Memory map for the Nor Flash

sambuddy200471
 
Posts: 1
Joined: Tue Jun 18, 2024 2:33 am

Memory map for the Nor Flash

Tue Jun 18, 2024 2:44 am

Hello,
Having recently been through the process of "upgrade" then "brick" then "recover using bootloader". I was wondering what the memory map of the NOR Flash is, incase i wanted to use "Bus Pirate" in the future to help recover the vocore.
Is it stated anywhere what the memory mape of the nor flash is?
e.g. where is the calibration data for the wifi stored, where is the boot loader, kernel, root file system ?
Thanks

Vonger
 
Posts: 906
Joined: Sun Oct 19, 2014 6:00 am

Re: Memory map for the Nor Flash

Tue Jul 16, 2024 3:30 am

Please check openwrt DTS file, there is a clear NOR address for every partition.

partition@0 {
label = "u-boot";
reg = <0x0 0x30000>;
read-only;
};

partition@30000 {
label = "u-boot-env";
reg = <0x30000 0x10000>;
read-only;
};

factory: partition@40000 {
label = "factory";
reg = <0x40000 0x10000>;
read-only;
};

firmware: partition@50000 {
compatible = "denx,uimage";
label = "firmware";
/* reg property is set based on flash size in DTS files */
};

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