How to reload M4 during u-boot on A35

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How to reload M4 during u-boot on A35

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VPalermini
Contributor I

Hi, 

I am currently using the i.MX8QXP MEK board to develop an application on the M4 core. 

First, to boot image on the M4, I'm using tftp methode like the following : 

=> dhcp
=> setenv serverip <ip_from_host_pc>
=> tftp 0x88000000 hello_world.bin
=> dcache flush
=> bootaux 0x88000000

I've run the rpmsg_lite_pingpong_rtos_linux_remote demo and it works, but now I want to try another one but I'm stuck when I bootaux the new one. 

I received the following message : "Auxiliary core is already set-up"I figured out too that for each reboot, the rpmsg demo is running in back on the M4 subsytem. 

I am seeking for a way to clean the M4 memory which I supposed is not clean after a reboot, in order to run several and different demo before run my own application. 

Thanks in advance

Vincent

 

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Rita_Wang
NXP TechSupport
NXP TechSupport
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