1 /* 2 ** ################################################################### 3 ** Processors: MIMX8UD7CVP08_dsp1 4 ** MIMX8UD7DVK08_dsp1 5 ** MIMX8UD7DVP08_dsp1 6 ** 7 ** Compiler: Xtensa Compiler 8 ** Reference manual: IMX8ULPRM, Rev. D, December. 2022 9 ** Version: rev. 5.0, 2023-04-27 10 ** Build: b240228 11 ** 12 ** Abstract: 13 ** Provides a system configuration function and a global variable that 14 ** contains the system frequency. It configures the device and initializes 15 ** the oscillator (PLL) that is part of the microcontroller device. 16 ** 17 ** Copyright 2016 Freescale Semiconductor, Inc. 18 ** Copyright 2016-2024 NXP 19 ** SPDX-License-Identifier: BSD-3-Clause 20 ** 21 ** http: www.nxp.com 22 ** mail: support@nxp.com 23 ** 24 ** Revisions: 25 ** - rev. 1.0 (2020-05-25) 26 ** Initial version. 27 ** - rev. 2.0 (2020-09-18) 28 ** Base on rev A RM 29 ** - rev. 3.0 (2021-01-20) 30 ** Base on rev A.1 RM 31 ** - rev. 4.0 (2021-07-05) 32 ** Base on rev B RM 33 ** - rev. 5.0 (2023-04-27) 34 ** Base on rev D RM 35 ** 36 ** ################################################################### 37 */ 38 39 /*! 40 * @file MIMX8UD7_dsp1 41 * @version 1.0 42 * @date 280224 43 * @brief Device specific configuration file for MIMX8UD7_cm33 (header file) 44 * 45 * Provides a system configuration function and a global variable that contains 46 * the system frequency. It configures the device and initializes the oscillator 47 * (PLL) that is part of the microcontroller device. 48 */ 49 #ifndef _SYSTEM_MIMX8UD7_dsp1_H_ 50 #define _SYSTEM_MIMX8UD7_dsp1_H_ /**< Symbol preventing repeated inclusion */ 51 52 #ifdef __cplusplus 53 extern "C" { 54 #endif 55 56 #include <stdint.h> 57 58 #define DEFAULT_SYSTEM_CLOCK 192000000U /* Default System clock value */ 59 #ifndef CLK_XTAL_OSC_CLK 60 #define CLK_XTAL_OSC_CLK 24000000U /* Default XTAL OSC clock */ 61 #endif 62 #define CLK_RTC_32K_CLK 32768U /* RTC oscillator 32 kHz (32k_clk) */ 63 #define CLK_FRO_192MHZ 192000000U /* FRO 192 MHz (fro_192m) */ 64 #define CLK_LPOSC_1MHZ 1000000U /* LPOSC 1 MHz */ 65 #ifndef CLK_LVDS_CLK 66 #define CLK_LVDS_CLK 0U /* Default LVDS clock */ 67 #endif 68 69 /** 70 * @brief System clock frequency (core clock) 71 * 72 * The system clock frequency supplied to the SysTick timer and the processor 73 * core clock. This variable can be used by the user application to setup the 74 * SysTick timer or configure other parameters. It may also be used by debugger to 75 * query the frequency of the debug timer or configure the trace clock speed 76 * SystemCoreClock is initialized with a correct predefined value. 77 */ 78 extern uint32_t SystemCoreClock; 79 80 /** 81 * @brief Setup the microcontroller system. 82 * 83 * Typically this function configures the oscillator (PLL) that is part of the 84 * microcontroller device. For systems with variable clock speed it also updates 85 * the variable SystemCoreClock. SystemInit is called from startup_device file. 86 */ 87 void SystemInit(void); 88 89 /** 90 * @brief Updates the SystemCoreClock variable. 91 * 92 * It must be called whenever the core clock is changed during program 93 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates 94 * the current core clock. 95 */ 96 void SystemCoreClockUpdate(void); 97 98 /** 99 * @brief SystemInit function hook. 100 * 101 * This weak function allows to call specific initialization code during the 102 * SystemInit() execution.This can be used when an application specific code needs 103 * to be called as close to the reset entry as possible (for example the Multicore 104 * Manager MCMGR_EarlyInit() function call). 105 * NOTE: No global r/w variables can be used in this hook function because the 106 * initialization of these variables happens after this function. 107 */ 108 void SystemInitHook(void); 109 110 #ifdef __cplusplus 111 } 112 #endif 113 114 #endif /* _SYSTEM_MIMX8UD7_dsp1_H_ */ 115
