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-rw-r--r--libmaple/stm32f2/include/series/rcc.h919
-rw-r--r--libmaple/stm32f2/rcc.c168
-rw-r--r--libmaple/stm32f2/rules.mk2
3 files changed, 1088 insertions, 1 deletions
diff --git a/libmaple/stm32f2/include/series/rcc.h b/libmaple/stm32f2/include/series/rcc.h
new file mode 100644
index 0000000..1557f2d
--- /dev/null
+++ b/libmaple/stm32f2/include/series/rcc.h
@@ -0,0 +1,919 @@
+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2011 LeafLabs, LLC.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *****************************************************************************/
+
+/**
+ * @file libmaple/stm32f2/rcc.h
+ * @brief STM32F2 reset and clock control (RCC) header.
+ */
+
+/*
+ * TODO:
+ *
+ * - Can prescaler enums be merged with F1's into <libmaple/rcc.h>
+ * (perhaps by adding more register bit definitions to F1 header)?
+ */
+
+#ifndef _LIBMAPLE_STM32F2_RCC_H_
+#define _LIBMAPLE_STM32F2_RCC_H_
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#include <libmaple/libmaple.h>
+
+/*
+ * Register map
+ */
+
+/** RCC register map type */
+typedef struct rcc_reg_map {
+ __io uint32 CR; /**< Clock control register */
+ __io uint32 PLLCFGR; /**< PLL configuration register */
+ __io uint32 CFGR; /**< Clock configuration register */
+ __io uint32 CIR; /**< Clock interrupt register */
+ __io uint32 AHB1RSTR; /**< AHB1 peripheral reset register */
+ __io uint32 AHB2RSTR; /**< AHB2 peripheral reset register */
+ __io uint32 AHB3RSTR; /**< AHB3 peripheral reset register */
+ const uint32 RESERVED1; /**< Reserved */
+ __io uint32 APB1RSTR; /**< APB1 peripheral reset register */
+ __io uint32 APB2RSTR; /**< APB2 peripheral reset register */
+ const uint32 RESERVED2; /**< Reserved */
+ const uint32 RESERVED3; /**< Reserved */
+ __io uint32 AHB1ENR; /**< AHB1 peripheral clock enable register */
+ __io uint32 AHB2ENR; /**< AHB2 peripheral clock enable register */
+ __io uint32 AHB3ENR; /**< AHB3 peripheral clock enable register */
+ const uint32 RESERVED4; /**< Reserved */
+ __io uint32 APB1ENR; /**< APB1 peripheral clock enable register */
+ __io uint32 APB2ENR; /**< APB2 peripheral clock enable register */
+ const uint32 RESERVED5; /**< Reserved */
+ const uint32 RESERVED6; /**< Reserved */
+ __io uint32 AHB1LPENR; /**< AHB1 peripheral clock enable in
+ low power mode register */
+ __io uint32 AHB2LPENR; /**< AHB2 peripheral clock enable in
+ low power mode register */
+ __io uint32 AHB3LPENR; /**< AHB3 peripheral clock enable in
+ low power mode register */
+ const uint32 RESERVED7; /**< Reserved */
+ __io uint32 APB1LPENR; /**< APB1 peripheral clock enable in
+ low power mode register */
+ __io uint32 APB2LPENR; /**< APB2 peripheral clock enable in
+ low power mode register */
+ const uint32 RESERVED8; /**< Reserved */
+ const uint32 RESERVED9; /**< Reserved */
+ __io uint32 BDCR; /**< Backup domain control register */
+ __io uint32 CSR; /**< Clock control and status register */
+ const uint32 RESERVED10; /**< Reserved */
+ const uint32 RESERVED11; /**< Reserved */
+ __io uint32 SSCGR; /**< Spread spectrum clock generation
+ register */
+ __io uint32 PLLI2SCFGR; /**< PLLI2S configuration register */
+} rcc_reg_map;
+
+/* RCC register map base pointer */
+#define RCC_BASE ((struct rcc_reg_map*)0x40023800)
+
+/*
+ * Register bit definitions
+ */
+
+/* Clock control register */
+
+#define RCC_CR_PLLI2SRDY_BIT 27
+#define RCC_CR_PLLI2SON_BIT 26
+#define RCC_CR_PLLRDY_BIT 25
+#define RCC_CR_PLLON_BIT 24
+#define RCC_CR_CSSON_BIT 19
+#define RCC_CR_HSEBYP_BIT 18
+#define RCC_CR_HSERDY_BIT 17
+#define RCC_CR_HSEON_BIT 16
+#define RCC_CR_HSIRDY_BIT 1
+#define RCC_CR_HSION_BIT 0
+
+#define RCC_CR_PLLI2SRDY BIT(RCC_CR_PLLI2SRDY_BIT)
+#define RCC_CR_PLLI2SON BIT(RCC_CR_PLLI2SON_BIT)
+#define RCC_CR_PLLRDY BIT(RCC_CR_PLLRDY_BIT)
+#define RCC_CR_PLLON BIT(RCC_CR_PLLON_BIT)
+#define RCC_CR_CSSON BIT(RCC_CR_CSSON_BIT)
+#define RCC_CR_HSEBYP BIT(RCC_CR_HSEBYP_BIT)
+#define RCC_CR_HSERDY BIT(RCC_CR_HSERDY_BIT)
+#define RCC_CR_HSEON BIT(RCC_CR_HSEON_BIT)
+#define RCC_CR_HSICAL (0xFF << 8)
+#define RCC_CR_HSITRIM (0x1F << 3)
+#define RCC_CR_HSIRDY BIT(RCC_CR_HSIRDY_BIT)
+#define RCC_CR_HSION BIT(RCC_CR_HSION_BIT)
+
+/* PLL configuration register */
+
+#define RCC_PLLCFGR_PLLSRC_BIT 22
+
+#define RCC_PLLCFGR_PLLQ (0xF << 24)
+#define RCC_PLLCFGR_PLLSRC BIT(RCC_PLLCFGR_PLLSRC_BIT)
+#define RCC_PLLCFGR_PLLSRC_HSI (0x0 << RCC_PLLCFGR_PLLSRC_BIT)
+#define RCC_PLLCFGR_PLLSRC_HSE (0x1 << RCC_PLLCFGR_PLLSRC_BIT)
+#define RCC_PLLCFGR_PLLP (0x3 << 16)
+#define RCC_PLLCFGR_PLLN (0x1FF << 6)
+#define RCC_PLLCFGR_PLLM 0x1F
+
+/* Clock configuration register */
+
+#define RCC_CFGR_I2SSRC_BIT 23
+
+#define RCC_CFGR_MCO2 (0x3 << 30)
+#define RCC_CFGR_MCO2_SYSCLK (0x0 << 30)
+#define RCC_CFGR_MCO2_PLLI2S (0x1 << 30)
+#define RCC_CFGR_MCO2_HSE (0x2 << 30)
+#define RCC_CFGR_MCO2_PLL (0x3 << 30)
