diff options
Diffstat (limited to 'bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen-devicetree/files')
2 files changed, 50 insertions, 0 deletions
diff --git a/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen-devicetree/files/xen-juno.dtsi b/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen-devicetree/files/xen-juno.dtsi new file mode 100644 index 00000000..0f9af21f --- /dev/null +++ b/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen-devicetree/files/xen-juno.dtsi @@ -0,0 +1,11 @@ +/* + * Disable IOMMU on juno board when Xen is used + */ + +/ { + + /* turn off iommu */ + iommu@2b600000 { + status = "disabled"; + }; +}; diff --git a/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen-devicetree/files/xen-n1sdp.dtsi b/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen-devicetree/files/xen-n1sdp.dtsi new file mode 100644 index 00000000..01ec14a8 --- /dev/null +++ b/bsp/meta-arm/meta-arm-autonomy/dynamic-layers/meta-arm-bsp/recipes-extended/xen-devicetree/files/xen-n1sdp.dtsi @@ -0,0 +1,39 @@ +/* + * Modify N1SDP DTB to work properly when Xen is used + */ + +/ { + + /* + * pmu is using PPI interrupts which are reserved by xen + * remove pm nodes + */ + /delete-node/ pmu; + /delete-node/ spe-pmu; + + /* + * disable IOMMU until we have a proper support in xen + */ + /delete-node/ iommu@4f000000; + /delete-node/ iommu@4f400000; + + /* + * Set extra registers required for PCI quirks to communicate with SCP + * and remove invalid properties due to removal + */ + pcie@68000000 { + reg = <0 0x68000000 0 0x1200000>, + <0 0x06000000 0 0x80000>, + <0 0x62000000 0 0x80000>; + /delete-property/ msi-map; + /delete-property/ iommu-map; + }; + + pcie@70000000 { + reg = <0 0x70000000 0 0x1200000>, + <0 0x06000000 0 0x80000>, + <0 0x60000000 0 0x80000>; + /delete-property/ msi-map; + /delete-property/ iommu-map; + }; +}; |