f7/rcc.h

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/** @defgroup rcc_defines RCC Defines
 *
 * @brief <b>Defined Constants and Types for the STM32F7xx Reset and Clock
 * Control</b>
 *
 * @ingroup STM32F7xx_defines
 *
 * @version 1.0.0
 *
 * @author @htmlonly &copy; @endhtmlonly 2015
 * Karl Palsson <karlp@tweak.net.au>
 *
 * @date October, 2015
 *
 * LGPL License Terms @ref lgpl_license
 *  */
/*
 * This file is part of the libopencm3 project.
 *
 * Copyright (C) 2015 Karl Palsson <karlp@tweak.net.au>
 *
 * This library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef LIBOPENCM3_RCC_H
#define LIBOPENCM3_RCC_H
 
#include <libopencm3/stm32/f7/pwr.h>
 
/**@{*/
 
/* --- RCC registers ------------------------------------------------------- */
 
#define RCC_CR                                  MMIO32(RCC_BASE + 0x00)
#define RCC_PLLCFGR                             MMIO32(RCC_BASE + 0x04)
#define RCC_CFGR                                MMIO32(RCC_BASE + 0x08)
#define RCC_CIR                                 MMIO32(RCC_BASE + 0x0c)
#define RCC_AHB1RSTR                            MMIO32(RCC_BASE + 0x10)
#define RCC_AHB2RSTR                            MMIO32(RCC_BASE + 0x14)
#define RCC_AHB3RSTR                            MMIO32(RCC_BASE + 0x18)
#define RCC_APB1RSTR                            MMIO32(RCC_BASE + 0x20)
#define RCC_APB2RSTR                            MMIO32(RCC_BASE + 0x24)
#define RCC_AHB1ENR                             MMIO32(RCC_BASE + 0x30)
#define RCC_AHB2ENR                             MMIO32(RCC_BASE + 0x34)
#define RCC_AHB3ENR                             MMIO32(RCC_BASE + 0x38)
#define RCC_APB1ENR                             MMIO32(RCC_BASE + 0x40)
#define RCC_APB2ENR                             MMIO32(RCC_BASE + 0x44)
#define RCC_AHB1LPENR                           MMIO32(RCC_BASE + 0x50)
#define RCC_AHB2LPENR                           MMIO32(RCC_BASE + 0x54)
#define RCC_AHB3LPENR                           MMIO32(RCC_BASE + 0x58)
#define RCC_APB1LPENR                           MMIO32(RCC_BASE + 0x60)
#define RCC_APB2LPENR                           MMIO32(RCC_BASE + 0x64)
#define RCC_BDCR                                MMIO32(RCC_BASE + 0x70)
#define RCC_CSR                                 MMIO32(RCC_BASE + 0x74)
#define RCC_SSCGR                               MMIO32(RCC_BASE + 0x80)
#define RCC_PLLI2SCFGR                          MMIO32(RCC_BASE + 0x84)
#define RCC_PLLSAICFGR                          MMIO32(RCC_BASE + 0x88)
#define RCC_DCKCFGR1                            MMIO32(RCC_BASE + 0x8C)
#define RCC_DCKCFGR2                            MMIO32(RCC_BASE + 0x90)
 
/* --- RCC_CR values ------------------------------------------------------- */
 
#define RCC_CR_PLLSAIRDY                        (1 << 29)
#define RCC_CR_PLLSAION                         (1 << 28)
#define RCC_CR_PLLI2SRDY                        (1 << 27)
#define RCC_CR_PLLI2SON                         (1 << 26)
#define RCC_CR_PLLRDY                           (1 << 25)
#define RCC_CR_PLLON                            (1 << 24)
#define RCC_CR_CSSON                            (1 << 19)
#define RCC_CR_HSEBYP                           (1 << 18)
#define RCC_CR_HSERDY                           (1 << 17)
#define RCC_CR_HSEON                            (1 << 16)
#define RCC_CR_HSICAL_MASK                      0xff
#define RCC_CR_HSICAL_SHIFT                     8
#define RCC_CR_HSITRIM_MASK                     0x1f
#define RCC_CR_HSITRIM_SHIFT                    3
#define RCC_CR_HSIRDY                           (1 << 1)
#define RCC_CR_HSION                            (1 << 0)
 
/* --- RCC_PLLCFGR values -------------------------------------------------- */
 
#define RCC_PLLCFGR_PLLQ_MASK                   0xf
#define RCC_PLLCFGR_PLLQ_SHIFT                  24
#define RCC_PLLCFGR_PLLSRC                      (1 << 22)
#define RCC_PLLCFGR_PLLP_MASK                   0x3
#define RCC_PLLCFGR_PLLP_SHIFT                  16
#define RCC_PLLCFGR_PLLN_MASK                   0x1ff
#define RCC_PLLCFGR_PLLN_SHIFT                  6
#define RCC_PLLCFGR_PLLM_MASK                   0x3f
#define RCC_PLLCFGR_PLLM_SHIFT                  0
 
/* --- RCC_CFGR values ----------------------------------------------------- */
 
/* MCO2: Microcontroller clock output 2 */
#define RCC_CFGR_MCO2_MASK                      0x3
#define RCC_CFGR_MCO2_SHIFT                     30
#define RCC_CFGR_MCO2_SYSCLK                    0x0
#define RCC_CFGR_MCO2_PLLI2S                    0x1
#define RCC_CFGR_MCO2_HSE                       0x2
#define RCC_CFGR_MCO2_PLL                       0x3
 
/* MCO1/2PRE: MCO Prescalers */
#define RCC_CFGR_MCOPRE_MASK                    0x7
#define RCC_CFGR_MCO2PRE_SHIFT                  27
#define RCC_CFGR_MCO1PRE_SHIFT                  24
#define RCC_CFGR_MCOPRE_DIV_NONE                0x0
#define RCC_CFGR_MCOPRE_DIV_2                   0x4
#define RCC_CFGR_MCOPRE_DIV_3                   0x5
#define RCC_CFGR_MCOPRE_DIV_4                   0x6
#define RCC_CFGR_MCOPRE_DIV_5                   0x7
 
/* I2SSRC: I2S clock selection */
#define RCC_CFGR_I2SSRC                         (1 << 23)
 
/* MCO1: Microcontroller clock output 1 */
#define RCC_CFGR_MCO1_MASK                      0x3
#define RCC_CFGR_MCO1_SHIFT                     21
#define RCC_CFGR_MCO1_HSI                       0x0
#define RCC_CFGR_MCO1_LSE                       0x1
#define RCC_CFGR_MCO1_HSE                       0x2
#define RCC_CFGR_MCO1_PLL                       0x3
#define RCC_CFGR_MCO_SHIFT                      RCC_CFGR_MCO1_SHIFT
#define RCC_CFGR_MCO_MASK                       RCC_CFGR_MCO1_MASK
 
/* RTCPRE: HSE division factor for RTC clock */
#define RCC_CFGR_RTCPRE_SHIFT                   16
#define RCC_CFGR_RTCPRE_MASK                    0x1f
 
#define RCC_CFGR_PPRE2_SHIFT                    13
#define RCC_CFGR_PPRE2_MASK                     0x7
#define RCC_CFGR_PPRE1_SHIFT                    10
#define RCC_CFGR_PPRE1_MASK                     0x7
/** @defgroup rcc_cfgr_apbxpre RCC_CFGR APBx prescale factors
 * These can be used for both APB1 and APB2 prescaling
 * @{
 */
#define RCC_CFGR_PPRE_NODIV                     0x0
#define RCC_CFGR_PPRE_DIV2                      0x4
#define RCC_CFGR_PPRE_DIV4                      0x5
#define RCC_CFGR_PPRE_DIV8                      0x6
#define RCC_CFGR_PPRE_DIV16                     0x7
/**@}*/
 
