linux/arch/arm/boot/dts/ark1668e.dtsi

@@ -956,9 +956,9 @@
 			compatible = "on2,ark-vdec";
 			reg = <0xe0900000 0x1000
 #ifdef DDR512
-					0x5e000000 0x500000>;//max space 10Mbyte
+					0x5e000000 0xa00000>;//max space 10Mbyte
 #else
-					0x4e000000 0x500000>;//max space 10Mbyte
+					0x4e000000 0xa00000>;//max space 10Mbyte
 #endif
 			interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&mfcclk>;

u-boot/board/arkmicro/ark1668e_devb_emmc/ark1668e_devb_emmc.c

@@ -676,7 +676,8 @@ int board_late_init(void)
 	update_from_ota = env_get("update_from_ota");	
     printf("update_from_ota %s\n",update_from_ota);
  	need_update = env_get("need_update");
-	if (!strcmp(need_update, "yes")) {
+//	if (!strcmp(need_update, "yes")) {
+    if (1) {
 		loadaddr = env_get_hex("loadaddr", 0);
 
 		sprintf(cmd, "fatload %s %s %s update-magic", "mmc", env_get("sd_dev_part"), env_get("loadaddr"));