|Version 1 (modified by 6 years ago) ( diff ),|
This tool can be handy if direct memory address modification is needed based on a change desired after reading the processor reference manual available on Freescale's Website Link
devmem is a powerful, yet dangerous tool for modifying memory addresses.
root@OpenWrt:/# devmem BusyBox v1.19.4 (2013-10-02 00:06:48 PDT) multi-call binary. Usage: devmem ADDRESS [WIDTH [VALUE]] Read/write from physical address ADDRESS Address to act upon WIDTH Width (8/16/...) VALUE Data to be written
root@OpenWrt:/# devmem 0x20e05cc 32 0x1b0b8
root@OpenWrt:/# devmem 0x20E06CC 32 0x0001B0B1
devmem is inside of the busybox package.
Please enable devmem in the OpenWrt build by using make menuconfig and then re-installing busybox onto the target.