diff --git a/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F303x8.ld b/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F303x8.ld
new file mode 100644
index 000000000..694ae5049
--- /dev/null
+++ b/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F303x8.ld
@@ -0,0 +1,53 @@
+/*
+    ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio.
+
+    This file is part of ChibiOS.
+
+    ChibiOS is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * STM32F303x8 memory setup.
+ */
+MEMORY
+{
+    flash : org = 0x08000000, len = 64k
+    ram0  : org = 0x20000000, len = 12k
+    ram1  : org = 0x00000000, len = 0
+    ram2  : org = 0x00000000, len = 0
+    ram3  : org = 0x00000000, len = 0
+    ram4  : org = 0x10000000, len = 4k
+    ram5  : org = 0x00000000, len = 0
+    ram6  : org = 0x00000000, len = 0
+    ram7  : org = 0x00000000, len = 0
+}
+
+/* RAM region to be used for Main stack. This stack accommodates the processing
+   of all exceptions and interrupts*/
+REGION_ALIAS("MAIN_STACK_RAM", ram0);
+
+/* RAM region to be used for the process stack. This is the stack used by
+   the main() function.*/
+REGION_ALIAS("PROCESS_STACK_RAM", ram0);
+
+/* RAM region to be used for data segment.*/
+REGION_ALIAS("DATA_RAM", ram0);
+
+/* RAM region to be used for BSS segment.*/
+REGION_ALIAS("BSS_RAM", ram0);
+
+/* RAM region to be used for the default heap.*/
+REGION_ALIAS("HEAP_RAM", ram0);
+
+INCLUDE rules.ld
diff --git a/os/hal/boards/ST_NUCLEO_F030R8/board.h b/os/hal/boards/ST_NUCLEO_F030R8/board.h
index 06a17ae33..e31aa8e51 100644
--- a/os/hal/boards/ST_NUCLEO_F030R8/board.h
+++ b/os/hal/boards/ST_NUCLEO_F030R8/board.h
@@ -172,8 +172,8 @@
  * PA8  - PIN8                      (input pullup).
  * PA9  - PIN9                      (input pullup).
  * PA10 - PIN10                     (input pullup).
- * PA11 - PIN11                     (input floating).
- * PA12 - PIN12                     (input floating).
+ * PA11 - PIN11                     (input pullup).
+ * PA12 - PIN12                     (input pullup).
  * PA13 - SWDIO                     (alternate 0).
  * PA14 - SWCLK                     (alternate 0).
  * PA15 - PIN15                     (input pullup).
@@ -237,8 +237,8 @@
                                      PIN_PUPDR_PULLUP(GPIOA_PIN8) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN9) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN10) |        \
-                                     PIN_PUPDR_FLOATING(GPIOA_PIN11) |      \
-                                     PIN_PUPDR_FLOATING(GPIOA_PIN12) |      \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN11) |        \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN12) |        \
                                      PIN_PUPDR_PULLUP(GPIOA_SWDIO) |        \
                                      PIN_PUPDR_PULLDOWN(GPIOA_SWCLK) |      \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN15))
diff --git a/os/hal/boards/ST_NUCLEO_F030R8/cfg/board.chcfg b/os/hal/boards/ST_NUCLEO_F030R8/cfg/board.chcfg
index 07159eb5b..5490dca22 100644
--- a/os/hal/boards/ST_NUCLEO_F030R8/cfg/board.chcfg
+++ b/os/hal/boards/ST_NUCLEO_F030R8/cfg/board.chcfg
@@ -109,7 +109,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin12
@@ -117,7 +117,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin13
diff --git a/os/hal/boards/ST_NUCLEO_F072RB/board.h b/os/hal/boards/ST_NUCLEO_F072RB/board.h
index c4c5c25f9..a906d4db8 100644
--- a/os/hal/boards/ST_NUCLEO_F072RB/board.h
+++ b/os/hal/boards/ST_NUCLEO_F072RB/board.h
@@ -189,8 +189,8 @@
  * PA8  - PIN8                      (input pullup).
  * PA9  - PIN9                      (input pullup).
  * PA10 - PIN10                     (input pullup).
- * PA11 - PIN11                     (input floating).
