nuttx/arch/arm/src/stm32/hardware/stm32_rng.h
Alin Jerpelea f8aed9864d NuttX: Max Holtzberg: update licenses to Apache
Max Holtzberg has submitted the ICLA and we can migrate the licenses
 to Apache.

Gregory Nutt has submitted the SGA and we can migrate the licenses
 to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-04-01 12:13:12 -05:00

63 lines
2.8 KiB
C

/****************************************************************************
* arch/arm/src/stm32/hardware/stm32_rng.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __ARCH_ARM_SRC_STM32_HARDWARE_STM32_RNG_H
#define __ARCH_ARM_SRC_STM32_HARDWARE_STM32_RNG_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "chip.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Register Offsets *********************************************************/
#define STM32_RNG_CR_OFFSET 0x0000 /* RNG Control Register */
#define STM32_RNG_SR_OFFSET 0x0004 /* RNG Status Register */
#define STM32_RNG_DR_OFFSET 0x0008 /* RNG Data Register */
/* Register Addresses *******************************************************/
#define STM32_RNG_CR (STM32_RNG_BASE+STM32_RNG_CR_OFFSET)
#define STM32_RNG_SR (STM32_RNG_BASE+STM32_RNG_SR_OFFSET)
#define STM32_RNG_DR (STM32_RNG_BASE+STM32_RNG_DR_OFFSET)
/* Register Bitfield Definitions ********************************************/
/* RNG Control Register */
#define RNG_CR_RNGEN (1 << 2) /* Bit 2: RNG enable */
#define RNG_CR_IE (1 << 3) /* Bit 3: Interrupt enable */
/* RNG Status Register */
#define RNG_SR_DRDY (1 << 0) /* Bit 0: Data ready */
#define RNG_SR_CECS (1 << 1) /* Bit 1: Clock error current status */
#define RNG_SR_SECS (1 << 2) /* Bit 2: Seed error current status */
#define RNG_SR_CEIS (1 << 5) /* Bit 5: Clock error interrupt status */
#define RNG_SR_SEIS (1 << 6) /* Bit 6: Seed error interrupt status */
#endif /* __ARCH_ARM_SRC_STM32_HARDWARE_STM32_RNG_H */