Provide a hint to power controller for DSU cluster power down

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Browse code 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> master v2.4-LS
1 parent 50d8cf2 commit 9cf7f355ce8984a4cde970d5f57c913d5247ca6d Madhukar Pappireddy authored on 30 Oct 2019

Browse code

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>

master v2.4-LS

1 parent 50d8cf2 commit 9cf7f355ce8984a4cde970d5f57c913d5247ca6d

Madhukar Pappireddy authored on 30 Oct 2019

Patch

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Ignore Space Show notes View include/arch/aarch32/arch.h

Ignore Space Show notes View include/arch/aarch32/arch_helpers.h

Ignore Space Show notes View include/arch/aarch64/arch.h

Ignore Space Show notes View include/arch/aarch64/arch_helpers.h

Ignore Space Show notes View plat/arm/board/fvp/fvp_pm.c

Ignore Space Show notes View plat/arm/css/common/css_pm.c

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