[Silabs] Update Silabs SDK versions

.github/workflows/examples-efr32.yaml

@@ -40,7 +40,7 @@ jobs:
     if: github.actor != 'restyled-io[bot]'
 
     container:
-      image: ghcr.io/project-chip/chip-build-efr32:47
+      image: ghcr.io/project-chip/chip-build-efr32:49
       volumes:
         - "/tmp/bloat_reports:/tmp/bloat_reports"
     steps:

.github/workflows/release_artifacts.yaml

@@ -23,7 +23,7 @@ on:
 
 env:
     CHIP_NO_LOG_TIMESTAMPS: true
-    
+
 jobs:
     esp32:
         name: ESP32
@@ -38,7 +38,7 @@ jobs:
             - name: Checkout
               uses: actions/checkout@v4
               with:
-                ref: "${{ github.event.inputs.releaseTag }}"
+                  ref: "${{ github.event.inputs.releaseTag }}"
             - name: Bootstrap
               uses: ./.github/actions/bootstrap
 
@@ -64,17 +64,18 @@ jobs:
         runs-on: ubuntu-latest
 
         container:
-            image: ghcr.io/project-chip/chip-build-efr32:47
+            image: ghcr.io/project-chip/chip-build-efr32:49
         steps:
             - name: Checkout
               uses: actions/checkout@v4
               with:
-                ref: "${{ github.event.inputs.releaseTag }}"
+                  ref: "${{ github.event.inputs.releaseTag }}"
             - name: Bootstrap
               uses: ./.github/actions/bootstrap
 
             - name: Build example EFR32 Lock App
-              run: scripts/examples/gn_silabs_example.sh examples/lock-app/efr32/
+              run:
+                  scripts/examples/gn_silabs_example.sh examples/lock-app/efr32/
                   out/lock_app_debug $SILABS_BOARD
 
             - name: Upload artifact

.gitmodules

@@ -244,7 +244,7 @@
 [submodule "third_party/silabs/gecko_sdk"]
 	path = third_party/silabs/gecko_sdk
 	url = https://github.com/SiliconLabs/gecko_sdk.git
-	branch = v4.4.1
+	branch = v4.4.2
 	platforms = silabs
 [submodule "third_party/silabs/wiseconnect-wifi-bt-sdk"]
 	path = third_party/silabs/wiseconnect-wifi-bt-sdk
@@ -254,7 +254,7 @@
 [submodule "third_party/silabs/wifi_sdk"]
 	path = third_party/silabs/wifi_sdk
 	url = https://github.com/SiliconLabs/wiseconnect.git
-	branch = v3.1.3
+	branch = v3.1.3-matter-hotfix.4
 	platforms = silabs
 [submodule "editline"]
 	path = third_party/editline/repo
@@ -334,4 +334,3 @@
 	url = https://github.com/Infineon/optiga-trust-m.git
 	branch = matter_support
 	platforms = infineon
-

examples/platform/silabs/FreeRTOSConfig.h

@@ -141,11 +141,21 @@ extern uint32_t SystemCoreClock;
 /* Energy saving modes. */
 #if defined(SL_CATALOG_POWER_MANAGER_PRESENT)
 #define configUSE_TICKLESS_IDLE 1
+#elif SL_ICD_ENABLED && SI917_M4_SLEEP_ENABLED
+#define configUSE_TICKLESS_IDLE 1
+#define configEXPECTED_IDLE_TIME_BEFORE_SLEEP 70
+#define configPRE_SUPPRESS_TICKS_AND_SLEEP_PROCESSING(x) vTaskPreSuppressTicksAndSleepProcessing(&x)
+#define configPRE_SLEEP_PROCESSING(x) sl_wfx_host_si91x_sleep(&x)
+#define configPOST_SLEEP_PROCESSING(x) sl_si91x_post_sleep_update_ticks(&x)
 #else
 #define configUSE_TICKLESS_IDLE 0
 #endif // SL_CATALOG_POWER_MANAGER_PRESENT
 
+#if defined(SLI_SI91X_MCU_INTERFACE)
+#define configTICK_RATE_HZ (1000)
+#else
 #define configTICK_RATE_HZ (1024)
+#endif // SLI_SI91X_MCU_INTERFACE
 /* Definition used by Keil to replace default system clock source. */
 #define configOVERRIDE_DEFAULT_TICK_CONFIGURATION 1
 
