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021f653791
The Generic Interrupt Controller (version 3) offers services that are similar to GICv2, with a number of additional features: - Affinity routing based on the CPU MPIDR (ARE) - System register for the CPU interfaces (SRE) - Support for more that 8 CPUs - Locality-specific Peripheral Interrupts (LPIs) - Interrupt Translation Services (ITS) This patch adds preliminary support for GICv3 with ARE and SRE, non-secure mode only. It relies on higher exception levels to grant ARE and SRE access. Support for LPI and ITS will be added at a later time. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Reviewed-by: Zi Shen Lim <zlim@broadcom.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Reviewed-by: Tirumalesh Chalamarla <tchalamarla@cavium.com> Reviewed-by: Yun Wu <wuyun.wu@huawei.com> Reviewed-by: Zhen Lei <thunder.leizhen@huawei.com> Tested-by: Tirumalesh Chalamarla<tchalamarla@cavium.com> Tested-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com> Acked-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Link: https://lkml.kernel.org/r/1404140510-5382-3-git-send-email-marc.zyngier@arm.com Signed-off-by: Jason Cooper <jason@lakedaemon.net> |
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