315 lines
12 KiB
C
315 lines
12 KiB
C
/************************************************************************************
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* configs/olimex-stm32-h407/include/board.h
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*
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* Copyright (C) 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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* Modified for H407 Neil Hancock
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __CONFIGS_OLIMEX_STM32_H407_INCLUDE_BOARD_H
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#define __CONFIGS_OLIMEX_STM32_H407_INCLUDE_BOARD_H 1
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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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# include <stdbool.h>
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#endif
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#ifdef __KERNEL__
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# include "stm32_rcc.h"
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# include "stm32_sdio.h"
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# include "stm32.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 Olimex-STM32-H407 board features a 12MHz crystal and
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* a 32kHz RTC backup crystal.
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*
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* This is the canonical configuration:
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* System Clock source : PLL (HSE)
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* SYSCLK(Hz) : 168000000 Determined by PLL configuration
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* HCLK(Hz) : 168000000 (STM32_RCC_CFGR_HPRE)
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* AHB Prescaler : 1 (STM32_RCC_CFGR_HPRE)
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* APB1 Prescaler : 4 (STM32_RCC_CFGR_PPRE1)
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* APB2 Prescaler : 2 (STM32_RCC_CFGR_PPRE2)
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* HSE Frequency(Hz) : 8000000 (STM32_BOARD_XTAL)
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* PLLM : 8 (STM32_PLLCFG_PLLM)
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* PLLN : 336 (STM32_PLLCFG_PLLN)
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* PLLP : 2 (STM32_PLLCFG_PLLP)
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* PLLQ : 7 (STM32_PLLCFG_PLLQ)
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* Main regulator output voltage : Scale1 mode Needed for high speed SYSCLK
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* Flash Latency(WS) : 5
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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 (30-60KHz, uncalibrated)
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* HSE - On-board crystal frequency is 12MHz
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* LSE - 32.768 kHz
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* STM32F407ZGT6 - too 168Mhz
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*/
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#define STM32_BOARD_XTAL 12000000ul
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#define STM32_HSI_FREQUENCY 16000000ul
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#define STM32_LSI_FREQUENCY 32000
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#define STM32_HSE_FREQUENCY STM32_BOARD_XTAL
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#define STM32_LSE_FREQUENCY 32768
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/* Main PLL Configuration.
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*
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* PLL source is HSE
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* PLL_VCO = (STM32_HSE_FREQUENCY / PLLM) * PLLN
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* = (25,000,000 / 12) * 360
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* = 240,000,000
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* SYSCLK = PLL_VCO / PLLP
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* = 240,000,000 / 2 = 120,000,000
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* USB OTG FS, SDIO and RNG Clock
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* = PLL_VCO / PLLQ
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* = 240,000,000 / 5 = 48,000,000
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* = 48,000,000
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*
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* Xtal /M *n /P SysClk AHB HCLK APB1 PCLK1
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* 12Mhz HSE /12 336 /2 PLLCLK 168Mhz /1 168 /4 42Mhz
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* 12Mhz HSE /6 168 /2 PLLCLK 168Mhz /1 168 /4 42Mhz
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*/
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#define STM32_PLLCFG_PLLM RCC_PLLCFG_PLLM(3)
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#define STM32_PLLCFG_PLLN RCC_PLLCFG_PLLN(84)
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#define STM32_PLLCFG_PLLP RCC_PLLCFG_PLLP_2
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#define STM32_PLLCFG_PLLQ RCC_PLLCFG_PLLQ(5)
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#define STM32_PLLCFG_PLLQ RCC_PLLCFG_PLLQ(7)
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#define STM32_SYSCLK_FREQUENCY 168000000ul
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/* AHB clock (HCLK) is SYSCLK (168MHz) */
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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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#define STM32_BOARD_HCLK STM32_HCLK_FREQUENCY /* same as above, to satisfy compiler */
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/* APB1 clock (PCLK1) is HCLK/4 (42MHz) */
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#define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLKd4 /* PCLK1 = HCLK / 4 */
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#define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY/4)
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/* Timers driven from APB1 will be twice PCLK1 */
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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/2 */
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#define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLKd2 /* PCLK2 = HCLK / 2 */
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#define STM32_PCLK2_FREQUENCY (STM32_HCLK_FREQUENCY/2)
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/* Timers driven from APB2 will be twice PCLK2 */
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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_PCLK2_FREQUENCY)
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#define STM32_APB2_TIM10_CLKIN (2 * STM32_PCLK2_FREQUENCY)
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#define STM32_APB2_TIM11_CLKIN (2 * STM32_PCLK2_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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#define BOARD_TIM1_FREQUENCY STM32_HCLK_FREQUENCY
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#define BOARD_TIM2_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
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#define BOARD_TIM3_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
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#define BOARD_TIM4_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
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#define BOARD_TIM5_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
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#define BOARD_TIM6_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