- * PA12 - PIN12                     (input floating).
+ * PA11 - PIN11                     (input pullup).
+ * PA12 - PIN12                     (input pullup).
  * PA13 - SWDIO                     (alternate 0).
  * PA14 - SWCLK                     (alternate 0).
  * PA15 - PIN15                     (input pullup).
@@ -254,8 +254,8 @@
                                      PIN_PUPDR_PULLUP(GPIOA_PIN8) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN9) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN10) |        \
-                                     PIN_PUPDR_FLOATING(GPIOA_PIN11) |      \
-                                     PIN_PUPDR_FLOATING(GPIOA_PIN12) |      \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN11) |        \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN12) |        \
                                      PIN_PUPDR_PULLUP(GPIOA_SWDIO) |        \
                                      PIN_PUPDR_PULLDOWN(GPIOA_SWCLK) |      \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN15))
diff --git a/os/hal/boards/ST_NUCLEO_F072RB/cfg/board.chcfg b/os/hal/boards/ST_NUCLEO_F072RB/cfg/board.chcfg
index c75910505..f9da510fe 100644
--- a/os/hal/boards/ST_NUCLEO_F072RB/cfg/board.chcfg
+++ b/os/hal/boards/ST_NUCLEO_F072RB/cfg/board.chcfg
@@ -109,7 +109,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin12
@@ -117,7 +117,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin13
diff --git a/os/hal/boards/ST_NUCLEO_F091RC/board.h b/os/hal/boards/ST_NUCLEO_F091RC/board.h
index 70a1b703d..2a7660e9c 100644
--- a/os/hal/boards/ST_NUCLEO_F091RC/board.h
+++ b/os/hal/boards/ST_NUCLEO_F091RC/board.h
@@ -189,8 +189,8 @@
  * PA8  - PIN8                      (input pullup).
  * PA9  - PIN9                      (input pullup).
  * PA10 - PIN10                     (input pullup).
- * PA11 - PIN11                     (input floating).
- * PA12 - PIN12                     (input floating).
+ * PA11 - PIN11                     (input pullup).
+ * PA12 - PIN12                     (input pullup).
  * PA13 - SWDIO                     (alternate 0).
  * PA14 - SWCLK                     (alternate 0).
  * PA15 - PIN15                     (input pullup).
@@ -254,8 +254,8 @@
                                      PIN_PUPDR_PULLUP(GPIOA_PIN8) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN9) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN10) |        \
-                                     PIN_PUPDR_FLOATING(GPIOA_PIN11) |      \
-                                     PIN_PUPDR_FLOATING(GPIOA_PIN12) |      \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN11) |        \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN12) |        \
                                      PIN_PUPDR_PULLUP(GPIOA_SWDIO) |        \
                                      PIN_PUPDR_PULLDOWN(GPIOA_SWCLK) |      \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN15))
diff --git a/os/hal/boards/ST_NUCLEO_F091RC/cfg/board.chcfg b/os/hal/boards/ST_NUCLEO_F091RC/cfg/board.chcfg
index daba72e84..4d2a7769c 100644
--- a/os/hal/boards/ST_NUCLEO_F091RC/cfg/board.chcfg
+++ b/os/hal/boards/ST_NUCLEO_F091RC/cfg/board.chcfg
@@ -109,7 +109,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin12
@@ -117,7 +117,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin13
diff --git a/os/hal/boards/ST_NUCLEO_F302R8/board.h b/os/hal/boards/ST_NUCLEO_F302R8/board.h
index 382ffbbd9..db10876e3 100644
--- a/os/hal/boards/ST_NUCLEO_F302R8/board.h
+++ b/os/hal/boards/ST_NUCLEO_F302R8/board.h
@@ -61,8 +61,8 @@
 #define GPIOA_PIN8                  8U
 #define GPIOA_PIN9                  9U
 #define GPIOA_PIN10                 10U
-#define GPIOA_OTG_FS_DM             11U
-#define GPIOA_OTG_FS_DP             12U
+#define GPIOA_PIN11                 11U
+#define GPIOA_PIN12                 12U
 #define GPIOA_SWDIO                 13U
 #define GPIOA_SWCLK                 14U
 #define GPIOA_PIN15                 15U
@@ -188,8 +188,8 @@
  * PA8  - PIN8                      (input pullup).
