From 6ecd7c2bf023df721108ea64779895a1b9e6e0c8 Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Sun, 6 Jan 2019 08:56:22 +0000
Subject: RCC CRC macros for L4 and L4+.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12531 110e8d01-0319-4d1e-a829-52ad28d1bb01
---
 os/hal/ports/STM32/STM32L4xx+/stm32_rcc.h | 28 ++++++++++++++++++++++++++++
 os/hal/ports/STM32/STM32L4xx/stm32_rcc.h  | 28 ++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)

diff --git a/os/hal/ports/STM32/STM32L4xx+/stm32_rcc.h b/os/hal/ports/STM32/STM32L4xx+/stm32_rcc.h
index 76f842ccc..d88c378f4 100644
--- a/os/hal/ports/STM32/STM32L4xx+/stm32_rcc.h
+++ b/os/hal/ports/STM32/STM32L4xx+/stm32_rcc.h
@@ -1235,6 +1235,34 @@
 #define rccResetUSB() rccResetAPB1R1(RCC_APB1RSTR1_USBFSRST)
 /** @} */
 
+/**
+ * @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.
+ *
+ * @api
+ */
+#define rccDisableCRC() rccDisableAHB1(RCC_AHB1ENR_CRCEN)
+
+/**
+ * @brief   Resets the CRC peripheral.
+ *
+ * @api
+ */
+#define rccResetCRC() rccResetAHB1(RCC_AHB1RSTR_CRCRST)
+/** @} */
+
 /**
  * @name    FSMC peripherals specific RCC operations
  * @{
diff --git a/os/hal/ports/STM32/STM32L4xx/stm32_rcc.h b/os/hal/ports/STM32/STM32L4xx/stm32_rcc.h
index 91cc696f2..a48e305f8 100644
--- a/os/hal/ports/STM32/STM32L4xx/stm32_rcc.h
+++ b/os/hal/ports/STM32/STM32L4xx/stm32_rcc.h
@@ -1184,6 +1184,34 @@
 #define rccResetUSB() rccResetAPB1R1(RCC_APB1RSTR1_USBFSRST)
 /** @} */
 
+/**
+ * @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.
+ *
+ * @api
+ */
+#define rccDisableCRC() rccDisableAHB1(RCC_AHB1ENR_CRCEN)
+
+/**
+ * @brief   Resets the CRC peripheral.
+ *
+ * @api
+ */
+#define rccResetCRC() rccResetAHB1(RCC_AHB1RSTR_CRCRST)
+/** @} */
+
 /**
  * @name    FSMC peripherals specific RCC operations
  * @{
-- 
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