+#ifdef CONFIG_SUNXI_DE2
+void clock_set_pll10(unsigned int clk)
+{
+ struct sunxi_ccm_reg * const ccm =
+ (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+ const int m = 2; /* 12 MHz steps */
+
+ if (clk == 0) {
+ clrbits_le32(&ccm->pll10_cfg, CCM_PLL10_CTRL_EN);
+ return;
+ }
+
+ /* PLL10 rate = 24000000 * n / m */
+ writel(CCM_PLL10_CTRL_EN | CCM_PLL10_CTRL_INTEGER_MODE |
+ CCM_PLL10_CTRL_N(clk / (24000000 / m)) | CCM_PLL10_CTRL_M(m),
+ &ccm->pll10_cfg);
+
+ while (!(readl(&ccm->pll10_cfg) & CCM_PLL10_CTRL_LOCK))
+ ;
+}
+#endif
+