Hi Robin, On 19.09.2018 16:30, Robin Murphy wrote: > On 19/09/18 13:36, laurentiu.tudor@xxxxxxx wrote: >> From: Laurentiu Tudor <laurentiu.tudor@xxxxxxx> >> >> This allows for the SMMU device to be probed by the SMMU kernel driver. >> >> Signed-off-by: Laurentiu Tudor <laurentiu.tudor@xxxxxxx> >> --- >> .../arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 42 +++++++++++++++++++ >> 1 file changed, 42 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi >> b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi >> index ef83786b8b90..06863d3e4a7d 100644 >> --- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi >> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi >> @@ -228,6 +228,48 @@ >> bus-width = <4>; >> }; >> + mmu: iommu@9000000 { >> + compatible = "arm,mmu-500"; >> + reg = <0 0x9000000 0 0x400000>; >> + dma-coherent; >> + #global-interrupts = <2>; >> + #iommu-cells = <1>; >> + interrupts = <0 142 4>, /* global secure fault */ > > Either that's not really the secure global interrupt, or those context > interrupts are wrong. Now that you pointing out, I realize that the comments don't make much sense. Actually, 142 is the non-secure interrupt (all ints are ORed on this IRQ) while 143 is the secure version. I'll update the comments in the next re-spin. --- Thanks & Best Regards, Laurentiu > >> + <0 143 4>, /* combined secure interrupt */ >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>, >> + <0 142 4>; >> + }; >> + >> scfg: scfg@1570000 { >> compatible = "fsl,ls1046a-scfg", "syscon"; >> reg = <0x0 0x1570000 0x0 0x10000>; >>