diff --git a/uart0-helloworld-sdboot.c b/uart0-helloworld-sdboot.c
index b512e4f..f2d241d 100644
--- a/uart0-helloworld-sdboot.c
+++ b/uart0-helloworld-sdboot.c
@@ -143,6 +143,7 @@ enum sunxi_gpio_number {
 #define SUN8I_H3_GPA_UART0      (2)
 #define SUN8I_R528_GPE_UART0	(6)
 #define SUN8I_V3S_GPB_UART0	(3)
+#define SUN8I_V5_GPB_UART0	(2)
 #define SUN8I_V831_GPH_UART0	(5)
 #define SUN8I_V853_GPH_UART0	(5)
 #define SUN50I_H5_GPA_UART0     (2)
@@ -312,6 +313,7 @@ void soc_detection_init(void)
 #define soc_is_v831()	(soc_id == 0x1817)
 #define soc_is_v853()	(soc_id == 0x1886)
 #define soc_is_r528()	(soc_id == 0x1859)
+#define soc_is_v5()	(soc_id == 0x1721)
 
 /* A10s and A13 share the same ID, so we need a little more effort on those */
 
@@ -396,7 +398,7 @@ void clock_init_uart_r329(void)
 
 void clock_init_uart(void)
 {
-	if (soc_is_h6() || soc_is_v831() || soc_is_h616())
+	if (soc_is_h6() || soc_is_v831() || soc_is_h616() || soc_is_v5())
 		clock_init_uart_h6();
 	else if (soc_is_r329() || soc_is_v853() || soc_is_r528())
 		clock_init_uart_r329();
@@ -484,6 +486,10 @@ void gpio_init(void)
 		sunxi_gpio_set_cfgpin(SUNXI_GPE(2), SUN8I_R528_GPE_UART0);
 		sunxi_gpio_set_cfgpin(SUNXI_GPE(3), SUN8I_R528_GPE_UART0);
 		sunxi_gpio_set_pull(SUNXI_GPE(3), SUNXI_GPIO_PULL_UP);
+	} else if (soc_is_v5()) {
+		sunxi_gpio_set_cfgpin(SUNXI_GPB(9), SUN8I_V5_GPB_UART0);
+		sunxi_gpio_set_cfgpin(SUNXI_GPB(10), SUN8I_V5_GPB_UART0);
+		sunxi_gpio_set_pull(SUNXI_GPB(10), SUNXI_GPIO_PULL_UP);
 	} else {
 		/* Unknown SoC */
 		while (1) {}
@@ -580,7 +586,7 @@ int get_boot_device(void)
 
 void bases_init(void)
 {
-	if (soc_is_h6() || soc_is_v831() || soc_is_h616()) {
+	if (soc_is_h6() || soc_is_v831() || soc_is_h616() || soc_is_v5()) {
 		pio_base = H6_PIO_BASE;
 		uart0_base = H6_UART0_BASE;
 	} else if (soc_is_r329()) {
@@ -637,6 +643,8 @@ int main(void)
 		uart0_puts("Allwinner V853!\n");
 	else if (soc_is_r528())
 		uart0_puts("Allwinner R528/T113!\n");
+	else if (soc_is_v5())
+		uart0_puts("Allwinner V5!\n");
 	else
 		uart0_puts("unknown Allwinner SoC!\n");