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Diffstat (limited to 'libopencm3/include/libopencm3/stm32/f1/rcc.h')
-rw-r--r-- | libopencm3/include/libopencm3/stm32/f1/rcc.h | 718 |
1 files changed, 718 insertions, 0 deletions
diff --git a/libopencm3/include/libopencm3/stm32/f1/rcc.h b/libopencm3/include/libopencm3/stm32/f1/rcc.h new file mode 100644 index 0000000..799b8c2 --- /dev/null +++ b/libopencm3/include/libopencm3/stm32/f1/rcc.h @@ -0,0 +1,718 @@ +/** @defgroup rcc_defines RCC Defines + * + * @brief <b>Defined Constants and Types for the STM32F1xx Reset and Clock + * Control</b> + * + * @ingroup STM32F1xx_defines + * + * @version 1.0.0 + * + * @author @htmlonly © @endhtmlonly 2009 + * Federico Ruiz-Ugalde \<memeruiz at gmail dot com\> + * @author @htmlonly © @endhtmlonly 2009 + * Uwe Hermann <uwe@hermann-uwe.de> + * + * @date 18 August 2012 + * + * LGPL License Terms @ref lgpl_license + * */ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de> + * Copyright (C) 2009 Federico Ruiz-Ugalde <memeruiz at gmail dot com> + * + * 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 + +/* Note: Regs/bits marked (**) only exist in "connectivity line" STM32s. */ +/* Note: Regs/bits marked (XX) do NOT exist in "connectivity line" STM32s. */ + +/* --- RCC registers ------------------------------------------------------- */ + +#define RCC_CR MMIO32(RCC_BASE + 0x00) +#define RCC_CFGR MMIO32(RCC_BASE + 0x04) +#define RCC_CIR MMIO32(RCC_BASE + 0x08) +#define RCC_APB2RSTR MMIO32(RCC_BASE + 0x0c) +#define RCC_APB1RSTR MMIO32(RCC_BASE + 0x10) +#define RCC_AHBENR MMIO32(RCC_BASE + 0x14) +#define RCC_APB2ENR MMIO32(RCC_BASE + 0x18) +#define RCC_APB1ENR MMIO32(RCC_BASE + 0x1c) +#define RCC_BDCR MMIO32(RCC_BASE + 0x20) +#define RCC_CSR MMIO32(RCC_BASE + 0x24) +#define RCC_AHBRSTR MMIO32(RCC_BASE + 0x28) /*(**)*/ +#define RCC_CFGR2 MMIO32(RCC_BASE + 0x2c) /*(**)*/ + +/* --- RCC_CR values ------------------------------------------------------- */ + +#define RCC_CR_PLL3RDY (1 << 29) /* (**) */ +#define RCC_CR_PLL3ON (1 << 28) /* (**) */ +#define RCC_CR_PLL2RDY (1 << 27) /* (**) */ +#define RCC_CR_PLL2ON (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) +/* HSICAL: [15:8] */ +/* HSITRIM: [7:3] */ +#define RCC_CR_HSIRDY (1 << 1) +#define RCC_CR_HSION (1 << 0) + +/* --- RCC_CFGR values ----------------------------------------------------- */ + +#define RCC_CFGR_MCO_SHIFT 24 +#define RCC_CFGR_MCO (0xF << RCC_CFGR_MCO_SHIFT) + +#define RCC_CFGR_OTGFSPRE (1 << 22) /* Connectivity line */ +#define RCC_CFGR_USBPRE (1 << 22) /* LD,MD, HD, XL */ + +#define RCC_CFGR_PLLMUL_SHIFT 18 +#define RCC_CFGR_PLLMUL (0xF << RCC_CFGR_PLLMUL_SHIFT) + +#define RCC_CFGR_PLLXTPRE (1 << 17) +#define RCC_CFGR_PLLSRC (1 << 16) + +#define RCC_CFGR_ADCPRE_SHIFT 14 +#define RCC_CFGR_ADCPRE (3 << RCC_CFGR_ADCPRE_SHIFT) + +#define RCC_CFGR_PPRE2_SHIFT 11 +#define RCC_CFGR_PPRE2 (7 << RCC_CFGR_PPRE2_SHIFT) + +#define RCC_CFGR_PPRE1_SHIFT 8 +#define RCC_CFGR_PPRE1 (7 << RCC_CFGR_PPRE1_SHIFT) + +#define RCC_CFGR_HPRE_SHIFT 4 +#define RCC_CFGR_HPRE (0xF << RCC_CFGR_HPRE_SHIFT) + +#define RCC_CFGR_SWS_SHIFT 2 +#define RCC_CFGR_SWS (3 << RCC_CFGR_SWS_SHIFT) + +#define RCC_CFGR_SW_SHIFT 0 +#define RCC_CFGR_SW (3 << RCC_CFGR_SW_SHIFT) + +/* MCO: Microcontroller clock output */ +/** @defgroup rcc_cfgr_co RCC_CFGR Microcontroller Clock Output Source +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_CFGR_MCO_NOCLK 0x0 +#define RCC_CFGR_MCO_SYSCLK 0x4 +#define RCC_CFGR_MCO_HSICLK 0x5 +#define RCC_CFGR_MCO_HSECLK 0x6 +#define RCC_CFGR_MCO_PLLCLK_DIV2 0x7 +#define RCC_CFGR_MCO_PLL2CLK 0x8 /* (**) */ +#define RCC_CFGR_MCO_PLL3CLK_DIV2 0x9 /* (**) */ +#define RCC_CFGR_MCO_XT1 0xa /* (**) */ +#define RCC_CFGR_MCO_PLL3 0xb /* (**) */ +/**@}*/ + +/* USBPRE: USB prescaler (RCC_CFGR[22]) */ +/** @defgroup rcc_cfgr_usbpre RCC_CFGR USB prescale Factors +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_CFGR_USBPRE_PLL_CLK_DIV1_5 0x0 +#define RCC_CFGR_USBPRE_PLL_CLK_NODIV 0x1 +/**@}*/ + +/* OTGFSPRE: USB OTG FS prescaler (RCC_CFGR[22]; only in conn. line STM32s) */ +#define RCC_CFGR_USBPRE_PLL_VCO_CLK_DIV3 0x0 +#define RCC_CFGR_USBPRE_PLL_VCO_CLK_DIV2 0x1 + +/* PLLMUL: PLL multiplication factor */ +/** @defgroup rcc_cfgr_pmf RCC_CFGR PLL Multiplication Factor +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL2 0x0 /* (XX) */ +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL3 0x1 /* (XX) */ +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL4 0x2 +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL5 0x3 +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL6 0x4 +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL7 0x5 +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL8 0x6 +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL9 0x7 +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL10 0x8 /* (XX) */ +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL11 0x9 /* (XX) */ +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL12 0xa /* (XX) */ +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL13 0xb /* (XX) */ +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL14 0xc /* (XX) */ +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL15 0xd /* 0xd: PLL x 15 */ +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL6_5 0xd /* 0xd: PLL x 6.5 for conn. + line */ +#define RCC_CFGR_PLLMUL_PLL_CLK_MUL16 0xe /* (XX) */ +/* #define PLLMUL_PLL_CLK_MUL16 0xf */ /* (XX) */ /* Errata? 