bcm53xx: support flashing CHK and CyberTAN images

SVN-Revision: 43800

diff --git a/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh b/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh
index de8d8835c3784f4c313335ca5b78ea733d99a78a..3d911d12467504dbb1cb8680cabae1786f0275f0 100644 (file)
--- a/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh
@@ -56,14 +56,26 @@ platform_check_image() {
                        local board_id_len=$(($header_len - 40))
                        local board_id=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"')
                        echo "Found CHK image with device board_id $board_id"
-                       echo "Flashing CHK images in unsupported. Please use only .trx files."
-                       return 1
+
+                       magic=$(get_magic_long_at "$1" "$header_len")
+                       [ "$magic" != "48445230" ] && {
+                               echo "No valid TRX firmware in the CHK image"
+                               return 1
+                       }
+
+                       return 0
                ;;
                "cybertan")
                        local magic=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"')
                        echo "Found CyberTAN image with device magic: $magic"
-                       echo "Flashing CyberTAN images in unsupported. Please use only .trx files."
-                       return 1
+
+                       magic=$(get_magic_long_at "$1" 32)
+                       [ "$magic" != "48445230" ] && {
+                               echo "No valid TRX firmware in the CyberTAN image"
+                               return 1
+                       }
+
+                       return 0
                ;;
                "trx")
                        return 0