diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/admin-guide/kdump/vmcoreinfo.rst | 16 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt | 50 |
2 files changed, 60 insertions, 6 deletions
diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst index e4ee8b2db604..2baad0bfb09d 100644 --- a/Documentation/admin-guide/kdump/vmcoreinfo.rst +++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst @@ -93,6 +93,11 @@ It exists in the sparse memory mapping model, and it is also somewhat similar to the mem_map variable, both of them are used to translate an address. +MAX_PHYSMEM_BITS +---------------- + +Defines the maximum supported physical address space memory. + page ---- @@ -399,6 +404,17 @@ KERNELPACMASK The mask to extract the Pointer Authentication Code from a kernel virtual address. +TCR_EL1.T1SZ +------------ + +Indicates the size offset of the memory region addressed by TTBR1_EL1. +The region size is 2^(64-T1SZ) bytes. + +TTBR1_EL1 is the table base address register specified by ARMv8-A +architecture which is used to lookup the page-tables for the Virtual +addresses in the higher VA range (refer to ARMv8 ARM document for +more details). + arm === diff --git a/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt b/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt index 9134e9bcca56..ebd329181c14 100644 --- a/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt +++ b/Documentation/devicetree/bindings/misc/fsl,qoriq-mc.txt @@ -28,6 +28,16 @@ Documentation/devicetree/bindings/iommu/iommu.txt. For arm-smmu binding, see: Documentation/devicetree/bindings/iommu/arm,smmu.yaml. +The MSI writes are accompanied by sideband data which is derived from the ICID. +The msi-map property is used to associate the devices with both the ITS +controller and the sideband data which accompanies the writes. + +For generic MSI bindings, see +Documentation/devicetree/bindings/interrupt-controller/msi.txt. + +For GICv3 and GIC ITS bindings, see: +Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml. + Required properties: - compatible @@ -49,11 +59,6 @@ Required properties: region may not be present in some scenarios, such as in the device tree presented to a virtual machine. - - msi-parent - Value type: <phandle> - Definition: Must be present and point to the MSI controller node - handling message interrupts for the MC. - - ranges Value type: <prop-encoded-array> Definition: A standard property. Defines the mapping between the child @@ -119,6 +124,28 @@ Optional properties: associated with the listed IOMMU, with the iommu-specifier (i - icid-base + iommu-base). +- msi-map: Maps an ICID to a GIC ITS and associated msi-specifier + data. + + The property is an arbitrary number of tuples of + (icid-base,gic-its,msi-base,length). + + Any ICID in the interval [icid-base, icid-base + length) is + associated with the listed GIC ITS, with the msi-specifier + (i - icid-base + msi-base). + +Deprecated properties: + + - msi-parent + Value type: <phandle> + Definition: Describes the MSI controller node handling message + interrupts for the MC. When there is no translation + between the ICID and deviceID this property can be used + to describe the MSI controller used by the devices on the + mc-bus. + The use of this property for mc-bus is deprecated. Please + use msi-map. + Example: smmu: iommu@5000000 { @@ -128,13 +155,24 @@ Example: ... }; + gic: interrupt-controller@6000000 { + compatible = "arm,gic-v3"; + ... + } + its: gic-its@6020000 { + compatible = "arm,gic-v3-its"; + msi-controller; + ... + }; + fsl_mc: fsl-mc@80c000000 { compatible = "fsl,qoriq-mc"; reg = <0x00000008 0x0c000000 0 0x40>, /* MC portal base */ <0x00000000 0x08340000 0 0x40000>; /* MC control reg */ - msi-parent = <&its>; /* define map for ICIDs 23-64 */ iommu-map = <23 &smmu 23 41>; + /* define msi map for ICIDs 23-64 */ + msi-map = <23 &its 23 41>; #address-cells = <3>; #size-cells = <1>; |