initial commit

board/raspberrypi3_swupdate/boot.scr.txt

@@ -0,0 +1,56 @@
+# U-Boot boot script for Raspberry Pi 3 with A/B boot
+# This script will be converted to boot.scr by the post-image.sh script
+
+echo "DEBUG: Starting boot process..."
+echo "DEBUG: U-Boot version: ${ver}"
+echo "DEBUG: Board: ${board_name}"
+
+# Set load addresses
+setenv kernel_addr_r 0x01000000
+setenv fdt_addr_r 0x02000000
+echo "DEBUG: Load addresses set - kernel: ${kernel_addr_r}, fdt: ${fdt_addr_r}"
+
+# Print current environment variables
+echo "DEBUG: Current boot variables:"
+echo "DEBUG: active_part=${active_part}"
+echo "DEBUG: active_root=${active_root}"
+echo "DEBUG: bootcount=${bootcount}"
+echo "DEBUG: bootlimit=${bootlimit}"
+
+# Read and increment boot count
+echo "DEBUG: Checking bootcount..."
+if test ${bootcount} -lt ${bootlimit}; then
+    echo "DEBUG: Incrementing bootcount from ${bootcount} to $((${bootcount} + 1))"
+    setexpr bootcount ${bootcount} + 1
+    echo "DEBUG: Saving environment..."
+    saveenv
+    echo "DEBUG: Environment saved"
+fi
+
+# If bootcount has reached bootlimit, switch to alternate boot
+echo "DEBUG: Checking if bootcount >= bootlimit..."
+if test ${bootcount} -ge ${bootlimit}; then
+    echo "Boot failed too many times. Switching to alternate partition."
+    echo "DEBUG: Running altbootcmd..."
+    run altbootcmd
+    echo "DEBUG: Resetting bootcount to 0"
+    setenv bootcount 0
+    echo "DEBUG: Saving environment..."
+    saveenv
+    echo "DEBUG: Environment saved"
+fi
+
+# List files in boot partition
+echo "DEBUG: Listing files in boot partition:"
+ls mmc 0:1
+
+# Boot the system
+echo "DEBUG: Preparing to boot from partition ${active_part}..."
+echo "DEBUG: Will execute: bootcmd_${active_part}"
+echo "DEBUG: bootcmd_${active_part}=${bootcmd_${active_part}}"
+echo "DEBUG: Booting from partition ${active_part}..."
+run bootcmd_${active_part}
+
+# If we reach here, booting failed. Try alternate boot.
+echo "DEBUG: Primary boot failed. Trying alternate partition..."
+run altbootcmd