diff options
Diffstat (limited to 'libmaple/stm32f1/include/series/rcc.h')
| -rw-r--r-- | libmaple/stm32f1/include/series/rcc.h | 599 |
1 files changed, 599 insertions, 0 deletions
diff --git a/libmaple/stm32f1/include/series/rcc.h b/libmaple/stm32f1/include/series/rcc.h new file mode 100644 index 0000000..225ca49 --- /dev/null +++ b/libmaple/stm32f1/include/series/rcc.h @@ -0,0 +1,599 @@ +/****************************************************************************** + * The MIT License + * + * Copyright (c) 2010 Perry Hung. + * Copyright (c) 2011 LeafLabs, LLC. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + *****************************************************************************/ + +/** + * @file libmaple/stm32f1/include/series/rcc.h + * @brief STM32F1 reset and clock control (RCC) support. + */ + +#ifndef _LIBMAPLE_STM32F1_RCC_H_ +#define _LIBMAPLE_STM32F1_RCC_H_ + +#ifdef __cplusplus +extern "C"{ +#endif + +#include <libmaple/libmaple_types.h> + +/* + * Register map + */ + +/** STM32F1 RCC register map type */ +typedef struct rcc_reg_map { + __io uint32 CR; /**< Clock control register */ + __io uint32 CFGR; /**< Clock configuration register */ + __io uint32 CIR; /**< Clock interrupt register */ + __io uint32 APB2RSTR; /**< APB2 peripheral reset register */ + __io uint32 APB1RSTR; /**< APB1 peripheral reset register */ + __io uint32 AHBENR; /**< AHB peripheral clock enable register */ + __io uint32 APB2ENR; /**< APB2 peripheral clock enable register */ + __io uint32 APB1ENR; /**< APB1 peripheral clock enable register */ + __io uint32 BDCR; /**< Backup domain control register */ + __io uint32 CSR; /**< Control/status register */ +} rcc_reg_map; + +#define RCC_BASE ((struct rcc_reg_map*)0x40021000) + +/* + * Register bit definitions + */ + +/* Clock control register */ + +#define RCC_CR_PLLRDY_BIT 25 +#define RCC_CR_PLLON_BIT 24 +#define RCC_CR_CSSON_BIT 19 +#define RCC_CR_HSEBYP_BIT 18 +#define RCC_CR_HSERDY_BIT 17 +#define RCC_CR_HSEON_BIT 16 +#define RCC_CR_HSIRDY_BIT 1 +#define RCC_CR_HSION_BIT 0 + +#define RCC_CR_PLLRDY (1U << RCC_CR_PLLRDY_BIT) +#define RCC_CR_PLLON (1U << RCC_CR_PLLON_BIT) +#define RCC_CR_CSSON (1U << RCC_CR_CSSON_BIT) +#define RCC_CR_HSEBYP (1U << RCC_CR_HSEBYP_BIT) +#define RCC_CR_HSERDY (1U << RCC_CR_HSERDY_BIT) +#define RCC_CR_HSEON (1U << RCC_CR_HSEON_BIT) +#define RCC_CR_HSICAL (0xFF << 8) +#define RCC_CR_HSITRIM (0x1F << 3) +#define RCC_CR_HSIRDY (1U << RCC_CR_HSIRDY_BIT) +#define