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targets/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F429ZI/device/system_stm32f4xx.c@149:156823d33999, 2016-10-28 (annotated)
- Committer:
- <>
- Date:
- Fri Oct 28 11:17:30 2016 +0100
- Revision:
- 149:156823d33999
- Parent:
- targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F429ZI/system_stm32f4xx.c@144:ef7eb2e8f9f7
- Child:
- 157:ff67d9f36b67
This updates the lib to the mbed lib v128
NOTE: This release includes a restructuring of the file and directory locations and thus some
include paths in your code may need updating accordingly.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 144:ef7eb2e8f9f7 | 1 | /** |
<> | 144:ef7eb2e8f9f7 | 2 | ****************************************************************************** |
<> | 144:ef7eb2e8f9f7 | 3 | * @file system_stm32f4xx.c |
<> | 144:ef7eb2e8f9f7 | 4 | * @author MCD Application Team |
<> | 144:ef7eb2e8f9f7 | 5 | * @version V2.5.0 |
<> | 144:ef7eb2e8f9f7 | 6 | * @date 22-April-2016 |
<> | 144:ef7eb2e8f9f7 | 7 | * @brief CMSIS Cortex-M4 Device Peripheral Access Layer System Source File. |
<> | 144:ef7eb2e8f9f7 | 8 | * |
<> | 144:ef7eb2e8f9f7 | 9 | * This file provides two functions and one global variable to be called from |
<> | 144:ef7eb2e8f9f7 | 10 | * user application: |
<> | 144:ef7eb2e8f9f7 | 11 | * - SystemInit(): This function is called at startup just after reset and |
<> | 144:ef7eb2e8f9f7 | 12 | * before branch to main program. This call is made inside |
<> | 144:ef7eb2e8f9f7 | 13 | * the "startup_stm32f4xx.s" file. |
<> | 144:ef7eb2e8f9f7 | 14 | * |
<> | 144:ef7eb2e8f9f7 | 15 | * - SystemCoreClock variable: Contains the core clock (HCLK), it can be used |
<> | 144:ef7eb2e8f9f7 | 16 | * by the user application to setup the SysTick |
<> | 144:ef7eb2e8f9f7 | 17 | * timer or configure other parameters. |
<> | 144:ef7eb2e8f9f7 | 18 | * |
<> | 144:ef7eb2e8f9f7 | 19 | * - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must |
<> | 144:ef7eb2e8f9f7 | 20 | * be called whenever the core clock is changed |
<> | 144:ef7eb2e8f9f7 | 21 | * during program execution. |
<> | 144:ef7eb2e8f9f7 | 22 | * |
<> | 144:ef7eb2e8f9f7 | 23 | * This file configures the system clock as follows: |
<> | 144:ef7eb2e8f9f7 | 24 | *-------------------------------------------------------------------------------------- |
<> | 144:ef7eb2e8f9f7 | 25 | * System clock source | PLL_HSE_XTAL | PLL_HSE_XTAL |
<> | 144:ef7eb2e8f9f7 | 26 | * | (external 8 MHz clock) | (external 8 MHz clock) |
<> | 144:ef7eb2e8f9f7 | 27 | *-------------------------------------------------------------------------------------- |
<> | 144:ef7eb2e8f9f7 | 28 | * SYSCLK(MHz) | 168 | 180 |
<> | 144:ef7eb2e8f9f7 | 29 | *-------------------------------------------------------------------------------------- |
<> | 144:ef7eb2e8f9f7 | 30 | * AHBCLK (MHz) | 168 | 180 |
<> | 144:ef7eb2e8f9f7 | 31 | *-------------------------------------------------------------------------------------- |
<> | 144:ef7eb2e8f9f7 | 32 | * APB1CLK (MHz) | 42 | 45 |
<> | 144:ef7eb2e8f9f7 | 33 | *-------------------------------------------------------------------------------------- |
<> | 144:ef7eb2e8f9f7 | 34 | * APB2CLK (MHz) | 84 | 90 |
<> | 144:ef7eb2e8f9f7 | 35 | *-------------------------------------------------------------------------------------- |
<> | 144:ef7eb2e8f9f7 | 36 | * USB capable (48 MHz precise clock) | YES | NO |
<> | 144:ef7eb2e8f9f7 | 37 | *-------------------------------------------------------------------------------------- |
<> | 144:ef7eb2e8f9f7 | 38 | ****************************************************************************** |
<> | 144:ef7eb2e8f9f7 | 39 | * @attention |
<> | 144:ef7eb2e8f9f7 | 40 | * |
<> | 144:ef7eb2e8f9f7 | 41 | * <h2><center>© COPYRIGHT 2015 STMicroelectronics</center></h2> |
<> | 144:ef7eb2e8f9f7 | 42 | * |
<> | 144:ef7eb2e8f9f7 | 43 | * Redistribution and use in source and binary forms, with or without modification, |
<> | 144:ef7eb2e8f9f7 | 44 | * are permitted provided that the following conditions are met: |
<> | 144:ef7eb2e8f9f7 | 45 | * 1. Redistributions of source code must retain the above copyright notice, |
<> | 144:ef7eb2e8f9f7 | 46 | * this list of conditions and the following disclaimer. |
<> | 144:ef7eb2e8f9f7 | 47 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
<> | 144:ef7eb2e8f9f7 | 48 | * this list of conditions and the following disclaimer in the documentation |
<> | 144:ef7eb2e8f9f7 | 49 | * and/or other materials provided with the distribution. |
<> | 144:ef7eb2e8f9f7 | 50 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
<> | 144:ef7eb2e8f9f7 | 51 | * may be used to endorse or promote products derived from this software |
<> | 144:ef7eb2e8f9f7 | 52 | * without specific prior written permission. |
<> | 144:ef7eb2e8f9f7 | 53 | * |
<> | 144:ef7eb2e8f9f7 | 54 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
<> | 144:ef7eb2e8f9f7 | 55 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
<> | 144:ef7eb2e8f9f7 | 56 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
<> | 144:ef7eb2e8f9f7 | 57 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
<> | 144:ef7eb2e8f9f7 | 58 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
<> | 144:ef7eb2e8f9f7 | 59 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
<> | 144:ef7eb2e8f9f7 | 60 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
<> | 144:ef7eb2e8f9f7 | 61 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
<> | 144:ef7eb2e8f9f7 | 62 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
<> | 144:ef7eb2e8f9f7 | 63 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
<> | 144:ef7eb2e8f9f7 | 64 | * |
<> | 144:ef7eb2e8f9f7 | 65 | ****************************************************************************** |
<> | 144:ef7eb2e8f9f7 | 66 | */ |
<> | 144:ef7eb2e8f9f7 | 67 | |
<> | 144:ef7eb2e8f9f7 | 68 | /** @addtogroup CMSIS |
<> | 144:ef7eb2e8f9f7 | 69 | * @{ |
<> | 144:ef7eb2e8f9f7 | 70 | */ |
<> | 144:ef7eb2e8f9f7 | 71 | |
<> | 144:ef7eb2e8f9f7 | 72 | /** @addtogroup stm32f4xx_system |
<> | 144:ef7eb2e8f9f7 | 73 | * @{ |
<> | 144:ef7eb2e8f9f7 | 74 | */ |
<> | 144:ef7eb2e8f9f7 | 75 | |
<> | 144:ef7eb2e8f9f7 | 76 | /** @addtogroup STM32F4xx_System_Private_Includes |
<> | 144:ef7eb2e8f9f7 | 77 | * @{ |
<> | 144:ef7eb2e8f9f7 | 78 | */ |
<> | 144:ef7eb2e8f9f7 | 79 | |
<> | 144:ef7eb2e8f9f7 | 80 | |
<> | 144:ef7eb2e8f9f7 | 81 | #include "stm32f4xx.h" |
<> | 144:ef7eb2e8f9f7 | 82 | #include "hal_tick.h" |
<> | 144:ef7eb2e8f9f7 | 83 | |
<> | 144:ef7eb2e8f9f7 | 84 | #if !defined (HSE_VALUE) |
<> | 144:ef7eb2e8f9f7 | 85 | #define HSE_VALUE ((uint32_t)8000000) /*!< Default value of the External oscillator in Hz */ |
<> | 144:ef7eb2e8f9f7 | 86 | #endif /* HSE_VALUE */ |
<> | 144:ef7eb2e8f9f7 | 87 | |
<> | 144:ef7eb2e8f9f7 | 88 | #if !defined (HSI_VALUE) |
<> | 144:ef7eb2e8f9f7 | 89 | #define HSI_VALUE ((uint32_t)16000000) /*!< Value of the Internal oscillator in Hz*/ |
<> | 144:ef7eb2e8f9f7 | 90 | #endif /* HSI_VALUE */ |
<> | 144:ef7eb2e8f9f7 | 91 | |
