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(parent: 50d8cf2) | patch
Provide a hint to power controller for DSU cluster power down
authorMadhukar Pappireddy <madhukar.pappireddy@arm.com>
Wed, 30 Oct 2019 19:24:39 +0000 (14:24 -0500)
committerMadhukar Pappireddy <madhukar.pappireddy@arm.com>
Wed, 15 Apr 2020 15:10:24 +0000 (10:10 -0500)
commit9cf7f355ce8984a4cde970d5f57c913d5247ca6d
treeba6e7d81c58f8ca6d70261e267e4e93c2986d689tree | snapshot
parent50d8cf26dc57bb453b1a52be646140bfea4aa591commit | diff
Provide a hint to power controller for DSU cluster power down

By writing 0 to CLUSTERPWRDN DSU register bit 0, we send an
advisory to the power controller that cluster power is not required
when all cores are powered down.

The AArch32 CLUSTERPWRDN register is architecturally mapped to the
AArch64 CLUSTERPWRDN_EL1 register

Change-Id: Ie6e67c1c7d811fa25c51e2e405ca7f59bd20c81b
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
include/arch/aarch32/arch.h diff | blob | history
include/arch/aarch32/arch_helpers.h diff | blob | history
include/arch/aarch64/arch.h diff | blob | history
include/arch/aarch64/arch_helpers.h diff | blob | history
plat/arm/board/fvp/fvp_pm.c diff | blob | history
plat/arm/css/common/css_pm.c diff | blob | history
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