Merge branch 'master' into meteor

45 files changed, 823 insertions, 2495 deletions

diff --git a/tmk_core/avr.mk b/tmk_core/avr.mk
index 04ae162246..336a83e9d3 100644
--- a/tmk_core/avr.mk
+++ b/tmk_core/avr.mk
@@ -120,15 +120,16 @@ define EXEC_DFU
 	if $(DFU_PROGRAMMER) --version 2>&1 | $(GREP) -q 0.7 ; then\
 		$(DFU_PROGRAMMER) $(MCU) erase --force; \
 		if [ "$(1)" ]; then \
-			$(DFU_PROGRAMMER) $(MCU) flash --eeprom $(QUANTUM_PATH)/split_common/$(1);\
+			$(DFU_PROGRAMMER) $(MCU) flash --force --eeprom $(QUANTUM_PATH)/split_common/$(1);\
 		fi; \
+		$(DFU_PROGRAMMER) $(MCU) flash --force $(BUILD_DIR)/$(TARGET).hex;\
 	else \
 		$(DFU_PROGRAMMER) $(MCU) erase; \
 		if [ "$(1)" ]; then \
 			$(DFU_PROGRAMMER) $(MCU) flash-eeprom $(QUANTUM_PATH)/split_common/$(1);\
 		fi; \
+		$(DFU_PROGRAMMER) $(MCU) flash $(BUILD_DIR)/$(TARGET).hex;\
 	fi; \
-	$(DFU_PROGRAMMER) $(MCU) flash $(BUILD_DIR)/$(TARGET).hex;\
 	$(DFU_PROGRAMMER) $(MCU) reset
 endef
 
@@ -141,7 +142,7 @@ dfu-start:
 
 dfu-ee: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep
 	if $(DFU_PROGRAMMER) --version 2>&1 | $(GREP) -q 0.7 ; then\
-		$(DFU_PROGRAMMER) $(MCU) flash --eeprom $(BUILD_DIR)/$(TARGET).eep;\
+		$(DFU_PROGRAMMER) $(MCU) flash --force --eeprom $(BUILD_DIR)/$(TARGET).eep;\
 	else\
 		$(DFU_PROGRAMMER) $(MCU) flash-eeprom $(BUILD_DIR)/$(TARGET).eep;\
 	fi
diff --git a/tmk_core/chibios.mk b/tmk_core/chibios.mk
index 09aaddeef0..2bd53f0dc8 100644
--- a/tmk_core/chibios.mk
+++ b/tmk_core/chibios.mk
@@ -50,11 +50,42 @@ PLATFORM_MK = $(CHIBIOS_CONTRIB)/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)/$(PLAT
 endif
 include $(PLATFORM_MK)
 
+BOARD_MK :=
+
+ifneq ("$(wildcard $(KEYBOARD_PATH_5)/boards/$(BOARD)/board.mk)","")
+    BOARD_PATH = $(KEYBOARD_PATH_5)
+    BOARD_MK += $(KEYBOARD_PATH_5)/boards/$(BOARD)/board.mk
+else ifneq ("$(wildcard $(KEYBOARD_PATH_4)/boards/$(BOARD)/board.mk)","")
+    BOARD_PATH = $(KEYBOARD_PATH_4)
+    BOARD_MK += $(KEYBOARD_PATH_4)/boards/$(BOARD)/board.mk
+else ifneq ("$(wildcard $(KEYBOARD_PATH_3)/boards/$(BOARD)/board.mk)","")
+    BOARD_PATH = $(KEYBOARD_PATH_3)
+    BOARD_MK += $(KEYBOARD_PATH_3)/boards/$(BOARD)/board.mk
+else ifneq ("$(wildcard $(KEYBOARD_PATH_2)/boards/$(BOARD)/board.mk)","")
+    BOARD_PATH = $(KEYBOARD_PATH_2)
+    BOARD_MK += $(KEYBOARD_PATH_2)/boards/$(BOARD)/board.mk
+else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/boards/$(BOARD)/board.mk)","")
+    BOARD_PATH = $(KEYBOARD_PATH_1)
+    BOARD_MK += $(KEYBOARD_PATH_1)/boards/$(BOARD)/board.mk
+else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/$(BOARD)/board/board.mk)","")
+    BOARD_PATH = $(TOP_DIR)/platforms/chibios/$(BOARD)
+    BOARD_MK += $(TOP_DIR)/platforms/chibios/$(BOARD)/board/board.mk
+    KEYBOARD_PATHS += $(BOARD_PATH)/configs
+endif
+
+ifeq ("$(wildcard $(BOARD_MK))","")
+	BOARD_MK = $(CHIBIOS)/os/hal/boards/$(BOARD)/board.mk
+	ifeq ("$(wildcard $(BOARD_MK))","")
+		BOARD_MK = $(CHIBIOS_CONTRIB)/os/hal/boards/$(BOARD)/board.mk
+	endif
+endif
+
 # Bootloader address
 ifdef STM32_BOOTLOADER_ADDRESS
     OPT_DEFS += -DSTM32_BOOTLOADER_ADDRESS=$(STM32_BOOTLOADER_ADDRESS)
 endif
 