<> | 144:ef7eb2e8f9f7 | 92 | /** |
<> | 144:ef7eb2e8f9f7 | 93 | * @} |
<> | 144:ef7eb2e8f9f7 | 94 | */ |
<> | 144:ef7eb2e8f9f7 | 95 | |
<> | 144:ef7eb2e8f9f7 | 96 | /** @addtogroup STM32F4xx_System_Private_TypesDefinitions |
<> | 144:ef7eb2e8f9f7 | 97 | * @{ |
<> | 144:ef7eb2e8f9f7 | 98 | */ |
<> | 144:ef7eb2e8f9f7 | 99 | |
<> | 144:ef7eb2e8f9f7 | 100 | /** |
<> | 144:ef7eb2e8f9f7 | 101 | * @} |
<> | 144:ef7eb2e8f9f7 | 102 | */ |
<> | 144:ef7eb2e8f9f7 | 103 | |
<> | 144:ef7eb2e8f9f7 | 104 | /** @addtogroup STM32F4xx_System_Private_Defines |
<> | 144:ef7eb2e8f9f7 | 105 | * @{ |
<> | 144:ef7eb2e8f9f7 | 106 | */ |
<> | 144:ef7eb2e8f9f7 | 107 | |
<> | 144:ef7eb2e8f9f7 | 108 | /************************* Miscellaneous Configuration ************************/ |
<> | 144:ef7eb2e8f9f7 | 109 | /*!< Uncomment the following line if you need to use external SRAM or SDRAM as data memory */ |
<> | 144:ef7eb2e8f9f7 | 110 | #if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx)\ |
<> | 144:ef7eb2e8f9f7 | 111 | || defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\ |
<> | 144:ef7eb2e8f9f7 | 112 | || defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F412Zx) || defined(STM32F412Vx) |
<> | 144:ef7eb2e8f9f7 | 113 | /* #define DATA_IN_ExtSRAM */ |
<> | 144:ef7eb2e8f9f7 | 114 | #endif /* STM32F40xxx || STM32F41xxx || STM32F42xxx || STM32F43xxx || STM32F469xx || STM32F479xx ||\ |
<> | 144:ef7eb2e8f9f7 | 115 | STM32F412Zx || STM32F412Vx */ |
<> | 144:ef7eb2e8f9f7 | 116 | |
<> | 144:ef7eb2e8f9f7 | 117 | #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\ |
<> | 144:ef7eb2e8f9f7 | 118 | || defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) |
<> | 144:ef7eb2e8f9f7 | 119 | /* #define DATA_IN_ExtSDRAM */ |
<> | 144:ef7eb2e8f9f7 | 120 | #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx ||\ |
<> | 144:ef7eb2e8f9f7 | 121 | STM32F479xx */ |
<> | 144:ef7eb2e8f9f7 | 122 | |
<> | 144:ef7eb2e8f9f7 | 123 | /*!< Uncomment the following line if you need to relocate your vector Table in |
<> | 144:ef7eb2e8f9f7 | 124 | Internal SRAM. */ |
<> | 144:ef7eb2e8f9f7 | 125 | /* #define VECT_TAB_SRAM */ |
<> | 144:ef7eb2e8f9f7 | 126 | #define VECT_TAB_OFFSET 0x00 /*!< Vector Table base offset field. |
<> | 144:ef7eb2e8f9f7 | 127 | This value must be a multiple of 0x200. */ |
<> | 144:ef7eb2e8f9f7 | 128 | /******************************************************************************/ |
<> | 144:ef7eb2e8f9f7 | 129 | |
<> | 144:ef7eb2e8f9f7 | 130 | /** |
<> | 144:ef7eb2e8f9f7 | 131 | * @} |
<> | 144:ef7eb2e8f9f7 | 132 | */ |
<> | 144:ef7eb2e8f9f7 | 133 | |
<> | 144:ef7eb2e8f9f7 | 134 | /** @addtogroup STM32F4xx_System_Private_Macros |
<> | 144:ef7eb2e8f9f7 | 135 | * @{ |
<> | 144:ef7eb2e8f9f7 | 136 | */ |
<> | 144:ef7eb2e8f9f7 | 137 | |
<> | 144:ef7eb2e8f9f7 | 138 | /* Select the SYSCLOCK to start with (0=OFF, 1=ON) */ |
<> | 144:ef7eb2e8f9f7 | 139 | #define USE_SYSCLOCK_168 (1) /* Use external 8MHz xtal and sets SYSCLK to 168MHz */ |
<> | 144:ef7eb2e8f9f7 | 140 | #define USE_SYSCLOCK_180 (0) /* Use external 8MHz xtal and sets SYSCLK to 180MHz */ |
<> | 144:ef7eb2e8f9f7 | 141 | |
<> | 144:ef7eb2e8f9f7 | 142 | /** |
<> | 144:ef7eb2e8f9f7 | 143 | * @} |
<> | 144:ef7eb2e8f9f7 | 144 | */ |
<> | 144:ef7eb2e8f9f7 | 145 | |
<> | 144:ef7eb2e8f9f7 | 146 | /** @addtogroup STM32F4xx_System_Private_Variables |
<> | 144:ef7eb2e8f9f7 | 147 | * @{ |
<> | 144:ef7eb2e8f9f7 | 148 | */ |
<> | 144:ef7eb2e8f9f7 | 149 | /* This variable is updated in three ways: |
<> | 144:ef7eb2e8f9f7 | 150 | 1) by calling CMSIS function SystemCoreClockUpdate() |
<> | 144:ef7eb2e8f9f7 | 151 | 2) by calling HAL API function HAL_RCC_GetHCLKFreq() |
<> | 144:ef7eb2e8f9f7 | 152 | 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency |
<> | 144:ef7eb2e8f9f7 | 153 | Note: If you use this function to configure the system clock; then there |
<> | 144:ef7eb2e8f9f7 | 154 | is no need to call the 2 first functions listed above, since SystemCoreClock |
<> | 144:ef7eb2e8f9f7 | 155 | variable is updated automatically. |
<> | 144:ef7eb2e8f9f7 | 156 | */ |
<> | 144:ef7eb2e8f9f7 | 157 | uint32_t SystemCoreClock = 168000000; |
<> | 144:ef7eb2e8f9f7 | 158 | const uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9}; |
<> | 144:ef7eb2e8f9f7 | 159 | |
<> | 144:ef7eb2e8f9f7 | 160 | /** |
<> | 144:ef7eb2e8f9f7 | 161 | * @} |
<> | 144:ef7eb2e8f9f7 | 162 | */ |
<> | 144:ef7eb2e8f9f7 | 163 | |
<> | 144:ef7eb2e8f9f7 | 164 | /** @addtogroup STM32F4xx_System_Private_FunctionPrototypes |
<> | 144:ef7eb2e8f9f7 | 165 | * @{ |
<> | 144:ef7eb2e8f9f7 | 166 | */ |
<> | 144:ef7eb2e8f9f7 | 167 | |
<> | 144:ef7eb2e8f9f7 | 168 | #if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM) |
<> | 144:ef7eb2e8f9f7 | 169 | static void SystemInit_ExtMemCtl(void); |
<> | 144:ef7eb2e8f9f7 | 170 | #endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */ |
<> | 144:ef7eb2e8f9f7 | 171 | |
<> | 144:ef7eb2e8f9f7 | 172 | void SetSysClock(void); |
<> | 144:ef7eb2e8f9f7 | 173 | /** |
<> | 144:ef7eb2e8f9f7 | 174 | * @} |
<> | 144:ef7eb2e8f9f7 | 175 | */ |
<> | 144:ef7eb2e8f9f7 | 176 | |
<> | 144:ef7eb2e8f9f7 | 177 | /** @addtogroup STM32F4xx_System_Private_Functions |
<> | 144:ef7eb2e8f9f7 | 178 | * @{ |
<> | 144:ef7eb2e8f9f7 | 179 | */ |
<> | 144:ef7eb2e8f9f7 | 180 | |
<> | 144:ef7eb2e8f9f7 | 181 | /** |
<> | 144:ef7eb2e8f9f7 | 182 | * @brief Setup the microcontroller system |
<> | 144:ef7eb2e8f9f7 | 183 | * Initialize the FPU setting, vector table location and External memory |
<> | 144:ef7eb2e8f9f7 | 184 | * configuration. |
<> | 144:ef7eb2e8f9f7 | 185 | * @param None |
<> | 144:ef7eb2e8f9f7 | 186 | * @retval None |
<> | 144:ef7eb2e8f9f7 | 187 | */ |
<> | 144:ef7eb2e8f9f7 | 188 | void SystemInit(void) |
<> | 144:ef7eb2e8f9f7 | 189 | { |
<> | 144:ef7eb2e8f9f7 | 190 | /* FPU settings ------------------------------------------------------------*/ |
<> | 144:ef7eb2e8f9f7 | 191 | #if (__FPU_PRESENT == 1) && (__FPU_USED == 1) |
<> | 144:ef7eb2e8f9f7 | 192 | SCB->CPACR |= ((3UL << 10*2)|(3UL << 11*2)); /* set CP10 and CP11 Full Access */ |
<> | 144:ef7eb2e8f9f7 | 193 | #endif |
<> | 144:ef7eb2e8f9f7 | 194 | /* Reset the RCC clock configuration to the default reset state ------------*/ |
<> | 144:ef7eb2e8f9f7 | 195 | /* Set HSION bit */ |
<> | 144:ef7eb2e8f9f7 | 196 | RCC->CR |= (uint32_t)0x00000001; |
<> | 144:ef7eb2e8f9f7 | 197 | |
<> | 144:ef7eb2e8f9f7 | 198 | /* Reset CFGR register */ |
<> | 144:ef7eb2e8f9f7 | 199 | RCC->CFGR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 200 | |
<> | 144:ef7eb2e8f9f7 | 201 | /* Reset HSEON, CSSON and PLLON bits */ |
<> | 144:ef7eb2e8f9f7 | 202 | RCC->CR &= (uint32_t)0xFEF6FFFF; |
<> | 144:ef7eb2e8f9f7 | 203 | |
<> | 144:ef7eb2e8f9f7 | 204 | /* Reset PLLCFGR register */ |
<> | 144:ef7eb2e8f9f7 | 205 | RCC->PLLCFGR = 0x24003010; |
<> | 144:ef7eb2e8f9f7 | 206 | |
<> | 144:ef7eb2e8f9f7 | 207 | /* Reset HSEBYP bit */ |
<> | 144:ef7eb2e8f9f7 | 208 | RCC->CR &= (uint32_t)0xFFFBFFFF; |
<> | 144:ef7eb2e8f9f7 | 209 | |
<> | 144:ef7eb2e8f9f7 | 210 | /* Disable all interrupts */ |
