微處理器 - Allwinner V3S (Lichee Pi Zero) - 如何將U-Boot的輸出訊息轉到UART1

diff -Naur old/arch/arm/dts/sun8i-v3s.dtsi new/arch/arm/dts/sun8i-v3s.dtsi
--- old/arch/arm/dts/sun8i-v3s.dtsi  2018-08-10 17:52:18.083552923 +0800
+++ new/arch/arm/dts/sun8i-v3s.dtsi  2018-08-10 16:35:27.183862902 +0800
@@ -214,6 +214,12 @@
         bias-pull-up;
       };
 
+      uart1_pins_a: uart1@0 {
+        pins = "PE21", "PE22";
+        function = "uart1";
+        bias-pull-up;
+      };
+
       mmc0_pins_a: mmc0@0 {
         pins = "PF0", "PF1", "PF2", "PF3",
                "PF4", "PF5";
diff -Naur old/arch/arm/dts/sun8i-v3s-licheepi-zero.dts new/arch/arm/dts/sun8i-v3s-licheepi-zero.dts
--- old/arch/arm/dts/sun8i-v3s-licheepi-zero.dts  2018-08-10 17:52:18.083552923 +0800
+++ new/arch/arm/dts/sun8i-v3s-licheepi-zero.dts  2018-08-10 17:22:13.042186451 +0800
@@ -50,11 +50,13 @@
 
   aliases {
     serial0 = &uart0;
+    serial1 = &uart1;
     spi0 = &spi0;
   };
 
+  /*stdout-path = "serial0:115200n8";*/
   chosen {
-    stdout-path = "serial0:115200n8";
+    stdout-path = "serial1:115200n8";
   };
 };
 
@@ -76,6 +78,12 @@
   pinctrl-names = "default";
   status = "okay";
 };
+
+&uart1 {
+  pinctrl-0 = <&uart1_pins_a>;
+  pinctrl-names = "default";
+  status = "okay";
+};
 
 &usb_otg {
   dr_mode = "otg";
diff -Naur old/arch/arm/include/asm/arch-sunxi/gpio.h new/arch/arm/include/asm/arch-sunxi/gpio.h
--- old/arch/arm/include/asm/arch-sunxi/gpio.h  2018-08-10 17:52:18.166554175 +0800
+++ new/arch/arm/include/asm/arch-sunxi/gpio.h  2018-08-09 20:18:33.039821806 +0800
@@ -164,6 +164,7 @@
 #define SUN8I_A83T_GPB_UART0  2
 #define SUN8I_V3S_GPB_UART0  3
 #define SUN50I_GPB_UART0  4
+#define SUN8I_V3S_GPE_UART1  4
 
 #define SUNXI_GPC_NAND    2
 #define SUNXI_GPC_SPI0    3
diff -Naur old/arch/arm/mach-sunxi/board.c new/arch/arm/mach-sunxi/board.c
--- old/arch/arm/mach-sunxi/board.c  2018-08-10 17:52:18.295556120 +0800
+++ new/arch/arm/mach-sunxi/board.c  2018-08-09 20:18:33.042816530 +0800
@@ -114,6 +114,10 @@
   sunxi_gpio_set_cfgpin(SUNXI_GPB(8), SUN8I_V3S_GPB_UART0);
   sunxi_gpio_set_cfgpin(SUNXI_GPB(9), SUN8I_V3S_GPB_UART0);
   sunxi_gpio_set_pull(SUNXI_GPB(9), SUNXI_GPIO_PULL_UP);
+#elif CONFIG_CONS_INDEX == 2 && defined(CONFIG_MACH_SUN8I_V3S)
+  sunxi_gpio_set_cfgpin(SUNXI_GPE(21), SUN8I_V3S_GPE_UART1);
+  sunxi_gpio_set_cfgpin(SUNXI_GPE(22), SUN8I_V3S_GPE_UART1);
+  sunxi_gpio_set_pull(SUNXI_GPE(22), SUNXI_GPIO_PULL_UP);
 #elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN9I)
   sunxi_gpio_set_cfgpin(SUNXI_GPH(12), SUN9I_GPH_UART0);
   sunxi_gpio_set_cfgpin(SUNXI_GPH(13), SUN9I_GPH_UART0);

diff -Naur old/include/configs/sun8i.h new/include/configs/sun8i.h
--- old/include/configs/sun8i.h  2018-08-10 17:52:19.868579845 +0800
+++ new/include/configs/sun8i.h  2018-08-09 20:18:33.500010990 +0800
@@ -27,6 +27,14 @@
   #define CONFIG_SUNXI_USB_PHYS  2
 #endif
 
+#define CONFIG_BOOTCOMMAND   "sf probe 0; "                           \
+                             "sf read 0x41800000 0x100000 0x10000; "  \
+                             "sf read 0x41000000 0x110000 0x400000; " \
+                             "bootz 0x41000000 - 0x41800000"
+
+#define CONFIG_BOOTARGS      "console=ttyS1,115200 earlyprintk panic=5 rootwait " \
+                             "mtdparts=spi32766.0:1M(uboot)ro,64k(dtb)ro,4M(kernel)ro,-(rootfs) root=31:03 rw rootfstype=jffs2"
+
 /*
  * Include common sunxi configuration where most the settings are
  */
diff -Naur old/include/configs/sunxi-common.h new/include/configs/sunxi-common.h
--- old/include/configs/sunxi-common.h  2018-08-10 17:52:19.868579845 +0800
+++ new/include/configs/sunxi-common.h  2018-08-10 16:46:48.887623177 +0800
@@ -274,16 +274,18 @@
 #endif
 
 #ifndef CONFIG_CONS_INDEX
-#define CONFIG_CONS_INDEX              1       /* UART0 */
+#define CONFIG_CONS_INDEX              2       /* UART1 */
 #endif
 
 #ifdef CONFIG_REQUIRE_SERIAL_CONSOLE
-#if CONFIG_CONS_INDEX == 1
+#if CONFIG_CONS_INDEX == 1 /* UART0 */
 #ifdef CONFIG_MACH_SUN9I
 #define OF_STDOUT_PATH    "/soc/serial@07000000:115200"
 #else
 #define OF_STDOUT_PATH    "/soc@01c00000/serial@01c28000:115200"
 #endif
+#elif CONFIG_CONS_INDEX == 2 && defined(CONFIG_MACH_SUN8I) /* UART1 */
+#define OF_STDOUT_PATH    "/soc@01c00000/serial@01c28400:115200"
 #elif CONFIG_CONS_INDEX == 2 && defined(CONFIG_MACH_SUN5I)
 #define OF_STDOUT_PATH    "/soc@01c00000/serial@01c28400:115200"
 #elif CONFIG_CONS_INDEX == 3 && defined(CONFIG_MACH_SUN8I)