318 lines
12 KiB
C
318 lines
12 KiB
C
/****************************************************************************
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* boards/arm/stm32f7/stm32f746-ws/include/board.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_STM32F7_STM32F746_WS_INCLUDE_BOARD_H
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#define __BOARDS_ARM_STM32F7_STM32F746_WS_INCLUDE_BOARD_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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/* Do not include STM32 F7 header files here */
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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 STM32F7 Discovery board provides the following clock sources:
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*
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* X1: 24 MHz oscillator for USB OTG HS PHY and camera module
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* (daughter board)
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* X2: 25 MHz oscillator for STM32F746NGH6 microcontroller and
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* Ethernet PHY.
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* X3: 32.768 KHz crystal for STM32F746NGH6 embedded RTC
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*
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* So we have these clock source available within the STM32
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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: On-board crystal frequency is 25MHz
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* LSE: 32.768 kHz
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*/
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#define STM32_BOARD_XTAL 8000000ul
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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 = 8,000,000
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*
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* PLL_VCO = (STM32_HSE_FREQUENCY / PLLM) * PLLN
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* Subject to:
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*
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* 2 <= PLLM <= 63
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* 192 <= PLLN <= 432
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* 192 MHz <= PLL_VCO <= 432MHz
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*
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* SYSCLK = PLL_VCO / PLLP
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* Subject to
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*
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* PLLP = {2, 4, 6, 8}
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* SYSCLK <= 216 MHz
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*
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* USB OTG FS, SDMMC and RNG Clock = PLL_VCO / PLLQ
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* Subject to
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* The USB OTG FS requires a 48 MHz clock to work correctly. The SDMMC
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* and the random number generator need a frequency lower than or equal
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* to 48 MHz to work correctly.
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*
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* 2 <= PLLQ <= 15
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*/
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/* Highest SYSCLK with USB OTG FS clock <= 48MHz
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*
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* PLL_VCO = (8,000,000 / 8) * 432 = 432 MHz
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* SYSCLK = 432 MHz / 2 = 216 MHz
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* USB OTG FS, SDMMC and RNG Clock = 432 MHz / 9 = 48 MHz
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*/
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#define STM32_PLLCFG_PLLM RCC_PLLCFG_PLLM(8)
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#define STM32_PLLCFG_PLLN RCC_PLLCFG_PLLN(432)
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#define STM32_PLLCFG_PLLP RCC_PLLCFG_PLLP_2
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#define STM32_PLLCFG_PLLQ RCC_PLLCFG_PLLQ(9)
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#define STM32_VCO_FREQUENCY ((STM32_HSE_FREQUENCY / 8) * 432)
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#define STM32_SYSCLK_FREQUENCY (STM32_VCO_FREQUENCY / 2)
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#define STM32_OTGFS_FREQUENCY (STM32_VCO_FREQUENCY / 9)
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/* Configure factors for PLLSAI clock */
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#define CONFIG_STM32F7_PLLSAI 1
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#define STM32_RCC_PLLSAICFGR_PLLSAIN RCC_PLLSAICFGR_PLLSAIN(192)
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#define STM32_RCC_PLLSAICFGR_PLLSAIP RCC_PLLSAICFGR_PLLSAIP(2)
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#define STM32_RCC_PLLSAICFGR_PLLSAIQ RCC_PLLSAICFGR_PLLSAIQ(2)
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#define STM32_RCC_PLLSAICFGR_PLLSAIR RCC_PLLSAICFGR_PLLSAIR(2)
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/* Configure Dedicated Clock Configuration Register */
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#define STM32_RCC_DCKCFGR1_PLLI2SDIVQ RCC_DCKCFGR1_PLLI2SDIVQ(1)
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#define STM32_RCC_DCKCFGR1_PLLSAIDIVQ RCC_DCKCFGR1_PLLSAIDIVQ(1)
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#define STM32_RCC_DCKCFGR1_PLLSAIDIVR RCC_DCKCFGR1_PLLSAIDIVR(0)
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#define STM32_RCC_DCKCFGR1_SAI1SRC RCC_DCKCFGR1_SAI1SEL(0)
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#define STM32_RCC_DCKCFGR1_SAI2SRC RCC_DCKCFGR1_SAI2SEL(0)
