From dfc49fe0de241bdf5cb89993487a0c6c3c81a12c Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Sat, 20 Jan 2018 14:44:47 +0000
Subject: [PATCH] Added CRC unit to RCC support files.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11363 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/ports/STM32/STM32F3xx/stm32_rcc.h | 23 ++++++++++++++++++
 os/hal/ports/STM32/STM32F7xx/stm32_rcc.h | 30 ++++++++++++++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/os/hal/ports/STM32/STM32F3xx/stm32_rcc.h b/os/hal/ports/STM32/STM32F3xx/stm32_rcc.h
index 9761c6782..cd209baef 100644
--- a/os/hal/ports/STM32/STM32F3xx/stm32_rcc.h
+++ b/os/hal/ports/STM32/STM32F3xx/stm32_rcc.h
@@ -949,6 +949,29 @@
 #define rccDisableFSMC() rccDisableAHB(RCC_AHBENR_FMCEN)
 /** @} */
 
+/**
+ * @name    CRC peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief   Enables the CRC peripheral clock.
+ *
+ * @param[in] lp        low power enable flag
+ *
+ * @api
+ */
+#define rccEnableCRC(lp) rccEnableAHB(RCC_AHBENR_CRCEN, lp)
+
+/**
+ * @brief   Disables the CRC peripheral clock.
+ *
+ * @param[in] lp        low power enable flag
+ *
+ * @api
+ */
+#define rccDisableCRC(lp) rccDisableAHB(RCC_AHBENR_CRCEN)
+/** @} */
+
 /*===========================================================================*/
 /* External declarations.                                                    */
 /*===========================================================================*/
diff --git a/os/hal/ports/STM32/STM32F7xx/stm32_rcc.h b/os/hal/ports/STM32/STM32F7xx/stm32_rcc.h
index 90b3e7828..44876d18f 100644
--- a/os/hal/ports/STM32/STM32F7xx/stm32_rcc.h
+++ b/os/hal/ports/STM32/STM32F7xx/stm32_rcc.h
@@ -1511,6 +1511,36 @@
 #define rccResetDMA2D() rccResetAHB1(RCC_AHB1RSTR_DMA2DRST)
 /** @} */
 
+/**
+ * @name    CRC peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief   Enables the CRC peripheral clock.
+ *
+ * @param[in] lp        low power enable flag
+ *
+ * @api
+ */
+#define rccEnableCRC(lp) rccEnableAHB1(RCC_AHB1ENR_CRCEN, lp)
+
+/**
+ * @brief   Disables the CRC peripheral clock.
+ *
+ * @param[in] lp        low power enable flag
+ *
+ * @api
+ */
+#define rccDisableCRC(lp) rccDisableAHB1(RCC_AHB1ENR_CRCEN)
+
+/**
+ * @brief   Resets the CRC peripheral.
+ *
+ * @api
+ */
+#define rccResetCRC() rccResetAHB1(RCC_AHB1RSTR_CRCRST)
+/** @} */
+
 /**
  * @name    FSMC peripherals specific RCC operations
  * @{