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powerpc/85xx: add DOZE/NAP support for e500 core

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The e500 core enter DOZE/NAP power-saving modes when the core go to
cpu_idle routine.

The power management default running mode is DOZE, If the user

echo 1 > /proc/sys/kernel/powersave-nap

the system will change to NAP running mode.

Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala
2008-06-18 16:26:52 -05:00
parent 3dfa877367
commit fc4033b2f8
11 changed files with 152 additions and 14 deletions
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3
arch/powerpc/kernel/cputable.c
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@@ -1491,7 +1491,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
.pvr_mask = 0xffff0000,
.pvr_value = 0x80200000,
.cpu_name = "e500",
/* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
.cpu_features = CPU_FTRS_E500,
.cpu_user_features = COMMON_USER_BOOKE |
PPC_FEATURE_HAS_SPE_COMP |
@@ -1508,7 +1507,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
.pvr_mask = 0xffff0000,
.pvr_value = 0x80210000,
.cpu_name = "e500v2",
/* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
.cpu_features = CPU_FTRS_E500_2,
.cpu_user_features = COMMON_USER_BOOKE |
PPC_FEATURE_HAS_SPE_COMP |
@@ -1526,7 +1524,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
.pvr_mask = 0xffff0000,
.pvr_value = 0x80230000,
.cpu_name = "e500mc",
/* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
.cpu_features = CPU_FTRS_E500MC,
.cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
.icache_bsize = 64,