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ramips: use on-flash partition table for Sercomm BZV/CHJ
These devices have a partition table stored in flash, which compensates for any pre-existing bad blocks by enlarging the respective partition. This means that the current static partition table is only correct for devices without any bad blocks. Typical results of this mismatch are degraded wireless performance and wrong MAC addresses, when the factory partition is shifted due to a bad block somewhere before it. If there is a bad block already before the ubi partition, then OpenWrt may not run at all because the kernel can't find the rootfs. Use the on-flash partition table to fix these issues. Replace the two reserved partitions by the full partition list, as the driver does not allow merging them. Signed-off-by: Jan Hoffmann <jan@3e8.eu>
This commit is contained in:
Jan Hoffmann
Hauke Mehrtens
parent
b91d7d9d78
commit
c46584ab30
@ -223,47 +223,208 @@
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status = "okay";
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partitions {
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compatible = "fixed-partitions";
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compatible = "sercomm,sc-partitions", "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "u-boot";
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reg = <0x0 0x100000>;
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sercomm,scpart-id = <0>;
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read-only;
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};
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partition@100000 {
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label = "SC PART_MAP";
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reg = <0x100000 0x100000>;
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sercomm,scpart-id = <1>;
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read-only;
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};
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partition@200000 {
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label = "kernel";
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reg = <0x200000 0x400000>;
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sercomm,scpart-id = <2>;
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};
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partition@600000 {
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label = "ubi";
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reg = <0x600000 0x2800000>;
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sercomm,scpart-id = <3>;
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};
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partition@2e00000 {
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label = "reserved0";
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reg = <0x2e00000 0x1800000>;
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label = "English UI";
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reg = <0x2e00000 0x200000>;
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sercomm,scpart-id = <4>;
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read-only;
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};
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partition@3000000 {
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label = "ML1";
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reg = <0x3000000 0x200000>;
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sercomm,scpart-id = <5>;
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read-only;
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};
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partition@3200000 {
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label = "ML2";
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reg = <0x3200000 0x200000>;
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sercomm,scpart-id = <6>;
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read-only;
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};
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partition@3400000 {
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label = "ML3";
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reg = <0x3400000 0x200000>;
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sercomm,scpart-id = <7>;
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read-only;
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};
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partition@3600000 {
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label = "ML4";
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reg = <0x3600000 0x200000>;
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sercomm,scpart-id = <8>;
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read-only;
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};
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partition@3800000 {
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label = "ML5";
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reg = <0x3800000 0x200000>;
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sercomm,scpart-id = <9>;
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read-only;
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};
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partition@3a00000 {
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label = "ML6";
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reg = <0x3a00000 0x200000>;
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sercomm,scpart-id = <10>;
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read-only;
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};
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partition@3c00000 {
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label = "ML7";
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reg = <0x3c00000 0x200000>;
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sercomm,scpart-id = <11>;
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read-only;
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};
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partition@3e00000 {
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label = "ML8";
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reg = <0x3e00000 0x200000>;
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sercomm,scpart-id = <12>;
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read-only;
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};
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partition@4000000 {
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label = "ML9";
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reg = <0x4000000 0x200000>;
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sercomm,scpart-id = <13>;
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read-only;
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};
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partition@4200000 {
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label = "ML10";
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reg = <0x4200000 0x200000>;
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sercomm,scpart-id = <14>;
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read-only;
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};
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partition@4400000 {
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label = "ML11";
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reg = <0x4400000 0x200000>;
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sercomm,scpart-id = <15>;
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read-only;
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};
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factory: partition@4600000 {
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label = "factory";
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reg = <0x4600000 0x200000>;
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sercomm,scpart-id = <16>;
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read-only;
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};
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partition@4800000 {
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label = "SC Private Data";
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reg = <0x4800000 0x200000>;
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sercomm,scpart-id = <17>;
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read-only;
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};
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partition@4a00000 {
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label = "POT";
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reg = <0x4a00000 0x200000>;
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sercomm,scpart-id = <18>;
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read-only;
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};
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partition@4c00000 {
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label = "Traffic Meter";
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reg = <0x4c00000 0x200000>;
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sercomm,scpart-id = <19>;
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read-only;
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};
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partition@4e00000 {
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label = "SC PID";
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reg = <0x4e00000 0x200000>;
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sercomm,scpart-id = <20>;
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read-only;
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};
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partition@5000000 {
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label = "SC Nvram";
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reg = <0x5000000 0x200000>;
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sercomm,scpart-id = <21>;
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read-only;
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};
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partition@5200000 {
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label = "Ralink Nvram";
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reg = <0x5200000 0x200000>;
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sercomm,scpart-id = <22>;
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read-only;
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};
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partition@5400000 {
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label = "reserved0";
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reg = <0x5400000 0x200000>;
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sercomm,scpart-id = <23>;
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read-only;
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};
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partition@5600000 {
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label = "reserved1";
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reg = <0x4800000 0x3800000>;
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reg = <0x5600000 0x200000>;
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sercomm,scpart-id = <24>;
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read-only;
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};
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partition@5800000 {
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label = "reserved2";
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reg = <0x5800000 0x200000>;
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sercomm,scpart-id = <25>;
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read-only;
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};
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partition@5a00000 {
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label = "reserved3";
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reg = <0x5a00000 0x200000>;
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sercomm,scpart-id = <26>;
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read-only;
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};
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partition@5c00000 {
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label = "reserved4";
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reg = <0x5c00000 0x200000>;
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sercomm,scpart-id = <27>;
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read-only;
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};
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partition@5e00000 {
