TRNG support added to STM32L0xx.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@13167 27425a3e-05d8-49a3-a47f-9c15f0e5edd8

demos/STM32/RT-STM32H743I-NUCLEO144/cfg/halconf.h

@@ -170,7 +170,7 @@
  * @brief   Enables the TRNG subsystem.
  */
 #if !defined(HAL_USE_TRNG) || defined(__DOXYGEN__)
-#define HAL_USE_TRNG                        TRUE
+#define HAL_USE_TRNG                        FALSE
 #endif
 
 /**

demos/STM32/RT-STM32H743I-NUCLEO144/cfg/mcuconf.h

@@ -404,7 +404,7 @@
 /*
  * TRNG driver system settings.
  */
-#define STM32_TRNG_USE_RNG1                 TRUE
+#define STM32_TRNG_USE_RNG1                 FALSE
 
 /*
  * UART driver system settings.

os/hal/ports/STM32/STM32L0xx/hal_lld.h

@@ -1155,7 +1155,7 @@
 #endif
 
 /**
- * @brief   USB/RNG frequency.
+ * @brief   USB clock point.
  */
 #if (STM32_HSI48SEL == STM32_HSI48SEL_HSI48) || defined(__DOXYGEN__)
 #define STM32_USBCLK                STM32_HSI48CLK
@@ -1165,6 +1165,11 @@
 #error "invalid STM32_HSI48SEL value specified"
 #endif
 
+/**
+ * @brief   RNG clock point.
+ */
+#define STM32_RNGCLK                STM32_USBCLK
+
 /**
  * @brief   Timers LPTIM1, TIM2, TIM6 clock.
  */

os/hal/ports/STM32/STM32L0xx/platform.mk

@@ -32,6 +32,7 @@ include $(CHIBIOS)/os/hal/ports/STM32/LLD/DMAv1/driver.mk
 include $(CHIBIOS)/os/hal/ports/STM32/LLD/EXTIv1/driver.mk
 include $(CHIBIOS)/os/hal/ports/STM32/LLD/GPIOv2/driver.mk
 include $(CHIBIOS)/os/hal/ports/STM32/LLD/I2Cv2/driver.mk
+include $(CHIBIOS)/os/hal/ports/STM32/LLD/RNGv1/driver.mk
 include $(CHIBIOS)/os/hal/ports/STM32/LLD/RTCv2/driver.mk
 include $(CHIBIOS)/os/hal/ports/STM32/LLD/SPIv1/driver.mk
 include $(CHIBIOS)/os/hal/ports/STM32/LLD/TIMv1/driver.mk

os/hal/ports/STM32/STM32L0xx/stm32_rcc.h

@@ -410,6 +410,34 @@
 #define rccResetI2C3() rccResetAPB1(RCC_APB1RSTR_I2C3RST)
 /** @} */
 
+/**
+ * @name    RNG peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief   Enables the RNG peripheral clock.
+ *
+ * @param[in] lp        low power enable flag
+ *
+ * @api
+ */
+#define rccEnableRNG(lp) rccEnableAHB(RCC_AHBENR_RNGEN, lp)
+
+/**
+ * @brief   Disables the RNG peripheral clock.
+ *
+ * @api
+ */
+#define rccDisableRNG() rccDisableAHB(RCC_AHBENR_RNGEN)
+
+/**
+ * @brief   Resets the RNG peripheral.
+ *
+ * @api
+ */
+#define rccResetRNG() rccResetAHB(RCC_AHBRSTR_RNGRST)
+/** @} */
+
 /**
  * @name    SPI peripherals specific RCC operations
  * @{

readme.txt

@@ -74,7 +74,8 @@
 *****************************************************************************
 
 *** Next ***
-- HAL: TRNG support added to STM32F7xx, STM32G0xx, STM32G4xx and STM32H7xx.
+- HAL: TRNG support added to STM32F7xx, STM32G0xx, STM32G4xx, STM32H7xx
+       and STM32L0xx.
 - NEW: Added support for .cc files extensions in makefiles.
 - HAL: New RTCv3 driver for STM32G0xx and STM32G4xx.
 - HAL: Added support for DAC3 and DAC4 in STM32 DACv1 driver.