@@ -201,8 +211,11 @@ See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
 #define configUSE_PORT_OPTIMISED_TASK_SELECTION (0)
 #define configUSE_TICKLESS_IDLE_SIMPLE_DEBUG (1) /* See into vPortSuppressTicksAndSleep source code for explanation */
 #define configMAX_PRIORITIES (56)
-#define configMINIMAL_STACK_SIZE (320) /* Number of words to use for Idle and Timer stacks */
-
+#if SLI_SI91X_MCU_INTERFACE && SL_ICD_ENABLED
+#define configMINIMAL_STACK_SIZE (1024) /* Number of words to use for Idle and Timer stacks */
+#else                                   // For EFR32
+#define configMINIMAL_STACK_SIZE (320)  /* Number of words to use for Idle and Timer stacks */
+#endif                                  // SLI_SI91X_MCU_INTERFACE && SL_ICD_ENABLED
 #ifdef HEAP_MONITORING
 #define configMAX_TASK_NAME_LEN (24)
 #else

examples/platform/silabs/MatterConfig.cpp

@@ -43,7 +43,10 @@
 
 #ifdef SLI_SI91X_MCU_INTERFACE
 #include "wfx_rsi.h"
-#endif /* SLI_SI91X_MCU_INTERFACE */
+#if CHIP_CONFIG_ENABLE_ICD_SERVER && SI917_M4_SLEEP_ENABLED
+#include "rsi_m4.h"
+#endif // CHIP_CONFIG_ENABLE_ICD_SERVER && SI917_M4_SLEEP_ENABLED
+#endif // SLI_SI91X_MCU_INTERFACE
 
 #include <crypto/CHIPCryptoPAL.h>
 // If building with the EFR32-provided crypto backend, we can use the
@@ -342,7 +345,6 @@ CHIP_ERROR SilabsMatterConfig::InitWiFi(void)
     sl_status_t status;
     if ((status = wfx_wifi_rsi_init()) != SL_STATUS_OK)
     {
-        SILABS_LOG("wfx_wifi_rsi_init failed with status: %x", status);
         ReturnErrorOnFailure((CHIP_ERROR) status);
     }
 #endif // SLI_SI91X_MCU_INTERFACE
@@ -354,9 +356,63 @@ CHIP_ERROR SilabsMatterConfig::InitWiFi(void)
 // ================================================================================
 // FreeRTOS Callbacks
 // ================================================================================
-extern "C" void vApplicationIdleHook(void)
+#if CHIP_CONFIG_ENABLE_ICD_SERVER && SI917_M4_SLEEP_ENABLED
+static bool is_sleep_ready = false;
+void vTaskPreSuppressTicksAndSleepProcessing(uint16_t * xExpectedIdleTime)
 {
-#if SLI_SI91X_MCU_INTERFACE && CHIP_CONFIG_ENABLE_ICD_SERVER
-    sl_wfx_host_si91x_sleep_wakeup();
+    // pointer check
+    if (xExpectedIdleTime == NULL)
+    {
+        return;
+    }
+
+    if (!is_sleep_ready)
+    {
+        *xExpectedIdleTime = 0;
+    }
+    else
+    {
+        // a preliminary check of the expected idle time is performed without making M4 inactive
+        if (*xExpectedIdleTime >= configEXPECTED_IDLE_TIME_BEFORE_SLEEP)
+        {
+            // Indicate M4 is Inactive
+            P2P_STATUS_REG &= ~M4_is_active;
+            // Waiting for one more clock cycle to make sure M4 H/W Register is updated
+            P2P_STATUS_REG;
+
+            // TODO: This delay is added to sync between M4 and TA. It should be removed once the logic is moved to wifi SDK
+            for (uint8_t delay = 0; delay < 10; delay++)
+            {
+                __ASM("NOP");
+            }
+            // Checking if TA has already triggered a packet to M4
+            // RX_BUFFER_VALID will be cleared by TA if any packet is triggered
+            if ((P2P_STATUS_REG & TA_wakeup_M4) || (P2P_STATUS_REG & M4_wakeup_TA) || (!(M4SS_P2P_INTR_SET_REG & RX_BUFFER_VALID)))
+            {
+                P2P_STATUS_REG |= M4_is_active;
+                *xExpectedIdleTime = 0;
+            }
+            else
+            {
+                M4SS_P2P_INTR_CLR_REG = RX_BUFFER_VALID;
+                M4SS_P2P_INTR_CLR_REG;
+
+                TASS_P2P_INTR_MASK_SET = (TX_PKT_TRANSFER_DONE_INTERRUPT | RX_PKT_TRANSFER_DONE_INTERRUPT |
+                                          TA_WRITING_ON_COMM_FLASH | NWP_DEINIT_IN_COMM_FLASH
+#ifdef SL_SI91X_SIDE_BAND_CRYPTO
+                                          | SIDE_BAND_CRYPTO_DONE
 #endif
+                );
+            }
+        }
+    }
+}
+#endif // CHIP_CONFIG_ENABLE_ICD_SERVER && SI917_M4_SLEEP_ENABLED
+extern "C" void vApplicationIdleHook(void)
+{
+#if CHIP_CONFIG_ENABLE_ICD_SERVER && SI917_M4_SLEEP_ENABLED
+    invoke_btn_press_event();
+    // is_sleep_ready is required since wfx_is_sleep_ready() is not FreeRTOS scheduler agnostic
+    is_sleep_ready = wfx_is_sleep_ready();
+#endif // CHIP_CONFIG_ENABLE_ICD_SERVER && SI917_M4_SLEEP_ENABLED
 }

examples/platform/silabs/SiWx917/SiWx917/sl_wifi_if.cpp

@@ -78,6 +78,11 @@ extern "C" {
 
 WfxRsi_t wfx_rsi;
 
