Update to ChibiOS 20.3.4, support builds against trunk (#14208)

* Add support for building against ChibiOS svn/trunk.

* Swap to 21.6.x

* Update to latest branch revision as released version is broken.

* Updated configs.

* Conf updates.

* Updated ChibiOS

* Convert STM32L422 to actual L422 ChibiOS platform.

* Downgrade to 20.3.4 as ChibiOS 21.6.x is being aborted.

* Rollback L422-based boards.

2 files changed, 30 insertions, 6 deletions

diff --git a/tmk_core/chibios.mk b/tmk_core/chibios.mk
index 957a25922..6b298732c 100644
--- a/tmk_core/chibios.mk
+++ b/tmk_core/chibios.mk
@@ -42,6 +42,11 @@ ifeq ($(strip $(MCU)), risc-v)
     PLATFORM_MK = $(CHIBIOS_CONTRIB)/os/hal/ports/GD/GD32VF103/platform.mk
 else
     # ARM Support
+    CHIBIOS_PORT ?=
+    ifeq ("$(CHIBIOS_PORT)","")
+        CHIBIOS_PORT = ARMv$(ARMV)-M
+    endif
+
     # Startup files. Try a few different locations, for compability with old versions and
     # for things hardware in the contrib repository
     STARTUP_MK = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/startup_$(MCU_STARTUP).mk
@@ -52,15 +57,24 @@ else
         endif
     endif
 
-    # Compability with old version
-    PORT_V = $(CHIBIOS)/os/rt/ports/ARMCMx/compilers/GCC/mk/port_v$(ARMV)m.mk
+    # Port files. Try a few different locations, for compability with old versions and
+    # for things hardware in the contrib repository
+    PORT_V = $(CHIBIOS)/os/common/ports/$(CHIBIOS_PORT)/compilers/GCC/mk/port.mk
     ifeq ("$(wildcard $(PORT_V))","")
-        PORT_V = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/port_v$(ARMV)m.mk
+        PORT_V = $(CHIBIOS)/os/rt/ports/ARMCMx/compilers/GCC/mk/port_v$(ARMV)m.mk
+        ifeq ("$(wildcard $(PORT_V))","")
+            PORT_V = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/port_v$(ARMV)m.mk
+        endif
     endif
 
-    RULESPATH = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC
+    # Rules location. Try a few different locations, for compability with old versions and
+    # for things hardware in the contrib repository
+    RULESPATH = $(CHIBIOS)/os/common/ports/$(CHIBIOS_PORT)/compilers/GCC
     ifeq ("$(wildcard $(RULESPATH)/rules.mk)","")
-        RULESPATH = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC
+        RULESPATH = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC
+        ifeq ("$(wildcard $(RULESPATH)/rules.mk)","")
+            RULESPATH = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC
+        endif
     endif
 endif
 
diff --git a/tmk_core/protocol/chibios/usb_main.c b/tmk_core/protocol/chibios/usb_main.c
index 3b16a0ff7..a7db3e3ab 100644
--- a/tmk_core/protocol/chibios/usb_main.c
+++ b/tmk_core/protocol/chibios/usb_main.c
@@ -71,7 +71,12 @@ uint8_t                keyboard_protocol __attribute__((aligned(2))) = 1;
 uint8_t                keyboard_led_state                            = 0;
 volatile uint16_t      keyboard_idle_count                           = 0;
 static virtual_timer_t keyboard_idle_timer;
-static void            keyboard_idle_timer_cb(void *arg);
+
+#if CH_KERNEL_MAJOR >= 7
+static void keyboard_idle_timer_cb(struct ch_virtual_timer *, void *arg);
+#elif CH_KERNEL_MAJOR <= 6
+static void keyboard_idle_timer_cb(void *arg);
+#endif
 
 report_keyboard_t keyboard_report_sent = {{0}};
 #ifdef MOUSE_ENABLE
@@ -774,7 +779,12 @@ void kbd_sof_cb(USBDriver *usbp) { (void)usbp; }
 
 /* Idle requests timer code
  * callback (called from ISR, unlocked state) */
+#if CH_KERNEL_MAJOR >= 7
+static void keyboard_idle_timer_cb(struct ch_virtual_timer *timer, void *arg) {
+    (void)timer;
+#elif CH_KERNEL_MAJOR <= 6
 static void keyboard_idle_timer_cb(void *arg) {
+#endif
     USBDriver *usbp = (USBDriver *)arg;
 
     osalSysLockFromISR();