[PATCH 1/7] bsps/stm32h7: add board C files for stm32h757i-eval BSP
Karel Gardas
karel at functional.vision
Mon May 16 12:12:48 UTC 2022
Sponsored-By: Precidata
---
.../stm/stm32h757i-eval/stm32h7-config-clk.c | 45 +
.../stm/stm32h757i-eval/stm32h7-config-osc.c | 53 ++
.../stm/stm32h757i-eval/stm32h7-config-per.c | 39 +
.../stm/stm32h757i-eval/system_stm32h7xx.c | 794 ++++++++++++++++++
4 files changed, 931 insertions(+)
create mode 100644 bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-config-clk.c
create mode 100644 bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-config-osc.c
create mode 100644 bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-config-per.c
create mode 100644 bsps/arm/stm32h7/boards/stm/stm32h757i-eval/system_stm32h7xx.c
diff --git a/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-config-clk.c b/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-config-clk.c
new file mode 100644
index 0000000000..c4ea947c3c
--- /dev/null
+++ b/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-config-clk.c
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2022 Karel Gardas <karel at functional.vision>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stm32h7/hal.h>
+
+const RCC_ClkInitTypeDef stm32h7_config_clocks = {
+ .ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
+ | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2
+ | RCC_CLOCKTYPE_D3PCLK1 | RCC_CLOCKTYPE_D1PCLK1,
+ .SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK,
+ .SYSCLKDivider = RCC_SYSCLK_DIV1,
+ .AHBCLKDivider = RCC_HCLK_DIV2,
+ .APB3CLKDivider = RCC_APB3_DIV2,
+ .APB1CLKDivider = RCC_APB1_DIV2,
+ .APB2CLKDivider = RCC_APB2_DIV2,
+ .APB4CLKDivider = RCC_APB4_DIV2
+};
diff --git a/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-config-osc.c b/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-config-osc.c
new file mode 100644
index 0000000000..8f23508cbb
--- /dev/null
+++ b/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-config-osc.c
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2022 Karel Gardas <karel at functional.vision>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stm32h7/hal.h>
+
+const RCC_OscInitTypeDef stm32h7_config_oscillator = {
+ .OscillatorType = RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_HSE
+ | RCC_OSCILLATORTYPE_HSI48,
+ .HSEState = RCC_HSE_ON,
+ .LSEState = RCC_LSE_OFF,
+ .HSIState = RCC_HSI_DIV1,
+ .HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT,
+ .HSI48State = RCC_HSI48_ON,
+ .CSIState = RCC_CSI_OFF,
+ .PLL.PLLState = RCC_PLL_ON,
+ .PLL.PLLSource = RCC_PLLSOURCE_HSE,
+ .PLL.PLLM = 2,
+ .PLL.PLLN = 64,
+ .PLL.PLLFRACN = 0,
+ .PLL.PLLP = 2,
+ .PLL.PLLR = 2,
+ .PLL.PLLQ = 6,
+ .PLL.PLLVCOSEL = RCC_PLL1VCOWIDE,
+ .PLL.PLLRGE = RCC_PLL1VCIRANGE_3
+};
diff --git a/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-config-per.c b/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-config-per.c
new file mode 100644
index 0000000000..a72b0b2ef5
--- /dev/null
+++ b/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/stm32h7-config-per.c
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2022 Karel Gardas <karel at functional.vision>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stm32h7/hal.h>
+
+const RCC_PeriphCLKInitTypeDef stm32h7_config_peripheral_clocks = {
+ /* for stm32h757-eval BSP we provide only minimalistic peripheral
+ configuration just to make available U(S)ART working */
+ .PeriphClockSelection = RCC_PERIPHCLK_USART1,
+ .Usart16ClockSelection = RCC_USART16CLKSOURCE_D2PCLK2
+};
diff --git a/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/system_stm32h7xx.c b/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/system_stm32h7xx.c
new file mode 100644
index 0000000000..4c04e64e39
--- /dev/null
+++ b/bsps/arm/stm32h7/boards/stm/stm32h757i-eval/system_stm32h7xx.c
@@ -0,0 +1,794 @@
+/**
+ ******************************************************************************
+ * @file system_stm32h7xx.c
+ * @author MCD Application Team
+ * @brief CMSIS Cortex-Mx Device Peripheral Access Layer System Source File.
+ *
+ * This file provides two functions and one global variable to be called from
+ * user application:
+ * - SystemInit(): This function is called at startup just after reset and
+ * before branch to main program. This call is made inside
+ * the "startup_stm32h7xx.s" file.
