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| author | Kumar Gala <galak@kernel.crashing.org> | 2008-06-18 16:26:52 -0500 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2008-06-26 01:48:56 -0500 |
| commit | fc4033b2f8b1482022bff3d05505a1b1631bb6de (patch) | |
| tree | c84b275968011911d8c96acebe89aa2dd92323bf /include/asm-powerpc | |
| parent | 3dfa8773674e16f95f70a0e631e80c69390d04d7 (diff) | |
| download | blackbird-op-linux-fc4033b2f8b1482022bff3d05505a1b1631bb6de.tar.gz blackbird-op-linux-fc4033b2f8b1482022bff3d05505a1b1631bb6de.zip | |
powerpc/85xx: add DOZE/NAP support for e500 core
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>
Diffstat (limited to 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/cputable.h | 11 | ||||
| -rw-r--r-- | include/asm-powerpc/machdep.h | 1 | ||||
| -rw-r--r-- | include/asm-powerpc/reg.h | 2 | ||||
| -rw-r--r-- | include/asm-powerpc/reg_booke.h | 2 |
4 files changed, 10 insertions, 6 deletions
diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h index a3dce178b728..18feb63dd3c0 100644 --- a/include/asm-powerpc/cputable.h +++ b/include/asm-powerpc/cputable.h @@ -347,12 +347,13 @@ extern void do_feature_fixups(unsigned long value, void *fixup_start, #define CPU_FTRS_E200 (CPU_FTR_USE_TB | CPU_FTR_SPE_COMP | \ CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \ CPU_FTR_UNIFIED_ID_CACHE) -#define CPU_FTRS_E500 (CPU_FTR_USE_TB | CPU_FTR_SPE_COMP | \ - CPU_FTR_NODSISRALIGN) -#define CPU_FTRS_E500_2 (CPU_FTR_USE_TB | CPU_FTR_SPE_COMP | \ - CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN) -#define CPU_FTRS_E500MC (CPU_FTR_USE_TB | CPU_FTR_BIG_PHYS | \ +#define CPU_FTRS_E500 (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \ + CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \ + CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_BIG_PHYS | \ CPU_FTR_NODSISRALIGN) +#define CPU_FTRS_E500MC (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \ + CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN) #define CPU_FTRS_GENERIC_32 (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN) /* 64-bit CPUs */ diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h index 54ed64df95b8..989922621e35 100644 --- a/include/asm-powerpc/machdep.h +++ b/include/asm-powerpc/machdep.h @@ -262,6 +262,7 @@ struct machdep_calls { #endif }; +extern void e500_idle(void); extern void power4_idle(void); extern void power4_cpu_offline_powersave(void); extern void ppc6xx_idle(void); diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h index edc0cfd7f6e2..079999b032af 100644 --- a/include/asm-powerpc/reg.h +++ b/include/asm-powerpc/reg.h @@ -240,7 +240,7 @@ #define HID0_DAPUEN (1<<8) /* Debug APU enable */ #define HID0_SGE (1<<7) /* Store Gathering Enable */ #define HID0_SIED (1<<7) /* Serial Instr. Execution [Disable] */ -#define HID0_DFCA (1<<6) /* Data Cache Flush Assist */ +#define HID0_DCFA (1<<6) /* Data Cache Flush Assist */ #define HID0_LRSTK (1<<4) /* Link register stack - 745x */ #define HID0_BTIC (1<<5) /* Branch Target Instr Cache Enable */ #define HID0_ABE (1<<3) /* Address Broadcast Enable */ diff --git a/include/asm-powerpc/reg_booke.h b/include/asm-powerpc/reg_booke.h index a1ab2ba8f1b2..a5e8903bbc87 100644 --- a/include/asm-powerpc/reg_booke.h +++ b/include/asm-powerpc/reg_booke.h @@ -61,6 +61,8 @@ #define SPRN_SPEFSCR 0x200 /* SPE & Embedded FP Status & Control */ #define SPRN_BBEAR 0x201 /* Branch Buffer Entry Address Register */ #define SPRN_BBTAR 0x202 /* Branch Buffer Target Address Register */ +#define SPRN_L1CFG0 0x203 /* L1 Cache Configure Register 0 */ +#define SPRN_L1CFG1 0x204 /* L1 Cache Configure Register 1 */ #define SPRN_ATB 0x20E /* Alternate Time Base */ #define SPRN_ATBL 0x20E /* Alternate Time Base Lower */ #define SPRN_ATBU 0x20F /* Alternate Time Base Upper */ |
