micropython/ports/mcx/devices/MCXN947/system_MCXN947_cm33_core0.c

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5.0 KiB
C

/*
** ###################################################################
** Processors: MCXN947VDF_cm33_core0
** MCXN947VNL_cm33_core0
**
** Compilers: GNU C Compiler
** IAR ANSI C/C++ Compiler for ARM
** Keil ARM C/C++ Compiler
** MCUXpresso Compiler
**
** Reference manual: MCXNx4x Reference Manual
** Version: rev. 2.0, 2023-02-01
** Build: b231120
**
** Abstract:
** Provides a system configuration function and a global variable that
** contains the system frequency. It configures the device and initializes
** the oscillator (PLL) that is part of the microcontroller device.
**
** Copyright 2016 Freescale Semiconductor, Inc.
** Copyright 2016-2023 NXP
** SPDX-License-Identifier: BSD-3-Clause
**
** http: www.nxp.com
** mail: support@nxp.com
**
** Revisions:
** - rev. 1.0 (2022-10-01)
** Initial version
** - rev. 2.0 (2023-02-01)
** Initial version based on Rev. 2 Draft B
**
** ###################################################################
*/
/*!
* @file MCXN947_cm33_core0
* @version 2.0
* @date 2023-02-01
* @brief Device specific configuration file for MCXN947_cm33_core0
* (implementation file)
*
* Provides a system configuration function and a global variable that contains
* the system frequency. It configures the device and initializes the oscillator
* (PLL) that is part of the microcontroller device.
*/
#include <stdint.h>
#include "fsl_device_registers.h"
/* ----------------------------------------------------------------------------
-- Core clock
---------------------------------------------------------------------------- */
uint32_t SystemCoreClock = DEFAULT_SYSTEM_CLOCK;
/* ----------------------------------------------------------------------------
-- SystemInit()
---------------------------------------------------------------------------- */
__attribute__ ((weak)) void SystemInit(void) {
#if ((__FPU_PRESENT == 1) && (__FPU_USED == 1))
SCB->CPACR |= ((3UL << 10 * 2) | (3UL << 11 * 2)); /* set CP10, CP11 Full Access in Secure mode */
#if defined(__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
SCB_NS->CPACR |= ((3UL << 10 * 2) | (3UL << 11 * 2)); /* set CP10, CP11 Full Access in Non-secure mode */
#endif /* (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) */
#endif /* ((__FPU_PRESENT == 1) && (__FPU_USED == 1)) */
SCB->CPACR |= ((3UL << 0 * 2) | (3UL << 1 * 2)); /* set CP0, CP1 Full Access in Secure mode (enable PowerQuad) */
#if defined(__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
SCB_NS->CPACR |= ((3UL << 0 * 2) | (3UL << 1 * 2)); /* set CP0, CP1 Full Access in Normal mode (enable PowerQuad) */
#endif /* (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) */
SCB->NSACR |= ((3UL << 0) | (3UL << 10)); /* enable CP0, CP1, CP10, CP11 Non-secure Access */
SYSCON->ECC_ENABLE_CTRL = 0; /* disable RAM ECC to get max RAM size */
// SYSCON->NVM_CTRL &= ~SYSCON_NVM_CTRL_DIS_MBECC_ERR_DATA_MASK; /* enables bus error on multi-bit ECC error for data */
#if defined(__MCUXPRESSO)
extern void(*const g_pfnVectors[]) (void);
SCB->VTOR = (uint32_t)&g_pfnVectors;
#else
extern void *__Vectors;
SCB->VTOR = (uint32_t)&__Vectors;
#endif
/* enable the flash cache LPCAC */
SYSCON->LPCAC_CTRL &= ~SYSCON_LPCAC_CTRL_DIS_LPCAC_MASK;
/* Disable aGDET trigger the CHIP_RESET */
ITRC0->OUT_SEL[4][0] = (ITRC0->OUT_SEL[4][0] & ~ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN9_SELn_MASK) | (ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN9_SELn(0x2));
ITRC0->OUT_SEL[4][1] = (ITRC0->OUT_SEL[4][1] & ~ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN9_SELn_MASK) | (ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN9_SELn(0x2));
/* Disable aGDET interrupt and reset */
SPC0->ACTIVE_CFG |= SPC_ACTIVE_CFG_GLITCH_DETECT_DISABLE_MASK;
SPC0->VDD_CORE_GLITCH_DETECT_SC &= ~SPC_VDD_CORE_GLITCH_DETECT_SC_LOCK_MASK;
SPC0->VDD_CORE_GLITCH_DETECT_SC = 0x3C;
/* Disable dGDET trigger the CHIP_RESET */
ITRC0->OUT_SEL[4][0] = (ITRC0->OUT_SEL[4][0] & ~ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN0_SELn_MASK) | (ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN0_SELn(0x2));
ITRC0->OUT_SEL[4][1] = (ITRC0->OUT_SEL[4][1] & ~ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN0_SELn_MASK) | (ITRC_OUTX_SEL_OUTX_SELY_OUT_SEL_IN0_SELn(0x2));
GDET0->GDET_ENABLE1 = 0;
GDET1->GDET_ENABLE1 = 0;
SystemInitHook();
}
/* ----------------------------------------------------------------------------
-- SystemCoreClockUpdate()
---------------------------------------------------------------------------- */
void SystemCoreClockUpdate(void) {
}
/* ----------------------------------------------------------------------------
-- SystemInitHook()
---------------------------------------------------------------------------- */
__attribute__ ((weak)) void SystemInitHook(void) {
/* Void implementation of the weak function. */
}