Kiibohd bootloader, take 2 (#10129)

bootloader.mk

@@ -27,6 +27,7 @@
 # qmk-dfu        QMK DFU (LUFA + blinkenlight)
 # bootloadHID    HIDBootFlash compatible (ATmega32A)
 # USBasp         USBaspLoader (ATmega328P)
+# kiibohd        Input:Club Kiibohd bootloader (only used on their boards)
 #
 # BOOTLOADER_SIZE can still be defined manually, but it's recommended
 # you add any possible configuration to this list
@@ -89,7 +90,19 @@ ifeq ($(strip $(BOOTLOADER)), lufa-ms)
     BOOTLOADER_SIZE = 6144
     FIRMWARE_FORMAT = bin
 endif
-
 ifdef BOOTLOADER_SIZE
     OPT_DEFS += -DBOOTLOADER_SIZE=$(strip $(BOOTLOADER_SIZE))
 endif
+
+ifeq ($(strip $(BOOTLOADER)), kiibohd)
+    OPT_DEFS += -DBOOTLOADER_KIIBOHD
+    ifeq ($(strip $(MCU_ORIG)), MK20DX128)
+        MCU_LDSCRIPT = MK20DX128BLDR4
+    endif
+    ifeq ($(strip $(MCU_ORIG)), MK20DX256)
+        MCU_LDSCRIPT = MK20DX256BLDR8
+    endif
+
+    DFU_ARGS = -d 1C11:B007
+    DFU_SUFFIX_ARGS = -v 1C11 -p B007
+endif

quantum/mcu_selection.mk

@@ -1,3 +1,5 @@
+MCU_ORIG := $(MCU)
+
 ifneq ($(findstring MKL26Z64, $(MCU)),)
   # Cortex version
   MCU = cortex-m0plus

tmk_core/chibios.mk

@@ -386,7 +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)

tmk_core/common/chibios/bootloader.c

@@ -82,7 +82,7 @@ void enter_bootloader_mode_if_requested(void) {
 #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";
@@ -92,14 +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) {}