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author | Sascha Hauer <s.hauer@pengutronix.de> | 2022-01-27 11:22:53 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2022-01-28 15:31:59 +0100 |
commit | 5f3e773ca4830daf71c7b5eee0c6b1dfe4d09c08 (patch) | |
tree | 0634f20e5f75f3d44242af47eebd9ea1ce0163f6 /dts/Bindings/arm/xen.txt | |
parent | db35548372eaee835fbf9bae68c08362ba59d49d (diff) | |
download | barebox-5f3e773ca4830daf71c7b5eee0c6b1dfe4d09c08.tar.gz barebox-5f3e773ca4830daf71c7b5eee0c6b1dfe4d09c08.tar.xz |
dts: update to v5.17-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/arm/xen.txt')
-rw-r--r-- | dts/Bindings/arm/xen.txt | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/dts/Bindings/arm/xen.txt b/dts/Bindings/arm/xen.txt index db5c56db30..61d77acbeb 100644 --- a/dts/Bindings/arm/xen.txt +++ b/dts/Bindings/arm/xen.txt @@ -7,15 +7,17 @@ the following properties: compatible = "xen,xen-<version>", "xen,xen"; where <version> is the version of the Xen ABI of the platform. -- reg: specifies the base physical address and size of a region in - memory where the grant table should be mapped to, using an - HYPERVISOR_memory_op hypercall. The memory region is large enough to map - the whole grant table (it is larger or equal to gnttab_max_grant_frames()). - This property is unnecessary when booting Dom0 using ACPI. +- reg: specifies the base physical address and size of the regions in memory + where the special resources should be mapped to, using an HYPERVISOR_memory_op + hypercall. + Region 0 is reserved for mapping grant table, it must be always present. + The memory region is large enough to map the whole grant table (it is larger + or equal to gnttab_max_grant_frames()). + Regions 1...N are extended regions (unused address space) for mapping foreign + GFNs and grants, they might be absent if there is nothing to expose. - interrupts: the interrupt used by Xen to inject event notifications. A GIC node is also required. - This property is unnecessary when booting Dom0 using ACPI. To support UEFI on Xen ARM virtual platforms, Xen populates the FDT "uefi" node under /hypervisor with following parameters: |