<> | 144:ef7eb2e8f9f7 | 211 | RCC->CIR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 212 | |
<> | 144:ef7eb2e8f9f7 | 213 | #if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM) |
<> | 144:ef7eb2e8f9f7 | 214 | SystemInit_ExtMemCtl(); |
<> | 144:ef7eb2e8f9f7 | 215 | #endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */ |
<> | 144:ef7eb2e8f9f7 | 216 | |
<> | 144:ef7eb2e8f9f7 | 217 | /* Configure the Vector Table location add offset address ------------------*/ |
<> | 144:ef7eb2e8f9f7 | 218 | #ifdef VECT_TAB_SRAM |
<> | 144:ef7eb2e8f9f7 | 219 | SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */ |
<> | 144:ef7eb2e8f9f7 | 220 | #else |
<> | 144:ef7eb2e8f9f7 | 221 | SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */ |
<> | 144:ef7eb2e8f9f7 | 222 | #endif |
<> | 144:ef7eb2e8f9f7 | 223 | |
<> | 144:ef7eb2e8f9f7 | 224 | /* Configure the Cube driver */ |
<> | 144:ef7eb2e8f9f7 | 225 | SystemCoreClock = 16000000; // At this stage the HSI is used as system clock |
<> | 144:ef7eb2e8f9f7 | 226 | HAL_Init(); |
<> | 144:ef7eb2e8f9f7 | 227 | |
<> | 144:ef7eb2e8f9f7 | 228 | /* Configure the System clock source, PLL Multiplier and Divider factors, |
<> | 144:ef7eb2e8f9f7 | 229 | AHB/APBx prescalers and Flash settings */ |
<> | 144:ef7eb2e8f9f7 | 230 | SetSysClock(); |
<> | 144:ef7eb2e8f9f7 | 231 | SystemCoreClockUpdate(); |
<> | 144:ef7eb2e8f9f7 | 232 | |
<> | 144:ef7eb2e8f9f7 | 233 | /* Reset the timer to avoid issues after the RAM initialization */ |
<> | 144:ef7eb2e8f9f7 | 234 | TIM_MST_RESET_ON; |
<> | 144:ef7eb2e8f9f7 | 235 | TIM_MST_RESET_OFF; |
<> | 144:ef7eb2e8f9f7 | 236 | } |
<> | 144:ef7eb2e8f9f7 | 237 | |
<> | 144:ef7eb2e8f9f7 | 238 | /** |
<> | 144:ef7eb2e8f9f7 | 239 | * @brief Update SystemCoreClock variable according to Clock Register Values. |
<> | 144:ef7eb2e8f9f7 | 240 | * The SystemCoreClock variable contains the core clock (HCLK), it can |
<> | 144:ef7eb2e8f9f7 | 241 | * be used by the user application to setup the SysTick timer or configure |
<> | 144:ef7eb2e8f9f7 | 242 | * other parameters. |
<> | 144:ef7eb2e8f9f7 | 243 | * |
<> | 144:ef7eb2e8f9f7 | 244 | * @note Each time the core clock (HCLK) changes, this function must be called |
<> | 144:ef7eb2e8f9f7 | 245 | * to update SystemCoreClock variable value. Otherwise, any configuration |
<> | 144:ef7eb2e8f9f7 | 246 | * based on this variable will be incorrect. |
<> | 144:ef7eb2e8f9f7 | 247 | * |
<> | 144:ef7eb2e8f9f7 | 248 | * @note - The system frequency computed by this function is not the real |
<> | 144:ef7eb2e8f9f7 | 249 | * frequency in the chip. It is calculated based on the predefined |
<> | 144:ef7eb2e8f9f7 | 250 | * constant and the selected clock source: |
<> | 144:ef7eb2e8f9f7 | 251 | * |
<> | 144:ef7eb2e8f9f7 | 252 | * - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(*) |
<> | 144:ef7eb2e8f9f7 | 253 | * |
<> | 144:ef7eb2e8f9f7 | 254 | * - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(**) |
<> | 144:ef7eb2e8f9f7 | 255 | * |
<> | 144:ef7eb2e8f9f7 | 256 | * - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**) |
<> | 144:ef7eb2e8f9f7 | 257 | * or HSI_VALUE(*) multiplied/divided by the PLL factors. |
<> | 144:ef7eb2e8f9f7 | 258 | * |
<> | 144:ef7eb2e8f9f7 | 259 | * (*) HSI_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value |
<> | 144:ef7eb2e8f9f7 | 260 | * 16 MHz) but the real value may vary depending on the variations |
<> | 144:ef7eb2e8f9f7 | 261 | * in voltage and temperature. |
<> | 144:ef7eb2e8f9f7 | 262 | * |
<> | 144:ef7eb2e8f9f7 | 263 | * (**) HSE_VALUE is a constant defined in stm32f4xx_hal_conf.h file (its value |
<> | 144:ef7eb2e8f9f7 | 264 | * depends on the application requirements), user has to ensure that HSE_VALUE |
<> | 144:ef7eb2e8f9f7 | 265 | * is same as the real frequency of the crystal used. Otherwise, this function |
<> | 144:ef7eb2e8f9f7 | 266 | * may have wrong result. |
<> | 144:ef7eb2e8f9f7 | 267 | * |
<> | 144:ef7eb2e8f9f7 | 268 | * - The result of this function could be not correct when using fractional |
<> | 144:ef7eb2e8f9f7 | 269 | * value for HSE crystal. |
<> | 144:ef7eb2e8f9f7 | 270 | * |
<> | 144:ef7eb2e8f9f7 | 271 | * @param None |
<> | 144:ef7eb2e8f9f7 | 272 | * @retval None |
<> | 144:ef7eb2e8f9f7 | 273 | */ |
<> | 144:ef7eb2e8f9f7 | 274 | void SystemCoreClockUpdate(void) |
<> | 144:ef7eb2e8f9f7 | 275 | { |
<> | 144:ef7eb2e8f9f7 | 276 | uint32_t tmp = 0, pllvco = 0, pllp = 2, pllsource = 0, pllm = 2; |
<> | 144:ef7eb2e8f9f7 | 277 | |
<> | 144:ef7eb2e8f9f7 | 278 | /* Get SYSCLK source -------------------------------------------------------*/ |
<> | 144:ef7eb2e8f9f7 | 279 | tmp = RCC->CFGR & RCC_CFGR_SWS; |
<> | 144:ef7eb2e8f9f7 | 280 | |
<> | 144:ef7eb2e8f9f7 | 281 | switch (tmp) |
<> | 144:ef7eb2e8f9f7 | 282 | { |
<> | 144:ef7eb2e8f9f7 | 283 | case 0x00: /* HSI used as system clock source */ |
<> | 144:ef7eb2e8f9f7 | 284 | SystemCoreClock = HSI_VALUE; |
<> | 144:ef7eb2e8f9f7 | 285 | break; |
<> | 144:ef7eb2e8f9f7 | 286 | case 0x04: /* HSE used as system clock source */ |
<> | 144:ef7eb2e8f9f7 | 287 | SystemCoreClock = HSE_VALUE; |
<> | 144:ef7eb2e8f9f7 | 288 | break; |
<> | 144:ef7eb2e8f9f7 | 289 | case 0x08: /* PLL used as system clock source */ |
<> | 144:ef7eb2e8f9f7 | 290 | |
<> | 144:ef7eb2e8f9f7 | 291 | /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLL_M) * PLL_N |
<> | 144:ef7eb2e8f9f7 | 292 | SYSCLK = PLL_VCO / PLL_P |
<> | 144:ef7eb2e8f9f7 | 293 | */ |
<> | 144:ef7eb2e8f9f7 | 294 | pllsource = (RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) >> 22; |
<> | 144:ef7eb2e8f9f7 | 295 | pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM; |
<> | 144:ef7eb2e8f9f7 | 296 | |
<> | 144:ef7eb2e8f9f7 | 297 | if (pllsource != 0) |
<> | 144:ef7eb2e8f9f7 | 298 | { |
<> | 144:ef7eb2e8f9f7 | 299 | /* HSE used as PLL clock source */ |
<> | 144:ef7eb2e8f9f7 | 300 | pllvco = (HSE_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 6); |
<> | 144:ef7eb2e8f9f7 | 301 | } |
<> | 144:ef7eb2e8f9f7 | 302 | else |
<> | 144:ef7eb2e8f9f7 | 303 | { |
<> | 144:ef7eb2e8f9f7 | 304 | /* HSI used as PLL clock source */ |
<> | 144:ef7eb2e8f9f7 | 305 | pllvco = (HSI_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 6); |
<> | 144:ef7eb2e8f9f7 | 306 | } |
<> | 144:ef7eb2e8f9f7 | 307 | |
<> | 144:ef7eb2e8f9f7 | 308 | pllp = (((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) >>16) + 1 ) *2; |
<> | 144:ef7eb2e8f9f7 | 309 | SystemCoreClock = pllvco/pllp; |
<> | 144:ef7eb2e8f9f7 | 310 | break; |
<> | 144:ef7eb2e8f9f7 | 311 | default: |
<> | 144:ef7eb2e8f9f7 | 312 | SystemCoreClock = HSI_VALUE; |
<> | 144:ef7eb2e8f9f7 | 313 | break; |
<> | 144:ef7eb2e8f9f7 | 314 | } |
<> | 144:ef7eb2e8f9f7 | 315 | /* Compute HCLK frequency --------------------------------------------------*/ |
<> | 144:ef7eb2e8f9f7 | 316 | /* Get HCLK prescaler */ |
<> | 144:ef7eb2e8f9f7 | 317 | tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4)]; |
<> | 144:ef7eb2e8f9f7 | 318 | /* HCLK frequency */ |
<> | 144:ef7eb2e8f9f7 | 319 | SystemCoreClock >>= tmp; |
<> | 144:ef7eb2e8f9f7 | 320 | } |