  * PA9  - PIN9                      (input pullup).
  * PA10 - PIN10                     (input pullup).
- * PA11 - OTG_FS_DM                 (alternate 10).
- * PA12 - OTG_FS_DP                 (alternate 10).
+ * PA11 - PIN11                     (input pullup).
+ * PA12 - PIN12                     (input pullup).
  * PA13 - SWDIO                     (alternate 0).
  * PA14 - SWCLK                     (alternate 0).
  * PA15 - PIN15                     (input pullup).
@@ -205,8 +205,8 @@
                                      PIN_MODE_INPUT(GPIOA_PIN8) |           \
                                      PIN_MODE_INPUT(GPIOA_PIN9) |           \
                                      PIN_MODE_INPUT(GPIOA_PIN10) |          \
-                                     PIN_MODE_ALTERNATE(GPIOA_OTG_FS_DM) |  \
-                                     PIN_MODE_ALTERNATE(GPIOA_OTG_FS_DP) |  \
+                                     PIN_MODE_INPUT(GPIOA_PIN11) |          \
+                                     PIN_MODE_INPUT(GPIOA_PIN12) |          \
                                      PIN_MODE_ALTERNATE(GPIOA_SWDIO) |      \
                                      PIN_MODE_ALTERNATE(GPIOA_SWCLK) |      \
                                      PIN_MODE_INPUT(GPIOA_PIN15))
@@ -221,8 +221,8 @@
                                      PIN_OTYPE_PUSHPULL(GPIOA_PIN8) |       \
                                      PIN_OTYPE_PUSHPULL(GPIOA_PIN9) |       \
                                      PIN_OTYPE_PUSHPULL(GPIOA_PIN10) |      \
-                                     PIN_OTYPE_PUSHPULL(GPIOA_OTG_FS_DM) |  \
-                                     PIN_OTYPE_PUSHPULL(GPIOA_OTG_FS_DP) |  \
+                                     PIN_OTYPE_PUSHPULL(GPIOA_PIN11) |      \
+                                     PIN_OTYPE_PUSHPULL(GPIOA_PIN12) |      \
                                      PIN_OTYPE_PUSHPULL(GPIOA_SWDIO) |      \
                                      PIN_OTYPE_PUSHPULL(GPIOA_SWCLK) |      \
                                      PIN_OTYPE_PUSHPULL(GPIOA_PIN15))
@@ -237,8 +237,8 @@
                                      PIN_OSPEED_100M(GPIOA_PIN8) |          \
                                      PIN_OSPEED_100M(GPIOA_PIN9) |          \
                                      PIN_OSPEED_100M(GPIOA_PIN10) |         \
-                                     PIN_OSPEED_100M(GPIOA_OTG_FS_DM) |     \
-                                     PIN_OSPEED_100M(GPIOA_OTG_FS_DP) |     \
+                                     PIN_OSPEED_100M(GPIOA_PIN11) |         \
+                                     PIN_OSPEED_100M(GPIOA_PIN12) |         \
                                      PIN_OSPEED_100M(GPIOA_SWDIO) |         \
                                      PIN_OSPEED_100M(GPIOA_SWCLK) |         \
                                      PIN_OSPEED_100M(GPIOA_PIN15))
@@ -253,8 +253,8 @@
                                      PIN_PUPDR_PULLUP(GPIOA_PIN8) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN9) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN10) |        \
-                                     PIN_PUPDR_FLOATING(GPIOA_OTG_FS_DM) |  \
-                                     PIN_PUPDR_FLOATING(GPIOA_OTG_FS_DP) |  \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN11) |        \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN12) |        \
                                      PIN_PUPDR_PULLUP(GPIOA_SWDIO) |        \
                                      PIN_PUPDR_PULLDOWN(GPIOA_SWCLK) |      \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN15))
@@ -269,8 +269,8 @@
                                      PIN_ODR_HIGH(GPIOA_PIN8) |             \
                                      PIN_ODR_HIGH(GPIOA_PIN9) |             \
                                      PIN_ODR_HIGH(GPIOA_PIN10) |            \
-                                     PIN_ODR_HIGH(GPIOA_OTG_FS_DM) |        \