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#define STM32_RCC_DCKCFGR1_TIMPRESRC 0
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#define STM32_RCC_DCKCFGR1_DFSDM1SRC 0
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#define STM32_RCC_DCKCFGR1_ADFSDM1SRC 0
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/* Configure factors for PLLI2S clock */
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#define CONFIG_STM32F7_PLLI2S 1
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#define STM32_RCC_PLLI2SCFGR_PLLI2SN RCC_PLLI2SCFGR_PLLI2SN(192)
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#define STM32_RCC_PLLI2SCFGR_PLLI2SP RCC_PLLI2SCFGR_PLLI2SP(2)
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#define STM32_RCC_PLLI2SCFGR_PLLI2SQ RCC_PLLI2SCFGR_PLLI2SQ(2)
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#define STM32_RCC_PLLI2SCFGR_PLLI2SR RCC_PLLI2SCFGR_PLLI2SR(2)
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/* Configure Dedicated Clock Configuration Register 2 */
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#define STM32_RCC_DCKCFGR2_USART1SRC RCC_DCKCFGR2_USART1SEL_APB
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#define STM32_RCC_DCKCFGR2_USART2SRC RCC_DCKCFGR2_USART2SEL_APB
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#define STM32_RCC_DCKCFGR2_UART4SRC RCC_DCKCFGR2_UART4SEL_APB
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#define STM32_RCC_DCKCFGR2_UART5SRC RCC_DCKCFGR2_UART5SEL_APB
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#define STM32_RCC_DCKCFGR2_USART6SRC RCC_DCKCFGR2_USART6SEL_APB
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#define STM32_RCC_DCKCFGR2_UART7SRC RCC_DCKCFGR2_UART7SEL_APB
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#define STM32_RCC_DCKCFGR2_UART8SRC RCC_DCKCFGR2_UART8SEL_APB
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#define STM32_RCC_DCKCFGR2_I2C1SRC RCC_DCKCFGR2_I2C1SEL_HSI
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#define STM32_RCC_DCKCFGR2_I2C2SRC RCC_DCKCFGR2_I2C2SEL_HSI
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#define STM32_RCC_DCKCFGR2_I2C3SRC RCC_DCKCFGR2_I2C3SEL_HSI
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#define STM32_RCC_DCKCFGR2_I2C4SRC RCC_DCKCFGR2_I2C4SEL_HSI
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#define STM32_RCC_DCKCFGR2_LPTIM1SRC RCC_DCKCFGR2_LPTIM1SEL_APB
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#define STM32_RCC_DCKCFGR2_CECSRC RCC_DCKCFGR2_CECSEL_HSI
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#define STM32_RCC_DCKCFGR2_CK48MSRC RCC_DCKCFGR2_CK48MSEL_PLLSAI
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#define STM32_RCC_DCKCFGR2_SDMMCSRC RCC_DCKCFGR2_SDMMCSEL_48MHZ
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#define STM32_RCC_DCKCFGR2_SDMMC2SRC RCC_DCKCFGR2_SDMMC2SEL_48MHZ
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/* Several prescalers allow the configuration of the two AHB buses, the
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* high-speed APB (APB2) and the low-speed APB (APB1) domains. The maximum
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* frequency of the two AHB buses is 216 MHz while the maximum frequency of
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* the high-speed APB domains is 108 MHz. The maximum allowed frequency of
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* the low-speed APB domain is 54 MHz.
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*/
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/* AHB clock (HCLK) is SYSCLK (216 MHz) */
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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/4 (54 MHz) */
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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 (108MHz) */
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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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/* FLASH wait states
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*
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* --------- ---------- -----------
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* VDD MAX SYSCLK WAIT STATES
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* --------- ---------- -----------
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* 1.7-2.1 V 180 MHz 8
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* 2.1-2.4 V 216 MHz 9
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* 2.4-2.7 V 216 MHz 8
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* 2.7-3.6 V 216 MHz 7
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* --------- ---------- -----------
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*/
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#define BOARD_FLASH_WAITSTATES 7
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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 STM32_SDMMC_INIT_CLKDIV (118 << STM32_SDMMC_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 STM32_SDMMC_MMCXFR_CLKDIV (1 << STM32_SDMMC_CLKCR_CLKDIV_SHIFT)
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#else
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# define STM32_SDMMC_MMCXFR_CLKDIV (2 << STM32_SDMMC_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 STM32_SDMMC_SDXFR_CLKDIV (1 << STM32_SDMMC_CLKCR_CLKDIV_SHIFT)
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#else
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# define STM32_SDMMC_SDXFR_CLKDIV (2 << STM32_SDMMC_CLKCR_CLKDIV_SHIFT)
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#endif
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/* DMA channels *************************************************************/
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/* SDMMC */
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/* Stream selections are arbitrary for now but might become important in the
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* future if we set aside more DMA channels/streams.