<> | 144:ef7eb2e8f9f7 | 321 | |
<> | 144:ef7eb2e8f9f7 | 322 | #if defined (DATA_IN_ExtSRAM) && defined (DATA_IN_ExtSDRAM) |
<> | 144:ef7eb2e8f9f7 | 323 | #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\ |
<> | 144:ef7eb2e8f9f7 | 324 | defined(STM32F469xx) || defined(STM32F479xx) |
<> | 144:ef7eb2e8f9f7 | 325 | /** |
<> | 144:ef7eb2e8f9f7 | 326 | * @brief Setup the external memory controller. |
<> | 144:ef7eb2e8f9f7 | 327 | * Called in startup_stm32f4xx.s before jump to main. |
<> | 144:ef7eb2e8f9f7 | 328 | * This function configures the external memories (SRAM/SDRAM) |
<> | 144:ef7eb2e8f9f7 | 329 | * This SRAM/SDRAM will be used as program data memory (including heap and stack). |
<> | 144:ef7eb2e8f9f7 | 330 | * @param None |
<> | 144:ef7eb2e8f9f7 | 331 | * @retval None |
<> | 144:ef7eb2e8f9f7 | 332 | */ |
<> | 144:ef7eb2e8f9f7 | 333 | void SystemInit_ExtMemCtl(void) |
<> | 144:ef7eb2e8f9f7 | 334 | { |
<> | 144:ef7eb2e8f9f7 | 335 | __IO uint32_t tmp = 0x00; |
<> | 144:ef7eb2e8f9f7 | 336 | |
<> | 144:ef7eb2e8f9f7 | 337 | register uint32_t tmpreg = 0, timeout = 0xFFFF; |
<> | 144:ef7eb2e8f9f7 | 338 | register __IO uint32_t index; |
<> | 144:ef7eb2e8f9f7 | 339 | |
<> | 144:ef7eb2e8f9f7 | 340 | /* Enable GPIOC, GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface clock */ |
<> | 144:ef7eb2e8f9f7 | 341 | RCC->AHB1ENR |= 0x000001F8; |
<> | 144:ef7eb2e8f9f7 | 342 | |
<> | 144:ef7eb2e8f9f7 | 343 | /* Delay after an RCC peripheral clock enabling */ |
<> | 144:ef7eb2e8f9f7 | 344 | tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN); |
<> | 144:ef7eb2e8f9f7 | 345 | |
<> | 144:ef7eb2e8f9f7 | 346 | /* Connect PDx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 347 | GPIOD->AFR[0] = 0x00CCC0CC; |
<> | 144:ef7eb2e8f9f7 | 348 | GPIOD->AFR[1] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 349 | /* Configure PDx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 350 | GPIOD->MODER = 0xAAAA0A8A; |
<> | 144:ef7eb2e8f9f7 | 351 | /* Configure PDx pins speed to 100 MHz */ |
<> | 144:ef7eb2e8f9f7 | 352 | GPIOD->OSPEEDR = 0xFFFF0FCF; |
<> | 144:ef7eb2e8f9f7 | 353 | /* Configure PDx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 354 | GPIOD->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 355 | /* No pull-up, pull-down for PDx pins */ |
<> | 144:ef7eb2e8f9f7 | 356 | GPIOD->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 357 | |
<> | 144:ef7eb2e8f9f7 | 358 | /* Connect PEx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 359 | GPIOE->AFR[0] = 0xC00CC0CC; |
<> | 144:ef7eb2e8f9f7 | 360 | GPIOE->AFR[1] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 361 | /* Configure PEx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 362 | GPIOE->MODER = 0xAAAA828A; |
<> | 144:ef7eb2e8f9f7 | 363 | /* Configure PEx pins speed to 100 MHz */ |
<> | 144:ef7eb2e8f9f7 | 364 | GPIOE->OSPEEDR = 0xFFFFC3CF; |
<> | 144:ef7eb2e8f9f7 | 365 | /* Configure PEx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 366 | GPIOE->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 367 | /* No pull-up, pull-down for PEx pins */ |
<> | 144:ef7eb2e8f9f7 | 368 | GPIOE->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 369 | |
<> | 144:ef7eb2e8f9f7 | 370 | /* Connect PFx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 371 | GPIOF->AFR[0] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 372 | GPIOF->AFR[1] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 373 | /* Configure PFx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 374 | GPIOF->MODER = 0xAA800AAA; |
<> | 144:ef7eb2e8f9f7 | 375 | /* Configure PFx pins speed to 50 MHz */ |
<> | 144:ef7eb2e8f9f7 | 376 | GPIOF->OSPEEDR = 0xAA800AAA; |
<> | 144:ef7eb2e8f9f7 | 377 | /* Configure PFx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 378 | GPIOF->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 379 | /* No pull-up, pull-down for PFx pins */ |
<> | 144:ef7eb2e8f9f7 | 380 | GPIOF->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 381 | |
<> | 144:ef7eb2e8f9f7 | 382 | /* Connect PGx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 383 | GPIOG->AFR[0] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 384 | GPIOG->AFR[1] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 385 | /* Configure PGx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 386 | GPIOG->MODER = 0xAAAAAAAA; |
<> | 144:ef7eb2e8f9f7 | 387 | /* Configure PGx pins speed to 50 MHz */ |
<> | 144:ef7eb2e8f9f7 | 388 | GPIOG->OSPEEDR = 0xAAAAAAAA; |
<> | 144:ef7eb2e8f9f7 | 389 | /* Configure PGx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 390 | GPIOG->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 391 | /* No pull-up, pull-down for PGx pins */ |
<> | 144:ef7eb2e8f9f7 | 392 | GPIOG->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 393 | |
<> | 144:ef7eb2e8f9f7 | 394 | /* Connect PHx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 395 | GPIOH->AFR[0] = 0x00C0CC00; |
<> | 144:ef7eb2e8f9f7 | 396 | GPIOH->AFR[1] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 397 | /* Configure PHx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 398 | GPIOH->MODER = 0xAAAA08A0; |
<> | 144:ef7eb2e8f9f7 | 399 | /* Configure PHx pins speed to 50 MHz */ |
<> | 144:ef7eb2e8f9f7 | 400 | GPIOH->OSPEEDR = 0xAAAA08A0; |
<> | 144:ef7eb2e8f9f7 | 401 | /* Configure PHx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 402 | GPIOH->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 403 | /* No pull-up, pull-down for PHx pins */ |
<> | 144:ef7eb2e8f9f7 | 404 | GPIOH->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 405 | |
<> | 144:ef7eb2e8f9f7 | 406 | /* Connect PIx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 407 | GPIOI->AFR[0] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 408 | GPIOI->AFR[1] = 0x00000CC0; |
<> | 144:ef7eb2e8f9f7 | 409 | /* Configure PIx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 410 | GPIOI->MODER = 0x0028AAAA; |
<> | 144:ef7eb2e8f9f7 | 411 | /* Configure PIx pins speed to 50 MHz */ |
<> | 144:ef7eb2e8f9f7 | 412 | GPIOI->OSPEEDR = 0x0028AAAA; |
<> | 144:ef7eb2e8f9f7 | 413 | /* Configure PIx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 414 | GPIOI->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 415 | /* No pull-up, pull-down for PIx pins */ |
<> | 144:ef7eb2e8f9f7 | 416 | GPIOI->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 417 | |
<> | 144:ef7eb2e8f9f7 | 418 | /*-- FMC Configuration -------------------------------------------------------*/ |
<> | 144:ef7eb2e8f9f7 | 419 | /* Enable the FMC interface clock */ |
<> | 144:ef7eb2e8f9f7 | 420 | RCC->AHB3ENR |= 0x00000001; |
<> | 144:ef7eb2e8f9f7 | 421 | /* Delay after an RCC peripheral clock enabling */ |
<> | 144:ef7eb2e8f9f7 | 422 | tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN); |
<> | 144:ef7eb2e8f9f7 | 423 | |
<> | 144:ef7eb2e8f9f7 | 424 | FMC_Bank5_6->SDCR[0] = 0x000019E4; |
<> | 144:ef7eb2e8f9f7 | 425 | FMC_Bank5_6->SDTR[0] = 0x01115351; |
<> | 144:ef7eb2e8f9f7 | 426 | |
<> | 144:ef7eb2e8f9f7 | 427 | /* SDRAM initialization sequence */ |
