Changes to get bootloader logs

Author: MarkusLassila

app/prj.conf

@@ -18,7 +18,7 @@ CONFIG_EVENTFD=y
 CONFIG_UART_CONSOLE=y
 CONFIG_LOG_BACKEND_UART=y
 # Logging does not start until activated via AT#XLOG=1 and is deactivated with AT#XLOG=0.
-CONFIG_LOG_BACKEND_UART_AUTOSTART=n
+CONFIG_LOG_BACKEND_UART_AUTOSTART=y
 
 # Disable Segger RTT logging by default.
 CONFIG_USE_SEGGER_RTT=n

app/sysbuild.conf

@@ -8,6 +8,6 @@ SB_CONFIG_BOOTLOADER_MCUBOOT=y
 
 SB_CONFIG_SECURE_BOOT_NUM_VER_COUNTER_SLOTS=40
 
-# Provide the keys to enable updating MCUboot bootloader.
-#SB_CONFIG_BOOT_SIGNATURE_KEY_FILE="/home/user/ncs/_keys/mcuboot_priv.pem"
-#SB_CONFIG_SECURE_BOOT_SIGNING_KEY_FILE="/home/user/ncs/_keys/nsib_priv.pem"
+# Provide the keys to enable updating B1.
+SB_CONFIG_BOOT_SIGNATURE_KEY_FILE="/home/mal6/ncs/_keys/mcuboot_priv.pem"
+SB_CONFIG_SECURE_BOOT_SIGNING_KEY_FILE="/home/mal6/ncs/_keys/nsib_priv.pem"

app/sysbuild/b0/prj.conf

@@ -33,5 +33,8 @@ CONFIG_NRF_RTC_TIMER=n
 # Serial Modem specific changes:
 # Disable logging so that Ready-message is the first one in startup.
 CONFIG_LOG=n
-CONFIG_CONSOLE=n
-CONFIG_UART_CONSOLE=n
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y
+
+# Follow the DTS partition layout.
+CONFIG_USE_DT_CODE_PARTITION=y

app/sysbuild/mcuboot/app.overlay

@@ -7,5 +7,11 @@
 / {
 	chosen {
 		zephyr,code-partition = &boot_partition;
+		zephyr,console = &uart1;
 	};
 };
+
+&uart1 {
+	current-speed = <1000000>;
+	status = "okay";
+};

app/sysbuild/mcuboot/prj.conf

@@ -25,22 +25,21 @@ CONFIG_FPROTECT=y
 # CONFIG_I2C is not set
 
 CONFIG_LOG=y
-CONFIG_LOG_MODE_MINIMAL=y
+CONFIG_LOG_MODE_IMMEDIATE=y
 ### Ensure Zephyr logging changes don't use more resources
-CONFIG_LOG_DEFAULT_LEVEL=0
-### Use info log level by default
-CONFIG_MCUBOOT_LOG_LEVEL_INF=y
+CONFIG_LOG_DEFAULT_LEVEL=3
+### Use debug log level for mcuboot traces
+CONFIG_MCUBOOT_LOG_LEVEL_DBG=y
 ### Decrease footprint by ~4 KB in comparison to CBPRINTF_COMPLETE=y
 CONFIG_CBPRINTF_NANO=y
 CONFIG_NRF_RTC_TIMER_USER_CHAN_COUNT=0
 
 ### Serial Modem
-# Do not use UART, for power saving
+# Enable UART for mcuboot traces
 CONFIG_CONSOLE=y
 CONFIG_MCUBOOT_SERIAL=n
 CONFIG_BOOT_SERIAL_UART=n
-CONFIG_UART_CONSOLE=n
-CONFIG_LOG_BACKEND_UART=n
+CONFIG_UART_CONSOLE=y
 CONFIG_CONSOLE_HANDLER=n
 
 # Enable software downgrade prevention for the application.