+# Work out if we need to set up the include for the bootloader definitions
 ifneq ("$(wildcard $(KEYBOARD_PATH_5)/bootloader_defs.h)","")
     OPT_DEFS += -include $(KEYBOARD_PATH_5)/bootloader_defs.h
 else ifneq ("$(wildcard $(KEYBOARD_PATH_5)/boards/$(BOARD)/bootloader_defs.h)","")
@@ -75,38 +106,52 @@ else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/bootloader_defs.h)","")
     OPT_DEFS += -include $(KEYBOARD_PATH_1)/bootloader_defs.h
 else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/boards/$(BOARD)/bootloader_defs.h)","")
     OPT_DEFS += -include $(KEYBOARD_PATH_1)/boards/$(BOARD)/bootloader_defs.h
-else ifneq ("$(wildcard $(TOP_DIR)/drivers/boards/$(BOARD)/bootloader_defs.h)","")
-    OPT_DEFS += -include $(TOP_DIR)/drivers/boards/$(BOARD)/bootloader_defs.h
+else ifneq ("$(wildcard $(BOARD_PATH)/configs/bootloader_defs.h)","")
+    OPT_DEFS += -include $(BOARD_PATH)/configs/bootloader_defs.h
 endif
 
-BOARD_MK :=
+# Work out the config file directories
+ifneq ("$(wildcard $(KEYBOARD_PATH_5)/chconf.h)","")
+    CHCONFDIR = $(KEYBOARD_PATH_5)
+else ifneq ("$(wildcard $(KEYBOARD_PATH_4)/chconf.h)","")
+    CHCONFDIR = $(KEYBOARD_PATH_4)
+else ifneq ("$(wildcard $(KEYBOARD_PATH_3)/chconf.h)","")
+    CHCONFDIR = $(KEYBOARD_PATH_3)
+else ifneq ("$(wildcard $(KEYBOARD_PATH_2)/chconf.h)","")
+    CHCONFDIR = $(KEYBOARD_PATH_2)
+else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/chconf.h)","")
+    CHCONFDIR = $(KEYBOARD_PATH_1)
+else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/$(BOARD)/configs/chconf.h)","")
+    CHCONFDIR = $(TOP_DIR)/platforms/chibios/$(BOARD)/configs
+endif
 
-ifneq ("$(wildcard $(KEYBOARD_PATH_5)/boards/$(BOARD)/board.mk)","")
-    BOARD_PATH = $(KEYBOARD_PATH_5)
-    BOARD_MK += $(KEYBOARD_PATH_5)/boards/$(BOARD)/board.mk
-else ifneq ("$(wildcard $(KEYBOARD_PATH_4)/boards/$(BOARD)/board.mk)","")
-    BOARD_PATH = $(KEYBOARD_PATH_4)
-    BOARD_MK += $(KEYBOARD_PATH_4)/boards/$(BOARD)/board.mk
-else ifneq ("$(wildcard $(KEYBOARD_PATH_3)/boards/$(BOARD)/board.mk)","")
-    BOARD_PATH = $(KEYBOARD_PATH_3)
-    BOARD_MK += $(KEYBOARD_PATH_3)/boards/$(BOARD)/board.mk
-else ifneq ("$(wildcard $(KEYBOARD_PATH_2)/boards/$(BOARD)/board.mk)","")
-    BOARD_PATH = $(KEYBOARD_PATH_2)
-    BOARD_MK += $(KEYBOARD_PATH_2)/boards/$(BOARD)/board.mk
-else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/boards/$(BOARD)/board.mk)","")
-    BOARD_PATH = $(KEYBOARD_PATH_1)
-    BOARD_MK += $(KEYBOARD_PATH_1)/boards/$(BOARD)/board.mk
-else ifneq ("$(wildcard $(TOP_DIR)/drivers/boards/$(BOARD)/board.mk)","")
-    BOARD_PATH = $(TOP_DIR)/drivers
-    BOARD_MK += $(TOP_DIR)/drivers/boards/$(BOARD)/board.mk
+ifneq ("$(wildcard $(KEYBOARD_PATH_5)/halconf.h)","")
+    HALCONFDIR = $(KEYBOARD_PATH_5)
+else ifneq ("$(wildcard $(KEYBOARD_PATH_4)/halconf.h)","")
+    HALCONFDIR = $(KEYBOARD_PATH_4)
+else ifneq ("$(wildcard $(KEYBOARD_PATH_3)/halconf.h)","")
+    HALCONFDIR = $(KEYBOARD_PATH_3)
+else ifneq ("$(wildcard $(KEYBOARD_PATH_2)/halconf.h)","")
+    HALCONFDIR = $(KEYBOARD_PATH_2)
+else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/halconf.h)","")
+    HALCONFDIR = $(KEYBOARD_PATH_1)
+else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/$(BOARD)/configs/halconf.h)","")
+    HALCONFDIR = $(TOP_DIR)/platforms/chibios/$(BOARD)/configs
 endif
 