+
+#define RCC_CFGR_MCO2PRE (0x7 << 27)
+#define RCC_CFGR_MCO2PRE_DIV_1 (0x0 << 27)
+#define RCC_CFGR_MCO2PRE_DIV_2 (0x4 << 27)
+#define RCC_CFGR_MCO2PRE_DIV_3 (0x5 << 27)
+#define RCC_CFGR_MCO2PRE_DIV_4 (0x6 << 27)
+#define RCC_CFGR_MCO2PRE_DIV_5 (0x7 << 27)
+
+#define RCC_CFGR_MCO1PRE (0x7 << 24)
+#define RCC_CFGR_MCO1PRE_DIV_1 (0x0 << 24)
+#define RCC_CFGR_MCO1PRE_DIV_2 (0x4 << 24)
+#define RCC_CFGR_MCO1PRE_DIV_3 (0x5 << 24)
+#define RCC_CFGR_MCO1PRE_DIV_4 (0x6 << 24)
+#define RCC_CFGR_MCO1PRE_DIV_5 (0x7 << 24)
+
+#define RCC_CFGR_I2SSRC BIT(RCC_CFGR_I2SSRC_BIT)
+#define RCC_CFGR_I2SSRC_PLLI2S (0 << RCC_CFGR_I2SSRC_BIT)
+#define RCC_CFGR_I2SSRC_I2S_CKIN (1 << RCC_CFGR_I2SSRC_BIT)
+
+#define RCC_CFGR_MCO1 (0x3 << 21)
+#define RCC_CFGR_MCO1_HSI (0x0 << 21)
+#define RCC_CFGR_MCO1_LSE (0x1 << 21)
+#define RCC_CFGR_MCO1_HSE (0x2 << 21)
+#define RCC_CFGR_MCO1_PLL (0x3 << 21)
+
+#define RCC_CFGR_RTCPRE (0x1F << 16)
+
+/* Skipped: all the 0b0xx values meaning "not divided" */
+#define RCC_CFGR_PPRE2 (0x7 << 13)
+#define RCC_CFGR_PPRE2_AHB_DIV_2 (0x4 << 13)
+#define RCC_CFGR_PPRE2_AHB_DIV_4 (0x5 << 13)
+#define RCC_CFGR_PPRE2_AHB_DIV_8 (0x6 << 13)
+#define RCC_CFGR_PPRE2_AHB_DIV_16 (0x7 << 13)
+
+/* Skipped: all the 0b0xx values meaning "not divided" */
+#define RCC_CFGR_PPRE1 (0x7 << 10)
+#define RCC_CFGR_PPRE1_AHB_DIV_2 (0x4 << 10)
+#define RCC_CFGR_PPRE1_AHB_DIV_4 (0x5 << 10)
+#define RCC_CFGR_PPRE1_AHB_DIV_8 (0x6 << 10)
+#define RCC_CFGR_PPRE1_AHB_DIV_16 (0x7 << 10)
+
+/* Skipped: all the 0b0xxx values meaning "not divided" */
+#define RCC_CFGR_HPRE (0xF << 4)
+#define RCC_CFGR_HPRE_SYSCLK_DIV_2 (0x8 << 4)
+#define RCC_CFGR_HPRE_SYSCLK_DIV_4 (0x9 << 4)
+#define RCC_CFGR_HPRE_SYSCLK_DIV_8 (0xA << 4)
+#define RCC_CFGR_HPRE_SYSCLK_DIV_16 (0xB << 4)
+#define RCC_CFGR_HPRE_SYSCLK_DIV_64 (0xC << 4)
+#define RCC_CFGR_HPRE_SYSCLK_DIV_128 (0xD << 4)
+#define RCC_CFGR_HPRE_SYSCLK_DIV_256 (0xE << 4)
+#define RCC_CFGR_HPRE_SYSCLK_DIV_512 (0xF << 4)
+
+#define RCC_CFGR_SWS (0x3 << 2)
+#define RCC_CFGR_SWS_HSI (0x0 << 2)
+#define RCC_CFGR_SWS_HSE (0x1 << 2)
+#define RCC_CFGR_SWS_PLL (0x2 << 2)
+
+#define RCC_CFGR_SW 0x3
+#define RCC_CFGR_SW_HSI 0x0
+#define RCC_CFGR_SW_HSE 0x1
+#define RCC_CFGR_SW_PLL 0x2
+
+/* Clock interrupt register */
+
+#define RCC_CIR_CSSC_BIT 23
+
+#define RCC_CIR_PLLI2SRDYC_BIT 21
+#define RCC_CIR_PLLRDYC_BIT 20
+#define RCC_CIR_HSERDYC_BIT 19
+#define RCC_CIR_HSIRDYC_BIT 18
+#define RCC_CIR_LSERDYC_BIT 17
+#define RCC_CIR_LSIRDYC_BIT 16
+
+#define RCC_CIR_PLLI2SRDYIE_BIT 13
+#define RCC_CIR_PLLRDYIE_BIT 12
+#define RCC_CIR_HSERDYIE_BIT 11
+#define RCC_CIR_HSIRDYIE_BIT 10
+#define RCC_CIR_LSERDYIE_BIT 9
+#define RCC_CIR_LSIRDYIE_BIT 8
+
+#define RCC_CIR_CSSF_BIT 7
+
+#define RCC_CIR_PLLI2SRDYF_BIT 5
+#define RCC_CIR_PLLRDYF_BIT 4
+#define RCC_CIR_HSERDYF_BIT 3
+#define RCC_CIR_HSIRDYF_BIT 2
+#define RCC_CIR_LSERDYF_BIT 1
+#define RCC_CIR_LSIRDYF_BIT 0
+
+#define RCC_CIR_CSSC BIT(RCC_CIR_CSSC_BIT)
+
+#define RCC_CIR_PLLI2SRDYC BIT(RCC_CIR_PLLI2SRDYC_BIT)
+#define RCC_CIR_PLLRDYC BIT(RCC_CIR_PLLRDYC_BIT)
+#define RCC_CIR_HSERDYC BIT(RCC_CIR_HSERDYC_BIT)
+#define RCC_CIR_HSIRDYC BIT(RCC_CIR_HSIRDYC_BIT)
+#define RCC_CIR_LSERDYC BIT(RCC_CIR_LSERDYC_BIT)
+#define RCC_CIR_LSIRDYC BIT(RCC_CIR_LSIRDYC_BIT)
+
+#define RCC_CIR_PLLI2SRDYIE BIT(RCC_CIR_PLLI2SRDYIE_BIT)
+#define RCC_CIR_PLLRDYIE BIT(RCC_CIR_PLLRDYIE_BIT)
+#define RCC_CIR_HSERDYIE BIT(RCC_CIR_HSERDYIE_BIT)
+#define RCC_CIR_HSIRDYIE BIT(RCC_CIR_HSIRDYIE_BIT)
+#define RCC_CIR_LSERDYIE BIT(RCC_CIR_LSERDYIE_BIT)
+#define RCC_CIR_LSIRDYIE BIT(RCC_CIR_LSIRDYIE_BIT)
+
+#define RCC_CIR_CSSF BIT(RCC_CIR_CSSF_BIT)
+
+#define RCC_CIR_PLLI2SRDYF BIT(RCC_CIR_PLLI2SRDYF_BIT)
+#define RCC_CIR_PLLRDYF BIT(RCC_CIR_PLLRDYF_BIT)
+#define RCC_CIR_HSERDYF BIT(RCC_CIR_HSERDYF_BIT)
+#define RCC_CIR_HSIRDYF BIT(RCC_CIR_HSIRDYF_BIT)
+#define RCC_CIR_LSERDYF BIT(RCC_CIR_LSERDYF_BIT)
+#define RCC_CIR_LSIRDYF BIT(RCC_CIR_LSIRDYF_BIT)
+
+/* AHB1 peripheral reset register */
+
+#define RCC_AHB1RSTR_OTGHSRST_BIT 29
+#define RCC_AHB1RSTR_ETHMACRST_BIT 25
+#define RCC_AHB1RSTR_DMA2RST_BIT 22
+#define RCC_AHB1RSTR_DMA1RST_BIT 21
+#define RCC_AHB1RSTR_CRCRST_BIT 12
+#define RCC_AHB1RSTR_GPIOIRST_BIT 8
+#define RCC_AHB1RSTR_GPIOHRST_BIT 7
+#define RCC_AHB1RSTR_GPIOGRST_BIT 6
+#define RCC_AHB1RSTR_GPIOFRST_BIT 5
+#define RCC_AHB1RSTR_GPIOERST_BIT 4
+#define RCC_AHB1RSTR_GPIODRST_BIT 3
+#define RCC_AHB1RSTR_GPIOCRST_BIT 2
+#define RCC_AHB1RSTR_GPIOBRST_BIT 1
+#define RCC_AHB1RSTR_GPIOARST_BIT 0
+
+#define RCC_AHB1RSTR_OTGHSRST BIT(RCC_AHB1RSTR_OTGHSRST_BIT)
+#define RCC_AHB1RSTR_ETHMACRST BIT(RCC_AHB1RSTR_ETHMACRST_BIT)
+#define RCC_AHB1RSTR_DMA2RST BIT(RCC_AHB1RSTR_DMA2RST_BIT)
+#define RCC_AHB1RSTR_DMA1RST BIT(RCC_AHB1RSTR_DMA1RST_BIT)
+#define RCC_AHB1RSTR_CRCRST BIT(RCC_AHB1RSTR_CRCRST_BIT)
+#define RCC_AHB1RSTR_GPIOIRST BIT(RCC_AHB1RSTR_GPIOIRST_BIT)
