From d164f6d4f9108126f69ba2963cf6fb7ef4ba9232 Mon Sep 17 00:00:00 2001 From: Victor Gallardo Date: Fri, 8 Oct 2010 10:25:27 +0000 Subject: powerpc/4xx: Add suspend and idle support Add suspend/resume support for 4xx compatible CPUs. See /sys/power/state for available power states configured in. Add two different idle states (idle-wait and idle-doze) controlled via sysfs. Default is idle-wait. cat /sys/devices/system/cpu/cpu0/idle [wait] doze To save additional power, use idle-doze. echo doze > /sys/devices/system/cpu/cpu0/idle cat /sys/devices/system/cpu/cpu0/idle wait [doze] Signed-off-by: Victor Gallardo Signed-off-by: Josh Boyer --- arch/powerpc/Kconfig | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'arch/powerpc/Kconfig') diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 06d742c3fbcf..e16b4988f825 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -212,7 +212,7 @@ config ARCH_HIBERNATION_POSSIBLE config ARCH_SUSPEND_POSSIBLE def_bool y depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200 || PPC_83xx || \ - PPC_85xx || PPC_86xx || PPC_PSERIES + PPC_85xx || PPC_86xx || PPC_PSERIES || 44x || 40x config PPC_DCR_NATIVE bool @@ -598,13 +598,11 @@ config EXTRA_TARGETS If unsure, leave blank -if !44x || BROKEN config ARCH_WANTS_FREEZER_CONTROL def_bool y depends on ADB_PMU source kernel/power/Kconfig -endif config SECCOMP bool "Enable seccomp to safely compute untrusted bytecode" @@ -685,6 +683,15 @@ config FSL_PMC Freescale MPC85xx/MPC86xx power management controller support (suspend/resume). For MPC83xx see platforms/83xx/suspend.c +config PPC4xx_CPM + bool + default y + depends on SUSPEND && (44x || 40x) + help + PPC4xx Clock Power Management (CPM) support (suspend/resume). + It also enables support for two different idle states (idle-wait + and idle-doze). + config 4xx_SOC bool -- cgit v1.2.3