-ifeq ("$(wildcard $(BOARD_MK))","")
-	BOARD_MK = $(CHIBIOS)/os/hal/boards/$(BOARD)/board.mk
-	ifeq ("$(wildcard $(BOARD_MK))","")
-		BOARD_MK = $(CHIBIOS_CONTRIB)/os/hal/boards/$(BOARD)/board.mk
-	endif
+# HAL-OSAL files (optional).
+include $(CHIBIOS)/os/hal/hal.mk
+
+ifeq ("$(PLATFORM_NAME)","")
+	PLATFORM_NAME = platform
+endif
+
+PLATFORM_MK = $(CHIBIOS)/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)/$(PLATFORM_NAME).mk
+ifeq ("$(wildcard $(PLATFORM_MK))","")
+PLATFORM_MK = $(CHIBIOS_CONTRIB)/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)/$(PLATFORM_NAME).mk
 endif
+include $(PLATFORM_MK)
+
 
 include $(BOARD_MK)
 -include $(CHIBIOS)/os/hal/osal/rt/osal.mk         # ChibiOS <= 19.x
@@ -138,8 +183,8 @@ else ifneq ("$(wildcard $(KEYBOARD_PATH_2)/ld/$(MCU_LDSCRIPT).ld)","")
     LDSCRIPT = $(KEYBOARD_PATH_2)/ld/$(MCU_LDSCRIPT).ld
 else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/ld/$(MCU_LDSCRIPT).ld)","")
     LDSCRIPT = $(KEYBOARD_PATH_1)/ld/$(MCU_LDSCRIPT).ld
-else ifneq ("$(wildcard $(TOP_DIR)/drivers/boards/ld/$(MCU_LDSCRIPT).ld)","")
-    LDSCRIPT = $(TOP_DIR)/drivers/boards/ld/$(MCU_LDSCRIPT).ld
+else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/ld/$(MCU_LDSCRIPT).ld)","")
+    LDSCRIPT = $(TOP_DIR)/platforms/chibios/ld/$(MCU_LDSCRIPT).ld
 else ifneq ("$(wildcard $(STARTUPLD_CONTRIB)/$(MCU_LDSCRIPT).ld)","")
     LDSCRIPT = $(STARTUPLD_CONTRIB)/$(MCU_LDSCRIPT).ld
     USE_CHIBIOS_CONTRIB = yes
@@ -163,6 +208,7 @@ QUANTUM_LIB_SRC += $(STARTUPASM) $(PORTASM) $(OSALASM)
 CHIBISRC := $(patsubst $(TOP_DIR)/%,%,$(CHIBISRC))
 