<> | 144:ef7eb2e8f9f7 | 428 | /* Clock enable command */ |
<> | 144:ef7eb2e8f9f7 | 429 | FMC_Bank5_6->SDCMR = 0x00000011; |
<> | 144:ef7eb2e8f9f7 | 430 | tmpreg = FMC_Bank5_6->SDSR & 0x00000020; |
<> | 144:ef7eb2e8f9f7 | 431 | while((tmpreg != 0) && (timeout-- > 0)) |
<> | 144:ef7eb2e8f9f7 | 432 | { |
<> | 144:ef7eb2e8f9f7 | 433 | tmpreg = FMC_Bank5_6->SDSR & 0x00000020; |
<> | 144:ef7eb2e8f9f7 | 434 | } |
<> | 144:ef7eb2e8f9f7 | 435 | |
<> | 144:ef7eb2e8f9f7 | 436 | /* Delay */ |
<> | 144:ef7eb2e8f9f7 | 437 | for (index = 0; index<1000; index++); |
<> | 144:ef7eb2e8f9f7 | 438 | |
<> | 144:ef7eb2e8f9f7 | 439 | /* PALL command */ |
<> | 144:ef7eb2e8f9f7 | 440 | FMC_Bank5_6->SDCMR = 0x00000012; |
<> | 144:ef7eb2e8f9f7 | 441 | timeout = 0xFFFF; |
<> | 144:ef7eb2e8f9f7 | 442 | while((tmpreg != 0) && (timeout-- > 0)) |
<> | 144:ef7eb2e8f9f7 | 443 | { |
<> | 144:ef7eb2e8f9f7 | 444 | tmpreg = FMC_Bank5_6->SDSR & 0x00000020; |
<> | 144:ef7eb2e8f9f7 | 445 | } |
<> | 144:ef7eb2e8f9f7 | 446 | |
<> | 144:ef7eb2e8f9f7 | 447 | /* Auto refresh command */ |
<> | 144:ef7eb2e8f9f7 | 448 | FMC_Bank5_6->SDCMR = 0x00000073; |
<> | 144:ef7eb2e8f9f7 | 449 | timeout = 0xFFFF; |
<> | 144:ef7eb2e8f9f7 | 450 | while((tmpreg != 0) && (timeout-- > 0)) |
<> | 144:ef7eb2e8f9f7 | 451 | { |
<> | 144:ef7eb2e8f9f7 | 452 | tmpreg = FMC_Bank5_6->SDSR & 0x00000020; |
<> | 144:ef7eb2e8f9f7 | 453 | } |
<> | 144:ef7eb2e8f9f7 | 454 | |
<> | 144:ef7eb2e8f9f7 | 455 | /* MRD register program */ |
<> | 144:ef7eb2e8f9f7 | 456 | FMC_Bank5_6->SDCMR = 0x00046014; |
<> | 144:ef7eb2e8f9f7 | 457 | timeout = 0xFFFF; |
<> | 144:ef7eb2e8f9f7 | 458 | while((tmpreg != 0) && (timeout-- > 0)) |
<> | 144:ef7eb2e8f9f7 | 459 | { |
<> | 144:ef7eb2e8f9f7 | 460 | tmpreg = FMC_Bank5_6->SDSR & 0x00000020; |
<> | 144:ef7eb2e8f9f7 | 461 | } |
<> | 144:ef7eb2e8f9f7 | 462 | |
<> | 144:ef7eb2e8f9f7 | 463 | /* Set refresh count */ |
<> | 144:ef7eb2e8f9f7 | 464 | tmpreg = FMC_Bank5_6->SDRTR; |
<> | 144:ef7eb2e8f9f7 | 465 | FMC_Bank5_6->SDRTR = (tmpreg | (0x0000027C<<1)); |
<> | 144:ef7eb2e8f9f7 | 466 | |
<> | 144:ef7eb2e8f9f7 | 467 | /* Disable write protection */ |
<> | 144:ef7eb2e8f9f7 | 468 | tmpreg = FMC_Bank5_6->SDCR[0]; |
<> | 144:ef7eb2e8f9f7 | 469 | FMC_Bank5_6->SDCR[0] = (tmpreg & 0xFFFFFDFF); |
<> | 144:ef7eb2e8f9f7 | 470 | |
<> | 144:ef7eb2e8f9f7 | 471 | #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) |
<> | 144:ef7eb2e8f9f7 | 472 | /* Configure and enable Bank1_SRAM2 */ |
<> | 144:ef7eb2e8f9f7 | 473 | FMC_Bank1->BTCR[2] = 0x00001011; |
<> | 144:ef7eb2e8f9f7 | 474 | FMC_Bank1->BTCR[3] = 0x00000201; |
<> | 144:ef7eb2e8f9f7 | 475 | FMC_Bank1E->BWTR[2] = 0x0fffffff; |
<> | 144:ef7eb2e8f9f7 | 476 | #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */ |
<> | 144:ef7eb2e8f9f7 | 477 | #if defined(STM32F469xx) || defined(STM32F479xx) |
<> | 144:ef7eb2e8f9f7 | 478 | /* Configure and enable Bank1_SRAM2 */ |
<> | 144:ef7eb2e8f9f7 | 479 | FMC_Bank1->BTCR[2] = 0x00001091; |
<> | 144:ef7eb2e8f9f7 | 480 | FMC_Bank1->BTCR[3] = 0x00110212; |
<> | 144:ef7eb2e8f9f7 | 481 | FMC_Bank1E->BWTR[2] = 0x0fffffff; |
<> | 144:ef7eb2e8f9f7 | 482 | #endif /* STM32F469xx || STM32F479xx */ |
<> | 144:ef7eb2e8f9f7 | 483 | |
<> | 144:ef7eb2e8f9f7 | 484 | (void)(tmp); |
<> | 144:ef7eb2e8f9f7 | 485 | } |
<> | 144:ef7eb2e8f9f7 | 486 | #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */ |
<> | 144:ef7eb2e8f9f7 | 487 | #elif defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM) |
<> | 144:ef7eb2e8f9f7 | 488 | /** |
<> | 144:ef7eb2e8f9f7 | 489 | * @brief Setup the external memory controller. |
<> | 144:ef7eb2e8f9f7 | 490 | * Called in startup_stm32f4xx.s before jump to main. |
<> | 144:ef7eb2e8f9f7 | 491 | * This function configures the external memories (SRAM/SDRAM) |
<> | 144:ef7eb2e8f9f7 | 492 | * This SRAM/SDRAM will be used as program data memory (including heap and stack). |
<> | 144:ef7eb2e8f9f7 | 493 | * @param None |
<> | 144:ef7eb2e8f9f7 | 494 | * @retval None |
<> | 144:ef7eb2e8f9f7 | 495 | */ |
<> | 144:ef7eb2e8f9f7 | 496 | void SystemInit_ExtMemCtl(void) |
<> | 144:ef7eb2e8f9f7 | 497 | { |
<> | 144:ef7eb2e8f9f7 | 498 | __IO uint32_t tmp = 0x00; |
<> | 144:ef7eb2e8f9f7 | 499 | #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\ |
<> | 144:ef7eb2e8f9f7 | 500 | || defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) |
<> | 144:ef7eb2e8f9f7 | 501 | #if defined (DATA_IN_ExtSDRAM) |
<> | 144:ef7eb2e8f9f7 | 502 | register uint32_t tmpreg = 0, timeout = 0xFFFF; |
<> | 144:ef7eb2e8f9f7 | 503 | register __IO uint32_t index; |
<> | 144:ef7eb2e8f9f7 | 504 | |
<> | 144:ef7eb2e8f9f7 | 505 | #if defined(STM32F446xx) |
<> | 144:ef7eb2e8f9f7 | 506 | /* Enable GPIOA, GPIOC, GPIOD, GPIOE, GPIOF, GPIOG interface |
<> | 144:ef7eb2e8f9f7 | 507 | clock */ |
<> | 144:ef7eb2e8f9f7 | 508 | RCC->AHB1ENR |= 0x0000007D; |
<> | 144:ef7eb2e8f9f7 | 509 | #else |
<> | 144:ef7eb2e8f9f7 | 510 | /* Enable GPIOC, GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface |
<> | 144:ef7eb2e8f9f7 | 511 | clock */ |
<> | 144:ef7eb2e8f9f7 | 512 | RCC->AHB1ENR |= 0x000001F8; |
<> | 144:ef7eb2e8f9f7 | 513 | #endif /* STM32F446xx */ |
<> | 144:ef7eb2e8f9f7 | 514 | /* Delay after an RCC peripheral clock enabling */ |
<> | 144:ef7eb2e8f9f7 | 515 | tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN); |
<> | 144:ef7eb2e8f9f7 | 516 | |
<> | 144:ef7eb2e8f9f7 | 517 | #if defined(STM32F446xx) |
<> | 144:ef7eb2e8f9f7 | 518 | /* Connect PAx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 519 | GPIOA->AFR[0] |= 0xC0000000; |
<> | 144:ef7eb2e8f9f7 | 520 | GPIOA->AFR[1] |= 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 521 | /* Configure PDx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 522 | GPIOA->MODER |= 0x00008000; |
<> | 144:ef7eb2e8f9f7 | 523 | /* Configure PDx pins speed to 50 MHz */ |
<> | 144:ef7eb2e8f9f7 | 524 | GPIOA->OSPEEDR |= 0x00008000; |
<> | 144:ef7eb2e8f9f7 | 525 | /* Configure PDx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 526 | GPIOA->OTYPER |= 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 527 | /* No pull-up, pull-down for PDx pins */ |
<> | 144:ef7eb2e8f9f7 | 528 | GPIOA->PUPDR |= 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 529 | |
<> | 144:ef7eb2e8f9f7 | 530 | /* Connect PCx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 531 | GPIOC->AFR[0] |= 0x00CC0000; |
<> | 144:ef7eb2e8f9f7 | 532 | GPIOC->AFR[1] |= 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 533 | /* Configure PDx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 534 | GPIOC->MODER |= 0x00000A00; |
<> | 144:ef7eb2e8f9f7 | 535 | /* Configure PDx pins speed to 50 MHz */ |
<> | 144:ef7eb2e8f9f7 | 536 | GPIOC->OSPEEDR |= 0x00000A00; |
<> | 144:ef7eb2e8f9f7 | 537 | /* Configure PDx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 538 | GPIOC->OTYPER |= 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 539 | /* No pull-up, pull-down for PDx pins */ |
<> | 144:ef7eb2e8f9f7 | 540 | GPIOC->PUPDR |= 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 541 | #endif /* STM32F446xx */ |