17? */ +/**@}*/ + +/* TODO: conn. line differs. */ +/* PLLXTPRE: HSE divider for PLL entry */ +/** @defgroup rcc_cfgr_hsepre RCC_CFGR HSE Divider for PLL +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_CFGR_PLLXTPRE_HSE_CLK 0x0 +#define RCC_CFGR_PLLXTPRE_HSE_CLK_DIV2 0x1 +/**@}*/ + +/* PLLSRC: PLL entry clock source */ +/** @defgroup rcc_cfgr_pcs RCC_CFGR PLL Clock Source +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_CFGR_PLLSRC_HSI_CLK_DIV2 0x0 +#define RCC_CFGR_PLLSRC_HSE_CLK 0x1 +#define RCC_CFGR_PLLSRC_PREDIV1_CLK 0x1 /* On conn. line */ +/**@}*/ + +/* ADCPRE: ADC prescaler */ +/****************************************************************************/ +/** @defgroup rcc_cfgr_adcpre RCC ADC clock prescaler enable values +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_CFGR_ADCPRE_PCLK2_DIV2 0x0 +#define RCC_CFGR_ADCPRE_PCLK2_DIV4 0x1 +#define RCC_CFGR_ADCPRE_PCLK2_DIV6 0x2 +#define RCC_CFGR_ADCPRE_PCLK2_DIV8 0x3 +/**@}*/ + +/* PPRE2: APB high-speed prescaler (APB2) */ +/** @defgroup rcc_cfgr_apb2pre RCC_CFGR APB2 prescale Factors +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_CFGR_PPRE2_HCLK_NODIV 0x0 +#define RCC_CFGR_PPRE2_HCLK_DIV2 0x4 +#define RCC_CFGR_PPRE2_HCLK_DIV4 0x5 +#define RCC_CFGR_PPRE2_HCLK_DIV8 0x6 +#define RCC_CFGR_PPRE2_HCLK_DIV16 0x7 +/**@}*/ + +/* PPRE1: APB low-speed prescaler (APB1) */ +/** @defgroup rcc_cfgr_apb1pre RCC_CFGR APB1 prescale Factors +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_CFGR_PPRE1_HCLK_NODIV 0x0 +#define RCC_CFGR_PPRE1_HCLK_DIV2 0x4 +#define RCC_CFGR_PPRE1_HCLK_DIV4 0x5 +#define RCC_CFGR_PPRE1_HCLK_DIV8 0x6 +#define RCC_CFGR_PPRE1_HCLK_DIV16 0x7 +/**@}*/ + +/* HPRE: AHB prescaler */ +/** @defgroup rcc_cfgr_ahbpre RCC_CFGR AHB prescale Factors +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_CFGR_HPRE_SYSCLK_NODIV 0x0 +#define RCC_CFGR_HPRE_SYSCLK_DIV2 0x8 +#define RCC_CFGR_HPRE_SYSCLK_DIV4 0x9 +#define RCC_CFGR_HPRE_SYSCLK_DIV8 0xa +#define RCC_CFGR_HPRE_SYSCLK_DIV16 0xb +#define RCC_CFGR_HPRE_SYSCLK_DIV64 0xc +#define RCC_CFGR_HPRE_SYSCLK_DIV128 0xd +#define RCC_CFGR_HPRE_SYSCLK_DIV256 0xe +#define RCC_CFGR_HPRE_SYSCLK_DIV512 0xf +/**@}*/ + +/* SWS: System clock switch status */ +#define RCC_CFGR_SWS_SYSCLKSEL_HSICLK 0x0 +#define RCC_CFGR_SWS_SYSCLKSEL_HSECLK 0x1 +#define RCC_CFGR_SWS_SYSCLKSEL_PLLCLK 0x2 + +/* SW: System clock switch */ +/** @defgroup rcc_cfgr_scs RCC_CFGR System Clock Selection +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_CFGR_SW_SYSCLKSEL_HSICLK 0x0 +#define RCC_CFGR_SW_SYSCLKSEL_HSECLK 0x1 +#define RCC_CFGR_SW_SYSCLKSEL_PLLCLK 0x2 +/**@}*/ + +/* --- RCC_CIR values ------------------------------------------------------ */ + +/* Clock security system interrupt clear bit */ +#define RCC_CIR_CSSC (1 << 23) + +/* OSC ready interrupt clear bits */ +#define RCC_CIR_PLL3RDYC (1 << 22) /* (**) */ +#define RCC_CIR_PLL2RDYC (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_PLL3RDYIE (1 << 14) /* (**) */ +#define RCC_CIR_PLL2RDYIE (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_PLL3RDYF (1 << 6) /* (**) */ +#define RCC_CIR_PLL2RDYF (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) + +/* --- RCC_APB2RSTR values ------------------------------------------------- */ + +/** @defgroup rcc_apb2rstr_rst RCC_APB2RSTR reset values +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_APB2RSTR_ADC3RST (1 << 15) /* (XX) */ +#define RCC_APB2RSTR_USART1RST (1 << 14) +#define RCC_APB2RSTR_TIM8RST (1 << 13) /* (XX) */ +#define RCC_APB2RSTR_SPI1RST (1 << 12) +#define RCC_APB2RSTR_TIM1RST (1 << 11) +#define RCC_APB2RSTR_ADC2RST (1 << 10) +#define RCC_APB2RSTR_ADC1RST (1 << 9) +#define RCC_APB2RSTR_IOPGRST (1 << 8) /* (XX) */ +#define RCC_APB2RSTR_IOPFRST (1 << 7) /* (XX) */ +#define RCC_APB2RSTR_IOPERST (1 << 6) +#define RCC_APB2RSTR_IOPDRST (1 << 5) +#define RCC_APB2RSTR_IOPCRST (1 << 4) +#define RCC_APB2RSTR_IOPBRST (1 << 3) +#define RCC_APB2RSTR_IOPARST (1 << 2) +#define RCC_APB2RSTR_AFIORST (1 << 0) +/**@}*/ + +/* --- RCC_APB1RSTR values ------------------------------------------------- */ + +/** @defgroup rcc_apb1rstr_rst RCC_APB1RSTR reset values +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_APB1RSTR_DACRST (1 << 29) +#define RCC_APB1RSTR_PWRRST (1 << 28) +#define RCC_APB1RSTR_BKPRST (1 << 27) +#define RCC_APB1RSTR_CAN2RST (1 << 26) /* (**) */ +#define RCC_APB1RSTR_CAN1RST (1 << 25) /* (**) */ +#define RCC_APB1RSTR_CANRST (1 << 25) /* (XX) Alias for + CAN1RST */ +#define RCC_APB1RSTR_USBRST (1 << 23) /* (XX) */ +#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_USART3RST (1 << 18) +#define RCC_APB1RSTR_USART2RST (1 << 17) +#define RCC_APB1RSTR_SPI3RST (1 << 15) +#define RCC_APB1RSTR_SPI2RST (1 << 14) +#define RCC_APB1RSTR_WWDGRST (1 << 11) +#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) +/**@}*/ + +/* --- RCC_AHBENR values --------------------------------------------------- */ + +/** @defgroup rcc_ahbenr_en RCC_AHBENR enable values +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_AHBENR_ETHMACENRX (1 << 16) +#define RCC_AHBENR_ETHMACENTX (1 << 15) +#define RCC_AHBENR_ETHMACEN (1 << 14) +#define RCC_AHBENR_OTGFSEN (1 << 12) +#define RCC_AHBENR_SDIOEN (1 << 10) +#define RCC_AHBENR_FSMCEN (1 << 8) +#define RCC_AHBENR_CRCEN (1 << 6) +#define RCC_AHBENR_FLITFEN (1 << 4) +#define RCC_AHBENR_SRAMEN (1 << 2) +#define RCC_AHBENR_DMA2EN (1 << 1) +#define RCC_AHBENR_DMA1EN (1 << 0) +/**@}*/ + +/* --- RCC_APB2ENR values -------------------------------------------------- */ + +/** @defgroup rcc_apb2enr_en RCC_APB2ENR enable values +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_APB2ENR_ADC3EN (1 << 15) /* (XX) */ +#define RCC_APB2ENR_USART1EN (1 << 14) +#define RCC_APB2ENR_TIM8EN (1 << 13) /* (XX) */ +#define RCC_APB2ENR_SPI1EN (1 << 12) +#define RCC_APB2ENR_TIM1EN (1 << 11) +#define RCC_APB2ENR_ADC2EN (1 << 10) +#define RCC_APB2ENR_ADC1EN (1 << 9) +#define RCC_APB2ENR_IOPGEN (1 << 8) /* (XX) */ +#define RCC_APB2ENR_IOPFEN (1 << 7) /* (XX) */ +#define RCC_APB2ENR_IOPEEN (1 << 6) +#define RCC_APB2ENR_IOPDEN (1 << 5) +#define RCC_APB2ENR_IOPCEN (1 << 4) +#define RCC_APB2ENR_IOPBEN (1 << 3) +#define RCC_APB2ENR_IOPAEN (1 << 2) +#define RCC_APB2ENR_AFIOEN (1 << 0) +/**@}*/ + +/* --- RCC_APB1ENR values -------------------------------------------------- */ + +/** @defgroup rcc_apb1enr_en RCC_APB1ENR enable values +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_APB1ENR_DACEN (1 << 29) +#define RCC_APB1ENR_PWREN (1 << 28) +#define RCC_APB1ENR_BKPEN (1 << 27) +#define RCC_APB1ENR_CAN2EN (1 << 26) /* (**) */ +#define RCC_APB1ENR_CAN1EN (1 << 25) /* (**) */ +#define RCC_APB1ENR_CANEN (1 << 25) /* (XX) Alias for + CAN1EN */ +#define RCC_APB1ENR_USBEN (1 << 23) /* (XX) */ +#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_SPI3EN (1 << 15) +#define RCC_APB1ENR_SPI2EN (1 << 14) +#define RCC_APB1ENR_WWDGEN (1 << 11) +#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) +/**@}*/ + +/* --- RCC_BDCR values ----------------------------------------------------- */ + +#define RCC_BDCR_BDRST (1 << 16) +#define RCC_BDCR_RTCEN (1 << 15) +/* RCC_BDCR[9:8]: RTCSEL */ +#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_RMVF (1 << 24) +#define RCC_CSR_LSIRDY (1 << 1) +#define RCC_CSR_LSION (1 << 0) + +/* --- RCC_AHBRSTR values -------------------------------------------------- */ + +/** @defgroup rcc_ahbrstr_rst RCC_AHBRSTR reset values +@ingroup STM32F1xx_rcc_defines + +@{*/ +#define RCC_AHBRSTR_ETHMACRST (1 << 14) +#define RCC_AHBRSTR_OTGFSRST (1 << 12) +/**@}*/ + +/* --- RCC_CFGR2 values ---------------------------------------------------- */ + +/* I2S3SRC: I2S3 clock source */ +#define RCC_CFGR2_I2S3SRC_SYSCLK 0x0 +#define RCC_CFGR2_I2S3SRC_PLL3_VCO_CLK 0x1 + +/* I2S2SRC: I2S2 clock source */ +#define RCC_CFGR2_I2S2SRC_SYSCLK 0x0 +#define RCC_CFGR2_I2S2SRC_PLL3_VCO_CLK 0x1 +#define RCC_CFGR2_I2S2SRC (1 << 17) + +/* PREDIV1SRC: PREDIV1 entry clock source */ +#define RCC_CFGR2_PREDIV1SRC_HSE_CLK 0x0 +#define RCC_CFGR2_PREDIV1SRC_PLL2_CLK 0x1 +#define RCC_CFGR2_PREDIV1SRC (1 << 16) + +#define RCC_CFGR2_PLL3MUL_SHIFT 12 +#define RCC_CFGR2_PLL3MUL (0xF << RCC_CFGR2_PLL3MUL_SHIFT) + +#define RCC_CFGR2_PLL2MUL_SHIFT 8 +#define RCC_CFGR2_PLL2MUL (0xF << RCC_CFGR2_PLL2MUL_SHIFT) + +#define RCC_CFGR2_PREDIV2_SHIFT 4 +#define RCC_CFGR2_PREDIV2 (0xF << RCC_CFGR2_PREDIV2_SHIFT) + +#define RCC_CFGR2_PREDIV1_SHIFT 0 +#define RCC_CFGR2_PREDIV1 (0xF << RCC_CFGR2_PREDIV1_SHIFT) + +/* PLL3MUL: PLL3 multiplication factor */ +#define RCC_CFGR2_PLL3MUL_PLL3_CLK_MUL8 