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ipq806x: increase kernel partition size for the Netgear Nighthawk X4 R7500v2

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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 R7500v2.

Signed-off-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
(cherry picked from commit c3af761e47)
This commit is contained in:
Stefan Lippers-Hollmann 2018-05-18 04:18:17 +02:00 committed by John Crispin
parent 3ec4921c16
commit 1b39b665c3
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-r7500v2.dts
View File

@ -252,12 +252,12 @@
kernel@1480000 {
label = "kernel";
reg = <0x1480000 0x0200000>;
reg = <0x1480000 0x0400000>;
};
ubi@1680000 {
ubi@1880000 {
label = "ubi";
reg = <0x1680000 0x1E00000>;
reg = <0x1880000 0x1C00000>;
};
netgear@3480000 {

6
target/linux/ipq806x/files-4.9/arch/arm/boot/dts/qcom-ipq8064-r7500v2.dts
View File

@ -252,12 +252,12 @@
kernel@1480000 {
label = "kernel";
reg = <0x1480000 0x0200000>;
reg = <0x1480000 0x0400000>;
};
ubi@1680000 {
ubi@1880000 {
label = "ubi";
reg = <0x1680000 0x1E00000>;
reg = <0x1880000 0x1C00000>;
};
netgear@3480000 {

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

@ -134,7 +134,7 @@ TARGET_DEVICES += netgear_r7500
define Device/netgear_r7500v2
$(call Device/DniImage)
DEVICE_DTS := qcom-ipq8064-r7500v2
KERNEL_SIZE := 2097152
KERNEL_SIZE := 4194304
NETGEAR_BOARD_ID := R7500v2
NETGEAR_HW_ID := 29764958+0+128+512+3x3+4x4
BLOCKSIZE := 128k