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mamba has a 3MB kernel partition as specified by the DTS.
3MB is not sufficient for building with many kernel modules or newer
kernel versions.
mamba uboot however as set from factory will load up to 4MB.
This can be observed by looking a uboot log:
NAND read: device 0 offset 0xa00000, size 0x400000
4194304 bytes read: OK
and from uboot environment variables:
$ fw_printenv | grep "pri_kern_size";
pri_kern_size=0x400000
Resize the root partitions from 37MB to 36MB to let kernel expand
into it another 1MB.
And set kernel target size to 4MB.
Lastly add a compatibility version message: kernel-size-migration.
And set it on mamba to prevent sysupgrading without first reinstalling from
a factory image.
Signed-off-by: Tad Davanzo <tad@spotco.us>
(cherry picked from commit 10415d5e70)
38 lines
1.0 KiB
Diff
38 lines
1.0 KiB
Diff
From 258233f00bcd013050efee00c5d9128ef8cd62dd Mon Sep 17 00:00:00 2001
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From: Tad <tad@spotco.us>
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Date: Fri, 5 Feb 2021 22:32:11 -0500
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Subject: [PATCH] ARM: dts: armada-xp-linksys-mamba: Increase kernel
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partition to 4MB
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Signed-off-by: Tad Davanzo <tad@spotco.us>
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---
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arch/arm/boot/dts/armada-xp-linksys-mamba.dts | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
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+++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
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@@ -456,9 +456,9 @@
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reg = <0xa00000 0x2800000>; /* 40MB */
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};
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- partition@d00000 {
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+ partition@e00000 {
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label = "rootfs1";
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- reg = <0xd00000 0x2500000>; /* 37MB */
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+ reg = <0xe00000 0x2400000>; /* 36MB */
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};
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/* kernel2 overlaps with rootfs2 by design */
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@@ -467,9 +467,9 @@
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reg = <0x3200000 0x2800000>; /* 40MB */
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};
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- partition@3500000 {
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+ partition@3600000 {
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label = "rootfs2";
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- reg = <0x3500000 0x2500000>; /* 37MB */
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+ reg = <0x3600000 0x2400000>; /* 36MB */
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};
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/*
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