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ip806x: nbg6817: don't hardcode the rootfs location by using append-rootblock instead

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This changes the cmdline from:

Kernel command line: root=/dev/mmcblk0p5 rootfstype=squashfs,ext4 rootwait noinitrd
Bootloader command line (ignored): board=NBG6817 root=/dev/mmcblk0p5 rootwait zld_ver=2.04 console=ttyHSL1,115200n8 mtdparts=m25p80:0xC0000(SBL)ro,0x40000(TZ)ro,0x40000(RPM)ro,0x80000(u-boot)ro,0x10000(env)ro,0x10000(ART)ro,0x10000(dualflag),0x210000(reserved)

to

Kernel command line: rootfstype=squashfs,ext4 rootwait noinitrd root=/dev/mmcblk0p5
Bootloader command line (ignored): board=NBG6817 root=/dev/mmcblk0p5 rootwait zld_ver=2.04 console=ttyHSL1,115200n8 mtdparts=m25p80:0xC0000(SBL)ro,0x40000(TZ)ro,0x40000(RPM)ro,0x80000(u-boot)ro,0x10000(env)ro,0x10000(ART)ro,0x10000(dualflag),0x210000(reserved)

As a consequence booting from the alternative dual-boot partition set
(root=/dev/mmcblk0p8) becomes possible.

Signed-off-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
This commit is contained in:
Stefan Lippers-Hollmann 2017-10-29 02:55:27 +01:00 committed by John Crispin
parent 06d5d01e8a
commit b583aaf5aa
1 changed files with 2 additions and 1 deletions
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3
target/linux/ipq806x/files-4.9/arch/arm/boot/dts/qcom-ipq8065-nbg6817.dts
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@ -33,8 +33,9 @@
};
chosen {
bootargs = "root=/dev/mmcblk0p5 rootfstype=squashfs,ext4 rootwait noinitrd";
bootargs = "rootfstype=squashfs,ext4 rootwait noinitrd";
linux,stdout-path = "serial0:115200n8";
append-rootblock = "root=/dev/mmcblk0p";
};
soc {