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Diffstat (limited to 'libopencm3/include/libopencm3/stm32/f4/rcc.h')
| -rw-r--r-- | libopencm3/include/libopencm3/stm32/f4/rcc.h | 784 |
1 files changed, 784 insertions, 0 deletions
diff --git a/libopencm3/include/libopencm3/stm32/f4/rcc.h b/libopencm3/include/libopencm3/stm32/f4/rcc.h new file mode 100644 index 0000000..0d094f7 --- /dev/null +++ b/libopencm3/include/libopencm3/stm32/f4/rcc.h @@ -0,0 +1,784 @@ +/** @defgroup rcc_defines RCC Defines + * + * @brief <b>Defined Constants and Types for the STM32F4xx Reset and Clock + * Control</b> + * + * @ingroup STM32F4xx_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> + * @author @htmlonly © @endhtmlonly 2011 + * Fergus Noble <fergusnoble@gmail.com> + * @author @htmlonly © @endhtmlonly 2011 + * Stephen Caudle <scaudle@doceme.com> + * + * @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> + * Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com> + * Copyright (C) 2011 Stephen Caudle <scaudle@doceme.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 + +/* --- 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) +/* RCC_BASE + 0x1c Reserved */ +#define RCC_APB1RSTR MMIO32(RCC_BASE + 0x20) +#define RCC_APB2RSTR MMIO32(RCC_BASE + 0x24) +/* RCC_BASE + 0x28 Reserved */ +/* RCC_BASE + 0x2c Reserved */ +#define RCC_AHB1ENR MMIO32(RCC_BASE + 0x30) +#define RCC_AHB2ENR MMIO32(RCC_BASE + 0x34) +#define RCC_AHB3ENR MMIO32(RCC_BASE + 0x38) +/* RCC_BASE + 0x3c Reserved */ +#define RCC_APB1ENR MMIO32(RCC_BASE + 0x40) +#define RCC_APB2ENR MMIO32(RCC_BASE + 0x44) +/* RCC_BASE + 0x48 Reserved */ +/* RCC_BASE + 0x4c Reserved */ +#define RCC_AHB1LPENR MMIO32(RCC_BASE + 0x50) +#define RCC_AHB2LPENR MMIO32(RCC_BASE + 0x54) +#define RCC_AHB3LPENR MMIO32(RCC_BASE + 0x58) +/* RCC_BASE + 0x5c Reserved */ +#define RCC_APB1LPENR MMIO32(RCC_BASE + 0x60) +#define RCC_APB2LPENR MMIO32(RCC_BASE + 0x64) +/* RCC_BASE + 0x68 Reserved */ +/* RCC_BASE + 0x6c Reserved */ +#define RCC_BDCR MMIO32(RCC_BASE + 0x70) +#define RCC_CSR MMIO32(RCC_BASE + 0x74) +/* RCC_BASE + 0x78 Reserved */ +/* RCC_BASE + 0x7c Reserved */ +#define RCC_SSCGR MMIO32(RCC_BASE + 0x80) +#define RCC_PLLI2SCFGR MMIO32(RCC_BASE + 0x84) + +/* --- RCC_CR values ------------------------------------------------------- */ + +#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) +/* HSICAL: [15:8] */ +/* HSITRIM: [7:3] */ +#define RCC_CR_HSIRDY (1 << 1) +#define RCC_CR_HSION (1 << 0) + +/* --- RCC_PLLCFGR values -------------------------------------------------- */ + +/* PLLQ: [27:24] */ +#define RCC_PLLCFGR_PLLQ_SHIFT 24 +#define RCC_PLLCFGR_PLLSRC (1 << 22) +/* PLLP: [17:16] */ +#define RCC_PLLCFGR_PLLP_SHIFT 16 +/* PLLN: [14:6] */ +#define RCC_PLLCFGR_PLLN_SHIFT 6 +/* PLLM: [5:0] */ +#define RCC_PLLCFGR_PLLM_SHIFT 0 + +/* --- RCC_CFGR values ----------------------------------------------------- */ + +/* MCO2: Microcontroller clock output 2 */ +#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_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_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 + +/* RTCPRE: HSE division factor for RTC clock */ +#define RCC_CFGR_RTCPRE_SHIFT 21 + +/* PPRE1/2: APB high-speed prescalers */ +#define RCC_CFGR_PPRE2_SHIFT 13 +#define RCC_CFGR_PPRE1_SHIFT 