SDHC_NINTR_STATUS
status = HREAD2(hp, SDHC_NINTR_STATUS);
HWRITE2(hp, SDHC_NINTR_STATUS, status);
status = HREAD2(hp, SDHC_NINTR_STATUS);
HWRITE2(hp, SDHC_NINTR_STATUS, status);
printf("0x%02x NINTR_STATUS: %x\n", SDHC_NINTR_STATUS,
HREAD2(hp, SDHC_NINTR_STATUS));