+// TODO: remove this. Added only to monitor how many watch dog reset have happened during testing.
+#ifdef SLI_SI91X_MCU_INTERFACE
+volatile uint32_t watchdog_reset = 0;
+#endif // SLI_SI91X_MCU_INTERFACE
+
 /* Declare a variable to hold the data associated with the created event group. */
 StaticEventGroup_t rsiDriverEventGroup;
 
@@ -274,42 +279,52 @@ sl_status_t join_callback_handler(sl_wifi_event_t event, char * result, uint32_t
 
 #if SL_ICD_ENABLED
 
-#if SLI_SI91X_MCU_INTERFACE
-/******************************************************************
- * @fn   sl_wfx_host_si91x_sleep_wakeup()
- * @brief
- *       M4 going to sleep
- *
- * @param[in] None
- * @return
- *        None
- *********************************************************************/
-void sl_wfx_host_si91x_sleep_wakeup()
+#if SI917_M4_SLEEP_ENABLED
+// Required to invoke button press event during sleep as falling edge is not detected
+void invoke_btn_press_event()
 {
-    if (wfx_rsi.dev_state & WFX_RSI_ST_SLEEP_READY)
+    // TODO: should be removed once we are getting the press interrupt for button 0 with sleep
+    if (!RSI_NPSSGPIO_GetPin(SL_BUTTON_BTN0_PIN) && !btn0_pressed)
     {
-        // TODO: should be removed once we are getting the press interrupt for button 0 with sleep
-        if (!RSI_NPSSGPIO_GetPin(SL_BUTTON_BTN0_PIN) && !btn0_pressed)
-        {
-            sl_button_on_change(SL_BUTTON_BTN0_NUMBER, BUTTON_PRESSED);
-            btn0_pressed = true;
-        }
-        if (RSI_NPSSGPIO_GetPin(SL_BUTTON_BTN0_PIN))
-        {
-#ifdef DISPLAY_ENABLED
-            // if LCD is enabled, power down the lcd before setting the M4 to sleep
-            sl_si91x_hardware_setup();
-#endif
-            btn0_pressed = false;
-            /* Configure RAM Usage and Retention Size */
-            sl_si91x_m4_sleep_wakeup();
-#if SILABS_LOG_ENABLED
-            silabsInitLog();
-#endif
-        }
+        sl_button_on_change(SL_BUTTON_BTN0_NUMBER, BUTTON_PRESSED);
+        btn0_pressed = true;
+    }
+    if (RSI_NPSSGPIO_GetPin(SL_BUTTON_BTN0_PIN))
+    {
+        btn0_pressed = false;
     }
 }
-#endif // SLI_SI91X_MCU_INTERFACE
+
+/**
+ * @brief Checks if the Wi-Fi module is ready for sleep.
+ *
+ * This function checks if the Wi-Fi module is ready to enter sleep mode.
+ *
+ * @return true if the Wi-Fi module is ready for sleep, false otherwise.
+ */
+bool wfx_is_sleep_ready()
+{
+    // BRD4002A board BTN_PRESS is 0 when pressed, release is 1
+    // sli_si91x_is_sleep_ready requires OS Scheduler to be active
+    return ((RSI_NPSSGPIO_GetPin(SL_BUTTON_BTN0_PIN) != 0) && (wfx_rsi.dev_state & WFX_RSI_ST_SLEEP_READY) &&
+            sli_si91x_is_sleep_ready());
+}
+
+/**
+ * @brief Sleeps for a specified duration and then wakes up.
+ *
+ * This function puts the SI91x host into sleep mode for the specified duration
+ * in milliseconds and then wakes it up.
+ *
+ * @param sleep_time_ms The duration in milliseconds to sleep.
+ */
+void sl_wfx_host_si91x_sleep(uint16_t * sleep_time_ms)
+{
+    SL_ASSERT(sleep_time_ms != NULL);
+    sl_si91x_m4_sleep_wakeup(sleep_time_ms);
+}
+
+#endif // SI917_M4_SLEEP_ENABLED
 