10 +#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 + +/* HPRE: AHB high-speed prescaler */ +#define RCC_CFGR_HPRE_SHIFT 4 +#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) + +/* SWS: System clock switch status */ +#define RCC_CFGR_SWS_SHIFT 2 +#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_HSI 0x0 +#define RCC_CFGR_SW_HSE 0x1 +#define RCC_CFGR_SW_PLL 0x2 + +/* --- RCC_CIR values ------------------------------------------------------ */ + +/* Clock security system interrupt clear bit */ +#define RCC_CIR_CSSC (1 << 23) + +/* OSC ready interrupt clear bits */ +#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_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_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) + +/* --- RCC_AHB1RSTR values ------------------------------------------------- */ + +#define RCC_AHB1RSTR_OTGHSRST (1 << 29) +#define RCC_AHB1RSTR_ETHMACRST (1 << 25) +#define RCC_AHB1RSTR_DMA2RST (1 << 22) +#define RCC_AHB1RSTR_DMA1RST (1 << 21) +#define RCC_AHB1RSTR_CRCRST (1 << 12) +#define RCC_AHB1RSTR_IOPIRST (1 << 8) +#define RCC_AHB1RSTR_IOPHRST (1 << 7) +#define RCC_AHB1RSTR_IOPGRST (1 << 6) +#define RCC_AHB1RSTR_IOPFRST (1 << 5) +#define RCC_AHB1RSTR_IOPERST (1 << 4) +#define RCC_AHB1RSTR_IOPDRST (1 << 3) +#define RCC_AHB1RSTR_IOPCRST (1 << 2) +#define RCC_AHB1RSTR_IOPBRST (1 << 1) +#define RCC_AHB1RSTR_IOPARST (1 << 0) + +/* --- RCC_AHB2RSTR 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) + +/* --- RCC_AHB3RSTR values ------------------------------------------------- */ + +#define RCC_AHB3RSTR_FSMCRST (1 << 0) + +/* --- RCC_APB1RSTR values ------------------------------------------------- */ + +#define RCC_APB1RSTR_DACRST (1 << 29) +#define RCC_APB1RSTR_PWRRST (1 << 28) +#define RCC_APB1RSTR_CAN2RST (1 << 26) +#define RCC_APB1RSTR_CAN1RST (1 << 25) +#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_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_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) + +/* --- RCC_APB2RSTR values ------------------------------------------------- */ + +#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_SPI1RST (1 << 12) +#define RCC_APB2RSTR_SDIORST (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) + +/* --- RCC_AHB1ENR 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_DMA2EN (1 << 22) +#define RCC_AHB1ENR_DMA1EN (1 << 21) +#define RCC_AHB1ENR_BKPSRAMEN (1 << 18) +#define RCC_AHB1ENR_CRCEN (1 << 12) +#define RCC_AHB1ENR_IOPIEN (1 << 8) +#define RCC_AHB1ENR_IOPHEN (1 << 7) +#define RCC_AHB1ENR_IOPGEN (1 << 6) +#define RCC_AHB1ENR_IOPFEN (1 << 5) +#define RCC_AHB1ENR_IOPEEN (1 << 4) +#define RCC_AHB1ENR_IOPDEN (1 << 3) +#define RCC_AHB1ENR_IOPCEN (1 << 2) +#define RCC_AHB1ENR_IOPBEN (1 << 1) +#define RCC_AHB1ENR_IOPAEN (1 << 0) + +/* --- RCC_AHB2ENR 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) + +/* --- RCC_AHB3ENR values ------------------------------------------------- */ + +#define RCC_AHB3ENR_FSMCEN (1 << 0) +/* Alternate now that F429 has DRAM controller as well */ +#define RCC_AHB3ENR_FMCEN (1 << 0) + +/* --- RCC_APB1ENR 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_CAN2EN (1 << 26) +#define RCC_APB1ENR_CAN1EN (1 << 25) +#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_SPI3EN (1 << 