bsp/stm32f4: Add header files

Added register definition headers for STM32F4 ADC, EXTI, PWR, SYSCFG,
TIM, OTGFS and updated FLASH and RCC. Fixed PLL_Q for USB 48MHz
operation. Added flash prefetch enable.

11 files changed, 1209 insertions, 57 deletions

diff --git a/c/src/lib/libbsp/arm/stm32f4/Makefile.am b/c/src/lib/libbsp/arm/stm32f4/Makefile.am
index 055a0b1d1d..338f78de7f 100644
--- a/c/src/lib/libbsp/arm/stm32f4/Makefile.am
+++ b/c/src/lib/libbsp/arm/stm32f4/Makefile.am
@@ -49,9 +49,15 @@ include_bsp_HEADERS += include/stm32f4.h
 include_bsp_HEADERS += include/stm32f10xxx_gpio.h
 include_bsp_HEADERS += include/stm32f10xxx_rcc.h
 include_bsp_HEADERS += include/stm32f10xxx_exti.h
+include_bsp_HEADERS += include/stm32f4xxxx_adc.h
+include_bsp_HEADERS += include/stm32f4xxxx_exti.h
 include_bsp_HEADERS += include/stm32f4xxxx_gpio.h
 include_bsp_HEADERS += include/stm32f4xxxx_rcc.h
+include_bsp_HEADERS += include/stm32f4xxxx_pwr.h
+include_bsp_HEADERS += include/stm32f4xxxx_syscfg.h
+include_bsp_HEADERS += include/stm32f4xxxx_tim.h
 include_bsp_HEADERS += include/stm32f4xxxx_flash.h
+include_bsp_HEADERS += include/stm32f4xxxx_otgfs.h
 include_bsp_HEADERS += include/stm32_i2c.h
 include_bsp_HEADERS += include/i2c.h
 include_bsp_HEADERS += include/stm32_usart.h
diff --git a/c/src/lib/libbsp/arm/stm32f4/include/stm32f4.h b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4.h
index d26f914887..154d4f6d7b 100644
--- a/c/src/lib/libbsp/arm/stm32f4/include/stm32f4.h
+++ b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4.h
@@ -35,6 +35,11 @@
  * @{
  */
 
+#define STM32F4_APB1_BASE (STM32F4_BASE + 0x40000000)
+#define STM32F4_APB2_BASE (STM32F4_BASE + 0x40010000)
+#define STM32F4_AHB1_BASE (STM32F4_BASE + 0x40020000)
+#define STM32F4_AHB2_BASE (STM32F4_BASE + 0x50000000)
+
 /**
  * @name STM32f4XXXX GPIO
  * @{
@@ -51,7 +56,7 @@
  */
 
 #include <bsp/stm32f4xxxx_rcc.h>
-#define STM32F4_RCC ((volatile stm32f4_rcc *) (STM32F4_BASE + 0x40023800))
+#define STM32F4_RCC ((volatile stm32f4_rcc *) (STM32F4_AHB1_BASE + 0x3800))
 
 /** @} */
 
@@ -93,6 +98,99 @@
 
 /** @} */
 
+/**
+ * @name STM32f4XXXX PWR
+ * @{
+ */
+
+#include <bsp/stm32f4xxxx_pwr.h>
+#define STM32F4_PWR ((volatile stm32f4_pwr *) (STM32F4_APB1_BASE + 0x7000))
+
+/** @} */
+
+/**
+ * @name STM32f4XXXX EXTI
+ * @{
+ */
+
+#include <bsp/stm32f4xxxx_exti.h>
+#define STM32F4_EXTI ((volatile stm32f4_exti *) (STM32F4_APB2_BASE + 0x3c00))
+
+/** @} */
+
+/**
+ * @name STM32f4XXXX SYSCFG
+ * @{
+ */
+
+#include <bsp/stm32f4xxxx_syscfg.h>
+#define STM32F4_SYSCFG ((volatile stm32f4_syscfg *) (STM32F4_APB2_BASE + 0x3800))
+
+/** @} */
+
+/**
+ * @name STM32f4XXXX FLASH
+ * @{
+ */
+
+#include <bsp/stm32f4xxxx_flash.h>
+#define STM32F4_FLASH ((volatile stm32f4_flash *) (STM32F4_AHB1_BASE + 0x3c00))
+
+/** @} */
+
+/**
+ * @name STM32f4XXXX TIM
+ * @{
+ */
+
+#include <bsp/stm32f4xxxx_tim.h>
+#define STM32F4_TIM1 ((volatile stm32f4_tim *) (STM32F4_APB2_BASE + 0x0000))
+#define STM32F4_TIM2 ((volatile stm32f4_tim *) (STM32F4_APB1_BASE + 0x0000))
+#define STM32F4_TIM3 ((volatile stm32f4_tim *) (STM32F4_APB1_BASE + 0x0400))
+#define STM32F4_TIM4 ((volatile stm32f4_tim *) (STM32F4_APB1_BASE + 0x0800))
+#define STM32F4_TIM5 ((volatile stm32f4_tim *) (STM32F4_APB1_BASE + 0x0c00))
+#define STM32F4_TIM6 ((volatile stm32f4_tim *) (STM32F4_APB1_BASE + 0x1000))
+#define STM32F4_TIM7 ((volatile stm32f4_tim *) (STM32F4_APB1_BASE + 0x1400))
+#define STM32F4_TIM8 ((volatile stm32f4_tim *) (STM32F4_APB2_BASE + 0x0400))
+#define STM32F4_TIM9 ((volatile stm32f4_tim *) (STM32F4_APB2_BASE + 0x4000))
+#define STM32F4_TIM10 ((volatile stm32f4_tim *) (STM32F4_APB2_BASE + 0x4400))
+#define STM32F4_TIM11 ((volatile stm32f4_tim *) (STM32F4_APB2_BASE + 0x4800))
+#define STM32F4_TIM12 ((volatile stm32f4_tim *) (STM32F4_APB1_BASE + 0x1800))
+#define STM32F4_TIM13 ((volatile stm32f4_tim *) (STM32F4_APB1_BASE + 0x1c00))
+#define STM32F4_TIM14 ((volatile stm32f4_tim *) (STM32F4_APB1_BASE + 0x2000))
+
+/** @} */
+
+/**
+ * @name STM32f4XXXX ADC
+ * @{
+ */
+
+#include <bsp/stm32f4xxxx_adc.h>
+#define STM32F4_ADC1 ((volatile stm32f4_adc_chan *) (STM32F4_APB2_BASE + 0x2000))
+#define STM32F4_ADC2 ((volatile stm32f4_adc_chan *) (STM32F4_APB2_BASE + 0x2100))
+#define STM32F4_ADC3 ((volatile stm32f4_adc_chan *) (STM32F4_APB2_BASE + 0x2200))
+#define STM32F4_ADC_COMMON ((volatile stm32f4_adc_com *) (STM32F4_APB2_BASE + 0x2300))
+
+/** @} */
+
+/**
+ * @name STM32f4XXXX OTGFS
+ * @{
+ */
+
+#include <bsp/stm32f4xxxx_otgfs.h>
+#define STM32F4_OTGFS_BASE (STM32F4_AHB2_BASE + 0x0000)
+#define STM32F4_OTGFS_CORE ((volatile stm32f4_otgfs *) (STM32F4_OTGFS_BASE + 0x000))
+#define STM32F4_OTGFS_DEV ((volatile stm32f4_otgfs_dregs *) (STM32F4_OTGFS_BASE + 0x800))
+#define STM32F4_OTGFS_INEP ((volatile stm32f4_otgfs_inepregs *) (STM32F4_OTGFS_BASE + 0x900))
+#define STM32F4_OTGFS_OUTEP ((volatile stm32f4_otgfs_outepregs *) (STM32F4_OTGFS_BASE + 0xb00))
+#define STM32F4_OTGFS_PWRCTL ((volatile stm32f4_otgfs_pwrctlregs *) (STM32F4_OTGFS_BASE + 0xe00))
+
+#define STM32F4_OTGFS_FIFO_BASE (STM32F4_OTGFS_BASE + USB_FIFO_BASE)
+
+/** @} */
+
 #endif /* STM32F4_FAMILY_F4XXXX */
 
 #ifdef STM32F4_FAMILY_F10XXX
diff --git a/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_exti.h b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_exti.h
new file mode 100644
index 0000000000..feff2c6082
--- /dev/null
+++ b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_exti.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2013 Chris Nott.  All rights reserved.
+ *
+ *  Virtual Logic
+ *  21-25 King St.
+ *  Rockdale NSW 2216
+ *  Australia
+ *  <rtems@vl.com.au>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef LIBBSP_ARM_STM32F4_STM32F4XXXX_EXTI_H
+#define LIBBSP_ARM_STM32F4_STM32F4XXXX_EXTI_H
+
+#include <bsp/utility.h>
+
+#define EXTI_PORTA 0
+#define EXTI_PORTB 1
+#define EXTI_PORTC 2
+#define EXTI_PORTD 3
+#define EXTI_PORTE 4
+#define EXTI_PORTF 5
+#define EXTI_PORTG 6
+#define EXTI_PORTH 7
+#define EXTI_PORTI 8
+
+#define STM32F4_EXTI_LINE22							BSP_BIT32(21)
+#define STM32F4_EXTI_LINE21							BSP_BIT32(21)
+#define STM32F4_EXTI_LINE20							BSP_BIT32(20)
+#define STM32F4_EXTI_LINE19							BSP_BIT32(19)
+#define STM32F4_EXTI_LINE18							BSP_BIT32(18)
+#define STM32F4_EXTI_LINE17							BSP_BIT32(17)
+#define STM32F4_EXTI_LINE16							BSP_BIT32(16)
+#define STM32F4_EXTI_LINE15							BSP_BIT32(15)
+#define STM32F4_EXTI_LINE14							BSP_BIT32(14)
+#define STM32F4_EXTI_LINE13							BSP_BIT32(13)
+#define STM32F4_EXTI_LINE12							BSP_BIT32(12)
+#define STM32F4_EXTI_LINE11							BSP_BIT32(11)
+#define STM32F4_EXTI_LINE10							BSP_BIT32(10)
+#define STM32F4_EXTI_LINE9							BSP_BIT32(9)
+#define STM32F4_EXTI_LINE8							BSP_BIT32(8)
+#define STM32F4_EXTI_LINE7							BSP_BIT32(7)
+#define STM32F4_EXTI_LINE6							BSP_BIT32(6)
+#define STM32F4_EXTI_LINE5							BSP_BIT32(5)
+#define STM32F4_EXTI_LINE4							BSP_BIT32(4)
+#define STM32F4_EXTI_LINE3							BSP_BIT32(3)
+#define STM32F4_EXTI_LINE2							BSP_BIT32(2)
+#define STM32F4_EXTI_LINE1							BSP_BIT32(1)
+#define STM32F4_EXTI_LINE0							BSP_BIT32(0)
+
+struct stm32f4_exti_s {
+	uint32_t imr;		// Interrupt mask
+	uint32_t emr;		// Event mask
+	uint32_t rtsr;	// Rising trigger selection
+	uint32_t ftsr;	// Falling trigger selection
+	uint32_t swier;	// Software interrupt event
+	uint32_t pr;		// Pending
+} __attribute__ ((packed));
+typedef struct stm32f4_exti_s stm32f4_exti;
+
+#endif /* LIBBSP_ARM_STM32F4_STM32F4XXXX_EXTI_H */
diff --git a/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_flash.h b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_flash.h
index 55d9dc6f3b..13f9045439 100644..100755
--- a/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_flash.h
+++ b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_flash.h
@@ -1,22 +1,15 @@
-/**
- * @file
- *
- * @ingroup stm32f4_flash
- *
- * @brief STM32F4XXXX FLASH support.
- *
- * Contains structure desribing registers responsible for the flash memory
- * configuration.
- */
-
 /*
- * Copyright (c) 2014 Tomasz Gregorek.  All rights reserved.
+ * Copyright (c) 2013 Chris Nott.  All rights reserved.
  *
- *  <tomasz.gregorek@gmail.com>
+ *  Virtual Logic
+ *  21-25 King St.
+ *  Rockdale NSW 2216
+ *  Australia
+ *  <rtems@vl.com.au>
  *
  * The license and distribution terms for this file may be
  * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
+ * http://www.rtems.com/license/LICENSE.
  */
 
