LPC18XX_CGU_PLL0USB_CTRL
ctrl = readl(pll->reg + LPC18XX_CGU_PLL0USB_CTRL);
ctrl = readl(pll->reg + LPC18XX_CGU_PLL0USB_CTRL);
writel(ctrl, pll->reg + LPC18XX_CGU_PLL0USB_CTRL);
writel(ctrl, pll->reg + LPC18XX_CGU_PLL0USB_CTRL);
writel(ctrl, pll->reg + LPC18XX_CGU_PLL0USB_CTRL);