15) +#define RCC_APB1ENR_SPI2EN (1 << 14) +#define RCC_APB1ENR_WWDGEN (1 << 11) +#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) + +/* --- RCC_APB2ENR values ------------------------------------------------- */ + +#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_SDIOEN (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_DMA2LPEN (1 << 22) +#define RCC_AHB1LPENR_DMA1LPEN (1 << 21) +#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_CRCLPEN (1 << 12) +#define RCC_AHB1LPENR_IOPILPEN (1 << 8) +#define RCC_AHB1LPENR_IOPHLPEN (1 << 7) +#define RCC_AHB1LPENR_IOPGLPEN (1 << 6) +#define RCC_AHB1LPENR_IOPFLPEN (1 << 5) +#define RCC_AHB1LPENR_IOPELPEN (1 << 4) +#define RCC_AHB1LPENR_IOPDLPEN (1 << 3) +#define RCC_AHB1LPENR_IOPCLPEN (1 << 2) +#define RCC_AHB1LPENR_IOPBLPEN (1 << 1) +#define RCC_AHB1LPENR_IOPALPEN (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_FSMCLPEN (1 << 0) + +/* --- RCC_APB1LPENR values ------------------------------------------------- */ + +#define RCC_APB1LPENR_DACLPEN (1 << 29) +#define RCC_APB1LPENR_PWRLPEN (1 << 28) +#define RCC_APB1LPENR_CAN2LPEN (1 << 26) +#define RCC_APB1LPENR_CAN1LPEN (1 << 25) +#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_SPI3LPEN (1 << 15) +#define RCC_APB1LPENR_SPI2LPEN (1 << 14) +#define RCC_APB1LPENR_WWDGLPEN (1 << 11) +#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_TIM11LPEN (1 << 18) +#define RCC_APB2LPENR_TIM10LPEN (1 << 17) +#define RCC_APB2LPENR_TIM9LPEN (1 << 16) +#define RCC_APB2LPENR_SYSCFGLPEN (1 << 14) +#define RCC_APB2LPENR_SPI1LPEN (1 << 12) +#define RCC_APB2LPENR_SDIOLPEN (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) +/* 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_BORRSTF (1 << 25) +#define RCC_CSR_RMVF (1 << 24) +#define RCC_CSR_LSIRDY (1 << 1) +#define RCC_CSR_LSION (1 << 0) + +/* --- RCC_SSCGR values ---------------------------------------------------- */ + +/* PLL spread spectrum clock generation documented in Datasheet. */ + +#define RCC_SSCGR_SSCGEN (1 << 31) +#define RCC_SSCGR_SPREADSEL (1 << 30) +/* RCC_SSCGR[27:16]: INCSTEP */ +#define RCC_SSCGR_INCSTEP_SHIFT 16 +/* RCC_SSCGR[15:0]: MODPER */ +#define RCC_SSCGR_MODPER_SHIFT 15 + +/* --- RCC_PLLI2SCFGR values ----------------------------------------------- */ + +/* RCC_PLLI2SCFGR[30:28]: PLLI2SR */ +#define RCC_PLLI2SCFGR_PLLI2SR_SHIFT 28 +/* RCC_PLLI2SCFGR[14:6]: PLLI2SN */ +#define RCC_PLLI2SCFGR_PLLI2SN_SHIFT 6 + +/* --- Variable definitions ------------------------------------------------ */ +extern uint32_t rcc_ppre1_frequency; +extern uint32_t rcc_ppre2_frequency; + +/* --- Function prototypes ------------------------------------------------- */ + +typedef enum { + CLOCK_3V3_48MHZ, + CLOCK_3V3_120MHZ, + CLOCK_3V3_168MHZ, + CLOCK_3V3_END +} clock_3v3_t; + +typedef struct { + uint8_t pllm; + uint16_t plln; + uint8_t pllp; + uint8_t pllq; + uint32_t flash_config; + uint8_t hpre; + uint8_t ppre1; + uint8_t ppre2; + uint8_t power_save; + uint32_t apb1_frequency; + uint32_t apb2_frequency; +} clock_scale_t; + +extern const clock_scale_t hse_8mhz_3v3[CLOCK_3V3_END]; +extern const clock_scale_t hse_12mhz_3v3[CLOCK_3V3_END]; +extern const clock_scale_t hse_16mhz_3v3[CLOCK_3V3_END]; + +enum rcc_osc { + PLL, HSE, HSI, LSE, 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_CRC = _REG_BIT(0x30, 12), + RCC_BKPSRAM = _REG_BIT(0x30, 18), + RCC_CCMDATARAM = _REG_BIT(0x30, 20), + RCC_DMA1 = _REG_BIT(0x30, 21), + RCC_DMA2 = _REG_BIT(0x30, 22), + 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_FSMC = _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_WWDG = _REG_BIT(0x40, 11), + RCC_SPI2 = _REG_BIT(0x40, 14), + RCC_SPI3 = _REG_BIT(0x40, 15), + 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_CAN1 = _REG_BIT(0x40, 25), + RCC_CAN2 = _REG_BIT(0x40, 26), + RCC_PWR = _REG_BIT(0x40, 28), + RCC_DAC = _REG_BIT(0x40, 29), + RCC_UART7 = _REG_BIT(0x40, 30),/* F2xx, F3xx */ + RCC_UART8 = _REG_BIT(0x40, 31),/* F2xx, F3xx */ + + /* 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_SDIO = _REG_BIT(0x44, 11), + RCC_SPI1 = _REG_BIT(0x44, 12), + RCC_SPI4 = _REG_BIT(0x44, 13),/* F2xx, F3xx */ + 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),/* F2xx, F3xx */ + RCC_SPI6 = _REG_BIT(0x44, 21),/* F2xx, F3xx */ + + /* 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_CRC = _REG_BIT(0x50, 12), + 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_SRAM3 = _REG_BIT(0x50, 19),/* F2xx, F3xx */ + SCC_DMA1 = _REG_BIT(0x50, 21), + SCC_DMA2 = _REG_BIT(0x50, 22), + 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_FSMC = _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_WWDG = _REG_BIT(0x60, 11), + SCC_SPI2 = _REG_BIT(0x60, 14), + SCC_SPI3 = _REG_BIT(0x60, 15), + 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_CAN1 = _REG_BIT(0x60, 25), + SCC_CAN2 = _REG_BIT(0x60, 26), + SCC_PWR = _REG_BIT(0x60, 28), + SCC_DAC = _REG_BIT(0x60, 29), + SCC_UART7 = _REG_BIT(0x60, 30),/* F2xx, F3xx */ + SCC_UART8 = _REG_BIT(0x60, 31),/* F2xx, F3xx */ + + /* 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_SDIO = _REG_BIT(0x64, 11), + SCC_SPI1 = _REG_BIT(0x64, 12), + SCC_SPI4 = _REG_BIT(0x64, 13),/* F2xx, F3xx */ + 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),/* F2xx, F3xx */ + SCC_SPI6 = _REG_BIT(0x64, 21),/* F2xx, F3xx */ +}; + +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_CRC = _REG_BIT(0x10, 12), + RST_DMA1 = _REG_BIT(0x10, 21), + RST_DMA2 = _REG_BIT(0x10, 22), + 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_FSMC = _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_WWDG = _REG_BIT(0x20, 11), + RST_SPI2 = _REG_BIT(0x20, 14), + RST_SPI3 = _REG_BIT(0x20, 15), + RST_USART2 = _REG_BIT(0x20, 17), + RST_USART3 = _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_CAN1 = _REG_BIT(0x20, 25), + RST_CAN2 = _REG_BIT(0x20, 26), + RST_PWR = _REG_BIT(0x20, 28), + RST_DAC = _REG_BIT(0x20, 29), + RST_UART7 = _REG_BIT(0x20, 30),/* F2xx, F3xx */ + RST_UART8 = _REG_BIT(0x20, 31),/* F2xx, F3xx */ + + /* 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_SDIO = _REG_BIT(0x24, 11), + RST_SPI1 = _REG_BIT(0x24, 12), + RST_SPI4 = _REG_BIT(0x24, 13),/* F2xx, F3xx */ + 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),/* F2xx, F3xx */ + RST_SPI6 = _REG_BIT(0x24, 21),/* F2xx, F3xx */ +}; + +#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_osc_ready(enum rcc_osc osc); +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_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_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_3v3(const clock_scale_t *clock); + +END_DECLS + +#endif |