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*
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* SDIO DMA
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* DMAMAP_SDMMC1_1 = Channel 4, Stream 3
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* DMAMAP_SDMMC1_2 = Channel 4, Stream 6
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*/
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#define DMAMAP_SDMMC1 DMAMAP_SDMMC1_1
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/* Alternate function pin selections ****************************************/
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/* ADC1 */
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#define GPIO_ADC1_IN0 GPIO_ADC1_IN0_0 /* PA0 */
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#define GPIO_ADC1_IN1 GPIO_ADC1_IN1_0 /* PA1 */
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#define GPIO_ADC1_IN2 GPIO_ADC1_IN2_0 /* PA2 */
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#define GPIO_ADC1_IN3 GPIO_ADC1_IN3_0 /* PA3 */
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#define GPIO_ADC1_IN4 GPIO_ADC1_IN4_0 /* PA4 */
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#define GPIO_ADC1_IN5 GPIO_ADC1_IN5_0 /* PA5 */
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#define GPIO_ADC1_IN6 GPIO_ADC1_IN6_0 /* PA6 */
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#define GPIO_ADC1_IN7 GPIO_ADC1_IN7_0 /* PA7 */
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#define GPIO_ADC1_IN8 GPIO_ADC1_IN8_0 /* PB0 */
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#define GPIO_ADC1_IN9 GPIO_ADC1_IN9_0 /* PB1 */
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#define GPIO_ADC1_IN10 GPIO_ADC1_IN10_0 /* PC0 */
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#define GPIO_ADC1_IN11 GPIO_ADC1_IN11_0 /* PC1 */
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#define GPIO_ADC1_IN12 GPIO_ADC1_IN12_0 /* PC2 */
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#define GPIO_ADC1_IN13 GPIO_ADC1_IN13_0 /* PC3 */
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#define GPIO_ADC1_IN14 GPIO_ADC1_IN14_0 /* PC4 */
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#define GPIO_ADC1_IN15 GPIO_ADC1_IN15_0 /* PC5 */
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/* USART6:
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*
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* These configurations assume that you are using a standard Arduio RS-232
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* shield with the serial interface with RX on pin D0 and TX on pin D1:
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*
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* -------- ---------------
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* STM32F7
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* ARDUIONO FUNCTION GPIO
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* -- ----- --------- -----
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* DO RX USART6_RX PC7
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* D1 TX USART6_TX PC6
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* -- ----- --------- -----
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*/
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#define GPIO_USART6_RX (GPIO_USART6_RX_1|GPIO_SPEED_100MHz)
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#define GPIO_USART6_TX (GPIO_USART6_TX_1|GPIO_SPEED_100MHz)
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#define GPIO_SPI1_SCK (GPIO_SPI1_SCK_1|GPIO_SPEED_50MHz)
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#define GPIO_SPI1_MISO (GPIO_SPI1_MISO_1|GPIO_SPEED_50MHz)
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#define GPIO_SPI1_MOSI (GPIO_SPI1_MOSI_1|GPIO_SPEED_50MHz)
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#define GPIO_I2C1_SCL (GPIO_I2C1_SCL_1|GPIO_SPEED_50MHz)
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#define GPIO_I2C1_SDA (GPIO_I2C1_SDA_1|GPIO_SPEED_50MHz)
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/* SDMMC1 */
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#define GPIO_SDMMC1_CK (GPIO_SDMMC1_CK_0|GPIO_SPEED_50MHz)
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#define GPIO_SDMMC1_CMD (GPIO_SDMMC1_CMD_0|GPIO_SPEED_50MHz)
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#define GPIO_SDMMC1_D0 (GPIO_SDMMC1_D0_0|GPIO_SPEED_50MHz)
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#define GPIO_SDMMC1_D1 (GPIO_SDMMC1_D1_0|GPIO_SPEED_50MHz)
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#define GPIO_SDMMC1_D2 (GPIO_SDMMC1_D2_0|GPIO_SPEED_50MHz)
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#define GPIO_SDMMC1_D3 (GPIO_SDMMC1_D3_0|GPIO_SPEED_50MHz)
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#define GPIO_SDMMC1_D4 (GPIO_SDMMC1_D4_0|GPIO_SPEED_50MHz)
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#define GPIO_SDMMC1_D5 (GPIO_SDMMC1_D5_0|GPIO_SPEED_50MHz)
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#define GPIO_SDMMC1_D6 (GPIO_SDMMC1_D6_0|GPIO_SPEED_50MHz)
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#define GPIO_SDMMC1_D7 (GPIO_SDMMC1_D7_0|GPIO_SPEED_50MHz)
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/* OTGFS */
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#define GPIO_OTGFS_DM (GPIO_OTGFS_DM_0|GPIO_SPEED_100MHz)
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#define GPIO_OTGFS_DP (GPIO_OTGFS_DP_0|GPIO_SPEED_100MHz)
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#define GPIO_OTGFS_ID (GPIO_OTGFS_ID_0|GPIO_SPEED_100MHz)
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#endif /* __BOARDS_ARM_STM32F7_STM32F746_WS_INCLUDE_BOARD_H */
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