Re: [PATCH 16/21] arm64: dts: ls1046a: add smmu node
From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Date: 2018-09-19 13:54:56
Also in:
linux-arm-kernel, lkml, netdev
Hi Robin, On 19.09.2018 16:30, Robin Murphy wrote:
On 19/09/18 13:36, laurentiu.tudor@nxp.com wrote:quoted
From: Laurentiu Tudor <laurentiu.tudor@nxp.com> This allows for the SMMU device to be probed by the SMMU kernel driver. Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com> --- .../arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 42 +++++++++++++++++++ 1 file changed, 42 insertions(+)diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsib/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
quoted
+ <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>;
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