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nuttx/boards/arm/stm32u5/b-u585i-iot02a/include/board.h
Michael Jung 6086f42bfb b-u585i-iot02a: Board Support 
Support for the STMicroelectronics B-U585I-IOT02A development board. This
is a proof-of-concept port that demonstrates running NuttX as the
Non-Secure TrustZone domain companion to TrustedFirmware-M.

Signed-off-by: Michael Jung <mijung@gmx.net>
2022-02-13 16:32:35 +08:00

223 lines
8.3 KiB
C
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/****************************************************************************
* 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 <nuttx/config.h>
#include <stm32_gpio.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
#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 (STM32_RCC_CFGR_HPRE) (Max 160MHz)
* AHB Prescaler : 1 (STM32_RCC_CFGR_HPRE) (Max 160MHz)
* APB1 Prescaler : 1 (STM32_RCC_CFGR_PPRE1) (Max 160MHz)
* APB2 Prescaler : 1 (STM32_RCC_CFGR_PPRE2) (Max 160MHz)
* APB3 Prescaler : 1 (STM32_RCC_CFGR_PPRE2) (Max 160MHz)
* MSIS Frequency(Hz) : 4000000 (nominal)
* MSIK Frequency(Hz) : 4000000 (nominal)
* PLL_MBOOST : 1
* 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_USEMSI 1
#define STM32_BOARD_MSIRANGE RCC_CR_MSIRANGE_4M
/* prescaler common to all PLL inputs */
#define STM32_PLLCFG_PLLM RCC_PLLCFG_PLLM(1)
/* 'main' PLL config; we use this to generate our system clock */
#define STM32_PLLCFG_PLLN RCC_PLLCFG_PLLN(55)
#define STM32_PLLCFG_PLLP 0
#undef STM32_PLLCFG_PLLP_ENABLED
#define STM32_PLLCFG_PLLQ 0
#undef STM32_PLLCFG_PLLQ_ENABLED
#define STM32_PLLCFG_PLLR RCC_PLLCFG_PLLR_2
#define STM32_PLLCFG_PLLR_ENABLED
/* 'SAIPLL1' is not used in this application */
#define STM32_PLLSAI1CFG_PLLN RCC_PLLSAI1CFG_PLLN(24)
#define STM32_PLLSAI1CFG_PLLP 0
#undef STM32_PLLSAI1CFG_PLLP_ENABLED
#define STM32_PLLSAI1CFG_PLLQ 0
#undef STM32_PLLSAI1CFG_PLLQ_ENABLED
#define STM32_PLLSAI1CFG_PLLR 0
#undef STM32_PLLSAI1CFG_PLLR_ENABLED
/* 'SAIPLL2' is not used in this application */
#define STM32_PLLSAI2CFG_PLLN RCC_PLLSAI2CFG_PLLN(8)
#define STM32_PLLSAI2CFG_PLLP 0
#undef STM32_PLLSAI2CFG_PLLP_ENABLED
#define STM32_PLLSAI2CFG_PLLR 0
#undef STM32_PLLSAI2CFG_PLLR_ENABLED
#define STM32_SYSCLK_FREQUENCY 160000000ul
/* Enable CLK48; get it from HSI48 */
#if defined(CONFIG_STM32U5_USBFS) || defined(CONFIG_STM32U5_RNG)
# define STM32_USE_CLK48 1
# define STM32_CLK48_SEL RCC_CCIPR_CLK48SEL_HSI48
# define STM32_HSI48_SYNCSRC SYNCSRC_NONE
#endif
/* Enable LSE (for the RTC and for MSI autotrimming) */
#define STM32_USE_LSE 1
/* Configure the HCLK divisor (for the AHB bus, core, memory, and DMA */
#define STM32_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK /* HCLK = SYSCLK / 1 */
#define STM32_HCLK_FREQUENCY STM32_SYSCLK_FREQUENCY
/* Configure the APB1 prescaler */
#define STM32_RCC_CFGR_PPRE1 RCC_CFGR_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_CFGR_PPRE2 RCC_CFGR_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)
/* 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 */
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