#define RCC_CFGR_HPRE_SHIFT                     4
#define RCC_CFGR_HPRE_MASK                      0xf
/** @defgroup rcc_cfgr_ahbpre RCC_CFGR AHB prescale factors
@{*/
#define RCC_CFGR_HPRE_NODIV                     0x0
#define RCC_CFGR_HPRE_DIV2                      (0x8 + 0)
#define RCC_CFGR_HPRE_DIV4                      (0x8 + 1)
#define RCC_CFGR_HPRE_DIV8                      (0x8 + 2)
#define RCC_CFGR_HPRE_DIV16                     (0x8 + 3)
#define RCC_CFGR_HPRE_DIV64                     (0x8 + 4)
#define RCC_CFGR_HPRE_DIV128                    (0x8 + 5)
#define RCC_CFGR_HPRE_DIV256                    (0x8 + 6)
#define RCC_CFGR_HPRE_DIV512                    (0x8 + 7)
/**@}*/
 
/* SWS: System clock switch status */
#define RCC_CFGR_SWS_SHIFT                      2
#define RCC_CFGR_SWS_MASK                       0x3
#define RCC_CFGR_SWS_HSI                        0x0
#define RCC_CFGR_SWS_HSE                        0x1
#define RCC_CFGR_SWS_PLL                        0x2
 
/* SW: System clock switch */
#define RCC_CFGR_SW_SHIFT                       0
#define RCC_CFGR_SW_MASK                        0x3
#define RCC_CFGR_SW_HSI                         0x0
#define RCC_CFGR_SW_HSE                         0x1
#define RCC_CFGR_SW_PLL                         0x2
 
/** Older compatible definitions to ease migration
 * @defgroup rcc_cfgr_deprecated RCC_CFGR Deprecated dividers
 * @deprecated Use _CFGR_xPRE_DIVn form instead, across all families
 * @{
 */
#define RCC_CFGR_PPRE_DIV_NONE                  0x0
#define RCC_CFGR_PPRE_DIV_2                     0x4
#define RCC_CFGR_PPRE_DIV_4                     0x5
#define RCC_CFGR_PPRE_DIV_8                     0x6
#define RCC_CFGR_PPRE_DIV_16                    0x7
 
#define RCC_CFGR_HPRE_DIV_NONE                  0x0
#define RCC_CFGR_HPRE_DIV_2                     (0x8 + 0)
#define RCC_CFGR_HPRE_DIV_4                     (0x8 + 1)
#define RCC_CFGR_HPRE_DIV_8                     (0x8 + 2)
#define RCC_CFGR_HPRE_DIV_16                    (0x8 + 3)
#define RCC_CFGR_HPRE_DIV_64                    (0x8 + 4)
#define RCC_CFGR_HPRE_DIV_128                   (0x8 + 5)
#define RCC_CFGR_HPRE_DIV_256                   (0x8 + 6)
#define RCC_CFGR_HPRE_DIV_512                   (0x8 + 7)
/**@}*/
 
/* --- RCC_CIR values ------------------------------------------------------ */
 
/* Clock security system interrupt clear bit */
#define RCC_CIR_CSSC                            (1 << 23)
 
/* OSC ready interrupt clear bits */
#define RCC_CIR_PLLSAIRDYC                      (1 << 22)
#define RCC_CIR_PLLI2SRDYC                      (1 << 21)
#define RCC_CIR_PLLRDYC                         (1 << 20)
#define RCC_CIR_HSERDYC                         (1 << 19)
#define RCC_CIR_HSIRDYC                         (1 << 18)
#define RCC_CIR_LSERDYC                         (1 << 17)
#define RCC_CIR_LSIRDYC                         (1 << 16)
 
/* OSC ready interrupt enable bits */
#define RCC_CIR_PLLSAIRDYIE                     (1 << 14)
#define RCC_CIR_PLLI2SRDYIE                     (1 << 13)
#define RCC_CIR_PLLRDYIE                        (1 << 12)
#define RCC_CIR_HSERDYIE                        (1 << 11)
#define RCC_CIR_HSIRDYIE                        (1 << 10)
#define RCC_CIR_LSERDYIE                        (1 << 9)
#define RCC_CIR_LSIRDYIE                        (1 << 8)
 
/* Clock security system interrupt flag bit */
#define RCC_CIR_CSSF                            (1 << 7)
 
/* OSC ready interrupt flag bits */
#define RCC_CIR_PLLSAIRDYF                      (1 << 6)
#define RCC_CIR_PLLI2SRDYF                      (1 << 5)
#define RCC_CIR_PLLRDYF                         (1 << 4)
#define RCC_CIR_HSERDYF                         (1 << 3)
#define RCC_CIR_HSIRDYF                         (1 << 2)
#define RCC_CIR_LSERDYF                         (1 << 1)
#define RCC_CIR_LSIRDYF                         (1 << 0)
 
/** @defgroup rcc_ahbrstr_rst RCC_AHBxRSTR reset values (full set)
@{*/
/** @defgroup rcc_ahb1rstr_rst RCC_AHB1RSTR reset values
@{*/
#define RCC_AHB1RSTR_OTGHSRST                   (1 << 29)
#define RCC_AHB1RSTR_ETHMACRST                  (1 << 25)
#define RCC_AHB1RSTR_DMA2DRST                   (1 << 23)
#define RCC_AHB1RSTR_DMA2RST                    (1 << 22)
#define RCC_AHB1RSTR_DMA1RST                    (1 << 21)
#define RCC_AHB1RSTR_CRCRST                     (1 << 12)
#define RCC_AHB1RSTR_GPIOKRST                   (1 << 10)
#define RCC_AHB1RSTR_GPIOJRST                   (1 << 9)
#define RCC_AHB1RSTR_GPIOIRST                   (1 << 8)
#define RCC_AHB1RSTR_GPIOHRST                   (1 << 7)
#define RCC_AHB1RSTR_GPIOGRST                   (1 << 6)
#define RCC_AHB1RSTR_GPIOFRST                   (1 << 5)
#define RCC_AHB1RSTR_GPIOERST                   (1 << 4)
#define RCC_AHB1RSTR_GPIODRST                   (1 << 3)
#define RCC_AHB1RSTR_GPIOCRST                   (1 << 2)
#define RCC_AHB1RSTR_GPIOBRST                   (1 << 1)
#define RCC_AHB1RSTR_GPIOARST                   (1 << 0)
/**@}*/
 
/** @defgroup rcc_ahb2rstr_rst RCC_AHB2RSTR reset values
@{*/
#define RCC_AHB2RSTR_OTGFSRST                   (1 << 7)
#define RCC_AHB2RSTR_RNGRST                     (1 << 6)
#define RCC_AHB2RSTR_HASHRST                    (1 << 5)
#define RCC_AHB2RSTR_CRYPRST                    (1 << 4)
#define RCC_AHB2RSTR_DCMIRST                    (1 << 0)
/**@}*/
 
/** @defgroup rcc_ahb3rstr_rst RCC_AHB3RSTR reset values
@{*/
#define RCC_AHB3RSTR_QSPIRST                    (1 << 1)
#define RCC_AHB3RSTR_FSMCRST                    (1 << 0)
/**@}*/
/**@}*/
 