<> | 144:ef7eb2e8f9f7 | 542 | |
<> | 144:ef7eb2e8f9f7 | 543 | /* Connect PDx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 544 | GPIOD->AFR[0] = 0x000000CC; |
<> | 144:ef7eb2e8f9f7 | 545 | GPIOD->AFR[1] = 0xCC000CCC; |
<> | 144:ef7eb2e8f9f7 | 546 | /* Configure PDx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 547 | GPIOD->MODER = 0xA02A000A; |
<> | 144:ef7eb2e8f9f7 | 548 | /* Configure PDx pins speed to 50 MHz */ |
<> | 144:ef7eb2e8f9f7 | 549 | GPIOD->OSPEEDR = 0xA02A000A; |
<> | 144:ef7eb2e8f9f7 | 550 | /* Configure PDx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 551 | GPIOD->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 552 | /* No pull-up, pull-down for PDx pins */ |
<> | 144:ef7eb2e8f9f7 | 553 | GPIOD->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 554 | |
<> | 144:ef7eb2e8f9f7 | 555 | /* Connect PEx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 556 | GPIOE->AFR[0] = 0xC00000CC; |
<> | 144:ef7eb2e8f9f7 | 557 | GPIOE->AFR[1] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 558 | /* Configure PEx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 559 | GPIOE->MODER = 0xAAAA800A; |
<> | 144:ef7eb2e8f9f7 | 560 | /* Configure PEx pins speed to 50 MHz */ |
<> | 144:ef7eb2e8f9f7 | 561 | GPIOE->OSPEEDR = 0xAAAA800A; |
<> | 144:ef7eb2e8f9f7 | 562 | /* Configure PEx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 563 | GPIOE->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 564 | /* No pull-up, pull-down for PEx pins */ |
<> | 144:ef7eb2e8f9f7 | 565 | GPIOE->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 566 | |
<> | 144:ef7eb2e8f9f7 | 567 | /* Connect PFx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 568 | GPIOF->AFR[0] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 569 | GPIOF->AFR[1] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 570 | /* Configure PFx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 571 | GPIOF->MODER = 0xAA800AAA; |
<> | 144:ef7eb2e8f9f7 | 572 | /* Configure PFx pins speed to 50 MHz */ |
<> | 144:ef7eb2e8f9f7 | 573 | GPIOF->OSPEEDR = 0xAA800AAA; |
<> | 144:ef7eb2e8f9f7 | 574 | /* Configure PFx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 575 | GPIOF->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 576 | /* No pull-up, pull-down for PFx pins */ |
<> | 144:ef7eb2e8f9f7 | 577 | GPIOF->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 578 | |
<> | 144:ef7eb2e8f9f7 | 579 | /* Connect PGx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 580 | GPIOG->AFR[0] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 581 | GPIOG->AFR[1] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 582 | /* Configure PGx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 583 | GPIOG->MODER = 0xAAAAAAAA; |
<> | 144:ef7eb2e8f9f7 | 584 | /* Configure PGx pins speed to 50 MHz */ |
<> | 144:ef7eb2e8f9f7 | 585 | GPIOG->OSPEEDR = 0xAAAAAAAA; |
<> | 144:ef7eb2e8f9f7 | 586 | /* Configure PGx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 587 | GPIOG->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 588 | /* No pull-up, pull-down for PGx pins */ |
<> | 144:ef7eb2e8f9f7 | 589 | GPIOG->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 590 | |
<> | 144:ef7eb2e8f9f7 | 591 | #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\ |
<> | 144:ef7eb2e8f9f7 | 592 | || defined(STM32F469xx) || defined(STM32F479xx) |
<> | 144:ef7eb2e8f9f7 | 593 | /* Connect PHx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 594 | GPIOH->AFR[0] = 0x00C0CC00; |
<> | 144:ef7eb2e8f9f7 | 595 | GPIOH->AFR[1] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 596 | /* Configure PHx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 597 | GPIOH->MODER = 0xAAAA08A0; |
<> | 144:ef7eb2e8f9f7 | 598 | /* Configure PHx pins speed to 50 MHz */ |
<> | 144:ef7eb2e8f9f7 | 599 | GPIOH->OSPEEDR = 0xAAAA08A0; |
<> | 144:ef7eb2e8f9f7 | 600 | /* Configure PHx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 601 | GPIOH->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 602 | /* No pull-up, pull-down for PHx pins */ |
<> | 144:ef7eb2e8f9f7 | 603 | GPIOH->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 604 | |
<> | 144:ef7eb2e8f9f7 | 605 | /* Connect PIx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 606 | GPIOI->AFR[0] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 607 | GPIOI->AFR[1] = 0x00000CC0; |
<> | 144:ef7eb2e8f9f7 | 608 | /* Configure PIx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 609 | GPIOI->MODER = 0x0028AAAA; |
<> | 144:ef7eb2e8f9f7 | 610 | /* Configure PIx pins speed to 50 MHz */ |
<> | 144:ef7eb2e8f9f7 | 611 | GPIOI->OSPEEDR = 0x0028AAAA; |
<> | 144:ef7eb2e8f9f7 | 612 | /* Configure PIx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 613 | GPIOI->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 614 | /* No pull-up, pull-down for PIx pins */ |
<> | 144:ef7eb2e8f9f7 | 615 | GPIOI->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 616 | #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */ |
<> | 144:ef7eb2e8f9f7 | 617 | |
<> | 144:ef7eb2e8f9f7 | 618 | /*-- FMC Configuration -------------------------------------------------------*/ |
<> | 144:ef7eb2e8f9f7 | 619 | /* Enable the FMC interface clock */ |
<> | 144:ef7eb2e8f9f7 | 620 | RCC->AHB3ENR |= 0x00000001; |
<> | 144:ef7eb2e8f9f7 | 621 | /* Delay after an RCC peripheral clock enabling */ |
<> | 144:ef7eb2e8f9f7 | 622 | tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN); |
<> | 144:ef7eb2e8f9f7 | 623 | |
<> | 144:ef7eb2e8f9f7 | 624 | /* Configure and enable SDRAM bank1 */ |
<> | 144:ef7eb2e8f9f7 | 625 | #if defined(STM32F446xx) |
<> | 144:ef7eb2e8f9f7 | 626 | FMC_Bank5_6->SDCR[0] = 0x00001954; |
<> | 144:ef7eb2e8f9f7 | 627 | #else |
<> | 144:ef7eb2e8f9f7 | 628 | FMC_Bank5_6->SDCR[0] = 0x000019E4; |
<> | 144:ef7eb2e8f9f7 | 629 | #endif /* STM32F446xx */ |
<> | 144:ef7eb2e8f9f7 | 630 | FMC_Bank5_6->SDTR[0] = 0x01115351; |
<> | 144:ef7eb2e8f9f7 | 631 | |
<> | 144:ef7eb2e8f9f7 | 632 | /* SDRAM initialization sequence */ |
<> | 144:ef7eb2e8f9f7 | 633 | /* Clock enable command */ |
<> | 144:ef7eb2e8f9f7 | 634 | FMC_Bank5_6->SDCMR = 0x00000011; |
<> | 144:ef7eb2e8f9f7 | 635 | tmpreg = FMC_Bank5_6->SDSR & 0x00000020; |
<> | 144:ef7eb2e8f9f7 | 636 | while((tmpreg != 0) && (timeout-- > 0)) |
<> | 144:ef7eb2e8f9f7 | 637 | { |
<> | 144:ef7eb2e8f9f7 | 638 | tmpreg = FMC_Bank5_6->SDSR & 0x00000020; |
<> | 144:ef7eb2e8f9f7 | 639 | } |
<> | 144:ef7eb2e8f9f7 | 640 | |
<> | 144:ef7eb2e8f9f7 | 641 | /* Delay */ |
<> | 144:ef7eb2e8f9f7 | 642 | for (index = 0; index<1000; index++); |
<> | 144:ef7eb2e8f9f7 | 643 | |
<> | 144:ef7eb2e8f9f7 | 644 | /* PALL command */ |
<> | 144:ef7eb2e8f9f7 | 645 | FMC_Bank5_6->SDCMR = 0x00000012; |
<> | 144:ef7eb2e8f9f7 | 646 | timeout = 0xFFFF; |
<> | 144:ef7eb2e8f9f7 | 647 | while((tmpreg != 0) && (timeout-- > 0)) |
<> | 144:ef7eb2e8f9f7 | 648 | { |
<> | 144:ef7eb2e8f9f7 | 649 | tmpreg = FMC_Bank5_6->SDSR & 0x00000020; |
<> | 144:ef7eb2e8f9f7 | 650 | } |
<> | 144:ef7eb2e8f9f7 | 651 | |
