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apm821xx: use nested fixed-partitions

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This makes it possible to fix Netgear WNDAP620+660 DTS ugliness.
Bring back the dtb and firmware partitions for the WNDR4700.
Thank you, mans0n.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
This commit is contained in:
Christian Lamparter 2022-05-14 10:44:58 +02:00
parent 8f6e2bb178
commit d65bafa34b
2 changed files with 46 additions and 23 deletions
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30
target/linux/apm821xx/dts/netgear-wndap6x0.dtsi
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@ -52,23 +52,27 @@
read-only;
};
partition@110000,0 {
partition@110000 {
label = "firmware";
reg = <0x00110000 0x01ac0000>;
};
partition@110000,1 {
/*
* The u-boot bootloader will look at this
* offset (0x110000) for an uImage binary.
*/
label = "kernel";
reg = <0x00110000 0x005f0000>;
};
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@700000 {
label = "ubi";
reg = <0x00700000 0x014d0000>;
partition@0 {
/*
* The u-boot bootloader will look at this
* offset (0x110000) for an uImage binary.
*/
label = "kernel";
reg = <0x00000000 0x005f0000>;
};
partition@5f0000 {
label = "ubi";
reg = <0x005f0000 0x014d0000>;
};
};
partition@1bd0000 {

39
target/linux/apm821xx/dts/netgear-wndr4700.dts
View File

@ -187,22 +187,41 @@
};
partition@180000 {
label = "kernel";
reg = <0x00180000 0x00380000>;
label = "firmware";
reg = <0x00180000 0x01860000>;
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "kernel";
reg = <0x00000000 0x00380000>;
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
/*
* device-tree is @ 0x00180000 - 0x0019ffff
* kernel starts from 0x20000.
* this is coded into netgear's u-boot.
*/
partition@0 {
label = "dtb";
reg = <0x00000000 0x20000>;
};
/*
* device-tree is @ 0x00180000 - 0x001fffff
* kernel starts from 0x200000.
* this is coded into netgear's u-boot.
*
* this partition will also contain a
* fake/empty rootfs at the end to fool
* Netgear's uboot rootfs integrety checks.
*/
};
};
partition@500000 {
label = "ubi";
reg = <0x00500000 0x014e0000>;
partition@380000 {
label = "ubi";
reg = <0x00380000 0x014e0000>;
};
};