RTEMS | aarch64/xilinx-zynqmp: Use FDT to define PCIe memory mappings (!1116)

Thu Mar 12 23:02:43 UTC 2026

Aaron Nyholm started a new discussion on bsps/aarch64/xilinx-zynqmp/start/bspstart.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1116#note_145163

 >  #include <bsp/ecc_priv.h>
 >  #include <bsp/irq-generic.h>
 >  #include <bsp/linker-symbols.h>
 > +#include <bsp/aarch64-mmu.h>
 > +#include <bsp/fdt.h>
 > +#include <libfdt.h>
 > +
 > +/*
 > + * Initialize PCIe MMU mapping using the device tree.
 > + *
 > + * Example PCIe node in the device tree:
 > + *
 > + * pcie at fd0e0000 {
 > + *     compatible = "xlnx,zynqmp-pcie";

Where was this FDT sourced from? We should try and keep our FDT inline with FreeBSD and Linux where possible.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1116#note_145163
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