+ *
+ * - SystemCoreClock variable: Contains the core clock (HCLK), it can be used
+ * by the user application to setup the SysTick
+ * timer or configure other parameters.
+ *
+ * - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must
+ * be called whenever the core clock is changed
+ * during program execution.
+ *
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2019 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software is licensed under terms that can be found in the LICENSE file
+ * in the root directory of this software component.
+ * If no LICENSE file comes with this software, it is provided AS-IS.
+ *
+ ******************************************************************************
+ */
+
+/** @addtogroup CMSIS
+ * @{
+ */
+
+/** @addtogroup stm32h7xx_system
+ * @{
+ */
+
+/** @addtogroup STM32H7xx_System_Private_Includes
+ * @{
+ */
+
+#include "stm32h7xx.h"
+#include <math.h>
+#ifdef __rtems__
+#include <bsp/linker-symbols.h>
+#endif /* __rtems__ */
+#if !defined (HSE_VALUE)
+#define HSE_VALUE ((uint32_t)25000000) /*!< Value of the External oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#if !defined (CSI_VALUE)
+ #define CSI_VALUE ((uint32_t)4000000) /*!< Value of the Internal oscillator in Hz*/
+#endif /* CSI_VALUE */
+
+#if !defined (HSI_VALUE)
+ #define HSI_VALUE ((uint32_t)64000000) /*!< Value of the Internal oscillator in Hz*/
+#endif /* HSI_VALUE */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32H7xx_System_Private_TypesDefinitions
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32H7xx_System_Private_Defines
+ * @{
+ */
+
+/************************* Miscellaneous Configuration ************************/
+/*!< Uncomment the following line if you need to use external SRAM or SDRAM mounted
+ on EVAL board as data memory */
+#define DATA_IN_ExtSRAM
+#define DATA_IN_ExtSDRAM
+
+/*!< Uncomment the following line if you need to relocate your vector Table in
+ Internal SRAM. */
+/* #define VECT_TAB_SRAM */
+#define VECT_TAB_OFFSET 0x00000000UL /*!< Vector Table base offset field.
+ This value must be a multiple of 0x200. */
+/******************************************************************************/
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32H7xx_System_Private_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32H7xx_System_Private_Variables
+ * @{
+ */
+ /* This variable is updated in three ways:
+ 1) by calling CMSIS function SystemCoreClockUpdate()
+ 2) by calling HAL API function HAL_RCC_GetHCLKFreq()
+ 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
+ Note: If you use this function to configure the system clock; then there
+ is no need to call the 2 first functions listed above, since SystemCoreClock
+ variable is updated automatically.
+ */
+#ifndef __rtems__
+ uint32_t SystemCoreClock = 64000000;
+ uint32_t SystemD2Clock = 64000000;
+#else /* __rtems__ */
+ RTEMS_SECTION(".rtemsstack") uint32_t SystemCoreClock;
+ RTEMS_SECTION(".rtemsstack") uint32_t SystemD2Clock;
+#endif /* __rtems__ */
+ const uint8_t D1CorePrescTable[16] = {0, 0, 0, 0, 1, 2, 3, 4, 1, 2, 3, 4, 6, 7, 8, 9};
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32H7xx_System_Private_FunctionPrototypes
+ * @{
+ */
+#ifndef __rtems__
+#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
+ static void SystemInit_ExtMemCtl(void);
+#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */
+#endif /* __rtems__ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32H7xx_System_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief Setup the microcontroller system
+ * Initialize the FPU setting, vector table location and External memory
+ * configuration.