 #ifndef LIBBSP_ARM_STM32F4_STM32F4XXXX_FLASH_H
@@ -24,31 +17,67 @@
 
 #include <bsp/utility.h>
 
-/**
- * @defgroup stm32f10xxx_flash STM32F4XXXX FLASH Support
- * @ingroup stm32f4_flash
- * @brief STM32F4FXXX FLASH Support
- * @{
- */
+struct stm32f4_flash_s {
+
+  uint32_t acr;   // Access and control register
+#define STM32F4_FLASH_ACR_DCRST   BSP_BIT32(12) // Data cache reset
+#define STM32F4_FLASH_ACR_ICRST   BSP_BIT32(11) // Instruction cache reset
+#define STM32F4_FLASH_ACR_DCEN    BSP_BIT32(10) // Data cache enable
+#define STM32F4_FLASH_ACR_ICEN    BSP_BIT32(9)  // Instruction cache enable
+#define STM32F4_FLASH_ACR_PRFTEN  BSP_BIT32(8)  // Prefetch enable
+#define STM32F4_FLASH_ACR_LATENCY(val)  BSP_FLD32(val, 0, 2)  // Flash access latency
+#define STM32F4_FLASH_ACR_LATENCY_GET(reg)  BSP_FLD32GET(reg, 0, 2)
+#define STM32F4_FLASH_ACR_LATENCY_SET(reg, val) BSP_FLD32SET(reg, val, 0, 2)
+
+  uint32_t keyr;  // Key register
+#define STM32F4_FLASH_KEYR_KEY1 0x45670123
+#define STM32F4_FLASH_KEYR_KEY2 0xCDEF89AB
+
+  uint32_t optkeyr; // Option key register
+#define STM32F4_FLASH_OPTKEYR_OPTKEY1 0x08192A3B
+#define STM32F4_FLASH_OPTKEYR_OPTKEY2 0x4C5D6E7F
+
+  uint32_t sr;    // Status register
+#define STM32F4_FLASH_SR_BSY    BSP_BIT32(16) // Busy
+#define STM32F4_FLASH_SR_PGSERR BSP_BIT32(7)  // Programming sequence error
+#define STM32F4_FLASH_SR_PGPERR BSP_BIT32(6)  // Programming parallelism error
+#define STM32F4_FLASH_SR_PGAERR BSP_BIT32(5)  // Programming alignment error
+#define STM32F4_FLASH_SR_WRPERR BSP_BIT32(4)  // Write protection error
+#define STM32F4_FLASH_SR_OPERR  BSP_BIT32(1)  // Operation error
+#define STM32F4_FLASH_SR_EOP    BSP_BIT32(0)  // End of operation
+
+  uint32_t cr;    // Control register
+#define STM32F4_FLASH_CR_LOCK   BSP_BIT32(31) // Lock
+#define STM32F4_FLASH_CR_ERRIE  BSP_BIT32(25) // Error interrupt enable
+#define STM32F4_FLASH_CR_EOPIE  BSP_BIT32(24) // End of operation interrupt enable
+#define STM32F4_FLASH_CR_STRT   BSP_BIT32(16) // Start
+#define STM32F4_FLASH_CR_PSIZE(val) BSP_FLD32(val, 8, 9)  // Program size
+#define STM32F4_FLASH_CR_PSIZE_GET(reg) BSP_FLD32GET(reg, 8, 9)
+#define STM32F4_FLASH_CR_PSIZE_SET(reg, val)  BSP_FLD32SET(reg, val, 8, 9)
+#define STM32F4_FLASH_CR_SNB  BSP_FLD32(val, 3, 6)  // Sector number
+#define STM32F4_FLASH_CR_SNB_GET(reg) BSP_FLD32GET(reg, 3, 6)
+#define STM32F4_FLASH_CR_SNB_SET(reg, val)  BSP_FLD32SET(reg, val, 3, 6)
+#define STM32F4_FLASH_CR_MER    BSP_BIT32(2)  // Mass erase
+#define STM32F4_FLASH_CR_SER    BSP_BIT32(1)  // Sector erase
+#define STM32F4_FLASH_CR_PG     BSP_BIT32(0)  // Programming
+
+  uint32_t optcr;   // Option control register
+#define STM32F4_FLASH_OPTCR_NWRP(val) BSP_FLD32(val, 16, 27)  // Not write protect
+#define STM32F4_FLASH_OPTCR_NWRP_GET(reg) BSP_FLD32GET(reg, 16, 27)
+#define STM32F4_FLASH_OPTCR_NWRP_SET(reg, val)  BSP_FLD32SET(reg, val, 16, 27)
+#define STM32F4_FLASH_OPTCR_RDP(val)  BSP_FLD32(val, 8, 15) // Read protect
+#define STM32F4_FLASH_OPTCR_RDP_GET(reg)  BSP_FLD32GET(reg, 8, 15)
+#define STM32F4_FLASH_OPTCR_RDP_SET(reg, val) BSP_FLD32SET(reg, val, 8, 15)
+#define STM32F4_FLASH_OPTCR_USER(val) BSP_FLD32(val, 5, 7)  // User option bytes
+#define STM32F4_FLASH_OPTCR_USER_GET(reg) BSP_FLD32GET(reg, 5, 7)
+#define STM32F4_FLASH_OPTCR_USER_SET(reg, val)  BSP_FLD32SET(reg, val, 5, 7)
+#define STM32F4_FLASH_OPTCR_BOR_LEVEL(val)  BSP_FLD32(val, 2, 3)  // BOR reset level
+#define STM32F4_FLASH_OPTCR_BOR_LEVEL_GET(reg)  BSP_FLD32GET(reg, 2, 3)
+#define STM32F4_FLASH_OPTCR_BOR_LEVEL_SET(reg, val) BSP_FLD32SET(reg, val, 2, 3)
+#define STM32F4_FLASH_CR_OPTSTRT  BSP_BIT32(1)  // Option start
+#define STM32F4_FLASH_CR_OPTLOCK  BSP_BIT32(0)  // Option lock
+
+} __attribute__ ((packed));
+typedef struct stm32f4_flash_s stm32f4_flash;
 
