Forum Discussion
New ContributorDevice tree and HPS access
Hello support.
I need to know if the device tree attribute disabled or ok affecting HPS access to FPGA peripherals .
Hello,
The "Disable" and "OK" attributes in the device tree will disable or enable the driver of this peripheral. However, ARM can access the registers of these peripherals. You can use direct access via virtual memory to do this task.
Please let me know if you need further help.
Thank you
2 Replies
FawazJ_AlteraFrequent Contributor
Hello,
The "Disable" and "OK" attributes in the device tree will disable or enable the driver of this peripheral. However, ARM can access the registers of these peripherals. You can use direct access via virtual memory to do this task.
Please let me know if you need further help.
Thank you
XChooThank you Fjumaah,
Your description was clear and help me to undestand the driver relation with disable or OK.
