/**************************************************************************** * boards/arm/stm32/olimex-stm32-e407/include/board.h * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ #ifndef __BOARDS_ARM_STM32_OLIMEX_STM32_E407_INCLUDE_BOARD_H #define __BOARDS_ARM_STM32_OLIMEX_STM32_E407_INCLUDE_BOARD_H /**************************************************************************** * Included Files ****************************************************************************/ #include #ifndef __ASSEMBLY__ # include # include #endif /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* Clocking *****************************************************************/ /* The Olimex-STM32-E407 board features a 12MHz crystal and * a 32kHz RTC backup crystal. * * This is the canonical configuration: * System Clock source : PLL (HSE) * SYSCLK(Hz) : 168000000 Determined by PLL configuration * HCLK(Hz) : 168000000 (STM32_RCC_CFGR_HPRE) * AHB Prescaler : 1 (STM32_RCC_CFGR_HPRE) * APB1 Prescaler : 4 (STM32_RCC_CFGR_PPRE1) * APB2 Prescaler : 2 (STM32_RCC_CFGR_PPRE2) * HSE Frequency(Hz) : 8000000 (STM32_BOARD_XTAL) * PLLM : 8 (STM32_PLLCFG_PLLM) * PLLN : 336 (STM32_PLLCFG_PLLN) * PLLP : 2 (STM32_PLLCFG_PLLP) * PLLQ : 7 (STM32_PLLCFG_PLLQ) * Main regulator output * voltage : Scale1 mode Needed for high speed SYSCLK * Flash Latency(WS) : 5 * Prefetch Buffer : OFF * Instruction cache : ON * Data cache : ON * Require 48MHz for : Enabled * USB OTG FS, * SDIO and RNG clock */ /* HSI - 16 MHz RC factory-trimmed * LSI - 32 KHz RC (30-60KHz, uncalibrated) * HSE - On-board crystal frequency is 12MHz * LSE - 32.768 kHz * STM32F407ZGT6 - too 168Mhz */ #define STM32_BOARD_XTAL 12000000ul #define STM32_HSI_FREQUENCY 16000000ul #define STM32_LSI_FREQUENCY 32000 #define STM32_HSE_FREQUENCY STM32_BOARD_XTAL #define STM32_LSE_FREQUENCY 32768 /* Main PLL Configuration. * * PLL source is HSE * PLL_VCO = (STM32_HSE_FREQUENCY / PLLM) * PLLN * = (25,000,000 / 12) * 360 * = 240,000,000 * SYSCLK = PLL_VCO / PLLP * = 240,000,000 / 2 = 120,000,000 * USB OTG FS, SDIO and RNG Clock * = PLL_VCO / PLLQ * = 240,000,000 / 5 = 48,000,000 * = 48,000,000 * * Xtal /M *n /P SysClk AHB HCLK APB1 PCLK1 * 12Mhz HSE /12 336 /2 PLLCLK 168Mhz /1 168 /4 42Mhz * 12Mhz HSE /6 168 /2 PLLCLK 168Mhz /1 168 /4 42Mhz */ #define STM32_PLLCFG_PLLM RCC_PLLCFG_PLLM(3) #define STM32_PLLCFG_PLLN RCC_PLLCFG_PLLN(84) #define STM32_PLLCFG_PLLP RCC_PLLCFG_PLLP_2 #define STM32_PLLCFG_PLLQ RCC_PLLCFG_PLLQ(5) #define STM32_PLLCFG_PLLQ RCC_PLLCFG_PLLQ(7) #define STM32_SYSCLK_FREQUENCY 168000000ul /* AHB clock (HCLK) is SYSCLK (168MHz) */ #define STM32_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK /* HCLK = SYSCLK / 1 */ #define STM32_HCLK_FREQUENCY STM32_SYSCLK_FREQUENCY /* APB1 clock (PCLK1) is HCLK/4 (42MHz) */ #define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLKd4 /* PCLK1 = HCLK / 4 */ #define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY/4) /* Timers driven from APB1 will be twice PCLK1 */ #define STM32_APB1_TIM2_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM3_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM4_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM5_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM6_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM7_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM12_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM13_CLKIN (2*STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM14_CLKIN (2*STM32_PCLK1_FREQUENCY) /* APB2 clock (PCLK2) is HCLK/2 */ #define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLKd2 /* PCLK2 = HCLK / 2 */ #define STM32_PCLK2_FREQUENCY (STM32_HCLK_FREQUENCY/2) /* Timers driven from APB2 will be twice PCLK2 */ #define STM32_APB2_TIM1_CLKIN (2*STM32_PCLK2_FREQUENCY) #define STM32_APB2_TIM8_CLKIN (2*STM32_PCLK2_FREQUENCY) #define STM32_APB2_TIM9_CLKIN (2*STM32_PCLK2_FREQUENCY) #define STM32_APB2_TIM10_CLKIN (2*STM32_PCLK2_FREQUENCY) #define STM32_APB2_TIM11_CLKIN (2*STM32_PCLK2_FREQUENCY) /* Timer Frequencies, if APBx is set to 1, frequency is same as APBx * otherwise frequency is 2xAPBx. * Note: TIM1,8 are on APB2, others on APB1 */ #define BOARD_TIM1_FREQUENCY STM32_HCLK_FREQUENCY #define BOARD_TIM2_FREQUENCY STM32_HCLK_FREQUENCY #define BOARD_TIM3_FREQUENCY STM32_HCLK_FREQUENCY #define BOARD_TIM4_FREQUENCY STM32_HCLK_FREQUENCY #define BOARD_TIM5_FREQUENCY STM32_HCLK_FREQUENCY #define BOARD_TIM6_FREQUENCY STM32_HCLK_FREQUENCY #define BOARD_TIM7_FREQUENCY STM32_HCLK_FREQUENCY #define BOARD_TIM8_FREQUENCY STM32_HCLK_FREQUENCY /* LED definitions **********************************************************/ /* If CONFIG_ARCH_LEDS is not defined, then the user can control the status * LED in any way. * The following definitions are used to access individual LEDs. */ /* LED index values for use with board_userled() */ #define BOARD_LED_STATUS 0 #define BOARD_NLEDS 1 /* LED bits for use with board_userled_all() */ #define BOARD_LED_STATUS_BIT (1 << BOARD_LED1) /* If CONFIG_ARCH_LEDs is defined, then NuttX will control the status LED of * the Olimex STM32-E405. * The following definitions describe how NuttX controls the LEDs: */ #define LED_STARTED 0 /* LED_STATUS on */ #define LED_HEAPALLOCATE 1 /* no change */ #define LED_IRQSENABLED 2 /* no change */ #define LED_STACKCREATED 3 /* no change */ #define LED_INIRQ 4 /* no change */ #define LED_SIGNAL 5 /* no change */ #define LED_ASSERTION 6 /* LED_STATUS off */ #define LED_PANIC 7 /* LED_STATUS blinking */ /* Button definitions *******************************************************/ /* The Olimex STM32-E405 supports one buttons: */ #define BUTTON_BUT 0 #define NUM_BUTTONS 1 #define BUTTON_BUT_BIT (1 << BUTTON_BUT) /* Alternate function pin selections ****************************************/ /* USART1 */ #define GPIO_USART1_RX GPIO_USART1_RX_2 /* PB7 */ #define GPIO_USART1_TX GPIO_USART1_TX_2 /* PB6 */ /* USART2 */ #define GPIO_USART2_RX GPIO_USART2_RX_2 /* PD6 */ #define GPIO_USART2_TX GPIO_USART2_TX_2 /* PD5 */ /* USART3 */ #define GPIO_USART3_RX GPIO_USART3_RX_1 /* PB11 */ #define GPIO_USART3_TX GPIO_USART3_TX_1 /* PB10 */ /* CAN */ #define GPIO_CAN1_RX GPIO_CAN1_RX_2 /* PB8 */ #define GPIO_CAN1_TX GPIO_CAN1_TX_2 /* PB9 */ /* I2C */ #define GPIO_I2C1_SCL GPIO_I2C1_SCL_1 /* PB6 */ #define GPIO_I2C1_SDA GPIO_I2C1_SDA_1 /* PB7 */ /* SPI1 */ #define GPIO_SPI1_SCK GPIO_SPI1_SCK_1 /* PA5 */ #define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_2 /* PB5 */ #define GPIO_SPI1_MISO GPIO_SPI1_MISO_1 /* PA6 */ /* Ethernet *****************************************************************/ #if defined(CONFIG_STM32_ETHMAC) /* RMII interface to the LAN8710 PHY (works with LAN8720 driver) */ # ifndef CONFIG_STM32_RMII # error CONFIG_STM32_RMII must be defined # endif /* Clocking is provided by an external 50Mhz XTAL */ # ifndef CONFIG_STM32_RMII_EXTCLK # error CONFIG_STM32_RMII_EXTCLK must be defined # endif /* Pin disambiguation */ # define GPIO_ETH_MII_COL GPIO_ETH_MII_COL_1 /* PA3 */ # define GPIO_ETH_RMII_TXD0 GPIO_ETH_RMII_TXD0_2 /* PG13 */ # define GPIO_ETH_RMII_TXD1 GPIO_ETH_RMII_TXD1_2 /* PG14 */ # define GPIO_ETH_RMII_TX_EN GPIO_ETH_RMII_TX_EN_2 /* PG11 */ #endif #endif /* __BOARDS_ARM_STM32_OLIMEX_STM32_E407_INCLUDE_BOARD_H */