+#define RCC_AHB1RSTR_GPIOHRST BIT(RCC_AHB1RSTR_GPIOHRST_BIT)
+#define RCC_AHB1RSTR_GPIOGRST BIT(RCC_AHB1RSTR_GPIOGRST_BIT)
+#define RCC_AHB1RSTR_GPIOFRST BIT(RCC_AHB1RSTR_GPIOFRST_BIT)
+#define RCC_AHB1RSTR_GPIOERST BIT(RCC_AHB1RSTR_GPIOERST_BIT)
+#define RCC_AHB1RSTR_GPIODRST BIT(RCC_AHB1RSTR_GPIODRST_BIT)
+#define RCC_AHB1RSTR_GPIOCRST BIT(RCC_AHB1RSTR_GPIOCRST_BIT)
+#define RCC_AHB1RSTR_GPIOBRST BIT(RCC_AHB1RSTR_GPIOBRST_BIT)
+#define RCC_AHB1RSTR_GPIOARST BIT(RCC_AHB1RSTR_GPIOARST_BIT)
+
+/* AHB2 peripheral reset register */
+
+#define RCC_AHB2RSTR_OTGFSRST_BIT 7
+#define RCC_AHB2RSTR_RNGRST_BIT 6
+#define RCC_AHB2RSTR_HASHRST_BIT 5
+#define RCC_AHB2RSTR_CRYPRST_BIT 4
+#define RCC_AHB2RSTR_DCMIRST_BIT 0
+
+#define RCC_AHB2RSTR_OTGFSRST BIT(RCC_AHB2RSTR_OTGFSRST_BIT)
+#define RCC_AHB2RSTR_RNGRST BIT(RCC_AHB2RSTR_RNGRST_BIT)
+#define RCC_AHB2RSTR_HASHRST BIT(RCC_AHB2RSTR_HASHRST_BIT)
+#define RCC_AHB2RSTR_CRYPRST BIT(RCC_AHB2RSTR_CRYPRST_BIT)
+#define RCC_AHB2RSTR_DCMIRST BIT(RCC_AHB2RSTR_DCMIRST_BIT)
+
+/* AHB3 peripheral reset register */
+
+#define RCC_AHB3RSTR_FSMCRST_BIT 0
+
+#define RCC_AHB3RSTR_FSMCRST BIT(RCC_AHB3RSTR_FSMCRST_BIT)
+
+/* APB1 peripheral reset register */
+
+#define RCC_APB1RSTR_DACRST_BIT 29
+#define RCC_APB1RSTR_PWRRST_BIT 28
+#define RCC_APB1RSTR_CAN2RST_BIT 26
+#define RCC_APB1RSTR_CAN1RST_BIT 25
+#define RCC_APB1RSTR_I2C3RST_BIT 23
+#define RCC_APB1RSTR_I2C2RST_BIT 22
+#define RCC_APB1RSTR_I2C1RST_BIT 21
+#define RCC_APB1RSTR_UART5RST_BIT 20
+#define RCC_APB1RSTR_UART4RST_BIT 19
+#define RCC_APB1RSTR_UART3RST_BIT 18
+#define RCC_APB1RSTR_UART2RST_BIT 17
+#define RCC_APB1RSTR_SPI3RST_BIT 15
+#define RCC_APB1RSTR_SPI2RST_BIT 14
+#define RCC_APB1RSTR_WWDGRST_BIT 11
+#define RCC_APB1RSTR_TIM14RST_BIT 8
+#define RCC_APB1RSTR_TIM13RST_BIT 7
+#define RCC_APB1RSTR_TIM12RST_BIT 6
+#define RCC_APB1RSTR_TIM7RST_BIT 5
+#define RCC_APB1RSTR_TIM6RST_BIT 4
+#define RCC_APB1RSTR_TIM5RST_BIT 3
+#define RCC_APB1RSTR_TIM4RST_BIT 2
+#define RCC_APB1RSTR_TIM3RST_BIT 1
+#define RCC_APB1RSTR_TIM2RST_BIT 0
+
+#define RCC_APB1RSTR_DACRST BIT(RCC_APB1RSTR_DACRST_BIT)
+#define RCC_APB1RSTR_PWRRST BIT(RCC_APB1RSTR_PWRRST_BIT)
+#define RCC_APB1RSTR_CAN2RST BIT(RCC_APB1RSTR_CAN2RST_BIT)
+#define RCC_APB1RSTR_CAN1RST BIT(RCC_APB1RSTR_CAN1RST_BIT)
+#define RCC_APB1RSTR_I2C3RST BIT(RCC_APB1RSTR_I2C3RST_BIT)
+#define RCC_APB1RSTR_I2C2RST BIT(RCC_APB1RSTR_I2C2RST_BIT)
+#define RCC_APB1RSTR_I2C1RST BIT(RCC_APB1RSTR_I2C1RST_BIT)
+#define RCC_APB1RSTR_UART5RST BIT(RCC_APB1RSTR_UART5RST_BIT)
+#define RCC_APB1RSTR_UART4RST BIT(RCC_APB1RSTR_UART4RST_BIT)
+#define RCC_APB1RSTR_UART3RST BIT(RCC_APB1RSTR_UART3RST_BIT)
+#define RCC_APB1RSTR_UART2RST BIT(RCC_APB1RSTR_UART2RST_BIT)
+#define RCC_APB1RSTR_SPI3RST BIT(RCC_APB1RSTR_SPI3RST_BIT)
+#define RCC_APB1RSTR_SPI2RST BIT(RCC_APB1RSTR_SPI2RST_BIT)
+#define RCC_APB1RSTR_WWDGRST BIT(RCC_APB1RSTR_WWDGRST_BIT)
+#define RCC_APB1RSTR_TIM14RST BIT(RCC_APB1RSTR_TIM14RST_BIT)
+#define RCC_APB1RSTR_TIM13RST BIT(RCC_APB1RSTR_TIM13RST_BIT)
+#define RCC_APB1RSTR_TIM12RST BIT(RCC_APB1RSTR_TIM12RST_BIT)
+#define RCC_APB1RSTR_TIM7RST BIT(RCC_APB1RSTR_TIM7RST_BIT)
+#define RCC_APB1RSTR_TIM6RST BIT(RCC_APB1RSTR_TIM6RST_BIT)
+#define RCC_APB1RSTR_TIM5RST BIT(RCC_APB1RSTR_TIM5RST_BIT)
+#define RCC_APB1RSTR_TIM4RST BIT(RCC_APB1RSTR_TIM4RST_BIT)
+#define RCC_APB1RSTR_TIM3RST BIT(RCC_APB1RSTR_TIM3RST_BIT)
+#define RCC_APB1RSTR_TIM2RST BIT(RCC_APB1RSTR_TIM2RST_BIT)
+
+/* APB2 peripheral reset register */
+
+#define RCC_APB2RSTR_TIM11RST_BIT 18
+#define RCC_APB2RSTR_TIM10RST_BIT 17
+#define RCC_APB2RSTR_TIM9RST_BIT 16
+#define RCC_APB2RSTR_SYSCFGRST_BIT 14
+#define RCC_APB2RSTR_SPI1RST_BIT 12
+#define RCC_APB2RSTR_SDIORST_BIT 11
+#define RCC_APB2RSTR_ADCRST_BIT 8
+#define RCC_APB2RSTR_USART6RST_BIT 5
+#define RCC_APB2RSTR_USART1RST_BIT 4
+#define RCC_APB2RSTR_TIM8RST_BIT 1
+#define RCC_APB2RSTR_TIM1RST_BIT 0
+
+#define RCC_APB2RSTR_TIM11RST BIT(RCC_APB2RSTR_TIM11RST_BIT)
+#define RCC_APB2RSTR_TIM10RST BIT(RCC_APB2RSTR_TIM10RST_BIT)
+#define RCC_APB2RSTR_TIM9RST BIT(RCC_APB2RSTR_TIM9RST_BIT)
+#define RCC_APB2RSTR_SYSCFGRST BIT(RCC_APB2RSTR_SYSCFGRST_BIT)
+#define RCC_APB2RSTR_SPI1RST BIT(RCC_APB2RSTR_SPI1RST_BIT)
+#define RCC_APB2RSTR_SDIORST BIT(RCC_APB2RSTR_SDIORST_BIT)
+#define RCC_APB2RSTR_ADCRST BIT(RCC_APB2RSTR_ADCRST_BIT)
+#define RCC_APB2RSTR_USART6RST BIT(RCC_APB2RSTR_USART6RST_BIT)
+#define RCC_APB2RSTR_USART1RST BIT(RCC_APB2RSTR_USART1RST_BIT)
+#define RCC_APB2RSTR_TIM8RST BIT(RCC_APB2RSTR_TIM8RST_BIT)
+#define RCC_APB2RSTR_TIM1RST BIT(RCC_APB2RSTR_TIM1RST_BIT)
+
+/* AHB1 peripheral clock enable register */
+
+#define RCC_AHB1ENR_OTGHSULPIEN_BIT 30
+#define RCC_AHB1ENR_OTGHSEN_BIT 29
+#define RCC_AHB1ENR_ETHMACPTPEN_BIT 28
+#define RCC_AHB1ENR_ETHMACRXEN_BIT 27
+#define RCC_AHB1ENR_ETHMACTXEN_BIT 26
+#define RCC_AHB1ENR_ETHMACEN_BIT 25
+#define RCC_AHB1ENR_DMA2EN_BIT 22
+#define RCC_AHB1ENR_DMA1EN_BIT 21
