From e5809a06cd00d0e91338142143b5b163fd4c8bed Mon Sep 17 00:00:00 2001
From: Konrad Grucel <konrad.grucel@nordicsemi.no>
Date: Mon, 25 Nov 2024 15:46:17 +0100
Subject: [PATCH] [nrf toup] Saving boot reason on nRF54h20

-Use NRF_RESETINFO register to get boot reason

Signed-off-by: Konrad Grucel <konrad.grucel@nordicsemi.no>
---
 .../Zephyr/DiagnosticDataProviderImpl.cpp     | 39 ++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

diff --git a/src/platform/Zephyr/DiagnosticDataProviderImpl.cpp b/src/platform/Zephyr/DiagnosticDataProviderImpl.cpp
index 3c0a106aea..b16504a907 100644
--- a/src/platform/Zephyr/DiagnosticDataProviderImpl.cpp
+++ b/src/platform/Zephyr/DiagnosticDataProviderImpl.cpp
@@ -52,6 +52,10 @@ const size_t kMaxHeapSize = CONFIG_SRAM_BASE_ADDRESS + KB(CONFIG_SRAM_SIZE) - PO
 
 #endif
 
+#ifdef CONFIG_SOC_SERIES_NRF54HX
+#include <hal/nrf_resetinfo.h>
+#endif
+
 namespace chip {
 namespace DeviceLayer {
 
@@ -59,9 +63,42 @@ namespace {
 
 BootReasonType DetermineBootReason()
 {
-#ifdef CONFIG_HWINFO
+#if defined(CONFIG_SOC_SERIES_NRF54HX) || defined(CONFIG_HWINFO)
     uint32_t reason;
+#endif
+
+#ifdef CONFIG_SOC_SERIES_NRF54HX
+    reason = nrf_resetinfo_resetreas_global_get(NRF_RESETINFO);
+
+    if (reason == RESETINFO_RESETREAS_GLOBAL_ResetValue)
+    {
+        return BootReasonType::kSoftwareReset;
+    }
+
+    if (reason & RESETINFO_RESETREAS_GLOBAL_RESETPORONLY_Msk)
+    {
+        return BootReasonType::kBrownOutReset;
+    }
 
+    if (reason & RESETINFO_RESETREAS_GLOBAL_DOG_Msk)
+    {
+        return BootReasonType::kHardwareWatchdogReset;
+    }
+
+    if ((reason & (RESETINFO_RESETREAS_GLOBAL_RESETPIN_Msk | RESETINFO_RESETREAS_GLOBAL_RESETPOR_Msk)) ==
+        (RESETINFO_RESETREAS_GLOBAL_RESETPIN_Msk | RESETINFO_RESETREAS_GLOBAL_RESETPOR_Msk))
+    {
+        return BootReasonType::kPowerOnReboot;
+    }
+
+    if ((reason & (RESETINFO_RESETREAS_GLOBAL_RESETPOR_Msk | RESETINFO_RESETREAS_GLOBAL_SECSREQ_Msk)) ==
+        (RESETINFO_RESETREAS_GLOBAL_RESETPOR_Msk | RESETINFO_RESETREAS_GLOBAL_SECSREQ_Msk))
+    {
+        return BootReasonType::kSoftwareUpdateCompleted;
+    }
+#endif
+
+#ifdef CONFIG_HWINFO
     if (hwinfo_get_reset_cause(&reason) != 0)
     {
         return BootReasonType::kUnspecified;