/** @defgroup rcc_apb1rstr_rst RCC_APB1RSTR reset values
@{*/
#define RCC_APB1RSTR_UART8RST                   (1 << 31)
#define RCC_APB1RSTR_UART7RST                   (1 << 30)
#define RCC_APB1RSTR_DACRST                     (1 << 29)
#define RCC_APB1RSTR_PWRRST                     (1 << 28)
#define RCC_APB1RSTR_CECRST                     (1 << 27)
#define RCC_APB1RSTR_CAN2RST                    (1 << 26)
#define RCC_APB1RSTR_CAN1RST                    (1 << 25)
#define RCC_APB1RSTR_I2C4RST                    (1 << 24)
#define RCC_APB1RSTR_I2C3RST                    (1 << 23)
#define RCC_APB1RSTR_I2C2RST                    (1 << 22)
#define RCC_APB1RSTR_I2C1RST                    (1 << 21)
#define RCC_APB1RSTR_UART5RST                   (1 << 20)
#define RCC_APB1RSTR_UART4RST                   (1 << 19)
#define RCC_APB1RSTR_UART3RST                   (1 << 18)
#define RCC_APB1RSTR_UART2RST                   (1 << 17)
#define RCC_APB1RSTR_SPDIFRXRST                 (1 << 16)
#define RCC_APB1RSTR_SPI3RST                    (1 << 15)
#define RCC_APB1RSTR_SPI2RST                    (1 << 14)
#define RCC_APB1RSTR_WWDGRST                    (1 << 11)
#define RCC_APB1RSTR_LPTIM1RST                  (1 << 9)
#define RCC_APB1RSTR_TIM14RST                   (1 << 8)
#define RCC_APB1RSTR_TIM13RST                   (1 << 7)
#define RCC_APB1RSTR_TIM12RST                   (1 << 6)
#define RCC_APB1RSTR_TIM7RST                    (1 << 5)
#define RCC_APB1RSTR_TIM6RST                    (1 << 4)
#define RCC_APB1RSTR_TIM5RST                    (1 << 3)
#define RCC_APB1RSTR_TIM4RST                    (1 << 2)
#define RCC_APB1RSTR_TIM3RST                    (1 << 1)
#define RCC_APB1RSTR_TIM2RST                    (1 << 0)
/**@}*/
 
/** @defgroup rcc_apb2rstr_rst RCC_APB2RSTR reset values
@{*/
#define RCC_APB2RSTR_LTDCRST                    (1 << 26)
#define RCC_APB2RSTR_SAI2RST                    (1 << 23)
#define RCC_APB2RSTR_SAI1RST                    (1 << 22)
#define RCC_APB2RSTR_SPI6RST                    (1 << 21)
#define RCC_APB2RSTR_SPI5RST                    (1 << 20)
#define RCC_APB2RSTR_TIM11RST                   (1 << 18)
#define RCC_APB2RSTR_TIM10RST                   (1 << 17)
#define RCC_APB2RSTR_TIM9RST                    (1 << 16)
#define RCC_APB2RSTR_SYSCFGRST                  (1 << 14)
#define RCC_APB2RSTR_SPI4RST                    (1 << 13)
#define RCC_APB2RSTR_SPI1RST                    (1 << 12)
#define RCC_APB2RSTR_SDMMC1RST                  (1 << 11)
#define RCC_APB2RSTR_ADCRST                     (1 << 8)
#define RCC_APB2RSTR_USART6RST                  (1 << 5)
#define RCC_APB2RSTR_USART1RST                  (1 << 4)
#define RCC_APB2RSTR_TIM8RST                    (1 << 1)
#define RCC_APB2RSTR_TIM1RST                    (1 << 0)
/**@}*/
 
/** @defgroup rcc_ahbenr_en RCC_AHBxENR enable values (full set)
@{*/
/** @defgroup rcc_ahb1enr_en RCC_AHB1ENR enable values
@{*/
#define RCC_AHB1ENR_OTGHSULPIEN                 (1 << 30)
#define RCC_AHB1ENR_OTGHSEN                     (1 << 29)
#define RCC_AHB1ENR_ETHMACPTPEN                 (1 << 28)
#define RCC_AHB1ENR_ETHMACRXEN                  (1 << 27)
#define RCC_AHB1ENR_ETHMACTXEN                  (1 << 26)
#define RCC_AHB1ENR_ETHMACEN                    (1 << 25)
#define RCC_AHB1ENR_DMA2DEN                     (1 << 23)
#define RCC_AHB1ENR_DMA2EN                      (1 << 22)
#define RCC_AHB1ENR_DMA1EN                      (1 << 21)
#define RCC_AHB1ENR_DTCMRAMEN                   (1 << 20)
#define RCC_AHB1ENR_BKPSRAMEN                   (1 << 18)
#define RCC_AHB1ENR_CRCEN                       (1 << 12)
#define RCC_AHB1ENR_GPIOKEN                     (1 << 10)
#define RCC_AHB1ENR_GPIOJEN                     (1 << 9)
#define RCC_AHB1ENR_GPIOIEN                     (1 << 8)
#define RCC_AHB1ENR_GPIOHEN                     (1 << 7)
#define RCC_AHB1ENR_GPIOGEN                     (1 << 6)
#define RCC_AHB1ENR_GPIOFEN                     (1 << 5)
#define RCC_AHB1ENR_GPIOEEN                     (1 << 4)
#define RCC_AHB1ENR_GPIODEN                     (1 << 3)
#define RCC_AHB1ENR_GPIOCEN                     (1 << 2)
#define RCC_AHB1ENR_GPIOBEN                     (1 << 1)
#define RCC_AHB1ENR_GPIOAEN                     (1 << 0)
/**@}*/
 
/** @defgroup rcc_ahb2enr_en RCC_AHB2ENR enable values
@{*/
#define RCC_AHB2ENR_OTGFSEN                     (1 << 7)
#define RCC_AHB2ENR_RNGEN                       (1 << 6)
#define RCC_AHB2ENR_HASHEN                      (1 << 5)
#define RCC_AHB2ENR_CRYPEN                      (1 << 4)
#define RCC_AHB2ENR_DCMIEN                      (1 << 0)
/**@}*/
 
/** @defgroup rcc_ahb3enr_en RCC_AHB3ENR enable values
@{*/
#define RCC_AHB3ENR_QSPIEN                      (1 << 1)
#define RCC_AHB3ENR_FMCEN                       (1 << 0)
/**@}*/
/**@}*/
 
