1 /* 2 * Copyright (c) 2021 Vestas Wind Systems A/S 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #include <zephyr/drivers/hwinfo.h> 8 #include <zephyr/logging/log.h> 9 #include <fsl_rcm.h> 10 11 LOG_MODULE_REGISTER(hwinfo_rcm, CONFIG_HWINFO_LOG_LEVEL); 12 13 /** 14 * @brief Translate from RCM reset source mask to Zephyr hwinfo sources mask. 15 * 16 * Translate bitmask from MCUX RCM reset source bitmask to Zephyr 17 * hwinfo reset source bitmask. 18 * 19 * @param NXP MCUX RCM reset source mask. 20 * @retval Zephyr hwinfo reset source mask. 21 */ hwinfo_mcux_rcm_xlate_reset_sources(uint32_t sources)22static uint32_t hwinfo_mcux_rcm_xlate_reset_sources(uint32_t sources) 23 { 24 uint32_t mask = 0; 25 26 #if (defined(FSL_FEATURE_RCM_HAS_WAKEUP) && FSL_FEATURE_RCM_HAS_WAKEUP) 27 if (sources & kRCM_SourceWakeup) { 28 mask |= RESET_LOW_POWER_WAKE; 29 } 30 #endif /* (defined(FSL_FEATURE_RCM_HAS_WAKEUP) && FSL_FEATURE_RCM_HAS_WAKEUP) */ 31 32 if (sources & kRCM_SourceLvd) { 33 mask |= RESET_BROWNOUT; 34 } 35 36 #if (defined(FSL_FEATURE_RCM_HAS_LOC) && FSL_FEATURE_RCM_HAS_LOC) 37 if (sources & kRCM_SourceLoc) { 38 mask |= RESET_CLOCK; 39 } 40 #endif /* (defined(FSL_FEATURE_RCM_HAS_LOC) && FSL_FEATURE_RCM_HAS_LOC) */ 41 42 #if (defined(FSL_FEATURE_RCM_HAS_LOL) && FSL_FEATURE_RCM_HAS_LOL) 43 if (sources & kRCM_SourceLol) { 44 mask |= RESET_PLL; 45 } 46 #endif /* (defined(FSL_FEATURE_RCM_HAS_LOL) && FSL_FEATURE_RCM_HAS_LOL) */ 47 48 if (sources & kRCM_SourceWdog) { 49 mask |= RESET_WATCHDOG; 50 } 51 52 if (sources & kRCM_SourcePin) { 53 mask |= RESET_PIN; 54 } 55 56 if (sources & kRCM_SourcePor) { 57 mask |= RESET_POR; 58 } 59 60 #if (defined(FSL_FEATURE_RCM_HAS_JTAG) && FSL_FEATURE_RCM_HAS_JTAG) 61 if (sources & kRCM_SourceJtag) { 62 mask |= RESET_DEBUG; 63 } 64 #endif /* (defined(FSL_FEATURE_RCM_HAS_JTAG) && FSL_FEATURE_RCM_HAS_JTAG) */ 65 66 if (sources & kRCM_SourceLockup) { 67 mask |= RESET_CPU_LOCKUP; 68 } 69 70 if (sources & kRCM_SourceSw) { 71 mask |= RESET_SOFTWARE; 72 } 73 74 #if (defined(FSL_FEATURE_RCM_HAS_MDM_AP) && FSL_FEATURE_RCM_HAS_MDM_AP) 75 if (sources & kRCM_SourceMdmap) { 76 mask |= RESET_DEBUG; 77 } 78 #endif /* (defined(FSL_FEATURE_RCM_HAS_MDM_AP) && FSL_FEATURE_RCM_HAS_MDM_AP) */ 79 80 #if (defined(FSL_FEATURE_RCM_HAS_EZPORT) && FSL_FEATURE_RCM_HAS_EZPORT) 81 if (sources & kRCM_SourceEzpt) { 82 mask |= RESET_DEBUG; 83 } 84 #endif /* (defined(FSL_FEATURE_RCM_HAS_EZPORT) && FSL_FEATURE_RCM_HAS_EZPORT) */ 85 86 return mask; 87 } 88 z_impl_hwinfo_get_reset_cause(uint32_t * cause)89int z_impl_hwinfo_get_reset_cause(uint32_t *cause) 90 { 91 uint32_t sources; 92 93 #if (defined(FSL_FEATURE_RCM_HAS_SSRS) && FSL_FEATURE_RCM_HAS_SSRS) 94 sources = RCM_GetStickyResetSources(RCM) & kRCM_SourceAll; 95 #else /* (defined(FSL_FEATURE_RCM_HAS_SSRS) && FSL_FEATURE_RCM_HAS_SSRS) */ 96 sources = RCM_GetPreviousResetSources(RCM) & kRCM_SourceAll; 97 #endif /* !(defined(FSL_FEATURE_RCM_HAS_PARAM) && FSL_FEATURE_RCM_HAS_PARAM) */ 98 99 *cause = hwinfo_mcux_rcm_xlate_reset_sources(sources); 100 101 LOG_DBG("sources = 0x%08x, cause = 0x%08x", sources, *cause); 102 103 return 0; 104 } 105 106 #if (defined(FSL_FEATURE_RCM_HAS_SSRS) && FSL_FEATURE_RCM_HAS_SSRS) z_impl_hwinfo_clear_reset_cause(void)107int z_impl_hwinfo_clear_reset_cause(void) 108 { 109 uint32_t sources; 110 111 sources = RCM_GetStickyResetSources(RCM) & kRCM_SourceAll; 112 RCM_ClearStickyResetSources(RCM, sources); 113 114 LOG_DBG("sources = 0x%08x", sources); 115 116 return 0; 117 } 118 #endif /* (defined(FSL_FEATURE_RCM_HAS_SSRS) && FSL_FEATURE_RCM_HAS_SSRS) */ 119 120 #if (defined(FSL_FEATURE_RCM_HAS_PARAM) && FSL_FEATURE_RCM_HAS_PARAM) z_impl_hwinfo_get_supported_reset_cause(uint32_t * supported)121int z_impl_hwinfo_get_supported_reset_cause(uint32_t *supported) 122 { 123 uint32_t sources; 124 125 sources = RCM_GetResetSourceImplementedStatus(RCM); 126 *supported = hwinfo_mcux_rcm_xlate_reset_sources(sources); 127 128 LOG_DBG("sources = 0x%08x, supported = 0x%08x", sources, *supported); 129 130 return 0; 131 } 132 #endif /* (defined(FSL_FEATURE_RCM_HAS_PARAM) && FSL_FEATURE_RCM_HAS_PARAM) */ 133
