diff options
Diffstat (limited to 'nuttx/arch/arm/src/stm32/chip/stm32_bkp.h')
-rw-r--r-- | nuttx/arch/arm/src/stm32/chip/stm32_bkp.h | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/stm32/chip/stm32_bkp.h b/nuttx/arch/arm/src/stm32/chip/stm32_bkp.h new file mode 100644 index 000000000..1788bdee0 --- /dev/null +++ b/nuttx/arch/arm/src/stm32/chip/stm32_bkp.h @@ -0,0 +1,190 @@ +/************************************************************************************ + * arch/arm/src/stm32/chip/stm32_bkp.h + * + * Copyright (C) 2009 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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_BKP_H +#define __ARCH_ARM_SRC_STM32_CHIP_STM32_BKP_H + +/************************************************************************************ + * Pre-processor Definitions + ************************************************************************************/ + +#if defined(CONFIG_STM32_HIGHDENSITY) || defined(CONFIG_STM32_CONNECTIVITYLINE) +# define CONFIG_STM32_NBKP_BYTES 84 +# define CONFIG_STM32_NBKP_REGS 42 +#else +# define CONFIG_STM32_NBKP_BYTES 20 +# define CONFIG_STM32_NBKP_REGS 10 +#endif + +/* Register Offsets *****************************************************************/ + +#if defined(CONFIG_STM32_HIGHDENSITY) || defined(CONFIG_STM32_CONNECTIVITYLINE) +# define STM32_BKP_DR_OFFSET(n) ((n) > 10 ? 0x0040+4*((n)-10) : 0x0004+4*(n)) +#else +# define STM32_BKP_DR_OFFSET(n) (0x0004+4*(n)) +#endif + +#define STM32_BKP_DR1_OFFSET 0x0004 /* Backup data register 1 */ +#define STM32_BKP_DR2_OFFSET 0x0008 /* Backup data register 2 */ +#define STM32_BKP_DR3_OFFSET 0x000c /* Backup data register 3 */ +#define STM32_BKP_DR4_OFFSET 0x0010 /* Backup data register 4 */ +#define STM32_BKP_DR5_OFFSET 0x0014 /* Backup data register 5 */ +#define STM32_BKP_DR6_OFFSET 0x0018 /* Backup data register 6 */ +#define STM32_BKP_DR7_OFFSET 0x001c /* Backup data register 7 */ +#define STM32_BKP_DR8_OFFSET 0x0020 /* Backup data register 8 */ +#define STM32_BKP_DR9_OFFSET 0x0024 /* Backup data register 9 */ +#define STM32_BKP_DR10_OFFSET 0x0028 /* Backup data register 10 */ + +#define STM32_BKP_RTCCR_OFFSET 0x002c /* RTC clock calibration register */ +#define STM32_BKP_CR_OFFSET 0x0030 /* Backup control register */ +#define STM32_BKP_CSR_OFFSET 0x0034 /* Backup control/status register */ + +#if defined(CONFIG_STM32_HIGHDENSITY) || defined(CONFIG_STM32_CONNECTIVITYLINE) +# define STM32_BKP_DR11_OFFSET 0x0040 /* Backup data register 11 */ +# define STM32_BKP_DR12_OFFSET 0x0044 /* Backup data register 12 */ +# define STM32_BKP_DR13_OFFSET 0x0048 /* Backup data register 13 */ +# define STM32_BKP_DR14_OFFSET 0x004c /* Backup data register 14 */ +# define STM32_BKP_DR15_OFFSET 0x0050 /* Backup data register 15 */ +# define STM32_BKP_DR16_OFFSET 0x0054 /* Backup data register 16 */ +# define STM32_BKP_DR17_OFFSET 0x0058 /* Backup data register 17 */ +# define STM32_BKP_DR18_OFFSET 0x005c /* Backup data register 18 */ +# define STM32_BKP_DR19_OFFSET 0x0060 /* Backup data register 19 */ +# define STM32_BKP_DR20_OFFSET 0x0064 /* Backup data register 20 */ +# define STM32_BKP_DR21_OFFSET 0x0068 /* Backup data register 21 */ +# define STM32_BKP_DR22_OFFSET 0x006c /* Backup data register 22 */ +# define STM32_BKP_DR23_OFFSET 0x0070 /* Backup data register 23 */ +# define STM32_BKP_DR24_OFFSET 0x0074 /* Backup data register 24 */ +# define STM32_BKP_DR25_OFFSET 0x0078 /* Backup data register 25 */ +# define STM32_BKP_DR26_OFFSET 0x007c /* Backup data register 26 */ +# define STM32_BKP_DR27_OFFSET 0x0080 /* Backup data register 27 */ +# define STM32_BKP_DR28_OFFSET 0x0084 /* Backup data register 28 */ +# define STM32_BKP_DR29_OFFSET 0x0088 /* Backup data register 29 */ +# define STM32_BKP_DR30_OFFSET 0x008c /* Backup data register 30 */ +# define STM32_BKP_DR31_OFFSET 0x0090 /* Backup data register 31 */ +# define STM32_BKP_DR32_OFFSET 0x0094 /* Backup data register 32 */ +# define STM32_BKP_DR33_OFFSET 0x0098 /* Backup data register 33 */ +# define STM32_BKP_DR34_OFFSET 0x009c /* Backup data register 34 */ +# define STM32_BKP_DR35_OFFSET 0x00a0 /* Backup data register 35 */ +# define STM32_BKP_DR36_OFFSET 0x00a4 /* Backup data register 36 */ +# define STM32_BKP_DR37_OFFSET 0x00a8 /* Backup data register 37 */ +# define STM32_BKP_DR38_OFFSET 0x00ac /* Backup data register 38 */ +# define STM32_BKP_DR39_OFFSET 0x00b0 /* Backup data register 39 */ +# define STM32_BKP_DR40_OFFSET 0x00b4 /* Backup data register 40 */ +# define STM32_BKP_DR41_OFFSET 0x00b8 /* Backup data register 41 */ +# define STM32_BKP_DR42_OFFSET 0x00bc /* Backup data register 42 */ +#endif + +/* Register Addresses ***************************************************************/ + +#define STM32_BKP_RTCCR (STM32_BKP_BASE+STM32_BKP_RTCCR_OFFSET) +#define STM32_BKP_CR (STM32_BKP_BASE+STM32_BKP_CR_OFFSET) +#define STM32_BKP_CSR (STM32_BKP_BASE+STM32_BKP_CSR_OFFSET) + +#define STM32_BKP_DR(n) (STM32_BKP_BASE+STM32_BKP_DR_OFFSET(n)) +#define STM32_BKP_DR1 (STM32_BKP_BASE+STM32_BKP_DR1_OFFSET) +#define STM32_BKP_DR2 (STM32_BKP_BASE+STM32_BKP_DR2_OFFSET) +#define STM32_BKP_DR3 (STM32_BKP_BASE+STM32_BKP_DR3_OFFSET) +#define STM32_BKP_DR4 (STM32_BKP_BASE+STM32_BKP_DR4_OFFSET) +#define STM32_BKP_DR5 (STM32_BKP_BASE+STM32_BKP_DR5_OFFSET) +#define STM32_BKP_DR6 (STM32_BKP_BASE+STM32_BKP_DR6_OFFSET) +#define STM32_BKP_DR7 (STM32_BKP_BASE+STM32_BKP_DR7_OFFSET) +#define STM32_BKP_DR8 (STM32_BKP_BASE+STM32_BKP_DR8_OFFSET) +#define STM32_BKP_DR9 (STM32_BKP_BASE+STM32_BKP_DR9_OFFSET) +#define STM32_BKP_DR10 (STM32_BKP_BASE+STM32_BKP_DR10_OFFSET) + +#if defined(CONFIG_STM32_HIGHDENSITY) || defined(CONFIG_STM32_CONNECTIVITYLINE) +# define STM32_BKP_DR11 (STM32_BKP_BASE+STM32_BKP_DR11_OFFSET) +# define STM32_BKP_DR12 (STM32_BKP_BASE+STM32_BKP_DR12_OFFSET) +# define STM32_BKP_DR13 (STM32_BKP_BASE+STM32_BKP_DR13_OFFSET) +# define STM32_BKP_DR14 (STM32_BKP_BASE+STM32_BKP_DR14_OFFSET) +# define STM32_BKP_DR15 (STM32_BKP_BASE+STM32_BKP_DR15_OFFSET) +# define STM32_BKP_DR16 (STM32_BKP_BASE+STM32_BKP_DR16_OFFSET) +# define STM32_BKP_DR17 (STM32_BKP_BASE+STM32_BKP_DR17_OFFSET) +# define STM32_BKP_DR18 (STM32_BKP_BASE+STM32_BKP_DR18_OFFSET) +# define STM32_BKP_DR19 (STM32_BKP_BASE+STM32_BKP_DR19_OFFSET) +# define STM32_BKP_DR20 (STM32_BKP_BASE+STM32_BKP_DR20_OFFSET) +# define STM32_BKP_DR21 (STM32_BKP_BASE+STM32_BKP_DR21_OFFSET) +# define STM32_BKP_DR22 (STM32_BKP_BASE+STM32_BKP_DR22_OFFSET) +# define STM32_BKP_DR23 (STM32_BKP_BASE+STM32_BKP_DR23_OFFSET) +# define STM32_BKP_DR24 (STM32_BKP_BASE+STM32_BKP_DR24_OFFSET) +# define STM32_BKP_DR25 (STM32_BKP_BASE+STM32_BKP_DR25_OFFSET) +# define STM32_BKP_DR26 (STM32_BKP_BASE+STM32_BKP_DR26_OFFSET) +# define STM32_BKP_DR27 (STM32_BKP_BASE+STM32_BKP_DR27_OFFSET) +# define STM32_BKP_DR28 (STM32_BKP_BASE+STM32_BKP_DR28_OFFSET) +# define STM32_BKP_DR29 (STM32_BKP_BASE+STM32_BKP_DR29_OFFSET) +# define STM32_BKP_DR30 (STM32_BKP_BASE+STM32_BKP_DR30_OFFSET) +# define STM32_BKP_DR31 (STM32_BKP_BASE+STM32_BKP_DR31_OFFSET) +# define STM32_BKP_DR32 (STM32_BKP_BASE+STM32_BKP_DR32_OFFSET) +# define STM32_BKP_DR33 (STM32_BKP_BASE+STM32_BKP_DR33_OFFSET) +# define STM32_BKP_DR34 (STM32_BKP_BASE+STM32_BKP_DR34_OFFSET) +# define STM32_BKP_DR35 (STM32_BKP_BASE+STM32_BKP_DR35_OFFSET) +# define STM32_BKP_DR36 (STM32_BKP_BASE+STM32_BKP_DR36_OFFSET) +# define STM32_BKP_DR37 (STM32_BKP_BASE+STM32_BKP_DR37_OFFSET) +# define STM32_BKP_DR38 (STM32_BKP_BASE+STM32_BKP_DR38_OFFSET) +# define STM32_BKP_DR39 (STM32_BKP_BASE+STM32_BKP_DR39_OFFSET) +# define STM32_BKP_DR40 (STM32_BKP_BASE+STM32_BKP_DR40_OFFSET) +# define STM32_BKP_DR41 (STM32_BKP_BASE+STM32_BKP_DR41_OFFSET) +# define STM32_BKP_DR42 (STM32_BKP_BASE+STM32_BKP_DR42_OFFSET) +#endif + +/* Register Bitfield Definitions ****************************************************/ + +/* RTC clock calibration register */ + +#define BKP_RTCCR_CAL_SHIFT (0) /* Bits 6-0: Calibration value */ +#define BKP_RTCCR_CAL_MASK (0x7f << BKP_RTCCR_CAL_SHIFT) +#define BKP_RTCCR_CCO (1 << 7) /* Bit 7: Calibration Clock Output */ +#define BKP_RTCCR_ASOE (1 << 8) /* Bit 8: Alarm or Second Output Enable */ +#define BKP_RTCCR_ASOS (1 << 9) /* Bit 9: Alarm or Second Output Selection */ + +/* Backup control register */ + +#define BKP_CR_TPE (1 << 0) /* Bit 0: TAMPER pin enable */ +#define BKP_CR_TPAL (1 << 1) /* Bit 1: TAMPER pin active level */ + +/* Backup control/status register */ + +#define BKP_CSR_CTE (1 << 0) /* Bit 0: Clear Tamper event */ +#define BKP_CSR_CTI (1 << 1) /* Bit 1: Clear Tamper Interrupt */ +#define BKP_CSR_TPIE (1 << 2) /* Bit 2: TAMPER Pin interrupt enable */ +#define BKP_CSR_TEF (1 << 8) /* Bit 8: Tamper Event Flag */ +#define BKP_CSR_TIF (1 << 9) /* Bit 9: Tamper Interrupt Flag */ + +/* Backup data register */ + +#define BKP_DR_SHIFT (0) /* Bits 1510: Backup data */ +#define BKP_DR_MASK (0xffff << BKP_DR_SHIFT) + +#endif /* __ARCH_ARM_SRC_STM32_CHIP_STM32_BKP_H */ |