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ipq806x: increase kernel partition size for the Netgear Nighthawk X4 R7500

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Starting with kernel 4.14 and gcc 7, the kernel doesn't fit into the
2 MB reserved for the kernel partition by the OEM firmware anymore.

This patch increases the kernel partition from 2 MB to 4 MB, at the
expense of the rootfs, for all supported kernels.

WARNING: This breaks sysupgrade! Flashing a firmware containing this
changed partitioning from an older image with 2 MB reserved for the
kernel partion requires the tftp recovery procedure, thereby losing
all settings.

This change follows the functional example of the Netgear r7800, but
has not been runtime tested on a Netgear Nighthawk X4 R7500

Signed-off-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
Cc: Jonas Gorski <jonas.gorski@gmail.com>
(cherry picked from commit c228bbe616)
This commit is contained in:
Stefan Lippers-Hollmann 2018-05-18 04:12:04 +02:00 committed by John Crispin
parent 0882a4cf25
commit 3ec4921c16
3 changed files with 7 additions and 7 deletions
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6
target/linux/ipq806x/files-4.14/arch/arm/boot/dts/qcom-ipq8064-r7500.dts
View file

@ -216,12 +216,12 @@
kernel@1340000 {
label = "kernel";
reg = <0x1340000 0x0200000>;
reg = <0x1340000 0x0400000>;
};
ubi@1540000 {
ubi@1740000 {
label = "ubi";
reg = <0x1540000 0x1800000>;
reg = <0x1740000 0x1600000>;
};
netgear@2d40000 {

6
target/linux/ipq806x/files-4.9/arch/arm/boot/dts/qcom-ipq8064-r7500.dts
View file

@ -216,12 +216,12 @@
kernel@1340000 {
label = "kernel";
reg = <0x1340000 0x0200000>;
reg = <0x1340000 0x0400000>;
};
ubi@1540000 {
ubi@1740000 {
label = "ubi";
reg = <0x1540000 0x1800000>;
reg = <0x1740000 0x1600000>;
};
netgear@2d40000 {

2
target/linux/ipq806x/image/Makefile
View file

@ -119,7 +119,7 @@ TARGET_DEVICES += netgear_d7800
define Device/netgear_r7500
$(call Device/DniImage)
DEVICE_DTS := qcom-ipq8064-r7500
KERNEL_SIZE := 2097152
KERNEL_SIZE := 4194304
NETGEAR_BOARD_ID := R7500
NETGEAR_HW_ID := 29764841+0+128+256+3x3+4x4
BLOCKSIZE := 128k