duos: support reset button in u-boot

build/boards/cv181x/cv1813h_milkv_duos_emmc/u-boot/cvi_board_init.c

+static void set_rtc_register_for_power(void)
+{
+	printf("set_rtc_register_for_power\n");
+	mmio_write_32(0x050260D0, 0x7);
+}
+
 int cvi_board_init(void)
 {
 	// Camera
@@ -34,5 +40,8 @@ int cvi_board_init(void)
 	PINMUX_CONFIG(PWR_WAKEUP0, EPHY_LNK_LED);
 	PINMUX_CONFIG(PWR_BUTTON1, EPHY_SPD_LED);
 
+	set_rtc_register_for_power();
+
 	return 0;
 }
+

build/boards/cv181x/cv1813h_milkv_duos_sd/u-boot/cvi_board_init.c

+static void set_rtc_register_for_power(void)
+{
+	printf("set_rtc_register_for_power\n");
+	mmio_write_32(0x050260D0, 0x7);
+}
+
 int cvi_board_init(void)
 {
 	// Camera
@@ -34,5 +40,8 @@ int cvi_board_init(void)
 	PINMUX_CONFIG(PWR_WAKEUP0, EPHY_LNK_LED);
 	PINMUX_CONFIG(PWR_BUTTON1, EPHY_SPD_LED);
 
+	set_rtc_register_for_power();
+
 	return 0;
 }
+

device/milkv-duos-sd/overlay/mnt/system/duo-init.sh

@@ -33,6 +33,3 @@ insmod /mnt/system/ko/cv181x_pwm.ko
 camera2_rst=484
 set_gpio ${camera2_rst} 1
 
-# Reset
-devmem 0x050260d0 32 0x7
-