)) {