-typedef struct {
-  uint32_t acr;
-  uint32_t keyr;
-  uint32_t optkeyr;
-  uint32_t sr;
-  uint32_t cr;
-  uint32_t optcr;
-  uint32_t optcr1;
-} stm32f4_flash;
-
-/** @} */
-
-#define FLASH_ACR_LATENCY( val ) BSP_FLD32( val, 0, 3 )
-#define FLASH_ACR_LATENCY_MSK BSP_MSK32( 0, 3 )
-#define FLASH_ACR_PRFTEN BSP_BIT32( 8 )
-#define FLASH_ACR_ICEN BSP_BIT32( 9 )
-#define FLASH_ACR_DCEN BSP_BIT32( 10 )
-#define FLASH_ACR_ICRST BSP_BIT32( 11 )
-#define FLASH_ACR_DCRST BSP_BIT32( 12 )
-
-#endif /* LIBBSP_ARM_STM32F4_STM32F4XXXX_FLASH_H */
\ No newline at end of file
+#endif /* LIBBSP_ARM_STM32F4_STM32F4XXXX_FLASH_H */
diff --git a/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_otgfs.h b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_otgfs.h
new file mode 100755
index 0000000000..49beadc7af
--- /dev/null
+++ b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_otgfs.h
@@ -0,0 +1,445 @@
+/*
+ * Copyright (c) 2013 Chris Nott.  All rights reserved.
+ *
+ *  Virtual Logic
+ *  21-25 King St.
+ *  Rockdale NSW 2216
+ *  Australia
+ *  <rtems@vl.com.au>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef LIBBSP_ARM_STM32F4_STM32F4XXXX_OTGFS_H
+#define LIBBSP_ARM_STM32F4_STM32F4XXXX_OTGFS_H
+
+#include <bsp/utility.h>
+
+#define USB_OTG_NUM_EPS 4
+#define USB_OTG_MAX_TX_FIFOS 4
+
+#define USB_FIFO_BASE 0x1000
+#define USB_FIFO_OFFS 0x1000
+
+struct stm32f4_otgfs_s {
+  uint32_t gotgctl; // 0x00: Control and status register
+#define STM32F4_OTGFS_GOTGCTL_BSVLD     BSP_BIT32(19) // B-session valid
+#define STM32F4_OTGFS_GOTGCTL_ASVLD     BSP_BIT32(18) // A-session valid
+#define STM32F4_OTGFS_GOTGCTL_DBCT      BSP_BIT32(17) // Debounce time
+#define STM32F4_OTGFS_GOTGCTL_CIDSTS    BSP_BIT32(16) // Connector ID status
+#define STM32F4_OTGFS_GOTGCTL_DHNPEN    BSP_BIT32(11) // Device HNP enable
+#define STM32F4_OTGFS_GOTGCTL_HSHNPEN   BSP_BIT32(10) // Host set HNP enable
+#define STM32F4_OTGFS_GOTGCTL_HNPRQ     BSP_BIT32(9)  // HNP request
+#define STM32F4_OTGFS_GOTGCTL_HNGSCS    BSP_BIT32(8)  // Host negotiation status
+#define STM32F4_OTGFS_GOTGCTL_SRQ       BSP_BIT32(1)  // Session request
+#define STM32F4_OTGFS_GOTGCTL_SRQSCS    BSP_BIT32(0)  // Session request success
+
+  uint32_t gotgint; // 0x04: Interrupt register
+#define STM32F4_OTGFS_GOTGINT_DBCDNE    BSP_BIT32(19) // Debounce done
+#define STM32F4_OTGFS_GOTGINT_ADTOCHG   BSP_BIT32(18) // A-device timeout change
+#define STM32F4_OTGFS_GOTGINT_HNGDET    BSP_BIT32(17) // Host negotiation detected
+#define STM32F4_OTGFS_GOTGINT_HNSSCHG   BSP_BIT32(9)  // Host negotiation success status change
+#define STM32F4_OTGFS_GOTGINT_SRSSCHG   BSP_BIT32(8)  // Session request status change
+#define STM32F4_OTGFS_GOTGINT_SEDET     BSP_BIT32(2)  // Session end detected
+
+  uint32_t gahbcfg; // 0x08: AHB configuration register
+#define STM32F4_OTGFS_GAHBCFG_PTXFELVL  BSP_BIT32(8)  // Periodic txfifo empty level
+#define STM32F4_OTGFS_GAHBCFG_TXFELVL   BSP_BIT32(7)  // Txfifo empty level
+#define STM32F4_OTGFS_GAHBCFG_GINTMSK   BSP_BIT32(0)  // Global interrupt mask
+
+  uint32_t gusbcfg; // 0x0C: USB configuration register
+#define STM32F4_OTGFS_GUSBCFG_CTXPKT    BSP_BIT32(31) // Corrupt TX packet
+#define STM32F4_OTGFS_GUSBCFG_FDMOD     BSP_BIT32(30) // Force device mode
+#define STM32F4_OTGFS_GUSBCFG_FHMOD     BSP_BIT32(29) // Force host mode
+#define STM32F4_OTGFS_GUSBCFG_TRDT(val) BSP_FLD32(val, 10, 13)  // USB turnaround time
+#define STM32F4_OTGFS_GUSBCFG_TRDT_GET(reg) BSP_FLD32GET(reg, 10, 13)
+#define STM32F4_OTGFS_GUSBCFG_TRDT_SET(reg, val)  BSP_FLD32SET(reg, val, 10, 13)
+#define STM32F4_OTGFS_GUSBCFG_HNPCAP    BSP_BIT32(9)  // HNP-capable
+#define STM32F4_OTGFS_GUSBCFG_SRPCAP    BSP_BIT32(8)  // SRP-capable
+#define STM32F4_OTGFS_GUSBCFG_PHYSEL    BSP_BIT32(6)  // Full speed serial transceiver select
+#define STM32F4_OTGFS_GUSBCFG_TOCAL(val)  BSP_FLD32(val, 0, 2)  // FS timeout calibration
+#define STM32F4_OTGFS_GUSBCFG_TOCAL_GET(reg)  BSP_FLD32GET(reg, 0, 2)
+#define STM32F4_OTGFS_GUSBCFG_TOCAL_SET(reg, val) BSP_FLD32SET(reg, val, 0, 2)
+
+  uint32_t grstctl; // 0x10: Reset register
+#define STM32F4_OTGFS_GRSTCTL_AHBIDL    BSP_BIT32(31) // AHB master idle
+#define STM32F4_OTGFS_GRSTCTL_TXFNUM(val) BSP_FLD32(val, 6, 10) // Tx fifo number
+#define STM32F4_OTGFS_GRSTCTL_TXFNUM_GET(reg) BSP_FLD32GET(reg, 6, 10)
+#define STM32F4_OTGFS_GRSTCTL_TXFNUM_SET(reg, val)  BSP_FLD32SET(reg, val, 6, 10)
+#define STM32F4_OTGFS_GRSTCTL_TXFNUM_ALL  STM32F4_OTGFS_GRSTCTL_TXFNUM(0x10)
+#define STM32F4_OTGFS_GRSTCTL_TXFFLSH   BSP_BIT32(5)  // TX fifo flush
+#define STM32F4_OTGFS_GRSTCTL_RXFFLSH   BSP_BIT32(4)  // RX fifo flush
+#define STM32F4_OTGFS_GRSTCTL_FCRST     BSP_BIT32(2)  // Host frame counter reset
+#define STM32F4_OTGFS_GRSTCTL_HSRST     BSP_BIT32(1)  // HCLK soft reset
+#define STM32F4_OTGFS_GRSTCTL_CSRST     BSP_BIT32(0)  // Core soft reset
+
+  uint32_t gintsts; // 0x14: Core interrupt register
+#define STM32F4_OTGFS_GINTSTS_WKUPINT   BSP_BIT32(31) // Resume / remote wakeup detected interrupt
+#define STM32F4_OTGFS_GINTSTS_SRQINT    BSP_BIT32(30) // Session request / new session detected interrupt
+#define STM32F4_OTGFS_GINTSTS_DISCINT   BSP_BIT32(29) // Disconnect detected interrupt
+#define STM32F4_OTGFS_GINTSTS_CIDSCHG   BSP_BIT32(28) // Connector ID status change
+#define STM32F4_OTGFS_GINTSTS_PTXFE     BSP_BIT32(26) // Periodic TX fifo empty
+#define STM32F4_OTGFS_GINTSTS_HCINT     BSP_BIT32(25) // Host channels interrupt
+#define STM32F4_OTGFS_GINTSTS_HPRTINT   BSP_BIT32(24) // Host port interrupt
+#define STM32F4_OTGFS_GINTSTS_IPXFR     BSP_BIT32(21) // Incomplete periodic transfer
+#define STM32F4_OTGFS_GINTSTS_IISOOXFR  BSP_BIT32(21) // Incomplete isochronous OUT transfer
+#define STM32F4_OTGFS_GINTSTS_IISOIXFR  BSP_BIT32(20) // Incomplete isochronous IN transfer
+#define STM32F4_OTGFS_GINTSTS_OEPINT    BSP_BIT32(19) // OUT endpoint interrupt
+#define STM32F4_OTGFS_GINTSTS_IEPINT    BSP_BIT32(18) // IN endpoint interrupt
+#define STM32F4_OTGFS_GINTSTS_EOPF      BSP_BIT32(15) // End of periodic frame interrupt
+#define STM32F4_OTGFS_GINTSTS_ISOODRP   BSP_BIT32(14) // Isochronous OUT packet dropped interrupt
+#define STM32F4_OTGFS_GINTSTS_ENUMDNE   BSP_BIT32(13) // Enumeration done
+#define STM32F4_OTGFS_GINTSTS_USBRST    BSP_BIT32(12) // USB reset
+#define STM32F4_OTGFS_GINTSTS_USBSUSP   BSP_BIT32(11) // USB suspend
+#define STM32F4_OTGFS_GINTSTS_ESUSP     BSP_BIT32(10) // Early suspend
+#define STM32F4_OTGFS_GINTSTS_GONAKEFF  BSP_BIT32(7)  // Global OUT NAK effective
+#define STM32F4_OTGFS_GINTSTS_GINAKEFF  BSP_BIT32(6)  // Global IN non-periodic NAK effective
+#define STM32F4_OTGFS_GINTSTS_NPTXFE    BSP_BIT32(5)  // Non-periodic TX fifo empty
+#define STM32F4_OTGFS_GINTSTS_RXFLVL    BSP_BIT32(4)  // RX fifo non-empty
+#define STM32F4_OTGFS_GINTSTS_SOF       BSP_BIT32(3)  // Start of frame
+#define STM32F4_OTGFS_GINTSTS_OTGINT    BSP_BIT32(2)  // OTG interrupt
+#define STM32F4_OTGFS_GINTSTS_MMIS      BSP_BIT32(1)  // Mode mismatch interrupt
+#define STM32F4_OTGFS_GINTSTS_CMOD      BSP_BIT32(0)  // Current mode of operation
+
+  uint32_t gintmsk; // 0x18: Interrupt mask register
+
+  uint32_t grxstsr; // 0x1C: Receive status debug read
+
+  uint32_t grxstsp; // 0x20: OTG status read and pop
+#define STM32F4_OTGFS_GRXSTSP_FRMNUM(val) BSP_FLD32(val, 21, 24)  // Frame number
+#define STM32F4_OTGFS_GRXSTSP_FRMNUM_GET(reg) BSP_FLD32GET(reg, 21, 24)
+#define STM32F4_OTGFS_GRXSTSP_FRMNUM_SET(reg, val)  BSP_FLD32SET(reg, val, 21, 24)
+#define STM32F4_OTGFS_GRXSTSP_PKTSTS(val) BSP_FLD32(val, 17, 20)  // Packet status
+#define STM32F4_OTGFS_GRXSTSP_PKTSTS_GET(reg) BSP_FLD32GET(reg, 17, 20)
+#define STM32F4_OTGFS_GRXSTSP_PKTSTS_SET(reg, val)  BSP_FLD32SET(reg, val, 17, 20)
+#define PKTSTS_IN_DATA  (0x2)
+#define PKTSTS_IN_COMPLETE  (0x3)
+#define PKTSTS_TOGGLE_ERR (0x5)
+#define PKTSTS_HALTED (0x7)
+#define PKTSTS_OUTNAK (0x1)
+#define PKTSTS_OUT_DATA (0x2)
+#define PKTSTS_OUT_COMPLETE (0x3)
+#define PKTSTS_SETUP_COMPLETE (0x4)
+#define PKTSTS_SETUP_DATA (0x6)
+#define STM32F4_OTGFS_GRXSTSP_DPIG(val) BSP_FLD32(val, 15, 16)  // Data PID
+#define STM32F4_OTGFS_GRXSTSP_DPID_GET(reg) BSP_FLD32GET(reg, 15, 16)
+#define STM32F4_OTGFS_GRXSTSP_DPID_SET(reg, val)  BSP_FLD32SET(reg, val, 15, 16)
+#define STM32F4_OTGFS_GRXSTSP_DPID_DATA0  STM32F4_OTGFS_GRXSTSP_PKTSTS(0x0)
+#define STM32F4_OTGFS_GRXSTSP_DPID_DATA1  STM32F4_OTGFS_GRXSTSP_PKTSTS(0x1)
+#define STM32F4_OTGFS_GRXSTSP_DPID_DATA2  STM32F4_OTGFS_GRXSTSP_PKTSTS(0x2)
+#define STM32F4_OTGFS_GRXSTSP_DPID_MDATA0 STM32F4_OTGFS_GRXSTSP_PKTSTS(0x3)
+#define STM32F4_OTGFS_GRXSTSP_BCNT(val) BSP_FLD32(val, 4, 14) // Byte count
+#define STM32F4_OTGFS_GRXSTSP_BCNT_GET(reg) BSP_FLD32GET(reg, 4, 14)
+#define STM32F4_OTGFS_GRXSTSP_BCNT_SET(reg, val)  BSP_FLD32SET(reg, val, 4, 14)
+#define STM32F4_OTGFS_GRXSTSP_CHNUM(val)  BSP_FLD32(val, 0, 3)  // Channel number
+#define STM32F4_OTGFS_GRXSTSP_CHNUM_GET(reg)  BSP_FLD32GET(reg, 0, 3)
+#define STM32F4_OTGFS_GRXSTSP_CHNUM_SET(reg, val) BSP_FLD32SET(reg, val, 0, 3)
+#define STM32F4_OTGFS_GRXSTSP_EPNUM(val)  BSP_FLD32(val, 0, 3)  // Endpoint number
+#define STM32F4_OTGFS_GRXSTSP_EPNUM_GET(reg)  BSP_FLD32GET(reg, 0, 3)
+#define STM32F4_OTGFS_GRXSTSP_EPNUM_SET(reg, val) BSP_FLD32SET(reg, val, 0, 3)
+
+  uint32_t grxfsiz; // 0x24: Receive FIFO size register
+#define STM32F4_OTGFS_GRXFSIZ_RXFD(val) BSP_FLD32(val, 0, 15)
+#define STM32F4_OTGFS_GRXFSIZ_RXFD_GET(reg) BSP_FLD32GET(reg, 0, 15)
+#define STM32F4_OTGFS_GRXFSIZ_RXFD_SET(reg, val)  BSP_FLD32SET(reg, val, 0, 15)
+#define STM32F4_OTGFS_GRXFSIZ_RXFD_MIN 16
+#define STM32F4_OTGFS_GRXFSIZ_RXFD_MAX 256
+
+  uint32_t dieptxf0; // 0x28: EP 0 transmit fifo size
+#define STM32F4_OTGFS_DIEPTXF_DEPTH(val)  BSP_FLD32(val, 16, 31)
+#define STM32F4_OTGFS_DIEPTXF_DEPTH_GET(reg)  BSP_FLD32GET(reg, 16, 31)
+#define STM32F4_OTGFS_DIEPTXF_DEPTH_SET(reg, val) BSP_FLD32SET(reg, val, 16, 31)
+#define STM32F4_OTGFS_DIEPTXF_DEPTH_MIN 16
+#define STM32F4_OTGFS_DIEPTXF_DEPTH_MAX 256
+#define STM32F4_OTGFS_DIEPTXF_SADDR(val)  BSP_FLD32(val, 0, 15)
+#define STM32F4_OTGFS_DIEPTXF_SADDR_GET(reg)  BSP_FLD32GET(reg, 0, 15)
+#define STM32F4_OTGFS_DIEPTXF_SADDR_SET(reg, val) BSP_FLD32SET(reg, val, 0, 15)
