Fix, improve FYSETC_MINI_12864 support (#13730)

Marlin/src/HAL/HAL_LPC1768/SanityCheck.h

   #endif
 #endif // SPINDLE_LASER_ENABLE
 
-#if ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER) && HAS_DRIVER(TMC2130) && DISABLED(TMC_USE_SW_SPI) \
-    && (MB(RAMPS_14_RE_ARM_EFB) \
-    ||  MB(RAMPS_14_RE_ARM_EEB) \
-    ||  MB(RAMPS_14_RE_ARM_EFF) \
-    ||  MB(RAMPS_14_RE_ARM_EEF) \
-    ||  MB(RAMPS_14_RE_ARM_SF))
+#if IS_RE_ARM_BOARD && ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER) && HAS_DRIVER(TMC2130) && DISABLED(TMC_USE_SW_SPI)
   #error "Re-ARM with REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER and TMC2130 require TMC_USE_SW_SPI"
 #endif
 

Marlin/src/inc/Conditionals_LCD.h

 #if ENABLED(SLIM_LCD_MENUS)
   #define BOOT_MARLIN_LOGO_SMALL
 #endif
+
+#define IS_RE_ARM_BOARD (MB(RAMPS_14_RE_ARM_EFB) || MB(RAMPS_14_RE_ARM_EEB) || MB(RAMPS_14_RE_ARM_EFF) || MB(RAMPS_14_RE_ARM_EEF) || MB(RAMPS_14_RE_ARM_SF))

Marlin/src/inc/SanityCheck.h

 #endif
 
 /**
+ * Fysetc Mini 12864 requirements
+ */
+#if ENABLED(FYSETC_MINI_12864) && DISABLED(LED_USER_PRESET_STARTUP)
+  #error "FYSETC_MINI_12864 requires LED_USER_PRESET_STARTUP to enable the backlight on startup."
+#endif
+
+/**
  * Check existing CS pins against enabled TMC SPI drivers.
  */
 #define INVALID_TMC2130(ST) (AXIS_DRIVER_TYPE(ST, TMC2130) && !PIN_EXISTS(ST##_CS))

Marlin/src/lcd/dogm/ultralcd_DOGM.h

   //#define U8G_CLASS U8GLIB_MINI12864
   //#define U8G_PARAM DOGLCD_CS, DOGLCD_A0                            // 8 stripes
   #define U8G_CLASS U8GLIB_MINI12864_2X
-  #if EITHER(FYSETC_MINI_12864, TARGET_LPC1768)
+  #if ENABLED(FYSETC_MINI_12864) && DOGLCD_SCK > 0
     #define U8G_PARAM DOGLCD_SCK, DOGLCD_MOSI, DOGLCD_CS, DOGLCD_A0   // 4 stripes SW-SPI
   #else
     #define U8G_PARAM DOGLCD_CS, DOGLCD_A0                            // 4 stripes HW-SPI

Marlin/src/pins/pins_BIGTREE_SKR_V1.3.h

     #define LCD_PINS_D4     P1_21
 
   #else
-
     #define LCD_PINS_RS     P1_19
 
     #define BTN_EN1         P3_26   // (31) J3-2 & AUX-4
     #define BTN_EN2         P3_25   // (33) J3-4 & AUX-4
-    #define SD_DETECT_PIN   P1_31   // (49) (NOT 5V tolerant)
-
-    #define LCD_SDSS        P0_16   // (16) J3-7 & AUX-4
 
     #define LCD_PINS_ENABLE P1_18
     #define LCD_PINS_D4     P1_20
 
-    #if ENABLED(ULTIPANEL)
-      #define LCD_PINS_D5   P1_21
-      #define LCD_PINS_D6   P1_22
-      #define LCD_PINS_D7   P1_23
-    #endif
+    #define LCD_SDSS        P0_16   // (16) J3-7 & AUX-4
+    #define SD_DETECT_PIN   P1_31   // (49) (NOT 5V tolerant)
 
-    #if ENABLED(MKS_MINI_12864)
-      #define DOGLCD_CS     P1_21
-      #define DOGLCD_A0     P1_22
-    #endif
+    #if ENABLED(FYSETC_MINI_12864)
+      #define DOGLCD_CS     P1_18 
+      #define DOGLCD_A0     P1_19
+      #define LCD_RESET_PIN P1_20
+      #define LCD_BACKLIGHT_PIN -1
+
+      #define RGB_LED
+      #ifndef RGB_LED_R_PIN
+        #define RGB_LED_R_PIN P1_21
+      #endif
+      #ifndef RGB_LED_G_PIN
+        #define RGB_LED_G_PIN P1_22
+      #endif
+      #ifndef RGB_LED_B_PIN
+        #define RGB_LED_B_PIN P1_23
+      #endif
+      #ifndef RGB_LED_W_PIN
+        #define RGB_LED_W_PIN -1
+      #endif
+
+    #else
+
+      #if ENABLED(MKS_MINI_12864)
+        #define DOGLCD_CS     P1_21
+        #define DOGLCD_A0     P1_22
+      #endif
+
+      #if ENABLED(ULTIPANEL)
+        #define LCD_PINS_D5   P1_21
+        #define LCD_PINS_D6   P1_22
+        #define LCD_PINS_D7   P1_23
+      #endif
+
+    #endif // FYSETC_MINI_12864
 
   #endif
 

Marlin/src/pins/pins_FYSETC_F6_13.h

 #define BEEPER_PIN         37
 #define SD_DETECT_PIN      49
 
-#if ENABLED(MKS_MINI_12864)
-  #define DOGLCD_A0        27
-  #define DOGLCD_CS        25
-#endif
-
 #if ENABLED(FYSETC_MINI_12864)
   //
   // See https://wiki.fysetc.com/Mini12864_Panel/?fbclid=IwAR1FyjuNdVOOy9_xzky3qqo_WeM5h-4gpRnnWhQr_O1Ef3h0AFnFXmCehK8
     #define RGB_LED_B_PIN  29
   #endif
 
+  #define LCD_BACKLIGHT_PIN -1
+  #define LCD_RESET_PIN    23
+  #define KILL_PIN         41
+
 #elif HAS_GRAPHICAL_LCD
 
   #define LCD_PINS_RS      16
   #define LCD_PINS_D6      27
   #define LCD_PINS_D7      29
 
+  #if ENABLED(MKS_MINI_12864)
+    #define DOGLCD_CS      25
+    #define DOGLCD_A0      27
+  #endif
+
 #endif
 
 #if ENABLED(NEWPANEL)
   #define BTN_ENC          35
 #endif
 
-#if ENABLED(FYSETC_MINI_12864)
-  #define LCD_BACKLIGHT_PIN -1
-  #define LCD_RESET_PIN    23
-  #define KILL_PIN         41
-  #ifndef RGB_LED_R_PIN
-    #define RGB_LED_R_PIN  25
-  #endif
-  #ifndef RGB_LED_G_PIN
-    #define RGB_LED_G_PIN  27
-  #endif
-  #ifndef RGB_LED_B_PIN
-    #define RGB_LED_B_PIN  29
-  #endif
-#endif
 #ifndef RGB_LED_R_PIN
   #define RGB_LED_R_PIN     3
 #endif