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DISCO_L4R9I: increase system clock from 80MHz to 120MHz

pull/11301/head
jeromecoutant 2019-08-22 13:32:20 +02:00
parent bdd0689228
commit 680e0fc5fb
1 changed files with 30 additions and 30 deletions
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60
targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L4R9xI/TARGET_DISCO_L4R9I/system_clock.c
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@ -22,10 +22,10 @@
* | 3- USE_PLL_HSI (internal 16 MHz)
* | 4- USE_PLL_MSI (internal 100kHz to 48 MHz)
*-----------------------------------------------------------------------------
* SYSCLK(MHz) | 80
* AHBCLK (MHz) | 80
* APB1CLK (MHz) | 80
* APB2CLK (MHz) | 80
* SYSCLK(MHz) | 120
* AHBCLK (MHz) | 120
* APB1CLK (MHz) | 120
* APB2CLK (MHz) | 120
* USB capable | YES
*-----------------------------------------------------------------------------
**/
@ -136,11 +136,11 @@ uint8_t SetSysClock_PLL_HSE(uint8_t bypass)
RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; // 8 MHz
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLM = 1; // VCO input clock = 8 MHz (8 MHz / 1)
RCC_OscInitStruct.PLL.PLLN = 20; // VCO output clock = 160 MHz (8 MHz * 20)
RCC_OscInitStruct.PLL.PLLP = 7; // PLLSAI3 clock = 22 MHz (160 MHz / 7)
RCC_OscInitStruct.PLL.PLLM = 1; // VCO input clock = 8 MHz (8 MHz / 1)
RCC_OscInitStruct.PLL.PLLN = 30; // VCO output clock = 240 MHz (8 MHz * 30)
RCC_OscInitStruct.PLL.PLLP = 7;
RCC_OscInitStruct.PLL.PLLQ = 2;
RCC_OscInitStruct.PLL.PLLR = 2; // PLL clock = 80 MHz (160 MHz / 2)
RCC_OscInitStruct.PLL.PLLR = 2; // PLL clock = 120 MHz (240 MHz / 2)
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
return 0; // FAIL
@ -148,10 +148,10 @@ uint8_t SetSysClock_PLL_HSE(uint8_t bypass)
// Select PLL clock as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; // 80 MHz
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; // 80 MHz
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; /* 80 MHz */
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; // 80 MHz
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; // 120 MHz
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; // 120 MHz
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; // 120 MHz
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; // 120 MHz
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK) {
return 0; // FAIL
}
@ -160,9 +160,9 @@ uint8_t SetSysClock_PLL_HSE(uint8_t bypass)
RCC_PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLLSAI1;
RCC_PeriphClkInit.PLLSAI1.PLLSAI1Source = RCC_PLLSOURCE_HSE;
RCC_PeriphClkInit.PLLSAI1.PLLSAI1M = 1;
RCC_PeriphClkInit.PLLSAI1.PLLSAI1N = 12;
RCC_PeriphClkInit.PLLSAI1.PLLSAI1N = 12; // 96 MHz
RCC_PeriphClkInit.PLLSAI1.PLLSAI1P = RCC_PLLP_DIV7;
RCC_PeriphClkInit.PLLSAI1.PLLSAI1Q = RCC_PLLQ_DIV2;
RCC_PeriphClkInit.PLLSAI1.PLLSAI1Q = RCC_PLLQ_DIV2; // 48 MHz
RCC_PeriphClkInit.PLLSAI1.PLLSAI1R = RCC_PLLR_DIV2;
RCC_PeriphClkInit.PLLSAI1.PLLSAI1ClockOut = RCC_PLLSAI1_48M2CLK;
if (HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit) != HAL_OK) {
@ -217,21 +217,21 @@ uint8_t SetSysClock_PLL_HSI(void)
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; // 16 MHz
RCC_OscInitStruct.PLL.PLLM = 2; // VCO input clock = 8 MHz (16 MHz / 2)
RCC_OscInitStruct.PLL.PLLN = 20; // VCO output clock = 160 MHz (8 MHz * 20)
RCC_OscInitStruct.PLL.PLLP = 7; // PLLSAI3 clock = 22 MHz (160 MHz / 7)
RCC_OscInitStruct.PLL.PLLM = 2; // VCO input clock = 8 MHz (16 MHz / 2)
RCC_OscInitStruct.PLL.PLLN = 30; // VCO output clock = 240 MHz (8 MHz * 30)
RCC_OscInitStruct.PLL.PLLP = 7;
RCC_OscInitStruct.PLL.PLLQ = 2;
RCC_OscInitStruct.PLL.PLLR = 2; // PLL clock = 80 MHz (160 MHz / 2)
RCC_OscInitStruct.PLL.PLLR = 2; // PLL clock = 120 MHz (240 MHz / 2)
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
return 0; // FAIL
}
// Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; // 80 MHz
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; // 80 MHz
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; // 80 MHz
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; // 80 MHz
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; // 120 MHz
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; // 120 MHz
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; // 120 MHz
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; // 120 MHz
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK) {
return 0; // FAIL
}
@ -300,10 +300,10 @@ uint8_t SetSysClock_PLL_MSI(void)
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
RCC_OscInitStruct.PLL.PLLM = 6; /* 8 MHz */
RCC_OscInitStruct.PLL.PLLN = 40; /* 320 MHz */
RCC_OscInitStruct.PLL.PLLP = 7; /* 45 MHz */
RCC_OscInitStruct.PLL.PLLQ = 4; /* 80 MHz */
RCC_OscInitStruct.PLL.PLLR = 4; /* 80 MHz */
RCC_OscInitStruct.PLL.PLLN = 30; /* 240 MHz */
RCC_OscInitStruct.PLL.PLLP = 5; /* 48 MHz */
RCC_OscInitStruct.PLL.PLLQ = 2; /* 120 MHz */
RCC_OscInitStruct.PLL.PLLR = 2; /* 120 MHz */
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
return 0; // FAIL
}
@ -316,10 +316,10 @@ uint8_t SetSysClock_PLL_MSI(void)
// Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; /* 80 MHz */
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; /* 80 MHz */
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; /* 80 MHz */
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; /* 80 MHz */
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; /* 120 MHz */
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; /* 120 MHz */
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; /* 120 MHz */
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; /* 120 MHz */
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK) {
return 0; // FAIL
}