+
+  uint32_t resv2C;
+
+  uint32_t gi2cctl; // 0x30
+  uint32_t resv34;  // 0x34
+
+  uint32_t gccfg; // 0x38: General core configuration register
+#define STM32F4_OTGFS_GCCFG_NOVBUSSENS  BSP_BIT32(21) // Vbus sensing disable
+#define STM32F4_OTGFS_GCCFG_SOFOUTEN  BSP_BIT32(20) // SOF output enable
+#define STM32F4_OTGFS_GCCFG_VBUSBSEN  BSP_BIT32(19) // Vbus sensing "B" device
+#define STM32F4_OTGFS_GCCFG_VBUSASEN  BSP_BIT32(18) // Vbus sensing "A" device
+#define STM32F4_OTGFS_GCCFG_PWRDWN    BSP_BIT32(16) // Power down
+
+  uint32_t cid; // 0x3C: Product ID
+
+  uint32_t resv40[48];  // 0x40 - 0x9C
+
+  uint32_t hptxfsiz;  // 0x100
+
+  uint32_t dieptxf[USB_OTG_MAX_TX_FIFOS]; // 0x104
+
+} __attribute__ ((packed));
+typedef struct stm32f4_otgfs_s stm32f4_otgfs;
+
+struct stm32f4_otgfs_dregs_s {
+  uint32_t dcfg;  // 0x800
+#define STM32F4_OTGFS_DCFG_PFIVL(val) BSP_FLD32(val, 11, 12)  // Periodic frame interval
+#define STM32F4_OTGFS_DCFG_PFIVL_GET(reg) BSP_FLD32GET(reg, 11, 12)
+#define STM32F4_OTGFS_DCFG_PFIVL_SET(reg, val)  BSP_FLD32SET(reg, val, 11, 12)
+#define PFIVL_80 0
+#define PFIVL_85 1
+#define PFIVL_90 2
+#define PFIVL_95 3
+#define STM32F4_OTGFS_DCFG_DAD(val) BSP_FLD32(val, 4, 10) // Device address
+#define STM32F4_OTGFS_DCFG_DAD_GET(reg) BSP_FLD32GET(reg, 4, 10)
+#define STM32F4_OTGFS_DCFG_DAD_SET(reg, val)  BSP_FLD32SET(reg, val, 4, 10)
+#define STM32F4_OTGFS_DCFG_NZLSOHSK BSP_BIT32(2)  // Non-zero-length status OUT handshake
+#define STM32F4_OTGFS_DCFG_DSPD(val)  BSP_FLD32(val, 0, 1)  // Device speed
+#define STM32F4_OTGFS_DCFG_DSPD_GET(reg)  BSP_FLD32GET(reg, 0, 1)
+#define STM32F4_OTGFS_DCFG_DSPD_SET(reg, val) BSP_FLD32SET(reg, val, 0, 1)
+#define STM32F4_OTGFS_DCFG_DSPD_FULL STM32F4_OTGFS_DCFG_DSPD(0x3)
+
+  uint32_t dctl;  // 0x804
+#define STM32F4_OTGFS_DCTL_POPRGDNE   BSP_BIT32(11) // Power-on programming done
+#define STM32F4_OTGFS_DCTL_CGONAK     BSP_BIT32(10) // Clear global OUT NAK
+#define STM32F4_OTGFS_DCTL_SGONAK     BSP_BIT32(9)  // Set global OUT NAK
+#define STM32F4_OTGFS_DCTL_CGINAK     BSP_BIT32(8)  // Clear global IN NAK
+#define STM32F4_OTGFS_DCTL_SGINAK     BSP_BIT32(7)  // Set global IN NAK
+#define STM32F4_OTGFS_DCTL_TCTL(val)  BSP_FLD32(val, 4, 6)  // Test control
+#define STM32F4_OTGFS_DCTL_TCTL_GET(reg)  BSP_FLD32GET(reg, 4, 6)
+#define STM32F4_OTGFS_DCTL_TCTL_SET(reg, val) BSP_FLD32SET(reg, val, 4, 6)
+#define STM32F4_OTGFS_DCTL_GONSTS     BSP_BIT32(3)  // Global OUT NAK status
+#define STM32F4_OTGFS_DCTL_GINSTS     BSP_BIT32(2)  // Global IN NAK status
+#define STM32F4_OTGFS_DCTL_SDIS       BSP_BIT32(1)  // Soft disconnect
+#define STM32F4_OTGFS_DCTL_RWUSIG     BSP_BIT32(0)  // Remote wakeup signalling
+
+  uint32_t dsts;  // 0x808
+#define STM32F4_OTGFS_DSTS_FNSOF(val) BSP_FLD32(val, 8, 21) // Frame number of received SOF
+#define STM32F4_OTGFS_DSTS_FNSOF_GET(reg) BSP_FLD32GET(reg, 8, 21)
+#define STM32F4_OTGFS_DSTS_EERR       BSP_BIT32(3)  // Erratic error
+#define STM32F4_OTGFS_DSTS_ENUMSPD(val) BSP_FLD32(val, 1, 2)  // Enumerated speed
+#define STM32F4_OTGFS_DSTS_ENUMSPD_GET(reg) BSP_FLD32GET(reg, 1, 2)
+#define STM32F4_OTGFS_DSTS_ENUMSPD_FULL STM32F4_OTGFS_DSTS_ENUMSPD(0x3)
+#define STM32F4_OTGFS_DSTS_SUSPSTS    BSP_BIT32(0)  // Suspend status
+
+  uint32_t unused4; // 0x80C
+
+  uint32_t diepmsk; // 0x810
+
+  uint32_t doepmsk; // 0x814
+
+  uint32_t daint; // 0x818
+#define STM32F4_OTGFS_DAINT_OEPINT15    BSP_BIT32(31) // OUT endpoint 15 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT14    BSP_BIT32(30) // OUT endpoint 14 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT13    BSP_BIT32(29) // OUT endpoint 13 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT12    BSP_BIT32(28) // OUT endpoint 12 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT11    BSP_BIT32(27) // OUT endpoint 11 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT10    BSP_BIT32(26) // OUT endpoint 10 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT9     BSP_BIT32(25) // OUT endpoint 9 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT8     BSP_BIT32(24) // OUT endpoint 8 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT7     BSP_BIT32(23) // OUT endpoint 7 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT6     BSP_BIT32(22) // OUT endpoint 6 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT5     BSP_BIT32(21) // OUT endpoint 5 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT4     BSP_BIT32(20) // OUT endpoint 4 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT3     BSP_BIT32(19) // OUT endpoint 3 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT2     BSP_BIT32(18) // OUT endpoint 2 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT1     BSP_BIT32(17) // OUT endpoint 1 interrupt
+#define STM32F4_OTGFS_DAINT_OEPINT0     BSP_BIT32(16) // OUT endpoint 0 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT15    BSP_BIT32(15) // IN endpoint 15 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT14    BSP_BIT32(14) // IN endpoint 14 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT13    BSP_BIT32(13) // IN endpoint 13 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT12    BSP_BIT32(12) // IN endpoint 12 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT11    BSP_BIT32(11) // IN endpoint 11 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT10    BSP_BIT32(10) // IN endpoint 10 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT9     BSP_BIT32(9)  // IN endpoint 9 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT8     BSP_BIT32(8)  // IN endpoint 8 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT7     BSP_BIT32(7)  // IN endpoint 7 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT6     BSP_BIT32(6)  // IN endpoint 6 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT5     BSP_BIT32(5)  // IN endpoint 5 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT4     BSP_BIT32(4)  // IN endpoint 4 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT3     BSP_BIT32(3)  // IN endpoint 3 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT2     BSP_BIT32(2)  // IN endpoint 2 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT1     BSP_BIT32(1)  // IN endpoint 1 interrupt
+#define STM32F4_OTGFS_DAINT_IEPINT0     BSP_BIT32(0)  // IN endpoint 0 interrupt
+
+  uint32_t daintmsk;  // 0x81C
+#define STM32F4_OTGFS_DAINTMSK_OEPM(val)  BSP_FLD32(val, 16, 31)  // OUT endpoint interrupt mask
+#define STM32F4_OTGFS_DAINTMSK_OEPM_GET(reg)  BSP_FLD32GET(reg, 16, 31)
+#define STM32F4_OTGFS_DAINTMSK_OEPM_SET(reg, val) BSP_FLD32SET(reg, val, 16, 31)
+#define STM32F4_OTGFS_DAINTMSK_IEPM(val)  BSP_FLD32(val, 0, 15) // IN endpoint interrupt mask
+#define STM32F4_OTGFS_DAINTMSK_IEPM_GET(reg)  BSP_FLD32GET(reg, 0, 15)
+#define STM32F4_OTGFS_DAINTMSK_IEPM_SET(reg, val) BSP_FLD32SET(reg, val, 0, 15)
+
+  uint32_t unused5[2];  // 0x820 - 0x824
+
+  uint32_t dvbusdis;  // 0x828
+#define STM32F4_OTGFS_DVBUSDIS_VBUSDT(val)  BSP_FLD32(val, 0, 15) // Device Vbus discharge time
+#define STM32F4_OTGFS_DVBUSDIS_VBUSDT_GET(reg)  BSP_FLD32GET(reg, 0, 15)
+#define STM32F4_OTGFS_DVBUSDIS_VBUSDT_SET(reg, val) BSP_FLD32SET(reg, val, 0, 15)
+
+  uint32_t dvbuspulse;  // 0x82C
+#define STM32F4_OTGFS_DVBUSPULSE_DVBUSP(val)  BSP_FLD32(val, 0, 15) // Device Vbus pulsing time
+#define STM32F4_OTGFS_DVBUSPULSE_DVBUSP_GET(reg)  BSP_FLD32GET(reg, 0, 15)
+#define STM32F4_OTGFS_DVBUSPULSE_DVBUSP_SET(reg, val) BSP_FLD32SET(reg, val, 0, 15)
+
+  uint32_t unused6; // 0x830
+
+  uint32_t diepempmsk;  // 0x834
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM15  BSP_BIT32(15) // IN endpoint 15 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM14  BSP_BIT32(14) // IN endpoint 14 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM13  BSP_BIT32(13) // IN endpoint 13 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM12  BSP_BIT32(12) // IN endpoint 12 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM11  BSP_BIT32(11) // IN endpoint 11 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM10  BSP_BIT32(10) // IN endpoint 10 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM9   BSP_BIT32(9)  // IN endpoint 9 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM8   BSP_BIT32(8)  // IN endpoint 8 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM7   BSP_BIT32(7)  // IN endpoint 7 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM6   BSP_BIT32(6)  // IN endpoint 6 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM5   BSP_BIT32(5)  // IN endpoint 5 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM4   BSP_BIT32(4)  // IN endpoint 4 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM3   BSP_BIT32(3)  // IN endpoint 3 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM2   BSP_BIT32(2)  // IN endpoint 2 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM1   BSP_BIT32(1)  // IN endpoint 1 TxFIFO empty interrupt mask
+#define STM32F4_OTGFS_DIEPEMPMSK_INEPTXFEM0   BSP_BIT32(0)  // IN endpoint 0 TxFIFO empty interrupt mask
+
+} __attribute__ ((packed));
+typedef struct stm32f4_otgfs_dregs_s stm32f4_otgfs_dregs;
+
+struct stm32f4_otgfs_inepregs_s {
+  uint32_t diepctl;   // 0x900
+#define STM32F4_OTGFS_DIEPCTL_EPENA     BSP_BIT32(31) // Endpoint enable
+#define STM32F4_OTGFS_DIEPCTL_EPDIS     BSP_BIT32(30) // Endpoint disable
+#define STM32F4_OTGFS_DIEPCTL_SODDFRM   BSP_BIT32(29) // Set odd frame
+#define STM32F4_OTGFS_DIEPCTL_SD0PID    BSP_BIT32(28) // Set DATA0 PID / Set even frame
+#define STM32F4_OTGFS_DIEPCTL_SEVNFRM   BSP_BIT32(28) // Set DATA0 PID / Set even frame
+#define STM32F4_OTGFS_DIEPCTL_SNAK      BSP_BIT32(27) // Set NAK
+#define STM32F4_OTGFS_DIEPCTL_CNAK      BSP_BIT32(26) // Clear NAK
+#define STM32F4_OTGFS_DIEPCTL_TXFNUM(val) BSP_FLD32(val, 22, 25)  // TxFIFO number
+#define STM32F4_OTGFS_DIEPCTL_TXFNUM_GET(reg) BSP_FLD32GET(reg, 22, 25)
+#define STM32F4_OTGFS_DIEPCTL_TXFNUM_SET(reg, val)  BSP_FLD32SET(reg, val, 22, 25)
+#define STM32F4_OTGFS_DIEPCTL_STALL     BSP_BIT32(21) // Stall handshake
+#define STM32F4_OTGFS_DIEPCTL_EPTYP(val)  BSP_FLD32(val, 18, 19)  // Endpoint type - 00 = Control, 01 = Isoch, 10 = Bulk, 11 = Interrupt