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label = "reserved5";
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reg = <0x5e00000 0x2180000>;
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sercomm,scpart-id = <28>;
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read-only;
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};
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};
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@ -151,47 +151,208 @@
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status = "okay";
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partitions {
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compatible = "fixed-partitions";
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compatible = "sercomm,sc-partitions", "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "u-boot";
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reg = <0x0 0x100000>;
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sercomm,scpart-id = <0>;
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read-only;
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};
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partition@100000 {
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label = "SC PART_MAP";
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reg = <0x100000 0x100000>;
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sercomm,scpart-id = <1>;
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read-only;
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};
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partition@200000 {
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label = "kernel";
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reg = <0x200000 0x400000>;
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sercomm,scpart-id = <2>;
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};
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partition@600000 {
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label = "ubi";
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reg = <0x600000 0x2800000>;
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sercomm,scpart-id = <3>;
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};
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partition@2e00000 {
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label = "reserved0";
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reg = <0x2e00000 0x1800000>;
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label = "English UI";
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reg = <0x2e00000 0x200000>;
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sercomm,scpart-id = <4>;
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read-only;
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};
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partition@3000000 {
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label = "ML1";
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reg = <0x3000000 0x200000>;
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sercomm,scpart-id = <5>;
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read-only;
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};
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partition@3200000 {
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label = "ML2";
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reg = <0x3200000 0x200000>;
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sercomm,scpart-id = <6>;
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read-only;
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};
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partition@3400000 {
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label = "ML3";
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reg = <0x3400000 0x200000>;
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sercomm,scpart-id = <7>;
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read-only;
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};
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partition@3600000 {
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label = "ML4";
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reg = <0x3600000 0x200000>;
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sercomm,scpart-id = <8>;
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read-only;
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};
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partition@3800000 {
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label = "ML5";
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reg = <0x3800000 0x200000>;
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sercomm,scpart-id = <9>;
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read-only;
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};
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partition@3a00000 {
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label = "ML6";
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reg = <0x3a00000 0x200000>;
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sercomm,scpart-id = <10>;
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read-only;
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};
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partition@3c00000 {
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label = "ML7";
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reg = <0x3c00000 0x200000>;
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sercomm,scpart-id = <11>;
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read-only;
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};
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partition@3e00000 {
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label = "ML8";
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reg = <0x3e00000 0x200000>;
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sercomm,scpart-id = <12>;
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read-only;
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};
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partition@4000000 {
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label = "ML9";
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reg = <0x4000000 0x200000>;
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sercomm,scpart-id = <13>;
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read-only;
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};
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partition@4200000 {
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label = "ML10";
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reg = <0x4200000 0x200000>;
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sercomm,scpart-id = <14>;
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read-only;
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};
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partition@4400000 {
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label = "ML11";
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reg = <0x4400000 0x200000>;
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sercomm,scpart-id = <15>;
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read-only;
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};
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factory: partition@4600000 {
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label = "factory";
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reg = <0x4600000 0x200000>;
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sercomm,scpart-id = <16>;
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read-only;
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};
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partition@4800000 {
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label = "SC Private Data";
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reg = <0x4800000 0x200000>;
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sercomm,scpart-id = <17>;
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read-only;
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};
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partition@4a00000 {
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label = "POT";
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reg = <0x4a00000 0x200000>;
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sercomm,scpart-id = <18>;
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read-only;
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};
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partition@4c00000 {
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label = "Traffic Meter";
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reg = <0x4c00000 0x200000>;
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sercomm,scpart-id = <19>;
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read-only;
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};
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partition@4e00000 {
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label = "SC PID";
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reg = <0x4e00000 0x200000>;
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sercomm,scpart-id = <20>;
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read-only;
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};
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partition@5000000 {
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label = "SC Nvram";
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reg = <0x5000000 0x200000>;
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sercomm,scpart-id = <21>;
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read-only;
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};
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partition@5200000 {
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label = "Ralink Nvram";
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reg = <0x5200000 0x200000>;
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sercomm,scpart-id = <22>;
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read-only;
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};
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partition@5400000 {
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label = "reserved0";
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reg = <0x5400000 0x200000>;
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sercomm,scpart-id = <23>;
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read-only;
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};
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partition@5600000 {
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label = "reserved1";
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reg = <0x4800000 0x3800000>;
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reg = <0x5600000 0x200000>;
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sercomm,scpart-id = <24>;
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read-only;
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};
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partition@5800000 {
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label = "reserved2";
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reg = <0x5800000 0x200000>;
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sercomm,scpart-id = <25>;
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read-only;
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};
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partition@5a00000 {
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label = "reserved3";
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reg = <0x5a00000 0x200000>;
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sercomm,scpart-id = <26>;
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read-only;
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};
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partition@5c00000 {
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label = "reserved4";
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reg = <0x5c00000 0x200000>;
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sercomm,scpart-id = <27>;
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read-only;
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};
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partition@5e00000 {
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label = "reserved5";
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reg = <0x5e00000 0x2180000>;
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sercomm,scpart-id = <28>;
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read-only;
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};
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};
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