7a8cf7ff70
follow the coding style Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
232 lines
8.1 KiB
C
232 lines
8.1 KiB
C
/****************************************************************************
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* boards/arm/stm32/nucleo-f4x1re/include/nucleo-f411re.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_STM32_NUCLEO_F401RE_INCLUDE_NUCLEO_F411RE_H
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#define __BOARDS_ARM_STM32_NUCLEO_F401RE_INCLUDE_NUCLEO_F411RE_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Clocking *****************************************************************/
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/* The NUCLEOF411RE supports both HSE and LSE crystals (X2 and X3).
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* However, as shipped, the X2 and X3 crystals are not populated.
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* Therefore the Nucleo-FF411RE will need to run off the 16MHz HSI clock.
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*
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* System Clock source : PLL (HSI)
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* SYSCLK(Hz) : 104000000 Determined by PLL
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* configuration
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* HCLK(Hz) : 104000000 (STM32_RCC_CFGR_HPRE)
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* AHB Prescaler : 1 (STM32_RCC_CFGR_HPRE)
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* APB1 Prescaler : 2 (STM32_RCC_CFGR_PPRE1)
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* APB2 Prescaler : 1 (STM32_RCC_CFGR_PPRE2)
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* HSI Frequency(Hz) : 16000000 (nominal)
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* PLLM : 8 (STM32_PLLCFG_PLLM)
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* PLLN : 216 (STM32_PLLCFG_PLLN)
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* PLLP : 4 (STM32_PLLCFG_PLLP)
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* PLLQ : 9 (STM32_PLLCFG_PPQ)
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* Flash Latency(WS) : 4
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* Prefetch Buffer : OFF
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* Instruction cache : ON
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* Data cache : ON
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* Require 48MHz for USB OTG FS, : Enabled
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* SDIO and RNG clock
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*/
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/* HSI - 16 MHz RC factory-trimmed
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* LSI - 32 KHz RC
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* HSE - not installed
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* LSE - not installed
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*/
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#define STM32_HSI_FREQUENCY 16000000ul
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#define STM32_LSI_FREQUENCY 32000
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#define STM32_BOARD_USEHSI 1
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/* Main PLL Configuration.
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*
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* Formulae:
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*
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* VCO input frequency = PLL input clock frequency / PLLM,
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* 2 <= PLLM <= 63
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* VCO output frequency = VCO input frequency × PLLN,
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* 192 <= PLLN <= 432
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* PLL output clock frequency = VCO frequency / PLLP,
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* PLLP = 2, 4, 6, or 8
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* USB OTG FS clock frequency = VCO frequency / PLLQ,
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* 2 <= PLLQ <= 15
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*
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* There is no config for 100 MHz and 48 MHz for usb,
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* so we would like to have SYSYCLK=104MHz and we must have
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* the USB clock= 48MHz.
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*
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* PLLQ = 13 PLLP = 6 PLLN=390 PLLM=10
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*
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* We will configure like this
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*
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* PLL source is HSI
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* PLL_VCO = (STM32_HSI_FREQUENCY / PLLM) * PLLN
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* = (16,000,000 / 10) * 390
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* = 624,000,000
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* SYSCLK = PLL_VCO / PLLP
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* = 624,000,000 / 6 = 104,000,000
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* USB OTG FS and SDIO Clock
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* = PLL_VCO / PLLQ
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* = 624,000,000 / 13 = 48,000,000
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*
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* REVISIT: Trimming of the HSI is not yet supported.
