SDHCI_HOST_CONTROL
WR1(slot, SDHCI_HOST_CONTROL, slot->hostctrl);
WR1(slot, SDHCI_HOST_CONTROL, slot->hostctrl);
RD4(slot, SDHCI_PRESENT_STATE), RD1(slot, SDHCI_HOST_CONTROL));
WR1(slot, SDHCI_HOST_CONTROL, slot->hostctrl |= SDHCI_CTRL_LED);
WR1(slot, SDHCI_HOST_CONTROL, slot->hostctrl &= ~SDHCI_CTRL_LED);
WR1(slot, SDHCI_HOST_CONTROL, slot->hostctrl);