+#define STM32F4_OTGFS_DIEPCTL_EPTYP_GET(reg)  BSP_FLD32GET(reg, 18, 19)
+#define STM32F4_OTGFS_DIEPCTL_EPTYP_SET(reg, val) BSP_FLD32SET(reg, val, 18, 19)
+#define EPTYPE_CTRL 0
+#define EPTYPE_ISOC 1
+#define EPTYPE_BULK 2
+#define EPTYPE_INTR 3
+#define STM32F4_OTGFS_DIEPCTL_NAKSTS    BSP_BIT32(17) // NAK status
+#define STM32F4_OTGFS_DIEPCTL_EONUM_DPID  BSP_BIT32(16) // Data PID / Even/odd frame
+#define STM32F4_OTGFS_DIEPCTL_USBAEP    BSP_BIT32(15) // USB active endpoint
+#define STM32F4_OTGFS_DIEPCTL_EP0_MPSIZ(val)  BSP_FLD32(val, 0, 1)  // Maximum packet size (bytes)
+#define STM32F4_OTGFS_DIEPCTL_EP0_MPSIZ_GET(reg)  BSP_FLD32GET(reg, 0, 1)
+#define STM32F4_OTGFS_DIEPCTL_EP0_MPSIZ_SET(reg, val) BSP_FLD32SET(reg, val, 0, 1)
+#define EP0_MPSIZ_8   3
+#define EP0_MPSIZ_16  2
+#define EP0_MPSIZ_32  1
+#define EP0_MPSIZ_64  0
+#define STM32F4_OTGFS_DIEPCTL_EP0_MPSIZ_8 STM32F4_OTGFS_DIEPCTL_MPSIZ(EP0_MPSIZ_8)
+#define STM32F4_OTGFS_DIEPCTL_EP0_MPSIZ_16  STM32F4_OTGFS_DIEPCTL_MPSIZ(EP0_MPSIZ_16)
+#define STM32F4_OTGFS_DIEPCTL_EP0_MPSIZ_32  STM32F4_OTGFS_DIEPCTL_MPSIZ(EP0_MPSIZ_32)
+#define STM32F4_OTGFS_DIEPCTL_EP0_MPSIZ_64  STM32F4_OTGFS_DIEPCTL_MPSIZ(EP0_MPSIZ_64)
+#define STM32F4_OTGFS_DIEPCTL_MPSIZ(val)  BSP_FLD32(val, 0, 10) // Maximum packet size (bytes)
+#define STM32F4_OTGFS_DIEPCTL_MPSIZ_GET(reg)  BSP_FLD32GET(reg, 0, 10)
+#define STM32F4_OTGFS_DIEPCTL_MPSIZ_SET(reg, val) BSP_FLD32SET(reg, val, 0, 10)
+
+  uint32_t reserved_04;
+
+  uint32_t diepint;   // 0x908
+#define STM32F4_OTGFS_DIEPINT_TXFE      BSP_BIT32(7)  // Transmit FIFO empty
+#define STM32F4_OTGFS_DIEPINT_INEPNE    BSP_BIT32(6)  // IN endpoint NAK effective
+#define STM32F4_OTGFS_DIEPINT_ITTXFE    BSP_BIT32(4)  // IN token received, TxFIFO empty
+#define STM32F4_OTGFS_DIEPINT_TOC       BSP_BIT32(3)  // Timeout condition
+#define STM32F4_OTGFS_DIEPINT_EPDISD    BSP_BIT32(1)  // Endpoint disabled
+#define STM32F4_OTGFS_DIEPINT_XFRC      BSP_BIT32(0)  // Transfer complete
+
+  uint32_t reserved_0C;
+
+  uint32_t dieptsiz;  // 0x910
+#define STM32F4_OTGFS_DIEPTSIZ_EP0_PKTCNT(val)  BSP_FLD32(val, 19, 20)  // EP0 packet count
+#define STM32F4_OTGFS_DIEPTSIZ_EP0_PKTCNT_GET(reg)  BSP_FLD32GET(reg, 19, 20)
+#define STM32F4_OTGFS_DIEPTSIZ_EP0_PKTCNT_SET(reg, val) BSP_FLD32SET(reg, val, 19, 20)
+#define STM32F4_OTGFS_DIEPTSIZ_EP0_XFRSIZ(val)  BSP_FLD32(val, 0, 6)  // EP0 transfer size
+#define STM32F4_OTGFS_DIEPTSIZ_EP0_XFRSIZ_GET(reg)  BSP_FLD32GET(reg, 0, 6)
+#define STM32F4_OTGFS_DIEPTSIZ_EP0_XFRSIZ_SET(reg, val) BSP_FLD32SET(reg, val, 0, 6)
+#define STM32F4_OTGFS_DIEPTSIZ_MCNT(val)  BSP_FLD32(val, 29, 30)  // Multi count
+#define STM32F4_OTGFS_DIEPTSIZ_MCNT_GET(reg)  BSP_FLD32GET(reg, 29, 30)
+#define STM32F4_OTGFS_DIEPTSIZ_MCNT_SET(reg, val) BSP_FLD32SET(reg, val, 29, 30)
+#define STM32F4_OTGFS_DIEPTSIZ_PKTCNT(val)  BSP_FLD32(val, 19, 28)  // Packet count
+#define STM32F4_OTGFS_DIEPTSIZ_PKTCNT_GET(reg)  BSP_FLD32GET(reg, 19, 28)
+#define STM32F4_OTGFS_DIEPTSIZ_PKTCNT_SET(reg, val) BSP_FLD32SET(reg, val, 19, 28)
+#define STM32F4_OTGFS_DIEPTSIZ_XFRSIZ(val)  BSP_FLD32(val, 0, 18) // Transfer size
+#define STM32F4_OTGFS_DIEPTSIZ_XFRSIZ_GET(reg)  BSP_FLD32GET(reg, 0, 18)
+#define STM32F4_OTGFS_DIEPTSIZ_XFRSIZ_SET(reg, val) BSP_FLD32SET(reg, val, 0, 18)
+
+  uint32_t reserved_14;
+
+  uint32_t dtxfsts;   // 0x918
+#define STM32F4_OTGFS_DTXFSTS_INEPTFSAV(val)  BSP_FLD32(val, 0, 15) // IN endpoint TxFIFO space available
+#define STM32F4_OTGFS_DTXFSTS_INEPTFSAV_GET(reg)  BSP_FLD32(reg, 0, 15)
+#define STM32F4_OTGFS_DTXFSTS_INEPTFSAV_SET(reg, val) BSP_FLD32SET(reg, val, 0, 15)
+
+  uint32_t reserved_1C;
+
+} __attribute__ ((packed));
+typedef struct stm32f4_otgfs_inepregs_s stm32f4_otgfs_inepregs;
+
+struct stm32f4_otgfs_outepregs_s {
+  uint32_t doepctl; // 0xBx0: Endpoint control register
+#define STM32F4_OTGFS_DOEPCTL_EPENA     BSP_BIT32(31) // Endpoint enable
+#define STM32F4_OTGFS_DOEPCTL_EPDIS     BSP_BIT32(30) // Endpoint disable
+#define STM32F4_OTGFS_DOEPCTL_SD1PID    BSP_BIT32(29) // Set DATA1 PID / Set odd frame
+#define STM32F4_OTGFS_DOEPCTL_SD0PID    BSP_BIT32(28) // Set DATA0 PID / Set even frame
+#define STM32F4_OTGFS_DOEPCTL_SNAK      BSP_BIT32(27) // Set NAK
+#define STM32F4_OTGFS_DOEPCTL_CNAK      BSP_BIT32(26) // Clear NAK
+#define STM32F4_OTGFS_DOEPCTL_STALL     BSP_BIT32(21) // Stall handshake
+#define STM32F4_OTGFS_DOEPCTL_SNPM      BSP_BIT32(20) // Snoop mode
+#define STM32F4_OTGFS_DOEPCTL_EPTYP(val)  BSP_FLD32(val, 18, 19)  // Endpoint type - 00 = Control, 01 = Isoch, 10 = Bulk, 11 = Interrupt
+#define STM32F4_OTGFS_DOEPCTL_EPTYP_GET(reg)  BSP_FLD32GET(reg, 18, 19)
+#define STM32F4_OTGFS_DOEPCTL_EPTYP_SET(reg, val) BSP_FLD32SET(reg, val, 18, 19)
+#define STM32F4_OTGFS_DOEPCTL_NAKSTS    BSP_BIT32(17) // NAK status
+#define STM32F4_OTGFS_DOEPCTL_EONUM_DPID  BSP_BIT32(16) // Data PID / Even/odd frame
+#define STM32F4_OTGFS_DOEPCTL_USBAEP    BSP_BIT32(15) // USB active endpoint
+#define STM32F4_OTGFS_DOEPCTL_MPSIZ(val)  BSP_FLD32(val, 0, 10) // Maximum packet size (bytes)
+#define STM32F4_OTGFS_DOEPCTL_MPSIZ_GET(reg)  BSP_FLD32GET(reg, 0, 10)
+#define STM32F4_OTGFS_DOEPCTL_MPSIZ_SET(reg, val) BSP_FLD32SET(reg, val, 0, 10)
+
+  uint32_t resv04;
+
+  uint32_t doepint; // 0xBx8: Endpoint interrupt register
+#define STM32F4_OTGFS_DOEPINT_B2BSTUP   BSP_BIT32(6)  // Back-to-back SETUP packets received
+#define STM32F4_OTGFS_DOEPINT_OTEPDIS   BSP_BIT32(4)  // OUT token received when endpoint disabled
+#define STM32F4_OTGFS_DOEPINT_STUP      BSP_BIT32(3)  // SETUP phase done
+#define STM32F4_OTGFS_DOEPINT_EPDISD    BSP_BIT32(1)  // Endpoint disabled interrupt
+#define STM32F4_OTGFS_DOEPINT_XFRC      BSP_BIT32(0)  // Transfer complete
+
+  uint32_t doeptsiz;  // 0xBy0
+#define STM32F4_OTGFS_DOEPTSIZ_EP0_STUPCNT(val) BSP_FLD32(val, 29, 30)  // EP0 SETUP packet count
+#define STM32F4_OTGFS_DOEPTSIZ_EP0_STUPCNT_GET(reg) BSP_FLD32GET(reg, 29, 30)
+#define STM32F4_OTGFS_DOEPTSIZ_EP0_STUPCNT_SET(reg, val)  BSP_FLD32SET(reg, val, 29, 30)
+#define STM32F4_OTGFS_DOEPTSIZ_EP0_PKTCNT   BSP_BIT32(19) // EP0 packet count
+#define STM32F4_OTGFS_DOEPTSIZ_EP0_XFRSIZ(val)  BSP_FLD32(val, 0, 6)  // EP0 transfer size
+#define STM32F4_OTGFS_DOEPTSIZ_EP0_XFRSIZ_GET(reg)  BSP_FLD32GET(reg, 0, 6)
+#define STM32F4_OTGFS_DOEPTSIZ_EP0_XFRSIZ_SET(reg, val) BSP_FLD32SET(reg, val, 0, 6)
+#define STM32F4_OTGFS_DOEPTSIZ_RXDPID(val)  BSP_FLD32(val, 29, 30)  // Received data PID
+#define STM32F4_OTGFS_DOEPTSIZ_RXDPID_GET(reg)  BSP_FLD32GET(reg, 29, 30)
+#define STM32F4_OTGFS_DOEPTSIZ_RXDPID_SET(reg, val) BSP_FLD32SET(reg, val, 29, 30)
+#define STM32F4_OTGFS_DOEPTSIZ_PKTCNT(val)  BSP_FLD32(val, 19, 28)  // Packet count
+#define STM32F4_OTGFS_DOEPTSIZ_PKTCNT_GET(reg)  BSP_FLD32GET(reg, 19, 28)
+#define STM32F4_OTGFS_DOEPTSIZ_PKTCNT_SET(reg, val) BSP_FLD32SET(reg, val, 19, 28)
+#define STM32F4_OTGFS_DOEPTSIZ_XFRSIZ(val)  BSP_FLD32(val, 0, 18) // Transfer size
+#define STM32F4_OTGFS_DOEPTSIZ_XFRSIZ_GET(reg)  BSP_FLD32GET(reg, 0, 18)
+#define STM32F4_OTGFS_DOEPTSIZ_XFRSIZ_SET(reg, val) BSP_FLD32SET(reg, val, 0, 18)
+
+  uint32_t resv14[3];
+} __attribute__ ((packed));
+typedef struct stm32f4_otgfs_outepregs_s stm32f4_otgfs_outepregs;
+
+struct stm32f4_otgfs_pwrctlregs_s {
+  uint32_t pcgcctl;   // 0xE00: Power and clock gating control register
+#define STM32F4_OTGFS_PCGCCTL_PHYSUSP   BSP_BIT32(4)  // PHY suspend
+#define STM32F4_OTGFS_PCGCCTL_GATEHCLK  BSP_BIT32(1)  // Gate HCLK
+#define STM32F4_OTGFS_PCGCCTL_STPPCLK   BSP_BIT32(0)  // Stop PHY clk
+} __attribute__ ((packed));
+typedef struct stm32f4_otgfs_pwrctlregs_s stm32f4_otgfs_pwrctlregs;
+
+#endif /* LIBBSP_ARM_STM32F4_STM32F4XXXX_OTGFS_H */
diff --git a/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_pwr.h b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_pwr.h
new file mode 100755
index 0000000000..48ed66ddc6
--- /dev/null
+++ b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_pwr.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2013 Chris Nott.  All rights reserved.
+ *
+ *  Virtual Logic
+ *  21-25 King St.
+ *  Rockdale NSW 2216
+ *  Australia
+ *  <rtems@vl.com.au>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef LIBBSP_ARM_STM32F4_STM32F4XXXX_PWR_H
+#define LIBBSP_ARM_STM32F4_STM32F4XXXX_PWR_H
+
+#include <bsp/utility.h>
+
+struct stm32f4_pwr_s {
+
+  uint32_t cr;    // Control register
+#define STM32F4_PWR_CR_VOS        BSP_BIT32(14) // Regulator scaling output selection
+#define STM32F4_PWR_CR_FPDS       BSP_BIT32(9)  // Flash power-down in stop mode
+#define STM32F4_PWR_CR_DBP        BSP_BIT32(8)  // Disable backup domain write protection
+#define STM32F4_PWR_CR_PLS  BSP_FLD32(val, 5, 7)  // PVD level selection
+#define STM32F4_PWR_CR_PLS_GET(reg) BSP_FLD32GET(reg, 5, 7)
+#define STM32F4_PWR_CR_PLS_SET(reg, val)  BSP_FLD32SET(reg, val, 5, 7)
+#define STM32F4_PWR_CR_PVDE       BSP_BIT32(4)  // Power voltage detector enable
+#define STM32F4_PWR_CR_CSBF       BSP_BIT32(3)  // Clear standby flag
+#define STM32F4_PWR_CR_CWUF       BSP_BIT32(2)  // Clear wakeup flag
+#define STM32F4_PWR_CR_PDDS       BSP_BIT32(1)  // Power-down deepsleep
+#define STM32F4_PWR_CR_LPDS       BSP_BIT32(0)  // Low-power deepsleep
+
+  uint32_t csr;   // Control / status register
+#define STM32F4_PWR_CSR_VOSRDY    BSP_BIT32(14) // Regulator voltage scaling output selection ready bit
+#define STM32F4_PWR_CSR_BRE       BSP_BIT32(9)  // Backup domain regulator enable
+#define STM32F4_PWR_CSR_EWUP      BSP_BIT32(8)  // Enable WKUP pin
+#define STM32F4_PWR_CSR_BRR       BSP_BIT32(3)  // Backup regulator ready
+#define STM32F4_PWR_CSR_PVDO      BSP_BIT32(2)  // PVD output
+#define STM32F4_PWR_CSR_SBF       BSP_BIT32(1)  // Standby flag
+#define STM32F4_PWR_CSR_WUF       BSP_BIT32(0)  // Wakeup flag
+
+} __attribute__ ((packed));
+typedef struct stm32f4_pwr_s stm32f4_pwr;
+
+#endif /* LIBBSP_ARM_STM32F4_STM32F4XXXX_PWR_H */
diff --git a/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_rcc.h b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_rcc.h
index 311e484235..5c004328d7 100644..100755
--- a/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_rcc.h
+++ b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_rcc.h
@@ -32,26 +32,150 @@
 
