1 /*
2 ** ###################################################################
3 ** Processor: MIMX8QM6AVUFF
4 ** Compilers: GNU C Compiler
5 ** IAR ANSI C/C++ Compiler for ARM
6 ** Keil ARM C/C++ Compiler
7 **
8 ** Reference manual: IMX8QMRM, Rev. E, Jun. 2018
9 ** Version: rev. 4.0, 2018-08-30
10 ** Build: b230621
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 2016-2023 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 (2016-06-02)
26 ** Initial version.
27 ** - rev. 2.0 (2017-05-04)
28 ** RevA Header ER
29 ** - rev. 3.0 (2018-01-29)
30 ** RevB Header ER
31 ** - rev. 4.0 (2018-08-30)
32 ** RevC Header EAR
33 **
34 ** ###################################################################
35 */
36
37 /*!
38 * @file MIMX8QM6_ca53
39 * @version 4.0
40 * @date 2018-08-30
41 * @brief Device specific configuration file for MIMX8QM6_ca53 (implementation
42 * file)
43 *
44 * Provides a system configuration function and a global variable that contains
45 * the system frequency. It configures the device and initializes the oscillator
46 * (PLL) that is part of the microcontroller device.
47 */
48
49 #include <stdint.h>
50 #include "fsl_device_registers.h"
51
52
53
54 /* ----------------------------------------------------------------------------
55 -- Core clock
56 ---------------------------------------------------------------------------- */
57
58 uint32_t SystemCoreClock = DEFAULT_SYSTEM_CLOCK;
59
60 /* ----------------------------------------------------------------------------
61 -- SystemInit()
62 ---------------------------------------------------------------------------- */
63
SystemInit(void)64 void SystemInit (void) {
65 #if ((__FPU_PRESENT == 1) && (__FPU_USED == 1))
66 SCB->CPACR |= ((3UL << 10*2) | (3UL << 11*2)); /* set CP10, CP11 Full Access */
67 #endif /* ((__FPU_PRESENT == 1) && (__FPU_USED == 1)) */
68 /* i.MX8QM systemInit */
69 SystemInitHook();
70 }
71
72 /* ----------------------------------------------------------------------------
73 -- SystemCoreClockUpdate()
74 ---------------------------------------------------------------------------- */
75
SystemCoreClockUpdate(void)76 void SystemCoreClockUpdate (void) {
77 /* i.MX8QM systemCoreClockUpdate */
78 }
79
80 /* ----------------------------------------------------------------------------
81 -- SystemInitHook()
82 ---------------------------------------------------------------------------- */
83
SystemInitHook(void)84 __attribute__ ((weak)) void SystemInitHook (void) {
85 /* Void implementation of the weak function. */
86 }
87