 EXTRAINCDIRS += $(CHIBIOS)/os/license $(CHIBIOS)/os/oslib/include \
+         $(TOP_DIR)/platforms/chibios/$(BOARD)/configs \
          $(STARTUPINC) $(KERNINC) $(PORTINC) $(OSALINC) \
          $(HALINC) $(PLATFORMINC) $(BOARDINC) $(TESTINC) \
          $(STREAMSINC) $(CHIBIOS)/os/various $(COMMON_VPATH)
@@ -182,6 +228,8 @@ else ifneq ("$(wildcard $(KEYBOARD_PATH_2)/halconf_community.h)","")
     USE_CHIBIOS_CONTRIB = yes
 else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/halconf_community.h)","")
     USE_CHIBIOS_CONTRIB = yes
+else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/$(BOARD)/configs/halconf_community.h)","")
+    USE_CHIBIOS_CONTRIB = yes
 endif
 
 ifeq ($(strip $(USE_CHIBIOS_CONTRIB)),yes)
@@ -194,6 +242,15 @@ endif
 # Project, sources and paths
 ##############################################################################
 
+##############################################################################
+# Injected configs
+#
+ifneq ("$(wildcard $(BOARD_PATH)/configs/config.h)","")
+    CONFIG_H += $(BOARD_PATH)/configs/config.h
+endif
+ifneq ("$(wildcard $(BOARD_PATH)/configs/post_config.h)","")
+    POST_CONFIG_H += $(BOARD_PATH)/configs/post_config.h
+endif
 
 ##############################################################################
 # Compiler settings
@@ -261,12 +318,14 @@ ifneq ("$(SERIAL)","")
 endif
 
 ST_LINK_ARGS ?=
+ST_FLASH_ARGS ?=
 
 # List any extra directories to look for libraries here.
 EXTRALIBDIRS = $(RULESPATH)/ld
 
 DFU_UTIL ?= dfu-util
 ST_LINK_CLI ?= st-link_cli
+ST_FLASH ?= st-flash
 
 define EXEC_DFU_UTIL
 	until $(DFU_UTIL) -l | grep -q "Found DFU"; do\
@@ -300,6 +359,9 @@ dfu-util-split-right: dfu-util
 st-link-cli: $(BUILD_DIR)/$(TARGET).hex sizeafter
 	$(ST_LINK_CLI) $(ST_LINK_ARGS) -q -c SWD -p $(BUILD_DIR)/$(TARGET).hex -Rst
 
+st-flash: $(BUILD_DIR)/$(TARGET).hex sizeafter
+	$(ST_FLASH) $(ST_FLASH_ARGS) --reset --format ihex write $(BUILD_DIR)/$(TARGET).hex
+
 
 # Autodetect teensy loader
 ifndef TEENSY_LOADER_CLI
@@ -324,7 +386,7 @@ bin: $(BUILD_DIR)/$(TARGET).bin sizeafter
 flash: $(BUILD_DIR)/$(TARGET).bin cpfirmware sizeafter
 ifneq ($(strip $(PROGRAM_CMD)),)
 	$(PROGRAM_CMD)
-else ifeq ($(strip $(BOOTLOADER)),dfu)
+else ifeq ($(strip $(BOOTLOADER)),kiibohd)
 	$(call EXEC_DFU_UTIL)
 else ifeq ($(strip $(MCU_FAMILY)),KINETIS)
 	$(call EXEC_TEENSY)
diff --git a/tmk_core/common.mk b/tmk_core/common.mk
index 63de7c7ede..fdf2aa0972 100644
--- a/tmk_core/common.mk
+++ b/tmk_core/common.mk
@@ -99,8 +99,16 @@ ifeq ($(strip $(COMMAND_ENABLE)), yes)
 endif
 
 ifeq ($(strip $(NKRO_ENABLE)), yes)
-    TMK_COMMON_DEFS += -DNKRO_ENABLE
-    SHARED_EP_ENABLE = yes
+    ifeq ($(PROTOCOL), VUSB)
+        $(info NKRO is not currently supported on V-USB, and has been disabled.)
+    else ifeq ($(strip $(BLUETOOTH_ENABLE)), yes)
+        $(info NKRO is not currently supported with Bluetooth, and has been disabled.)
+    else ifneq ($(BLUETOOTH),)
+        $(info NKRO is not currently supported with Bluetooth, and has been disabled.)
+    else
+        TMK_COMMON_DEFS += -DNKRO_ENABLE
+        SHARED_EP_ENABLE = yes
+    endif
 endif
 
 ifeq ($(strip $(USB_6KRO_ENABLE)), yes)
@@ -113,10 +121,6 @@ ifeq ($(strip $(SLEEP_LED_ENABLE)), yes)
     TMK_COMMON_DEFS += -DNO_SUSPEND_POWER_DOWN
 endif
 
