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ramips: tl-wr840n-v5: increase firmware partition for 4Mmtk layot

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According to console log during TP-Link TL-WR840N v5 OEM firmware update
procedure 0x3e0000-0x3f0000 64kB "config" partition, which is used to store
router's configuration settings, is erased and recreated again during every
OEM firmware update procedure, thus does not contain any valuable factory data.
So it is conviniant to use this extra 64kB erase block for jffs overlay due
limited flash size on this device like it used on TP-Link's ar71xx boards.

Signed-off-by: Serg Studzinskii <serguzhg@gmail.com>
This commit is contained in:
Serg Studzinskii 2017-12-24 18:00:13 +02:00 committed by John Crispin
parent 4343ac5515
commit eb58b14d27
3 changed files with 3 additions and 9 deletions
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8
target/linux/ramips/dts/TL-WR840NV5.dts
View file

@ -65,13 +65,7 @@
partition@20000 { partition@20000 {
label = "firmware"; label = "firmware";
reg = <0x20000 0x3c0000>; reg = <0x20000 0x3d0000>;
};
partition@3e0000 {
label = "config";
reg = <0x3e0000 0x10000>;
read-only;
}; };
factory: partition@3f0000 { factory: partition@3f0000 {

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

@ -112,7 +112,7 @@ TARGET_DEVICES += tl-wr840n-v4
define Device/tl-wr840n-v5 define Device/tl-wr840n-v5
DTS := TL-WR840NV5 DTS := TL-WR840NV5
IMAGE_SIZE := 3840k IMAGE_SIZE := 3904k
DEVICE_TITLE := TP-Link TL-WR840N v5 DEVICE_TITLE := TP-Link TL-WR840N v5
TPLINK_FLASHLAYOUT := 4Mmtk TPLINK_FLASHLAYOUT := 4Mmtk
TPLINK_HWID := 0x08400005 TPLINK_HWID := 0x08400005

2
tools/firmware-utils/src/mktplinkfw2.c
View file

@ -124,7 +124,7 @@ char md5salt_boot[MD5SUM_LEN] = {
static struct flash_layout layouts[] = { static struct flash_layout layouts[] = {
{ {
.id = "4Mmtk", .id = "4Mmtk",
.fw_max_len = 0x3c0000, .fw_max_len = 0x3d0000,
.kernel_la = 0x80000000, .kernel_la = 0x80000000,
.kernel_ep = 0x80000000, .kernel_ep = 0x80000000,
.rootfs_ofs = 0x140000, .rootfs_ofs = 0x140000,