-                                     PIN_ODR_HIGH(GPIOA_OTG_FS_DP) |        \
+                                     PIN_ODR_HIGH(GPIOA_PIN11) |            \
+                                     PIN_ODR_HIGH(GPIOA_PIN12) |            \
                                      PIN_ODR_HIGH(GPIOA_SWDIO) |            \
                                      PIN_ODR_HIGH(GPIOA_SWCLK) |            \
                                      PIN_ODR_HIGH(GPIOA_PIN15))
@@ -285,8 +285,8 @@
 #define VAL_GPIOA_AFRH              (PIN_AFIO_AF(GPIOA_PIN8, 0) |           \
                                      PIN_AFIO_AF(GPIOA_PIN9, 0) |           \
                                      PIN_AFIO_AF(GPIOA_PIN10, 0) |          \
-                                     PIN_AFIO_AF(GPIOA_OTG_FS_DM, 10) |     \
-                                     PIN_AFIO_AF(GPIOA_OTG_FS_DP, 10) |     \
+                                     PIN_AFIO_AF(GPIOA_PIN11, 0) |          \
+                                     PIN_AFIO_AF(GPIOA_PIN12, 0) |          \
                                      PIN_AFIO_AF(GPIOA_SWDIO, 0) |          \
                                      PIN_AFIO_AF(GPIOA_SWCLK, 0) |          \
                                      PIN_AFIO_AF(GPIOA_PIN15, 0))
diff --git a/os/hal/boards/ST_NUCLEO_F302R8/cfg/board.chcfg b/os/hal/boards/ST_NUCLEO_F302R8/cfg/board.chcfg
index bc5c1ceb4..9ccf6d4b3 100644
--- a/os/hal/boards/ST_NUCLEO_F302R8/cfg/board.chcfg
+++ b/os/hal/boards/ST_NUCLEO_F302R8/cfg/board.chcfg
@@ -109,7 +109,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin12
@@ -117,7 +117,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin13
diff --git a/os/hal/boards/ST_NUCLEO_F334R8/board.h b/os/hal/boards/ST_NUCLEO_F334R8/board.h
index 01f55dca2..c56dc329b 100644
--- a/os/hal/boards/ST_NUCLEO_F334R8/board.h
+++ b/os/hal/boards/ST_NUCLEO_F334R8/board.h
@@ -188,8 +188,8 @@
  * PA8  - PIN8                      (input pullup).
  * PA9  - PIN9                      (input pullup).
  * PA10 - PIN10                     (input pullup).
- * PA11 - PIN11                     (input floating).
- * PA12 - PIN12                     (input floating).
+ * PA11 - PIN11                     (input pullup).
+ * PA12 - PIN12                     (input pullup).
  * PA13 - SWDIO                     (alternate 0).
  * PA14 - SWCLK                     (alternate 0).
  * PA15 - PIN15                     (input pullup).
@@ -253,8 +253,8 @@
                                      PIN_PUPDR_PULLUP(GPIOA_PIN8) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN9) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN10) |        \
-                                     PIN_PUPDR_FLOATING(GPIOA_PIN11) |      \
-                                     PIN_PUPDR_FLOATING(GPIOA_PIN12) |      \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN11) |        \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN12) |        \
                                      PIN_PUPDR_PULLUP(GPIOA_SWDIO) |        \
                                      PIN_PUPDR_PULLDOWN(GPIOA_SWCLK) |      \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN15))
diff --git a/os/hal/boards/ST_NUCLEO_F334R8/cfg/board.chcfg b/os/hal/boards/ST_NUCLEO_F334R8/cfg/board.chcfg
index 5e13db673..2dc12fe83 100644
--- a/os/hal/boards/ST_NUCLEO_F334R8/cfg/board.chcfg
+++ b/os/hal/boards/ST_NUCLEO_F334R8/cfg/board.chcfg
@@ -109,7 +109,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin12
@@ -117,7 +117,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin13
diff --git a/os/hal/boards/ST_NUCLEO_F411RE/board.h b/os/hal/boards/ST_NUCLEO_F411RE/board.h
index 32e0c05d1..381a9dd1d 100644
--- a/os/hal/boards/ST_NUCLEO_F411RE/board.h
+++ b/os/hal/boards/ST_NUCLEO_F411RE/board.h
@@ -27,7 +27,6 @@
 #define BOARD_ST_NUCLEO_F411RE
 #define BOARD_NAME                  "STMicroelectronics NUCLEO-F411RE"
 
-
 /*
  * Board oscillators-related settings.
