FUSELEVEL parameter in mass flash

Autonomous Machines Jetson & Embedded Systems Jetson AGX Xavier
1

Hi ,

We are trying out mass flash , to create mass flash blob with offline method we used below command

sudo BOARDID=<boardid> BOARDSKU=<sku> FAB=<fab>
BOARDREV=<rev> FUSELEVEL=fuselevel_production ./nvmassflashgen.sh
<device name> mmcblk0p1

Let us know what is the significance of FUSELEVEL parameter ? @WayneWWW

3

hello _darshan_m,

FUSELEVEL parameter to specify this is fused or non-fuse device.

4

Hi ,
Thanks for replay.

We would like to know the significance of FUSELEVEL parameter, is there any document to get more info on fused and non fused device?

Thanks
Darshan

5

hello _darshan_m,

please check Secure Boot chapter.
you’ll need to burn the keys, PKC or PKC+SBK to enable Jetson security, then you have a fused device.
beware, fuse programming is non-reversible, once a fuse bit is programmed by setting to 1, you cannot change the fuse value from 1 to 0.

6

Hi ,

Thanks for sharing .

In our case we are using below command to create mass-flash blob.

so , “FUSELEVEL=fuselevel_production” parameter will not actually burn any fuse on setup right ?

Thanks
Darshan

7

hello _darshan_m,

FUSELEVEL it’s the parameter to assign the fuse info. it won’t perform fuse burn to the target.

8

Hi ,
Thanks for information

Thanks
Darshan

10

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