+#define RCC_AHB1ENR_BKPSRAMEN_BIT 18
+#define RCC_AHB1ENR_CRCEN_BIT 12
+#define RCC_AHB1ENR_GPIOIEN_BIT 8
+#define RCC_AHB1ENR_GPIOHEN_BIT 7
+#define RCC_AHB1ENR_GPIOGEN_BIT 6
+#define RCC_AHB1ENR_GPIOFEN_BIT 5
+#define RCC_AHB1ENR_GPIOEEN_BIT 4
+#define RCC_AHB1ENR_GPIODEN_BIT 3
+#define RCC_AHB1ENR_GPIOCEN_BIT 2
+#define RCC_AHB1ENR_GPIOBEN_BIT 1
+#define RCC_AHB1ENR_GPIOAEN_BIT 0
+
+#define RCC_AHB1ENR_OTGHSULPIEN BIT(RCC_AHB1ENR_OTGHSULPIEN_BIT)
+#define RCC_AHB1ENR_OTGHSEN BIT(RCC_AHB1ENR_OTGHSEN_BIT)
+#define RCC_AHB1ENR_ETHMACPTPEN BIT(RCC_AHB1ENR_ETHMACPTPEN_BIT)
+#define RCC_AHB1ENR_ETHMACRXEN BIT(RCC_AHB1ENR_ETHMACRXEN_BIT)
+#define RCC_AHB1ENR_ETHMACTXEN BIT(RCC_AHB1ENR_ETHMACTXEN_BIT)
+#define RCC_AHB1ENR_ETHMACEN BIT(RCC_AHB1ENR_ETHMACEN_BIT)
+#define RCC_AHB1ENR_DMA2EN BIT(RCC_AHB1ENR_DMA2EN_BIT)
+#define RCC_AHB1ENR_DMA1EN BIT(RCC_AHB1ENR_DMA1EN_BIT)
+#define RCC_AHB1ENR_BKPSRAMEN BIT(RCC_AHB1ENR_BKPSRAMEN_BIT)
+#define RCC_AHB1ENR_CRCEN BIT(RCC_AHB1ENR_CRCEN_BIT)
+#define RCC_AHB1ENR_GPIOIEN BIT(RCC_AHB1ENR_GPIOIEN_BIT)
+#define RCC_AHB1ENR_GPIOHEN BIT(RCC_AHB1ENR_GPIOHEN_BIT)
+#define RCC_AHB1ENR_GPIOGEN BIT(RCC_AHB1ENR_GPIOGEN_BIT)
+#define RCC_AHB1ENR_GPIOFEN BIT(RCC_AHB1ENR_GPIOFEN_BIT)
+#define RCC_AHB1ENR_GPIOEEN BIT(RCC_AHB1ENR_GPIOEEN_BIT)
+#define RCC_AHB1ENR_GPIODEN BIT(RCC_AHB1ENR_GPIODEN_BIT)
+#define RCC_AHB1ENR_GPIOCEN BIT(RCC_AHB1ENR_GPIOCEN_BIT)
+#define RCC_AHB1ENR_GPIOBEN BIT(RCC_AHB1ENR_GPIOBEN_BIT)
+#define RCC_AHB1ENR_GPIOAEN BIT(RCC_AHB1ENR_GPIOAEN_BIT)
+
+/* AHB2 peripheral clock enable register */
+
+#define RCC_AHB2ENR_OTGFSEN_BIT 7
+#define RCC_AHB2ENR_RNGEN_BIT 6
+#define RCC_AHB2ENR_HASHEN_BIT 5
+#define RCC_AHB2ENR_CRYPEN_BIT 4
+#define RCC_AHB2ENR_DCMIEN_BIT 0
+
+#define RCC_AHB2ENR_OTGFSEN BIT(RCC_AHB2ENR_OTGFSEN_BIT)
+#define RCC_AHB2ENR_RNGEN BIT(RCC_AHB2ENR_RNGEN_BIT)
+#define RCC_AHB2ENR_HASHEN BIT(RCC_AHB2ENR_HASHEN_BIT)
+#define RCC_AHB2ENR_CRYPEN BIT(RCC_AHB2ENR_CRYPEN_BIT)
+#define RCC_AHB2ENR_DCMIEN BIT(RCC_AHB2ENR_DCMIEN_BIT)
+
+/* AHB3 peripheral clock enable register */
+
+#define RCC_AHB3ENR_FSMCEN_BIT 0
+
+#define RCC_AHB3ENR_FSMCEN BIT(RCC_AHB3ENR_FSMCEN_BIT)
+
+/* APB1 peripheral clock enable register */
+
+#define RCC_APB1ENR_DACEN_BIT 29
+#define RCC_APB1ENR_PWREN_BIT 28
+#define RCC_APB1ENR_CAN2EN_BIT 26
+#define RCC_APB1ENR_CAN1EN_BIT 25
+#define RCC_APB1ENR_I2C3EN_BIT 23
+#define RCC_APB1ENR_I2C2EN_BIT 22
+#define RCC_APB1ENR_I2C1EN_BIT 21
+#define RCC_APB1ENR_UART5EN_BIT 20
+#define RCC_APB1ENR_UART4EN_BIT 19
+#define RCC_APB1ENR_USART3EN_BIT 18
+#define RCC_APB1ENR_USART2EN_BIT 17
+#define RCC_APB1ENR_SPI3EN_BIT 15
+#define RCC_APB1ENR_SPI2EN_BIT 14
+#define RCC_APB1ENR_WWDGEN_BIT 11
+#define RCC_APB1ENR_TIM14EN_BIT 8
+#define RCC_APB1ENR_TIM13EN_BIT 7
+#define RCC_APB1ENR_TIM12EN_BIT 6
+#define RCC_APB1ENR_TIM7EN_BIT 5
+#define RCC_APB1ENR_TIM6EN_BIT 4
+#define RCC_APB1ENR_TIM5EN_BIT 3
+#define RCC_APB1ENR_TIM4EN_BIT 2
+#define RCC_APB1ENR_TIM3EN_BIT 1
+#define RCC_APB1ENR_TIM2EN_BIT 0
+
+#define RCC_APB1ENR_DACEN BIT(RCC_APB1ENR_DACEN_BIT)
+#define RCC_APB1ENR_PWREN BIT(RCC_APB1ENR_PWREN_BIT)
+#define RCC_APB1ENR_CAN2EN BIT(RCC_APB1ENR_CAN2EN_BIT)
+#define RCC_APB1ENR_CAN1EN BIT(RCC_APB1ENR_CAN1EN_BIT)
+#define RCC_APB1ENR_I2C3EN BIT(RCC_APB1ENR_I2C3EN_BIT)
+#define RCC_APB1ENR_I2C2EN BIT(RCC_APB1ENR_I2C2EN_BIT)
+#define RCC_APB1ENR_I2C1EN BIT(RCC_APB1ENR_I2C1EN_BIT)
+#define RCC_APB1ENR_UART5EN BIT(RCC_APB1ENR_UART5EN_BIT)
+#define RCC_APB1ENR_UART4EN BIT(RCC_APB1ENR_UART4EN_BIT)
+#define RCC_APB1ENR_USART3EN BIT(RCC_APB1ENR_USART3EN_BIT)
+#define RCC_APB1ENR_USART2EN BIT(RCC_APB1ENR_USART2EN_BIT)
+#define RCC_APB1ENR_SPI3EN BIT(RCC_APB1ENR_SPI3EN_BIT)
+#define RCC_APB1ENR_SPI2EN BIT(RCC_APB1ENR_SPI2EN_BIT)
+#define RCC_APB1ENR_WWDGEN BIT(RCC_APB1ENR_WWDGEN_BIT)
+#define RCC_APB1ENR_TIM14EN BIT(RCC_APB1ENR_TIM14EN_BIT)
+#define RCC_APB1ENR_TIM13EN BIT(RCC_APB1ENR_TIM13EN_BIT)
+#define RCC_APB1ENR_TIM12EN BIT(RCC_APB1ENR_TIM12EN_BIT)
+#define RCC_APB1ENR_TIM7EN BIT(RCC_APB1ENR_TIM7EN_BIT)
+#define RCC_APB1ENR_TIM6EN BIT(RCC_APB1ENR_TIM6EN_BIT)
+#define RCC_APB1ENR_TIM5EN BIT(RCC_APB1ENR_TIM5EN_BIT)
+#define RCC_APB1ENR_TIM4EN BIT(RCC_APB1ENR_TIM4EN_BIT)
+#define RCC_APB1ENR_TIM3EN BIT(RCC_APB1ENR_TIM3EN_BIT)
+#define RCC_APB1ENR_TIM2EN BIT(RCC_APB1ENR_TIM2EN_BIT)
+
+/* APB2 peripheral clock enable register */
+
+#define RCC_APB2ENR_TIM11EN_BIT 18
+#define RCC_APB2ENR_TIM10EN_BIT 17
+#define RCC_APB2ENR_TIM9EN_BIT 16
+#define RCC_APB2ENR_SYSCFGEN_BIT 14
+#define RCC_APB2ENR_SPI1EN_BIT 12
+#define RCC_APB2ENR_SDIOEN_BIT 11
+#define RCC_APB2ENR_ADC3EN_BIT 10
+#define RCC_APB2ENR_ADC2EN_BIT 9
+#define RCC_APB2ENR_ADC1EN_BIT 8
+#define RCC_APB2ENR_USART6EN_BIT 5
+#define RCC_APB2ENR_USART1EN_BIT 4
+#define RCC_APB2ENR_TIM8EN_BIT 1
+#define RCC_APB2ENR_TIM1EN_BIT 0
+
+#define RCC_APB2ENR_TIM11EN BIT(RCC_APB2ENR_TIM11EN_BIT)
+#define RCC_APB2ENR_TIM10EN BIT(RCC_APB2ENR_TIM10EN_BIT)