/** @defgroup rcc_apb1enr_en RCC_APB1ENR enable values
@{*/
#define RCC_APB1ENR_UART8EN                     (1 << 31)
#define RCC_APB1ENR_UART7EN                     (1 << 30)
#define RCC_APB1ENR_DACEN                       (1 << 29)
#define RCC_APB1ENR_PWREN                       (1 << 28)
#define RCC_APB1ENR_CECEN                       (1 << 27)
#define RCC_APB1ENR_CAN2EN                      (1 << 26)
#define RCC_APB1ENR_CAN1EN                      (1 << 25)
#define RCC_APB1ENR_I2C4EN                      (1 << 24)
#define RCC_APB1ENR_I2C3EN                      (1 << 23)
#define RCC_APB1ENR_I2C2EN                      (1 << 22)
#define RCC_APB1ENR_I2C1EN                      (1 << 21)
#define RCC_APB1ENR_UART5EN                     (1 << 20)
#define RCC_APB1ENR_UART4EN                     (1 << 19)
#define RCC_APB1ENR_USART3EN                    (1 << 18)
#define RCC_APB1ENR_USART2EN                    (1 << 17)
#define RCC_APB1ENR_SPIDIFRXEN                  (1 << 16)
#define RCC_APB1ENR_SPI3EN                      (1 << 15)
#define RCC_APB1ENR_SPI2EN                      (1 << 14)
#define RCC_APB1ENR_WWDGEN                      (1 << 11)
#define RCC_APB1ENR_LPTIM1EN                    (1 << 9)
#define RCC_APB1ENR_TIM14EN                     (1 << 8)
#define RCC_APB1ENR_TIM13EN                     (1 << 7)
#define RCC_APB1ENR_TIM12EN                     (1 << 6)
#define RCC_APB1ENR_TIM7EN                      (1 << 5)
#define RCC_APB1ENR_TIM6EN                      (1 << 4)
#define RCC_APB1ENR_TIM5EN                      (1 << 3)
#define RCC_APB1ENR_TIM4EN                      (1 << 2)
#define RCC_APB1ENR_TIM3EN                      (1 << 1)
#define RCC_APB1ENR_TIM2EN                      (1 << 0)
/**@}*/
 
/** @defgroup rcc_apb2enr_en RCC_APB2ENR enable values
@{*/
#define RCC_APB2ENR_LTDCEN                      (1 << 26)
#define RCC_APB2ENR_SAI2EN                      (1 << 23)
#define RCC_APB2ENR_SAI1EN                      (1 << 22)
#define RCC_APB2ENR_SPI6EN                      (1 << 21)
#define RCC_APB2ENR_SPI5EN                      (1 << 20)
#define RCC_APB2ENR_TIM11EN                     (1 << 18)
#define RCC_APB2ENR_TIM10EN                     (1 << 17)
#define RCC_APB2ENR_TIM9EN                      (1 << 16)
#define RCC_APB2ENR_SYSCFGEN                    (1 << 14)
#define RCC_APB2ENR_SPI4EN                      (1 << 13)
#define RCC_APB2ENR_SPI1EN                      (1 << 12)
#define RCC_APB2ENR_SDMMC1EN                    (1 << 11)
#define RCC_APB2ENR_ADC3EN                      (1 << 10)
#define RCC_APB2ENR_ADC2EN                      (1 << 9)
#define RCC_APB2ENR_ADC1EN                      (1 << 8)
#define RCC_APB2ENR_USART6EN                    (1 << 5)
#define RCC_APB2ENR_USART1EN                    (1 << 4)
#define RCC_APB2ENR_TIM8EN                      (1 << 1)
#define RCC_APB2ENR_TIM1EN                      (1 << 0)
/**@}*/
 
/* --- RCC_AHB1LPENR values ------------------------------------------------- */
 
#define RCC_AHB1LPENR_OTGHSULPILPEN             (1 << 30)
#define RCC_AHB1LPENR_OTGHSLPEN                 (1 << 29)
#define RCC_AHB1LPENR_ETHMACPTPLPEN             (1 << 28)
#define RCC_AHB1LPENR_ETHMACRXLPEN              (1 << 27)
#define RCC_AHB1LPENR_ETHMACTXLPEN              (1 << 26)
#define RCC_AHB1LPENR_ETHMACLPEN                (1 << 25)
#define RCC_AHB1LPENR_DMA2DLPEN                 (1 << 23)
#define RCC_AHB1LPENR_DMA2LPEN                  (1 << 22)
#define RCC_AHB1LPENR_DMA1LPEN                  (1 << 21)
#define RCC_AHB1LPENR_DTCMLPEN                  (1 << 20)
#define RCC_AHB1LPENR_BKPSRAMLPEN               (1 << 18)
#define RCC_AHB1LPENR_SRAM2LPEN                 (1 << 17)
#define RCC_AHB1LPENR_SRAM1LPEN                 (1 << 16)
#define RCC_AHB1LPENR_FLITFLPEN                 (1 << 15)
#define RCC_AHB1LPENR_AXILPEN                   (1 << 13)
#define RCC_AHB1LPENR_CRCLPEN                   (1 << 12)
#define RCC_AHB1LPENR_GPIOKLPEN                 (1 << 10)
#define RCC_AHB1LPENR_GPIOJLPEN                 (1 << 9)
#define RCC_AHB1LPENR_GPIOILPEN                 (1 << 8)
#define RCC_AHB1LPENR_GPIOHLPEN                 (1 << 7)
#define RCC_AHB1LPENR_GPIOGLPEN                 (1 << 6)
#define RCC_AHB1LPENR_GPIOFLPEN                 (1 << 5)
#define RCC_AHB1LPENR_GPIOELPEN                 (1 << 4)
#define RCC_AHB1LPENR_GPIODLPEN                 (1 << 3)
#define RCC_AHB1LPENR_GPIOCLPEN                 (1 << 2)
#define RCC_AHB1LPENR_GPIOBLPEN                 (1 << 1)
#define RCC_AHB1LPENR_GPIOALPEN                 (1 << 0)
 
/* --- RCC_AHB2LPENR values ------------------------------------------------- */
 
#define RCC_AHB2LPENR_OTGFSLPEN                 (1 << 7)
#define RCC_AHB2LPENR_RNGLPEN                   (1 << 6)
#define RCC_AHB2LPENR_HASHLPEN                  (1 << 5)
#define RCC_AHB2LPENR_CRYPLPEN                  (1 << 4)
#define RCC_AHB2LPENR_DCMILPEN                  (1 << 0)
 
/* --- RCC_AHB3LPENR values ------------------------------------------------- */
 
#define RCC_AHB3LPENR_QSPILPEN                  (1 << 1)
#define RCC_AHB3LPENR_FMCLPEN                   (1 << 0)
 
/* --- RCC_APB1LPENR values ------------------------------------------------- */
 
#define RCC_APB1LPENR_UART8LPEN                 (1 << 31)
#define RCC_APB1LPENR_UART7LPEN                 (1 << 30)
#define RCC_APB1LPENR_DACLPEN                   (1 << 29)
#define RCC_APB1LPENR_PWRLPEN                   (1 << 28)
#define RCC_APB1LPENR_CECLPEN                   (1 << 27)
#define RCC_APB1LPENR_CAN2LPEN                  (1 << 26)
#define RCC_APB1LPENR_CAN1LPEN                  (1 << 25)
#define RCC_APB1LPENR_I2C4LPEN                  (1 << 24)
#define RCC_APB1LPENR_I2C3LPEN                  (1 << 23)
#define RCC_APB1LPENR_I2C2LPEN                  (1 << 22)
#define RCC_APB1LPENR_I2C1LPEN                  (1 << 21)
#define RCC_APB1LPENR_UART5LPEN                 (1 << 20)
#define RCC_APB1LPENR_UART4LPEN                 (1 << 19)
#define RCC_APB1LPENR_USART3LPEN                (1 << 18)
#define RCC_APB1LPENR_USART2LPEN                (1 << 17)
#define RCC_APB1LPENR_SPIDIFRXLPEN              (1 << 16)
#define RCC_APB1LPENR_SPI3LPEN                  (1 << 15)
#define RCC_APB1LPENR_SPI2LPEN                  (1 << 14)
#define RCC_APB1LPENR_WWDGLPEN                  (1 << 11)
#define RCC_APB1LPENR_LPTIM1LPEN                (1 << 9)
#define RCC_APB1LPENR_TIM14LPEN                 (1 << 8)
#define RCC_APB1LPENR_TIM13LPEN                 (1 << 7)
#define RCC_APB1LPENR_TIM12LPEN                 (1 << 6)
#define RCC_APB1LPENR_TIM7LPEN                  (1 << 5)
#define RCC_APB1LPENR_TIM6LPEN                  (1 << 4)
#define RCC_APB1LPENR_TIM5LPEN                  (1 << 3)
#define RCC_APB1LPENR_TIM4LPEN                  (1 << 2)
#define RCC_APB1LPENR_TIM3LPEN                  (1 << 1)
#define RCC_APB1LPENR_TIM2LPEN                  (1 << 0)
 
