ARM: vexpress/TC2: basic PM support

This is the MCPM backend for the Virtual Express A15x2 A7x3 CoreTile
aka TC2.  This provides cluster management for SMP secondary boot and
CPU hotplug.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Reviewed-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
[PM: made it drive SCC registers directly and provide base for SPC]
Signed-off-by: Pawel Moll <pawel.moll@arm.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
index b8bbabec6310..c700e623f9d8 100644
--- a/arch/arm/mach-vexpress/Kconfig
+++ b/arch/arm/mach-vexpress/Kconfig
@@ -66,4 +66,12 @@ config ARCH_VEXPRESS_DCSCB
           This is needed to provide CPU and cluster power management
           on RTSM implementing big.LITTLE.
 
+config ARCH_VEXPRESS_TC2_PM
+        bool "Versatile Express TC2 power management"
+        depends on MCPM
+        select ARM_CCI
+        help
+          Support for CPU and cluster power management on Versatile Express
+          with a TC2 (A15x2 A7x3) big.LITTLE core tile.
+
 endmenu