  * NOTE: LSE not fitted.
@@ -309,7 +308,7 @@
                                      PIN_PUPDR_PULLUP(GPIOA_PIN8) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN9) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN10) |        \
-                                     PIN_PUPDR_FLOATING(GPIOA_OTG_FS_DM) |  \
+                                     PIN_PUPDR_PULLUP(GPIOA_OTG_FS_DM) |    \
                                      PIN_PUPDR_FLOATING(GPIOA_OTG_FS_DP) |  \
                                      PIN_PUPDR_PULLUP(GPIOA_SWDIO) |        \
                                      PIN_PUPDR_PULLDOWN(GPIOA_SWCLK) |      \
diff --git a/os/hal/boards/ST_NUCLEO_L053R8/board.h b/os/hal/boards/ST_NUCLEO_L053R8/board.h
index 8c32c1d6b..2312591c5 100644
--- a/os/hal/boards/ST_NUCLEO_L053R8/board.h
+++ b/os/hal/boards/ST_NUCLEO_L053R8/board.h
@@ -63,8 +63,8 @@
 #define GPIOA_PIN8                  8U
 #define GPIOA_PIN9                  9U
 #define GPIOA_PIN10                 10U
-#define GPIOA_OTG_FS_DM             11U
-#define GPIOA_OTG_FS_DP             12U
+#define GPIOA_PIN11                 11U
+#define GPIOA_PIN12                 12U
 #define GPIOA_SWDIO                 13U
 #define GPIOA_SWCLK                 14U
 #define GPIOA_PIN15                 15U
@@ -173,8 +173,8 @@
  * PA8  - PIN8                      (input pullup).
  * PA9  - PIN9                      (input pullup).
  * PA10 - PIN10                     (input pullup).
- * PA11 - OTG_FS_DM                 (input floating).
- * PA12 - OTG_FS_DP                 (input floating).
+ * PA11 - PIN11                     (input pullup).
+ * PA12 - PIN12                     (input pullup).
  * PA13 - SWDIO                     (alternate 0).
  * PA14 - SWCLK                     (alternate 0).
  * PA15 - PIN15                     (input pullup).
@@ -190,8 +190,8 @@
                                      PIN_MODE_INPUT(GPIOA_PIN8) |           \
                                      PIN_MODE_INPUT(GPIOA_PIN9) |           \
                                      PIN_MODE_INPUT(GPIOA_PIN10) |          \
-                                     PIN_MODE_INPUT(GPIOA_OTG_FS_DM) |      \
-                                     PIN_MODE_INPUT(GPIOA_OTG_FS_DP) |      \
+                                     PIN_MODE_INPUT(GPIOA_PIN11) |          \
+                                     PIN_MODE_INPUT(GPIOA_PIN12) |          \
                                      PIN_MODE_ALTERNATE(GPIOA_SWDIO) |      \
                                      PIN_MODE_ALTERNATE(GPIOA_SWCLK) |      \
                                      PIN_MODE_INPUT(GPIOA_PIN15))
@@ -206,8 +206,8 @@
                                      PIN_OTYPE_PUSHPULL(GPIOA_PIN8) |       \
                                      PIN_OTYPE_PUSHPULL(GPIOA_PIN9) |       \
                                      PIN_OTYPE_PUSHPULL(GPIOA_PIN10) |      \
-                                     PIN_OTYPE_PUSHPULL(GPIOA_OTG_FS_DM) |  \
-                                     PIN_OTYPE_PUSHPULL(GPIOA_OTG_FS_DP) |  \
+                                     PIN_OTYPE_PUSHPULL(GPIOA_PIN11) |      \
+                                     PIN_OTYPE_PUSHPULL(GPIOA_PIN12) |      \
                                      PIN_OTYPE_PUSHPULL(GPIOA_SWDIO) |      \
                                      PIN_OTYPE_PUSHPULL(GPIOA_SWCLK) |      \
                                      PIN_OTYPE_PUSHPULL(GPIOA_PIN15))
@@ -222,8 +222,8 @@
                                      PIN_OSPEED_HIGH(GPIOA_PIN8) |          \
                                      PIN_OSPEED_HIGH(GPIOA_PIN9) |          \
