1 /*
2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
3 * Copyright 2016-2017, 2020 NXP
4 * All rights reserved.
5 *
6 * SPDX-License-Identifier: BSD-3-Clause
7 */
8
9 #include "fsl_rcm.h"
10
11 /* Component ID definition, used by tools. */
12 #ifndef FSL_COMPONENT_ID
13 #define FSL_COMPONENT_ID "platform.drivers.rcm"
14 #endif
15
16 /*!
17 * brief Configures the reset pin filter.
18 *
19 * This function sets the reset pin filter including the filter source, filter
20 * width, and so on.
21 *
22 * param base RCM peripheral base address.
23 * param config Pointer to the configuration structure.
24 */
RCM_ConfigureResetPinFilter(RCM_Type * base,const rcm_reset_pin_filter_config_t * config)25 void RCM_ConfigureResetPinFilter(RCM_Type *base, const rcm_reset_pin_filter_config_t *config)
26 {
27 assert(NULL != config);
28
29 #if (defined(FSL_FEATURE_RCM_REG_WIDTH) && (FSL_FEATURE_RCM_REG_WIDTH == 32))
30 uint32_t reg;
31
32 reg = (((uint32_t)config->enableFilterInStop << RCM_RPC_RSTFLTSS_SHIFT) | (uint32_t)config->filterInRunWait);
33 if (config->filterInRunWait == kRCM_FilterBusClock)
34 {
35 reg |= ((uint32_t)config->busClockFilterCount << RCM_RPC_RSTFLTSEL_SHIFT);
36 }
37 base->RPC = reg;
38 #else
39 base->RPFC = (((uint8_t)config->enableFilterInStop << RCM_RPFC_RSTFLTSS_SHIFT) | (uint8_t)config->filterInRunWait);
40 if (config->filterInRunWait == kRCM_FilterBusClock)
41 {
42 base->RPFW = config->busClockFilterCount;
43 }
44 #endif /* FSL_FEATURE_RCM_REG_WIDTH */
45 }
46
47 #if (defined(FSL_FEATURE_RCM_HAS_BOOTROM) && FSL_FEATURE_RCM_HAS_BOOTROM)
48 /*!
49 * brief Forces the boot from ROM.
50 *
51 * This function forces booting from ROM during all subsequent system resets.
52 *
53 * param base RCM peripheral base address.
54 * param config Boot configuration.
55 */
RCM_SetForceBootRomSource(RCM_Type * base,rcm_boot_rom_config_t config)56 void RCM_SetForceBootRomSource(RCM_Type *base, rcm_boot_rom_config_t config)
57 {
58 uint32_t reg;
59
60 reg = base->FM;
61 reg &= ~RCM_FM_FORCEROM_MASK;
62 reg |= ((uint32_t)config << RCM_FM_FORCEROM_SHIFT);
63 #if (defined(FSL_FEATURE_RCM_REG_WIDTH) && (FSL_FEATURE_RCM_REG_WIDTH == 32))
64 base->FM = reg;
65 #else
66 base->FM = (uint8_t)reg;
67 #endif /* FSL_FEATURE_RCM_REG_WIDTH == 32 */
68 }
69 #endif /* #if FSL_FEATURE_RCM_HAS_BOOTROM */
70
