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ipq806x: increase kernel partition size for the TP-Link Archer C2600 

The default image does not fit 2 MB anymore, expand os-image partition
to 4 MB.

Upgrading works transparently via sysupgrade in both directions.
Another option would have been to merge "os-image" and "rootfs" into a
single "firmware" partition using MTD_SPLIT_TPLINK_FW, but just
changing the sizes of the existing partitioning has been deemed safer
and actually tested on an affected device; the maximum for rootfs
changes from 27 MB to 25 MB.

Run-tested on TP-Link Archer C2600.

Signed-off-by: Joris de Vries <joris@apptrician.nl>
[slh: extend comments and commit message, rename rootfs]
Signed-off-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
master
Stefan Lippers-Hollmann 2018-05-18 03:10:18 +02:00 committed by John Crispin
parent dc50694bd1
commit b72b36653a
2 changed files with 10 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
target/linux/ipq806x/files-4.14/arch/arm/boot/dts/qcom-ipq8064-c2600.dts
View File

@ -231,12 +231,12 @@
os-image@1f0000 {
label = "os-image";
reg = <0x1f0000 0x200000>;
reg = <0x1f0000 0x400000>;
};
rootfs@3f0000 {
rootfs@5f0000 {
label = "rootfs";
reg = <0x3f0000 0x1b00000>;
reg = <0x5f0000 0x1900000>;
};
defaultmac: default-mac@1ef0000 {

9
tools/firmware-utils/src/tplink-safeloader.c
View File

@ -267,6 +267,11 @@ static struct device_info boards[] = {
.support_trail = '\x00',
.soft_ver = NULL,
/**
We use a bigger os-image partition than the stock images (and thus
smaller file-system), as our kernel doesn't fit in the stock firmware's
2 MB os-image since kernel 4.14.
*/
.partitions = {
{"SBL1", 0x00000, 0x20000},
{"MIBIB", 0x20000, 0x20000},
@ -279,8 +284,8 @@ static struct device_info boards[] = {
{"fs-uboot", 0x100000, 0x70000},
{"uboot-env", 0x170000, 0x40000},
{"radio", 0x1b0000, 0x40000},
{"os-image", 0x1f0000, 0x200000},
{"file-system", 0x3f0000, 0x1b00000},
{"os-image", 0x1f0000, 0x400000}, /* Stock: base 0x1f0000 size 0x200000 */
{"file-system", 0x5f0000, 0x1900000}, /* Stock: base 0x3f0000 size 0x1b00000 */
{"default-mac", 0x1ef0000, 0x00200},
{"pin", 0x1ef0200, 0x00200},
{"product-info", 0x1ef0400, 0x0fc00},