+ * @param None
+ * @retval None
+ */
+void SystemInit (void)
+{
+ /* FPU settings ------------------------------------------------------------*/
+ #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
+ SCB->CPACR |= ((3UL << (10*2))|(3UL << (11*2))); /* set CP10 and CP11 Full Access */
+ #endif
+
+ /*SEVONPEND enabled so that an interrupt coming from the CPU(n) interrupt signal is
+ detectable by the CPU after a WFI/WFE instruction.*/
+ SCB->SCR |= SCB_SCR_SEVONPEND_Msk;
+
+#ifdef CORE_CM7
+ /* Reset the RCC clock configuration to the default reset state ------------*/
+ /* Set HSION bit */
+ RCC->CR |= RCC_CR_HSION;
+
+ /* Reset CFGR register */
+ RCC->CFGR = 0x00000000;
+
+ /* Reset HSEON, CSSON , CSION,RC48ON, CSIKERON PLL1ON, PLL2ON and PLL3ON bits */
+ RCC->CR &= 0xEAF6ED7FU;
+
+ /* Reset D1CFGR register */
+ RCC->D1CFGR = 0x00000000;
+
+ /* Reset D2CFGR register */
+ RCC->D2CFGR = 0x00000000;
+
+ /* Reset D3CFGR register */
+ RCC->D3CFGR = 0x00000000;
+
+ /* Reset PLLCKSELR register */
+ RCC->PLLCKSELR = 0x00000000;
+
+ /* Reset PLLCFGR register */
+ RCC->PLLCFGR = 0x00000000;
+ /* Reset PLL1DIVR register */
+ RCC->PLL1DIVR = 0x00000000;
+ /* Reset PLL1FRACR register */
+ RCC->PLL1FRACR = 0x00000000;
+
+ /* Reset PLL2DIVR register */
+ RCC->PLL2DIVR = 0x00000000;
+
+ /* Reset PLL2FRACR register */
+
+ RCC->PLL2FRACR = 0x00000000;
+ /* Reset PLL3DIVR register */
+ RCC->PLL3DIVR = 0x00000000;
+
+ /* Reset PLL3FRACR register */
+ RCC->PLL3FRACR = 0x00000000;
+
+ /* Reset HSEBYP bit */
+ RCC->CR &= 0xFFFBFFFFU;
+
+ /* Disable all interrupts */
+ RCC->CIER = 0x00000000;
+
+ /* Enable CortexM7 HSEM EXTI line (line 78)*/
+ EXTI_D2->EMR3 |= 0x4000UL;
+
+ /* Change the switch matrix read issuing capability to 1 for the AXI SRAM target (Target 7) */
+ if((DBGMCU->IDCODE & 0xFFFF0000U) < 0x20000000U)
+ {
+ /* if stm32h7 revY*/
+ /* Change the switch matrix read issuing capability to 1 for the AXI SRAM target (Target 7) */
+ *((__IO uint32_t*)0x51008108) = 0x00000001U;
+ }
+
+
+/*
+ * Disable the FMC bank1 (enabled after reset).
+ * This, prevents CPU speculation access on this bank which blocks the use of FMC during
+ * 24us. During this time the others FMC master (such as LTDC) cannot use it!
+ */
+ FMC_Bank1_R->BTCR[0] = 0x000030D2;
+
+#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
+ SystemInit_ExtMemCtl();
+#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */
+
+#endif /* CORE_CM7*/
+
+#ifndef __rtems__
+#ifdef CORE_CM4
+
+ /* Configure the Vector Table location add offset address ------------------*/
+#ifdef VECT_TAB_SRAM
+ SCB->VTOR = D2_AXISRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
+#else
+ SCB->VTOR = FLASH_BANK2_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
+#endif
+
+#else
+#ifdef CORE_CM7
+
+ /* Configure the Vector Table location add offset address ------------------*/
+#ifdef VECT_TAB_SRAM
+ SCB->VTOR = D1_AXISRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
+#else
+ SCB->VTOR = FLASH_BANK1_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
+#endif
+
+#else
+#error Please #define CORE_CM4 or CORE_CM7
+#endif
+#endif
+
+#else /* __rtems__ */
+ SCB->VTOR = (uint32_t) bsp_start_vector_table_begin;
+#endif /* __rtems__ */
+
+}
+
+/**
+ * @brief Update SystemCoreClock variable according to Clock Register Values.
+ * The SystemCoreClock variable contains the core clock , it can
+ * be used by the user application to setup the SysTick timer or configure
+ * other parameters.
+ *
+ * @note Each time the core clock changes, this function must be called
+ * to update SystemCoreClock variable value. Otherwise, any configuration
+ * based on this variable will be incorrect.
+ *
+ * @note - The system frequency computed by this function is not the real
+ * frequency in the chip. It is calculated based on the predefined
+ * constant and the selected clock source:
+ *
+ * - If SYSCLK source is CSI, SystemCoreClock will contain the CSI_VALUE(*)
+ * - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(**)
+ * - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(***)
+ * - If SYSCLK source is PLL, SystemCoreClock will contain the CSI_VALUE(*),
+ * HSI_VALUE(**) or HSE_VALUE(***) multiplied/divided by the PLL factors.
+ *
+ * (*) CSI_VALUE is a constant defined in stm32h7xx_hal.h file (default value
+ * 4 MHz) but the real value may vary depending on the variations
+ * in voltage and temperature.