                                      PIN_OSPEED_HIGH(GPIOA_PIN10) |         \
-                                     PIN_OSPEED_HIGH(GPIOA_OTG_FS_DM) |     \
-                                     PIN_OSPEED_HIGH(GPIOA_OTG_FS_DP) |     \
+                                     PIN_OSPEED_HIGH(GPIOA_PIN11) |         \
+                                     PIN_OSPEED_HIGH(GPIOA_PIN12) |         \
                                      PIN_OSPEED_HIGH(GPIOA_SWDIO) |         \
                                      PIN_OSPEED_HIGH(GPIOA_SWCLK) |         \
                                      PIN_OSPEED_HIGH(GPIOA_PIN15))
@@ -238,8 +238,8 @@
                                      PIN_PUPDR_PULLUP(GPIOA_PIN8) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN9) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN10) |        \
-                                     PIN_PUPDR_FLOATING(GPIOA_OTG_FS_DM) |  \
-                                     PIN_PUPDR_FLOATING(GPIOA_OTG_FS_DP) |  \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN11) |        \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN12) |        \
                                      PIN_PUPDR_PULLUP(GPIOA_SWDIO) |        \
                                      PIN_PUPDR_PULLDOWN(GPIOA_SWCLK) |      \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN15))
@@ -254,8 +254,8 @@
                                      PIN_ODR_HIGH(GPIOA_PIN8) |             \
                                      PIN_ODR_HIGH(GPIOA_PIN9) |             \
                                      PIN_ODR_HIGH(GPIOA_PIN10) |            \
-                                     PIN_ODR_HIGH(GPIOA_OTG_FS_DM) |        \
-                                     PIN_ODR_HIGH(GPIOA_OTG_FS_DP) |        \
+                                     PIN_ODR_HIGH(GPIOA_PIN11) |            \
+                                     PIN_ODR_HIGH(GPIOA_PIN12) |            \
                                      PIN_ODR_HIGH(GPIOA_SWDIO) |            \
                                      PIN_ODR_HIGH(GPIOA_SWCLK) |            \
                                      PIN_ODR_HIGH(GPIOA_PIN15))
@@ -270,8 +270,8 @@
 #define VAL_GPIOA_AFRH              (PIN_AFIO_AF(GPIOA_PIN8, 0) |           \
                                      PIN_AFIO_AF(GPIOA_PIN9, 0) |           \
                                      PIN_AFIO_AF(GPIOA_PIN10, 0) |          \
-                                     PIN_AFIO_AF(GPIOA_OTG_FS_DM, 0) |      \
-                                     PIN_AFIO_AF(GPIOA_OTG_FS_DP, 0) |      \
+                                     PIN_AFIO_AF(GPIOA_PIN11, 0) |          \
+                                     PIN_AFIO_AF(GPIOA_PIN12, 0) |          \
                                      PIN_AFIO_AF(GPIOA_SWDIO, 0) |          \
                                      PIN_AFIO_AF(GPIOA_SWCLK, 0) |          \
                                      PIN_AFIO_AF(GPIOA_PIN15, 0))
diff --git a/os/hal/boards/ST_NUCLEO_L053R8/cfg/board.chcfg b/os/hal/boards/ST_NUCLEO_L053R8/cfg/board.chcfg
index c14fb05fc..56678b0f0 100644
--- a/os/hal/boards/ST_NUCLEO_L053R8/cfg/board.chcfg
+++ b/os/hal/boards/ST_NUCLEO_L053R8/cfg/board.chcfg
@@ -109,7 +109,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin12
@@ -117,7 +117,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin13
diff --git a/os/hal/boards/ST_NUCLEO_L152RE/board.h b/os/hal/boards/ST_NUCLEO_L152RE/board.h
index 13bd773e8..d9e9d27af 100644
--- a/os/hal/boards/ST_NUCLEO_L152RE/board.h
+++ b/os/hal/boards/ST_NUCLEO_L152RE/board.h
@@ -221,8 +221,8 @@
  * PA8  - PIN8                      (input pullup).