/* --- RCC_APB2LPENR values ------------------------------------------------- */
 
#define RCC_APB2LPENR_LTDCLPEN                  (1 << 26)
#define RCC_APB2LPENR_SAI2LPEN                  (1 << 23)
#define RCC_APB2LPENR_SAI1LPEN                  (1 << 22)
#define RCC_APB2LPENR_SPI6LPEN                  (1 << 21)
#define RCC_APB2LPENR_SPI5LPEN                  (1 << 20)
#define RCC_APB2LPENR_TIM11LPEN                 (1 << 18)
#define RCC_APB2LPENR_TIM10LPEN                 (1 << 17)
#define RCC_APB2LPENR_TIM9LPEN                  (1 << 16)
#define RCC_APB2LPENR_SYSCFGLPEN                (1 << 14)
#define RCC_APB2LPENR_SPI4LPEN                  (1 << 13)
#define RCC_APB2LPENR_SPI1LPEN                  (1 << 12)
#define RCC_APB2LPENR_SDMMC1LPEN                (1 << 11)
#define RCC_APB2LPENR_ADC3LPEN                  (1 << 10)
#define RCC_APB2LPENR_ADC2LPEN                  (1 << 9)
#define RCC_APB2LPENR_ADC1LPEN                  (1 << 8)
#define RCC_APB2LPENR_USART6LPEN                (1 << 5)
#define RCC_APB2LPENR_USART1LPEN                (1 << 4)
#define RCC_APB2LPENR_TIM8LPEN                  (1 << 1)
#define RCC_APB2LPENR_TIM1LPEN                  (1 << 0)
 
/* --- RCC_BDCR values ----------------------------------------------------- */
 
#define RCC_BDCR_BDRST                          (1 << 16)
#define RCC_BDCR_RTCEN                          (1 << 15)
#define RCC_BDCR_RTCSEL_MASK                    0x3
#define RCC_BDCR_RTCSEL_SHIFT                   8
#define RCC_BDCR_RTCSEL_NONE                    0
#define RCC_BDCR_RTCSEL_LSE                     1
#define RCC_BDCR_RTCSEL_LSI                     2
#define RCC_BDCR_RTCSEL_HSE                     3
#define RCC_BDCR_LSEDRV_MASK                    0x3
#define RCC_BDCR_LSEDRV_SHIFT                   3
#define RCC_BDCR_LSEDRV_LOW                     0
#define RCC_BDCR_LSEDRV_MEDH                    1 /* good job st */
#define RCC_BDCR_LSEDRV_MEDL                    2
#define RCC_BDCR_LSEDRV_HIGH                    3
#define RCC_BDCR_LSEBYP                         (1 << 2)
#define RCC_BDCR_LSERDY                         (1 << 1)
#define RCC_BDCR_LSEON                          (1 << 0)
 
/* --- RCC_CSR values ------------------------------------------------------ */
 
#define RCC_CSR_LPWRRSTF                        (1 << 31)
#define RCC_CSR_WWDGRSTF                        (1 << 30)
#define RCC_CSR_IWDGRSTF                        (1 << 29)
#define RCC_CSR_SFTRSTF                         (1 << 28)
#define RCC_CSR_PORRSTF                         (1 << 27)
#define RCC_CSR_PINRSTF                         (1 << 26)
#define RCC_CSR_BORRSTF                         (1 << 25)
#define RCC_CSR_RMVF                            (1 << 24)
#define RCC_CSR_RESET_FLAGS     (RCC_CSR_LPWRRSTF | RCC_CSR_WWDGRSTF |\
                RCC_CSR_IWDGRSTF | RCC_CSR_SFTRSTF | RCC_CSR_PORRSTF |\
                RCC_CSR_PINRSTF | RCC_CSR_BORRSTF)
#define RCC_CSR_LSIRDY                          (1 << 1)
#define RCC_CSR_LSION                           (1 << 0)
 
/* --- RCC_SSCGR values ---------------------------------------------------- */
 
#define RCC_SSCGR_SSCGEN                        (1 << 31)
#define RCC_SSCGR_SPREADSEL                     (1 << 30)
#define RCC_SSCGR_INCSTEP_MASK                  0x7fff
#define RCC_SSCGR_INCSTEP_SHIFT                 13
#define RCC_SSCGR_MODPER_MASK                   0x1fff
#define RCC_SSCGR_MODPER_SHIFT                  0
 
/* --- RCC_PLLI2SCFGR values ----------------------------------------------- */
 
/* RCC_PLLI2SCFGR[30:28]: PLLI2SR */
#define RCC_PLLI2SCFGR_PLLI2S_MASK              0x7
#define RCC_PLLI2SCFGR_PLLI2S_SHIFT             28
#define RCC_PLLI2SCFGR_PLLI2SQ_MASK             0xf
#define RCC_PLLI2SCFGR_PLLI2SQ_SHIFT            24
#define RCC_PLLI2SCFGR_PLLI2SP_MASK             0x3
#define RCC_PLLI2SCFGR_PLLI2SP_SHIFT            16
#define RCC_PLLI2SCFGR_PLLI2SN_MASK             0x1ff
#define RCC_PLLI2SCFGR_PLLI2SN_SHIFT            6
 
/* --- RCC_PLLSAICFGR values ----------------------------------------------- */
 
#define RCC_PLLSAICFGR_PLLSAIR_MASK             0x7
#define RCC_PLLSAICFGR_PLLSAIR_SHIFT            28
#define RCC_PLLSAICFGR_PLLSAIQ_MASK             0xf
#define RCC_PLLSAICFGR_PLLSAIQ_SHIFT            24
#define RCC_PLLSAICFGR_PLLSAIP_MASK             0x3
#define RCC_PLLSAICFGR_PLLSAIP_SHIFT            16
#define RCC_PLLSAICFGR_PLLSAIN_MASK             0x1FF
#define RCC_PLLSAICFGR_PLLSAIN_SHIFT            6
 
/* --- RCC_DCKCFGR1 values -------------------------------------------------- */
 
#define RCC_DCKCFGR1_TIMPRE                     (1<<24)
#define RCC_DCKCFGR1_SAI2SEL_MASK               0x3
#define RCC_DCKCFGR1_SAI2SEL_SHIFT              22
#define RCC_DCKCFGR1_SAI1SEL_MASK               0x3
#define RCC_DCKCFGR1_SAI1SEL_SHIFT              20
#define RCC_DCKCFGR1_PLLSAIDIVR_MASK            0x3
#define RCC_DCKCFGR1_PLLSAIDIVR_SHIFT           16
#define RCC_DCKCFGR1_PLLSAIDIVR_DIVR_2          0
#define RCC_DCKCFGR1_PLLSAIDIVR_DIVR_4          1
#define RCC_DCKCFGR1_PLLSAIDIVR_DIVR_8          2
#define RCC_DCKCFGR1_PLLSAIDIVR_DIVR_16         3
#define RCC_DCKCFGR1_PLLSAIDIVQ_MASK            0x1f
#define RCC_DCKCFGR1_PLLSAIDIVQ_SHIFT           8
#define RCC_DCKCFGR1_PLLI2SDIVQ_MASK            0x1f
#define RCC_DCKCFGR1_PLLI2SDIVQ_SHIFT           0
 
