I would like to use the extlinux.conf APPEND section to reserve a specific chunk of memory that to be used by my driver. It is a limitation of my FPGA design that I need a specific location to be used for PCIe.
Can someone advise whether this is feasible using the “memmap” APPEND option ( for example memmap=1G$38000000 ) in my extlinux.conf or if there is a better way?
From my experiments so far, it seems that memmap is not being accepted by the kernel.
Linux tegra-ubuntu-1 3.10.96-tegra #1 SMP PREMPT Wed Nov 9 19:42:57 PST 2016 aarch64 aarch64 aarch64 GNU/Linux