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*/
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#define STM32_PLLCFG_PLLM RCC_PLLCFG_PLLM(10)
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#define STM32_PLLCFG_PLLN RCC_PLLCFG_PLLN(390)
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#define STM32_PLLCFG_PLLP RCC_PLLCFG_PLLP_6
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#define STM32_PLLCFG_PLLQ RCC_PLLCFG_PLLQ(13)
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#define STM32_SYSCLK_FREQUENCY 104000000ul
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/* AHB clock (HCLK) is SYSCLK (104MHz) */
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#define STM32_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK /* HCLK = SYSCLK / 1 */
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#define STM32_HCLK_FREQUENCY STM32_SYSCLK_FREQUENCY
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/* APB1 clock (PCLK1) is HCLK/2 (52MHz) */
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#define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLKd2 /* PCLK1 = HCLK / 2 */
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#define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY/2)
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/* Timers driven from APB1 will be twice PCLK1 */
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/* REVISIT */
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#define STM32_APB1_TIM2_CLKIN (2*STM32_PCLK1_FREQUENCY)
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#define STM32_APB1_TIM3_CLKIN (2*STM32_PCLK1_FREQUENCY)
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#define STM32_APB1_TIM4_CLKIN (2*STM32_PCLK1_FREQUENCY)
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#define STM32_APB1_TIM5_CLKIN (2*STM32_PCLK1_FREQUENCY)
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#define STM32_APB1_TIM6_CLKIN (2*STM32_PCLK1_FREQUENCY)
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#define STM32_APB1_TIM7_CLKIN (2*STM32_PCLK1_FREQUENCY)
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#define STM32_APB1_TIM12_CLKIN (2*STM32_PCLK1_FREQUENCY)
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#define STM32_APB1_TIM13_CLKIN (2*STM32_PCLK1_FREQUENCY)
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#define STM32_APB1_TIM14_CLKIN (2*STM32_PCLK1_FREQUENCY)
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/* APB2 clock (PCLK2) is HCLK (104MHz) */
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#define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK /* PCLK2 = HCLK / 1 */
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#define STM32_PCLK2_FREQUENCY (STM32_HCLK_FREQUENCY/1)
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/* Timers driven from APB2 will be twice PCLK2 */
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/* REVISIT */
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#define STM32_APB2_TIM1_CLKIN (2*STM32_PCLK2_FREQUENCY)
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#define STM32_APB2_TIM8_CLKIN (2*STM32_PCLK2_FREQUENCY)
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#define STM32_APB2_TIM9_CLKIN (2*STM32_PCLK1_FREQUENCY)
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#define STM32_APB2_TIM10_CLKIN (2*STM32_PCLK1_FREQUENCY)
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#define STM32_APB2_TIM11_CLKIN (2*STM32_PCLK1_FREQUENCY)
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/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx
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* otherwise frequency is 2xAPBx.
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* Note: TIM1,8 are on APB2, others on APB1
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*/
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/* REVISIT */
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#define BOARD_TIM1_FREQUENCY (2*STM32_PCLK2_FREQUENCY)
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#define BOARD_TIM2_FREQUENCY (2*STM32_PCLK1_FREQUENCY)
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#define BOARD_TIM3_FREQUENCY (2*STM32_PCLK1_FREQUENCY)
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#define BOARD_TIM4_FREQUENCY (2*STM32_PCLK1_FREQUENCY)
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#define BOARD_TIM5_FREQUENCY (2*STM32_PCLK1_FREQUENCY)
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#define BOARD_TIM6_FREQUENCY (2*STM32_PCLK1_FREQUENCY)
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#define BOARD_TIM7_FREQUENCY (2*STM32_PCLK1_FREQUENCY)
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#define BOARD_TIM8_FREQUENCY (2*STM32_PCLK2_FREQUENCY)
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/* SDIO dividers. Note that slower clocking is required when DMA is disabled
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* in order to avoid RX overrun/TX underrun errors due to delayed responses
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* to service FIFOs in interrupt driven mode. These values have not been
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* tuned!!!
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*
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* HCLK=72MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(178+2)=400 KHz
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*/
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/* REVISIT */
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#define SDIO_INIT_CLKDIV (178 << SDIO_CLKCR_CLKDIV_SHIFT)
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/* DMA ON: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(2+2)=18 MHz
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* DMA OFF: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(3+2)=14.4 MHz
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*/
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/* REVISIT */
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#ifdef CONFIG_SDIO_DMA
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# define SDIO_MMCXFR_CLKDIV (2 << SDIO_CLKCR_CLKDIV_SHIFT)
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#else
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# define SDIO_MMCXFR_CLKDIV (3 << SDIO_CLKCR_CLKDIV_SHIFT)
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#endif
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/* DMA ON: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(1+2)=24 MHz
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* DMA OFF: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(3+2)=14.4 MHz
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*/
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/* REVISIT */
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#ifdef CONFIG_SDIO_DMA
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# define SDIO_SDXFR_CLKDIV (1 << SDIO_CLKCR_CLKDIV_SHIFT)
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#else
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# define SDIO_SDXFR_CLKDIV (3 << SDIO_CLKCR_CLKDIV_SHIFT)
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#endif
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_STM32_NUCLEO_F401RE_INCLUDE_NUCLEO_F411RE_H */
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