-ifeq ($(strip $(NO_UART)), yes)
-    TMK_COMMON_DEFS += -DNO_UART
-endif
-
 ifeq ($(strip $(NO_SUSPEND_POWER_DOWN)), yes)
     TMK_COMMON_DEFS += -DNO_SUSPEND_POWER_DOWN
 endif
@@ -132,12 +136,6 @@ ifeq ($(strip $(BLUETOOTH)), AdafruitBLE)
 	TMK_COMMON_DEFS += -DNO_USB_STARTUP_CHECK
 endif
 
-ifeq ($(strip $(BLUETOOTH)), AdafruitEZKey)
-	TMK_COMMON_DEFS += -DBLUETOOTH_ENABLE
-	TMK_COMMON_DEFS += -DMODULE_ADAFRUIT_EZKEY
-    TMK_COMMON_DEFS += -DNO_USB_STARTUP_CHECK
-endif
-
 ifeq ($(strip $(BLUETOOTH)), RN42)
 	TMK_COMMON_DEFS += -DBLUETOOTH_ENABLE
 	TMK_COMMON_DEFS += -DMODULE_RN42
@@ -160,16 +158,15 @@ ifeq ($(strip $(SHARED_EP_ENABLE)), yes)
 endif
 
 ifeq ($(strip $(LTO_ENABLE)), yes)
-    LINK_TIME_OPTIMIZATION_ENABLE = yes
-endif
-
-ifeq ($(strip $(LINK_TIME_OPTIMIZATION_ENABLE)), yes)
     ifeq ($(PLATFORM),CHIBIOS)
         $(info Enabling LTO on ChibiOS-targeting boards is known to have a high likelihood of failure.)
-        $(info If unsure, set LINK_TIME_OPTIMIZATION_ENABLE = no.)
+        $(info If unsure, set LTO_ENABLE = no.)
     endif
     EXTRAFLAGS += -flto
-    TMK_COMMON_DEFS += -DLINK_TIME_OPTIMIZATION_ENABLE
+    TMK_COMMON_DEFS += -DLTO_ENABLE
+    TMK_COMMON_DEFS += -DLINK_TIME_OPTIMIZATON_ENABLE
+else ifdef LINK_TIME_OPTIMIZATION_ENABLE
+    $(error The LINK_TIME_OPTIMIZATION_ENABLE flag has been renamed to LTO_ENABLE.)
 endif
 
 # Search Path
diff --git a/tmk_core/common/action.h b/tmk_core/common/action.h
index c82c9c81be..345c030c94 100644
--- a/tmk_core/common/action.h
+++ b/tmk_core/common/action.h
@@ -29,7 +29,7 @@ extern "C" {
 #endif
 
 /* Disable macro and function features when LTO is enabled, since they break */
-#ifdef LINK_TIME_OPTIMIZATION_ENABLE
+#ifdef LTO_ENABLE
 #    ifndef NO_ACTION_MACRO
 #        define NO_ACTION_MACRO
 #    endif
diff --git a/tmk_core/common/action_layer.h b/tmk_core/common/action_layer.h
index 16922c1ff9..f9f6861120 100644
--- a/tmk_core/common/action_layer.h
+++ b/tmk_core/common/action_layer.h
@@ -82,9 +82,11 @@ void layer_on(uint8_t layer);
 void layer_off(uint8_t layer);
 void layer_invert(uint8_t layer);
 /* bitwise operation */
-void layer_or(layer_state_t state);
-void layer_and(layer_state_t state);
-void layer_xor(layer_state_t state);
+void          layer_or(layer_state_t state);
+void          layer_and(layer_state_t state);
+void          layer_xor(layer_state_t state);
+layer_state_t layer_state_set_user(layer_state_t state);
+layer_state_t layer_state_set_kb(layer_state_t state);
 #else
 #    define layer_state 0
 
@@ -101,11 +103,10 @@ void layer_xor(layer_state_t state);
 #    define layer_or(state) (void)state
 #    define layer_and(state) (void)state
 #    define layer_xor(state) (void)state
+#    define layer_state_set_kb(state) (void)state
+#    define layer_state_set_user(state) (void)state
 #endif
 