<> | 144:ef7eb2e8f9f7 | 652 | /* Auto refresh command */ |
<> | 144:ef7eb2e8f9f7 | 653 | #if defined(STM32F446xx) |
<> | 144:ef7eb2e8f9f7 | 654 | FMC_Bank5_6->SDCMR = 0x000000F3; |
<> | 144:ef7eb2e8f9f7 | 655 | #else |
<> | 144:ef7eb2e8f9f7 | 656 | FMC_Bank5_6->SDCMR = 0x00000073; |
<> | 144:ef7eb2e8f9f7 | 657 | #endif /* STM32F446xx */ |
<> | 144:ef7eb2e8f9f7 | 658 | timeout = 0xFFFF; |
<> | 144:ef7eb2e8f9f7 | 659 | while((tmpreg != 0) && (timeout-- > 0)) |
<> | 144:ef7eb2e8f9f7 | 660 | { |
<> | 144:ef7eb2e8f9f7 | 661 | tmpreg = FMC_Bank5_6->SDSR & 0x00000020; |
<> | 144:ef7eb2e8f9f7 | 662 | } |
<> | 144:ef7eb2e8f9f7 | 663 | |
<> | 144:ef7eb2e8f9f7 | 664 | /* MRD register program */ |
<> | 144:ef7eb2e8f9f7 | 665 | #if defined(STM32F446xx) |
<> | 144:ef7eb2e8f9f7 | 666 | FMC_Bank5_6->SDCMR = 0x00044014; |
<> | 144:ef7eb2e8f9f7 | 667 | #else |
<> | 144:ef7eb2e8f9f7 | 668 | FMC_Bank5_6->SDCMR = 0x00046014; |
<> | 144:ef7eb2e8f9f7 | 669 | #endif /* STM32F446xx */ |
<> | 144:ef7eb2e8f9f7 | 670 | timeout = 0xFFFF; |
<> | 144:ef7eb2e8f9f7 | 671 | while((tmpreg != 0) && (timeout-- > 0)) |
<> | 144:ef7eb2e8f9f7 | 672 | { |
<> | 144:ef7eb2e8f9f7 | 673 | tmpreg = FMC_Bank5_6->SDSR & 0x00000020; |
<> | 144:ef7eb2e8f9f7 | 674 | } |
<> | 144:ef7eb2e8f9f7 | 675 | |
<> | 144:ef7eb2e8f9f7 | 676 | /* Set refresh count */ |
<> | 144:ef7eb2e8f9f7 | 677 | tmpreg = FMC_Bank5_6->SDRTR; |
<> | 144:ef7eb2e8f9f7 | 678 | #if defined(STM32F446xx) |
<> | 144:ef7eb2e8f9f7 | 679 | FMC_Bank5_6->SDRTR = (tmpreg | (0x0000050C<<1)); |
<> | 144:ef7eb2e8f9f7 | 680 | #else |
<> | 144:ef7eb2e8f9f7 | 681 | FMC_Bank5_6->SDRTR = (tmpreg | (0x0000027C<<1)); |
<> | 144:ef7eb2e8f9f7 | 682 | #endif /* STM32F446xx */ |
<> | 144:ef7eb2e8f9f7 | 683 | |
<> | 144:ef7eb2e8f9f7 | 684 | /* Disable write protection */ |
<> | 144:ef7eb2e8f9f7 | 685 | tmpreg = FMC_Bank5_6->SDCR[0]; |
<> | 144:ef7eb2e8f9f7 | 686 | FMC_Bank5_6->SDCR[0] = (tmpreg & 0xFFFFFDFF); |
<> | 144:ef7eb2e8f9f7 | 687 | #endif /* DATA_IN_ExtSDRAM */ |
<> | 144:ef7eb2e8f9f7 | 688 | #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx */ |
<> | 144:ef7eb2e8f9f7 | 689 | |
<> | 144:ef7eb2e8f9f7 | 690 | #if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx)\ |
<> | 144:ef7eb2e8f9f7 | 691 | || defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\ |
<> | 144:ef7eb2e8f9f7 | 692 | || defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F412Zx) || defined(STM32F412Vx) |
<> | 144:ef7eb2e8f9f7 | 693 | |
<> | 144:ef7eb2e8f9f7 | 694 | #if defined(DATA_IN_ExtSRAM) |
<> | 144:ef7eb2e8f9f7 | 695 | /*-- GPIOs Configuration -----------------------------------------------------*/ |
<> | 144:ef7eb2e8f9f7 | 696 | /* Enable GPIOD, GPIOE, GPIOF and GPIOG interface clock */ |
<> | 144:ef7eb2e8f9f7 | 697 | RCC->AHB1ENR |= 0x00000078; |
<> | 144:ef7eb2e8f9f7 | 698 | /* Delay after an RCC peripheral clock enabling */ |
<> | 144:ef7eb2e8f9f7 | 699 | tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIODEN); |
<> | 144:ef7eb2e8f9f7 | 700 | |
<> | 144:ef7eb2e8f9f7 | 701 | /* Connect PDx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 702 | GPIOD->AFR[0] = 0x00CCC0CC; |
<> | 144:ef7eb2e8f9f7 | 703 | GPIOD->AFR[1] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 704 | /* Configure PDx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 705 | GPIOD->MODER = 0xAAAA0A8A; |
<> | 144:ef7eb2e8f9f7 | 706 | /* Configure PDx pins speed to 100 MHz */ |
<> | 144:ef7eb2e8f9f7 | 707 | GPIOD->OSPEEDR = 0xFFFF0FCF; |
<> | 144:ef7eb2e8f9f7 | 708 | /* Configure PDx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 709 | GPIOD->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 710 | /* No pull-up, pull-down for PDx pins */ |
<> | 144:ef7eb2e8f9f7 | 711 | GPIOD->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 712 | |
<> | 144:ef7eb2e8f9f7 | 713 | /* Connect PEx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 714 | GPIOE->AFR[0] = 0xC00CC0CC; |
<> | 144:ef7eb2e8f9f7 | 715 | GPIOE->AFR[1] = 0xCCCCCCCC; |
<> | 144:ef7eb2e8f9f7 | 716 | /* Configure PEx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 717 | GPIOE->MODER = 0xAAAA828A; |
<> | 144:ef7eb2e8f9f7 | 718 | /* Configure PEx pins speed to 100 MHz */ |
<> | 144:ef7eb2e8f9f7 | 719 | GPIOE->OSPEEDR = 0xFFFFC3CF; |
<> | 144:ef7eb2e8f9f7 | 720 | /* Configure PEx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 721 | GPIOE->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 722 | /* No pull-up, pull-down for PEx pins */ |
<> | 144:ef7eb2e8f9f7 | 723 | GPIOE->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 724 | |
<> | 144:ef7eb2e8f9f7 | 725 | /* Connect PFx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 726 | GPIOF->AFR[0] = 0x00CCCCCC; |
<> | 144:ef7eb2e8f9f7 | 727 | GPIOF->AFR[1] = 0xCCCC0000; |
<> | 144:ef7eb2e8f9f7 | 728 | /* Configure PFx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 729 | GPIOF->MODER = 0xAA000AAA; |
<> | 144:ef7eb2e8f9f7 | 730 | /* Configure PFx pins speed to 100 MHz */ |
<> | 144:ef7eb2e8f9f7 | 731 | GPIOF->OSPEEDR = 0xFF000FFF; |
<> | 144:ef7eb2e8f9f7 | 732 | /* Configure PFx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 733 | GPIOF->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 734 | /* No pull-up, pull-down for PFx pins */ |
<> | 144:ef7eb2e8f9f7 | 735 | GPIOF->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 736 | |
<> | 144:ef7eb2e8f9f7 | 737 | /* Connect PGx pins to FMC Alternate function */ |
<> | 144:ef7eb2e8f9f7 | 738 | GPIOG->AFR[0] = 0x00CCCCCC; |
<> | 144:ef7eb2e8f9f7 | 739 | GPIOG->AFR[1] = 0x000000C0; |
<> | 144:ef7eb2e8f9f7 | 740 | /* Configure PGx pins in Alternate function mode */ |
<> | 144:ef7eb2e8f9f7 | 741 | GPIOG->MODER = 0x00085AAA; |
<> | 144:ef7eb2e8f9f7 | 742 | /* Configure PGx pins speed to 100 MHz */ |
<> | 144:ef7eb2e8f9f7 | 743 | GPIOG->OSPEEDR = 0x000CAFFF; |
<> | 144:ef7eb2e8f9f7 | 744 | /* Configure PGx pins Output type to push-pull */ |
<> | 144:ef7eb2e8f9f7 | 745 | GPIOG->OTYPER = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 746 | /* No pull-up, pull-down for PGx pins */ |
<> | 144:ef7eb2e8f9f7 | 747 | GPIOG->PUPDR = 0x00000000; |
<> | 144:ef7eb2e8f9f7 | 748 | |
<> | 144:ef7eb2e8f9f7 | 749 | /*-- FMC/FSMC Configuration --------------------------------------------------*/ |
<> | 144:ef7eb2e8f9f7 | 750 | /* Enable the FMC/FSMC interface clock */ |
<> | 144:ef7eb2e8f9f7 | 751 | RCC->AHB3ENR |= 0x00000001; |
<> | 144:ef7eb2e8f9f7 | 752 | |
<> | 144:ef7eb2e8f9f7 | 753 | #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx)|| defined(STM32F439xx) |
<> | 144:ef7eb2e8f9f7 | 754 | /* Configure and enable Bank1_SRAM2 */ |
<> | 144:ef7eb2e8f9f7 | 755 | FMC_Bank1->BTCR[2] = 0x00001011; |
<> | 144:ef7eb2e8f9f7 | 756 | FMC_Bank1->BTCR[3] = 0x00000201; |
<> | 144:ef7eb2e8f9f7 | 757 | FMC_Bank1E->BWTR[2] = 0x0fffffff; |
<> | 144:ef7eb2e8f9f7 | 758 | #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */ |
<> | 144:ef7eb2e8f9f7 | 759 | #if defined(STM32F469xx) || defined(STM32F479xx) |
<> | 144:ef7eb2e8f9f7 | 760 | /* Delay after an RCC peripheral clock enabling */ |
