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Revert "ramips: fix flash layout for TP-Link TL-WR841N v14"

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This reverts commit 1623defbdb.

As already stated in the reverted patch, the OEM firmware will
properly recreate the config partition if it is overwritten by
OpenWrt.

The main reason for adding the partition was the image size
restriction imposed by the 0x3d0000 limitation of the TFTP
flashing process. Addressing this by shrinking the firmware
partition is not a good solution to that problem, though:

1. For a working image, the size of the content has to be smaller
   than the available space, so empty erase blocks will remain.

2. Conceptually, the restriction is on the image, so it makes sense
   to implement it in the same way, and not via the partitioning.
   Users could e.g. do initial flash with TFTP restriction with
   an older image, and then sysupgrade into a newer one, so TFTP
   restriction does not apply.

3. The (content) size of the recovery image is enforced to 0x3d0000
   by the tplink-v2-image command in combination with
   TPLINK_FLASHLAYOUT (flash layout in mktplinkfw2.c) anyway.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
This commit is contained in:
Adrian Schmutzler 2020-07-22 18:49:09 +02:00
parent 0a5d74fa68
commit b057862e24
2 changed files with 2 additions and 8 deletions
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8
target/linux/ramips/dts/mt7628an_tplink_tl-wr841n-v14.dts
View File

@ -81,13 +81,7 @@
partition@10000 {
compatible = "tplink,firmware";
label = "firmware";
reg = <0x10000 0x3d0000>;
};
partition@3e0000 {
label = "config";
reg = <0x3e0000 0x10000>;
read-only;
reg = <0x10000 0x3e0000>;
};
factory: partition@3f0000 {

2
target/linux/ramips/image/mt76x8.mk
View File

@ -498,7 +498,7 @@ TARGET_DEVICES += tplink_tl-wr841n-v13
define Device/tplink_tl-wr841n-v14
$(Device/tplink-v2)
IMAGE_SIZE := 3904k
IMAGE_SIZE := 3968k
DEVICE_MODEL := TL-WR841N
DEVICE_VARIANT := v14
TPLINK_FLASHLAYOUT := 4Mmtk