*** EFM32 branch ***

Add missing folder

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1842 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/efm32/EFM32GG_DK3750/dvk_brd3600.c

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+/**************************************************************************//**
+ * @file
+ * @brief EFM32GG_DK3750 board support package BRD3600A API implementation
+ * @author Energy Micro AS
+ * @version 1.2.1
+ ******************************************************************************
+ * @section License
+ * <b>(C) Copyright 2011 Energy Micro AS, http://www.energymicro.com</b>
+ ******************************************************************************
+ *
+ * This source code is the property of Energy Micro AS. The source and compiled
+ * code may only be used on Energy Micro "EFM32" microcontrollers.
+ *
+ * This copyright notice may not be removed from the source code nor changed.
+ *
+ * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Energy Micro AS has no
+ * obligation to support this Software. Energy Micro AS is providing the
+ * Software "AS IS", with no express or implied warranties of any kind,
+ * including, but not limited to, any implied warranties of merchantability
+ * or fitness for any particular purpose or warranties against infringement
+ * of any proprietary rights of a third party.
+ *
+ * Energy Micro AS will not be liable for any consequential, incidental, or
+ * special damages, or any other relief, or for any claim by any third party,
+ * arising from your use of this Software.
+ *
+ *****************************************************************************/
+
+/***************************************************************************//**
+ * @addtogroup BSP
+ * @{
+ ******************************************************************************/
+
+#include "efm32.h"
+#include "efm32_gpio.h"
+#include "efm32_ebi.h"
+#include "efm32_cmu.h"
+#include "dvk.h"
+#include "dvk_bcregisters.h"
+
+/**************************************************************************//**
+ * @brief Configure BRD3600A on-board peripherals.
+ *****************************************************************************/
+void DVK_BRD3600A_init(void)
+{
+  /* Enable CMU GPIO clocks */
+  CMU_ClockEnable(cmuClock_GPIO, true);
+
+  /* USB status LED - configure PE1 as push pull */
+  GPIO_PinModeSet(gpioPortE, 1, gpioModePushPull, 0);
+
+  /* USB overcurrent status - configure PE2 as push pull */
+  GPIO_PinModeSet(gpioPortE, 2, gpioModeInput, 0);
+
+  /* USB VBUS switch - configure PF5 as push pull - Default OFF */
+  GPIO_PinModeSet(gpioPortF, 5, gpioModePushPull, 0);
+
+  return;
+}
+
+
+/**************************************************************************//**
+ * @brief Disable EFM32GG_DK3750 EBI board support package functionality
+ *****************************************************************************/
+void DVK_BRD3600A_deInit(void)
+{
+  /* Disable PE1 */
+  GPIO_PinModeSet(gpioPortE, 1, gpioModePushPull, 0);
+
+  /* Disable CMU GPIO clocks */
+  CMU_ClockEnable(cmuClock_GPIO, false);
+
+
+  return;
+}
+
+/**************************************************************************//**
+ * @brief Set state of USB status LED
+ * @param[in] enable Set to true to light LED, false to dim it
+ *****************************************************************************/
+void DVK_BRD3600A_usbStatusLEDEnable(int enable)
+{
+  GPIO_PinModeSet(gpioPortE, 1, gpioModePushPull, enable);
+
+  return;
+}
+
+/**************************************************************************//**
+ * @brief Enable VBUS switch
+ * @param[in] enable Set to true to enable switch
+ *****************************************************************************/
+void DVK_BRD3600A_usbVBUSSwitchEnable(int enable)
+{
+  GPIO_PinModeSet(gpioPortF, 5, gpioModePushPull, enable);
+
+  return;
+}
+
+/**************************************************************************//**
+ * @brief Get state of VBUS switch overcurrent flag
+ *****************************************************************************/
+int DVK_BRD3600A_usbVBUSGetOCFlagState(void)
+{
+  return ~GPIO_PinInGet(gpioPortE, 2);
+}
+
+/** @} (end group BSP) */