RCC_CR_HSION (1U << RCC_CR_HSION_BIT) + +/* Clock configuration register */ + +#define RCC_CFGR_USBPRE_BIT 22 +#define RCC_CFGR_PLLXTPRE_BIT 17 +#define RCC_CFGR_PLLSRC_BIT 16 + +#define RCC_CFGR_MCO (0x3 << 24) +#define RCC_CFGR_USBPRE (1U << RCC_CFGR_USBPRE_BIT) +#define RCC_CFGR_PLLMUL (0xF << 18) +#define RCC_CFGR_PLLXTPRE (1U << RCC_CFGR_PLLXTPRE_BIT) +#define RCC_CFGR_PLLSRC (1U << RCC_CFGR_PLLSRC_BIT) +#define RCC_CFGR_ADCPRE (0x3 << 14) +#define RCC_CFGR_PPRE2 (0x7 << 11) +#define RCC_CFGR_PPRE1 (0x7 << 8) +#define RCC_CFGR_HPRE (0xF << 4) +#define RCC_CFGR_SWS (0x3 << 2) +#define RCC_CFGR_SWS_PLL (0x2 << 2) +#define RCC_CFGR_SWS_HSE (0x1 << 2) +#define RCC_CFGR_SW 0x3 +#define RCC_CFGR_SW_PLL 0x2 +#define RCC_CFGR_SW_HSE 0x1 + +/* Clock interrupt register */ + +#define RCC_CIR_CSSC_BIT 23 +#define RCC_CIR_PLLRDYC_BIT 20 +#define RCC_CIR_HSERDYC_BIT 19 +#define RCC_CIR_HSIRDYC_BIT 18 +#define RCC_CIR_LSERDYC_BIT 17 +#define RCC_CIR_LSIRDYC_BIT 16 +#define RCC_CIR_PLLRDYIE_BIT 12 +#define RCC_CIR_HSERDYIE_BIT 11 +#define RCC_CIR_HSIRDYIE_BIT 10 +#define RCC_CIR_LSERDYIE_BIT 9 +#define RCC_CIR_LSIRDYIE_BIT 8 +#define RCC_CIR_CSSF_BIT 7 +#define RCC_CIR_PLLRDYF_BIT 4 +#define RCC_CIR_HSERDYF_BIT 3 +#define RCC_CIR_HSIRDYF_BIT 2 +#define RCC_CIR_LSERDYF_BIT 1 +#define RCC_CIR_LSIRDYF_BIT 0 + +#define RCC_CIR_CSSC (1U << RCC_CIR_CSSC_BIT) +#define RCC_CIR_PLLRDYC (1U << RCC_CIR_PLLRDYC_BIT) +#define RCC_CIR_HSERDYC (1U << RCC_CIR_HSERDYC_BIT) +#define RCC_CIR_HSIRDYC (1U << RCC_CIR_HSIRDYC_BIT) +#define RCC_CIR_LSERDYC (1U << RCC_CIR_LSERDYC_BIT) +#define RCC_CIR_LSIRDYC (1U << RCC_CIR_LSIRDYC_BIT) +#define RCC_CIR_PLLRDYIE (1U << RCC_CIR_PLLRDYIE_BIT) +#define RCC_CIR_HSERDYIE (1U << RCC_CIR_HSERDYIE_BIT) +#define RCC_CIR_HSIRDYIE (1U << RCC_CIR_HSIRDYIE_BIT) +#define RCC_CIR_LSERDYIE (1U << RCC_CIR_LSERDYIE_BIT) +#define RCC_CIR_LSIRDYIE (1U << RCC_CIR_LSIRDYIE_BIT) +#define RCC_CIR_CSSF (1U << RCC_CIR_CSSF_BIT) +#define RCC_CIR_PLLRDYF (1U << RCC_CIR_PLLRDYF_BIT) +#define RCC_CIR_HSERDYF (1U << RCC_CIR_HSERDYF_BIT) +#define RCC_CIR_HSIRDYF (1U << RCC_CIR_HSIRDYF_BIT) +#define RCC_CIR_LSERDYF (1U << RCC_CIR_LSERDYF_BIT) +#define RCC_CIR_LSIRDYF (1U << RCC_CIR_LSIRDYF_BIT) + +/* APB2 peripheral reset register */ + +#define RCC_APB2RSTR_TIM11RST_BIT 21 +#define RCC_APB2RSTR_TIM10RST_BIT 20 +#define RCC_APB2RSTR_TIM9RST_BIT 19 +#define RCC_APB2RSTR_ADC3RST_BIT 15 +#define RCC_APB2RSTR_USART1RST_BIT 14 +#define RCC_APB2RSTR_TIM8RST_BIT 