/* --- RCC_DCKCFGR2 values -------------------------------------------------- */
 
#define RCC_DCKCFGR2_SDMMCSEL                   (1<<28)
#define RCC_DCKCFGR2_CK48MSEL                   (1<<27)
#define RCC_DCKCFGR2_CECSEL                     (1<<26)
#define RCC_DCKCFGR2_LPTIM1SEL_MASK             0x3
#define RCC_DCKCFGR2_LPTIM1SEL_SHIFT            24
#define RCC_DCKCFGR2_I2CxSEL_MASK               0x3
#define RCC_DCKCFGR2_I2C4SEL_SHIFT              22
#define RCC_DCKCFGR2_I2C3SEL_SHIFT              20
#define RCC_DCKCFGR2_I2C2SEL_SHIFT              18
#define RCC_DCKCFGR2_I2C1SEL_SHIFT              16
 
#define RCC_DCKCFGR2_UARTxSEL_MASK              0x3
/** @defgroup rcc_dckcfgr2_uart_choices UART for clock source selecting
 * @note This is only used internally.
 * @{
 */
#define RCC_DCKCFGR2_UART8SEL_SHIFT             14
#define RCC_DCKCFGR2_UART7SEL_SHIFT             12
#define RCC_DCKCFGR2_USART6SEL_SHIFT            10
#define RCC_DCKCFGR2_UART5SEL_SHIFT             8
#define RCC_DCKCFGR2_UART4SEL_SHIFT             6
#define RCC_DCKCFGR2_UART3SEL_SHIFT             4
#define RCC_DCKCFGR2_UART2SEL_SHIFT             2
#define RCC_DCKCFGR2_UART1SEL_SHIFT             0
/**@}*/
 
/** @defgroup rcc_dckcfgr2_uart_clksel UART Clock source selections
 * @{
 */
#define RCC_DCKCFGR2_UARTxSEL_PCLK                      0x0
#define RCC_DCKCFGR2_UARTxSEL_SYSCLK                    0x1
#define RCC_DCKCFGR2_UARTxSEL_HSI                       0x2
#define RCC_DCKCFGR2_UARTxSEL_LSE                       0x3
/**@}*/
 
 
 
extern uint32_t rcc_ahb_frequency;
extern uint32_t rcc_apb1_frequency;
extern uint32_t rcc_apb2_frequency;
 
enum rcc_clock_3v3 {
        RCC_CLOCK_3V3_216MHZ,
        RCC_CLOCK_3V3_168MHZ,
        RCC_CLOCK_3V3_120MHZ,
        RCC_CLOCK_3V3_72MHZ,
        RCC_CLOCK_3V3_48MHZ,
        RCC_CLOCK_3V3_24MHZ,
        RCC_CLOCK_3V3_END
};
 
struct rcc_clock_scale {
        // PLLM not specified here because it depends on input clock freq.
        uint16_t plln;
        uint8_t pllp;
        uint8_t pllq;
        uint32_t flash_waitstates;
        uint8_t hpre;
        uint8_t ppre1;
        uint8_t ppre2;
        enum pwr_vos_scale vos_scale;
        uint8_t overdrive;
        uint32_t ahb_frequency;
        uint32_t apb1_frequency;
        uint32_t apb2_frequency;
};
 
extern const struct rcc_clock_scale rcc_3v3[RCC_CLOCK_3V3_END];
 
enum rcc_osc {
        RCC_PLL,
        RCC_HSE,
        RCC_HSI,
        RCC_LSE,
        RCC_LSI
};
 
#define _REG_BIT(base, bit)             (((base) << 5) + (bit))
 
enum rcc_periph_clken {
        /* AHB1 peripherals*/
        RCC_GPIOA       = _REG_BIT(0x30, 0),
        RCC_GPIOB       = _REG_BIT(0x30, 1),
        RCC_GPIOC       = _REG_BIT(0x30, 2),
        RCC_GPIOD       = _REG_BIT(0x30, 3),
        RCC_GPIOE       = _REG_BIT(0x30, 4),
        RCC_GPIOF       = _REG_BIT(0x30, 5),
        RCC_GPIOG       = _REG_BIT(0x30, 6),
        RCC_GPIOH       = _REG_BIT(0x30, 7),
        RCC_GPIOI       = _REG_BIT(0x30, 8),
        RCC_GPIOJ       = _REG_BIT(0x30, 9),
        RCC_GPIOK       = _REG_BIT(0x30, 10),
        RCC_CRC         = _REG_BIT(0x30, 12),
        RCC_BKPSRAM     = _REG_BIT(0x30, 18),
        RCC_DTCMRAM     = _REG_BIT(0x30, 20),
        RCC_DMA1        = _REG_BIT(0x30, 21),
        RCC_DMA2        = _REG_BIT(0x30, 22),
        RCC_DMA2D       = _REG_BIT(0x30, 23),
        RCC_ETHMAC      = _REG_BIT(0x30, 25),
        RCC_ETHMACTX    = _REG_BIT(0x30, 26),
        RCC_ETHMACRX    = _REG_BIT(0x30, 27),
        RCC_ETHMACPTP   = _REG_BIT(0x30, 28),
        RCC_OTGHS       = _REG_BIT(0x30, 29),
        RCC_OTGHSULPI   = _REG_BIT(0x30, 30),
 
        /* AHB2 peripherals */
        RCC_DCMI        = _REG_BIT(0x34, 0),
        RCC_CRYP        = _REG_BIT(0x34, 4),
        RCC_HASH        = _REG_BIT(0x34, 5),
        RCC_RNG         = _REG_BIT(0x34, 6),
        RCC_OTGFS       = _REG_BIT(0x34, 7),
 
        /* AHB3 peripherals */
        RCC_QSPI        = _REG_BIT(0x38, 1),
        RCC_FMC         = _REG_BIT(0x38, 0),
 
        /* APB1 peripherals*/
        RCC_TIM2        = _REG_BIT(0x40, 0),
        RCC_TIM3        = _REG_BIT(0x40, 1),
        RCC_TIM4        = _REG_BIT(0x40, 2),
        RCC_TIM5        = _REG_BIT(0x40, 3),
        RCC_TIM6        = _REG_BIT(0x40, 4),
        RCC_TIM7        = _REG_BIT(0x40, 5),
        RCC_TIM12       = _REG_BIT(0x40, 6),
        RCC_TIM13       = _REG_BIT(0x40, 7),
        RCC_TIM14       = _REG_BIT(0x40, 8),
        RCC_LPTIM1      = _REG_BIT(0x40, 9),
        RCC_WWDG        = _REG_BIT(0x40, 11),
        RCC_SPI2        = _REG_BIT(0x40, 14),
        RCC_SPI3        = _REG_BIT(0x40, 15),
        RCC_SPDIFRX     = _REG_BIT(0x40, 16),
        RCC_USART2      = _REG_BIT(0x40, 17),
        RCC_USART3      = _REG_BIT(0x40, 18),
        RCC_UART4       = _REG_BIT(0x40, 19),
        RCC_UART5       = _REG_BIT(0x40, 20),
        RCC_I2C1        = _REG_BIT(0x40, 21),
        RCC_I2C2        = _REG_BIT(0x40, 22),
        RCC_I2C3        = _REG_BIT(0x40, 23),
        RCC_I2C4        = _REG_BIT(0x40, 24),
        RCC_CAN1        = _REG_BIT(0x40, 25),
        RCC_CAN2        = _REG_BIT(0x40, 26),
        RCC_CEC         = _REG_BIT(0x40, 27),
        RCC_PWR         = _REG_BIT(0x40, 28),
        RCC_DAC         = _REG_BIT(0x40, 29),
        RCC_UART7       = _REG_BIT(0x40, 30),
        RCC_UART8       = _REG_BIT(0x40, 31),
 
