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/************************************************************************************
* arch/arm/src/stm32/chip/stm32_pwr.h
*
* Copyright (C) 2009, 2011-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
#ifndef __ARCH_ARM_SRC_STM32_CHIP_STM32_PWR_H
#define __ARCH_ARM_SRC_STM32_CHIP_STM32_PWR_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include "chip.h"
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Register Offsets *****************************************************************/
#define STM32_PWR_CR_OFFSET 0x0000 /* Power control register */
#define STM32_PWR_CSR_OFFSET 0x0004 /* Power control/status register */
/* Register Addresses ***************************************************************/
#define STM32_PWR_CR (STM32_PWR_BASE+STM32_PWR_CR_OFFSET)
#define STM32_PWR_CSR (STM32_PWR_BASE+STM32_PWR_CSR_OFFSET)
/* Register Bitfield Definitions ****************************************************/
/* Power control register */
#define PWR_CR_LPDS (1 << 0) /* Bit 0: Low-Power Deepsleep */
#define PWR_CR_PDDS (1 << 1) /* Bit 1: Power Down Deepsleep */
#define PWR_CR_CWUF (1 << 2) /* Bit 2: Clear Wakeup Flag */
#define PWR_CR_CSBF (1 << 3) /* Bit 3: Clear Standby Flag */
#define PWR_CR_PVDE (1 << 4) /* Bit 4: Power Voltage Detector Enable */
#define PWR_CR_PLS_SHIFT (5) /* Bits 7-5: PVD Level Selection */
#define PWR_CR_PLS_MASK (7 << PWR_CR_PLS_SHIFT)
# define PWR_CR_2p2V (0 << PWR_CR_PLS_SHIFT) /* 000: 2.2V */
# define PWR_CR_2p3V (1 << PWR_CR_PLS_SHIFT) /* 001: 2.3V */
# define PWR_CR_2p4V (2 << PWR_CR_PLS_SHIFT) /* 010: 2.4V */
# define PWR_CR_2p5V (3 << PWR_CR_PLS_SHIFT) /* 011: 2.5V */
# define PWR_CR_2p6V (4 << PWR_CR_PLS_SHIFT) /* 100: 2.6V */
# define PWR_CR_2p7V (5 << PWR_CR_PLS_SHIFT) /* 101: 2.7V */
# define PWR_CR_2p8V (6 << PWR_CR_PLS_SHIFT) /* 110: 2.8V */
# define PWR_CR_2p9V (7 << PWR_CR_PLS_SHIFT) /* 111: 2.9V */
#define PWR_CR_DBP (1 << 8) /* Bit 8: Disable Backup Domain write protection */
#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
# define PWR_CR_FPDS (1 << 9) /* Bit 9: Flash power down in Stop mode */
# define PWR_CR_VOS (1 << 14) /* Bit 14: Regulator voltage scaling output selection */
#endif
/* Power control/status register */
#define PWR_CSR_WUF (1 << 0) /* Bit 0: Wakeup Flag */
#define PWR_CSR_SBF (1 << 1) /* Bit 1: Standby Flag */
#define PWR_CSR_PVDO (1 << 2) /* Bit 2: PVD Output */
#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
# define PWR_CSR_BRR (1 << 3) /* Bit 3: Backup regulator ready */
#endif
#define PWR_CSR_EWUP (1 << 8) /* Bit 8: Enable WKUP pin */
#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
# define PWR_CSR_BRE (1 << 9) /* Bit 9: Backup regulator enable */
# define PWR_CSR_VOSRDY (1 << 14) /* Bit 14: Regulator voltage scaling output selection ready bite */
#endif
#endif /* __ARCH_ARM_SRC_STM32_CHIP_STM32_PWR_H */
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