13 +#define RCC_APB2RSTR_SPI1RST_BIT 12 +#define RCC_APB2RSTR_TIM1RST_BIT 11 +#define RCC_APB2RSTR_ADC2RST_BIT 10 +#define RCC_APB2RSTR_ADC1RST_BIT 9 +#define RCC_APB2RSTR_IOPGRST_BIT 8 +#define RCC_APB2RSTR_IOPFRST_BIT 7 +#define RCC_APB2RSTR_IOPERST_BIT 6 +#define RCC_APB2RSTR_IOPDRST_BIT 5 +#define RCC_APB2RSTR_IOPCRST_BIT 4 +#define RCC_APB2RSTR_IOPBRST_BIT 3 +#define RCC_APB2RSTR_IOPARST_BIT 2 +#define RCC_APB2RSTR_AFIORST_BIT 0 + +#define RCC_APB2RSTR_TIM11RST (1U << RCC_APB2RSTR_TIM11RST_BIT) +#define RCC_APB2RSTR_TIM10RST (1U << RCC_APB2RSTR_TIM10RST_BIT) +#define RCC_APB2RSTR_TIM9RST (1U << RCC_APB2RSTR_TIM9RST_BIT) +#define RCC_APB2RSTR_ADC3RST (1U << RCC_APB2RSTR_ADC3RST_BIT) +#define RCC_APB2RSTR_USART1RST (1U << RCC_APB2RSTR_USART1RST_BIT) +#define RCC_APB2RSTR_TIM8RST (1U << RCC_APB2RSTR_TIM8RST_BIT) +#define RCC_APB2RSTR_SPI1RST (1U << RCC_APB2RSTR_SPI1RST_BIT) +#define RCC_APB2RSTR_TIM1RST (1U << RCC_APB2RSTR_TIM1RST_BIT) +#define RCC_APB2RSTR_ADC2RST (1U << RCC_APB2RSTR_ADC2RST_BIT) +#define RCC_APB2RSTR_ADC1RST (1U << RCC_APB2RSTR_ADC1RST_BIT) +#define RCC_APB2RSTR_IOPGRST (1U << RCC_APB2RSTR_IOPGRST_BIT) +#define RCC_APB2RSTR_IOPFRST (1U << RCC_APB2RSTR_IOPFRST_BIT) +#define RCC_APB2RSTR_IOPERST (1U << RCC_APB2RSTR_IOPERST_BIT) +#define RCC_APB2RSTR_IOPDRST (1U << RCC_APB2RSTR_IOPDRST_BIT) +#define RCC_APB2RSTR_IOPCRST (1U << RCC_APB2RSTR_IOPCRST_BIT) +#define RCC_APB2RSTR_IOPBRST (1U << RCC_APB2RSTR_IOPBRST_BIT) +#define RCC_APB2RSTR_IOPARST (1U << RCC_APB2RSTR_IOPARST_BIT) +#define RCC_APB2RSTR_AFIORST (1U << RCC_APB2RSTR_AFIORST_BIT) + +/* APB1 peripheral reset register */ + +#define RCC_APB1RSTR_DACRST_BIT 29 +#define RCC_APB1RSTR_PWRRST_BIT 28 +#define RCC_APB1RSTR_BKPRST_BIT 27 +#define RCC_APB1RSTR_CANRST_BIT 25 +#define RCC_APB1RSTR_USBRST_BIT 23 +#define RCC_APB1RSTR_I2C2RST_BIT 22 +#define RCC_APB1RSTR_I2C1RST_BIT 21 +#define RCC_APB1RSTR_UART5RST_BIT 20 +#define RCC_APB1RSTR_UART4RST_BIT 19 +#define RCC_APB1RSTR_USART3RST_BIT 18 +#define RCC_APB1RSTR_USART2RST_BIT 17 +#define RCC_APB1RSTR_SPI3RST_BIT 15 +#define RCC_APB1RSTR_SPI2RST_BIT 14 +#define RCC_APB1RSTR_WWDRST_BIT 11 +#define RCC_APB1RSTR_TIM14RST_BIT 8 +#define RCC_APB1RSTR_TIM13RST_BIT 7 +#define RCC_APB1RSTR_TIM12RST_BIT 6 +#define RCC_APB1RSTR_TIM7RST_BIT 5 +#define RCC_APB1RSTR_TIM6RST_BIT 4 +#define RCC_APB1RSTR_TIM5RST_BIT 3 +#define RCC_APB1RSTR_TIM4RST_BIT 2 +#define RCC_APB1RSTR_TIM3RST_BIT 1 +#define RCC_APB1RSTR_TIM2RST_BIT 0 + +#define RCC_APB1RSTR_DACRST (1U << RCC_APB1RSTR_DACRST_BIT) +#define RCC_APB1RSTR_PWRRST (1U << RCC_APB1RSTR_PWRRST_BIT) +#define RCC_APB1RSTR_BKPRST (1U << RCC_APB1RSTR_BKPRST_BIT) +#define RCC_APB1RSTR_CANRST (1U << RCC_APB1RSTR_CANRST_BIT) +#define RCC_APB1RSTR_USBRST (1U << RCC_APB1RSTR_USBRST_BIT) +#define RCC_APB1RSTR_I2C2RST (1U << RCC_APB1RSTR_I2C2RST_BIT) +#define RCC_APB1RSTR_I2C1RST (1U << RCC_APB1RSTR_I2C1RST_BIT) +#define RCC_APB1RSTR_UART5RST (1U << RCC_APB1RSTR_UART5RST_BIT) +#define RCC_APB1RSTR_UART4RST (1U << RCC_APB1RSTR_UART4RST_BIT) +#define RCC_APB1RSTR_USART3RST (1U << RCC_APB1RSTR_USART3RST_BIT) +#define RCC_APB1RSTR_USART2RST (1U << RCC_APB1RSTR_USART2RST_BIT) +#define RCC_APB1RSTR_SPI3RST (1U << RCC_APB1RSTR_SPI3RST_BIT) +#define RCC_APB1RSTR_SPI2RST (1U << RCC_APB1RSTR_SPI2RST_BIT) +#define RCC_APB1RSTR_WWDRST (1U << RCC_APB1RSTR_WWDRST_BIT) +#define RCC_APB1RSTR_TIM14RST (1U << RCC_APB1RSTR_TIM14RST_BIT) +#define RCC_APB1RSTR_TIM13RST (1U << RCC_APB1RSTR_TIM13RST_BIT) +#define RCC_APB1RSTR_TIM12RST (1U << RCC_APB1RSTR_TIM12RST_BIT) +#define RCC_APB1RSTR_TIM7RST (1U << RCC_APB1RSTR_TIM7RST_BIT) +#define RCC_APB1RSTR_TIM6RST (1U << RCC_APB1RSTR_TIM6RST_BIT) +#define RCC_APB1RSTR_TIM5RST (1U << RCC_APB1RSTR_TIM5RST_BIT) +#define RCC_APB1RSTR_TIM4RST (1U << RCC_APB1RSTR_TIM4RST_BIT) +#define RCC_APB1RSTR_TIM3RST (1U << RCC_APB1RSTR_TIM3RST_BIT) +#define RCC_APB1RSTR_TIM2RST (1U << RCC_APB1RSTR_TIM2RST_BIT) + +/* AHB peripheral clock enable register */ + +#define RCC_AHBENR_SDIOEN_BIT 10 +#define RCC_AHBENR_FSMCEN_BIT 8 +#define RCC_AHBENR_CRCEN_BIT 7 +#define RCC_AHBENR_FLITFEN_BIT 4 +#define RCC_AHBENR_SRAMEN_BIT 2 +#define RCC_AHBENR_DMA2EN_BIT 1 +#define RCC_AHBENR_DMA1EN_BIT 0 + +#define RCC_AHBENR_SDIOEN (1U << RCC_AHBENR_SDIOEN_BIT) +#define RCC_AHBENR_FSMCEN (1U << RCC_AHBENR_FSMCEN_BIT) +#define RCC_AHBENR_CRCEN (1U << RCC_AHBENR_CRCEN_BIT) +#define RCC_AHBENR_FLITFEN (1U << RCC_AHBENR_FLITFEN_BIT) +#define RCC_AHBENR_SRAMEN (1U << RCC_AHBENR_SRAMEN_BIT) +#define RCC_AHBENR_DMA2EN (1U << RCC_AHBENR_DMA2EN_BIT) +#define RCC_AHBENR_DMA1EN (1U << RCC_AHBENR_DMA1EN_BIT) + +/* APB2 peripheral clock enable register */ + +#define RCC_APB2ENR_TIM11EN_BIT 21 +#define RCC_APB2ENR_TIM10EN_BIT 20 +#define RCC_APB2ENR_TIM9EN_BIT 19 +#define RCC_APB2ENR_ADC3EN_BIT 15 +#define RCC_APB2ENR_USART1EN_BIT 14 +#define RCC_APB2ENR_TIM8EN_BIT 13 +#define RCC_APB2ENR_SPI1EN_BIT 12 +#define RCC_APB2ENR_TIM1EN_BIT 11 +#define