MXC_PLL_DP_CTL
dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL);
dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL);
__raw_writel(dp_ctl | 0x1000L, pllbase + MXC_PLL_DP_CTL);
reg = __raw_readl(pllbase + MXC_PLL_DP_CTL) | MXC_PLL_DP_CTL_UPEN;
__raw_writel(reg, pllbase + MXC_PLL_DP_CTL);
reg = __raw_readl(pllbase + MXC_PLL_DP_CTL);
reg = __raw_readl(pllbase + MXC_PLL_DP_CTL) & ~MXC_PLL_DP_CTL_UPEN;
__raw_writel(reg, pllbase + MXC_PLL_DP_CTL);