+#define RCC_APB2ENR_TIM9EN BIT(RCC_APB2ENR_TIM9EN_BIT)
+#define RCC_APB2ENR_SYSCFGEN BIT(RCC_APB2ENR_SYSCFGEN_BIT)
+#define RCC_APB2ENR_SPI1EN BIT(RCC_APB2ENR_SPI1EN_BIT)
+#define RCC_APB2ENR_SDIOEN BIT(RCC_APB2ENR_SDIOEN_BIT)
+#define RCC_APB2ENR_ADC3EN BIT(RCC_APB2ENR_ADC3EN_BIT)
+#define RCC_APB2ENR_ADC2EN BIT(RCC_APB2ENR_ADC2EN_BIT)
+#define RCC_APB2ENR_ADC1EN BIT(RCC_APB2ENR_ADC1EN_BIT)
+#define RCC_APB2ENR_USART6EN BIT(RCC_APB2ENR_USART6EN_BIT)
+#define RCC_APB2ENR_USART1EN BIT(RCC_APB2ENR_USART1EN_BIT)
+#define RCC_APB2ENR_TIM8EN BIT(RCC_APB2ENR_TIM8EN_BIT)
+#define RCC_APB2ENR_TIM1EN BIT(RCC_APB2ENR_TIM1EN_BIT)
+
+/* AHB1 peripheral clock enable in low power mode register */
+
+#define RCC_AHB1LPENR_OTGHSULPILPEN_BIT 30
+#define RCC_AHB1LPENR_OTGHSLPEN_BIT 29
+#define RCC_AHB1LPENR_ETHMACPTPLPEN_BIT 28
+#define RCC_AHB1LPENR_ETHMACRXLPEN_BIT 27
+#define RCC_AHB1LPENR_ETHMACTXLPEN_BIT 26
+#define RCC_AHB1LPENR_ETHMACLPEN_BIT 25
+#define RCC_AHB1LPENR_DMA2LPEN_BIT 22
+#define RCC_AHB1LPENR_DMA1LPEN_BIT 21
+#define RCC_AHB1LPENR_BKPSRAMLPEN_BIT 18
+#define RCC_AHB1LPENR_SRAM2LPEN_BIT 17
+#define RCC_AHB1LPENR_SRAM1LPEN_BIT 16
+#define RCC_AHB1LPENR_FLITFLPEN_BIT 15
+#define RCC_AHB1LPENR_CRCLPEN_BIT 12
+#define RCC_AHB1LPENR_GPIOILPEN_BIT 8
+#define RCC_AHB1LPENR_GPIOGLPEN_BIT 6
+#define RCC_AHB1LPENR_GPIOFLPEN_BIT 5
+#define RCC_AHB1LPENR_GPIOELPEN_BIT 4
+#define RCC_AHB1LPENR_GPIODLPEN_BIT 3
+#define RCC_AHB1LPENR_GPIOCLPEN_BIT 2
+#define RCC_AHB1LPENR_GPIOBLPEN_BIT 1
+#define RCC_AHB1LPENR_GPIOALPEN_BIT 0
+
+#define RCC_AHB1LPENR_OTGHSULPILPEN BIT(RCC_AHB1LPENR_OTGHSULPILPEN_BIT)
+#define RCC_AHB1LPENR_OTGHSLPEN BIT(RCC_AHB1LPENR_OTGHSLPEN_BIT)
+#define RCC_AHB1LPENR_ETHMACPTPLPEN BIT(RCC_AHB1LPENR_ETHMACPTPLPEN_BIT)
+#define RCC_AHB1LPENR_ETHMACRXLPEN BIT(RCC_AHB1LPENR_ETHMACRXLPEN_BIT)
+#define RCC_AHB1LPENR_ETHMACTXLPEN BIT(RCC_AHB1LPENR_ETHMACTXLPEN_BIT)
+#define RCC_AHB1LPENR_ETHMACLPEN BIT(RCC_AHB1LPENR_ETHMACLPEN_BIT)
+#define RCC_AHB1LPENR_DMA2LPEN BIT(RCC_AHB1LPENR_DMA2LPEN_BIT)
+#define RCC_AHB1LPENR_DMA1LPEN BIT(RCC_AHB1LPENR_DMA1LPEN_BIT)
+#define RCC_AHB1LPENR_BKPSRAMLPEN BIT(RCC_AHB1LPENR_BKPSRAMLPEN_BIT)
+#define RCC_AHB1LPENR_SRAM2LPEN BIT(RCC_AHB1LPENR_SRAM2LPEN_BIT)
+#define RCC_AHB1LPENR_SRAM1LPEN BIT(RCC_AHB1LPENR_SRAM1LPEN_BIT)
+#define RCC_AHB1LPENR_FLITFLPEN BIT(RCC_AHB1LPENR_FLITFLPEN_BIT)
+#define RCC_AHB1LPENR_CRCLPEN BIT(RCC_AHB1LPENR_CRCLPEN_BIT)
+#define RCC_AHB1LPENR_GPIOILPEN BIT(RCC_AHB1LPENR_GPIOILPEN_BIT)
+#define RCC_AHB1LPENR_GPIOGLPEN BIT(RCC_AHB1LPENR_GPIOGLPEN_BIT)
+#define RCC_AHB1LPENR_GPIOFLPEN BIT(RCC_AHB1LPENR_GPIOFLPEN_BIT)
+#define RCC_AHB1LPENR_GPIOELPEN BIT(RCC_AHB1LPENR_GPIOELPEN_BIT)
+#define RCC_AHB1LPENR_GPIODLPEN BIT(RCC_AHB1LPENR_GPIODLPEN_BIT)
+#define RCC_AHB1LPENR_GPIOCLPEN BIT(RCC_AHB1LPENR_GPIOCLPEN_BIT)
+#define RCC_AHB1LPENR_GPIOBLPEN BIT(RCC_AHB1LPENR_GPIOBLPEN_BIT)
+#define RCC_AHB1LPENR_GPIOALPEN BIT(RCC_AHB1LPENR_GPIOALPEN_BIT)
+
+/* AHB2 peripheral clock enable in low power mode register */
+
+#define RCC_AHB2LPENR_OTGFSLPEN_BIT 7
+#define RCC_AHB2LPENR_RNGLPEN_BIT 6
+#define RCC_AHB2LPENR_HASHLPEN_BIT 5
+#define RCC_AHB2LPENR_CRYPLPEN_BIT 4
+#define RCC_AHB2LPENR_DCMILPEN_BIT 0
+
+#define RCC_AHB2LPENR_OTGFSLPEN BIT(RCC_AHB2LPENR_OTGFSLPEN_BIT)
+#define RCC_AHB2LPENR_RNGLPEN BIT(RCC_AHB2LPENR_RNGLPEN_BIT)
+#define RCC_AHB2LPENR_HASHLPEN BIT(RCC_AHB2LPENR_HASHLPEN_BIT)
+#define RCC_AHB2LPENR_CRYPLPEN BIT(RCC_AHB2LPENR_CRYPLPEN_BIT)
+#define RCC_AHB2LPENR_DCMILPEN BIT(RCC_AHB2LPENR_DCMILPEN_BIT)
+
+/* AHB3 peripheral clock enable in low power mode register */
+
+#define RCC_AHB3LPENR_FSMCLPEN_BIT 0
+
+#define RCC_AHB3LPENR_FSMCLPEN BIT(RCC_AHB3LPENR_FSMCLPEN_BIT)
+
+/* APB1 peripheral clock enable in low power mode register */
+
+#define RCC_APB1LPENR_DACLPEN_BIT 29
+#define RCC_APB1LPENR_PWRLPEN_BIT 28
+#define RCC_APB1LPENR_CAN2LPEN_BIT 26
+#define RCC_APB1LPENR_CAN1LPEN_BIT 25
+#define RCC_APB1LPENR_I2C3LPEN_BIT 23
+#define RCC_APB1LPENR_I2C2LPEN_BIT 22
+#define RCC_APB1LPENR_I2C1LPEN_BIT 21
+#define RCC_APB1LPENR_UART5LPEN_BIT 20
+#define RCC_APB1LPENR_UART4LPEN_BIT 19
+#define RCC_APB1LPENR_USART3LPEN_BIT 18
+#define RCC_APB1LPENR_USART2LPEN_BIT 17
+#define RCC_APB1LPENR_SPI3LPEN_BIT 15
+#define RCC_APB1LPENR_SPI2LPEN_BIT 14
+#define RCC_APB1LPENR_WWDGLPEN_BIT 11
+#define RCC_APB1LPENR_TIM14LPEN_BIT 8
+#define RCC_APB1LPENR_TIM13LPEN_BIT 7
+#define RCC_APB1LPENR_TIM12LPEN_BIT 6
+#define RCC_APB1LPENR_TIM7LPEN_BIT 5
+#define RCC_APB1LPENR_TIM6LPEN_BIT 4
+#define RCC_APB1LPENR_TIM5LPEN_BIT 3
+#define RCC_APB1LPENR_TIM4LPEN_BIT 2
+#define RCC_APB1LPENR_TIM3LPEN_BIT 1
+#define RCC_APB1LPENR_TIM2LPEN_BIT 0
+
+#define RCC_APB1LPENR_DACLPEN BIT(RCC_APB1LPENR_DACLPEN_BIT)
+#define RCC_APB1LPENR_PWRLPEN BIT(RCC_APB1LPENR_PWRLPEN_BIT)
+#define RCC_APB1LPENR_CAN2LPEN BIT(RCC_APB1LPENR_CAN2LPEN_BIT)