RCC_APB2ENR_ADC2EN_BIT 10 +#define RCC_APB2ENR_ADC1EN_BIT 9 +#define RCC_APB2ENR_IOPGEN_BIT 8 +#define RCC_APB2ENR_IOPFEN_BIT 7 +#define RCC_APB2ENR_IOPEEN_BIT 6 +#define RCC_APB2ENR_IOPDEN_BIT 5 +#define RCC_APB2ENR_IOPCEN_BIT 4 +#define RCC_APB2ENR_IOPBEN_BIT 3 +#define RCC_APB2ENR_IOPAEN_BIT 2 +#define RCC_APB2ENR_AFIOEN_BIT 0 + +#define RCC_APB2ENR_TIM11EN (1U << RCC_APB2ENR_TIM11EN_BIT) +#define RCC_APB2ENR_TIM10EN (1U << RCC_APB2ENR_TIM10EN_BIT) +#define RCC_APB2ENR_TIM9EN (1U << RCC_APB2ENR_TIM9EN_BIT) +#define RCC_APB2ENR_ADC3EN (1U << RCC_APB2ENR_ADC3EN_BIT) +#define RCC_APB2ENR_USART1EN (1U << RCC_APB2ENR_USART1EN_BIT) +#define RCC_APB2ENR_TIM8EN (1U << RCC_APB2ENR_TIM8EN_BIT) +#define RCC_APB2ENR_SPI1EN (1U << RCC_APB2ENR_SPI1EN_BIT) +#define RCC_APB2ENR_TIM1EN (1U << RCC_APB2ENR_TIM1EN_BIT) +#define RCC_APB2ENR_ADC2EN (1U << RCC_APB2ENR_ADC2EN_BIT) +#define RCC_APB2ENR_ADC1EN (1U << RCC_APB2ENR_ADC1EN_BIT) +#define RCC_APB2ENR_IOPGEN (1U << RCC_APB2ENR_IOPGEN_BIT) +#define RCC_APB2ENR_IOPFEN (1U << RCC_APB2ENR_IOPFEN_BIT) +#define RCC_APB2ENR_IOPEEN (1U << RCC_APB2ENR_IOPEEN_BIT) +#define RCC_APB2ENR_IOPDEN (1U << RCC_APB2ENR_IOPDEN_BIT) +#define RCC_APB2ENR_IOPCEN (1U << RCC_APB2ENR_IOPCEN_BIT) +#define RCC_APB2ENR_IOPBEN (1U << RCC_APB2ENR_IOPBEN_BIT) +#define RCC_APB2ENR_IOPAEN (1U << RCC_APB2ENR_IOPAEN_BIT) +#define RCC_APB2ENR_AFIOEN (1U << RCC_APB2ENR_AFIOEN_BIT) + +/* APB1 peripheral clock enable register */ + +#define RCC_APB1ENR_DACEN_BIT 29 +#define RCC_APB1ENR_PWREN_BIT 28 +#define RCC_APB1ENR_BKPEN_BIT 27 +#define RCC_APB1ENR_CANEN_BIT 25 +#define RCC_APB1ENR_USBEN_BIT 23 +#define RCC_APB1ENR_I2C2EN_BIT 22 +#define RCC_APB1ENR_I2C1EN_BIT 21 +#define RCC_APB1ENR_UART5EN_BIT 20 +#define RCC_APB1ENR_UART4EN_BIT 19 +#define RCC_APB1ENR_USART3EN_BIT 18 +#define RCC_APB1ENR_USART2EN_BIT 17 +#define RCC_APB1ENR_SPI3EN_BIT 15 +#define RCC_APB1ENR_SPI2EN_BIT 14 +#define RCC_APB1ENR_WWDEN_BIT 11 +#define RCC_APB1ENR_TIM14EN_BIT 8 +#define RCC_APB1ENR_TIM13EN_BIT 7 +#define RCC_APB1ENR_TIM12EN_BIT 6 +#define RCC_APB1ENR_TIM7EN_BIT 5 +#define RCC_APB1ENR_TIM6EN_BIT 4 +#define RCC_APB1ENR_TIM5EN_BIT 3 +#define RCC_APB1ENR_TIM4EN_BIT 2 +#define RCC_APB1ENR_TIM3EN_BIT 1 +#define RCC_APB1ENR_TIM2EN_BIT 0 + +#define RCC_APB1ENR_DACEN (1U << RCC_APB1ENR_DACEN_BIT) +#define RCC_APB1ENR_PWREN (1U << RCC_APB1ENR_PWREN_BIT) +#define RCC_APB1ENR_BKPEN (1U << RCC_APB1ENR_BKPEN_BIT) +#define RCC_APB1ENR_CANEN (1U << RCC_APB1ENR_CANEN_BIT) +#define