usb: stm32fx07 -> usb_dwc_common

The stm32fx07 is common DesignWare IP, used in both STM32 and EFM32 chips.
Rename the files to make this more clear, and easier to use in other
targets.

include/libopencm3/usb/dwc/otg_common.h

@@ -19,12 +19,12 @@
 
 /*
  * This file is intended to be included by either otg_hs.h or otg_fs.h
- * Contains common definitions of Command and Status Registers (CSR) and their
- * bit definitions.
+ * It contains register definitions common to chips using DesignWare
+ * USB OTG controllers, including STM32 and EFM32
  */
 
-#ifndef LIBOPENCM3_OTG_COMMON_H
-#define LIBOPENCM3_OTG_COMMON_H
+#ifndef LIBOPENCM3_USB_DWC_OTG_COMMON_H
+#define LIBOPENCM3_USB_DWC_OTG_COMMON_H
 
 /* Core Global Control and Status Registers */
 #define OTG_GOTGCTL			0x000

include/libopencm3/usb/dwc/otg_fs.h

@@ -18,16 +18,23 @@
  */
 
 /*
- * This file covers definitions for the USB OTG FS peripheral.
- * This is the USB core included in the F105, F107, F2, F4 devices
+ * This file covers definitions for DesignWare USB OTG HS peripherals.
  */
 
-#ifndef LIBOPENCM3_OTG_FS_H
-#define LIBOPENCM3_OTG_FS_H
+#ifndef LIBOPENCM3_USB_DWC_OTG_FS_H
+#define LIBOPENCM3_USB_DWC_OTG_FS_H
 
 #include <libopencm3/cm3/common.h>
-#include <libopencm3/stm32/memorymap.h>
-#include <libopencm3/stm32/otg_common.h>
+#include <libopencm3/usb/dwc/otg_common.h>
+
+/* Memory map is required for USB_OTG_FS_BASE address */
+#if defined(STM32F1) || defined(STM32F2) || defined(STM32F4)
+#	include <libopencm3/stm32/memorymap.h>
+#elif defined(EFM32HG)
+#	include <libopencm3/efm32/memorymap.h>
+#else
+#	error "device family not supported by dwc/otg_fs."
+#endif
 
 /***********************************************************************/
 

include/libopencm3/usb/dwc/otg_hs.h

@@ -17,12 +17,22 @@
  * along with this library.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LIBOPENCM3_OTG_HS_H
-#define LIBOPENCM3_OTG_HS_H
+/*
+ * This file covers definitions for DesignWare USB OTG HS peripherals.
+ */
+
+#ifndef LIBOPENCM3_USB_DWC_OTG_HS_H
+#define LIBOPENCM3_USB_DWC_OTG_HS_H
 
 #include <libopencm3/cm3/common.h>
-#include <libopencm3/stm32/memorymap.h>
-#include <libopencm3/stm32/otg_common.h>
+#include <libopencm3/usb/dwc/otg_common.h>
+
+/* Memory map is required for USB_OTG_HS_BASE address */
+#if defined(STM32F2) || defined(STM32F4)
+#	include <libopencm3/stm32/memorymap.h>
+#else
+#	error "device family not supported by dwc/otg_hs."
+#endif
 
 /* OTG_HS specific registers */