diff options
| -rw-r--r-- | target/linux/bcm4908/base-files/lib/upgrade/platform.sh | 108 |
1 files changed, 76 insertions, 32 deletions
diff --git a/target/linux/bcm4908/base-files/lib/upgrade/platform.sh b/target/linux/bcm4908/base-files/lib/upgrade/platform.sh index ee43e3a713..c057f2dc58 100644 --- a/target/linux/bcm4908/base-files/lib/upgrade/platform.sh +++ b/target/linux/bcm4908/base-files/lib/upgrade/platform.sh @@ -4,6 +4,10 @@ RAMFS_COPY_BIN="bcm4908img expr" PART_NAME=firmware +BCM4908_FW_FORMAT= +BCM4908_FW_BOARD_ID= +BCM4908_FW_INT_IMG_FORMAT= + # $(1): file to read from # $(2): offset in bytes # $(3): length in bytes @@ -34,7 +38,12 @@ platform_identify() { magic=$(get_hex_u32_be "$1" 0) case "$magic" in 2a23245e) - echo "chk" + local header_len=$((0x$(get_hex_u32_be "$1" 4))) + local board_id_len=$(($header_len - 40)) + + BCM4908_FW_FORMAT="chk" + BCM4908_FW_BOARD_ID=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"') + BCM4908_FW_INT_IMG_FORMAT="bcm4908img" return ;; esac @@ -44,12 +53,22 @@ platform_identify() { magic=$(get_content "$1" $((size - 20 - 64 + 8)) 12) case "$magic" in GT-AC5300) - echo "asus" + local size=$(wc -c "$1" | cut -d ' ' -f 1) + + BCM4908_FW_FORMAT="asus" + BCM4908_FW_BOARD_ID=$(get_content "$1" $((size - 20 - 64 + 8)) 12) + BCM4908_FW_INT_IMG_FORMAT="bcm4908img" return ;; esac - echo "unknown" + # Detecting native format is a bit complex (it may start with CFE or + # JFFS2) so just use bcm4908img instead of bash hacks. + # Make it the last attempt as bcm4908img detects also vendor formats. + bcm4908img info -i "$1" > /dev/null && { + BCM4908_FW_FORMAT="bcm4908img" + return + } } platform_check_image() { @@ -58,43 +77,51 @@ platform_check_image() { local expected_image=$(platform_expected_image) local error=0 - bcm4908img info -i "$1" > /dev/null || { - echo "Failed to validate BCM4908 image" >&2 + platform_identify "$1" + [ -z "$BCM4908_FW_FORMAT" ] && { + echo "Invalid image type. Please use firmware specific for this device." notify_firmware_broken return 1 } + echo "Found $BCM4908_FW_FORMAT firmware for device ${BCM4908_FW_BOARD_ID:----}" - bcm4908img bootfs -i "$1" ls | grep -q "1-openwrt" || { - # OpenWrt images have 1-openwrt dummy file in the bootfs. - # Don't allow backup if it's missing - notify_firmware_no_backup + local expected_image="$(platform_expected_image)" + [ -n "$expected_image" -a -n "$BCM4908_FW_BOARD_ID" -a "$BCM4908_FW_FORMAT $BCM4908_FW_BOARD_ID" != "$expected_image" ] && { + echo "Firmware doesn't match device ($expected_image)" + error=1 } - case "$(platform_identify "$1")" in - asus) - local size=$(wc -c "$1" | cut -d ' ' -f 1) - local productid=$(get_content "$1" $((size - 20 - 64 + 8)) 12) - - [ -n "$expected_image" -a "asus $productid" != "$expected_image" ] && { - echo "Firmware productid mismatch ($productid)" >&2 - error=1 + case "$BCM4908_FW_FORMAT" in + "bcm4908img") + bcm4908img info -i "$1" > /dev/null || { + echo "Failed to validate BCM4908 image" >&2 + notify_firmware_broken + return 1 } - ;; - chk) - local header_len=$((0x$(get_hex_u32_be "$1" 4))) - local board_id_len=$(($header_len - 40)) - local board_id=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"') - [ -n "$expected_image" -a "chk $board_id" != "$expected_image" ] && { - echo "Firmware board_id mismatch ($board_id)" >&2 - error=1 + bcm4908img bootfs -i "$1" ls | grep -q "1-openwrt" || { + # OpenWrt images have 1-openwrt dummy file in the bootfs. + # Don't allow backup if it's missing + notify_firmware_no_backup } - ;; + ;; *) - echo "Invalid image type. Please use firmware specific for this device." >&2 - notify_firmware_broken - error=1 - ;; + case "$BCM4908_FW_INT_IMG_FORMAT" in + "bcm4908img") + bcm4908img info -i "$1" > /dev/null || { + echo "Failed to validate BCM4908 image" >&2 + notify_firmware_broken + return 1 + } + + bcm4908img bootfs -i "$1" ls | grep -q "1-openwrt" || { + # OpenWrt images have 1-openwrt dummy file in the bootfs. + # Don't allow backup if it's missing + notify_firmware_no_backup + } + ;; + esac + ;; esac return $error @@ -189,10 +216,27 @@ platform_do_upgrade_ubi() { } platform_do_upgrade() { + platform_identify "$1" + # Try NAND aware UBI upgrade for OpenWrt images - # Below call will exit on success - bcm4908img bootfs -i "$1" ls | grep -q "1-openwrt" && platform_do_upgrade_ubi "$1" + case "$BCM4908_FW_FORMAT" in + "bcm4908img") + bcm4908img bootfs -i "$1" ls | grep -q "1-openwrt" && platform_do_upgrade_ubi "$1" + ;; + *) + case "$BCM4908_FW_INT_IMG_FORMAT" in + "bcm4908img") + bcm4908img bootfs -i "$1" ls | grep -q "1-openwrt" && platform_do_upgrade_ubi "$1" + ;; + *) + echo "NAND aware sysupgrade is unsupported for $BCM4908_FW_FORMAT format" + ;; + esac + ;; + esac + # Above calls exit on success. + # If we got here it isn't OpenWrt image or something went wrong. echo "Writing whole image to NAND flash. All erase counters will be lost." # Find cferam name for new firmware |