+#define RCC_APB1LPENR_CAN1LPEN BIT(RCC_APB1LPENR_CAN1LPEN_BIT)
+#define RCC_APB1LPENR_I2C3LPEN BIT(RCC_APB1LPENR_I2C3LPEN_BIT)
+#define RCC_APB1LPENR_I2C2LPEN BIT(RCC_APB1LPENR_I2C2LPEN_BIT)
+#define RCC_APB1LPENR_I2C1LPEN BIT(RCC_APB1LPENR_I2C1LPEN_BIT)
+#define RCC_APB1LPENR_UART5LPEN BIT(RCC_APB1LPENR_UART5LPEN_BIT)
+#define RCC_APB1LPENR_UART4LPEN BIT(RCC_APB1LPENR_UART4LPEN_BIT)
+#define RCC_APB1LPENR_USART3LPEN BIT(RCC_APB1LPENR_USART3LPEN_BIT)
+#define RCC_APB1LPENR_USART2LPEN BIT(RCC_APB1LPENR_USART2LPEN_BIT)
+#define RCC_APB1LPENR_SPI3LPEN BIT(RCC_APB1LPENR_SPI3LPEN_BIT)
+#define RCC_APB1LPENR_SPI2LPEN BIT(RCC_APB1LPENR_SPI2LPEN_BIT)
+#define RCC_APB1LPENR_WWDGLPEN BIT(RCC_APB1LPENR_WWDGLPEN_BIT)
+#define RCC_APB1LPENR_TIM14LPEN BIT(RCC_APB1LPENR_TIM14LPEN_BIT)
+#define RCC_APB1LPENR_TIM13LPEN BIT(RCC_APB1LPENR_TIM13LPEN_BIT)
+#define RCC_APB1LPENR_TIM12LPEN BIT(RCC_APB1LPENR_TIM12LPEN_BIT)
+#define RCC_APB1LPENR_TIM7LPEN BIT(RCC_APB1LPENR_TIM7LPEN_BIT)
+#define RCC_APB1LPENR_TIM6LPEN BIT(RCC_APB1LPENR_TIM6LPEN_BIT)
+#define RCC_APB1LPENR_TIM5LPEN BIT(RCC_APB1LPENR_TIM5LPEN_BIT)
+#define RCC_APB1LPENR_TIM4LPEN BIT(RCC_APB1LPENR_TIM4LPEN_BIT)
+#define RCC_APB1LPENR_TIM3LPEN BIT(RCC_APB1LPENR_TIM3LPEN_BIT)
+#define RCC_APB1LPENR_TIM2LPEN BIT(RCC_APB1LPENR_TIM2LPEN_BIT)
+
+/* APB2 peripheral clock enable in low power mode register */
+
+#define RCC_APB2LPENR_TIM11LPEN_BIT 18
+#define RCC_APB2LPENR_TIM10LPEN_BIT 17
+#define RCC_APB2LPENR_TIM9LPEN_BIT 16
+#define RCC_APB2LPENR_SYSCFGLPEN_BIT 14
+#define RCC_APB2LPENR_SPI1LPEN_BIT 12
+#define RCC_APB2LPENR_SDIOLPEN_BIT 11
+#define RCC_APB2LPENR_ADC3LPEN_BIT 10
+#define RCC_APB2LPENR_ADC2LPEN_BIT 9
+#define RCC_APB2LPENR_ADC1LPEN_BIT 8
+#define RCC_APB2LPENR_USART6LPEN_BIT 5
+#define RCC_APB2LPENR_USART1LPEN_BIT 4
+#define RCC_APB2LPENR_TIM8LPEN_BIT 1
+#define RCC_APB2LPENR_TIM1LPEN_BIT 0
+
+#define RCC_APB2LPENR_TIM11LPEN BIT(RCC_APB2LPENR_TIM11LPEN_BIT)
+#define RCC_APB2LPENR_TIM10LPEN BIT(RCC_APB2LPENR_TIM10LPEN_BIT)
+#define RCC_APB2LPENR_TIM9LPEN BIT(RCC_APB2LPENR_TIM9LPEN_BIT)
+#define RCC_APB2LPENR_SYSCFGLPEN BIT(RCC_APB2LPENR_SYSCFGLPEN_BIT)
+#define RCC_APB2LPENR_SPI1LPEN BIT(RCC_APB2LPENR_SPI1LPEN_BIT)
+#define RCC_APB2LPENR_SDIOLPEN BIT(RCC_APB2LPENR_SDIOLPEN_BIT)
+#define RCC_APB2LPENR_ADC3LPEN BIT(RCC_APB2LPENR_ADC3LPEN_BIT)
+#define RCC_APB2LPENR_ADC2LPEN BIT(RCC_APB2LPENR_ADC2LPEN_BIT)
+#define RCC_APB2LPENR_ADC1LPEN BIT(RCC_APB2LPENR_ADC1LPEN_BIT)
+#define RCC_APB2LPENR_USART6LPEN BIT(RCC_APB2LPENR_USART6LPEN_BIT)
+#define RCC_APB2LPENR_USART1LPEN BIT(RCC_APB2LPENR_USART1LPEN_BIT)
+#define RCC_APB2LPENR_TIM8LPEN BIT(RCC_APB2LPENR_TIM8LPEN_BIT)
+#define RCC_APB2LPENR_TIM1LPEN BIT(RCC_APB2LPENR_TIM1LPEN_BIT)
+
+/* Backup domain control register */
+
+#define RCC_BDCR_BDRST_BIT 16
+#define RCC_BDCR_RTCEN_BIT 15
+#define RCC_BDCR_LSEBYP_BIT 2
+#define RCC_BDCR_LSERDY_BIT 1
+#define RCC_BDCR_LSEON_BIT 0
+
+#define RCC_BDCR_BDRST BIT(RCC_BDCR_BDRST_BIT)
+#define RCC_BDCR_RTCEN BIT(RCC_BDCR_RTCEN_BIT)
+#define RCC_BDCR_RTCSEL (0x3 << 8)
+#define RCC_BDCR_RTCSEL_NOCLOCK (0x0 << 8)
+#define RCC_BDCR_RTCSEL_LSE (0x1 << 8)
+#define RCC_BDCR_RTCSEL_LSI (0x2 << 8)
+#define RCC_BDCR_RTCSEL_HSE_DIV (0x3 << 8)
+#define RCC_BDCR_LSEBYP BIT(RCC_BDCR_LSEBYP_BIT)
+#define RCC_BDCR_LSERDY BIT(RCC_BDCR_LSERDY_BIT)
+#define RCC_BDCR_LSEON BIT(RCC_BDCR_LSEON_BIT)
+
+/* Clock control and status register */
+
+#define RCC_CSR_LPWRRSTF_BIT 31
+#define RCC_CSR_WWDGRSTF_BIT 30
+#define RCC_CSR_IWDGRSTF_BIT 29
+#define RCC_CSR_SFTRSTF_BIT 28
+#define RCC_CSR_PORRSTF_BIT 27
+#define RCC_CSR_PINRSTF_BIT 26
+#define RCC_CSR_BORRSTF_BIT 25
+#define RCC_CSR_RMVF_BIT 24
+#define RCC_CSR_LSIRDY_BIT 1
+#define RCC_CSR_LSION_BIT 0
+
+#define RCC_CSR_LPWRRSTF BIT(RCC_CSR_LPWRRSTF_BIT)
+#define RCC_CSR_WWDGRSTF BIT(RCC_CSR_WWDGRSTF_BIT)
+#define RCC_CSR_IWDGRSTF BIT(RCC_CSR_IWDGRSTF_BIT)
+#define RCC_CSR_SFTRSTF BIT(RCC_CSR_SFTRSTF_BIT)
+#define RCC_CSR_PORRSTF BIT(RCC_CSR_PORRSTF_BIT)
+#define RCC_CSR_PINRSTF BIT(RCC_CSR_PINRSTF_BIT)
+#define RCC_CSR_BORRSTF BIT(RCC_CSR_BORRSTF_BIT)
+#define RCC_CSR_RMVF BIT(RCC_CSR_RMVF_BIT)
+#define RCC_CSR_LSIRDY BIT(RCC_CSR_LSIRDY_BIT)
+#define RCC_CSR_LSION BIT(RCC_CSR_LSION_BIT)
+
+/* Spread spectrum clock generation register */
+
+
+#define RCC_SSCGR_SSCGEN_BIT 31
+#define RCC_SSCGR_SPREADSEL_BIT 30
+
+#define RCC_SSCGR_SSCGEN BIT(RCC_SSCGR_SSCGEN_BIT)
+#define RCC_SSCGR_SPREADSEL BIT(RCC_SSCGR_SPREADSEL_BIT)
+#define RCC_SSCGR_SPREADSEL_CENTER (0x0 << RCC_SSCGR_SPREADSEL_BIT)
+#define RCC_SSCGR_SPREADSEL_DOWN (0x1 << RCC_SSCGR_SPREADSEL_BIT)
+#define RCC_SSCGR_INCSTEP (0xFFF << 16)
+#define RCC_SSCGR_MODPER 0xFFFF
+
+/* PLLI2S configuration register */
+
+#define RCC_PLLI2SCFGR_PLLI2SR (0x7 << 28)
+#define RCC_PLLI2SCFGR_PLLI2SN (0x1FF << 6)
+
+/*
+ * Other types
+ */
+
+/**
+ * @brief Identifies bus and clock line for a peripheral or peripheral
+ * clock.
