cpu/stm32f4: adding support for stm32f446re cpu

cpu/stm32f4/include/cpu_conf.h

@@ -29,6 +29,8 @@
 #include "stm32f407xx.h"
 #elif defined(CPU_MODEL_STM32F415RG)
 #include "stm32f415xx.h"
+#elif defined(CPU_MODEL_STM32F446RE)
+#include "stm32f446xx.h"
 #endif
 
 #ifdef __cplusplus

cpu/stm32f4/include/periph_cpu.h

@@ -30,7 +30,7 @@ extern "C" {
  */
 #if defined(CPU_MODEL_STM32F401RE)
 #define ADC_DEVS            (1U)
-#elif defined(CPU_MODEL_STM32F407VG) || defined(CPU_MODEL_STM32F415RG)
+#elif defined(CPU_MODEL_STM32F407VG) || defined(CPU_MODEL_STM32F415RG) || defined(CPU_MODEL_STM32F446RE)
 #define ADC_DEVS            (3U)
 #endif
 

cpu/stm32f4/ldscripts/stm32f446re.ld

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2016 Inria
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @addtogroup      cpu_stm32f4
+ * @{
+ *
+ * @file
+ * @brief           Memory definitions for the STM32F446RE
+ *
+ * @author          Alexandre Abadie <alexandre.abadie@inria.fr>
+ *
+ * @}
+ */
+
+MEMORY
+{
+    rom (rx)    : ORIGIN = 0x08000000, LENGTH = 512K
+    ram (rwx)   : ORIGIN = 0x20000000, LENGTH = 128K
+    cpuid (r)   : ORIGIN = 0x1fff7a10, LENGTH = 12
+}
+
+_cpuid_address = ORIGIN(cpuid);
+
+INCLUDE cortexm_base.ld

doc/doxygen/riot.doxyfile

@@ -840,6 +840,7 @@ EXCLUDE_PATTERNS       = */board/*/tools/* \
                          */pkg/tlsf/patch.txt \
                          */sys/random/tinymt32/* \
                          */cpu/stm32f2/include/stm32f2*.h \
+                         */cpu/stm32f4/include/stm32f4*.h \
 
 
 # The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names