bsp/efm32/EFM32GG_DK3750/trace.c

@@ -0,0 +1,115 @@
+/**************************************************************************//**
+ * @file
+ * @brief API for enabling SWO or ETM trace on DK3750 board
+ * @author Energy Micro AS
+ * @version 1.2.1
+ ******************************************************************************
+ * @section License
+ * <b>(C) Copyright 2011 Energy Micro AS, http://www.energymicro.com</b>
+ ******************************************************************************
+ *
+ * This source code is the property of Energy Micro AS. The source and compiled
+ * code may only be used on Energy Micro "EFM32" microcontrollers.
+ *
+ * This copyright notice may not be removed from the source code nor changed.
+ *
+ * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Energy Micro AS has no
+ * obligation to support this Software. Energy Micro AS is providing the
+ * Software "AS IS", with no express or implied warranties of any kind,
+ * including, but not limited to, any implied warranties of merchantability
+ * or fitness for any particular purpose or warranties against infringement
+ * of any proprietary rights of a third party.
+ *
+ * Energy Micro AS will not be liable for any consequential, incidental, or
+ * special damages, or any other relief, or for any claim by any third party,
+ * arising from your use of this Software.
+ *
+ *****************************************************************************/
+
+/***************************************************************************//**
+ * @addtogroup BSP
+ * @{
+ ******************************************************************************/
+
+#include "efm32.h"
+#include "efm32_gpio.h"
+#include "efm32_cmu.h"
+
+/**************************************************************************//**
+ * @brief Configure EFM32GG990F1024 for DK3750 ETM trace output
+ * @note You need to configure ETM trace on on kit config menu as well!
+ *****************************************************************************/
+void TRACE_ETMSetup(void)
+{
+  /* Enable peripheral clocks */
+  CMU->HFCORECLKEN0 |= CMU_HFCORECLKEN0_LE;
+  CMU->HFPERCLKEN0  |= CMU_HFPERCLKEN0_GPIO;
+  CMU->OSCENCMD      = CMU_OSCENCMD_AUXHFRCOEN;
+
+  /* Wait until AUXHFRCO clock is ready */
+  while (!(CMU->STATUS & CMU_STATUS_AUXHFRCORDY)) ;
+
+  /* Enable Port D, pins 3,4,5,6 for ETM Trace Data output */
+  GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE3_MASK) | GPIO_P_MODEL_MODE3_PUSHPULL;
+  GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE4_MASK) | GPIO_P_MODEL_MODE4_PUSHPULL;
+  GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE5_MASK) | GPIO_P_MODEL_MODE5_PUSHPULL;
+  GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE6_MASK) | GPIO_P_MODEL_MODE6_PUSHPULL;
+
+  /* Enable Port D, pin 7 for DBG_TCLK */
+  GPIO->P[3].MODEL = (GPIO->P[3].MODEL & ~_GPIO_P_MODEL_MODE7_MASK) | GPIO_P_MODEL_MODE7_PUSHPULL;
+
+  /* Configure trace output for alternate location */
+  GPIO->ROUTE = GPIO->ROUTE | GPIO_ROUTE_TCLKPEN | GPIO_ROUTE_TD0PEN | GPIO_ROUTE_TD1PEN
+                | GPIO_ROUTE_TD2PEN | GPIO_ROUTE_TD3PEN
+                | GPIO_ROUTE_ETMLOCATION_LOC0;
+}
+
+
+/**************************************************************************//**
+ * @brief Configure EFM32GG990F1024 for DK3750 SWO trace output
+ *****************************************************************************/
+void TRACE_SWOSetup(void)
+{
+  /* Debug logic registers */
+  volatile uint32_t *dwt_ctrl = (uint32_t *) 0xE0001000;
+  volatile uint32_t *tpiu_prescaler = (uint32_t *) 0xE0040010;
+  volatile uint32_t *tpiu_protocol = (uint32_t *) 0xE00400F0;
+
+  /* Enable GPIO clock */
+  CMU->HFPERCLKEN0 |= CMU_HFPERCLKEN0_GPIO;
+
+  /* Enable Serial wire output pin */
+  GPIO->ROUTE |= GPIO_ROUTE_SWOPEN;
+
+  /* Set location 0 */
+  GPIO->ROUTE = (GPIO->ROUTE & ~(_GPIO_ROUTE_SWLOCATION_MASK)) | GPIO_ROUTE_SWLOCATION_LOC0;
+
+  /* Enable output on pin - GPIO Port F, Pin 2 */
+  GPIO->P[5].MODEL &= ~(_GPIO_P_MODEL_MODE2_MASK);
+  GPIO->P[5].MODEL |= GPIO_P_MODEL_MODE2_PUSHPULL;
+
+  /* Enable debug clock AUXHFRCO */
+  CMU->OSCENCMD = CMU_OSCENCMD_AUXHFRCOEN;
+
+  /* Wait until clock is ready */
+  while(!(CMU->STATUS & CMU_STATUS_AUXHFRCORDY));
+
+  /* Enable trace in core debug */
+  CoreDebug->DHCSR |= 1;
+  CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
+
+  /* Enable PC and IRQ sampling output */
+  *dwt_ctrl = 0x400113FF;
+
+  /* Set TPIU prescaler to 16. */
+  *tpiu_prescaler = 0xf;
+
+  /* Set protocol to NRZ */
+  *tpiu_protocol = 2;
+
+  /* Unlock ITM and output data */
+  ITM->LAR = 0xC5ACCE55;
+  ITM->TCR = 0x10009;
+}
+
+/** @} (end group BSP) */

bsp/efm32/EFM32GG_DK3750/trace.h

@@ -0,0 +1,51 @@
+/**************************************************************************//**
+ * @file
+ * @brief API for enabling SWO or ETM trace on DK3750 board
+ * @author Energy Micro AS
+ * @version 1.2.1
+ ******************************************************************************
+ * @section License
+ * <b>(C) Copyright 2011 Energy Micro AS, http://www.energymicro.com</b>
+ ******************************************************************************
+ *
+ * This source code is the property of Energy Micro AS. The source and compiled
+ * code may only be used on Energy Micro "EFM32" microcontrollers.
+ *
+ * This copyright notice may not be removed from the source code nor changed.
+ *
+ * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Energy Micro AS has no
+ * obligation to support this Software. Energy Micro AS is providing the
+ * Software "AS IS", with no express or implied warranties of any kind,
+ * including, but not limited to, any implied warranties of merchantability
+ * or fitness for any particular purpose or warranties against infringement
+ * of any proprietary rights of a third party.
+ *
+ * Energy Micro AS will not be liable for any consequential, incidental, or
+ * special damages, or any other relief, or for any claim by any third party,
+ * arising from your use of this Software.
+ *
+ *****************************************************************************/
+#ifndef __TRACE_H
+#define __TRACE_H
+
+/***************************************************************************//**
+ * @addtogroup BSP
+ * @{
+ ******************************************************************************/
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void TRACE_ETMSetup(void);
+void TRACE_SWOSetup(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+/** @} (end group BSP) */
+
+#endif