SPL DT contains only nodes which are contain u-boot,dm-pre-reloc property. iommu node is not this case that's why when DT is read DTC reports some warnings.
$ dtc -I dtb -O dts dts/dt-spl.dtb >/dev/null <stdout>: Warning (iommus_property): /amba/spi@ff0f0000:iommus: Could not get phandle node for (cell 0) <stdout>: Warning (iommus_property): /amba/mmc@ff160000:iommus: Could not get phandle node for (cell 0) <stdout>: Warning (iommus_property): /amba/mmc@ff170000:iommus: Could not get phandle node for (cell 0) SPL also has an option to remove some DT properties which are useless for SPL to make DT even smaller. Default DT properties are pinctrl-0 pinctrl-names interrupt-parent interrupts which are already removed. The patch extends this list with iommus to get rid of above warnings. Also power-domains unused properties can be removed. Signed-off-by: Michal Simek <michal.si...@xilinx.com> --- configs/xilinx_zynqmp_virt_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/configs/xilinx_zynqmp_virt_defconfig b/configs/xilinx_zynqmp_virt_defconfig index ef91b8feabdc..2370032c150a 100644 --- a/configs/xilinx_zynqmp_virt_defconfig +++ b/configs/xilinx_zynqmp_virt_defconfig @@ -62,6 +62,7 @@ CONFIG_CMD_MTDPARTS_SHOW_NET_SIZES=y CONFIG_CMD_UBI=y CONFIG_SPL_OF_CONTROL=y CONFIG_OF_LIST="avnet-ultra96-rev1 zynqmp-a2197-revA zynqmp-e-a2197-00-revA zynqmp-g-a2197-00-revA zynqmp-m-a2197-01-revA zynqmp-m-a2197-02-revA zynqmp-m-a2197-03-revA zynqmp-p-a2197-00-revA zynqmp-zc1232-revA zynqmp-zc1254-revA zynqmp-zc1751-xm015-dc1 zynqmp-zc1751-xm016-dc2 zynqmp-zc1751-xm017-dc3 zynqmp-zc1751-xm018-dc4 zynqmp-zc1751-xm019-dc5 zynqmp-zcu100-revC zynqmp-zcu102-rev1.1 zynqmp-zcu102-rev1.0 zynqmp-zcu102-revA zynqmp-zcu102-revB zynqmp-zcu104-revA zynqmp-zcu104-revC zynqmp-zcu106-revA zynqmp-zcu111-revA zynqmp-zcu1275-revA zynqmp-zcu1275-revB zynqmp-zcu1285-revA zynqmp-zcu208-revA zynqmp-zcu216-revA zynqmp-topic-miamimp-xilinx-xdp-v1r1" +CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names interrupt-parent interrupts iommus power-domains" CONFIG_ENV_IS_NOWHERE=y CONFIG_ENV_IS_IN_FAT=y CONFIG_ENV_IS_IN_NAND=y -- 2.28.0
