perf: hisi: Add support for HiSilicon SoC L3C PMU driver
This patch adds support for L3C PMU driver in HiSilicon SoC chip, Each L3C has own control, counter and interrupt registers and is an separate PMU. For each L3C PMU, it has 8-programable counters and each counter is free-running. Interrupt is supported to handle counter (48-bits) overflow. Acked-by: NMark Rutland <mark.rutland@arm.com> Reviewed-by: NJonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: NShaokun Zhang <zhangshaokun@hisilicon.com> Signed-off-by: NAnurup M <anurup.m@huawei.com> Signed-off-by: NWill Deacon <will.deacon@arm.com>
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