133 lines
3.5 KiB
C
133 lines
3.5 KiB
C
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/*
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* Copyright (c) 2021 Vestas Wind Systems A/S
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <drivers/hwinfo.h>
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#include <logging/log.h>
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#include <fsl_rcm.h>
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LOG_MODULE_REGISTER(hwinfo_rcm, CONFIG_HWINFO_LOG_LEVEL);
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/**
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* @brief Translate from RCM reset source mask to Zephyr hwinfo sources mask.
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*
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* Translate bitmask from MCUX RCM reset source bitmask to Zephyr
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* hwinfo reset source bitmask.
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*
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* @param NXP MCUX RCM reset source mask.
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* @retval Zephyr hwinfo reset source mask.
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*/
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static uint32_t hwinfo_mcux_rcm_xlate_reset_sources(uint32_t sources)
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{
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uint32_t mask = 0;
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#if (defined(FSL_FEATURE_RCM_HAS_WAKEUP) && FSL_FEATURE_RCM_HAS_WAKEUP)
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if (sources & kRCM_SourceWakeup) {
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mask |= RESET_LOW_POWER_WAKE;
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}
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#endif /* (defined(FSL_FEATURE_RCM_HAS_WAKEUP) && FSL_FEATURE_RCM_HAS_WAKEUP) */
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if (sources & kRCM_SourceLvd) {
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mask |= RESET_BROWNOUT;
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}
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#if (defined(FSL_FEATURE_RCM_HAS_LOC) && FSL_FEATURE_RCM_HAS_LOC)
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if (sources & kRCM_SourceLoc) {
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mask |= RESET_CLOCK;
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}
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#endif /* (defined(FSL_FEATURE_RCM_HAS_LOC) && FSL_FEATURE_RCM_HAS_LOC) */
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#if (defined(FSL_FEATURE_RCM_HAS_LOL) && FSL_FEATURE_RCM_HAS_LOL)
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if (sources & kRCM_SourceLol) {
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mask |= RESET_PLL;
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}
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#endif /* (defined(FSL_FEATURE_RCM_HAS_LOL) && FSL_FEATURE_RCM_HAS_LOL) */
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if (sources & kRCM_SourceWdog) {
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mask |= RESET_WATCHDOG;
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}
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if (sources & kRCM_SourcePin) {
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mask |= RESET_PIN;
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}
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if (sources & kRCM_SourcePor) {
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mask |= RESET_POR;
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}
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#if (defined(FSL_FEATURE_RCM_HAS_JTAG) && FSL_FEATURE_RCM_HAS_JTAG)
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if (sources & kRCM_SourceJtag) {
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mask |= RESET_DEBUG;
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}
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#endif /* (defined(FSL_FEATURE_RCM_HAS_JTAG) && FSL_FEATURE_RCM_HAS_JTAG) */
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if (sources & kRCM_SourceLockup) {
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mask |= RESET_CPU_LOCKUP;
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}
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if (sources & kRCM_SourceSw) {
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mask |= RESET_SOFTWARE;
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}
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#if (defined(FSL_FEATURE_RCM_HAS_MDM_AP) && FSL_FEATURE_RCM_HAS_MDM_AP)
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if (sources & kRCM_SourceMdmap) {
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mask |= RESET_DEBUG;
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}
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#endif /* (defined(FSL_FEATURE_RCM_HAS_MDM_AP) && FSL_FEATURE_RCM_HAS_MDM_AP) */
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#if (defined(FSL_FEATURE_RCM_HAS_EZPORT) && FSL_FEATURE_RCM_HAS_EZPORT)
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if (sources & kRCM_SourceEzpt) {
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mask |= RESET_DEBUG;
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}
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#endif /* (defined(FSL_FEATURE_RCM_HAS_EZPORT) && FSL_FEATURE_RCM_HAS_EZPORT) */
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return mask;
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}
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int z_impl_hwinfo_get_reset_cause(uint32_t *cause)
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{
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uint32_t sources;
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#if (defined(FSL_FEATURE_RCM_HAS_SSRS) && FSL_FEATURE_RCM_HAS_SSRS)
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sources = RCM_GetStickyResetSources(RCM) & kRCM_SourceAll;
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#else /* (defined(FSL_FEATURE_RCM_HAS_SSRS) && FSL_FEATURE_RCM_HAS_SSRS) */
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sources = RCM_GetPreviousResetSources(RCM) & kRCM_SourceAll;
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#endif /* !(defined(FSL_FEATURE_RCM_HAS_PARAM) && FSL_FEATURE_RCM_HAS_PARAM) */
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*cause = hwinfo_mcux_rcm_xlate_reset_sources(sources);
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LOG_DBG("sources = 0x%08x, cause = 0x%08x", sources, *cause);
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return 0;
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}
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#if (defined(FSL_FEATURE_RCM_HAS_SSRS) && FSL_FEATURE_RCM_HAS_SSRS)
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int z_impl_hwinfo_clear_reset_cause(void)
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{
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uint32_t sources;
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sources = RCM_GetStickyResetSources(RCM) & kRCM_SourceAll;
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RCM_ClearStickyResetSources(RCM, sources);
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LOG_DBG("sources = 0x%08x", sources);
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return 0;
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}
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#endif /* (defined(FSL_FEATURE_RCM_HAS_SSRS) && FSL_FEATURE_RCM_HAS_SSRS) */
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#if (defined(FSL_FEATURE_RCM_HAS_PARAM) && FSL_FEATURE_RCM_HAS_PARAM)
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int z_impl_hwinfo_get_supported_reset_cause(uint32_t *supported)
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{
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uint32_t sources;
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sources = RCM_GetResetSourceImplementedStatus(RCM);
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*supported = hwinfo_mcux_rcm_xlate_reset_sources(sources);
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LOG_DBG("sources = 0x%08x, supported = 0x%08x", sources, *supported);
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return 0;
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}
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#endif /* (defined(FSL_FEATURE_RCM_HAS_PARAM) && FSL_FEATURE_RCM_HAS_PARAM) */
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