 typedef struct {
   uint32_t cr;
+#define STM32F4_RCC_CR_PLLI2SRDY  BSP_BIT32(27) // PLLI2S clock ready flag
+#define STM32F4_RCC_CR_PLLI2SON   BSP_BIT32(26) // PLLI2S enable
+#define STM32F4_RCC_CR_PLLRDY     BSP_BIT32(25) // Main PLL clock ready flag
+#define STM32F4_RCC_CR_PLLON      BSP_BIT32(24) // Main PLL enable
+#define STM32F4_RCC_CR_CSSON      BSP_BIT32(19) // Clock security system enable
+#define STM32F4_RCC_CR_HSEBYP     BSP_BIT32(18) // HSE clock bypass
+#define STM32F4_RCC_CR_HSERDY     BSP_BIT32(17) // HSE clock ready flag
+#define STM32F4_RCC_CR_HSEON      BSP_BIT32(16) // HSE clock enable
+#define STM32F4_RCC_CR_HSIRDY     BSP_BIT32(1)  // HSI clock ready flag
+#define STM32F4_RCC_CR_HSION      BSP_BIT32(0)  // HSI clock enable
+
   uint32_t pllcfgr;
+#define STM32F4_RCC_PLLCFGR_PLLQ(val) BSP_FLD32(val, 24, 27)
+#define STM32F4_RCC_PLLCFGR_PLLQ_GET(reg) BSP_FLD32GET(reg, 24, 27)
+#define STM32F4_RCC_PLLCFGR_PLLQ_SET(reg, val)  BSP_FLD32SET(reg, val, 24, 27)
+#define STM32F4_RCC_PLLCFGR_SRC   BSP_BIT32(22) // PLL entry clock source
+#define STM32F4_RCC_PLLCFGR_SRC_HSE STM32F4_RCC_PLLCFGR_SRC
+#define STM32F4_RCC_PLLCFGR_SRC_HSI 0
+#define STM32F4_RCC_PLLCFGR_PLLP(val) BSP_FLD32(val, 16, 17)
+#define STM32F4_RCC_PLLCFGR_PLLP_GET(reg) BSP_FLD32GET(reg, 16, 17)
+#define STM32F4_RCC_PLLCFGR_PLLP_SET(reg, val)  BSP_FLD32SET(reg, val, 16, 17)
+#define STM32F4_RCC_PLLCFGR_PLLP_2 STM32F4_RCC_PLLCFGR_PLLP(0)
+#define STM32F4_RCC_PLLCFGR_PLLP_4 STM32F4_RCC_PLLCFGR_PLLP(1)
+#define STM32F4_RCC_PLLCFGR_PLLP_6 STM32F4_RCC_PLLCFGR_PLLP(2)
+#define STM32F4_RCC_PLLCFGR_PLLP_8 STM32F4_RCC_PLLCFGR_PLLP(3)
+#define STM32F4_RCC_PLLCFGR_PLLN(val) BSP_FLD32(val, 6, 14)
+#define STM32F4_RCC_PLLCFGR_PLLN_GET(reg) BSP_FLD32GET(reg, 6, 14)
+#define STM32F4_RCC_PLLCFGR_PLLN_SET(reg, val)  BSP_FLD32SET(reg, val, 6, 14)
+#define STM32F4_RCC_PLLCFGR_PLLM(val) BSP_FLD32(val, 0, 5)
+#define STM32F4_RCC_PLLCFGR_PLLM_GET(reg) BSP_FLD32GET(reg, 0, 5)
+#define STM32F4_RCC_PLLCFGR_PLLM_SET(reg, val)  BSP_FLD32SET(reg, val, 0, 5)
+
   uint32_t cfgr;
+#define STM32F4_RCC_CFGR_MCO2(val)  BSP_FLD32(val, 30, 31)  // Microcontroller clock output 2
+#define STM32F4_RCC_CFGR_MCO2_GET(reg)  BSP_FLD32GET(reg, 30, 31)
+#define STM32F4_RCC_CFGR_MCO2_SET(reg, val) BSP_FLD32SET(reg, val, 30, 31)
+#define STM32F4_RCC_CFGR_MCO2_SYSCLK  STM32F4_RCC_CFGR_MCO2(0)
+#define STM32F4_RCC_CFGR_MCO2_PLLI2S  STM32F4_RCC_CFGR_MCO2(1)
+#define STM32F4_RCC_CFGR_MCO2_HSE     STM32F4_RCC_CFGR_MCO2(2)
+#define STM32F4_RCC_CFGR_MCO2_PLL     STM32F4_RCC_CFGR_MCO2(3)
+#define STM32F4_RCC_CFGR_MCO2_PRE(val)  BSP_FLD32(val, 27, 29)  // MCO2 prescalar
+#define STM32F4_RCC_CFGR_MCO2_PRE_GET(reg)  BSP_FLD32GET(reg, 27, 29)
+#define STM32F4_RCC_CFGR_MCO2_PRE_SET(reg, val) BSP_FLD32SET(reg, val, 27, 29)
+#define STM32F4_RCC_CFGR_MCO2_DIV1    STM32F4_RCC_CFGR_MCO2_PRE(0)
+#define STM32F4_RCC_CFGR_MCO2_DIV2    STM32F4_RCC_CFGR_MCO2_PRE(4)
+#define STM32F4_RCC_CFGR_MCO2_DIV3    STM32F4_RCC_CFGR_MCO2_PRE(5)
+#define STM32F4_RCC_CFGR_MCO2_DIV4    STM32F4_RCC_CFGR_MCO2_PRE(6)
+#define STM32F4_RCC_CFGR_MCO2_DIV5    STM32F4_RCC_CFGR_MCO2_PRE(7)
+#define STM32F4_RCC_CFGR_MCO1_PRE(val)  BSP_FLD32(val, 24, 26)  // MCO1 prescalar
+#define STM32F4_RCC_CFGR_MCO1_PRE_GET(reg)  BSP_FLD32GET(reg, 24, 26)
+#define STM32F4_RCC_CFGR_MCO1_PRE_SET(reg, val) BSP_FLD32SET(reg, val, 24, 26)
+#define STM32F4_RCC_CFGR_MCO1_DIV1    STM32F4_RCC_CFGR_MCO1_PRE(0)
+#define STM32F4_RCC_CFGR_MCO1_DIV2    STM32F4_RCC_CFGR_MCO1_PRE(4)
+#define STM32F4_RCC_CFGR_MCO1_DIV3    STM32F4_RCC_CFGR_MCO1_PRE(5)
+#define STM32F4_RCC_CFGR_MCO1_DIV4    STM32F4_RCC_CFGR_MCO1_PRE(6)
+#define STM32F4_RCC_CFGR_MCO1_DIV5    STM32F4_RCC_CFGR_MCO1_PRE(7)
+#define STM32F4_RCC_CFGR_I2SSCR     BSP_BIT32(23) // I2S clock selection
+#define STM32F4_RCC_CFGR_MCO1(val)  BSP_FLD32(val, 21, 22)  // Microcontroller clock output 1
+#define STM32F4_RCC_CFGR_MCO1_GET(reg)  BSP_FLD32GET(reg, 21, 22)
+#define STM32F4_RCC_CFGR_MCO1_SET(reg, val) BSP_FLD32SET(reg, val, 21, 22)
+#define STM32F4_RCC_CFGR_MCO1_HSI     STM32F4_RCC_CFGR_MCO1(0)
+#define STM32F4_RCC_CFGR_MCO1_LSE     STM32F4_RCC_CFGR_MCO1(1)
+#define STM32F4_RCC_CFGR_MCO1_HSE     STM32F4_RCC_CFGR_MCO1(2)
+#define STM32F4_RCC_CFGR_MCO1_PLL     STM32F4_RCC_CFGR_MCO1(3)
+#define STM32F4_RCC_CFGR_RTCPRE(val)  BSP_FLD32(val, 16, 20)  // HSE division factor for RTC clock
+#define STM32F4_RCC_CFGR_RTCPRE_GET(reg)  BSP_FLD32GET(reg, 16, 20)
+#define STM32F4_RCC_CFGR_RTCPRE_SET(reg, val) BSP_FLD32SET(reg, val, 16, 20)
+#define STM32F4_RCC_CFGR_PPRE2(val) BSP_FLD32(val, 13, 15)  // APB high-speed prescalar (APB2)
+#define STM32F4_RCC_CFGR_PPRE2_GET(reg) BSP_FLD32GET(reg, 13, 15)
+#define STM32F4_RCC_CFGR_PPRE2_SET(reg, val)  BSP_FLD32SET(reg, val, 13, 15)
+#define STM32F4_RCC_CFGR_PPRE2_DIV1   STM32F4_RCC_CFGR_PPRE2(0)
+#define STM32F4_RCC_CFGR_PPRE2_DIV2   STM32F4_RCC_CFGR_PPRE2(4)
+#define STM32F4_RCC_CFGR_PPRE2_DIV4   STM32F4_RCC_CFGR_PPRE2(5)
+#define STM32F4_RCC_CFGR_PPRE2_DIV8   STM32F4_RCC_CFGR_PPRE2(6)
+#define STM32F4_RCC_CFGR_PPRE2_DIV16  STM32F4_RCC_CFGR_PPRE2(7)
+#define STM32F4_RCC_CFGR_PPRE1(val) BSP_FLD32(val, 10, 12)  // APB low-speed prescalar (APB1)
+#define STM32F4_RCC_CFGR_PPRE1_GET(reg) BSP_FLD32GET(reg, 10, 12)
+#define STM32F4_RCC_CFGR_PPRE1_SET(reg, val)  BSP_FLD32SET(reg, val, 10, 12)
+#define STM32F4_RCC_CFGR_PPRE1_DIV1   STM32F4_RCC_CFGR_PPRE1(0)
+#define STM32F4_RCC_CFGR_PPRE1_DIV2   STM32F4_RCC_CFGR_PPRE1(4)
+#define STM32F4_RCC_CFGR_PPRE1_DIV4   STM32F4_RCC_CFGR_PPRE1(5)
+#define STM32F4_RCC_CFGR_PPRE1_DIV8   STM32F4_RCC_CFGR_PPRE1(6)
+#define STM32F4_RCC_CFGR_PPRE1_DIV16  STM32F4_RCC_CFGR_PPRE1(7)
+#define STM32F4_RCC_CFGR_HPRE(val)  BSP_FLD32(val, 4, 15) // AHB prescalar
+#define STM32F4_RCC_CFGR_HPRE_GET(reg)  BSP_FLD32GET(reg, 4, 7)
+#define STM32F4_RCC_CFGR_HPRE_SET(reg, val) BSP_FLD32SET(reg, val, 4, 7)
+#define STM32F4_RCC_CFGR_HPRE_DIV1    STM32F4_RCC_CFGR_HPRE(0)
+#define STM32F4_RCC_CFGR_HPRE_DIV2    STM32F4_RCC_CFGR_HPRE(8)
+#define STM32F4_RCC_CFGR_HPRE_DIV4    STM32F4_RCC_CFGR_HPRE(9)
+#define STM32F4_RCC_CFGR_HPRE_DIV8    STM32F4_RCC_CFGR_HPRE(10)
+#define STM32F4_RCC_CFGR_HPRE_DIV16   STM32F4_RCC_CFGR_HPRE(11)
+#define STM32F4_RCC_CFGR_HPRE_DIV64   STM32F4_RCC_CFGR_HPRE(12)
+#define STM32F4_RCC_CFGR_HPRE_DIV128  STM32F4_RCC_CFGR_HPRE(13)
+#define STM32F4_RCC_CFGR_HPRE_DIV256  STM32F4_RCC_CFGR_HPRE(14)
+#define STM32F4_RCC_CFGR_HPRE_DIV512  STM32F4_RCC_CFGR_HPRE(15)
+#define STM32F4_RCC_CFGR_SWS(val) BSP_FLD32(val, 2, 3)  // System clock switch status
+#define STM32F4_RCC_CFGR_SWS_GET(reg) BSP_FLD32GET(reg, 2, 3)
+#define STM32F4_RCC_CFGR_SWS_SET(reg, val)  BSP_FLD32SET(reg, val, 2, 3)
+#define STM32F4_RCC_CFGR_SWS_HSI  STM32F4_RCC_CFGR_SWS(0)
+#define STM32F4_RCC_CFGR_SWS_HSE  STM32F4_RCC_CFGR_SWS(1)
+#define STM32F4_RCC_CFGR_SWS_PLL  STM32F4_RCC_CFGR_SWS(2)
+#define STM32F4_RCC_CFGR_SW(val)  BSP_FLD32(val, 0, 1)  // System clock switch
+#define STM32F4_RCC_CFGR_SW_GET(reg)  BSP_FLD32GET(reg, 0, 1)
+#define STM32F4_RCC_CFGR_SW_SET(reg, val) BSP_FLD32SET(reg, val, 0, 1)
+#define STM32F4_RCC_CFGR_SW_HSI STM32F4_RCC_CFGR_SW(0)
+#define STM32F4_RCC_CFGR_SW_HSE STM32F4_RCC_CFGR_SW(1)
+#define STM32F4_RCC_CFGR_SW_PLL STM32F4_RCC_CFGR_SW(2)
+
   uint32_t cir;
-  uint32_t ahbrstr[ 3 ];
+
+  uint32_t ahbrstr [3];
+
   uint32_t reserved_1c;
-  uint32_t apbrstr[ 2 ];
-  uint32_t reserved_28[ 2 ];
-  uint32_t ahbenr[ 3 ];
+
+  uint32_t apbrstr [2];
+
+  uint32_t reserved_28 [2];
+
+  uint32_t ahbenr [3];
+
   uint32_t reserved_3c;
-  uint32_t apbenr[ 2 ];
-  uint32_t reserved_48[ 2 ];
-  uint32_t ahblpenr[ 3 ];
+
+  uint32_t apbenr [2];
+
+  uint32_t reserved_48 [2];
+
+  uint32_t ahblpenr [3];
+
   uint32_t reserved_5c;
-  uint32_t apblpenr[ 2 ];
-  uint32_t reserved_68[ 2 ];
+
+  uint32_t apblpenr [2];
+
+  uint32_t reserved_68 [2];
+
   uint32_t bdcr;
+
   uint32_t csr;
-  uint32_t reserved_78[ 2 ];
+
+  uint32_t reserved_78 [2];
+
   uint32_t sscgr;
+
   uint32_t plli2scfgr;
+
 } stm32f4_rcc;
 
