RD2
hostctrl2 = RD2(slot, SDHCI_HOST_CONTROL2);
hostctrl2 = RD2(slot, SDHCI_HOST_CONTROL2);
hostctrl2 = RD2(slot, SDHCI_HOST_CONTROL2);
RD4(slot, SDHCI_SDMA_ADDRESS), RD2(slot, SDHCI_HOST_VERSION));
RD2(slot, SDHCI_BLOCK_SIZE), RD2(slot, SDHCI_BLOCK_COUNT));
RD4(slot, SDHCI_ARGUMENT), RD2(slot, SDHCI_TRANSFER_MODE));
RD1(slot, SDHCI_WAKE_UP_CONTROL), RD2(slot, SDHCI_CLOCK_CONTROL));
RD2(slot, SDHCI_ACMD12_ERR), RD2(slot, SDHCI_HOST_CONTROL2));
RD4(slot, SDHCI_ADMA_ADDRESS_LOW), RD2(slot, SDHCI_SLOT_INT_STATUS));
clk = RD2(slot, SDHCI_CLOCK_CONTROL);
clk_sel = RD2(slot, BCM577XX_HOST_CONTROL) & BCM577XX_CTRL_CLKSEL_MASK;
while (!((clk = RD2(slot, SDHCI_CLOCK_CONTROL))
slot->version = (RD2(slot, SDHCI_HOST_VERSION)
hostctrl2 = RD2(slot, SDHCI_HOST_CONTROL2);