-layer_state_t layer_state_set_user(layer_state_t state);
-layer_state_t layer_state_set_kb(layer_state_t state);
-
 /* pressed actions cache */
 #if !defined(NO_ACTION_LAYER) && !defined(STRICT_LAYER_RELEASE)
 
diff --git a/tmk_core/common/bootmagic.c b/tmk_core/common/bootmagic.c
index bb2aa0db8c..c1b3adf94d 100644
--- a/tmk_core/common/bootmagic.c
+++ b/tmk_core/common/bootmagic.c
@@ -122,6 +122,8 @@ void bootmagic(void) {
         default_layer = eeconfig_read_default_layer();
         default_layer_set((layer_state_t)default_layer);
     }
+    /* Also initialize layer state to trigger callback functions for layer_state */
+    layer_state_set_kb((layer_state_t)layer_state);
 
     /* EE_HANDS handedness */
     if (bootmagic_scan_keycode(BOOTMAGIC_KEY_EE_HANDS_LEFT)) {
diff --git a/tmk_core/common/chibios/bootloader.c b/tmk_core/common/chibios/bootloader.c
index 4cf5dae7e6..7b2cf5c435 100644
--- a/tmk_core/common/chibios/bootloader.c
+++ b/tmk_core/common/chibios/bootloader.c
@@ -2,29 +2,67 @@
 
 #include "ch.h"
 #include "hal.h"
-
-#ifdef STM32_BOOTLOADER_ADDRESS
-/* STM32 */
+#include "wait.h"
 
 /* This code should be checked whether it runs correctly on platforms */
-#    define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0))
+#define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0))
+#define BOOTLOADER_MAGIC 0xDEADBEEF
+#define MAGIC_ADDR (unsigned long *)(SYMVAL(__ram0_end__) - 4)
+
+#ifndef STM32_BOOTLOADER_DUAL_BANK
+#    define STM32_BOOTLOADER_DUAL_BANK FALSE
+#endif
+
+#if STM32_BOOTLOADER_DUAL_BANK
+
+// Need pin definitions
+#    include "config_common.h"
+
+#    ifndef STM32_BOOTLOADER_DUAL_BANK_GPIO
+#        error "No STM32_BOOTLOADER_DUAL_BANK_GPIO defined, don't know which pin to toggle"
+#    endif
+
+#    ifndef STM32_BOOTLOADER_DUAL_BANK_POLARITY
+#        define STM32_BOOTLOADER_DUAL_BANK_POLARITY 0
+#    endif
+
+#    ifndef STM32_BOOTLOADER_DUAL_BANK_DELAY
+#        define STM32_BOOTLOADER_DUAL_BANK_DELAY 100000
+#    endif
+
+extern uint32_t __ram0_end__;
+
+void bootloader_jump(void) {
+    // For STM32 MCUs with dual-bank flash, and we're incapable of jumping to the bootloader. The first valid flash
+    // bank is executed unconditionally after a reset, so it doesn't enter DFU unless BOOT0 is high. Instead, we do
+    // it with hardware...in this case, we pull a GPIO high/low depending on the configuration, connects 3.3V to
+    // BOOT0's RC charging circuit, lets it charge the capacitor, and issue a system reset. See the QMK discord
+    // #hardware channel pins for an example circuit.
+    palSetPadMode(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_MODE_OUTPUT_PUSHPULL);
+#    if STM32_BOOTLOADER_DUAL_BANK_POLARITY
+    palSetPad(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO));
+#    else
+    palClearPad(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO));
+#    endif
+
+    // Wait for a while for the capacitor to charge
+    wait_ms(100);
+
+    // Issue a system reset to get the ROM bootloader to execute, with BOOT0 high
+    NVIC_SystemReset();
+}
+
+void enter_bootloader_mode_if_requested(void) {}  // not needed at all, but if anybody attempts to invoke it....
+
+#elif defined(STM32_BOOTLOADER_ADDRESS)  // STM32_BOOTLOADER_DUAL_BANK
+
 extern uint32_t __ram0_end__;
-#    define BOOTLOADER_MAGIC 0xDEADBEEF
-#    define MAGIC_ADDR (unsigned long *)(SYMVAL(__ram0_end__) - 4)
 
-/** \brief Jump to the bootloader
- *
- * FIXME: needs doc
- */
 void bootloader_jump(void) {
     *MAGIC_ADDR = BOOTLOADER_MAGIC;  // set magic flag => reset handler will jump into boot loader
     NVIC_SystemReset();
 }
 
-/** \brief Enter bootloader mode if requested
- *
- * FIXME: needs doc
- */
 void enter_bootloader_mode_if_requested(void) {
     unsigned long *check = MAGIC_ADDR;
     if (*check == BOOTLOADER_MAGIC) {
@@ -41,10 +79,10 @@ void enter_bootloader_mode_if_requested(void) {
     }
 }
 
