3 files changed, 105 insertions, 8 deletions
diff --git a/keyboards/mlego/m65/rev4/config.h b/keyboards/mlego/m65/rev4/config.h
index ee47061a91..07dd0fefaa 100644
--- a/keyboards/mlego/m65/rev4/config.h
+++ b/keyboards/mlego/m65/rev4/config.h
@@ -17,8 +17,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-#define DEVICE_VER 0x0004
-#define PRODUCT_ID 0x6060
+#define DEVICE_VER 0x0002
+#define PRODUCT_ID 0x6062
 
 #define LED_NUM_LOCK_PIN B12
 #define LED_SCROLL_LOCK_PIN B13
@@ -31,18 +31,18 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MATRIX_COL_PINS \
     { B14, A8, A10, A15, B3, B4, B5, B7, A1, A2, A3, A4, B1 }
 
+#ifdef ENCODER_ENABLE
 #define ENCODERS_PAD_A \
     { A0 }
 #define ENCODERS_PAD_B \
     { B6 }
+#define ENCODER_RESOLUTION 4
+#endif
 
-#define RGB_DI_PIN B15
+#ifdef RGBLIGHT_ENABLE
 
-#define UNUSED_PINS
+#define RGB_DI_PIN B15
 #define RGBLIGHT_LAYERS
-
-#define ENCODER_RESOLUTION 4
-
 #undef RGBLED_NUM
 #define RGBLED_NUM 20
 #define RGBLIGHT_EFFECT_BREATHING
@@ -58,6 +58,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLIGHT_HUE_STEP 8
 #define RGBLIGHT_SAT_STEP 8
 
+#endif
+
 #ifdef OLED_ENABLE
 #    define OLED_DISPLAY_128X32
 #define I2C1_SCL_PIN        B9
@@ -65,3 +67,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define OLED_BRIGHTNESS 128
 #define OLED_FONT_H "keyboards/mlego/m65/lib/glcdfont.c"
 #endif
+
+#define UNUSED_PINS
+// you want to comment this if using stm32-dfu as bootloader
+#define FEE_PAGE_BASE_ADDRESS 0x08008000
diff --git a/keyboards/mlego/m65/rev4/ld/STM32F401xE.ld b/keyboards/mlego/m65/rev4/ld/STM32F401xE.ld
new file mode 100644
index 0000000000..daec7d8583
--- /dev/null
+++ b/keyboards/mlego/m65/rev4/ld/STM32F401xE.ld
@@ -0,0 +1,88 @@
+/*
+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/*
+ * STM32F401xE memory setup.
+ */
+MEMORY
+{
+    flash0 (rx) : org = 0x08000000, len = 16k /* tinyuf2 bootloader requires app to be located at 64k offset for this MCU */
+    flash1 (rx) : org = 0x08004000, len = 16k
+    flash2 (rx) : org = 0x08008000, len = 16k /* emulated eeprom */
+    flash3 (rx) : org = 0x0800C000, len = 16k
+    flash4 (rx) : org = 0x08010000, len = 512k - 64k
+    flash5 (rx) : org = 0x00000000, len = 0
+    flash6 (rx) : org = 0x00000000, len = 0
+    flash7 (rx) : org = 0x00000000, len = 0
+    ram0   (wx) : org = 0x20000000, len = 96k
+    ram1   (wx) : org = 0x00000000, len = 0
+    ram2   (wx) : org = 0x00000000, len = 0
+    ram3   (wx) : org = 0x00000000, len = 0
+    ram4   (wx) : org = 0x00000000, len = 0
+    ram5   (wx) : org = 0x00000000, len = 0
+    ram6   (wx) : org = 0x00000000, len = 0
+    ram7   (wx) : org = 0x00000000, len = 0
+}
+
+/* For each data/text section two region are defined, a virtual region
+   and a load region (_LMA suffix).*/
+
+/* Flash region to be used for exception vectors.*/
+REGION_ALIAS("VECTORS_FLASH", flash4);
+REGION_ALIAS("VECTORS_FLASH_LMA", flash4);
+
+/* Flash region to be used for constructors and destructors.*/
+REGION_ALIAS("XTORS_FLASH", flash4);
+REGION_ALIAS("XTORS_FLASH_LMA", flash4);
+
+/* Flash region to be used for code text.*/
+REGION_ALIAS("TEXT_FLASH", flash4);
+REGION_ALIAS("TEXT_FLASH_LMA", flash4);
+
+/* Flash region to be used for read only data.*/
+REGION_ALIAS("RODATA_FLASH", flash4);
+REGION_ALIAS("RODATA_FLASH_LMA", flash4);
+
+/* Flash region to be used for various.*/
+REGION_ALIAS("VARIOUS_FLASH", flash4);
+REGION_ALIAS("VARIOUS_FLASH_LMA", flash4);
+
+/* Flash region to be used for RAM(n) initialization data.*/
+REGION_ALIAS("RAM_INIT_FLASH_LMA", flash4);
+
+/* RAM region to be used for Main stack. This stack accommodates the processing
+   of all exceptions and interrupts.*/
+REGION_ALIAS("MAIN_STACK_RAM", ram0);
+
+/* RAM region to be used for the process stack. This is the stack used by
+   the main() function.*/
+REGION_ALIAS("PROCESS_STACK_RAM", ram0);
+
+/* RAM region to be used for data segment.*/
+REGION_ALIAS("DATA_RAM", ram0);
+REGION_ALIAS("DATA_RAM_LMA", flash4);
+
+/* RAM region to be used for BSS segment.*/
+REGION_ALIAS("BSS_RAM", ram0);
+
+/* RAM region to be used for the default heap.*/
+REGION_ALIAS("HEAP_RAM", ram0);
+
+/* Generic rules inclusion.*/
+INCLUDE rules.ld
+
+/* TinyUF2 bootloader reset support */
+_board_dfu_dbl_tap = ORIGIN(ram0) + 64k - 4; /* this is based off the linker file for tinyuf2 */
diff --git a/keyboards/mlego/m65/rev4/rules.mk b/keyboards/mlego/m65/rev4/rules.mk
index 9e1e0ab23b..bf4285383a 100644
--- a/keyboards/mlego/m65/rev4/rules.mk
+++ b/keyboards/mlego/m65/rev4/rules.mk
@@ -2,7 +2,10 @@
 MCU = STM32F401
 
 # Bootloader selection
-BOOTLOADER = stm32-dfu
+BOOTLOADER = tinyuf2
+#BOOTLOADER = stm32-dfu
+MCU_LDSCRIPT = STM32F401xE
+EEPROM_DRIVER = vendor
 
 # Build Options
 #   change yes to no to disable