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| author | Tomasz Nowicki <tn@semihalf.com> | 2016-09-12 20:32:25 +0200 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2016-09-12 21:32:42 +0200 |
| commit | 3f010cf197324b6c1e87f472e64b87c5f909735e (patch) | |
| tree | 83aedbd4e6ae60a8477ea75ff792deecec60de3a /drivers/irqchip/Kconfig | |
| parent | irqchip/gicv3-its: Refactor ITS DT init code to prepare for ACPI (diff) | |
| download | linux-3f010cf197324b6c1e87f472e64b87c5f909735e.tar.xz linux-3f010cf197324b6c1e87f472e64b87c5f909735e.zip | |
irqchip/gicv3-its: Probe ITS in the ACPI way
ITS is prepared for being initialized different than DT,
therefore we can initialize it in ACPI way. We collect register base
address from MADT table and pass mandatory info to firmware-agnostic
ITS init call.
Use here IORT lib to register ITS domain which then can be found and
used on to build another PCI MSI domain in hierarchical stack domain.
NOTE: Waiting for proper ITS and NUMA node relation description in IORT
table, we pass around NUMA_NO_NODE to the its_probe_one init call.
This means that Cavium ThunderX erratum 23144 (pass1.1 only)
is not supported for ACPI boot method yet.
Signed-off-by: Tomasz Nowicki <tn@semihalf.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'drivers/irqchip/Kconfig')
| -rw-r--r-- | drivers/irqchip/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 7f8728984f44..9aeea1d8a579 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -39,6 +39,7 @@ config ARM_GIC_V3_ITS bool depends on PCI depends on PCI_MSI + select ACPI_IORT if ACPI config ARM_NVIC bool |