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>
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 7f87289..9aeea1d 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -39,6 +39,7 @@
bool
depends on PCI
depends on PCI_MSI
+ select ACPI_IORT if ACPI
config ARM_NVIC
bool