+ * (**) HSI_VALUE is a constant defined in stm32h7xx_hal.h file (default value
+ * 64 MHz) but the real value may vary depending on the variations
+ * in voltage and temperature.
+ *
+ * (***)HSE_VALUE is a constant defined in stm32h7xx_hal.h file (default value
+ * 25 MHz), user has to ensure that HSE_VALUE is same as the real
+ * frequency of the crystal used. Otherwise, this function may
+ * have wrong result.
+ *
+ * - The result of this function could be not correct when using fractional
+ * value for HSE crystal.
+ * @param None
+ * @retval None
+ */
+void SystemCoreClockUpdate (void)
+{
+ uint32_t pllp, pllsource, pllm, pllfracen, hsivalue, tmp;
+ uint32_t common_system_clock;
+ float_t fracn1, pllvco;
+
+ /* Get SYSCLK source -------------------------------------------------------*/
+
+ switch (RCC->CFGR & RCC_CFGR_SWS)
+ {
+ case RCC_CFGR_SWS_HSI: /* HSI used as system clock source */
+ common_system_clock = (uint32_t) (HSI_VALUE >> ((RCC->CR & RCC_CR_HSIDIV)>> 3));
+ break;
+
+ case RCC_CFGR_SWS_CSI: /* CSI used as system clock source */
+ common_system_clock = CSI_VALUE;
+ break;
+
+ case RCC_CFGR_SWS_HSE: /* HSE used as system clock source */
+ common_system_clock = HSE_VALUE;
+ break;
+
+ case RCC_CFGR_SWS_PLL1: /* PLL1 used as system clock source */
+
+ /* PLL_VCO = (HSE_VALUE or HSI_VALUE or CSI_VALUE/ PLLM) * PLLN
+ SYSCLK = PLL_VCO / PLLR
+ */
+ pllsource = (RCC->PLLCKSELR & RCC_PLLCKSELR_PLLSRC);
+ pllm = ((RCC->PLLCKSELR & RCC_PLLCKSELR_DIVM1)>> 4) ;
+ pllfracen = ((RCC->PLLCFGR & RCC_PLLCFGR_PLL1FRACEN)>>RCC_PLLCFGR_PLL1FRACEN_Pos);
+ fracn1 = (float_t)(uint32_t)(pllfracen* ((RCC->PLL1FRACR & RCC_PLL1FRACR_FRACN1)>> 3));
+
+ if (pllm != 0U)
+ {
+ switch (pllsource)
+ {
+ case RCC_PLLCKSELR_PLLSRC_HSI: /* HSI used as PLL clock source */
+
+ hsivalue = (HSI_VALUE >> ((RCC->CR & RCC_CR_HSIDIV)>> 3)) ;
+ pllvco = ( (float_t)hsivalue / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 );
+
+ break;
+
+ case RCC_PLLCKSELR_PLLSRC_CSI: /* CSI used as PLL clock source */
+ pllvco = ((float_t)CSI_VALUE / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 );
+ break;
+
+ case RCC_PLLCKSELR_PLLSRC_HSE: /* HSE used as PLL clock source */
+ pllvco = ((float_t)HSE_VALUE / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 );
+ break;
+
+ default:
+ pllvco = ((float_t)CSI_VALUE / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 );
+ break;
+ }
+ pllp = (((RCC->PLL1DIVR & RCC_PLL1DIVR_P1) >>9) + 1U ) ;
+ common_system_clock = (uint32_t)(float_t)(pllvco/(float_t)pllp);
+ }
+ else
+ {
+ common_system_clock = 0U;
+ }
+ break;
+
+ default:
+ common_system_clock = CSI_VALUE;
+ break;
+ }
+
+ /* Compute SystemClock frequency --------------------------------------------------*/
+ tmp = D1CorePrescTable[(RCC->D1CFGR & RCC_D1CFGR_D1CPRE)>> RCC_D1CFGR_D1CPRE_Pos];
+
+ /* common_system_clock frequency : CM7 CPU frequency */
+ common_system_clock >>= tmp;
+
+ /* SystemD2Clock frequency : CM4 CPU, AXI and AHBs Clock frequency */
+ SystemD2Clock = (common_system_clock >> ((D1CorePrescTable[(RCC->D1CFGR & RCC_D1CFGR_HPRE)>> RCC_D1CFGR_HPRE_Pos]) & 0x1FU));
+
+#if defined(DUAL_CORE) && defined(CORE_CM4)
+ SystemCoreClock = SystemD2Clock;
+#else
+ SystemCoreClock = common_system_clock;
+#endif /* DUAL_CORE && CORE_CM4 */
+}
+#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
+/**
+ * @brief Setup the external memory controller.
