SDHC_CARD_INTERRUPT
HSET2(hp, SDHC_NINTR_STATUS_EN, SDHC_CARD_INTERRUPT);
HSET2(hp, SDHC_NINTR_SIGNAL_EN, SDHC_CARD_INTERRUPT);
HCLR2(hp, SDHC_NINTR_SIGNAL_EN, SDHC_CARD_INTERRUPT);
HCLR2(hp, SDHC_NINTR_STATUS_EN, SDHC_CARD_INTERRUPT);
HSET2(hp, SDHC_NINTR_STATUS_EN, SDHC_CARD_INTERRUPT);
&& ISSET(status, SDHC_CARD_INTERRUPT)) {
HCLR2(hp, SDHC_NINTR_STATUS_EN, SDHC_CARD_INTERRUPT);