 /******************************************************************
  * @fn   wfx_rsi_power_save()
@@ -363,6 +378,13 @@ int32_t wfx_wifi_rsi_init(void)
     SILABS_LOG("wfx_wifi_rsi_init started");
     sl_status_t status;
     status = sl_wifi_init(&config, NULL, sl_wifi_default_event_handler);
+#ifdef SLI_SI91X_MCU_INTERFACE
+    // TODO: remove this. Added only to monitor how many watch dog reset have happened during testing.
+    if ((MCU_FSM->MCU_FSM_WAKEUP_STATUS_REG) & BIT(5))
+    {
+        watchdog_reset++;
+    }
+#endif // SLI_SI91X_MCU_INTERFACE
     if (status != SL_STATUS_OK)
     {
         return status;

examples/platform/silabs/ldscripts/SiWx917-common.ld

@@ -40,7 +40,7 @@ SECTIONS
 	{
 		KEEP(*(.isr_vector))
         KEEP(*(.reset_handler))
-		*(EXCLUDE_FILE(*sl_si91x_bus.c.o *sl_si91x_driver.c.o *sli_si91x_multithreaded.c.o *rsi_hal_mcu_m4_ram.c.o *rsi_deepsleep_soc.c.o *croutine.c.o *event_groups.c.o *list.c.o *queue.c.o *stream_buffer.c.o *tasks.c.o *timers.c.o *cmsis_os2.c.o *freertos_umm_malloc_host.c.o *malloc_buffers.c.o *sl_rsi_utility.c.o *port.c.o *heap_*.c.o) .text*)
+		*(EXCLUDE_FILE(*sl_si91x_bus.c.o *sl_si91x_driver.c.o *sli_si91x_multithreaded.c.o *rsi_hal_mcu_m4_ram.c.o *rsi_hal_mcu_m4_rom.c.o *rsi_deepsleep_soc.c.o *croutine.c.o *event_groups.c.o *list.c.o *queue.c.o *stream_buffer.c.o *tasks.c.o *timers.c.o *cmsis_os2.c.o *freertos_umm_malloc_host.c.o *malloc_buffers.c.o *sl_rsi_utility.c.o *port.c.o *heap_*.c.o *os_systick.c.o *sl_wifi_if.c.o *sl_si91x_m4_ps.c.o *sl_platform_wireless.c.o) .text*)
 
     /* .ctors */
     *crtbegin.o(.ctors)
@@ -131,7 +131,8 @@ SECTIONS
 		*sl_si91x_driver.c.o(.text*)
 		*sli_si91x_multithreaded.c.o(.text*)
 		*rsi_hal_mcu_m4_ram.c.o(.text*)
-  	    	*rsi_deepsleep_soc.c.o(.text*)
+		*rsi_hal_mcu_m4_rom.c.o(.text*)
+		*rsi_deepsleep_soc.c.o(.text*)
 		*croutine.c.o(.text*)
 		*event_groups.c.o(.text*)
 		*list.c.o(.text*)
@@ -145,6 +146,10 @@ SECTIONS
 		*sl_rsi_utility.c.o(.text*)
 		*port.c.o(.text*)
 		*heap_*.c.o(.text*)
+		*os_systick.c.o(.text*)
+		*sl_wifi_if.c.o(.text*)
+		*sl_si91x_m4_ps.c.o(.text*)
+		*sl_platform_wireless.c.o(.text*)
 
     . = ALIGN(4);
     /* preinit data */
@@ -252,4 +257,3 @@ SECTIONS
   app_flash_end = 0x8202000 + 0x1fe000;
   ASSERT( (linker_nvm_begin + SIZEOF(.nvm)) <= app_flash_end, "NVM3 is excessing the flash size !")
 }
-

examples/platform/silabs/matter-platform.slcp

@@ -27,7 +27,7 @@ include:
   file_list:
   - {path: app.h}
   - {path: reset_util.h}
-sdk: {id: gecko_sdk, version: 4.3.1}
+sdk: {id: gecko_sdk, version: 4.4.2}
 toolchain_settings: []
 
 component:

integrations/cloudbuild/smoke-test.yaml

@@ -66,7 +66,7 @@ steps:
           - name: pwenv
             path: /pwenv
 
-    - name: "ghcr.io/project-chip/chip-build-vscode:47"
+    - name: "ghcr.io/project-chip/chip-build-vscode:49"
       id: EFR32
       env:
           - PW_ENVIRONMENT_ROOT=/pwenv

src/platform/silabs/SiWx917/BUILD.gn

@@ -73,7 +73,10 @@ static_library("SiWx917") {
     ]
   }
 
-  public_deps = [ "${chip_root}/src/platform:platform_base" ]
+  public_deps = [
+    "${chip_root}/src/app/icd/server:icd-server-config",
+    "${chip_root}/src/platform:platform_base",
+  ]
   deps = [ "${chip_root}/src/platform/logging:headers" ]
 
   # Add platform crypto implementation