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authorFlorian Fainelli <florian@openwrt.org>2009-06-09 08:04:52 +0000
committerFlorian Fainelli <florian@openwrt.org>2009-06-09 08:04:52 +0000
commit01118457e810b150ce31fe4305ee6d72beb2e28f (patch)
treea2b606ac46454a05335ef2243d793ca7247fffcc /target/linux/brcm63xx/image/README.images-bcm63xx
parent67a444c46246f44cc1bf4229c563e2d03004e07f (diff)
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rework imagetag firmware generator and MTD partition parser to accomodate with all known imagetag versions from Broadcom and vendors, patch from Daniel Dickinson (fixes #4987).
SVN-Revision: 16393
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+The image neede to flash onto a Broadcom 63xx-series board depends on the
+board, method you are using to flash, and, for web-based flash, on the version
+of the Broadcom code your router uses.
+
+There are two major revisions of the Broadcom code as far as imagetags are
+concerned, before 3.08 and after 3.08, however there are some variations
+within in that, either due to vendor differences or due to changes at
+Broadcom (it's not clear yet which is the case). In addtion Pirelli modified
+the Broadcom code, so Alice Gate models use a different imagetag than any
+other vendor.
+
+The imagetag format for flashing via CFE is the same for almost all the
+boards, and is the same for all images generated by the imagetag utility.
+Images flashable using cfe are labelled openwrt-<board>-<filesystem>-cfe.bin
+
+The imagetags for tftp/ftp flashing is based on Broadcom 3.00-3.04 imagetags
+and is known to be correct as the source code GPL and is available for reading.
+
+Broadcom 3.00-3.02 flashing has been tested on Comtrend CT-5261, CT-536 and
+Tecom GW6000, and is the version of the flashing that was present before the
+imagetags were split by broadcom code version (early June 2009)
+
+3.04 is guessed to be the same as 3.00-3.02 based on available information
+
+Broadom 3.06 is thought to be the same as 3.00-3.02, however the only 3.06
+this author (Daniel Dickinson) has seen is the Alice Gate (Pirelli) firmware
+which is known to be different due to vendor (Pirelli) modifications to the
+Broadcom code.
+
+Broadcom 3.08 introduced changes to the imagetag to deal with TR69 (a remote
+router management system developed by the DSL Forum). The version we are
+using as 3.08 is based on the BT Voyager firmware image I looked at. It may
+in fact be BT Voyager-specific, and may in fact not be 3.08, but modified 3.06
+and not apply to all 3.08 versions.
+
+Broadcom 3.10 uses an imagetag that is believed to apply to all 3.10 and 3.12
+versions, and has been tested on the Tecom GW6200. It is similar to 3.08.
+There is a field for vendor-specific information, that at least in some cases
+is not optional. It is based on the hexedit of a neufbox4 firmware image, the
+information in https://dev.openwrt.org/ticket/4987, and the hexedit of a Tecom
+GW6200 image.
+
+Some boards share the same tag format, but require vendor-specific fields in
+the board. In that case the tagid is shared, but the filename of the generated
+image reflects the router for which the image was created.
+
+router |method| codever |tagid |filename
++----------+------+---------+------+-------------------------------------------
+|any |cfe | any |bccfe |openwrt-<board>-<filesystem>-bccfe-cfe.bin
+|any |t/ftp | any |bc300 |openwrt-<board>-<filesystem>-bc300-cfe.bin
+| |web |3.00-3.06|bc300 |openwrt-<board>-<filesystem>-bc300-cfe.bin
+| |web |3.08 |bc308 |openwrt-<board>-<filesystem>-bc308-cfe.bin
+| |web |3.10-3.12|bc310 |openwrt-<board>-<filesystem>-bc310-cfe.bin
+|CT536 |web |3.02 |bc300 |openwrt-<board>-<filesystem>-bc300-cfe.bin
+|CT5621 |web |3.02 |bc300 |openwrt-<board>-<filesystem>-bc300-cfe.bin
+|GW6000 |web |3.00 |bc300 |openwrt-<board>-<filesystem>-bc300-cfe.bin
+|USR9108? |web |? |bc300 |openwrt-<board>-<filesystem>-bc300-cfe.bin
+|USR9108? |web |? |bc310 |openwrt-<board>-<filesystem>-bc310-cfe.bin
+|DG834GT |web |3.02 |bc300 |openwrt-<board>-<filesystem>-bc300-cfe.bin
+|V2500V |web |3.08 |bc308 |openwrt-<board>-<filesystem>-btvgr-cfe.bin
+|GW6200 |web |3.10 |bc310 |openwrt-<board>-<filesystem>-gw6200-cfe.bin
+|Neufbox4 |web |3.12 |bc310 |openwrt-<board>-<filesystem>-nb4-cfe.bin
+|F@ST2404 |web |? |bc300 |openwrt-<board>-<filesystem>-bc300-cfe.bin
+|F@ST2404 |web |? |bc310 |openwrt-<board>-<filesystem>-bc310-cfe.bin
+|AGVoIP2+Wi|web |alice3.06|ag306 |openwrt-<board>-<filesystem>-agv2+w-cfe.bin
+
+Old imagetag routers
+--------------------
+Davolink DV201AMR
+
+Redboot routers
+---------------
+Inventel Livebox
+
+Known router->code versions
+---------------------------
+
+Vendor |Model |Code Ver
+---------------------------+------------------------------------------+--------
+Comtrend |CT-5261 |3.02
+Comtrend |CT-536 |3.02
+Tecom |GW6000 |3.00
+Tecom |GW6200 |3.10
+Pirelli |Alice Gate Wi-Fi (+VoIP models?) |ag 3.06
+? |TD-88xx |3.06
+BT |Voyager V2500V |3.08 (?)
+Belkin |F5D7633 |3.10
+Neuf ? |Neufbox 4 |3.12
+NetGear |DG834GT |3.02
+Sagem |F@ST2404 |?
+USR |9108 |?