/**************************************************************************** * boards/arm/stm32u5/b-u585i-iot02a/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_STM32U5_B_U585I_IOT02A_INCLUDE_BOARD_H #define __BOARDS_ARM_STM32U5_B_U585I_IOT02A_INCLUDE_BOARD_H /**************************************************************************** * Included Files ****************************************************************************/ #include #ifndef __ASSEMBLY__ # include #endif /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* Clocking *****************************************************************/ /* The B-U585I-IOT02A board supports both HSE and LSE crystals (X1 and X2). * However, as shipped, the X1 crystal is not populated. Therefore the board * will need to run off the 32kHz-sync'ed MSIS. * * System Clock source : PLL (MSIS) * SYSCLK(Hz) : 160000000 Determined by PLL configuration * HCLK(Hz) : 160000000 * AHB Prescaler : 1 (STM32_RCC_CFGR2_HPRE) (160MHz) * APB1 Prescaler : 1 (STM32_RCC_CFGR2_PPRE1) (160MHz) * APB2 Prescaler : 1 (STM32_RCC_CFGR2_PPRE2) (160MHz) * APB3 Prescaler : 1 (STM32_RCC_CFGR3_PPRE3) (160MHz) * MSIS Frequency(Hz) : 4000000 (nominal) * MSIK Frequency(Hz) : 4000000 (nominal) * PLL_MBOOST : 1 (Embedded power distribution booster) * PLLM : 1 (STM32_PLLCFG_PLLM) * PLLN : 80 (STM32_PLLCFG_PLLN) * PLLP : 2 (STM32_PLLCFG_PLLP) * PLLQ : 2 (STM32_PLLCFG_PLLQ) * PLLR : 2 (STM32_PLLCFG_PLLR) * Flash Latency(WS) : 4 */ /* HSI - 16 MHz RC factory-trimmed * LSI - 32 KHz RC * MSI - 4 MHz, autotrimmed via LSE * HSE - not installed * LSE - 32.768 kHz installed */ #define STM32_HSI_FREQUENCY 16000000ul #define STM32_LSI_FREQUENCY 32000 #define STM32_LSE_FREQUENCY 32768 #define STM32_BOARD_USEMSIS 1 #define STM32_BOARD_MSISRANGE RCC_ICSCR1_MSISRANGE_4MHZ #define STM32_BOARD_MSIKRANGE RCC_ICSCR1_MSIKRANGE_4MHZ /* PLL1 config; we use this to generate our system clock */ #define STM32_RCC_PLL1CFGR_PLL1M RCC_PLL1CFGR_PLL1M(1) #define STM32_RCC_PLL1DIVR_PLL1N RCC_PLL1DIVR_PLL1N(80) #define STM32_RCC_PLL1DIVR_PLL1P 0 #undef STM32_RCC_PLL1CFGR_PLL1P_ENABLED #define STM32_RCC_PLL1DIVR_PLL1Q 0 #undef STM32_RCC_PLL1CFGR_PLL1Q_ENABLED #define STM32_RCC_PLL1DIVR_PLL1R RCC_PLL1DIVR_PLL1R(2) #define STM32_RCC_PLL1CFGR_PLL1R_ENABLED #define STM32_SYSCLK_FREQUENCY 160000000ul /* Enable LSE (for the RTC and for MSIS autotrimming) */ #define STM32_USE_LSE 1 /* Configure the HCLK divisor (for the AHB bus, core, memory, and DMA */ #define STM32_RCC_CFGR2_HPRE RCC_CFGR2_HPRE_SYSCLK /* HCLK = SYSCLK / 1 */ #define STM32_HCLK_FREQUENCY STM32_SYSCLK_FREQUENCY /* Configure the APB1 prescaler */ #define STM32_RCC_CFGR2_PPRE1 RCC_CFGR2_PPRE1_HCLK /* PCLK1 = HCLK / 1 */ #define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY / 1) #define STM32_APB1_TIM2_CLKIN (STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM3_CLKIN (STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM4_CLKIN (STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM5_CLKIN (STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM6_CLKIN (STM32_PCLK1_FREQUENCY) #define STM32_APB1_TIM7_CLKIN (STM32_PCLK1_FREQUENCY) /* Configure the APB2 prescaler */ #define STM32_RCC_CFGR2_PPRE2 RCC_CFGR2_PPRE2_HCLK /* PCLK2 = HCLK / 1 */ #define STM32_PCLK2_FREQUENCY (STM32_HCLK_FREQUENCY / 1) #define STM32_APB2_TIM1_CLKIN (STM32_PCLK2_FREQUENCY) #define STM32_APB2_TIM15_CLKIN (STM32_PCLK2_FREQUENCY) #define STM32_APB2_TIM16_CLKIN (STM32_PCLK2_FREQUENCY) /* Configure the APB3 prescaler */ #define STM32_RCC_CFGR3_PPRE3 RCC_CFGR3_PPRE3_HCLK /* PCLK3 = HCLK / 1 */ #define STM32_PCLK3_FREQUENCY (STM32_HCLK_FREQUENCY / 1) /* The timer clock frequencies are automatically defined by hardware. If the * APB prescaler equals 1, the timer clock frequencies are set to the same * frequency as that of the APB domain. Otherwise they are set to twice. * Note: TIM1,15,16 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_TIM15_FREQUENCY STM32_HCLK_FREQUENCY #define BOARD_TIM16_FREQUENCY STM32_HCLK_FREQUENCY #define BOARD_LPTIM1_FREQUENCY STM32_HCLK_FREQUENCY #define BOARD_LPTIM2_FREQUENCY STM32_HCLK_FREQUENCY /* DMA Channel/Stream Selections ********************************************/ /* Alternate function pin selections ****************************************/ /* USART1: Connected to STLink VCP and to CN9. */ #define GPIO_USART1_RX GPIO_USART1_RX_1 /* PA10 */ #define GPIO_USART1_TX GPIO_USART1_TX_1 /* PA9 */ /* SPI1: Arduino Connector CN13 */ #define GPIO_SPI1_NSS (GPIO_OUTPUT|GPIO_SPEED_2MHZ| \ GPIO_PUSHPULL|GPIO_OUTPUT_SET| \ GPIO_PORTE|GPIO_PIN12) /* PE12 */ #define GPIO_SPI1_SCK (GPIO_SPI1_SCK_4|GPIO_SPEED_25MHZ) /* PE13 */ #define GPIO_SPI1_MISO (GPIO_SPI1_MISO_4) /* PE14 */ #define GPIO_SPI1_MOSI (GPIO_SPI1_MOSI_4|GPIO_SPEED_25MHZ) /* PE15 */ /**************************************************************************** * Public Data ****************************************************************************/ #ifndef __ASSEMBLY__ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /**************************************************************************** * Public Function Prototypes ****************************************************************************/ /**************************************************************************** * Name: stm32_board_initialize * * Description: * All STM32 architectures must provide the following entry point. * This entry point is called early in the initialization -- after all * memory has been configured and mapped but before any devices * have been initialized. * ****************************************************************************/ void stm32_board_initialize(void); #undef EXTERN #if defined(__cplusplus) } #endif #endif /* __ASSEMBLY__ */ #endif /* __BOARDS_ARM_STM32U5_B_U585I_IOT02A_INCLUDE_BOARD_H */