fence_udelay
fence_udelay(1, pll->clk_base);
fence_udelay(2, sdmmc_mux->reg);
fence_udelay(2, clk_base);
fence_udelay(1, emc->reg);
fence_udelay(1, emc->reg);
fence_udelay(1, emc->reg);
fence_udelay(5, clk_base);
fence_udelay(1, clk_base);
fence_udelay(1, clk_base);
fence_udelay(1, clk_base);
fence_udelay(2, clk_base);
fence_udelay(1, clk_base);
fence_udelay(1, clk_base);
fence_udelay(1, clk_base);
fence_udelay(1, clk_base);
fence_udelay(1, clk_base);
fence_udelay(1, clk_base);
fence_udelay(1, clk_base);
fence_udelay(1, clk_base);
fence_udelay(1, clk_base);
fence_udelay(1, clk_base);
fence_udelay(1, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
fence_udelay(1, clk_base);
fence_udelay(1, clk_base);
fence_udelay(1, clk_base);
fence_udelay(5, clk_base);
fence_udelay(2, clk_base);