        /* APB2 peripherals */
        RCC_TIM1        = _REG_BIT(0x44, 0),
        RCC_TIM8        = _REG_BIT(0x44, 1),
        RCC_USART1      = _REG_BIT(0x44, 4),
        RCC_USART6      = _REG_BIT(0x44, 5),
        RCC_ADC1        = _REG_BIT(0x44, 8),
        RCC_ADC2        = _REG_BIT(0x44, 9),
        RCC_ADC3        = _REG_BIT(0x44, 10),
        RCC_SDMMC1      = _REG_BIT(0x44, 11),
        RCC_SPI1        = _REG_BIT(0x44, 12),
        RCC_SPI4        = _REG_BIT(0x44, 13),
        RCC_SYSCFG      = _REG_BIT(0x44, 14),
        RCC_TIM9        = _REG_BIT(0x44, 16),
        RCC_TIM10       = _REG_BIT(0x44, 17),
        RCC_TIM11       = _REG_BIT(0x44, 18),
        RCC_SPI5        = _REG_BIT(0x44, 20),
        RCC_SPI6        = _REG_BIT(0x44, 21),
        RCC_SAI1EN      = _REG_BIT(0x44, 22),
        RCC_SAI2EN      = _REG_BIT(0x44, 23),
        RCC_LTDC        = _REG_BIT(0x44, 26),
 
 
        /* BDCR */
        RCC_RTC         = _REG_BIT(0x70, 15),
 
        /* AHB1 peripherals*/
        SCC_GPIOA       = _REG_BIT(0x50, 0),
        SCC_GPIOB       = _REG_BIT(0x50, 1),
        SCC_GPIOC       = _REG_BIT(0x50, 2),
        SCC_GPIOD       = _REG_BIT(0x50, 3),
        SCC_GPIOE       = _REG_BIT(0x50, 4),
        SCC_GPIOF       = _REG_BIT(0x50, 5),
        SCC_GPIOG       = _REG_BIT(0x50, 6),
        SCC_GPIOH       = _REG_BIT(0x50, 7),
        SCC_GPIOI       = _REG_BIT(0x50, 8),
        SCC_GPIOJ       = _REG_BIT(0x50, 9),
        SCC_GPIOK       = _REG_BIT(0x50, 10),
        SCC_CRC         = _REG_BIT(0x50, 12),
        SCC_AXI         = _REG_BIT(0x50, 13),
        SCC_FLTIF       = _REG_BIT(0x50, 15),
        SCC_SRAM1       = _REG_BIT(0x50, 16),
        SCC_SRAM2       = _REG_BIT(0x50, 17),
        SCC_BKPSRAM     = _REG_BIT(0x50, 18),
        SCC_DTCM        = _REG_BIT(0x50, 20),
        SCC_DMA1        = _REG_BIT(0x50, 21),
        SCC_DMA2        = _REG_BIT(0x50, 22),
        SCC_DMA2D       = _REG_BIT(0x50, 23),
        SCC_ETHMAC      = _REG_BIT(0x50, 25),
        SCC_ETHMACTX    = _REG_BIT(0x50, 26),
        SCC_ETHMACRX    = _REG_BIT(0x50, 27),
        SCC_ETHMACPTP   = _REG_BIT(0x50, 28),
        SCC_OTGHS       = _REG_BIT(0x50, 29),
        SCC_OTGHSULPI   = _REG_BIT(0x50, 30),
 
        /* AHB2 peripherals */
        SCC_DCMI        = _REG_BIT(0x54, 0),
        SCC_CRYP        = _REG_BIT(0x54, 4),
        SCC_HASH        = _REG_BIT(0x54, 5),
        SCC_RNG         = _REG_BIT(0x54, 6),
        SCC_OTGFS       = _REG_BIT(0x54, 7),
 
        /* AHB3 peripherals */
        SCC_QSPI        = _REG_BIT(0x58, 1),
        SCC_FMC         = _REG_BIT(0x58, 0),
 
        /* APB1 peripherals*/
        SCC_TIM2        = _REG_BIT(0x60, 0),
        SCC_TIM3        = _REG_BIT(0x60, 1),
        SCC_TIM4        = _REG_BIT(0x60, 2),
        SCC_TIM5        = _REG_BIT(0x60, 3),
        SCC_TIM6        = _REG_BIT(0x60, 4),
        SCC_TIM7        = _REG_BIT(0x60, 5),
        SCC_TIM12       = _REG_BIT(0x60, 6),
        SCC_TIM13       = _REG_BIT(0x60, 7),
        SCC_TIM14       = _REG_BIT(0x60, 8),
        SCC_LPTIM1      = _REG_BIT(0x60, 9),
        SCC_WWDG        = _REG_BIT(0x60, 11),
        SCC_SPI2        = _REG_BIT(0x60, 14),
        SCC_SPI3        = _REG_BIT(0x60, 15),
        SCC_SPDIFRX     = _REG_BIT(0x60, 16),
        SCC_USART2      = _REG_BIT(0x60, 17),
        SCC_USART3      = _REG_BIT(0x60, 18),
        SCC_UART4       = _REG_BIT(0x60, 19),
        SCC_UART5       = _REG_BIT(0x60, 20),
        SCC_I2C1        = _REG_BIT(0x60, 21),
        SCC_I2C2        = _REG_BIT(0x60, 22),
        SCC_I2C3        = _REG_BIT(0x60, 23),
        SCC_I2C4        = _REG_BIT(0x60, 24),
        SCC_CAN1        = _REG_BIT(0x60, 25),
        SCC_CAN2        = _REG_BIT(0x60, 26),
        SCC_CEC         = _REG_BIT(0x60, 27),
        SCC_PWR         = _REG_BIT(0x60, 28),
        SCC_DAC         = _REG_BIT(0x60, 29),
        SCC_UART7       = _REG_BIT(0x60, 30),
        SCC_UART8       = _REG_BIT(0x60, 31),
 
