RNGA_CONTROL
ctrl = __raw_readl(mxc_rng->mem + RNGA_CONTROL);
__raw_writel(ctrl & ~RNGA_CONTROL_SLEEP, mxc_rng->mem + RNGA_CONTROL);
ctrl = __raw_readl(mxc_rng->mem + RNGA_CONTROL);
__raw_writel(ctrl | RNGA_CONTROL_GO, mxc_rng->mem + RNGA_CONTROL);
ctrl = __raw_readl(mxc_rng->mem + RNGA_CONTROL);
__raw_writel(ctrl & ~RNGA_CONTROL_GO, mxc_rng->mem + RNGA_CONTROL);
ctrl = __raw_readl(mxc_rng->mem + RNGA_CONTROL);
mxc_rng->mem + RNGA_CONTROL);