+ */
+typedef enum rcc_clk_id {
+ RCC_OTGHSULPI,
+ RCC_OTGHS,
+ RCC_ETHMACPTP,
+ RCC_ETHMACRX,
+ RCC_ETHMACTX,
+ RCC_ETHMAC,
+ RCC_DMA2,
+ RCC_DMA1,
+ RCC_BKPSRAM,
+ RCC_CRC,
+ RCC_GPIOI,
+ RCC_GPIOH,
+ RCC_GPIOG,
+ RCC_GPIOF,
+ RCC_GPIOE,
+ RCC_GPIOD,
+ RCC_GPIOC,
+ RCC_GPIOB,
+ RCC_GPIOA,
+ RCC_OTGFS,
+ RCC_RNG,
+ RCC_HASH,
+ RCC_CRYP,
+ RCC_DCMI,
+ RCC_FSMC,
+ RCC_DAC,
+ RCC_PWR,
+ RCC_CAN2,
+ RCC_CAN1,
+ RCC_I2C3,
+ RCC_I2C2,
+ RCC_I2C1,
+ RCC_UART5,
+ RCC_UART4,
+ RCC_USART3,
+ RCC_USART2,
+ RCC_SPI3,
+ RCC_SPI2,
+ RCC_WWDG,
+ RCC_TIM14,
+ RCC_TIM13,
+ RCC_TIM12,
+ RCC_TIM7,
+ RCC_TIM6,
+ RCC_TIM5,
+ RCC_TIM4,
+ RCC_TIM3,
+ RCC_TIM2,
+ RCC_TIM11,
+ RCC_TIM10,
+ RCC_TIM9,
+ RCC_SYSCFG,
+ RCC_SPI1,
+ RCC_SDIO,
+ RCC_ADC3,
+ RCC_ADC2,
+ RCC_ADC1,
+ RCC_USART6,
+ RCC_USART1,
+ RCC_TIM8,
+ RCC_TIM1,
+} rcc_clk_id;
+
+/**
+ * @brief PLL entry clock source
+ * @see rcc_clk_init()
+ */
+typedef enum rcc_pllsrc {
+ RCC_PLLSRC_HSI = 0,
+ RCC_PLLSRC_HSE = RCC_PLLCFGR_PLLSRC,
+} rcc_pllsrc;
+
+typedef enum rcc_pll_multiplier { /* TODO -- does this make sense anymore? */
+ RCC_PLLMUL_XXX,
+} rcc_pll_multiplier;
+
+/**
+ * @brief Peripheral clock domains.
+ */
+typedef enum rcc_clk_domain {
+ RCC_APB1,
+ RCC_APB2,
+ RCC_AHB1,
+ RCC_AHB2,
+ RCC_AHB3,
+} rcc_clk_domain;
+
+/**
+ * @brief Prescaler identifiers.
+ */
+typedef enum rcc_prescaler {
+ RCC_PRESCALER_MCO2,
+ RCC_PRESCALER_MCO1,
+ RCC_PRESCALER_RTC,
+ RCC_PRESCALER_APB2,
+ RCC_PRESCALER_APB1,
+ RCC_PRESCALER_AHB
+} rcc_prescaler;
+
+/**
+ * @brief MCO2 prescaler dividers.
+ */
+typedef enum rcc_mco2_divider {
+ RCC_MCO2_DIV_1 = RCC_CFGR_MCO2PRE_DIV_1,
+ RCC_MCO2_DIV_2 = RCC_CFGR_MCO2PRE_DIV_2,
+ RCC_MCO2_DIV_3 = RCC_CFGR_MCO2PRE_DIV_3,
+ RCC_MCO2_DIV_4 = RCC_CFGR_MCO2PRE_DIV_4,
+ RCC_MCO2_DIV_5 = RCC_CFGR_MCO2PRE_DIV_5,
+} rcc_mco2_divider;
+
+/**
+ * @brief MCO1 prescaler dividers.
+ */
+typedef enum rcc_mco1_divider {
+ RCC_MCO1_DIV_1 = RCC_CFGR_MCO1PRE_DIV_1,
+ RCC_MCO1_DIV_2 = RCC_CFGR_MCO1PRE_DIV_2,
+ RCC_MCO1_DIV_3 = RCC_CFGR_MCO1PRE_DIV_3,
+ RCC_MCO1_DIV_4 = RCC_CFGR_MCO1PRE_DIV_4,
+ RCC_MCO1_DIV_5 = RCC_CFGR_MCO1PRE_DIV_5,
+} rcc_mco1_divider;
+
+/**
+ * @brief RTC prescaler dividers.
+ */
+typedef enum rcc_rtc_divider { /* TODO */
+ RCC_RTC_DIV_TODO = 0xFFFFFFFF,
+} rcc_rtc_divider;
+
+/**
+ * @brief AP2 prescaler dividers.
+ */
+typedef enum rcc_apb2_divider {
+ RCC_APB2_HCLK_DIV_1 = 0,
+ RCC_APB2_HCLK_DIV_2 = RCC_CFGR_PPRE2_AHB_DIV_2,
+ RCC_APB2_HCLK_DIV_4 = RCC_CFGR_PPRE2_AHB_DIV_4,
+ RCC_APB2_HCLK_DIV_8 = RCC_CFGR_PPRE2_AHB_DIV_8,
+ RCC_APB2_HCLK_DIV_16 = RCC_CFGR_PPRE2_AHB_DIV_16,
+} rcc_apb2_divider;
+
+/**
+ * @brief AP1 prescaler dividers.
+ */
+typedef enum rcc_apb1_divider {
+ RCC_APB1_HCLK_DIV_1 = 0,
+ RCC_APB1_HCLK_DIV_2 = RCC_CFGR_PPRE1_AHB_DIV_2,
+ RCC_APB1_HCLK_DIV_4 = RCC_CFGR_PPRE1_AHB_DIV_4,
+ RCC_APB1_HCLK_DIV_8 = RCC_CFGR_PPRE1_AHB_DIV_8,
+ RCC_APB1_HCLK_DIV_16 = RCC_CFGR_PPRE1_AHB_DIV_16,
+} rcc_apb1_divider;
+
+/**
+ * @brief AHB prescaler dividers.
+ */
+typedef enum rcc_ahb_divider {
+ RCC_AHB_SYSCLK_DIV_1 = 0,
+ RCC_AHB_SYSCLK_DIV_2 = RCC_CFGR_HPRE_SYSCLK_DIV_2,
+ RCC_AHB_SYSCLK_DIV_4 = RCC_CFGR_HPRE_SYSCLK_DIV_4,
+ RCC_AHB_SYSCLK_DIV_8 = RCC_CFGR_HPRE_SYSCLK_DIV_8,
+ RCC_AHB_SYSCLK_DIV_16 = RCC_CFGR_HPRE_SYSCLK_DIV_16,
+ RCC_AHB_SYSCLK_DIV_64 = RCC_CFGR_HPRE_SYSCLK_DIV_64,
+ RCC_AHB_SYSCLK_DIV_128 = RCC_CFGR_HPRE_SYSCLK_DIV_128,
+ RCC_AHB_SYSCLK_DIV_256 = RCC_CFGR_HPRE_SYSCLK_DIV_256,
+ RCC_AHB_SYSCLK_DIV_512 = RCC_CFGR_HPRE_SYSCLK_DIV_512,
+} rcc_ahb_divider;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libmaple/stm32f2/rcc.c b/libmaple/stm32f2/rcc.c
new file mode 100644
index 0000000..268a9b1
--- /dev/null
+++ b/libmaple/stm32f2/rcc.c
@@ -0,0 +1,168 @@
+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2011 LeafLabs, LLC.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *****************************************************************************/
+
+/**
+ * @file libmaple/stm32f2/rcc.c
+ * @brief STM32F2 RCC routines.
