cpu/stm32f4: adapted to centralized cpu conf

cpu/stm32f4/cpu.c

@@ -21,10 +21,6 @@
 #include "cpu.h"
 #include "periph_conf.h"
 
-/**
- * @name Pattern to write into the Coprocessor Access Control Register to allow full FPU access
- */
-#define FULL_FPU_ACCESS         (0x00f00000)
 
 
 static void cpu_clock_init(void);
@@ -34,17 +30,10 @@ static void cpu_clock_init(void);
  */
 void cpu_init(void)
 {
-    /* give full access to the FPU */
-    SCB->CPACR |= (uint32_t)FULL_FPU_ACCESS;
-
-    /* configure the vector table location to internal flash */
-    SCB->VTOR = FLASH_BASE;
-
+    /* initialize the Cortex-M core */
+    cortexm_init();
     /* initialize the clock system */
     cpu_clock_init();
-
-    /* set pendSV interrupt to lowest possible priority */
-    NVIC_SetPriority(PendSV_IRQn, 0xff);
 }
 
 /**

cpu/stm32f4/include/cpu_conf.h

@@ -21,36 +21,23 @@
 #ifndef __CPU_CONF_H
 #define __CPU_CONF_H
 
-#ifdef CPU_MODEL_STM32F407VG
+#if defined(CPU_MODEL_STM32F407VG)
 #include "stm32f407xx.h"
-#elif defined CPU_MODEL_STM32F415RG
+#elif defined(CPU_MODEL_STM32F415RG)
 #include "stm32f415xx.h"
 #endif
 
-/**
- * @name Kernel configuration
- *
- * TODO: measure and adjust for the Cortex-M4f
- * @{
- */
-#define THREAD_EXTRA_STACKSIZE_PRINTF    (2500)
-
-#ifndef THREAD_STACKSIZE_DEFAULT
-#define THREAD_STACKSIZE_DEFAULT   (2500)
+#ifdef __cplusplus
+extern "C" {
 #endif
 
-#define THREAD_STACKSIZE_IDLE      (512)
-/** @} */
-
 /**
- * @name UART0 buffer size definition for compatibility reasons
- *
- * TODO: remove once the remodeling of the uart0 driver is done
+ * @brief   ARM Cortex-M specific CPU configuration
  * @{
  */
-#ifndef UART0_BUFSIZE
-#define UART0_BUFSIZE                   (128)
-#endif
+#define CPU_DEFAULT_IRQ_PRIO            (1U)
+#define CPU_IRQ_NUMOF                   (82U)
+#define CPU_FLASH_BASE                  FLASH_BASE
 /** @} */
 
 /**
@@ -68,10 +55,6 @@
 #endif
 /** @} */
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 #ifdef __cplusplus
 }
 #endif