0x6 +#define RCC_CFGR2_PLL3MUL_PLL3_CLK_MUL9 0x7 +#define RCC_CFGR2_PLL3MUL_PLL3_CLK_MUL10 0x8 +#define RCC_CFGR2_PLL3MUL_PLL3_CLK_MUL11 0x9 +#define RCC_CFGR2_PLL3MUL_PLL3_CLK_MUL12 0xa +#define RCC_CFGR2_PLL3MUL_PLL3_CLK_MUL13 0xb +#define RCC_CFGR2_PLL3MUL_PLL3_CLK_MUL14 0xc +#define RCC_CFGR2_PLL3MUL_PLL3_CLK_MUL16 0xe +#define RCC_CFGR2_PLL3MUL_PLL3_CLK_MUL20 0xf + +/* PLL2MUL: PLL2 multiplication factor */ +#define RCC_CFGR2_PLL2MUL_PLL2_CLK_MUL8 0x6 +#define RCC_CFGR2_PLL2MUL_PLL2_CLK_MUL9 0x7 +#define RCC_CFGR2_PLL2MUL_PLL2_CLK_MUL10 0x8 +#define RCC_CFGR2_PLL2MUL_PLL2_CLK_MUL11 0x9 +#define RCC_CFGR2_PLL2MUL_PLL2_CLK_MUL12 0xa +#define RCC_CFGR2_PLL2MUL_PLL2_CLK_MUL13 0xb +#define RCC_CFGR2_PLL2MUL_PLL2_CLK_MUL14 0xc +#define RCC_CFGR2_PLL2MUL_PLL2_CLK_MUL16 0xe +#define RCC_CFGR2_PLL2MUL_PLL2_CLK_MUL20 0xf + +/* PREDIV: PREDIV division factor */ +#define RCC_CFGR2_PREDIV_NODIV 0x0 +#define RCC_CFGR2_PREDIV_DIV2 0x1 +#define RCC_CFGR2_PREDIV_DIV3 0x2 +#define RCC_CFGR2_PREDIV_DIV4 0x3 +#define RCC_CFGR2_PREDIV_DIV5 0x4 +#define RCC_CFGR2_PREDIV_DIV6 0x5 +#define RCC_CFGR2_PREDIV_DIV7 0x6 +#define RCC_CFGR2_PREDIV_DIV8 0x7 +#define RCC_CFGR2_PREDIV_DIV9 0x8 +#define RCC_CFGR2_PREDIV_DIV10 0x9 +#define RCC_CFGR2_PREDIV_DIV11 0xa +#define RCC_CFGR2_PREDIV_DIV12 0xb +#define RCC_CFGR2_PREDIV_DIV13 0xc +#define RCC_CFGR2_PREDIV_DIV14 0xd +#define RCC_CFGR2_PREDIV_DIV15 0xe +#define RCC_CFGR2_PREDIV_DIV16 0xf + +/* PREDIV2: PREDIV2 division factor */ +#define RCC_CFGR2_PREDIV2_NODIV 0x0 +#define RCC_CFGR2_PREDIV2_DIV2 0x1 +#define RCC_CFGR2_PREDIV2_DIV3 0x2 +#define RCC_CFGR2_PREDIV2_DIV4 0x3 +#define RCC_CFGR2_PREDIV2_DIV5 0x4 +#define RCC_CFGR2_PREDIV2_DIV6 0x5 +#define RCC_CFGR2_PREDIV2_DIV7 0x6 +#define RCC_CFGR2_PREDIV2_DIV8 0x7 +#define RCC_CFGR2_PREDIV2_DIV9 0x8 +#define RCC_CFGR2_PREDIV2_DIV10 0x9 +#define RCC_CFGR2_PREDIV2_DIV11 0xa +#define RCC_CFGR2_PREDIV2_DIV12 0xb +#define RCC_CFGR2_PREDIV2_DIV13 0xc +#define RCC_CFGR2_PREDIV2_DIV14 0xd +#define RCC_CFGR2_PREDIV2_DIV15 0xe +#define RCC_CFGR2_PREDIV2_DIV16 0xf + +/* --- Variable definitions ------------------------------------------------ */ +extern uint32_t rcc_ppre1_frequency; +extern uint32_t rcc_ppre2_frequency; + +/* --- Function prototypes ------------------------------------------------- */ + +enum rcc_osc { + PLL, PLL2, PLL3, HSE, HSI, LSE, LSI +}; + +#define _REG_BIT(base, bit) (((base) << 5) + (bit)) + +/* V = value line F100 + * N = standard line F101, F102, F103 + * C = communication line F105, F107 + */ +enum rcc_periph_clken { + + /* AHB peripherals */ + RCC_DMA1 = _REG_BIT(0x14, 0),/*VNC*/ + RCC_DMA2 = _REG_BIT(0x14, 1),/*VNC*/ + RCC_SRAM = _REG_BIT(0x14, 2),/*VNC*/ + RCC_FLTF = _REG_BIT(0x14, 4),/*VNC*/ + RCC_CRC = _REG_BIT(0x14, 6),/*VNC*/ + RCC_FSMC = _REG_BIT(0x14, 8),/*VN-*/ + RCC_SDIO = _REG_BIT(0x14, 10),/*-N-*/ + RCC_OTGFS = _REG_BIT(0x14, 12),/*--C*/ + RCC_ETHMAC = _REG_BIT(0x14, 14),/*--C*/ + RCC_ETHMACTX = _REG_BIT(0x14, 15),/*--C*/ + RCC_ETHMACRX = _REG_BIT(0x14, 16),/*--C*/ + + /* APB2 peripherals */ + RCC_AFIO = _REG_BIT(0x18, 0),/*VNC*/ + RCC_GPIOA = _REG_BIT(0x18, 2),/*VNC*/ + RCC_GPIOB = _REG_BIT(0x18, 3),/*VNC*/ + RCC_GPIOC = _REG_BIT(0x18, 4),/*VNC*/ + RCC_GPIOD = _REG_BIT(0x18, 5),/*VNC*/ + RCC_GPIOE = _REG_BIT(0x18, 6),/*VNC*/ + RCC_GPIOF = _REG_BIT(0x18, 7),/*VN-*/ + RCC_GPIOG = _REG_BIT(0x18, 8),/*VN-*/ + RCC_ADC1 = _REG_BIT(0x18, 9),/*VNC*/ + RCC_ADC2 = _REG_BIT(0x18, 10),/*-NC*/ + RCC_TIM1 = _REG_BIT(0x18, 11),/*VNC*/ + RCC_SPI1 = _REG_BIT(0x18, 12),/*VNC*/ + RCC_TIM8 = _REG_BIT(0x18, 13),/*-N-*/ + RCC_USART1 = _REG_BIT(0x18, 14),/*VNC*/ + RCC_ADC3 = _REG_BIT(0x18, 15),/*-N-*/ + RCC_TIM15 = _REG_BIT(0x18, 16),/*V--*/ + RCC_TIM16 = _REG_BIT(0x18, 17),/*V--*/ + RCC_TIM17 = _REG_BIT(0x18, 18),/*V--*/ + RCC_TIM9 = _REG_BIT(0x18, 19),/*-N-*/ + RCC_TIM10 = _REG_BIT(0x18, 20),/*-N-*/ + RCC_TIM11 = _REG_BIT(0x18, 21),/*-N-*/ + + /* APB1 peripherals */ + RCC_TIM2 = _REG_BIT(0x1C, 0),/*VNC*/ + RCC_TIM3 = _REG_BIT(0x1C, 1),/*VNC*/ + RCC_TIM4 = _REG_BIT(0x1C, 2),/*VNC*/ + RCC_TIM5 = _REG_BIT(0x1C, 3),/*VNC*/ + RCC_TIM6 = _REG_BIT(0x1C, 4),/*VNC*/ + RCC_TIM7 = _REG_BIT(0x1C, 5),/*VNC*/ + RCC_TIM12 = _REG_BIT(0x1C, 6),/*VN-*/ + RCC_TIM13 = _REG_BIT(0x1C, 7),/*VN-*/ + RCC_TIM14 = _REG_BIT(0x1C, 8),/*VN-*/ + RCC_WWDG = _REG_BIT(0x1C, 11),/*VNC*/ + RCC_SPI2 = _REG_BIT(0x1C, 14),/*VNC*/ + RCC_SPI3 = _REG_BIT(0x1C, 15),/*VNC*/ + RCC_USART2 = _REG_BIT(0x1C, 17),/*VNC*/ + RCC_USART3 = _REG_BIT(0x1C, 18),/*VNC*/ + RCC_UART4 = _REG_BIT(0x1C, 19),/*VNC*/ + RCC_UART5 = _REG_BIT(0x1C, 20),/*VNC*/ + RCC_I2C1 = _REG_BIT(0x1C, 21),/*VNC*/ + RCC_I2C2 = _REG_BIT(0x1C, 22),/*VNC*/ + RCC_USB = _REG_BIT(0x1C, 23),/*-N-*/ + RCC_CAN = _REG_BIT(0x1C, 25),/*-N-*/ + RCC_CAN1 = _REG_BIT(0x1C, 25),/*--C*/ + RCC_CAN2 = _REG_BIT(0x1C, 26),/*--C*/ + RCC_BKP = _REG_BIT(0x1C, 27),/*VNC*/ + RCC_PWR = _REG_BIT(0x1C, 28),/*VNC*/ + RCC_DAC = _REG_BIT(0x1C, 29),/*VNC*/ + RCC_CEC = _REG_BIT(0x1C, 30),/*V--*/ +}; + +enum rcc_periph_rst { + + /* AHB peripherals */ + RST_OTGFS = _REG_BIT(0x28, 12),/*--C*/ + RST_ETHMAC = _REG_BIT(0x28, 14),/*--C*/ + + /* APB2 peripherals */ + RST_AFIO = _REG_BIT(0x0c, 0),/*VNC*/ + RST_GPIOA = _REG_BIT(0x0c, 2),/*VNC*/ + RST_GPIOB = _REG_BIT(0x0c, 3),/*VNC*/ + RST_GPIOC = _REG_BIT(0x0c, 4),/*VNC*/ + RST_GPIOD = _REG_BIT(0x0c, 5),/*VNC*/ + RST_GPIOE = _REG_BIT(0x0c, 6),/*VNC*/ + RST_GPIOF = _REG_BIT(0x0c, 7),/*VN-*/ + RST_GPIOG = _REG_BIT(0x0c, 8),/*VN-*/ + RST_ADC1 = _REG_BIT(0x0c, 9),/*VNC*/ + RST_ADC2 = _REG_BIT(0x0c, 10),/*-NC*/ + RST_TIM1 = _REG_BIT(0x0c, 11),/*VNC*/ + RST_SPI1 = _REG_BIT(0x0c, 