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H7: Override PLL1 frequency for revision Y devices.
* Some rev Y devices fail with 480MHz overclocking. Override PLL settings to set a maximum frequency of 400MHz CPU 200MHz Bus for rev Y devices.
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@ -229,12 +229,24 @@ void SystemClock_Config(void)
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RCC_OscInitStruct.HSI48State = OMV_OSC_HSI48_STATE;
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RCC_OscInitStruct.OscillatorType |= RCC_OSCILLATORTYPE_HSI48;
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#endif
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = OMV_OSC_PLL1M;
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RCC_OscInitStruct.PLL.PLLN = OMV_OSC_PLL1N;
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RCC_OscInitStruct.PLL.PLLQ = OMV_OSC_PLL1Q;
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RCC_OscInitStruct.PLL.PLLP = OMV_OSC_PLL1P;
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#if defined(MCU_SERIES_H7)
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// Override PLL1 frequency for revision Y devices,
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// with maximum frequency of 400MHz CPU 200MHz Bus.
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if (HAL_GetREVID() < 0x2003) {
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// 400MHz/200MHz
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RCC_OscInitStruct.PLL.PLLN = 200;
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RCC_OscInitStruct.PLL.PLLQ = 16;
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}
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#endif
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#if defined(OMV_OSC_PLL1R)
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RCC_OscInitStruct.PLL.PLLR = OMV_OSC_PLL1R;
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#endif
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