1 /*
2 ** ###################################################################
3 ** Processors: MIMX9352AVTXM_cm33
4 ** MIMX9352CVVXM_cm33
5 ** MIMX9352DVVXM_cm33
6 ** MIMX9352XVVXM_cm33
7 **
8 ** Compilers: GNU C Compiler
9 ** IAR ANSI C/C++ Compiler for ARM
10 ** Keil ARM C/C++ Compiler
11 **
12 ** Reference manual: IMX93RM, Internal, November. 2021
13 ** Version: rev. 1.0, 2021-11-16
14 ** Build: b231019
15 **
16 ** Abstract:
17 ** Provides a system configuration function and a global variable that
18 ** contains the system frequency. It configures the device and initializes
19 ** the oscillator (PLL) that is part of the microcontroller device.
20 **
21 ** Copyright 2016 Freescale Semiconductor, Inc.
22 ** Copyright 2016-2023 NXP
23 ** SPDX-License-Identifier: BSD-3-Clause
24 **
25 ** http: www.nxp.com
26 ** mail: support@nxp.com
27 **
28 ** Revisions:
29 ** - rev. 1.0 (2021-11-16)
30 ** Initial version.
31 **
32 ** ###################################################################
33 */
34
35 #include "system_MIMX9352_cm33.h"
36
37 /* ----------------------------------------------------------------------------
38 -- Core clock
39 ---------------------------------------------------------------------------- */
40 uint32_t SystemCoreClock = DEFAULT_SYSTEM_CLOCK;
41
42 /* ----------------------------------------------------------------------------
43 -- SystemInit()
44 ---------------------------------------------------------------------------- */
45
SystemInit(void)46 void SystemInit(void)
47 {
48 #if ((__FPU_PRESENT == 1) && (__FPU_USED == 1))
49 SCB->CPACR |= ((3UL << 10 * 2) | (3UL << 11 * 2)); /* set CP10, CP11 Full Access in Secure mode */
50 #if defined(__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
51 SCB_NS->CPACR |= ((3UL << 10 * 2) | (3UL << 11 * 2)); /* set CP10, CP11 Full Access in Non-secure mode */
52 #endif /* (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) */
53 #endif /* ((__FPU_PRESENT == 1) && (__FPU_USED == 1)) */
54
55 SystemInitHook();
56 }
57
58 /* ----------------------------------------------------------------------------
59 -- SystemInitHook()
60 ---------------------------------------------------------------------------- */
61
SystemInitHook(void)62 __attribute__((weak)) void SystemInitHook(void)
63 {
64 /* Void implementation of the weak function. */
65 }
66
67 /* ----------------------------------------------------------------------------
68 -- SystemCoreClockUpdate()
69 ---------------------------------------------------------------------------- */
70
SystemCoreClockUpdate(void)71 void SystemCoreClockUpdate(void)
72 {
73 }
74