RCC_APB1ENR_USBEN (1U << RCC_APB1ENR_USBEN_BIT) +#define RCC_APB1ENR_I2C2EN (1U << RCC_APB1ENR_I2C2EN_BIT) +#define RCC_APB1ENR_I2C1EN (1U << RCC_APB1ENR_I2C1EN_BIT) +#define RCC_APB1ENR_UART5EN (1U << RCC_APB1ENR_UART5EN_BIT) +#define RCC_APB1ENR_UART4EN (1U << RCC_APB1ENR_UART4EN_BIT) +#define RCC_APB1ENR_USART3EN (1U << RCC_APB1ENR_USART3EN_BIT) +#define RCC_APB1ENR_USART2EN (1U << RCC_APB1ENR_USART2EN_BIT) +#define RCC_APB1ENR_SPI3EN (1U << RCC_APB1ENR_SPI3EN_BIT) +#define RCC_APB1ENR_SPI2EN (1U << RCC_APB1ENR_SPI2EN_BIT) +#define RCC_APB1ENR_WWDEN (1U << RCC_APB1ENR_WWDEN_BIT) +#define RCC_APB1ENR_TIM14EN (1U << RCC_APB1ENR_TIM14EN_BIT) +#define RCC_APB1ENR_TIM13EN (1U << RCC_APB1ENR_TIM13EN_BIT) +#define RCC_APB1ENR_TIM12EN (1U << RCC_APB1ENR_TIM12EN_BIT) +#define RCC_APB1ENR_TIM7EN (1U << RCC_APB1ENR_TIM7EN_BIT) +#define RCC_APB1ENR_TIM6EN (1U << RCC_APB1ENR_TIM6EN_BIT) +#define RCC_APB1ENR_TIM5EN (1U << RCC_APB1ENR_TIM5EN_BIT) +#define RCC_APB1ENR_TIM4EN (1U << RCC_APB1ENR_TIM4EN_BIT) +#define RCC_APB1ENR_TIM3EN (1U << RCC_APB1ENR_TIM3EN_BIT) +#define RCC_APB1ENR_TIM2EN (1U << RCC_APB1ENR_TIM2EN_BIT) + +/* Backup domain control register */ + +#define RCC_BDCR_BDRST_BIT 16 +#define RCC_BDCR_RTCEN_BIT 15 +#define RCC_BDCR_LSEBYP_BIT 2 +#define RCC_BDCR_LSERDY_BIT 1 +#define RCC_BDCR_LSEON_BIT 0 + +#define RCC_BDCR_BDRST (1U << RCC_BDCR_BDRST_BIT) +#define RCC_BDCR_RTCEN (1U << RCC_BDCR_RTC_BIT) +#define RCC_BDCR_RTCSEL (0x3 << 8) +#define RCC_BDCR_RTCSEL_NONE (0x0 << 8) +#define RCC_BDCR_RTCSEL_LSE (0x1 << 8) +#define RCC_BDCR_RTCSEL_HSE (0x3 << 8) +#define RCC_BDCR_LSEBYP (1U << RCC_BDCR_LSEBYP_BIT) +#define RCC_BDCR_LSERDY (1U << RCC_BDCR_LSERDY_BIT) +#define RCC_BDCR_LSEON (1U << RCC_BDCR_LSEON_BIT) + +/* Control/status register */ + +#define RCC_CSR_LPWRRSTF_BIT 31 +#define RCC_CSR_WWDGRSTF_BIT 30 +#define RCC_CSR_IWDGRSTF_BIT 29 +#define RCC_CSR_SFTRSTF_BIT 28 +#define RCC_CSR_PORRSTF_BIT 27 +#define RCC_CSR_PINRSTF_BIT 26 +#define RCC_CSR_RMVF_BIT 24 +#define RCC_CSR_LSIRDY_BIT 1 +#define RCC_CSR_LSION_BIT 0 + +#define RCC_CSR_LPWRRSTF (1U << RCC_CSR_LPWRRSTF_BIT) +#define RCC_CSR_WWDGRSTF (1U << RCC_CSR_WWDGRSTF_BIT) +#define RCC_CSR_IWDGRSTF (1U << RCC_CSR_IWDGRSTF_BIT) +#define RCC_CSR_SFTRSTF (1U << RCC_CSR_SFTRSTF_BIT) +#define RCC_CSR_PORRSTF (1U << RCC_CSR_PORRSTF_BIT) +#define RCC_CSR_PINRSTF (1U << RCC_CSR_PINRSTF_BIT) +#define RCC_CSR_RMVF (1U << RCC_CSR_RMVF_BIT) +#define RCC_CSR_LSIRDY (1U << RCC_CSR_LSIRDY_BIT) +#define RCC_CSR_LSION (1U << RCC_CSR_LSION_BIT) + +/* + * libmaple-mandated enumeration types. + */ + +/** + * @brief STM32F1 rcc_clk_id. + */ +typedef enum rcc_clk_id { + RCC_ADC1, + RCC_ADC2, + RCC_ADC3, + RCC_AFIO, + RCC_BKP, + RCC_CRC, + RCC_DAC, + RCC_DMA1, + RCC_DMA2, + RCC_FLITF, + RCC_FSMC, + RCC_GPIOA, + RCC_GPIOB, + RCC_GPIOC, + RCC_GPIOD, + RCC_GPIOE, + RCC_GPIOF, + RCC_GPIOG, + RCC_I2C1, + RCC_I2C2, + RCC_PWR, + RCC_SDIO, + RCC_SPI1, + RCC_SPI2, + RCC_SPI3, + RCC_SRAM, + RCC_TIMER1, + RCC_TIMER2, + RCC_TIMER3, + RCC_TIMER4, + RCC_TIMER5, + RCC_TIMER6, + RCC_TIMER7, + RCC_TIMER8, + RCC_TIMER9, + RCC_TIMER10, + RCC_TIMER11, + RCC_TIMER12, + RCC_TIMER13, + RCC_TIMER14, + RCC_USART1, + RCC_USART2, + RCC_USART3, + RCC_UART4, + RCC_UART5, + RCC_USB, +} rcc_clk_id; + +/** + * @brief STM32F1 PLL clock sources. + * @see rcc_configure_pll() + */ +typedef enum rcc_pllsrc { + RCC_PLLSRC_HSE = (0x1 << 16), + RCC_PLLSRC_HSI_DIV_2 = (0x0 << 16) +} rcc_pllsrc; + +/** + * @brief STM32F1 clock domains. + * @see rcc_dev_clk() + */ +typedef enum rcc_clk_domain { + RCC_APB1, + RCC_APB2, + RCC_AHB +} rcc_clk_domain; + +/** + * @brief STM32F1 Prescaler identifiers + * @see rcc_set_prescaler() + */ +typedef enum rcc_prescaler { + RCC_PRESCALER_AHB, + RCC_PRESCALER_APB1, + RCC_PRESCALER_APB2, + RCC_PRESCALER_USB, + RCC_PRESCALER_ADC +} rcc_prescaler; + +/** + * @brief STM32F1 ADC prescaler dividers + * @see rcc_set_prescaler() + */ +typedef enum rcc_adc_divider { + RCC_ADCPRE_PCLK_DIV_2 = 0x0 << 14, + RCC_ADCPRE_PCLK_DIV_4 = 0x1 << 14, + RCC_ADCPRE_PCLK_DIV_6 = 0x2 << 14, + RCC_ADCPRE_PCLK_DIV_8 = 0x3 << 14, +} rcc_adc_divider; + +/** + * @brief STM32F1 APB1 prescaler dividers + * @see rcc_set_prescaler() + */ +typedef enum rcc_apb1_divider { + RCC_APB1_HCLK_DIV_1 = 0x0 << 8, + RCC_APB1_HCLK_DIV_2 = 0x4 << 8, + RCC_APB1_HCLK_DIV_4 = 0x5 << 8, + RCC_APB1_HCLK_DIV_8 = 0x6 << 8, + RCC_APB1_HCLK_DIV_16 = 0x7 << 8, +} rcc_apb1_divider; + +/** + * @brief STM32F1 APB2 prescaler dividers + * @see rcc_set_prescaler() + */ +typedef enum rcc_apb2_divider { + RCC_APB2_HCLK_DIV_1 = 0x0 << 11, + RCC_APB2_HCLK_DIV_2 = 0x4 << 11, + RCC_APB2_HCLK_DIV_4 = 0x5 << 11, + RCC_APB2_HCLK_DIV_8 = 0x6 << 11, + RCC_APB2_HCLK_DIV_16 = 0x7 << 11, +} rcc_apb2_divider; + +/** + * @brief STM32F1 AHB prescaler dividers + * @see rcc_set_prescaler() + */ +typedef enum rcc_ahb_divider { + RCC_AHB_SYSCLK_DIV_1 = 0x0 << 4, + RCC_AHB_SYSCLK_DIV_2 = 0x8 << 