  * PA9  - PIN9                      (input pullup).
  * PA10 - PIN10                     (input pullup).
- * PA11 - PIN11                     (input floating).
- * PA12 - PIN12                     (input floating).
+ * PA11 - PIN11                     (input pullup).
+ * PA12 - PIN12                     (input pullup).
  * PA13 - SWDIO                     (alternate 0).
  * PA14 - SWCLK                     (alternate 0).
  * PA15 - PIN15                     (input pullup).
@@ -286,8 +286,8 @@
                                      PIN_PUPDR_PULLUP(GPIOA_PIN8) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN9) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN10) |        \
-                                     PIN_PUPDR_FLOATING(GPIOA_PIN11) |      \
-                                     PIN_PUPDR_FLOATING(GPIOA_PIN12) |      \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN11) |        \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN12) |        \
                                      PIN_PUPDR_PULLUP(GPIOA_SWDIO) |        \
                                      PIN_PUPDR_PULLDOWN(GPIOA_SWCLK) |      \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN15))
diff --git a/os/hal/boards/ST_NUCLEO_L152RE/cfg/board.chcfg b/os/hal/boards/ST_NUCLEO_L152RE/cfg/board.chcfg
index b869d96f2..c1186c27e 100644
--- a/os/hal/boards/ST_NUCLEO_L152RE/cfg/board.chcfg
+++ b/os/hal/boards/ST_NUCLEO_L152RE/cfg/board.chcfg
@@ -113,7 +113,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin12
@@ -121,7 +121,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin13
diff --git a/os/hal/boards/ST_NUCLEO_L476RG/board.h b/os/hal/boards/ST_NUCLEO_L476RG/board.h
index 8b5ad87ea..fc203aa73 100644
--- a/os/hal/boards/ST_NUCLEO_L476RG/board.h
+++ b/os/hal/boards/ST_NUCLEO_L476RG/board.h
@@ -226,8 +226,8 @@
  * PA8  - PIN8                      (input pullup).
  * PA9  - PIN9                      (input pullup).
  * PA10 - PIN10                     (input pullup).
- * PA11 - PIN11                     (input floating).
- * PA12 - PIN12                     (input floating).
+ * PA11 - PIN11                     (input pullup).
+ * PA12 - PIN12                     (input pullup).
  * PA13 - SWDIO                     (alternate 0).
  * PA14 - SWCLK                     (alternate 0).
  * PA15 - PIN15                     (input pullup).
@@ -291,8 +291,8 @@
                                      PIN_PUPDR_PULLUP(GPIOA_PIN8) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN9) |         \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN10) |        \
-                                     PIN_PUPDR_FLOATING(GPIOA_PIN11) |      \
-                                     PIN_PUPDR_FLOATING(GPIOA_PIN12) |      \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN11) |        \
+                                     PIN_PUPDR_PULLUP(GPIOA_PIN12) |        \
                                      PIN_PUPDR_PULLUP(GPIOA_SWDIO) |        \
                                      PIN_PUPDR_PULLDOWN(GPIOA_SWCLK) |      \
                                      PIN_PUPDR_PULLUP(GPIOA_PIN15))
diff --git a/os/hal/boards/ST_NUCLEO_L476RG/cfg/board.chcfg b/os/hal/boards/ST_NUCLEO_L476RG/cfg/board.chcfg
index fb236de97..4c4b3927d 100644
--- a/os/hal/boards/ST_NUCLEO_L476RG/cfg/board.chcfg
+++ b/os/hal/boards/ST_NUCLEO_L476RG/cfg/board.chcfg
@@ -114,7 +114,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin12
@@ -122,7 +122,7 @@
         Type="PushPull"
         Level="High"
         Speed="Maximum"
-        Resistor="Floating"
+        Resistor="PullUp"
         Mode="Input"
         Alternate="0" />
       <pin13