<> | 144:ef7eb2e8f9f7 | 761 | tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN); |
<> | 144:ef7eb2e8f9f7 | 762 | /* Configure and enable Bank1_SRAM2 */ |
<> | 144:ef7eb2e8f9f7 | 763 | FMC_Bank1->BTCR[2] = 0x00001091; |
<> | 144:ef7eb2e8f9f7 | 764 | FMC_Bank1->BTCR[3] = 0x00110212; |
<> | 144:ef7eb2e8f9f7 | 765 | FMC_Bank1E->BWTR[2] = 0x0fffffff; |
<> | 144:ef7eb2e8f9f7 | 766 | #endif /* STM32F469xx || STM32F479xx */ |
<> | 144:ef7eb2e8f9f7 | 767 | #if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx)|| defined(STM32F417xx)\ |
<> | 144:ef7eb2e8f9f7 | 768 | || defined(STM32F412Zx) || defined(STM32F412Vx) |
<> | 144:ef7eb2e8f9f7 | 769 | /* Delay after an RCC peripheral clock enabling */ |
<> | 144:ef7eb2e8f9f7 | 770 | tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FSMCEN); |
<> | 144:ef7eb2e8f9f7 | 771 | /* Configure and enable Bank1_SRAM2 */ |
<> | 144:ef7eb2e8f9f7 | 772 | FSMC_Bank1->BTCR[2] = 0x00001011; |
<> | 144:ef7eb2e8f9f7 | 773 | FSMC_Bank1->BTCR[3] = 0x00000201; |
<> | 144:ef7eb2e8f9f7 | 774 | FSMC_Bank1E->BWTR[2] = 0x0FFFFFFF; |
<> | 144:ef7eb2e8f9f7 | 775 | #endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F412Zx || STM32F412Vx */ |
<> | 144:ef7eb2e8f9f7 | 776 | |
<> | 144:ef7eb2e8f9f7 | 777 | #endif /* DATA_IN_ExtSRAM */ |
<> | 144:ef7eb2e8f9f7 | 778 | #endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx ||\ |
<> | 144:ef7eb2e8f9f7 | 779 | STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx || STM32F412Zx || STM32F412Vx */ |
<> | 144:ef7eb2e8f9f7 | 780 | (void)(tmp); |
<> | 144:ef7eb2e8f9f7 | 781 | } |
<> | 144:ef7eb2e8f9f7 | 782 | #endif /* DATA_IN_ExtSRAM && DATA_IN_ExtSDRAM */ |
<> | 144:ef7eb2e8f9f7 | 783 | |
<> | 144:ef7eb2e8f9f7 | 784 | /** System Clock Configuration |
<> | 144:ef7eb2e8f9f7 | 785 | */ |
<> | 144:ef7eb2e8f9f7 | 786 | #if USE_SYSCLOCK_168 != 0 |
<> | 144:ef7eb2e8f9f7 | 787 | /* |
<> | 144:ef7eb2e8f9f7 | 788 | * generated code by STM32CubeMX 4.4.0 for board 32F429Discovery |
<> | 144:ef7eb2e8f9f7 | 789 | * and SYSCLK=168MHZ |
<> | 144:ef7eb2e8f9f7 | 790 | */ |
<> | 144:ef7eb2e8f9f7 | 791 | void SetSysClock(void) |
<> | 144:ef7eb2e8f9f7 | 792 | { |
<> | 144:ef7eb2e8f9f7 | 793 | |
<> | 144:ef7eb2e8f9f7 | 794 | RCC_OscInitTypeDef RCC_OscInitStruct; |
<> | 144:ef7eb2e8f9f7 | 795 | RCC_ClkInitTypeDef RCC_ClkInitStruct; |
<> | 144:ef7eb2e8f9f7 | 796 | |
<> | 144:ef7eb2e8f9f7 | 797 | __PWR_CLK_ENABLE(); |
<> | 144:ef7eb2e8f9f7 | 798 | |
<> | 144:ef7eb2e8f9f7 | 799 | __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1); |
<> | 144:ef7eb2e8f9f7 | 800 | |
<> | 144:ef7eb2e8f9f7 | 801 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; |
<> | 144:ef7eb2e8f9f7 | 802 | RCC_OscInitStruct.HSEState = RCC_HSE_ON; |
<> | 144:ef7eb2e8f9f7 | 803 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; |
<> | 144:ef7eb2e8f9f7 | 804 | RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; |
<> | 144:ef7eb2e8f9f7 | 805 | RCC_OscInitStruct.PLL.PLLM = 8; |
<> | 144:ef7eb2e8f9f7 | 806 | RCC_OscInitStruct.PLL.PLLN = 336; |
<> | 144:ef7eb2e8f9f7 | 807 | RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; |
<> | 144:ef7eb2e8f9f7 | 808 | RCC_OscInitStruct.PLL.PLLQ = 7; |
<> | 144:ef7eb2e8f9f7 | 809 | HAL_RCC_OscConfig(&RCC_OscInitStruct); |
<> | 144:ef7eb2e8f9f7 | 810 | |
<> | 144:ef7eb2e8f9f7 | 811 | RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1 |
<> | 144:ef7eb2e8f9f7 | 812 | |RCC_CLOCKTYPE_PCLK2; |
<> | 144:ef7eb2e8f9f7 | 813 | RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; |
<> | 144:ef7eb2e8f9f7 | 814 | RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; |
<> | 144:ef7eb2e8f9f7 | 815 | RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4; |
<> | 144:ef7eb2e8f9f7 | 816 | RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2; |
<> | 144:ef7eb2e8f9f7 | 817 | HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5); |
<> | 144:ef7eb2e8f9f7 | 818 | |
<> | 144:ef7eb2e8f9f7 | 819 | // HAL_RCC_MCOConfig(RCC_MCO2, RCC_MCO2SOURCE_SYSCLK, RCC_MCODIV_3); |
<> | 144:ef7eb2e8f9f7 | 820 | |
<> | 144:ef7eb2e8f9f7 | 821 | |
<> | 144:ef7eb2e8f9f7 | 822 | } |
<> | 144:ef7eb2e8f9f7 | 823 | |
<> | 144:ef7eb2e8f9f7 | 824 | #elif USE_SYSCLOCK_180 != 0 |
<> | 144:ef7eb2e8f9f7 | 825 | /* |
<> | 144:ef7eb2e8f9f7 | 826 | * generated code by STM32CubeMX 4.4.0 for board 32F429Discovery |
<> | 144:ef7eb2e8f9f7 | 827 | * and SYSCLK=180MHZ |
<> | 144:ef7eb2e8f9f7 | 828 | */ |
<> | 144:ef7eb2e8f9f7 | 829 | void SetSysClock(void) |
<> | 144:ef7eb2e8f9f7 | 830 | { |
<> | 144:ef7eb2e8f9f7 | 831 | |
<> | 144:ef7eb2e8f9f7 | 832 | RCC_OscInitTypeDef RCC_OscInitStruct; |
<> | 144:ef7eb2e8f9f7 | 833 | RCC_ClkInitTypeDef RCC_ClkInitStruct; |
<> | 144:ef7eb2e8f9f7 | 834 | |
<> | 144:ef7eb2e8f9f7 | 835 | __PWR_CLK_ENABLE(); |
<> | 144:ef7eb2e8f9f7 | 836 | |
<> | 144:ef7eb2e8f9f7 | 837 | __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1); |
<> | 144:ef7eb2e8f9f7 | 838 | |
<> | 144:ef7eb2e8f9f7 | 839 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; |
<> | 144:ef7eb2e8f9f7 | 840 | RCC_OscInitStruct.HSEState = RCC_HSE_ON; |
<> | 144:ef7eb2e8f9f7 | 841 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; |
<> | 144:ef7eb2e8f9f7 | 842 | RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; |
<> | 144:ef7eb2e8f9f7 | 843 | RCC_OscInitStruct.PLL.PLLM = 8; |
<> | 144:ef7eb2e8f9f7 | 844 | RCC_OscInitStruct.PLL.PLLN = 360; |
<> | 144:ef7eb2e8f9f7 | 845 | RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; |
<> | 144:ef7eb2e8f9f7 | 846 | RCC_OscInitStruct.PLL.PLLQ = 7; |
<> | 144:ef7eb2e8f9f7 | 847 | HAL_RCC_OscConfig(&RCC_OscInitStruct); |
<> | 144:ef7eb2e8f9f7 | 848 | |
<> | 144:ef7eb2e8f9f7 | 849 | HAL_PWREx_ActivateOverDrive(); |
<> | 144:ef7eb2e8f9f7 | 850 | |
<> | 144:ef7eb2e8f9f7 | 851 | RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1 |
<> | 144:ef7eb2e8f9f7 | 852 | |RCC_CLOCKTYPE_PCLK2; |
<> | 144:ef7eb2e8f9f7 | 853 | RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; |
<> | 144:ef7eb2e8f9f7 | 854 | RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; |
<> | 144:ef7eb2e8f9f7 | 855 | RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4; |
<> | 144:ef7eb2e8f9f7 | 856 | RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2; |
<> | 144:ef7eb2e8f9f7 | 857 | HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5); |
<> | 144:ef7eb2e8f9f7 | 858 | |
<> | 144:ef7eb2e8f9f7 | 859 | // HAL_RCC_MCOConfig(RCC_MCO2, RCC_MCO2SOURCE_SYSCLK, RCC_MCODIV_3); |
<> | 144:ef7eb2e8f9f7 | 860 | |
<> | 144:ef7eb2e8f9f7 | 861 | } |
<> | 144:ef7eb2e8f9f7 | 862 | #endif |
<> | 144:ef7eb2e8f9f7 | 863 | |
<> | 144:ef7eb2e8f9f7 | 864 | /** |
<> | 144:ef7eb2e8f9f7 | 865 | * @} |
<> | 144:ef7eb2e8f9f7 | 866 | */ |
<> | 144:ef7eb2e8f9f7 | 867 | |
<> | 144:ef7eb2e8f9f7 | 868 | /** |
<> | 144:ef7eb2e8f9f7 | 869 | * @} |
<> | 144:ef7eb2e8f9f7 | 870 | */ |
<> | 144:ef7eb2e8f9f7 | 871 | |
<> | 144:ef7eb2e8f9f7 | 872 | /** |
<> | 144:ef7eb2e8f9f7 | 873 | * @} |
<> | 144:ef7eb2e8f9f7 | 874 | */ |
<> | 144:ef7eb2e8f9f7 | 875 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |