diff --git a/Makefile b/Makefile
index caebec7e..970a60e9 100644
--- a/Makefile
+++ b/Makefile
@@ -31,6 +31,9 @@ build_unix_frozen: vendor build_cross ## build unix port with frozen modules (fr
 build_cross: vendor ## build mpy-cross port
 	make -C vendor/micropython/mpy-cross MICROPY_FORCE_32BIT=1
 
+build_bootloader: vendor ## build bootloader
+	make -C vendor/micropython/stmhal -f Makefile.bootloader
+
 run: ## run unix port
 	cd src ; ../vendor/micropython/unix/micropython
 
@@ -56,6 +59,11 @@ flash: ## flash firmware using st-flash
 	sleep 0.1
 	st-flash write $(STMHAL_BUILD_DIR)/firmware1.bin 0x8020000
 
+flash_bootloader: vendor ## build bootloader
+	st-flash write $(STMHAL_BUILD_DIR)/bootloader0.bin 0x8000000
+	sleep 0.1
+	st-flash write $(STMHAL_BUILD_DIR)/bootloader1.bin 0x8020000
+
 openocd: ## start openocd which connects to the device
 	openocd -f interface/stlink-v2.cfg -f target/stm32f4x.cfg
 
diff --git a/bootloader/Makefile.bootloader b/bootloader/Makefile.bootloader
index ed1c976f..77eb9219 100644
--- a/bootloader/Makefile.bootloader
+++ b/bootloader/Makefile.bootloader
@@ -18,6 +18,7 @@ QSTR_DEFS = qstrdefsport.h $(BUILD)/pins_qstr.h $(BUILD)/modstm_qstr.h
 # include py core make definitions
 include ../py/py.mk
 
+LD_DIR=boards
 CMSIS_DIR=cmsis
 HAL_DIR=hal/$(MCU_SERIES)
 USBDEV_DIR=usbdev
@@ -57,7 +58,7 @@ CFLAGS += $(COPT)
 CFLAGS += -Iboards/$(BOARD)
 CFLAGS += -DSTM32_HAL_H='<stm32$(MCU_SERIES)xx_hal.h>'
 
-LDFLAGS = -nostdlib -T $(LD_FILE) -Map=$(@:.elf=.map) --cref
+LDFLAGS = -nostdlib -L $(LD_DIR) -T $(LD_FILE) -Map=$(@:.elf=.map) --cref
 LIBS =
 
 # Remove uncalled code from the final image.
diff --git a/bootloader/bootloader.c b/bootloader/bootloader.c
index 03a01e22..ff4a86e8 100644
--- a/bootloader/bootloader.c
+++ b/bootloader/bootloader.c
@@ -63,10 +63,9 @@ int main(void) {
     __GPIOC_CLK_ENABLE();
     __GPIOD_CLK_ENABLE();
 
-
     display_init();
-    display_bar(0, 0, RESX, RESY, 0x0000);
-    display_text(0, 0, "TREZOR", 6, 0, 0xFFFF, 0x0000);
+    display_clear();
+    display_text(0, 0, "TREZOR", 6, FONT_MONO, 0xFFFF, 0x0000);
     display_backlight(255);
 
     __fatal_error("end");
diff --git a/extmod/modtrezorui/display.c b/extmod/modtrezorui/display.c
index 9517ef9f..db937dd1 100644
--- a/extmod/modtrezorui/display.c
+++ b/extmod/modtrezorui/display.c
@@ -178,11 +178,11 @@ static const uint8_t *get_glyph(uint8_t font, uint8_t c)
         return 0;
     }
     switch (font) {
-        case 0:
+        case FONT_MONO:
             return Font_RobotoMono_Regular_20[c - ' '];
-        case 1:
+        case FONT_NORMAL:
             return Font_Roboto_Regular_20[c - ' '];
-        case 2:
+        case FONT_BOLD:
             return Font_Roboto_Bold_20[c - ' '];
     }
     return 0;
diff --git a/extmod/modtrezorui/display.h b/extmod/modtrezorui/display.h
index 4eccd25a..1fc6edf9 100644
--- a/extmod/modtrezorui/display.h
+++ b/extmod/modtrezorui/display.h
@@ -11,6 +11,10 @@
 #define DISPLAY_RESX 240
 #define DISPLAY_RESY 240
 
+#define FONT_MONO   0
+#define FONT_NORMAL 1
+#define FONT_BOLD   2
+
 void display_init(void);
 void display_set_window(uint16_t x, uint16_t y, uint16_t w, uint16_t h);
 void display_update(void);
diff --git a/extmod/modtrezorui/modtrezorui-display.h b/extmod/modtrezorui/modtrezorui-display.h
index 9649a478..50f57a79 100644
--- a/extmod/modtrezorui/modtrezorui-display.h
+++ b/extmod/modtrezorui/modtrezorui-display.h
@@ -332,6 +332,9 @@ STATIC const mp_rom_map_elem_t mod_TrezorUi_Display_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_orientation), MP_ROM_PTR(&mod_TrezorUi_Display_orientation_obj) },
     { MP_ROM_QSTR(MP_QSTR_backlight), MP_ROM_PTR(&mod_TrezorUi_Display_backlight_obj) },
     { MP_ROM_QSTR(MP_QSTR_raw), MP_ROM_PTR(&mod_TrezorUi_Display_raw_obj) },
+    { MP_ROM_QSTR(MP_QSTR_FONT_MONO), MP_OBJ_NEW_SMALL_INT(FONT_MONO) },
+    { MP_ROM_QSTR(MP_QSTR_FONT_NORMAL), MP_OBJ_NEW_SMALL_INT(FONT_NORMAL) },
+    { MP_ROM_QSTR(MP_QSTR_FONT_BOLD), MP_OBJ_NEW_SMALL_INT(FONT_BOLD) },
 };
 STATIC MP_DEFINE_CONST_DICT(mod_TrezorUi_Display_locals_dict, mod_TrezorUi_Display_locals_dict_table);
 
diff --git a/src/trezor/ui/__init__.py b/src/trezor/ui/__init__.py
index 74903420..29ec0b63 100644
--- a/src/trezor/ui/__init__.py
+++ b/src/trezor/ui/__init__.py
@@ -42,9 +42,9 @@ WHITE       = rgbcolor(0xFA, 0xFA, 0xFA)
 PM_DARK_BLUE = rgbcolor(0x1A, 0x29, 0x42)
 PM_BLUE      = rgbcolor(0x34, 0x98, 0xdb)
 
-MONO   = const(0)
-NORMAL = const(1)
-BOLD   = const(2)
+MONO   = Display.FONT_MONO
+NORMAL = Display.FONT_NORMAL
+BOLD   = Display.FONT_BOLD
 
 
 def in_area(pos: tuple, area: tuple) -> bool: