17 files changed, 275 insertions, 303 deletions

diff --git a/docs/chibios_upgrade_instructions.md b/docs/chibios_upgrade_instructions.md
index 40c2faafcf..b0a71142a3 100644
--- a/docs/chibios_upgrade_instructions.md
+++ b/docs/chibios_upgrade_instructions.md
@@ -14,10 +14,10 @@ ChibiOS and ChibiOS-Contrib need to be updated in tandem -- the latter has a bra
     * First time around this will take several hours
     * Subsequent updates will be incremental only
 * Tagging example (work out which version first!):
-    * `git tag -a ver20.3.3 -m ver20.3.3 svn/tags/ver20.3.3`
-    * `git push qmk ver20.3.3`
-    * `git tag -a breaking_YYYY_qN -m breaking_YYYY_qN svn/tags/ver20.3.3`
-    * `git push qmk breaking_YYYY_qN`
+    * `git tag -a ver20.3.4 -m ver20.3.4 svn/tags/ver20.3.4`
+    * `git push qmk ver20.3.4`
+    * `git tag -a develop_YYYY_qN -m develop_YYYY_qN svn/tags/ver20.3.4`
+    * `git push qmk develop_YYYY_qN`
 
 ## Getting ChibiOS-Contrib
 
@@ -30,8 +30,8 @@ ChibiOS and ChibiOS-Contrib need to be updated in tandem -- the latter has a bra
     * `git checkout chibios-20.3.x`
     * `git pull --ff-only`
     * `git push origin chibios-20.3.x`
-    * `git tag -a breaking_YYYY_qN -m breaking_YYYY_qN chibios-20.3.x`
-    * `git push origin breaking_YYYY_qN`
+    * `git tag -a develop_YYYY_qN -m develop_YYYY_qN chibios-20.3.x`
+    * `git push origin develop_YYYY_qN`
 
 ## Updating submodules
 
@@ -42,15 +42,18 @@ ChibiOS and ChibiOS-Contrib need to be updated in tandem -- the latter has a bra
     * `git checkout -b chibios-version-bump`
     * `cd lib/chibios`
     * `git fetch --all --tags --prune`
-    * `git checkout breaking_YYYY_qN`
+    * `git checkout develop_YYYY_qN`
     * `cd ../chibios-contrib`
     * `git fetch --all --tags --prune`
-    * `git checkout breaking_YYYY_qN`
+    * `git checkout develop_YYYY_qN`
+* Update ChibiOS configs within QMK
+    * `cd $QMK_FIRMWARE`
+    * `./util/chibios_conf_updater.sh`
 * Build everything
     * `cd $QMK_FIRMWARE`
     * `qmk multibuild -j4`
     * Make sure there are no errors
 * Push to the repo
-    * `git commit -am 'Update ChibiOS to XXXXXXXXX'`
+    * `git commit -am 'Update ChibiOS to 99.9.9'`
     * `git push --set-upstream origin chibios-version-bump`
-* Make a PR to qmk_firmware with the new branch
\ No newline at end of file
+* Make a PR to qmk_firmware with the new branch
diff --git a/keyboards/matrix/m20add/mcuconf.h b/keyboards/matrix/m20add/mcuconf.h
index 54a1f26613..00216f6908 100644
--- a/keyboards/matrix/m20add/mcuconf.h
+++ b/keyboards/matrix/m20add/mcuconf.h
@@ -1,5 +1,5 @@
 /*
-    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+    ChibiOS - Copyright (C) 2006..2020 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.
@@ -32,11 +32,15 @@
  */
 
 #define STM32F4xx_MCUCONF
+#define STM32F411_MCUCONF
 
 /*
  * HAL driver system settings.
  */
 #define STM32_NO_INIT                       FALSE
+#define STM32_PVD_ENABLE                    FALSE
+#define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 #define STM32_HSI_ENABLED                   TRUE
 #define STM32_LSI_ENABLED                   TRUE
 #define STM32_HSE_ENABLED                   TRUE
@@ -60,9 +64,6 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_PVD_ENABLE                    FALSE
-#define STM32_PLS                           STM32_PLS_LEV0
-#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * IRQ system settings.
@@ -82,6 +83,19 @@
 #define STM32_IRQ_EXTI21_PRIORITY           15
 #define STM32_IRQ_EXTI22_PRIORITY           15
 
+#define STM32_IRQ_TIM1_BRK_TIM9_PRIORITY    7
+#define STM32_IRQ_TIM1_UP_TIM10_PRIORITY    7
+#define STM32_IRQ_TIM1_TRGCO_TIM11_PRIORITY 7
+#define STM32_IRQ_TIM1_CC_PRIORITY          7
+#define STM32_IRQ_TIM2_PRIORITY             7
+#define STM32_IRQ_TIM3_PRIORITY             7
+#define STM32_IRQ_TIM4_PRIORITY             7
+#define STM32_IRQ_TIM5_PRIORITY             7
+
+#define STM32_IRQ_USART1_PRIORITY           12
+#define STM32_IRQ_USART2_PRIORITY           12
+#define STM32_IRQ_USART6_PRIORITY           12
+
 /*
  * ADC driver system settings.
  */
@@ -101,14 +115,8 @@
 #define STM32_GPT_USE_TIM4                  TRUE
 #define STM32_GPT_USE_TIM5                  FALSE
 #define STM32_GPT_USE_TIM9                  FALSE
+#define STM32_GPT_USE_TIM10                 FALSE
 #define STM32_GPT_USE_TIM11                 FALSE
-#define STM32_GPT_TIM1_IRQ_PRIORITY         7
-#define STM32_GPT_TIM2_IRQ_PRIORITY         7
-#define STM32_GPT_TIM3_IRQ_PRIORITY         7
-#define STM32_GPT_TIM4_IRQ_PRIORITY         7
-#define STM32_GPT_TIM5_IRQ_PRIORITY         7
-#define STM32_GPT_TIM9_IRQ_PRIORITY         7
-#define STM32_GPT_TIM11_IRQ_PRIORITY        7
 
 /*
  * I2C driver system settings.
@@ -155,29 +163,28 @@
 #define STM32_ICU_USE_TIM4                  FALSE
 #define STM32_ICU_USE_TIM5                  FALSE
 #define STM32_ICU_USE_TIM9                  FALSE
-#define STM32_ICU_TIM1_IRQ_PRIORITY         7
-#define STM32_ICU_TIM2_IRQ_PRIORITY         7
-#define STM32_ICU_TIM3_IRQ_PRIORITY         7
-#define STM32_ICU_TIM4_IRQ_PRIORITY         7
-#define STM32_ICU_TIM5_IRQ_PRIORITY         7
-#define STM32_ICU_TIM9_IRQ_PRIORITY         7
+#define STM32_ICU_USE_TIM10                 FALSE
+#define STM32_ICU_USE_TIM11                 FALSE
 
 /*
  * PWM driver system settings.
  */
-#define STM32_PWM_USE_ADVANCED              FALSE
 #define STM32_PWM_USE_TIM1                  FALSE
 #define STM32_PWM_USE_TIM2                  FALSE
 #define STM32_PWM_USE_TIM3                  FALSE
 #define STM32_PWM_USE_TIM4                  FALSE
 #define STM32_PWM_USE_TIM5                  FALSE
 #define STM32_PWM_USE_TIM9                  FALSE
-#define STM32_PWM_TIM1_IRQ_PRIORITY         7
-#define STM32_PWM_TIM2_IRQ_PRIORITY         7
-#define STM32_PWM_TIM3_IRQ_PRIORITY         7
-#define STM32_PWM_TIM4_IRQ_PRIORITY         7
-#define STM32_PWM_TIM5_IRQ_PRIORITY         7
-#define STM32_PWM_TIM9_IRQ_PRIORITY         7
+#define STM32_PWM_USE_TIM10                 FALSE
+#define STM32_PWM_USE_TIM11                 FALSE
+
+/*
+ * RTC driver system settings.
+ */
+#define STM32_RTC_PRESA_VALUE               32
+#define STM32_RTC_PRESS_VALUE               1024
+#define STM32_RTC_CR_INIT                   0
+#define STM32_RTC_TAMPCR_INIT               0
 
 /*
  * SERIAL driver system settings.
@@ -185,9 +192,6 @@
 #define STM32_SERIAL_USE_USART1             FALSE
 #define STM32_SERIAL_USE_USART2             FALSE
 #define STM32_SERIAL_USE_USART6             FALSE
-#define STM32_SERIAL_USART1_PRIORITY        12
-#define STM32_SERIAL_USART2_PRIORITY        12
-#define STM32_SERIAL_USART6_PRIORITY        12
 
 /*
  * SPI driver system settings.
@@ -227,9 +231,6 @@
 #define STM32_UART_USART2_TX_DMA_STREAM     STM32_DMA_STREAM_ID(1, 6)
 #define STM32_UART_USART6_RX_DMA_STREAM     STM32_DMA_STREAM_ID(2, 2)
 #define STM32_UART_USART6_TX_DMA_STREAM     STM32_DMA_STREAM_ID(2, 7)
-#define STM32_UART_USART1_IRQ_PRIORITY      12
-#define STM32_UART_USART2_IRQ_PRIORITY      12
-#define STM32_UART_USART6_IRQ_PRIORITY      12
 #define STM32_UART_USART1_DMA_PRIORITY      0
 #define STM32_UART_USART2_DMA_PRIORITY      0
 #define STM32_UART_USART6_DMA_PRIORITY      0
@@ -241,9 +242,7 @@
 #define STM32_USB_USE_OTG1                  TRUE
 #define STM32_USB_OTG1_IRQ_PRIORITY         14
 #define STM32_USB_OTG1_RX_FIFO_SIZE         512
-#define STM32_USB_OTG_THREAD_PRIO           LOWPRIO
-#define STM32_USB_OTG_THREAD_STACK_SIZE     128
-#define STM32_USB_OTGFIFO_FILL_BASEPRI      0
+#define STM32_USB_HOST_WAKEUP_DURATION      2
 
 /*
  * WDG driver system settings.
diff --git a/keyboards/matrix/noah/mcuconf.h b/keyboards/matrix/noah/mcuconf.h
index 54a1f26613..00216f6908 100644
--- a/keyboards/matrix/noah/mcuconf.h
+++ b/keyboards/matrix/noah/mcuconf.h
@@ -1,5 +1,5 @@
 /*
-    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+    ChibiOS - Copyright (C) 2006..2020 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.
@@ -32,11 +32,15 @@
  */
 
 #define STM32F4xx_MCUCONF
+#define STM32F411_MCUCONF
 
 /*
  * HAL driver system settings.
  */
 #define STM32_NO_INIT                       FALSE
+#define STM32_PVD_ENABLE                    FALSE
+#define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 #define STM32_HSI_ENABLED                   TRUE
 #define STM32_LSI_ENABLED                   TRUE
 #define STM32_HSE_ENABLED                   TRUE
@@ -60,9 +64,6 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_PVD_ENABLE                    FALSE
-#define STM32_PLS                           STM32_PLS_LEV0
-#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * IRQ system settings.
@@ -82,6 +83,19 @@
 #define STM32_IRQ_EXTI21_PRIORITY           15
 #define STM32_IRQ_EXTI22_PRIORITY           15
 
+#define STM32_IRQ_TIM1_BRK_TIM9_PRIORITY    7
+#define STM32_IRQ_TIM1_UP_TIM10_PRIORITY    7
+#define STM32_IRQ_TIM1_TRGCO_TIM11_PRIORITY 7
+#define STM32_IRQ_TIM1_CC_PRIORITY          7
+#define STM32_IRQ_TIM2_PRIORITY             7
+#define STM32_IRQ_TIM3_PRIORITY             7
+#define STM32_IRQ_TIM4_PRIORITY             7
+#define STM32_IRQ_TIM5_PRIORITY             7
+
+#define STM32_IRQ_USART1_PRIORITY           12
+#define STM32_IRQ_USART2_PRIORITY           12
+#define STM32_IRQ_USART6_PRIORITY           12
+
 /*
  * ADC driver system settings.
  */
@@ -101,14 +115,8 @@
 #define STM32_GPT_USE_TIM4                  TRUE
 #define STM32_GPT_USE_TIM5                  FALSE
 #define STM32_GPT_USE_TIM9                  FALSE
+#define STM32_GPT_USE_TIM10                 FALSE
 #define STM32_GPT_USE_TIM11                 FALSE
-#define STM32_GPT_TIM1_IRQ_PRIORITY         7
-#define STM32_GPT_TIM2_IRQ_PRIORITY         7
-#define STM32_GPT_TIM3_IRQ_PRIORITY         7
-#define STM32_GPT_TIM4_IRQ_PRIORITY         7
-#define STM32_GPT_TIM5_IRQ_PRIORITY         7
-#define STM32_GPT_TIM9_IRQ_PRIORITY         7
-#define STM32_GPT_TIM11_IRQ_PRIORITY        7
 
 /*
  * I2C driver system settings.
@@ -155,29 +163,28 @@
 #define STM32_ICU_USE_TIM4                  FALSE
 #define STM32_ICU_USE_TIM5                  FALSE
 #define STM32_ICU_USE_TIM9                  FALSE
-#define STM32_ICU_TIM1_IRQ_PRIORITY         7
-#define STM32_ICU_TIM2_IRQ_PRIORITY         7
-#define STM32_ICU_TIM3_IRQ_PRIORITY         7
-#define STM32_ICU_TIM4_IRQ_PRIORITY         7
-#define STM32_ICU_TIM5_IRQ_PRIORITY         7
-#define STM32_ICU_TIM9_IRQ_PRIORITY         7
+#define STM32_ICU_USE_TIM10                 FALSE
+#define STM32_ICU_USE_TIM11                 FALSE
 
 /*
  * PWM driver system settings.
  */
-#define STM32_PWM_USE_ADVANCED              FALSE
 #define STM32_PWM_USE_TIM1                  FALSE
 #define STM32_PWM_USE_TIM2                  FALSE
 #define STM32_PWM_USE_TIM3                  FALSE
 #define STM32_PWM_USE_TIM4                  FALSE
 #define STM32_PWM_USE_TIM5                  FALSE
 #define STM32_PWM_USE_TIM9                  FALSE
-#define STM32_PWM_TIM1_IRQ_PRIORITY         7
-#define STM32_PWM_TIM2_IRQ_PRIORITY         7
-#define STM32_PWM_TIM3_IRQ_PRIORITY         7
-#define STM32_PWM_TIM4_IRQ_PRIORITY         7
-#define STM32_PWM_TIM5_IRQ_PRIORITY         7
-#define STM32_PWM_TIM9_IRQ_PRIORITY         7
+#define STM32_PWM_USE_TIM10                 FALSE
+#define STM32_PWM_USE_TIM11                 FALSE
+
+/*
+ * RTC driver system settings.
+ */
+#define STM32_RTC_PRESA_VALUE               32
+#define STM32_RTC_PRESS_VALUE               1024
+#define STM32_RTC_CR_INIT                   0
+#define STM32_RTC_TAMPCR_INIT               0
 
 /*
  * SERIAL driver system settings.
@@ -185,9 +192,6 @@
 #define STM32_SERIAL_USE_USART1             FALSE
 #define STM32_SERIAL_USE_USART2             FALSE
 #define STM32_SERIAL_USE_USART6             FALSE
-#define STM32_SERIAL_USART1_PRIORITY        12
-#define STM32_SERIAL_USART2_PRIORITY        12
-#define STM32_SERIAL_USART6_PRIORITY        12
 
 /*
  * SPI driver system settings.
@@ -227,9 +231,6 @@
 #define STM32_UART_USART2_TX_DMA_STREAM     STM32_DMA_STREAM_ID(1, 6)
 #define STM32_UART_USART6_RX_DMA_STREAM     STM32_DMA_STREAM_ID(2, 2)
 #define STM32_UART_USART6_TX_DMA_STREAM     STM32_DMA_STREAM_ID(2, 7)
-#define STM32_UART_USART1_IRQ_PRIORITY      12
-#define STM32_UART_USART2_IRQ_PRIORITY      12
-#define STM32_UART_USART6_IRQ_PRIORITY      12
 #define STM32_UART_USART1_DMA_PRIORITY      0
 #define STM32_UART_USART2_DMA_PRIORITY      0
 #define STM32_UART_USART6_DMA_PRIORITY      0
@@ -241,9 +242,7 @@
 #define STM32_USB_USE_OTG1                  TRUE
 #define STM32_USB_OTG1_IRQ_PRIORITY         14
 #define STM32_USB_OTG1_RX_FIFO_SIZE         512
-#define STM32_USB_OTG_THREAD_PRIO           LOWPRIO
-#define STM32_USB_OTG_THREAD_STACK_SIZE     128
-#define STM32_USB_OTGFIFO_FILL_BASEPRI      0
+#define STM32_USB_HOST_WAKEUP_DURATION      2
 
 /*
  * WDG driver system settings.
diff --git a/lib/chibios b/lib/chibios
-Subproject 413e39c5681d181720440f2a8b7391f581788d7
+Subproject d7b9d1c87f724bd7c8cd1486d6d0dc3ba52e0d5
diff --git a/platforms/chibios/boards/BLACKPILL_STM32_F401/configs/mcuconf.h b/platforms/chibios/boards/BLACKPILL_STM32_F401/configs/mcuconf.h
index ba6e934fe7..a21fd7bd12 100644
--- a/platforms/chibios/boards/BLACKPILL_STM32_F401/configs/mcuconf.h
+++ b/platforms/chibios/boards/BLACKPILL_STM32_F401/configs/mcuconf.h
@@ -1,5 +1,5 @@
 /*
-    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+    ChibiOS - Copyright (C) 2006..2020 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.
@@ -32,11 +32,15 @@
  */
 
 #define STM32F4xx_MCUCONF
+#define STM32F401_MCUCONF
 
 /*
  * HAL driver system settings.
  */
 #define STM32_NO_INIT                       FALSE
+#define STM32_PVD_ENABLE                    FALSE
+#define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 #define STM32_HSI_ENABLED                   TRUE
 #define STM32_LSI_ENABLED                   TRUE
 #define STM32_HSE_ENABLED                   TRUE
@@ -44,13 +48,13 @@
 #define STM32_CLOCK48_REQUIRED              TRUE
 #define STM32_SW                            STM32_SW_PLL
 #define STM32_PLLSRC                        STM32_PLLSRC_HSE
-#define STM32_PLLM_VALUE                    25       
-#define STM32_PLLN_VALUE                    336     
-#define STM32_PLLP_VALUE                    4       
-#define STM32_PLLQ_VALUE                    7       
-#define STM32_HPRE                          STM32_HPRE_DIV1  
-#define STM32_PPRE1                         STM32_PPRE1_DIV4  
-#define STM32_PPRE2                         STM32_PPRE2_DIV2 
+#define STM32_PLLM_VALUE                    25
+#define STM32_PLLN_VALUE                    336
+#define STM32_PLLP_VALUE                    4
+#define STM32_PLLQ_VALUE                    7
+#define STM32_HPRE                          STM32_HPRE_DIV1
+#define STM32_PPRE1                         STM32_PPRE1_DIV4
+#define STM32_PPRE2                         STM32_PPRE2_DIV2
 #define STM32_RTCSEL                        STM32_RTCSEL_LSI
 #define STM32_RTCPRE_VALUE                  8
 #define STM32_MCO1SEL                       STM32_MCO1SEL_HSI
@@ -60,9 +64,6 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_PVD_ENABLE                    FALSE
-#define STM32_PLS                           STM32_PLS_LEV0
-#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * IRQ system settings.
@@ -82,6 +83,19 @@
 #define STM32_IRQ_EXTI21_PRIORITY           15
 #define STM32_IRQ_EXTI22_PRIORITY           15
 
+#define STM32_IRQ_TIM1_BRK_TIM9_PRIORITY    7
+#define STM32_IRQ_TIM1_UP_TIM10_PRIORITY    7
+#define STM32_IRQ_TIM1_TRGCO_TIM11_PRIORITY 7
+#define STM32_IRQ_TIM1_CC_PRIORITY          7
+#define STM32_IRQ_TIM2_PRIORITY             7
+#define STM32_IRQ_TIM3_PRIORITY             7
+#define STM32_IRQ_TIM4_PRIORITY             7
+#define STM32_IRQ_TIM5_PRIORITY             7
+
+#define STM32_IRQ_USART1_PRIORITY           12
+#define STM32_IRQ_USART2_PRIORITY           12
+#define STM32_IRQ_USART6_PRIORITY           12
+
 /*
  * ADC driver system settings.
  */
@@ -101,14 +115,8 @@
 #define STM32_GPT_USE_TIM4                  FALSE
 #define STM32_GPT_USE_TIM5                  FALSE
 #define STM32_GPT_USE_TIM9                  FALSE
+#define STM32_GPT_USE_TIM10                 FALSE
 #define STM32_GPT_USE_TIM11                 FALSE
-#define STM32_GPT_TIM1_IRQ_PRIORITY         7
-#define STM32_GPT_TIM2_IRQ_PRIORITY         7
-#define STM32_GPT_TIM3_IRQ_PRIORITY         7
-#define STM32_GPT_TIM4_IRQ_PRIORITY         7
-#define STM32_GPT_TIM5_IRQ_PRIORITY         7
-#define STM32_GPT_TIM9_IRQ_PRIORITY         7
-#define STM32_GPT_TIM11_IRQ_PRIORITY        7
 
 /*
  * I2C driver system settings.
@@ -155,29 +163,20 @@
 #define STM32_ICU_USE_TIM4                  FALSE
 #define STM32_ICU_USE_TIM5                  FALSE
 #define STM32_ICU_USE_TIM9                  FALSE
-#define STM32_ICU_TIM1_IRQ_PRIORITY         7
-#define STM32_ICU_TIM2_IRQ_PRIORITY         7
-#define STM32_ICU_TIM3_IRQ_PRIORITY         7
-#define STM32_ICU_TIM4_IRQ_PRIORITY         7
-#define STM32_ICU_TIM5_IRQ_PRIORITY         7
-#define STM32_ICU_TIM9_IRQ_PRIORITY         7
+#define STM32_ICU_USE_TIM10                 FALSE
+#define STM32_ICU_USE_TIM11                 FALSE
 
 /*
  * PWM driver system settings.
  */
-#define STM32_PWM_USE_ADVANCED              FALSE
 #define STM32_PWM_USE_TIM1                  FALSE
 #define STM32_PWM_USE_TIM2                  FALSE
 #define STM32_PWM_USE_TIM3                  FALSE
 #define STM32_PWM_USE_TIM4                  FALSE
 #define STM32_PWM_USE_TIM5                  FALSE
 #define STM32_PWM_USE_TIM9                  FALSE
-#define STM32_PWM_TIM1_IRQ_PRIORITY         7
-#define STM32_PWM_TIM2_IRQ_PRIORITY         7
-#define STM32_PWM_TIM3_IRQ_PRIORITY         7
-#define STM32_PWM_TIM4_IRQ_PRIORITY         7
-#define STM32_PWM_TIM5_IRQ_PRIORITY         7
-#define STM32_PWM_TIM9_IRQ_PRIORITY         7
+#define STM32_PWM_USE_TIM10                 FALSE
+#define STM32_PWM_USE_TIM11                 FALSE
 
 /*
  * SERIAL driver system settings.
@@ -185,9 +184,6 @@
 #define STM32_SERIAL_USE_USART1             FALSE
 #define STM32_SERIAL_USE_USART2             FALSE
 #define STM32_SERIAL_USE_USART6             FALSE
-#define STM32_SERIAL_USART1_PRIORITY        12
-#define STM32_SERIAL_USART2_PRIORITY        12
-#define STM32_SERIAL_USART6_PRIORITY        12
 
 /*
  * SPI driver system settings.
@@ -227,9 +223,6 @@
 #define STM32_UART_USART2_TX_DMA_STREAM     STM32_DMA_STREAM_ID(1, 6)
 #define STM32_UART_USART6_RX_DMA_STREAM     STM32_DMA_STREAM_ID(2, 2)
 #define STM32_UART_USART6_TX_DMA_STREAM     STM32_DMA_STREAM_ID(2, 7)
-#define STM32_UART_USART1_IRQ_PRIORITY      12
-#define STM32_UART_USART2_IRQ_PRIORITY      12
-#define STM32_UART_USART6_IRQ_PRIORITY      12
 #define STM32_UART_USART1_DMA_PRIORITY      0
 #define STM32_UART_USART2_DMA_PRIORITY      0
 #define STM32_UART_USART6_DMA_PRIORITY      0
@@ -241,9 +234,7 @@
 #define STM32_USB_USE_OTG1                  TRUE
 #define STM32_USB_OTG1_IRQ_PRIORITY         14
 #define STM32_USB_OTG1_RX_FIFO_SIZE         512
-#define STM32_USB_OTG_THREAD_PRIO           NORMALPRIO+1
-#define STM32_USB_OTG_THREAD_STACK_SIZE     128
-#define STM32_USB_OTGFIFO_FILL_BASEPRI      0
+#define STM32_USB_HOST_WAKEUP_DURATION      2
 
 /*
  * WDG driver system settings.
diff --git a/platforms/chibios/boards/BLACKPILL_STM32_F411/configs/mcuconf.h b/platforms/chibios/boards/BLACKPILL_STM32_F411/configs/mcuconf.h
index 0394ff56bb..131c847661 100644
--- a/platforms/chibios/boards/BLACKPILL_STM32_F411/configs/mcuconf.h
+++ b/platforms/chibios/boards/BLACKPILL_STM32_F411/configs/mcuconf.h
@@ -1,5 +1,5 @@
 /*
-    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+    ChibiOS - Copyright (C) 2006..2020 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.
@@ -32,11 +32,15 @@
  */
 
 #define STM32F4xx_MCUCONF
+#define STM32F411_MCUCONF
 
 /*
  * HAL driver system settings.
  */
 #define STM32_NO_INIT                       FALSE
+#define STM32_PVD_ENABLE                    FALSE
+#define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 #define STM32_HSI_ENABLED                   TRUE
 #define STM32_LSI_ENABLED                   TRUE
 #define STM32_HSE_ENABLED                   TRUE
@@ -60,9 +64,6 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_PVD_ENABLE                    FALSE
-#define STM32_PLS                           STM32_PLS_LEV0
-#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * IRQ system settings.
@@ -82,6 +83,19 @@
 #define STM32_IRQ_EXTI21_PRIORITY           15
 #define STM32_IRQ_EXTI22_PRIORITY           15
 
+#define STM32_IRQ_TIM1_BRK_TIM9_PRIORITY    7
+#define STM32_IRQ_TIM1_UP_TIM10_PRIORITY    7
+#define STM32_IRQ_TIM1_TRGCO_TIM11_PRIORITY 7
+#define STM32_IRQ_TIM1_CC_PRIORITY          7
+#define STM32_IRQ_TIM2_PRIORITY             7
+#define STM32_IRQ_TIM3_PRIORITY             7
+#define STM32_IRQ_TIM4_PRIORITY             7
+#define STM32_IRQ_TIM5_PRIORITY             7
+
+#define STM32_IRQ_USART1_PRIORITY           12
+#define STM32_IRQ_USART2_PRIORITY           12
+#define STM32_IRQ_USART6_PRIORITY           12
+
 /*
  * ADC driver system settings.
  */
@@ -101,14 +115,8 @@
 #define STM32_GPT_USE_TIM4                  FALSE
 #define STM32_GPT_USE_TIM5                  FALSE
 #define STM32_GPT_USE_TIM9                  FALSE
+#define STM32_GPT_USE_TIM10                 FALSE
 #define STM32_GPT_USE_TIM11                 FALSE
-#define STM32_GPT_TIM1_IRQ_PRIORITY         7
-#define STM32_GPT_TIM2_IRQ_PRIORITY         7
-#define STM32_GPT_TIM3_IRQ_PRIORITY         7
-#define STM32_GPT_TIM4_IRQ_PRIORITY         7
-#define STM32_GPT_TIM5_IRQ_PRIORITY         7
-#define STM32_GPT_TIM9_IRQ_PRIORITY         7
-#define STM32_GPT_TIM11_IRQ_PRIORITY        7
 
 /*
  * I2C driver system settings.
@@ -155,29 +163,28 @@
 #define STM32_ICU_USE_TIM4                  FALSE
 #define STM32_ICU_USE_TIM5                  FALSE
 #define STM32_ICU_USE_TIM9                  FALSE
-#define STM32_ICU_TIM1_IRQ_PRIORITY         7
-#define STM32_ICU_TIM2_IRQ_PRIORITY         7
-#define STM32_ICU_TIM3_IRQ_PRIORITY         7
-#define STM32_ICU_TIM4_IRQ_PRIORITY         7
-#define STM32_ICU_TIM5_IRQ_PRIORITY         7
-#define STM32_ICU_TIM9_IRQ_PRIORITY         7
+#define STM32_ICU_USE_TIM10                 FALSE
+#define STM32_ICU_USE_TIM11                 FALSE
 
 /*
  * PWM driver system settings.
  */
-#define STM32_PWM_USE_ADVANCED              FALSE
 #define STM32_PWM_USE_TIM1                  FALSE
 #define STM32_PWM_USE_TIM2                  FALSE
 #define STM32_PWM_USE_TIM3                  FALSE
 #define STM32_PWM_USE_TIM4                  FALSE
 #define STM32_PWM_USE_TIM5                  FALSE
 #define STM32_PWM_USE_TIM9                  FALSE
-#define STM32_PWM_TIM1_IRQ_PRIORITY         7
-#define STM32_PWM_TIM2_IRQ_PRIORITY         7
-#define STM32_PWM_TIM3_IRQ_PRIORITY         7
-#define STM32_PWM_TIM4_IRQ_PRIORITY         7
-#define STM32_PWM_TIM5_IRQ_PRIORITY         7
-#define STM32_PWM_TIM9_IRQ_PRIORITY         7
+#define STM32_PWM_USE_TIM10                 FALSE
+#define STM32_PWM_USE_TIM11                 FALSE
+
+/*
+ * RTC driver system settings.
+ */
+#define STM32_RTC_PRESA_VALUE               32
+#define STM32_RTC_PRESS_VALUE               1024
+#define STM32_RTC_CR_INIT                   0
+#define STM32_RTC_TAMPCR_INIT               0
 
 /*
  * SERIAL driver system settings.
@@ -185,9 +192,6 @@
 #define STM32_SERIAL_USE_USART1             FALSE
 #define STM32_SERIAL_USE_USART2             FALSE
 #define STM32_SERIAL_USE_USART6             FALSE
-#define STM32_SERIAL_USART1_PRIORITY        12
-#define STM32_SERIAL_USART2_PRIORITY        12
-#define STM32_SERIAL_USART6_PRIORITY        12
 
 /*
  * SPI driver system settings.
@@ -227,9 +231,6 @@
 #define STM32_UART_USART2_TX_DMA_STREAM     STM32_DMA_STREAM_ID(1, 6)
 #define STM32_UART_USART6_RX_DMA_STREAM     STM32_DMA_STREAM_ID(2, 2)
 #define STM32_UART_USART6_TX_DMA_STREAM     STM32_DMA_STREAM_ID(2, 7)
-#define STM32_UART_USART1_IRQ_PRIORITY      12
-#define STM32_UART_USART2_IRQ_PRIORITY      12
-#define STM32_UART_USART6_IRQ_PRIORITY      12
 #define STM32_UART_USART1_DMA_PRIORITY      0
 #define STM32_UART_USART2_DMA_PRIORITY      0
 #define STM32_UART_USART6_DMA_PRIORITY      0
@@ -241,9 +242,7 @@
 #define STM32_USB_USE_OTG1                  TRUE
 #define STM32_USB_OTG1_IRQ_PRIORITY         14
 #define STM32_USB_OTG1_RX_FIFO_SIZE         512
-#define STM32_USB_OTG_THREAD_PRIO           NORMALPRIO+1
-#define STM32_USB_OTG_THREAD_STACK_SIZE     128
-#define STM32_USB_OTGFIFO_FILL_BASEPRI      0
+#define STM32_USB_HOST_WAKEUP_DURATION      2
 
 /*
  * WDG driver system settings.
diff --git a/platforms/chibios/boards/GENERIC_STM32_F405XG/configs/mcuconf.h b/platforms/chibios/boards/GENERIC_STM32_F405XG/configs/mcuconf.h
index d2ec632d9f..908a580a91 100644
--- a/platforms/chibios/boards/GENERIC_STM32_F405XG/configs/mcuconf.h
+++ b/platforms/chibios/boards/GENERIC_STM32_F405XG/configs/mcuconf.h
@@ -344,9 +344,6 @@
 #define STM32_USB_OTG2_RX_FIFO_SIZE         1024
 #define STM32_USB_HOST_WAKEUP_DURATION      2
 
-#define STM32_USB_OTG_THREAD_PRIO           NORMALPRIO+1
-#define STM32_USB_OTG_THREAD_STACK_SIZE     128
-
 /*
  * WDG driver system settings.
  */
diff --git a/platforms/chibios/boards/GENERIC_STM32_F407XE/configs/mcuconf.h b/platforms/chibios/boards/GENERIC_STM32_F407XE/configs/mcuconf.h
index 4be47fe1b0..928ee56c71 100644
--- a/platforms/chibios/boards/GENERIC_STM32_F407XE/configs/mcuconf.h
+++ b/platforms/chibios/boards/GENERIC_STM32_F407XE/configs/mcuconf.h
@@ -344,9 +344,6 @@
 #define STM32_USB_OTG2_RX_FIFO_SIZE         1024
 #define STM32_USB_HOST_WAKEUP_DURATION      2
 
-#define STM32_USB_OTG_THREAD_PRIO           NORMALPRIO+1
-#define STM32_USB_OTG_THREAD_STACK_SIZE     128
-
 /*
  * WDG driver system settings.
  */
diff --git a/platforms/chibios/boards/GENERIC_STM32_F446XE/configs/mcuconf.h b/platforms/chibios/boards/GENERIC_STM32_F446XE/configs/mcuconf.h
index d2de75590e..566c146c25 100644
--- a/platforms/chibios/boards/GENERIC_STM32_F446XE/configs/mcuconf.h
+++ b/platforms/chibios/boards/GENERIC_STM32_F446XE/configs/mcuconf.h
@@ -1,5 +1,5 @@
 /*
-    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+    ChibiOS - Copyright (C) 2006..2020 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.
@@ -32,11 +32,15 @@
  */
 
 #define STM32F4xx_MCUCONF
+#define STM32F446_MCUCONF
 
 /*
  * HAL driver system settings.
  */
 #define STM32_NO_INIT                       FALSE
+#define STM32_PVD_ENABLE                    FALSE
+#define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 #define STM32_HSI_ENABLED                   FALSE
 #define STM32_LSI_ENABLED                   TRUE
 #define STM32_HSE_ENABLED                   TRUE
@@ -70,9 +74,6 @@
 #define STM32_SAI1SEL                       STM32_SAI2SEL_PLLR
 #define STM32_SAI2SEL                       STM32_SAI2SEL_PLLR
 #define STM32_CK48MSEL                      STM32_CK48MSEL_PLLALT
-#define STM32_PVD_ENABLE                    FALSE
-#define STM32_PLS                           STM32_PLS_LEV0
-#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * IRQ system settings.
@@ -92,6 +93,30 @@
 #define STM32_IRQ_EXTI21_PRIORITY           15
 #define STM32_IRQ_EXTI22_PRIORITY           15
 
+#define STM32_IRQ_TIM1_BRK_TIM9_PRIORITY    7
+#define STM32_IRQ_TIM1_UP_TIM10_PRIORITY    7
+#define STM32_IRQ_TIM1_TRGCO_TIM11_PRIORITY 7
+#define STM32_IRQ_TIM1_CC_PRIORITY          7
+#define STM32_IRQ_TIM2_PRIORITY             7
+#define STM32_IRQ_TIM3_PRIORITY             7
+#define STM32_IRQ_TIM4_PRIORITY             7
+#define STM32_IRQ_TIM5_PRIORITY             7
+#define STM32_IRQ_TIM6_PRIORITY             7
+#define STM32_IRQ_TIM7_PRIORITY             7
+#define STM32_IRQ_TIM8_BRK_TIM12_PRIORITY   7
+#define STM32_IRQ_TIM8_UP_TIM13_PRIORITY    7
+#define STM32_IRQ_TIM8_TRGCO_TIM14_PRIORITY 7
+#define STM32_IRQ_TIM8_CC_PRIORITY          7
+
+#define STM32_IRQ_USART1_PRIORITY           12
+#define STM32_IRQ_USART2_PRIORITY           12
+#define STM32_IRQ_USART3_PRIORITY           12
+#define STM32_IRQ_UART4_PRIORITY            12
+#define STM32_IRQ_UART5_PRIORITY            12
+#define STM32_IRQ_USART6_PRIORITY           12
+#define STM32_IRQ_UART7_PRIORITY            12
+#define STM32_IRQ_UART8_PRIORITY            12
+
 /*
  * ADC driver system settings.
  */
@@ -143,21 +168,11 @@
 #define STM32_GPT_USE_TIM7                  FALSE
 #define STM32_GPT_USE_TIM8                  FALSE
 #define STM32_GPT_USE_TIM9                  FALSE
+#define STM32_GPT_USE_TIM10                 FALSE
 #define STM32_GPT_USE_TIM11                 FALSE
 #define STM32_GPT_USE_TIM12                 FALSE
+#define STM32_GPT_USE_TIM13                 FALSE
 #define STM32_GPT_USE_TIM14                 FALSE
-#define STM32_GPT_TIM1_IRQ_PRIORITY         7
-#define STM32_GPT_TIM2_IRQ_PRIORITY         7
-#define STM32_GPT_TIM3_IRQ_PRIORITY         7
-#define STM32_GPT_TIM4_IRQ_PRIORITY         7
-#define STM32_GPT_TIM5_IRQ_PRIORITY         7
-#define STM32_GPT_TIM6_IRQ_PRIORITY         7
-#define STM32_GPT_TIM7_IRQ_PRIORITY         7
-#define STM32_GPT_TIM8_IRQ_PRIORITY         7
-#define STM32_GPT_TIM9_IRQ_PRIORITY         7
-#define STM32_GPT_TIM11_IRQ_PRIORITY        7
-#define STM32_GPT_TIM12_IRQ_PRIORITY        7
-#define STM32_GPT_TIM14_IRQ_PRIORITY        7
 
 /*
  * I2C driver system settings.
@@ -205,13 +220,11 @@
 #define STM32_ICU_USE_TIM5                  FALSE
 #define STM32_ICU_USE_TIM8                  FALSE
 #define STM32_ICU_USE_TIM9                  FALSE
-#define STM32_ICU_TIM1_IRQ_PRIORITY         7
-#define STM32_ICU_TIM2_IRQ_PRIORITY         7
-#define STM32_ICU_TIM3_IRQ_PRIORITY         7
-#define STM32_ICU_TIM4_IRQ_PRIORITY         7
-#define STM32_ICU_TIM5_IRQ_PRIORITY         7
-#define STM32_ICU_TIM8_IRQ_PRIORITY         7
-#define STM32_ICU_TIM9_IRQ_PRIORITY         7
+#define STM32_ICU_USE_TIM10                 FALSE
+#define STM32_ICU_USE_TIM11                 FALSE
+#define STM32_ICU_USE_TIM12                 FALSE
+#define STM32_ICU_USE_TIM13                 FALSE
+#define STM32_ICU_USE_TIM14                 FALSE
 
 /*
  * MAC driver system settings.
@@ -227,7 +240,6 @@
 /*
  * PWM driver system settings.
  */
-#define STM32_PWM_USE_ADVANCED              FALSE
 #define STM32_PWM_USE_TIM1                  FALSE
 #define STM32_PWM_USE_TIM2                  FALSE
 #define STM32_PWM_USE_TIM3                  FALSE
@@ -235,13 +247,19 @@
 #define STM32_PWM_USE_TIM5                  FALSE
 #define STM32_PWM_USE_TIM8                  FALSE
 #define STM32_PWM_USE_TIM9                  FALSE
-#define STM32_PWM_TIM1_IRQ_PRIORITY         7
-#define STM32_PWM_TIM2_IRQ_PRIORITY         7
-#define STM32_PWM_TIM3_IRQ_PRIORITY         7
-#define STM32_PWM_TIM4_IRQ_PRIORITY         7
-#define STM32_PWM_TIM5_IRQ_PRIORITY         7
-#define STM32_PWM_TIM8_IRQ_PRIORITY         7
-#define STM32_PWM_TIM9_IRQ_PRIORITY         7
+#define STM32_PWM_USE_TIM10                 FALSE
+#define STM32_PWM_USE_TIM11                 FALSE
+#define STM32_PWM_USE_TIM12                 FALSE
+#define STM32_PWM_USE_TIM13                 FALSE
+#define STM32_PWM_USE_TIM14                 FALSE
+
+/*
+ * RTC driver system settings.
+ */
+#define STM32_RTC_PRESA_VALUE               32
+#define STM32_RTC_PRESS_VALUE               1024
+#define STM32_RTC_CR_INIT                   0
+#define STM32_RTC_TAMPCR_INIT               0
 
 /*
  * SDC driver system settings.
@@ -265,14 +283,6 @@
 #define STM32_SERIAL_USE_USART6             FALSE
 #define STM32_SERIAL_USE_UART7              FALSE
 #define STM32_SERIAL_USE_UART8              FALSE
-#define STM32_SERIAL_USART1_PRIORITY        12
-#define STM32_SERIAL_USART2_PRIORITY        12
-#define STM32_SERIAL_USART3_PRIORITY        12
-#define STM32_SERIAL_UART4_PRIORITY         12
-#define STM32_SERIAL_UART5_PRIORITY         12
-#define STM32_SERIAL_USART6_PRIORITY        12
-#define STM32_SERIAL_UART7_PRIORITY         12
-#define STM32_SERIAL_UART8_PRIORITY         12
 
 /*
  * SPI driver system settings.
@@ -281,6 +291,8 @@
 #define STM32_SPI_USE_SPI2                  FALSE
 #define STM32_SPI_USE_SPI3                  FALSE
 #define STM32_SPI_USE_SPI4                  FALSE
+#define STM32_SPI_USE_SPI5                  FALSE
+#define STM32_SPI_USE_SPI6                  FALSE
 #define STM32_SPI_SPI1_RX_DMA_STREAM        STM32_DMA_STREAM_ID(2, 0)
 #define STM32_SPI_SPI1_TX_DMA_STREAM        STM32_DMA_STREAM_ID(2, 3)
 #define STM32_SPI_SPI2_RX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 3)
@@ -289,14 +301,22 @@
 #define STM32_SPI_SPI3_TX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 7)
 #define STM32_SPI_SPI4_RX_DMA_STREAM        STM32_DMA_STREAM_ID(2, 0)
 #define STM32_SPI_SPI4_TX_DMA_STREAM        STM32_DMA_STREAM_ID(2, 1)
+#define STM32_SPI_SPI5_RX_DMA_STREAM        STM32_DMA_STREAM_ID(2, 3)
+#define STM32_SPI_SPI5_TX_DMA_STREAM        STM32_DMA_STREAM_ID(2, 4)
+#define STM32_SPI_SPI6_RX_DMA_STREAM        STM32_DMA_STREAM_ID(2, 6)
+#define STM32_SPI_SPI6_TX_DMA_STREAM        STM32_DMA_STREAM_ID(2, 5)
 #define STM32_SPI_SPI1_DMA_PRIORITY         1
 #define STM32_SPI_SPI2_DMA_PRIORITY         1
 #define STM32_SPI_SPI3_DMA_PRIORITY         1
 #define STM32_SPI_SPI4_DMA_PRIORITY         1
+#define STM32_SPI_SPI5_DMA_PRIORITY         1
+#define STM32_SPI_SPI6_DMA_PRIORITY         1
 #define STM32_SPI_SPI1_IRQ_PRIORITY         10
 #define STM32_SPI_SPI2_IRQ_PRIORITY         10
 #define STM32_SPI_SPI3_IRQ_PRIORITY         10
 #define STM32_SPI_SPI4_IRQ_PRIORITY         10
+#define STM32_SPI_SPI5_IRQ_PRIORITY         10
+#define STM32_SPI_SPI6_IRQ_PRIORITY         10
 #define STM32_SPI_DMA_ERROR_HOOK(spip)      osalSysHalt("DMA failure")
 
 /*
@@ -326,12 +346,6 @@
 #define STM32_UART_UART5_TX_DMA_STREAM      STM32_DMA_STREAM_ID(1, 7)
 #define STM32_UART_USART6_RX_DMA_STREAM     STM32_DMA_STREAM_ID(2, 2)
 #define STM32_UART_USART6_TX_DMA_STREAM     STM32_DMA_STREAM_ID(2, 7)
-#define STM32_UART_USART1_IRQ_PRIORITY      12
-#define STM32_UART_USART2_IRQ_PRIORITY      12
-#define STM32_UART_USART3_IRQ_PRIORITY      12
-#define STM32_UART_UART4_IRQ_PRIORITY       12
-#define STM32_UART_UART5_IRQ_PRIORITY       12
-#define STM32_UART_USART6_IRQ_PRIORITY      12
 #define STM32_UART_USART1_DMA_PRIORITY      0
 #define STM32_UART_USART2_DMA_PRIORITY      0
 #define STM32_UART_USART3_DMA_PRIORITY      0
@@ -349,9 +363,7 @@
 #define STM32_USB_OTG2_IRQ_PRIORITY         14
 #define STM32_USB_OTG1_RX_FIFO_SIZE         512
 #define STM32_USB_OTG2_RX_FIFO_SIZE         1024
-#define STM32_USB_OTG_THREAD_PRIO           LOWPRIO
-#define STM32_USB_OTG_THREAD_STACK_SIZE     128
-#define STM32_USB_OTGFIFO_FILL_BASEPRI      0
+#define STM32_USB_HOST_WAKEUP_DURATION      2
 
 /*
  * WDG driver system settings.
diff --git a/platforms/chibios/boards/GENERIC_STM32_G431XB/configs/mcuconf.h b/platforms/chibios/boards/GENERIC_STM32_G431XB/configs/mcuconf.h
index 182d4885d7..d115028300 100644
--- a/platforms/chibios/boards/GENERIC_STM32_G431XB/configs/mcuconf.h
+++ b/platforms/chibios/boards/GENERIC_STM32_G431XB/configs/mcuconf.h
@@ -40,9 +40,24 @@
  */
 #define STM32_NO_INIT                       FALSE
 #define STM32_VOS                           STM32_VOS_RANGE1
+#define STM32_PWR_BOOST                     TRUE
 #define STM32_PWR_CR2                       (PWR_CR2_PLS_LEV0)
 #define STM32_PWR_CR3                       (PWR_CR3_EIWF)
 #define STM32_PWR_CR4                       (0U)
+#define STM32_PWR_PUCRA                     (0U)
+#define STM32_PWR_PDCRA                     (0U)
+#define STM32_PWR_PUCRB                     (0U)
+#define STM32_PWR_PDCRB                     (0U)
+#define STM32_PWR_PUCRC                     (0U)
+#define STM32_PWR_PDCRC                     (0U)
+#define STM32_PWR_PUCRD                     (0U)
+#define STM32_PWR_PDCRD                     (0U)
+#define STM32_PWR_PUCRE                     (0U)
+#define STM32_PWR_PDCRE                     (0U)
+#define STM32_PWR_PUCRF                     (0U)
+#define STM32_PWR_PDCRF                     (0U)
+#define STM32_PWR_PUCRG                     (0U)
+#define STM32_PWR_PDCRG                     (0U)
 #define STM32_HSI16_ENABLED                 TRUE
 #define STM32_HSI48_ENABLED                 TRUE
 #define STM32_HSE_ENABLED                   FALSE
diff --git a/platforms/chibios/boards/GENERIC_STM32_G474XE/configs/mcuconf.h b/platforms/chibios/boards/GENERIC_STM32_G474XE/configs/mcuconf.h
index 117e920e3b..5710e2cb45 100644
--- a/platforms/chibios/boards/GENERIC_STM32_G474XE/configs/mcuconf.h
+++ b/platforms/chibios/boards/GENERIC_STM32_G474XE/configs/mcuconf.h
@@ -42,9 +42,24 @@
  */
 #define STM32_NO_INIT                       FALSE
 #define STM32_VOS                           STM32_VOS_RANGE1
+#define STM32_PWR_BOOST                     TRUE
 #define STM32_PWR_CR2                       (PWR_CR2_PLS_LEV0)
 #define STM32_PWR_CR3                       (PWR_CR3_EIWF)
 #define STM32_PWR_CR4                       (0U)
+#define STM32_PWR_PUCRA                     (0U)
+#define STM32_PWR_PDCRA                     (0U)
+#define STM32_PWR_PUCRB                     (0U)
+#define STM32_PWR_PDCRB                     (0U)
+#define STM32_PWR_PUCRC                     (0U)
+#define STM32_PWR_PDCRC                     (0U)
+#define STM32_PWR_PUCRD                     (0U)
+#define STM32_PWR_PDCRD                     (0U)
+#define STM32_PWR_PUCRE                     (0U)
+#define STM32_PWR_PDCRE                     (0U)
+#define STM32_PWR_PUCRF                     (0U)
+#define STM32_PWR_PDCRF                     (0U)
+#define STM32_PWR_PUCRG                     (0U)
+#define STM32_PWR_PDCRG                     (0U)
 #define STM32_HSI16_ENABLED                 TRUE
 #define STM32_HSI48_ENABLED                 TRUE
 #define STM32_HSE_ENABLED                   FALSE
diff --git a/platforms/chibios/boards/QMK_PROTON_C/configs/chconf.h b/platforms/chibios/boards/QMK_PROTON_C/configs/chconf.h
index a1cbf68086..f812332960 100644
--- a/platforms/chibios/boards/QMK_PROTON_C/configs/chconf.h
+++ b/platforms/chibios/boards/QMK_PROTON_C/configs/chconf.h
@@ -40,7 +40,7 @@
 
 /**
  * @brief   System time counter resolution.
- * @note    Allowed values are 16 or 32 bits.
+ * @note    Allowed values are 16, 32 or 64 bits.
  */
 #if !defined(CH_CFG_ST_RESOLUTION)
 #define CH_CFG_ST_RESOLUTION                32
diff --git a/platforms/chibios/boards/common/configs/chconf.h b/platforms/chibios/boards/common/configs/chconf.h
index 44327a82d7..18ad609ca1 100644
--- a/platforms/chibios/boards/common/configs/chconf.h
+++ b/platforms/chibios/boards/common/configs/chconf.h
@@ -40,7 +40,7 @@
 
 /**
  * @brief   System time counter resolution.
- * @note    Allowed values are 16 or 32 bits.
+ * @note    Allowed values are 16, 32 or 64 bits.
  */
 #if !defined(CH_CFG_ST_RESOLUTION)
 #define CH_CFG_ST_RESOLUTION                32
diff --git a/tmk_core/chibios.mk b/tmk_core/chibios.mk
index 957a259229..6b298732c2 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 3b16a0ff7b..a7db3e3ab1 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();
diff --git a/util/chibios_conf_updater.sh b/util/chibios_conf_updater.sh
index d1640b6729..a5699ca3cb 100755
--- a/util/chibios_conf_updater.sh
+++ b/util/chibios_conf_updater.sh
@@ -3,6 +3,17 @@
 set -eEuo pipefail
 umask 022
 
+#####################
+# You will need to get an older JDK -- JDK 8
+#
+# !!!!!!!! DO NOT INSTALL THIS IF YOU HAVE AN EXISTING JDK OR JRE INSTALLED !!!!!!!!
+#
+# For Debian 10-ish distro's:
+#   wget -qO - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | sudo apt-key add -
+#   sudo add-apt-repository --yes https://adoptopenjdk.jfrog.io/adoptopenjdk/deb/
+#   sudo apt-get update && sudo apt-get install adoptopenjdk-8-hotspot
+
+
 sinfo() { echo "$@" >&2 ; }
 shead() { sinfo "" ; sinfo "---------------------------------" ; sinfo "-- $@" ; sinfo "---------------------------------" ; }
 havecmd()  { command command type "${1}" >/dev/null 2>&1 || return 1 ; }
@@ -11,8 +22,6 @@ this_script="$(realpath "${BASH_SOURCE[0]}")"
 script_dir="$(realpath "$(dirname "$this_script")")"
 qmk_firmware_dir="$(realpath "$script_dir/../")"
 
-declare -A file_hashes
-
 export PATH="$PATH:$script_dir/fmpp/bin"
 
 build_fmpp() {
@@ -45,67 +54,6 @@ find_chibi_files() {
     done
 }
 
-revert_chibi_files() {
-    local search_path="$1"
-    shead "Reverting ChibiOS config/board files..."
-    for file in $(find_chibi_files "$search_path" -name chconf.h -or -name halconf.h -or -name mcuconf.h -or -name board.c -or -name board.h -or -name board.mk -or -name board.chcfg) ; do
-        pushd "$search_path" >/dev/null 2>&1
-        local relpath=$(realpath --relative-to="$search_path" "$file")
-        git checkout upstream/develop -- "$relpath" || git checkout origin/develop -- "$relpath" || true
-        popd >/dev/null 2>&1
-    done
-}
-
-populate_file_hashes() {
-    local search_path="$1"
-    shead "Determining duplicate config/board files..."
-    for file in $(find_chibi_files "$search_path" -name chconf.h -or -name halconf.h -or -name mcuconf.h -or -name board.c -or -name board.h) ; do
-        local key="file_$(clang-format "$file" | sha1sum | cut -d' ' -f1)"
-        local relpath=$(realpath --relative-to="$search_path" "$file")
-        file_hashes[$key]="${file_hashes[$key]:-} $relpath"
-    done
-    for file in $(find_chibi_files "$search_path" -name board.mk -or -name board.chcfg) ; do
-        local key="file_$(cat "$file" | sha1sum | cut -d' ' -f1)"
-        local relpath=$(realpath --relative-to="$search_path" "$file")
-        file_hashes[$key]="${file_hashes[$key]:-} $relpath"
-    done
-}
-
-determine_equivalent_files() {
-    local search_file="$1"
-    for K in "${!file_hashes[@]}"; do
-        for V in ${file_hashes[$K]}; do
-            if [[ "$V" == "$search_file" ]] ; then
-                for V in ${file_hashes[$K]}; do
-                    echo "$V"
-                done
-                return 0
-            fi
-        done
-    done
-    return 1
-}
-
-deploy_staged_files() {
-    shead "Deploying staged files..."
-    for file in $(find "$qmk_firmware_dir/util/chibios-upgrade-staging" -type f) ; do
-        local relpath=$(realpath --relative-to="$qmk_firmware_dir/util/chibios-upgrade-staging" "$file")
-        sinfo "Deploying staged file: $relpath"
-        for other in $(determine_equivalent_files "$relpath") ; do
-            sinfo "    => $other"
-            cp "$qmk_firmware_dir/util/chibios-upgrade-staging/$relpath" "$qmk_firmware_dir/$other"
-        done
-    done
-}
-
-swap_mcuconf_f3xx_f303() {
-    shead "Swapping STM32F3xx_MCUCONF -> STM32F303_MCUCONF..."
-    for file in $(find_chibi_files "$qmk_firmware_dir" -name mcuconf.h) ; do
-        sed -i 's#STM32F3xx_MCUCONF#STM32F303_MCUCONF#g' "$file"
-        dos2unix "$file" >/dev/null 2>&1
-    done
-}
-
 upgrade_conf_files_generic() {
     local search_filename="$1"
     local update_script="$2"
@@ -150,35 +98,8 @@ upgrade_mcuconf_files() {
     popd >/dev/null 2>&1
 }
 
-update_staged_files() {
-    shead "Updating staged files with ChibiOS upgraded versions..."
-    for file in $(find "$qmk_firmware_dir/util/chibios-upgrade-staging" -type f) ; do
-        local relpath=$(realpath --relative-to="$qmk_firmware_dir/util/chibios-upgrade-staging" "$file")
-        sinfo "Updating staged file: $relpath"
-        cp "$qmk_firmware_dir/$relpath" "$qmk_firmware_dir/util/chibios-upgrade-staging/$relpath"
-    done
-}
-
 havecmd fmpp || build_fmpp
-revert_chibi_files "$qmk_firmware_dir"
-populate_file_hashes "$qmk_firmware_dir"
-
-shead "Showing duplicate ChibiOS files..."
-for K in "${!file_hashes[@]}"; do
-    sinfo ${K#file_}:
-    for V in ${file_hashes[$K]}; do
-        sinfo "    $V"
-    done
-done
-
-if [ "${1:-}" == "-r" ] ; then
-    exit 0
-fi
-
-swap_mcuconf_f3xx_f303
 
-deploy_staged_files
 upgrade_mcuconf_files
 upgrade_chconf_files
 upgrade_halconf_files
-update_staged_files
diff --git a/util/update_chibios_mirror.sh b/util/update_chibios_mirror.sh
index 83aee22817..0bf648ebfd 100755
--- a/util/update_chibios_mirror.sh
+++ b/util/update_chibios_mirror.sh
@@ -7,10 +7,10 @@
 chibios_branches="trunk stable_20.3.x stable_21.6.x"
 
 # The ChibiOS tags to mirror
-chibios_tags="ver20.3.1 ver20.3.2 ver20.3.3 ver21.6.0"
+chibios_tags="ver20.3.1 ver20.3.2 ver20.3.3 ver20.3.4 ver21.6.0"
 
 # The ChibiOS-Contrib branches to mirror
-contrib_branches="chibios-20.3.x"
+contrib_branches="chibios-20.3.x chibios-21.6.x"
 
 ################################
 # Actions