+ * Called in startup_stm32h7xx.s before jump to main.
+ * This function configures the external memories (SRAM/SDRAM)
+ * This SRAM/SDRAM will be used as program data memory (including heap and stack).
+ * @param None
+ * @retval None
+ */
+void SystemInit_ExtMemCtl(void)
+{
+ __IO uint32_t tmp = 0;
+
+#if defined (DATA_IN_ExtSDRAM) && defined (DATA_IN_ExtSRAM)
+ register uint32_t tmpreg = 0, timeout = 0xFFFF;
+ register __IO uint32_t index;
+
+ /* Enable GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface
+ clock */
+ RCC->AHB4ENR |= 0x000001F8;
+
+ /* Delay after an RCC peripheral clock enabling */
+ tmp = READ_BIT(RCC->AHB4ENR, RCC_AHB4ENR_GPIOEEN);
+
+ /* Connect PDx pins to FMC Alternate function */
+ GPIOD->AFR[0] = 0x00CC00CC;
+ GPIOD->AFR[1] = 0xCCCCCCCC;
+ /* Configure PDx pins in Alternate function mode */
+ GPIOD->MODER = 0xAAAAFAFA;
+ /* Configure PDx pins speed to 100 MHz */
+ GPIOD->OSPEEDR = 0xFFFF0F0F;
+ /* Configure PDx pins Output type to push-pull */
+ GPIOD->OTYPER = 0x00000000;
+ /* Configure PDx pins in Pull-up */
+ GPIOD->PUPDR = 0x55550505;
+
+ /* Connect PEx pins to FMC Alternate function */
+ GPIOE->AFR[0] = 0xC00CC0CC;
+ GPIOE->AFR[1] = 0xCCCCCCCC;
+ /* Configure PEx pins in Alternate function mode */
+ GPIOE->MODER = 0xAAAABEBA;
+ /* Configure PEx pins speed to 100 MHz */
+ GPIOE->OSPEEDR = 0xFFFFC3CF;
+ /* Configure PEx pins Output type to push-pull */
+ GPIOE->OTYPER = 0x00000000;
+ /* Configure PEx pins in Pull-up */
+ GPIOE->PUPDR = 0x55554145;
+
+ /* Connect PFx pins to FMC Alternate function */
+ GPIOF->AFR[0] = 0x00CCCCCC;
+ GPIOF->AFR[1] = 0xCCCCC000;
+ /* Configure PFx pins in Alternate function mode */
+ GPIOF->MODER = 0xAABFFAAA;
+ /* Configure PFx pins speed to 100 MHz */
+ GPIOF->OSPEEDR = 0xFFC00FFF;
+ /* Configure PFx pins Output type to push-pull */
+ GPIOF->OTYPER = 0x00000000;
+ /* Configure PFx pins in Pull-up */
+ GPIOF->PUPDR = 0x55400555;
+
+ /* Connect PGx pins to FMC Alternate function */
+ GPIOG->AFR[0] = 0x00CCCCCC;
+ GPIOG->AFR[1] = 0xC0000C0C;
+ /* Configure PGx pins in Alternate function mode */
+ GPIOG->MODER = 0xBFEEFAAA;
+ /* Configure PGx pins speed to 100 MHz */
+ GPIOG->OSPEEDR = 0xC0330FFF;
+ /* Configure PGx pins Output type to push-pull */
+ GPIOG->OTYPER = 0x00000000;
+ /* Configure PGx pins in Pull-up */
+ GPIOG->PUPDR = 0x40110555;
+
+ /* Connect PHx pins to FMC Alternate function */
+ GPIOH->AFR[0] = 0xCCC00000;
+ GPIOH->AFR[1] = 0xCCCCCCCC;
+ /* Configure PHx pins in Alternate function mode */
+ GPIOH->MODER = 0xAAAAABFF;
+ /* Configure PHx pins speed to 100 MHz */
+ GPIOH->OSPEEDR = 0xFFFFFC00;
+ /* Configure PHx pins Output type to push-pull */
+ GPIOH->OTYPER = 0x00000000;
+ /* Configure PHx pins in Pull-up */
+ GPIOH->PUPDR = 0x55555400;
+
+ /* Connect PIx pins to FMC Alternate function */
+ GPIOI->AFR[0] = 0xCCCCCCCC;
+ GPIOI->AFR[1] = 0x00000CC0;
+ /* Configure PIx pins in Alternate function mode */
+ GPIOI->MODER = 0xFFEBAAAA;
+ /* Configure PIx pins speed to 100 MHz */
+ GPIOI->OSPEEDR = 0x003CFFFF;
+ /* Configure PIx pins Output type to push-pull */
