diff --git a/board/lt527x/init_dram/main.c b/board/lt527x/init_dram/main.c
index 321c9fc5..46c2f420 100644
--- a/board/lt527x/init_dram/main.c
+++ b/board/lt527x/init_dram/main.c
@@ -21,11 +21,44 @@ extern sunxi_i2c_t i2c_pmu;
 extern void set_rpio_power_mode(void);
 extern void rtc_set_vccio_det_spare(void);
 
+static void set_axp323_pmu_fin_voltage(char* power_name, uint32_t voltage){
+    int set_vol = voltage;
+    int temp_vol, src_vol = pmu_axp1530_get_vol(&i2c_pmu, power_name);
+    if (src_vol > voltage) {
+        for (temp_vol = src_vol; temp_vol >= voltage; temp_vol -= 50) {
+            pmu_axp1530_set_vol(&i2c_pmu, power_name, temp_vol, 1);
+        }
+    } else if (src_vol < voltage) {
+        for (temp_vol = src_vol; temp_vol <= voltage; temp_vol += 50) {
+            pmu_axp1530_set_vol(&i2c_pmu, power_name, temp_vol, 1);
+        }
+    }
+    mdelay(30); /* Delay 300ms for pmu bootup */
+}
+
+static void set_axp717_pmu_fin_voltage(char* power_name, uint32_t voltage){
+    int set_vol = voltage;
+    int temp_vol, src_vol = pmu_axp2202_get_vol(&i2c_pmu, power_name);
+    if (src_vol > voltage) {
+        for (temp_vol = src_vol; temp_vol >= voltage; temp_vol -= 50) {
+            pmu_axp2202_set_vol(&i2c_pmu, power_name, temp_vol, 1);
+        }
+    } else if (src_vol < voltage) {
+        for (temp_vol = src_vol; temp_vol <= voltage; temp_vol += 50) {
+            pmu_axp2202_set_vol(&i2c_pmu, power_name, temp_vol, 1);
+        }
+    }
+    mdelay(30); /* Delay 300ms for pmu bootup */
+}
+
 int main(void) {
     sunxi_serial_init(&uart_dbg);
 
     show_banner();
 
+    printk(LOG_LEVEL_INFO, "Board: Myir Tech LT527X-E, Chip: Allwinner T527\n");
+    printk(LOG_LEVEL_INFO, "SoC: Arm Octa-Core Cortex-A55 v65 r2p0\n");
+
     sunxi_clk_init();
 
     sunxi_clk_dump();