4, + RCC_AHB_SYSCLK_DIV_4 = 0x9 << 4, + RCC_AHB_SYSCLK_DIV_8 = 0xA << 4, + RCC_AHB_SYSCLK_DIV_16 = 0xB << 4, + RCC_AHB_SYSCLK_DIV_32 = 0xC << 4, + RCC_AHB_SYSCLK_DIV_64 = 0xD << 4, + RCC_AHB_SYSCLK_DIV_128 = 0xD << 4, + RCC_AHB_SYSCLK_DIV_256 = 0xE << 4, + RCC_AHB_SYSCLK_DIV_512 = 0xF << 4, +} rcc_ahb_divider; + +/** + * @brief STM32F1 clock sources. + */ +typedef enum rcc_clk { + RCC_CLK_PLL = (uint16)((offsetof(struct rcc_reg_map, CR) << 8) | + RCC_CR_PLLON_BIT), /**< Main PLL, clocked by + HSI or HSE. */ + RCC_CLK_HSE = (uint16)((offsetof(struct rcc_reg_map, CR) << 8) | + RCC_CR_HSEON_BIT), /**< High speed external. */ + RCC_CLK_HSI = (uint16)((offsetof(struct rcc_reg_map, CR) << 8) | + RCC_CR_HSION_BIT), /**< High speed internal. */ + RCC_CLK_LSE = (uint16)((offsetof(struct rcc_reg_map, BDCR) << 8) | + RCC_BDCR_LSEON_BIT), /**< Low-speed external + * (32.768 KHz). */ + RCC_CLK_LSI = (uint16)((offsetof(struct rcc_reg_map, CSR) << 8) | + RCC_CSR_LSION_BIT), /**< Low-speed internal + * (approximately 32 KHz). */ +} rcc_clk; + +/** + * @brief STM32F1 PLL multipliers. + */ +typedef enum rcc_pll_multiplier { + RCC_PLLMUL_2 = (0x0 << 18), + RCC_PLLMUL_3 = (0x1 << 18), + RCC_PLLMUL_4 = (0x2 << 18), + RCC_PLLMUL_5 = (0x3 << 18), + RCC_PLLMUL_6 = (0x4 << 18), + RCC_PLLMUL_7 = (0x5 << 18), + RCC_PLLMUL_8 = (0x6 << 18), + RCC_PLLMUL_9 = (0x7 << 18), + RCC_PLLMUL_10 = (0x8 << 18), + RCC_PLLMUL_11 = (0x9 << 18), + RCC_PLLMUL_12 = (0xA << 18), + RCC_PLLMUL_13 = (0xB << 18), + RCC_PLLMUL_14 = (0xC << 18), + RCC_PLLMUL_15 = (0xD << 18), + RCC_PLLMUL_16 = (0xE << 18), +} rcc_pll_multiplier; + +/* FIXME [0.0.13] Just have data point to an rcc_pll_multiplier! */ + +/** + * @brief STM32F1 PLL configuration values. + * Point to one of these with the "data" field in a struct rcc_pll_cfg. + * @see struct rcc_pll_cfg. + */ +typedef struct stm32f1_rcc_pll_data { + rcc_pll_multiplier pll_mul; /**< PLL multiplication factor. */ +} stm32f1_rcc_pll_data; + +/* + * Deprecated bits. + */ + +/** + * @brief Deprecated; STM32F1 only. + * + * Initialize the clock control system. Initializes the system + * clock source to use the PLL driven by an external oscillator. + * + * @param sysclk_src system clock source, must be PLL + * @param pll_src pll clock source, must be HSE + * @param pll_mul pll multiplier + */ +__deprecated +void rcc_clk_init(rcc_sysclk_src sysclk_src, + rcc_pllsrc pll_src, + rcc_pll_multiplier pll_mul); + +#ifdef __cplusplus +} +#endif + +#endif |