-#elif defined(KL2x) || defined(K20x) /* STM32_BOOTLOADER_ADDRESS */
+#elif defined(KL2x) || defined(K20x)  // STM32_BOOTLOADER_DUAL_BANK // STM32_BOOTLOADER_ADDRESS
 /* Kinetis */
 
-#    if defined(KIIBOHD_BOOTLOADER)
+#    if defined(BOOTLOADER_KIIBOHD)
 /* Kiibohd Bootloader (MCHCK and Infinity KB) */
 #        define SCB_AIRCR_VECTKEY_WRITEMAGIC 0x05FA0000
 const uint8_t sys_reset_to_loader_magic[] = "\xff\x00\x7fRESET TO LOADER\x7f\x00\xff";
@@ -54,14 +92,14 @@ void          bootloader_jump(void) {
     SCB->AIRCR = SCB_AIRCR_VECTKEY_WRITEMAGIC | SCB_AIRCR_SYSRESETREQ_Msk;
 }
 
-#    else /* defined(KIIBOHD_BOOTLOADER) */
+#    else /* defined(BOOTLOADER_KIIBOHD) */
 /* Default for Kinetis - expecting an ARM Teensy */
 #        include "wait.h"
 void bootloader_jump(void) {
     wait_ms(100);
     __BKPT(0);
 }
-#    endif /* defined(KIIBOHD_BOOTLOADER) */
+#    endif /* defined(BOOTLOADER_KIIBOHD) */
 
 #else /* neither STM32 nor KINETIS */
 __attribute__((weak)) void bootloader_jump(void) {}
diff --git a/tmk_core/common/chibios/suspend.c b/tmk_core/common/chibios/suspend.c
index 8c071e7a08..64dfc05abc 100644
--- a/tmk_core/common/chibios/suspend.c
+++ b/tmk_core/common/chibios/suspend.c
@@ -9,6 +9,7 @@
 #include "mousekey.h"
 #include "host.h"
 #include "suspend.h"
+#include "led.h"
 #include "wait.h"
 
 #ifdef BACKLIGHT_ENABLE
@@ -47,6 +48,20 @@ __attribute__((weak)) void suspend_power_down_kb(void) { suspend_power_down_user
  * FIXME: needs doc
  */
 void suspend_power_down(void) {
+#ifdef BACKLIGHT_ENABLE
+    backlight_set(0);
+#endif
+
+    // Turn off LED indicators
+    uint8_t leds_off = 0;
+#if defined(BACKLIGHT_CAPS_LOCK) && defined(BACKLIGHT_ENABLE)
+    if (is_backlight_enabled()) {
+        // Don't try to turn off Caps Lock indicator as it is backlight and backlight is already off
+        leds_off |= (1 << USB_LED_CAPS_LOCK);
+    }
+#endif
+    led_set(leds_off);
+
     // TODO: figure out what to power down and how
     // shouldn't power down TPM/FTM if we want a breathing LED
     // also shouldn't power down USB
@@ -119,6 +134,7 @@ void suspend_wakeup_init(void) {
 #ifdef BACKLIGHT_ENABLE
     backlight_init();
 #endif /* BACKLIGHT_ENABLE */
+    led_set(host_keyboard_leds());
 #if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE)
     is_suspended = false;
     if (rgblight_enabled) {
diff --git a/tmk_core/common/command.c b/tmk_core/common/command.c
index ef6a39c0fe..feeb2202e2 100644
--- a/tmk_core/common/command.c
+++ b/tmk_core/common/command.c
@@ -180,7 +180,7 @@ static void print_version(void) {
 #ifdef NKRO_ENABLE
           " NKRO"
 #endif
-#ifdef LINK_TIME_OPTIMIZATION_ENABLE
+#ifdef LTO_ENABLE
           " LTO"
 #endif
 
diff --git a/tmk_core/common/keyboard.c b/tmk_core/common/keyboard.c
index 714c3d048f..a45af56dfd 100644
--- a/tmk_core/common/keyboard.c
+++ b/tmk_core/common/keyboard.c
@@ -74,6 +74,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #ifdef MIDI_ENABLE
 #    include "process_midi.h"
 #endif
+#ifdef JOYSTICK_ENABLE
+#    include "process_joystick.h"
+#endif
 #ifdef HD44780_ENABLE
 #    include "hd44780.h"
 #endif
@@ -420,6 +423,10 @@ MATRIX_LOOP_END:
     }
 #endif
 