+ */
+
+#include <libmaple/rcc.h>
+#include <libmaple/libmaple.h>
+
+#include "rcc_private.h"
+
+#define DEV_ENTRY(domain, dev) \
+ {.clk_domain = RCC_##domain, .line_num = RCC_##domain##ENR_##dev##EN_BIT}
+
+const struct rcc_dev_info rcc_dev_table[] = {
+ /* AHB1 */
+ [RCC_OTGHSULPI] = DEV_ENTRY(AHB1, OTGHSULPI),
+ [RCC_OTGHS] = DEV_ENTRY(AHB1, OTGHS),
+ [RCC_ETHMACPTP] = DEV_ENTRY(AHB1, ETHMACPTP),
+ [RCC_ETHMACRX] = DEV_ENTRY(AHB1, ETHMACRX),
+ [RCC_ETHMACTX] = DEV_ENTRY(AHB1, ETHMACTX),
+ [RCC_ETHMAC] = DEV_ENTRY(AHB1, ETHMAC),
+ [RCC_DMA2] = DEV_ENTRY(AHB1, DMA2),
+ [RCC_DMA1] = DEV_ENTRY(AHB1, DMA1),
+ [RCC_BKPSRAM] = DEV_ENTRY(AHB1, BKPSRAM),
+ [RCC_CRC] = DEV_ENTRY(AHB1, CRC),
+ [RCC_GPIOI] = DEV_ENTRY(AHB1, GPIOI),
+ [RCC_GPIOH] = DEV_ENTRY(AHB1, GPIOH),
+ [RCC_GPIOG] = DEV_ENTRY(AHB1, GPIOG),
+ [RCC_GPIOF] = DEV_ENTRY(AHB1, GPIOF),
+ [RCC_GPIOE] = DEV_ENTRY(AHB1, GPIOE),
+ [RCC_GPIOD] = DEV_ENTRY(AHB1, GPIOD),
+ [RCC_GPIOC] = DEV_ENTRY(AHB1, GPIOC),
+ [RCC_GPIOB] = DEV_ENTRY(AHB1, GPIOB),
+ [RCC_GPIOA] = DEV_ENTRY(AHB1, GPIOA),
+
+ /* AHB2 */
+ [RCC_OTGFS] = DEV_ENTRY(AHB2, OTGFS),
+ [RCC_RNG] = DEV_ENTRY(AHB2, RNG),
+ [RCC_HASH] = DEV_ENTRY(AHB2, HASH),
+ [RCC_CRYP] = DEV_ENTRY(AHB2, CRYP),
+ [RCC_DCMI] = DEV_ENTRY(AHB2, DCMI),
+
+ /* AHB3 */
+ [RCC_FSMC] = DEV_ENTRY(AHB3, FSMC),
+
+ /* APB1 */
+ [RCC_DAC] = DEV_ENTRY(APB1, DAC),
+ [RCC_PWR] = DEV_ENTRY(APB1, PWR),
+ [RCC_CAN2] = DEV_ENTRY(APB1, CAN2),
+ [RCC_CAN1] = DEV_ENTRY(APB1, CAN1),
+ [RCC_I2C3] = DEV_ENTRY(APB1, I2C3),
+ [RCC_I2C2] = DEV_ENTRY(APB1, I2C2),
+ [RCC_I2C1] = DEV_ENTRY(APB1, I2C1),
+ [RCC_UART5] = DEV_ENTRY(APB1, UART5),
+ [RCC_UART4] = DEV_ENTRY(APB1, UART4),
+ [RCC_USART3] = DEV_ENTRY(APB1, USART3),
+ [RCC_USART2] = DEV_ENTRY(APB1, USART2),
+ [RCC_SPI3] = DEV_ENTRY(APB1, SPI3),
+ [RCC_SPI2] = DEV_ENTRY(APB1, SPI2),
+ [RCC_WWDG] = DEV_ENTRY(APB1, WWDG),
+ [RCC_TIM14] = DEV_ENTRY(APB1, TIM14),
+ [RCC_TIM13] = DEV_ENTRY(APB1, TIM13),
+ [RCC_TIM12] = DEV_ENTRY(APB1, TIM12),
+ [RCC_TIM7] = DEV_ENTRY(APB1, TIM7),
+ [RCC_TIM6] = DEV_ENTRY(APB1, TIM6),
+ [RCC_TIM5] = DEV_ENTRY(APB1, TIM5),
+ [RCC_TIM4] = DEV_ENTRY(APB1, TIM4),
+ [RCC_TIM3] = DEV_ENTRY(APB1, TIM3),
+ [RCC_TIM2] = DEV_ENTRY(APB1, TIM2),
+
+ /* APB2 */
+ [RCC_TIM11] = DEV_ENTRY(APB2, TIM11),
+ [RCC_TIM10] = DEV_ENTRY(APB2, TIM10),
+ [RCC_TIM9] = DEV_ENTRY(APB2, TIM9),
+ [RCC_SYSCFG] = DEV_ENTRY(APB2, SYSCFG),
+ [RCC_SPI1] = DEV_ENTRY(APB2, SPI1),
+ [RCC_SDIO] = DEV_ENTRY(APB2, SDIO),
+ [RCC_ADC3] = DEV_ENTRY(APB2, ADC3),
+ [RCC_ADC2] = DEV_ENTRY(APB2, ADC2),
+ [RCC_ADC1] = DEV_ENTRY(APB2, ADC1),
+ [RCC_USART6] = DEV_ENTRY(APB2, USART6),
+ [RCC_USART1] = DEV_ENTRY(APB2, USART1),
+ [RCC_TIM8] = DEV_ENTRY(APB2, TIM8),
+ [RCC_TIM1] = DEV_ENTRY(APB2, TIM1),
+};
+
+void rcc_clk_init(rcc_sysclk_src sysclk_src,
+ rcc_pllsrc pll_src,
+ rcc_pll_multiplier pll_mul) {
+ ASSERT(0); /* FIXME */
+}
+
+/**
+ * @brief Turn on the clock line on a peripheral
+ * @param id Clock ID of the peripheral to turn on.
+ */
+void rcc_clk_enable(rcc_clk_id id) {
+ static __io uint32* enable_regs[] = {
+ [RCC_AHB1] = &RCC_BASE->AHB1ENR,
+ [RCC_AHB2] = &RCC_BASE->AHB2ENR,
+ [RCC_AHB3] = &RCC_BASE->AHB3ENR,
+ [RCC_APB1] = &RCC_BASE->APB1ENR,
+ [RCC_APB2] = &RCC_BASE->APB2ENR,
+ };
+ rcc_do_clk_enable(enable_regs, id);
+}
+
+/**
+ * @brief Reset a peripheral.
+ *
+ * Caution: not all rcc_clk_id values refer to a peripheral which can
+ * be reset.
+ *
+ * @param id Clock ID of the peripheral to reset.
+ */
+void rcc_reset_dev(rcc_clk_id id) {
+ static __io uint32* reset_regs[] = {
+ [RCC_AHB1] = &RCC_BASE->AHB1RSTR,
+ [RCC_AHB2] = &RCC_BASE->AHB2RSTR,
+ [RCC_AHB3] = &RCC_BASE->AHB3RSTR,
+ [RCC_APB1] = &RCC_BASE->AHB3RSTR,
+ [RCC_APB2] = &RCC_BASE->AHB3RSTR,
+ };
+ rcc_do_reset_dev(reset_regs, id);
+}
+
+/**
+ * @brief Set the divider on a peripheral prescaler
+ * @param prescaler prescaler to set
+ * @param divider prescaler divider
+ */
+void rcc_set_prescaler(rcc_prescaler prescaler, uint32 divider) {
+ static const uint32 masks[] = {
+ [RCC_PRESCALER_MCO2] = RCC_CFGR_MCO2PRE,
+ [RCC_PRESCALER_MCO1] = RCC_CFGR_MCO1PRE,
+ [RCC_PRESCALER_RTC] = RCC_CFGR_RTCPRE,
+ [RCC_PRESCALER_APB2] = RCC_CFGR_PPRE2,
+ [RCC_PRESCALER_APB1] = RCC_CFGR_PPRE1,
+ [RCC_PRESCALER_AHB] = RCC_CFGR_HPRE,
+ };
+ rcc_do_set_prescaler(masks, prescaler, divider);
+}
diff --git a/libmaple/stm32f2/rules.mk b/libmaple/stm32f2/rules.mk
index afdcd4f..a865340 100644
--- a/libmaple/stm32f2/rules.mk
+++ b/libmaple/stm32f2/rules.mk
@@ -9,7 +9,7 @@ CFLAGS_$(d) = -I$(d) $(LIBMAPLE_INCLUDES) $(LIBMAPLE_PRIVATE_INCLUDES) -Wall -We
# Local rules and targets
sSRCS_$(d) := isrs.S vector_table.S
-cSRCS_$(d) :=
+cSRCS_$(d) := rcc.c
sFILES_$(d) := $(sSRCS_$(d):%=$(d)/%)
cFILES_$(d) := $(cSRCS_$(d):%=$(d)/%)