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ipq806x: increase kernel partition size for the Netgear Nighthawk X4 D7800

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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 D7800.

Signed-off-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
Cc: Tathagata Das <tathagata@alumnux.com>
(cherry picked from commit 45b8a7c1a6)
This commit is contained in:
Stefan Lippers-Hollmann
2018-05-18 03:49:27 +02:00
committed by John Crispin
parent ec7d974055
commit 0882a4cf25
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-d7800.dts
View File

@@ -250,12 +250,12 @@
kernel@1480000 { kernel@1480000 {
label = "kernel"; label = "kernel";
reg = <0x1480000 0x0200000>; reg = <0x1480000 0x0400000>;
}; };
ubi@1680000 { ubi@1880000 {
label = "ubi"; label = "ubi";
reg = <0x1680000 0x1E00000>; reg = <0x1880000 0x1C00000>;
}; };
netgear@3480000 { netgear@3480000 {

6
target/linux/ipq806x/files-4.9/arch/arm/boot/dts/qcom-ipq8064-d7800.dts
View File

@@ -250,12 +250,12 @@
kernel@1480000 { kernel@1480000 {
label = "kernel"; label = "kernel";
reg = <0x1480000 0x0200000>; reg = <0x1480000 0x0400000>;
}; };
ubi@1680000 { ubi@1880000 {
label = "ubi"; label = "ubi";
reg = <0x1680000 0x1E00000>; reg = <0x1880000 0x1C00000>;
}; };
netgear@3480000 { netgear@3480000 {

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

@@ -104,7 +104,7 @@ TARGET_DEVICES += linksys_ea8500
define Device/netgear_d7800 define Device/netgear_d7800
$(call Device/DniImage) $(call Device/DniImage)
DEVICE_DTS := qcom-ipq8064-d7800 DEVICE_DTS := qcom-ipq8064-d7800
KERNEL_SIZE := 2097152 KERNEL_SIZE := 4194304
NETGEAR_BOARD_ID := D7800 NETGEAR_BOARD_ID := D7800
NETGEAR_HW_ID := 29764958+0+128+512+4x4+4x4 NETGEAR_HW_ID := 29764958+0+128+512+4x4+4x4
BLOCKSIZE := 128k BLOCKSIZE := 128k