12),/*VNC*/ + RST_TIM8 = _REG_BIT(0x0c, 13),/*-N-*/ + RST_USART1 = _REG_BIT(0x0c, 14),/*VNC*/ + RST_ADC3 = _REG_BIT(0x0c, 15),/*-N-*/ + RST_TIM15 = _REG_BIT(0x0c, 16),/*V--*/ + RST_TIM16 = _REG_BIT(0x0c, 17),/*V--*/ + RST_TIM17 = _REG_BIT(0x0c, 18),/*V--*/ + RST_TIM9 = _REG_BIT(0x0c, 19),/*-N-*/ + RST_TIM10 = _REG_BIT(0x0c, 20),/*-N-*/ + RST_TIM11 = _REG_BIT(0x0c, 21),/*-N-*/ + + /* APB1 peripherals */ + RST_TIM2 = _REG_BIT(0x10, 0),/*VNC*/ + RST_TIM3 = _REG_BIT(0x10, 1),/*VNC*/ + RST_TIM4 = _REG_BIT(0x10, 2),/*VNC*/ + RST_TIM5 = _REG_BIT(0x10, 3),/*VNC*/ + RST_TIM6 = _REG_BIT(0x10, 4),/*VNC*/ + RST_TIM7 = _REG_BIT(0x10, 5),/*VNC*/ + RST_TIM12 = _REG_BIT(0x10, 6),/*VN-*/ + RST_TIM13 = _REG_BIT(0x10, 7),/*VN-*/ + RST_TIM14 = _REG_BIT(0x10, 8),/*VN-*/ + RST_WWDG = _REG_BIT(0x10, 11),/*VNC*/ + RST_SPI2 = _REG_BIT(0x10, 14),/*VNC*/ + RST_SPI3 = _REG_BIT(0x10, 15),/*VNC*/ + RST_USART2 = _REG_BIT(0x10, 17),/*VNC*/ + RST_USART3 = _REG_BIT(0x10, 18),/*VNC*/ + RST_UART4 = _REG_BIT(0x10, 19),/*VNC*/ + RST_UART5 = _REG_BIT(0x10, 20),/*VNC*/ + RST_I2C1 = _REG_BIT(0x10, 21),/*VNC*/ + RST_I2C2 = _REG_BIT(0x10, 22),/*VNC*/ + RST_USB = _REG_BIT(0x10, 23),/*-N-*/ + RST_CAN = _REG_BIT(0x10, 24),/*-N-*/ + RST_CAN1 = _REG_BIT(0x10, 24),/*--C*/ + RST_CAN2 = _REG_BIT(0x10, 25),/*--C*/ + RST_BKP = _REG_BIT(0x10, 27),/*VNC*/ + RST_PWR = _REG_BIT(0x10, 28),/*VNC*/ + RST_DAC = _REG_BIT(0x10, 29),/*VNC*/ + RST_CEC = _REG_BIT(0x10, 30),/*V--*/ +}; + +#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_osc_ready(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_mco(uint32_t mcosrc); +void rcc_osc_bypass_enable(enum rcc_osc osc); +void rcc_osc_bypass_disable(enum rcc_osc osc); +void rcc_set_sysclk_source(uint32_t clk); +void rcc_set_pll_multiplication_factor(uint32_t mul); +void rcc_set_pll2_multiplication_factor(uint32_t mul); +void rcc_set_pll3_multiplication_factor(uint32_t mul); +void rcc_set_pll_source(uint32_t pllsrc); +void rcc_set_pllxtpre(uint32_t pllxtpre); +void rcc_set_adcpre(uint32_t adcpre); +void rcc_set_ppre2(uint32_t ppre2); +void rcc_set_ppre1(uint32_t ppre1); +void rcc_set_hpre(uint32_t hpre); +void rcc_set_usbpre(uint32_t usbpre); +void rcc_set_prediv1(uint32_t prediv); +void rcc_set_prediv2(uint32_t prediv); +void rcc_set_prediv1_source(uint32_t rccsrc); +uint32_t rcc_system_clock_source(void); +void rcc_clock_setup_in_hsi_out_64mhz(void); +void rcc_clock_setup_in_hsi_out_48mhz(void); +void rcc_clock_setup_in_hsi_out_24mhz(void); +void rcc_clock_setup_in_hse_8mhz_out_24mhz(void); +void rcc_clock_setup_in_hse_8mhz_out_72mhz(void); +void rcc_clock_setup_in_hse_12mhz_out_72mhz(void); +void rcc_clock_setup_in_hse_16mhz_out_72mhz(void); +void rcc_clock_setup_in_hse_25mhz_out_72mhz(void); +void rcc_backupdomain_reset(void); + +END_DECLS + +#endif +/**@}*/ + |