 /** @} */
@@ -162,4 +286,4 @@ typedef struct {
 #define RCC_CFGR_MCO2_HSE BSP_FLD32( 2, 30, 31 )
 #define RCC_CFGR_MCO2_PLL BSP_FLD32( 3, 30, 31 )
 
-#endif /* LIBBSP_ARM_STM32F4_STM32F4XXXX_RCC_H */
\ No newline at end of file
+#endif /* LIBBSP_ARM_STM32F4_STM32F4XXXX_RCC_H */
diff --git a/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_syscfg.h b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_syscfg.h
new file mode 100755
index 0000000000..f7e81db639
--- /dev/null
+++ b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_syscfg.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2013 Chris Nott.  All rights reserved.
+ *
+ *  Virtual Logic
+ *  21-25 King St.
+ *  Rockdale NSW 2216
+ *  Australia
+ *  <rtems@vl.com.au>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef LIBBSP_ARM_STM32F4_STM32F4XXXX_SYSCFG_H
+#define LIBBSP_ARM_STM32F4_STM32F4XXXX_SYSCFG_H
+
+#include <bsp/utility.h>
+
+#define EXTI_PORTA 0
+#define EXTI_PORTB 1
+#define EXTI_PORTC 2
+#define EXTI_PORTD 3
+#define EXTI_PORTE 4
+#define EXTI_PORTF 5
+#define EXTI_PORTG 6
+#define EXTI_PORTH 7
+#define EXTI_PORTI 8
+
+struct stm32f4_syscfg_s {
+  uint32_t memrmp;  // Memory remap
+#define STM32F4_SYSCFG_MEM_MODE(val)        BSP_FLD32(val, 0, 1)
+#define STM32F4_SYSCFG_MEM_MODE_GET(reg)    BSP_FLD32GET(reg, 0, 1)
+#define STM32F4_SYSCFG_MEM_MODE_SET(reg, val) BSP_FLD32SET(reg, val, 0, 1)
+  uint32_t pmc;     // Peripheral mode configuration
+#define STM32F4_SYSCFG_RMII_SEL             BSP_BIT32(23)
+  uint32_t exticr[4]; // External interrupt configuration
+#define STM32F4_SYSCFG_EXTI0_IDX        0
+#define STM32F4_SYSCFG_EXTI0(val)       BSP_FLD32(val, 0, 3)
+#define STM32F4_SYSCFG_EXTI0_GET(reg)   BSP_FLD32GET(reg, 0, 3)
+#define STM32F4_SYSCFG_EXTI0_SET(reg, val) BSP_FLD32SET(reg, val, 0, 3)
+#define STM32F4_SYSCFG_EXTI1_IDX        0
+#define STM32F4_SYSCFG_EXTI1(val)       BSP_FLD32(val, 4, 7)
+#define STM32F4_SYSCFG_EXTI1_GET(reg)   BSP_FLD32GET(reg, 4, 7)
+#define STM32F4_SYSCFG_EXTI1_SET(reg, val) BSP_FLD32SET(reg, val, 4, 7)
+#define STM32F4_SYSCFG_EXTI2_IDX        0
+#define STM32F4_SYSCFG_EXTI2(val)       BSP_FLD32(val, 8, 11)
+#define STM32F4_SYSCFG_EXTI2_GET(reg)   BSP_FLD32GET(reg, 8, 11)
+#define STM32F4_SYSCFG_EXTI2_SET(reg, val) BSP_FLD32SET(reg, val, 8, 11)
+#define STM32F4_SYSCFG_EXTI3_IDX        0
+#define STM32F4_SYSCFG_EXTI3(val)       BSP_FLD32(val, 12, 15)
+#define STM32F4_SYSCFG_EXTI3_GET(reg)   BSP_FLD32GET(reg, 12, 15)
+#define STM32F4_SYSCFG_EXTI3_SET(reg, val) BSP_FLD32SET(reg, val, 12, 15)
+#define STM32F4_SYSCFG_EXTI4_IDX        1
+#define STM32F4_SYSCFG_EXTI4(val)       BSP_FLD32(val, 0, 3)
+#define STM32F4_SYSCFG_EXTI4_GET(reg)   BSP_FLD32GET(reg, 0, 3)
+#define STM32F4_SYSCFG_EXTI4_SET(reg, val) BSP_FLD32SET(reg, val, 0, 3)
+#define STM32F4_SYSCFG_EXTI5_IDX        1
+#define STM32F4_SYSCFG_EXTI5(val)       BSP_FLD32(val, 4, 7)
+#define STM32F4_SYSCFG_EXTI5_GET(reg)   BSP_FLD32GET(reg, 4, 7)
+#define STM32F4_SYSCFG_EXTI5_SET(reg, val) BSP_FLD32SET(reg, val, 4, 7)
+#define STM32F4_SYSCFG_EXTI6_IDX        1
+#define STM32F4_SYSCFG_EXTI6(val)       BSP_FLD32(val, 8, 11)
+#define STM32F4_SYSCFG_EXTI6_GET(reg)   BSP_FLD32GET(reg, 8, 11)
+#define STM32F4_SYSCFG_EXTI6_SET(reg, val) BSP_FLD32SET(reg, val, 8, 11)
+#define STM32F4_SYSCFG_EXTI7_IDX        1
+#define STM32F4_SYSCFG_EXTI7(val)       BSP_FLD32(val, 12, 15)
+#define STM32F4_SYSCFG_EXTI7_GET(reg)   BSP_FLD32GET(reg, 12, 15)
+#define STM32F4_SYSCFG_EXTI7_SET(reg, val) BSP_FLD32SET(reg, val, 12, 15)
+#define STM32F4_SYSCFG_EXTI8_IDX        2
+#define STM32F4_SYSCFG_EXTI8(val)       BSP_FLD32(val, 0, 3)
+#define STM32F4_SYSCFG_EXTI8_GET(reg)   BSP_FLD32GET(reg, 0, 3)
+#define STM32F4_SYSCFG_EXTI8_SET(reg, val) BSP_FLD32SET(reg, val, 0, 3)
+#define STM32F4_SYSCFG_EXTI9_IDX        2
+#define STM32F4_SYSCFG_EXTI9(val)       BSP_FLD32(val, 4, 7)
+#define STM32F4_SYSCFG_EXTI9_GET(reg)   BSP_FLD32GET(reg, 4, 7)
+#define STM32F4_SYSCFG_EXTI9_SET(reg, val) BSP_FLD32SET(reg, val, 4, 7)
+#define STM32F4_SYSCFG_EXTI10_IDX       2
+#define STM32F4_SYSCFG_EXTI10(val)        BSP_FLD32(val, 8, 11)
+#define STM32F4_SYSCFG_EXTI10_GET(reg)    BSP_FLD32GET(reg, 8, 11)
+#define STM32F4_SYSCFG_EXTI10_SET(reg, val) BSP_FLD32SET(reg, val, 8, 11)
+#define STM32F4_SYSCFG_EXTI11_IDX       2
+#define STM32F4_SYSCFG_EXTI11(val)        BSP_FLD32(val, 12, 15)
+#define STM32F4_SYSCFG_EXTI11_GET(reg)    BSP_FLD32GET(reg, 12, 15)
+#define STM32F4_SYSCFG_EXTI11_SET(reg, val) BSP_FLD32SET(reg, val, 12, 15)
+#define STM32F4_SYSCFG_EXTI12_IDX       3
+#define STM32F4_SYSCFG_EXTI12(val)        BSP_FLD32(val, 0, 3)
+#define STM32F4_SYSCFG_EXTI12_GET(reg)    BSP_FLD32GET(reg, 0, 3)
+#define STM32F4_SYSCFG_EXTI12_SET(reg, val) BSP_FLD32SET(reg, val, 0, 3)
+#define STM32F4_SYSCFG_EXTI13_IDX       3
+#define STM32F4_SYSCFG_EXTI13(val)        BSP_FLD32(val, 4, 7)
+#define STM32F4_SYSCFG_EXTI13_GET(reg)    BSP_FLD32GET(reg, 4, 7)
+#define STM32F4_SYSCFG_EXTI13_SET(reg, val) BSP_FLD32SET(reg, val, 4, 7)
+#define STM32F4_SYSCFG_EXTI14_IDX       3
+#define STM32F4_SYSCFG_EXTI14(val)        BSP_FLD32(val, 8, 11)
+#define STM32F4_SYSCFG_EXTI14_GET(reg)    BSP_FLD32GET(reg, 8, 11)
+#define STM32F4_SYSCFG_EXTI14_SET(reg, val) BSP_FLD32SET(reg, val, 8, 11)
+#define STM32F4_SYSCFG_EXTI15_IDX       3
+#define STM32F4_SYSCFG_EXTI15(val)        BSP_FLD32(val, 12, 15)
+#define STM32F4_SYSCFG_EXTI15_GET(reg)    BSP_FLD32GET(reg, 12, 15)
+#define STM32F4_SYSCFG_EXTI15_SET(reg, val) BSP_FLD32SET(reg, val, 12, 15)
+  uint32_t cmpcr;   // Compensation cell control register
+#define STM32F4_SYSCFG_CMPCR_READY        BSP_BIT32(8)
+#define STM32F4_SYSCFG_CMPCR_PD           BSP_BIT32(0)
+} __attribute__ ((packed));
+typedef struct stm32f4_syscfg_s stm32f4_syscfg;
+
+#endif /* LIBBSP_ARM_STM32F4_STM32F4XXXX_SYSCFG_H */
diff --git a/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_tim.h b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_tim.h
new file mode 100755
index 0000000000..c7317ebf41
--- /dev/null
+++ b/c/src/lib/libbsp/arm/stm32f4/include/stm32f4xxxx_tim.h
@@ -0,0 +1,206 @@
+/*
+ * Copyright (c) 2013 Chris Nott.  All rights reserved.
+ *
+ *  Virtual Logic
+ *  21-25 King St.
+ *  Rockdale NSW 2216
+ *  Australia
+ *  <rtems@vl.com.au>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef LIBBSP_ARM_STM32F4_STM32F4XXXX_TIM_H
+#define LIBBSP_ARM_STM32F4_STM32F4XXXX_TIM_H
+
+#include <bsp/utility.h>
+
+struct stm32f4_tim_s {
+  uint16_t cr1; // Control register 1
+#define STM32F4_TIMER_CR1_CKD_DIV           0x0300
+#define STM32F4_TIMER_CR1_CKD_DIV1          0x0000
+#define STM32F4_TIMER_CR1_CKD_DIV2          0x0100
+#define STM32F4_TIMER_CR1_CKD_DIV3          0x0200
+#define STM32F4_TIMER_CR1_ARPE              BSP_BIT16(7)
+#define STM32F4_TIMER_CR1_CMS               0x0060
+#define STM32F4_TIMER_CR1_CMS_EDGE          0x0000
+#define STM32F4_TIMER_CR1_CMS_CENTER1       0x0020
+#define STM32F4_TIMER_CR1_CMS_CENTER2       0x0040
+#define STM32F4_TIMER_CR1_CMS_CENTER3       0x0060
+#define STM32F4_TIMER_CR1_DIR               BSP_BIT16(4)
+#define STM32F4_TIMER_CR1_DIR_UP            0x0000
+#define STM32F4_TIMER_CR1_DIR_DOWN          0x0010
+#define STM32F4_TIMER_CR1_DIR_OPM           0x0008
+#define STM32F4_TIMER_CR1_DIR_OPM_CONT      0x0000
+#define STM32F4_TIMER_CR1_DIR_OPM_STOP      0x0008
+#define STM32F4_TIMER_CR1_DIR_URS           0x0004
+#define STM32F4_TIMER_CR1_DIR_UDIS          0x0002
+#define STM32F4_TIMER_CR1_DIR_UDIS_EN       0x0000
+#define STM32F4_TIMER_CR1_DIR_UDIS_DIS      0x0002
+#define STM32F4_TIMER_CR1_CEN               0x0001
+  uint16_t reserved_02;
+  uint16_t cr2; // Control register 2
+  uint16_t reserved_06;
+  uint16_t smcr;  // Slave mode control register
+  uint16_t reserved_0a;
+  uint16_t dier;  // DMA / interrupt enable register
+#define STM32F4_TIMER_DIER_TDE              BSP_BIT16(14) // Trigger DMA request enable
+#define STM32F4_TIMER_DIER_CC4DE            BSP_BIT16(12) // Capture/compare 4 DMA request enable
+#define STM32F4_TIMER_DIER_CC3DE            BSP_BIT16(11) // Capture/compare 3 DMA request enable
+#define STM32F4_TIMER_DIER_CC2DE            BSP_BIT16(10) // Capture/compare 2 DMA request enable
+#define STM32F4_TIMER_DIER_CC1DE            BSP_BIT16(9)  // Capture/compare 1 DMA request enable
+#define STM32F4_TIMER_DIER_UDE              BSP_BIT16(8)  // Update DMA request enable
+#define STM32F4_TIMER_DIER_TIE              BSP_BIT16(6)  // Trigger interrupt enable
+#define STM32F4_TIMER_DIER_CC4IE            BSP_BIT16(4)  // Capture/compare 4 interrupt request enable
+#define STM32F4_TIMER_DIER_CC3IE            BSP_BIT16(3)  // Capture/compare 3 interrupt request enable
+#define STM32F4_TIMER_DIER_CC2IE            BSP_BIT16(2)  // Capture/compare 2 interrupt request enable
+#define STM32F4_TIMER_DIER_CC1IE            BSP_BIT16(1)  // Capture/compare 1 interrupt request enable
+#define STM32F4_TIMER_DIER_UIE              BSP_BIT16(0)  // Update interrupt request enable
+
+  uint16_t reserved_0e;
+  uint16_t sr;  // Status register
+#define STM32F4_TIMER_SR_CC4OF              BSP_BIT16(12) // Capture/compare 4 overcapture flag
+#define STM32F4_TIMER_SR_CC3OF              BSP_BIT16(11) // Capture/compare 3 overcapture flag
+#define STM32F4_TIMER_SR_CC2OF              BSP_BIT16(10) // Capture/compare 2 overcapture flag
+#define STM32F4_TIMER_SR_CC1OF              BSP_BIT16(9)  // Capture/compare 1 overcapture flag
+#define STM32F4_TIMER_SR_TIF                BSP_BIT16(6)  // Trigger interrupt flag
+#define STM32F4_TIMER_SR_CC4IF              BSP_BIT16(4)  // Capture/compare 4 interrupt flag
+#define STM32F4_TIMER_SR_CC3IF              BSP_BIT16(3)  // Capture/compare 3 interrupt flag
+#define STM32F4_TIMER_SR_CC2IF              BSP_BIT16(2)  // Capture/compare 2 interrupt flag
+#define STM32F4_TIMER_SR_CC1IF              BSP_BIT16(1)  // Capture/compare 1 interrupt flag
+#define STM32F4_TIMER_SR_UIF                BSP_BIT16(0)  // Update interrupt flag
+  uint16_t reserved_12;
+  uint16_t egr; // Event generation register
+#define STM32F4_TIMER_EGR_TG                BSP_BIT16(6)  // Trigger event
+#define STM32F4_TIMER_EGR_CC4G              BSP_BIT16(4)  // Capture/compare 4 event
+#define STM32F4_TIMER_EGR_CC3G              BSP_BIT16(3)  // Capture/compare 3 generation)
+#define STM32F4_TIMER_EGR_CC2G              BSP_BIT16(2)  // Capture/compare 2 generation)
+#define STM32F4_TIMER_EGR_CC1G              BSP_BIT16(1)  // Capture/compare 1 generation)
+#define STM32F4_TIMER_EGR_UG                BSP_BIT16(0)  // Update event
+  uint16_t reserved_16;
+  uint16_t ccmr1; // Capture / compare mode register 1
+#define STM32F4_TIMER_CCMR1_OC2CE           BSP_BIT16(15) // Output compare 2 clear enable
+#define STM32F4_TIMER_CCMR1_OC2M(val)       BSP_FLD16(val, 12, 14)
+#define STM32F4_TIMER_CCMR1_OC2M_GET(reg)   BSP_FLD16GET(reg, 12, 14)
+#define STM32F4_TIMER_CCMR1_OC2M_SET(reg, val) BSP_FLD16SET(reg, val, 12, 14)
+#define STM32F4_TIMER_CCMR1_OC2M_FROZEN     STM32F4_TIMER_CCMR1_OC2M(0)
+#define STM32F4_TIMER_CCMR1_OC2M_ACTIVE     STM32F4_TIMER_CCMR1_OC2M(1)
+#define STM32F4_TIMER_CCMR1_OC2M_INACTIVE   STM32F4_TIMER_CCMR1_OC2M(2)
+#define STM32F4_TIMER_CCMR1_OC2M_TOGGLE     STM32F4_TIMER_CCMR1_OC2M(3)
+#define STM32F4_TIMER_CCMR1_OC2M_FORCE_LOW  STM32F4_TIMER_CCMR1_OC2M(4)
+#define STM32F4_TIMER_CCMR1_OC2M_FORCE_HIGH STM32F4_TIMER_CCMR1_OC2M(5)
+#define STM32F4_TIMER_CCMR1_OC2M_PWM1       STM32F4_TIMER_CCMR1_OC2M(6)
+#define STM32F4_TIMER_CCMR1_OC2M_PWM2       STM32F4_TIMER_CCMR1_OC2M(7)
+#define STM32F4_TIMER_CCMR1_OC2PE           BSP_BIT16(11) // Output compare 2 preload enable
+#define STM32F4_TIMER_CCMR1_OC2FE           BSP_BIT16(10) // Output compare 2 fast enable
+#define STM32F4_TIMER_CCMR1_CC2S(val)       BSP_FLD16(val, 8, 9)
+#define STM32F4_TIMER_CCMR1_CC2S_GET(reg)   BSP_FLD16GET(reg, 8, 9)
+#define STM32F4_TIMER_CCMR1_CC2S_SET(reg, val) BSP_FLD16SET(reg, val, 8, 9)
+#define STM32F4_TIMER_CCMR1_CC2S_OUTPUT     STM32F4_TIMER_CCMR1_OC2S(0)
+#define STM32F4_TIMER_CCMR1_CC2S_TI2        STM32F4_TIMER_CCMR1_OC2S(1)
+#define STM32F4_TIMER_CCMR1_CC2S_TI1        STM32F4_TIMER_CCMR1_OC2S(2)
+#define STM32F4_TIMER_CCMR1_CC2S_TRC        STM32F4_TIMER_CCMR1_OC2S(3)
+#define STM32F4_TIMER_CCMR1_OC1CE           BSP_BIT16(7)  // Output compare 1 clear enable
+#define STM32F4_TIMER_CCMR1_OC1M(val)       BSP_FLD16(val, 4, 6)
+#define STM32F4_TIMER_CCMR1_OC1M_GET(reg)   BSP_FLD16GET(reg, 4, 6)
+#define STM32F4_TIMER_CCMR1_OC1M_SET(reg, val) BSP_FLD16SET(reg, val, 4, 6)
+#define STM32F4_TIMER_CCMR1_OC1M_FROZEN     STM32F4_TIMER_CCMR1_OC1M(0)
+#define STM32F4_TIMER_CCMR1_OC1M_ACTIVE     STM32F4_TIMER_CCMR1_OC1M(1)
+#define STM32F4_TIMER_CCMR1_OC1M_INACTIVE   STM32F4_TIMER_CCMR1_OC1M(2)
+#define STM32F4_TIMER_CCMR1_OC1M_TOGGLE     STM32F4_TIMER_CCMR1_OC1M(3)
+#define STM32F4_TIMER_CCMR1_OC1M_FORCE_LOW  STM32F4_TIMER_CCMR1_OC1M(4)
+#define STM32F4_TIMER_CCMR1_OC1M_FORCE_HIGH STM32F4_TIMER_CCMR1_OC1M(5)
+#define STM32F4_TIMER_CCMR1_OC1M_PWM1       STM32F4_TIMER_CCMR1_OC1M(6)
+#define STM32F4_TIMER_CCMR1_OC1M_PWM2       STM32F4_TIMER_CCMR1_OC1M(7)
+#define STM32F4_TIMER_CCMR1_OC1PE           BSP_BIT16(3)  // Output compare 1 preload enable
+#define STM32F4_TIMER_CCMR1_OC1FE           BSP_BIT16(2)  // Output compare 1 fast enable
+#define STM32F4_TIMER_CCMR1_CC1S(val)       BSP_FLD16(val, 0, 1)
+#define STM32F4_TIMER_CCMR1_CC1S_GET(reg)   BSP_FLD16GET(reg, 0, 1)
+#define STM32F4_TIMER_CCMR1_CC1S_SET(reg, val) BSP_FLD16SET(reg, val, 0, 1)
+#define STM32F4_TIMER_CCMR1_CC1S_OUTPUT     STM32F4_TIMER_CCMR1_OC1S(0)
+#define STM32F4_TIMER_CCMR1_CC1S_TI2        STM32F4_TIMER_CCMR1_OC1S(1)
+#define STM32F4_TIMER_CCMR1_CC1S_TI1        STM32F4_TIMER_CCMR1_OC1S(2)
+#define STM32F4_TIMER_CCMR1_CC1S_TRC        STM32F4_TIMER_CCMR1_OC1S(3)
+  uint16_t reserved_1a;
+  uint16_t ccmr2; // Capture / compare mode register 2
+#define STM32F4_TIMER_CCMR2_OC4CE           BSP_BIT16(15) // Output compare 4 clear enable
+#define STM32F4_TIMER_CCMR2_OC4M(val)       BSP_FLD16(val, 12, 14)
+#define STM32F4_TIMER_CCMR2_OC4M_GET(reg)   BSP_FLD16GET(reg, 12, 14)
+#define STM32F4_TIMER_CCMR2_OC4M_SET(reg, val) BSP_FLD16SET(reg, val, 12, 14)
+#define STM32F4_TIMER_CCMR2_OC4M_FROZEN     STM32F4_TIMER_CCMR2_OC4M(0)
+#define STM32F4_TIMER_CCMR2_OC4M_ACTIVE     STM32F4_TIMER_CCMR2_OC4M(1)
+#define STM32F4_TIMER_CCMR2_OC4M_INACTIVE   STM32F4_TIMER_CCMR2_OC4M(2)
+#define STM32F4_TIMER_CCMR2_OC4M_TOGGLE     STM32F4_TIMER_CCMR2_OC4M(3)
+#define STM32F4_TIMER_CCMR2_OC4M_FORCE_LOW  STM32F4_TIMER_CCMR2_OC4M(4)
+#define STM32F4_TIMER_CCMR2_OC4M_FORCE_HIGH STM32F4_TIMER_CCMR2_OC4M(5)
+#define STM32F4_TIMER_CCMR2_OC4M_PWM1       STM32F4_TIMER_CCMR2_OC4M(6)
+#define STM32F4_TIMER_CCMR2_OC4M_PWM2       STM32F4_TIMER_CCMR2_OC4M(7)
+#define STM32F4_TIMER_CCMR2_OC4PE           BSP_BIT16(11) // Output compare 4 preload enable
+#define STM32F4_TIMER_CCMR2_OC4FE           BSP_BIT16(10) // Output compare 4 fast enable
+#define STM32F4_TIMER_CCMR2_CC4S(val)       BSP_FLD16(val, 8, 9)
+#define STM32F4_TIMER_CCMR2_CC4S_GET(reg)   BSP_FLD16GET(reg, 8, 9)
+#define STM32F4_TIMER_CCMR2_CC4S_SET(reg, val) BSP_FLD16SET(reg, val, 8, 9)
+#define STM32F4_TIMER_CCMR2_CC4S_OUTPUT     STM32F4_TIMER_CCMR2_OC4S(0)
+#define STM32F4_TIMER_CCMR2_CC4S_TI2        STM32F4_TIMER_CCMR2_OC4S(1)
+#define STM32F4_TIMER_CCMR2_CC4S_TI1        STM32F4_TIMER_CCMR2_OC4S(2)
+#define STM32F4_TIMER_CCMR2_CC4S_TRC        STM32F4_TIMER_CCMR2_OC4S(3)
+#define STM32F4_TIMER_CCMR2_OC3CE           BSP_BIT16(7)  // Output compare 3 clear enable
+#define STM32F4_TIMER_CCMR2_OC3M(val)       BSP_FLD16(val, 4, 6)
+#define STM32F4_TIMER_CCMR2_OC3M_GET(reg)   BSP_FLD16GET(reg, 4, 6)
+#define STM32F4_TIMER_CCMR2_OC3M_SET(reg, val) BSP_FLD16SET(reg, val, 4, 6)
+#define STM32F4_TIMER_CCMR2_OC3M_FROZEN     STM32F4_TIMER_CCMR2_OC3M(0)
+#define STM32F4_TIMER_CCMR2_OC3M_ACTIVE     STM32F4_TIMER_CCMR2_OC3M(1)
+#define STM32F4_TIMER_CCMR2_OC3M_INACTIVE   STM32F4_TIMER_CCMR2_OC3M(2)
+#define STM32F4_TIMER_CCMR2_OC3M_TOGGLE     STM32F4_TIMER_CCMR2_OC3M(3)
+#define STM32F4_TIMER_CCMR2_OC3M_FORCE_LOW  STM32F4_TIMER_CCMR2_OC3M(4)
+#define STM32F4_TIMER_CCMR2_OC3M_FORCE_HIGH STM32F4_TIMER_CCMR2_OC3M(5)
+#define STM32F4_TIMER_CCMR2_OC3M_PWM1       STM32F4_TIMER_CCMR2_OC3M(6)
+#define STM32F4_TIMER_CCMR2_OC3M_PWM2       STM32F4_TIMER_CCMR2_OC3M(7)
+#define STM32F4_TIMER_CCMR2_OC3PE           BSP_BIT16(3)  // Output compare 3 preload enable
+#define STM32F4_TIMER_CCMR2_OC3FE           BSP_BIT16(2)  // Output compare 3 fast enable
+#define STM32F4_TIMER_CCMR2_CC3S(val)       BSP_FLD16(val, 0, 1)
+#define STM32F4_TIMER_CCMR2_CC3S_GET(reg)   BSP_FLD16GET(reg, 0, 1)
+#define STM32F4_TIMER_CCMR2_CC3S_SET(reg, val) BSP_FLD16SET(reg, val, 0, 1)
+#define STM32F4_TIMER_CCMR2_CC3S_OUTPUT     STM32F4_TIMER_CCMR2_OC3S(0)
+#define STM32F4_TIMER_CCMR2_CC3S_TI2        STM32F4_TIMER_CCMR2_OC3S(1)
+#define STM32F4_TIMER_CCMR2_CC3S_TI1        STM32F4_TIMER_CCMR2_OC3S(2)
+#define STM32F4_TIMER_CCMR2_CC3S_TRC        STM32F4_TIMER_CCMR2_OC3S(3)
+  uint16_t reserved_1e;
+  uint16_t ccer;  // Capture / compare enable register
+#define STM32F4_TIMER_CCER_CC4NP            BSP_BIT16(15) // Capture / compare 4 output polarity
+#define STM32F4_TIMER_CCER_CC4P             BSP_BIT16(13) // Capture / compare 4 output polarity
+#define STM32F4_TIMER_CCER_CC4E             BSP_BIT16(12) // Capture / compare 4 output enable
+#define STM32F4_TIMER_CCER_CC3NP            BSP_BIT16(11) // Capture / compare 3 output polarity
+#define STM32F4_TIMER_CCER_CC3P             BSP_BIT16(9)  // Capture / compare 3 output polarity
+#define STM32F4_TIMER_CCER_CC3E             BSP_BIT16(8)  // Capture / compare 3 output enable
+#define STM32F4_TIMER_CCER_CC2NP            BSP_BIT16(7)  // Capture / compare 2 output polarity
+#define STM32F4_TIMER_CCER_CC2P             BSP_BIT16(5)  // Capture / compare 2 output polarity
+#define STM32F4_TIMER_CCER_CC2E             BSP_BIT16(4)  // Capture / compare 2 output enable
+#define STM32F4_TIMER_CCER_CC1NP            BSP_BIT16(3)  // Capture / compare 1 output polarity
+#define STM32F4_TIMER_CCER_CC1P             BSP_BIT16(1)  // Capture / compare 1 output polarity
+#define STM32F4_TIMER_CCER_CC1E             BSP_BIT16(0)  // Capture / compare 1 output enable
+  uint16_t reserved_22;
+  uint32_t cnt; // Counter register
+#define STM32F4_TIMER_DR(val) BSP_FLD32(val, 0, 31)
+#define STM32F4_TIMER_DR_GET(reg) BSP_FLD32GET(reg, 0, 31)
+#define STM32F4_TIMER_DR_SET(reg, val) BSP_FLD32SET(reg, val, 0, 31)
+  uint16_t psc; // Prescalar
+  uint16_t reserved_2a;
+  uint32_t arr; // Auto-reload register
+  uint16_t rcr; // Repetition counter register
+  uint16_t rserved_32;
+  uint32_t ccr[4];// Capture / compare registers
+  uint16_t bdtr;  // Break and dead-time register
+  uint16_t reserved_46;
+  uint16_t dcr; // DMA control register
+  uint16_t reserved_4a;
+  uint16_t dmar;  // DMA address for full transfer
+  uint16_t reserved_4e;
+  uint16_t or;  // Option register
+  uint16_t reserved_52;
+} __attribute__ ((packed));
+typedef struct stm32f4_tim_s stm32f4_tim;
+
+#endif /* LIBBSP_ARM_STM32F4_STM32F4XXXX_TIM_H */
diff --git a/c/src/lib/libbsp/arm/stm32f4/preinstall.am b/c/src/lib/libbsp/arm/stm32f4/preinstall.am
index fe9a3b073a..ce390f3d45 100644
--- a/c/src/lib/libbsp/arm/stm32f4/preinstall.am
+++ b/c/src/lib/libbsp/arm/stm32f4/preinstall.am
@@ -113,6 +113,14 @@ $(PROJECT_INCLUDE)/bsp/stm32f10xxx_exti.h: include/stm32f10xxx_exti.h $(PROJECT_
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/stm32f10xxx_exti.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/stm32f10xxx_exti.h
 