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#define BOARD_TIM7_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
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#define BOARD_TIM8_FREQUENCY STM32_HCLK_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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* SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(118+2)=400 KHz
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*/
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#define SDIO_INIT_CLKDIV (118 << SDIO_CLKCR_CLKDIV_SHIFT)
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/* DMA ON: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(1+2)=16 MHz
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* DMA OFF: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(2+2)=12 MHz
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*/
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#ifdef CONFIG_SDIO_DMA
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# define SDIO_MMCXFR_CLKDIV (1 << SDIO_CLKCR_CLKDIV_SHIFT)
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#else
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# define SDIO_MMCXFR_CLKDIV (2 << SDIO_CLKCR_CLKDIV_SHIFT)
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#endif
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/* DMA ON: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(1+2)=16 MHz
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* DMA OFF: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(2+2)=12 MHz
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*/
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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 (2 << SDIO_CLKCR_CLKDIV_SHIFT)
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#endif
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/* LED definitions ******************************************************************/
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/* If CONFIG_ARCH_LEDS is not defined, then the user can control the status LED in any
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* way. The following definitions are used to access individual LEDs.
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*/
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/* LED index values for use with board_userled() */
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#define BOARD_LED_STATUS 0
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#define BOARD_NLEDS 1
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/* LED bits for use with board_userled_all() */
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#define BOARD_LED_STATUS_BIT (1 << BOARD_LED_STATUS)
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/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the status LED of the
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* Olimex STM32-H405. The following definitions describe how NuttX controls the LEDs:
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*/
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#define LED_STARTED 0 /* LED_STATUS on */
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#define LED_HEAPALLOCATE 1 /* no change */
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#define LED_IRQSENABLED 2 /* no change */
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#define LED_STACKCREATED 3 /* no change */
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#define LED_INIRQ 4 /* no change */
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#define LED_SIGNAL 5 /* no change */
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#define LED_ASSERTION 6 /* LED_STATUS off */
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#define LED_PANIC 7 /* LED_STATUS blinking */
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/* Button definitions ***************************************************************/
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/* The Olimex STM32-H405 supports one buttons: */
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#define BUTTON_BUT 0
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#define NUM_BUTTONS 1
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#define BUTTON_BUT_BIT (1 << BUTTON_BUT)
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/* Alternate function pin selections ************************************************/
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/* USART3: */
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#if 0
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#define GPIO_USART3_RX GPIO_USART3_RX_1 /* PB11 */
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#define GPIO_USART3_TX GPIO_USART3_TX_1 /* PB10 */
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#define GPIO_USART3_CTS GPIO_USART3_CTS_1 /* PB13 */
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#define GPIO_USART3_RTS GPIO_USART3_RTS_1 /* PB14 */
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#endif
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/* USART2: */
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#define GPIO_USART2_RX GPIO_USART2_RX_1
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#define GPIO_USART2_TX GPIO_USART2_TX_1
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#define GPIO_USART2_CTS GPIO_USART2_CTS_1
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#define GPIO_USART2_RTS GPIO_USART2_RTS_1
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/* CAN: */
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#define GPIO_CAN1_RX GPIO_CAN1_RX_2 /* PB8 */
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#define GPIO_CAN1_TX GPIO_CAN1_TX_2 /* PB9 */
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#define GPIO_CAN2_RX GPIO_CAN1_RX_2 /* PB5 */
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#define GPIO_CAN2_TX GPIO_CAN1_TX_2 /* PB6 */
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/* DMA Channl/Stream Selections *****************************************************/
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/* Stream selections are arbitrary for now but might become important in the future
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* if we set aside more DMA channels/streams.
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*
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* SDIO DMA
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* DMAMAP_SDIO_1 = Channel 4, Stream 3
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* DMAMAP_SDIO_2 = Channel 4, Stream 6
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*/
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#define DMAMAP_SDIO DMAMAP_SDIO_1
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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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/************************************************************************************
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* Name: stm32_boardinitialize
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*
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* Description:
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* All STM32 architectures must provide the following entry point. This entry point
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* is called early in the initialization -- after all memory has been configured
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* and mapped but before any devices have been initialized.
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*
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************************************************************************************/
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void stm32_boardinitialize(void);
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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 /* __CONFIGS_OLIMEX_STM32_H407_INCLUDE_BOARD_H */
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