+ GPIOI->OTYPER = 0x00000000;
+ /* Configure PIx pins in Pull-up */
+ GPIOI->PUPDR = 0x00145555;
+
+ /* Enable the FMC/FSMC interface clock */
+ (RCC->AHB3ENR |= (RCC_AHB3ENR_FMCEN));
+
+ /* Configure and enable Bank1_SRAM2 */
+ FMC_Bank1_R->BTCR[4] = 0x00001091;
+ FMC_Bank1_R->BTCR[5] = 0x00110212;
+ FMC_Bank1E_R->BWTR[4] = 0x0FFFFFFF;
+
+ /*SDRAM Timing and access interface configuration*/
+ /*LoadToActiveDelay = 2
+ ExitSelfRefreshDelay = 6
+ SelfRefreshTime = 4
+ RowCycleDelay = 6
+ WriteRecoveryTime = 2
+ RPDelay = 2
+ RCDDelay = 2
+ SDBank = FMC_SDRAM_BANK2
+ ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_9
+ RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_12
+ MemoryDataWidth = FMC_SDRAM_MEM_BUS_WIDTH_32
+ InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4
+ CASLatency = FMC_SDRAM_CAS_LATENCY_2
+ WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE
+ SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_2
+ ReadBurst = FMC_SDRAM_RBURST_ENABLE
+ ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_0*/
+
+ FMC_Bank5_6_R->SDCR[0] = 0x00001800;
+ FMC_Bank5_6_R->SDCR[1] = 0x00000165;
+ FMC_Bank5_6_R->SDTR[0] = 0x00105000;
+ FMC_Bank5_6_R->SDTR[1] = 0x01010351;
+
+ /* SDRAM initialization sequence */
+ /* Clock enable command */
+ FMC_Bank5_6_R->SDCMR = 0x00000009;
+ tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020;
+ }
+
+ /* Delay */
+ for (index = 0; index<1000; index++);
+
+ /* PALL command */
+ FMC_Bank5_6_R->SDCMR = 0x0000000A;
+ timeout = 0xFFFF;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020;
+ }
+
+ FMC_Bank5_6_R->SDCMR = 0x000000EB;
+ timeout = 0xFFFF;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020;
+ }
+
+ FMC_Bank5_6_R->SDCMR = 0x0004400C;
+ timeout = 0xFFFF;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020;
+ }
+ /* Set refresh count */
+ tmpreg = FMC_Bank5_6_R->SDRTR;
+ FMC_Bank5_6_R->SDRTR = (tmpreg | (0x00000603<<1));
+
+ /* Disable write protection */
+ tmpreg = FMC_Bank5_6_R->SDCR[1];
+ FMC_Bank5_6_R->SDCR[1] = (tmpreg & 0xFFFFFDFF);
+
+ /*FMC controller Enable*/
+ FMC_Bank1_R->BTCR[0] |= 0x80000000;
+
+#elif defined (DATA_IN_ExtSDRAM)
+ register uint32_t tmpreg = 0, timeout = 0xFFFF;
+ register __IO uint32_t index;
+
+ /* Enable GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface
+ clock */
+ RCC->AHB4ENR |= 0x000001F8;
+
+ /* Connect PDx pins to FMC Alternate function */
+ GPIOD->AFR[0] = 0x000000CC;
+ GPIOD->AFR[1] = 0xCC000CCC;
+ /* Configure PDx pins in Alternate function mode */
+ GPIOD->MODER = 0xAFEAFFFA;
+ /* Configure PDx pins speed to 100 MHz */
+ GPIOD->OSPEEDR = 0xF03F000F;
+ /* Configure PDx pins Output type to push-pull */
+ GPIOD->OTYPER = 0x00000000;
+ /* Configure PDx pins in Pull-up */
+ GPIOD->PUPDR = 0x50150005;
+
+ /* Connect PEx pins to FMC Alternate function */
+ GPIOE->AFR[0] = 0xC00000CC;
+ GPIOE->AFR[1] = 0xCCCCCCCC;
+ /* Configure PEx pins in Alternate function mode */
+ GPIOE->MODER = 0xAAAABFFA;
+ /* Configure PEx pins speed to 100 MHz */
+ GPIOE->OSPEEDR = 0xFFFFC00F;
+ /* Configure PEx pins Output type to push-pull */
+ GPIOE->OTYPER = 0x00000000;
+ /* Configure PEx pins in Pull-up */
+ GPIOE->PUPDR = 0x55554005;
+
+ /* Connect PFx pins to FMC Alternate function */
+ GPIOF->AFR[0] = 0x00CCCCCC;
+ GPIOF->AFR[1] = 0xCCCCC000;
+ /* Configure PFx pins in Alternate function mode */
+ GPIOF->MODER = 0xAABFFAAA;
+ /* Configure PFx pins speed to 100 MHz */
+ GPIOF->OSPEEDR = 0xFFC00FFF;
+ /* Configure PFx pins Output type to push-pull */
+ GPIOF->OTYPER = 0x00000000;
+ /* Configure PFx pins in Pull-up */
+ GPIOF->PUPDR = 0x55400555;
+
+ /* Connect PGx pins to FMC Alternate function */
+ GPIOG->AFR[0] = 0x00CCCCCC;
+ GPIOG->AFR[1] = 0xC000000C;
+ /* Configure PGx pins in Alternate function mode */
+ GPIOG->MODER = 0xBFFEFAAA;
+ /* Configure PGx pins speed to 100 MHz */
+ GPIOG->OSPEEDR = 0xC0030FFF;
+ /* Configure PGx pins Output type to push-pull */
+ GPIOG->OTYPER = 0x00000000;
+ /* Configure PGx pins in Pull-up */
+ GPIOG->PUPDR = 0x40010555;
+
+ /* Connect PHx pins to FMC Alternate function */
+ GPIOH->AFR[0] = 0xCCC00000;
+ GPIOH->AFR[1] = 0xCCCCCCCC;
+ /* Configure PHx pins in Alternate function mode */
+ GPIOH->MODER = 0xAAAAABFF;
+ /* Configure PHx pins speed to 100 MHz */
+ GPIOH->OSPEEDR = 0xFFFFFC00;
+ /* Configure PHx pins Output type to push-pull */
+ GPIOH->OTYPER = 0x00000000;
+ /* Configure PHx pins in Pull-up */
+ GPIOH->PUPDR = 0x55555400;
+
+ /* Connect PIx pins to FMC Alternate function */
+ GPIOI->AFR[0] = 0xCCCCCCCC;
+ GPIOI->AFR[1] = 0x00000CC0;
+ /* Configure PIx pins in Alternate function mode */
+ GPIOI->MODER = 0xFFEBAAAA;
+ /* Configure PIx pins speed to 100 MHz */
+ GPIOI->OSPEEDR = 0x003CFFFF;
+ /* Configure PIx pins Output type to push-pull */
+ GPIOI->OTYPER = 0x00000000;
+ /* Configure PIx pins in Pull-up */
+ GPIOI->PUPDR = 0x00145555;
+
+/*-- FMC Configuration ------------------------------------------------------*/
+ /* Enable the FMC interface clock */
+ (RCC->AHB3ENR |= (RCC_AHB3ENR_FMCEN));
+ /*SDRAM Timing and access interface configuration*/
+ /*LoadToActiveDelay = 2
+ ExitSelfRefreshDelay = 6
+ SelfRefreshTime = 4
+ RowCycleDelay = 6
+ WriteRecoveryTime = 2
+ RPDelay = 2
+ RCDDelay = 2
+ SDBank = FMC_SDRAM_BANK2
+ ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_9
+ RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_12
+ MemoryDataWidth = FMC_SDRAM_MEM_BUS_WIDTH_32
+ InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4
+ CASLatency = FMC_SDRAM_CAS_LATENCY_2
+ WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE
+ SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_2
+ ReadBurst = FMC_SDRAM_RBURST_ENABLE
+ ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_0*/
+
+ FMC_Bank5_6_R->SDCR[0] = 0x00001800;
+ FMC_Bank5_6_R->SDCR[1] = 0x00000165;
+ FMC_Bank5_6_R->SDTR[0] = 0x00105000;
+ FMC_Bank5_6_R->SDTR[1] = 0x01010351;
+
+ /* SDRAM initialization sequence */
+ /* Clock enable command */
+ FMC_Bank5_6_R->SDCMR = 0x00000009;
+ tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020;
+ }
+
+ /* Delay */
+ for (index = 0; index<1000; index++);
+
+ /* PALL command */
+ FMC_Bank5_6_R->SDCMR = 0x0000000A;
+ timeout = 0xFFFF;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020;
+ }
+
+ FMC_Bank5_6_R->SDCMR = 0x000000EB;
+ timeout = 0xFFFF;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020;
+ }
+
+ FMC_Bank5_6_R->SDCMR = 0x0004400C;
+ timeout = 0xFFFF;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6_R->SDSR & 0x00000020;
+ }
+ /* Set refresh count */
+ tmpreg = FMC_Bank5_6_R->SDRTR;
+ FMC_Bank5_6_R->SDRTR = (tmpreg | (0x00000603<<1));
+
+ /* Disable write protection */
+ tmpreg = FMC_Bank5_6_R->SDCR[1];
+ FMC_Bank5_6_R->SDCR[1] = (tmpreg & 0xFFFFFDFF);
+
+ /*FMC controller Enable*/
+ FMC_Bank1_R->BTCR[0] |= 0x80000000;
+
+#elif defined(DATA_IN_ExtSRAM)
+/*-- GPIOs Configuration -----------------------------------------------------*/
+ /* Enable GPIOD, GPIOE, GPIOF and GPIOG interface clock */
+ RCC->AHB4ENR |= 0x00000078;
+
+ /* Connect PDx pins to FMC Alternate function */
+ GPIOD->AFR[0] = 0x00CC00CC;
+ GPIOD->AFR[1] = 0xCCCCCCCC;
+ /* Configure PDx pins in Alternate function mode */
+ GPIOD->MODER = 0xAAAAFABA;
+ /* Configure PDx pins speed to 100 MHz */
+ GPIOD->OSPEEDR = 0xFFFF0F0F;
+ /* Configure PDx pins Output type to push-pull */
+ GPIOD->OTYPER = 0x00000000;
+ /* Configure PDx pins in Pull-up */
+ GPIOD->PUPDR = 0x55550505;
+
+ /* Connect PEx pins to FMC Alternate function */
+ GPIOE->AFR[0] = 0xC00CC0CC;
+ GPIOE->AFR[1] = 0xCCCCCCCC;
+ /* Configure PEx pins in Alternate function mode */
+ GPIOE->MODER = 0xAAAABEBA;
+ /* Configure PEx pins speed to 100 MHz */
+ GPIOE->OSPEEDR = 0xFFFFC3CF;
+ /* Configure PEx pins Output type to push-pull */
+ GPIOE->OTYPER = 0x00000000;
+ /* Configure PEx pins in Pull-up */
+ GPIOE->PUPDR = 0x55554145;
+
+ /* Connect PFx pins to FMC Alternate function */
+ GPIOF->AFR[0] = 0x00CCCCCC;
+ GPIOF->AFR[1] = 0xCCCC0000;
+ /* Configure PFx pins in Alternate function mode */
+ GPIOF->MODER = 0xAAFFFAAA;
+ /* Configure PFx pins speed to 100 MHz */
+ GPIOF->OSPEEDR = 0xFF000FFF;
+ /* Configure PFx pins Output type to push-pull */
+ GPIOF->OTYPER = 0x00000000;
+ /* Configure PFx pins in Pull-up */
+ GPIOF->PUPDR = 0x55000555;
+
+ /* Connect PGx pins to FMC Alternate function */
+ GPIOG->AFR[0] = 0x00CCCCCC;
+ GPIOG->AFR[1] = 0x00000C00;
+ /* Configure PGx pins in Alternate function mode */
+ GPIOG->MODER = 0xFFEFFAAA;
+ /* Configure PGx pins speed to 100 MHz */
+ GPIOG->OSPEEDR = 0x00300FFF;
+ /* Configure PGx pins Output type to push-pull */
+ GPIOG->OTYPER = 0x00000000;
+ /* Configure PGx pins in Pull-up */
+ GPIOG->PUPDR = 0x00100555;
+
+/*-- FMC/FSMC Configuration --------------------------------------------------*/
+ /* Enable the FMC/FSMC interface clock */
+ (RCC->AHB3ENR |= (RCC_AHB3ENR_FMCEN));
+
+ /* Configure and enable Bank1_SRAM2 */
+ FMC_Bank1_R->BTCR[4] = 0x00001091;
+ FMC_Bank1_R->BTCR[5] = 0x00110212;
+ FMC_Bank1E_R->BWTR[4] = 0x0FFFFFFF;
+
+ /*FMC controller Enable*/
+ FMC_Bank1_R->BTCR[0] |= 0x80000000;
+
+#endif /* DATA_IN_ExtSRAM */
+
+ (void)(tmp);
+}
+#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
--
2.25.1
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