+$(PROJECT_INCLUDE)/bsp/stm32f4xxxx_adc.h: include/stm32f4xxxx_adc.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_adc.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_adc.h
+
+$(PROJECT_INCLUDE)/bsp/stm32f4xxxx_exti.h: include/stm32f4xxxx_exti.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_exti.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_exti.h
+
 $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_gpio.h: include/stm32f4xxxx_gpio.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_gpio.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_gpio.h
@@ -121,10 +129,26 @@ $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_rcc.h: include/stm32f4xxxx_rcc.h $(PROJECT_IN
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_rcc.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_rcc.h
 
+$(PROJECT_INCLUDE)/bsp/stm32f4xxxx_pwr.h: include/stm32f4xxxx_pwr.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_pwr.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_pwr.h
+
+$(PROJECT_INCLUDE)/bsp/stm32f4xxxx_syscfg.h: include/stm32f4xxxx_syscfg.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_syscfg.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_syscfg.h
+
+$(PROJECT_INCLUDE)/bsp/stm32f4xxxx_tim.h: include/stm32f4xxxx_tim.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_tim.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_tim.h
+
 $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_flash.h: include/stm32f4xxxx_flash.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_flash.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_flash.h
 
+$(PROJECT_INCLUDE)/bsp/stm32f4xxxx_otgfs.h: include/stm32f4xxxx_otgfs.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_otgfs.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/stm32f4xxxx_otgfs.h
+
 $(PROJECT_INCLUDE)/bsp/stm32_i2c.h: include/stm32_i2c.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/stm32_i2c.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/stm32_i2c.h
diff --git a/c/src/lib/libbsp/arm/stm32f4/startup/bspstart.c b/c/src/lib/libbsp/arm/stm32f4/startup/bspstart.c
index 0d08458c2e..8d4bf6b82b 100644
--- a/c/src/lib/libbsp/arm/stm32f4/startup/bspstart.c
+++ b/c/src/lib/libbsp/arm/stm32f4/startup/bspstart.c
@@ -174,7 +174,7 @@ static rtems_status_code set_system_clk(
   /* pll_q is a prescaler from VCO for the USB OTG FS, SDIO and RNG,
    * best if results in the 48MHz for the USB
    */
-  pll_q = ( (long) ( src_clk * pll_n + src_clk * pll_n / 2 ) ) / pll_m / 48;
+  pll_q = ( (long) ( src_clk * pll_n ) ) / pll_m / 48;
 
   if ( pll_q < 2 ) {
     pll_q = 2;
@@ -257,9 +257,10 @@ static rtems_status_code set_system_clk(
    * Set flash parameters, hard coded for now for fast system clocks.
    * TODO implement some math to use flash on as low latancy as possible
    */
-  flash->acr = FLASH_ACR_LATENCY( 5 ) | /* latency */
-               FLASH_ACR_ICEN |       /* instruction cache */
-               FLASH_ACR_DCEN;        /* data cache */
+  flash->acr = STM32F4_FLASH_ACR_LATENCY( 5 ) | /* latency */
+               STM32F4_FLASH_ACR_ICEN |       /* instruction cache */
+               STM32F4_FLASH_ACR_DCEN |        /* data cache */
+               STM32F4_FLASH_ACR_PRFTEN;
 
   /* turn on PLL */
   rcc->cr |= RCC_CR_PLLON;