4 ms·
They communicate via AXI/AHB bus[0] according to the block diagram in the datasheet[1]. [0] https://en.m.wikipedia.org/wiki/Advanced_Microcontroller_Bus_Archit
by nudgeee 8y ago
They communicate via AXI/AHB bus[0] according to the block diagram in the datasheet[1].
[0] https://en.m.wikipedia.org/wiki/Advanced_Microcontroller_Bus_Architecture https://en.m.wikipedia.org/wiki/Advanced_Microcontroller_Bus...
[1] https://www.nxp.com/docs/en/data-sheet/IMX7DCEC.pdf https://www.nxp.com/docs/en/data-sheet/IMX7DCEC.pdf
- zokier 8y agoInteresting, I went out and looked more into it and it seems like rpmsg from openamp is the "blessed" way of doing communication between the cores, and they seem to share the memory space with the memory controller sitting on the same bus. Random presentation slides I found on the topic: https://elinux.org/images/3/3b/NOVAK_CERVENKA.pdf https://elinux.org/images/3/3b/NOVAK_CERVENKA.pdf