        /* APB2 peripherals */
        SCC_TIM1        = _REG_BIT(0x64, 0),
        SCC_TIM8        = _REG_BIT(0x64, 1),
        SCC_USART1      = _REG_BIT(0x64, 4),
        SCC_USART6      = _REG_BIT(0x64, 5),
        SCC_ADC1        = _REG_BIT(0x64, 8),
        SCC_ADC2        = _REG_BIT(0x64, 9),
        SCC_ADC3        = _REG_BIT(0x64, 10),
        SCC_SDMMC1      = _REG_BIT(0x64, 11),
        SCC_SPI1        = _REG_BIT(0x64, 12),
        SCC_SPI4        = _REG_BIT(0x64, 13),
        SCC_SYSCFG      = _REG_BIT(0x64, 14),
        SCC_TIM9        = _REG_BIT(0x64, 16),
        SCC_TIM10       = _REG_BIT(0x64, 17),
        SCC_TIM11       = _REG_BIT(0x64, 18),
        SCC_SPI5        = _REG_BIT(0x64, 20),
        SCC_SPI6        = _REG_BIT(0x64, 21),
        SCC_SAI1        = _REG_BIT(0x64, 22),
        SCC_SAI2        = _REG_BIT(0x64, 23),
        SCC_LTDC        = _REG_BIT(0x64, 26),
};
 
enum rcc_periph_rst {
        /* AHB1 peripherals*/
        RST_GPIOA       = _REG_BIT(0x10, 0),
        RST_GPIOB       = _REG_BIT(0x10, 1),
        RST_GPIOC       = _REG_BIT(0x10, 2),
        RST_GPIOD       = _REG_BIT(0x10, 3),
        RST_GPIOE       = _REG_BIT(0x10, 4),
        RST_GPIOF       = _REG_BIT(0x10, 5),
        RST_GPIOG       = _REG_BIT(0x10, 6),
        RST_GPIOH       = _REG_BIT(0x10, 7),
        RST_GPIOI       = _REG_BIT(0x10, 8),
        RST_GPIOJ       = _REG_BIT(0x10, 9),
        RST_GPIOK       = _REG_BIT(0x10, 10),
        RST_CRC         = _REG_BIT(0x10, 12),
        RST_DMA1        = _REG_BIT(0x10, 21),
        RST_DMA2        = _REG_BIT(0x10, 22),
        RST_DMA2D       = _REG_BIT(0x10, 23),
        RST_ETHMAC      = _REG_BIT(0x10, 25),
        RST_OTGHS       = _REG_BIT(0x10, 29),
 
        /* AHB2 peripherals */
        RST_DCMI        = _REG_BIT(0x14, 0),
        RST_CRYP        = _REG_BIT(0x14, 4),
        RST_HASH        = _REG_BIT(0x14, 5),
        RST_RNG         = _REG_BIT(0x14, 6),
        RST_OTGFS       = _REG_BIT(0x14, 7),
 
        /* AHB3 peripherals */
        RST_QSPI        = _REG_BIT(0x18, 1),
        RST_FMC         = _REG_BIT(0x18, 0),
 
        /* APB1 peripherals*/
        RST_TIM2        = _REG_BIT(0x20, 0),
        RST_TIM3        = _REG_BIT(0x20, 1),
        RST_TIM4        = _REG_BIT(0x20, 2),
        RST_TIM5        = _REG_BIT(0x20, 3),
        RST_TIM6        = _REG_BIT(0x20, 4),
        RST_TIM7        = _REG_BIT(0x20, 5),
        RST_TIM12       = _REG_BIT(0x20, 6),
        RST_TIM13       = _REG_BIT(0x20, 7),
        RST_TIM14       = _REG_BIT(0x20, 8),
        RST_LPTIM1      = _REG_BIT(0x20, 9),
        RST_WWDG        = _REG_BIT(0x20, 11),
        RST_SPI2        = _REG_BIT(0x20, 14),
        RST_SPI3        = _REG_BIT(0x20, 15),
        RST_SPDIFRX     = _REG_BIT(0x20, 16),
        RST_UART2       = _REG_BIT(0x20, 17),
        RST_UART3       = _REG_BIT(0x20, 18),
        RST_UART4       = _REG_BIT(0x20, 19),
        RST_UART5       = _REG_BIT(0x20, 20),
        RST_I2C1        = _REG_BIT(0x20, 21),
        RST_I2C2        = _REG_BIT(0x20, 22),
        RST_I2C3        = _REG_BIT(0x20, 23),
        RST_I2C4        = _REG_BIT(0x20, 24),
        RST_CAN1        = _REG_BIT(0x20, 25),
        RST_CAN2        = _REG_BIT(0x20, 26),
        RST_CEC         = _REG_BIT(0x20, 27),
        RST_PWR         = _REG_BIT(0x20, 28),
        RST_DAC         = _REG_BIT(0x20, 29),
        RST_UART7       = _REG_BIT(0x20, 30),
        RST_UART8       = _REG_BIT(0x20, 31),
 
        /* APB2 peripherals */
        RST_TIM1        = _REG_BIT(0x24, 0),
        RST_TIM8        = _REG_BIT(0x24, 1),
        RST_USART1      = _REG_BIT(0x24, 4),
        RST_USART6      = _REG_BIT(0x24, 5),
        RST_ADC         = _REG_BIT(0x24, 8),
        RST_SDMMC1      = _REG_BIT(0x24, 11),
        RST_SPI1        = _REG_BIT(0x24, 12),
        RST_SPI4        = _REG_BIT(0x24, 13),
        RST_SYSCFG      = _REG_BIT(0x24, 14),
        RST_TIM9        = _REG_BIT(0x24, 16),
        RST_TIM10       = _REG_BIT(0x24, 17),
        RST_TIM11       = _REG_BIT(0x24, 18),
        RST_SPI5        = _REG_BIT(0x24, 20),
        RST_SPI6        = _REG_BIT(0x24, 21),
        RST_SAI1RST     = _REG_BIT(0x24, 22),
        RST_SAI2RST     = _REG_BIT(0x24, 23),
        RST_LTDC        = _REG_BIT(0x24, 26),
};
 
#undef _REG_BIT
 
#include <libopencm3/stm32/common/rcc_common_all.h>
 
BEGIN_DECLS
void rcc_osc_ready_int_clear(enum rcc_osc osc);
void rcc_osc_ready_int_enable(enum rcc_osc osc);
void rcc_osc_ready_int_disable(enum rcc_osc osc);
int rcc_osc_ready_int_flag(enum rcc_osc osc);
void rcc_css_int_clear(void);
int rcc_css_int_flag(void);
void rcc_wait_for_sysclk_status(enum rcc_osc osc);
void rcc_osc_on(enum rcc_osc osc);
void rcc_osc_off(enum rcc_osc osc);
void rcc_css_enable(void);
void rcc_css_disable(void);
void rcc_set_sysclk_source(uint32_t clk);
void rcc_set_pll_source(uint32_t pllsrc);
void rcc_set_ppre2(uint32_t ppre2);
void rcc_set_ppre1(uint32_t ppre1);
void rcc_set_hpre(uint32_t hpre);
void rcc_set_rtcpre(uint32_t rtcpre);
void rcc_set_main_pll_hsi(uint32_t pllm, uint32_t plln, uint32_t pllp,
                          uint32_t pllq);
void rcc_set_main_pll_hse(uint32_t pllm, uint32_t plln, uint32_t pllp,
                          uint32_t pllq);
uint32_t rcc_system_clock_source(void);
void rcc_clock_setup_hse(const struct rcc_clock_scale *clock, uint32_t hse_mhz);
void rcc_clock_setup_hsi(const struct rcc_clock_scale *clock);
uint32_t rcc_get_usart_clk_freq(uint32_t usart);
uint32_t rcc_get_timer_clk_freq(uint32_t timer);
uint32_t rcc_get_i2c_clk_freq(uint32_t i2c);
uint32_t rcc_get_spi_clk_freq(uint32_t spi);
 
END_DECLS
 
/**@}*/
 
#endif