DAVINCI_SDIOIST
writel(SDIOIST_IOINT, host->base + DAVINCI_SDIOIST);
writel(SDIOIST_IOINT, host->base + DAVINCI_SDIOIST);
status = readl(host->base + DAVINCI_SDIOIST);
writel(status | SDIOIST_IOINT, host->base + DAVINCI_SDIOIST);