+#ifdef JOYSTICK_ENABLE
+    joystick_task();
+#endif
+
     // update LED
     if (led_status != host_keyboard_leds()) {
         led_status = host_keyboard_leds();
diff --git a/tmk_core/common/magic.c b/tmk_core/common/magic.c
index d8ab525735..e14994164e 100644
--- a/tmk_core/common/magic.c
+++ b/tmk_core/common/magic.c
@@ -33,4 +33,7 @@ void magic(void) {
     uint8_t default_layer = 0;
     default_layer         = eeconfig_read_default_layer();
     default_layer_set((layer_state_t)default_layer);
+
+    /* Also initialize layer state to trigger callback functions for layer_state */
+    layer_state_set_kb((layer_state_t)layer_state);
 }
diff --git a/tmk_core/common/mousekey.c b/tmk_core/common/mousekey.c
index 42bf231f4c..ef18bcf1a8 100644
--- a/tmk_core/common/mousekey.c
+++ b/tmk_core/common/mousekey.c
@@ -33,9 +33,9 @@ inline int8_t times_inv_sqrt2(int8_t x) {
 
 static report_mouse_t mouse_report = {0};
 static void           mousekey_debug(void);
-static uint8_t        mousekey_accel  = 0;
-static uint8_t        mousekey_repeat = 0;
-static uint16_t       last_timer      = 0;
+static uint8_t        mousekey_accel        = 0;
+static uint8_t        mousekey_repeat       = 0;
+static uint8_t        mousekey_wheel_repeat = 0;
 
 #ifndef MK_3_SPEED
 
@@ -94,12 +94,12 @@ static uint8_t wheel_unit(void) {
         unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed) / 2;
     } else if (mousekey_accel & (1 << 2)) {
         unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed);
-    } else if (mousekey_repeat == 0) {
+    } else if (mousekey_wheel_repeat == 0) {
         unit = MOUSEKEY_WHEEL_DELTA;
-    } else if (mousekey_repeat >= mk_wheel_time_to_max) {
+    } else if (mousekey_wheel_repeat >= mk_wheel_time_to_max) {
         unit = MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed;
     } else {
-        unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed * mousekey_repeat) / mk_wheel_time_to_max;
+        unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed * mousekey_wheel_repeat) / mk_wheel_time_to_max;
     }
     return (unit > MOUSEKEY_WHEEL_MAX ? MOUSEKEY_WHEEL_MAX : (unit == 0 ? 1 : unit));
 }
@@ -147,14 +147,17 @@ static uint8_t wheel_unit(void) {
 void mousekey_task(void) {
     // report cursor and scroll movement independently
     report_mouse_t const tmpmr = mouse_report;
-    if ((mouse_report.x || mouse_report.y) && timer_elapsed(last_timer_c) > (mousekey_repeat ? mk_interval : mk_delay * 10)) {
+
+    mouse_report.x = 0;
+    mouse_report.y = 0;
+    mouse_report.v = 0;
+    mouse_report.h = 0;
+
+    if ((tmpmr.x || tmpmr.y) && timer_elapsed(last_timer_c) > (mousekey_repeat ? mk_interval : mk_delay * 10)) {
         if (mousekey_repeat != UINT8_MAX) mousekey_repeat++;
-        mouse_report.v = 0;
-        mouse_report.h = 0;
-        if (mouse_report.x > 0) mouse_report.x = move_unit();
-        if (mouse_report.x < 0) mouse_report.x = move_unit() * -1;
-        if (mouse_report.y > 0) mouse_report.y = move_unit();
-        if (mouse_report.y < 0) mouse_report.y = move_unit() * -1;
+        if (tmpmr.x != 0) mouse_report.x = move_unit() * ((tmpmr.x > 0) ? 1 : -1);
+        if (tmpmr.y != 0) mouse_report.y = move_unit() * ((tmpmr.y > 0) ? 1 : -1);
+
         /* diagonal move [1/sqrt(2)] */
         if (mouse_report.x && mouse_report.y) {
             mouse_report.x = times_inv_sqrt2(mouse_report.x);
@@ -166,18 +169,12 @@ void mousekey_task(void) {
                 mouse_report.y = 1;
             }
         }