diff options
| -rw-r--r-- | hw/slw.c | 24 | ||||
| -rw-r--r-- | include/opal.h | 10 |
2 files changed, 20 insertions, 14 deletions
@@ -412,10 +412,6 @@ struct cpu_idle_states { from PACA pointer */ #define IDLE_LOSE_FULL_CONTEXT 0x00004000 /* Restore hypervisor resource by searching PACA */ -#define IDLE_USE_INST_NAP 0x00010000 /* Use nap instruction */ -#define IDLE_USE_INST_SLEEP 0x00020000 /* Use sleep instruction (no workaround) */ -#define IDLE_USE_INST_WINKLE 0x00040000 /* Use winkle instruction */ -#define IDLE_USE_INST_SLEEP_ER1 0x00080000 /* Use sleep instruction (need workaround)*/ #define IDLE_USE_PMICR 0x00800000 /* Use SPR PMICR instruction */ #define IDLE_FASTSLEEP_PMICR 0x0000002000000000 @@ -436,9 +432,9 @@ static struct cpu_idle_states power7_cpu_idle_states[] = { | 1*IDLE_LOSE_USER_CONTEXT \ | 0*IDLE_LOSE_HYP_CONTEXT \ | 0*IDLE_LOSE_FULL_CONTEXT \ - | 1*IDLE_USE_INST_NAP \ - | 0*IDLE_USE_INST_SLEEP \ - | 0*IDLE_USE_INST_WINKLE \ + | 1*OPAL_PM_NAP_ENABLED \ + | 0*OPAL_PM_SLEEP_ENABLED \ + | 0*OPAL_PM_WINKLE_ENABLED \ | 0*IDLE_USE_PMICR, .pmicr = 0, .pmicr_mask = 0 }, @@ -454,7 +450,7 @@ static struct cpu_idle_states power8_cpu_idle_states[] = { | 1*IDLE_LOSE_USER_CONTEXT \ | 0*IDLE_LOSE_HYP_CONTEXT \ | 0*IDLE_LOSE_FULL_CONTEXT \ - | 1*IDLE_USE_INST_NAP \ + | 1*OPAL_PM_NAP_ENABLED \ | 0*IDLE_USE_PMICR, .pmicr = 0, .pmicr_mask = 0 }, @@ -467,7 +463,7 @@ static struct cpu_idle_states power8_cpu_idle_states[] = { | 1*IDLE_LOSE_USER_CONTEXT \ | 0*IDLE_LOSE_HYP_CONTEXT \ | 0*IDLE_LOSE_FULL_CONTEXT \ - | 1*IDLE_USE_INST_SLEEP_ER1 \ + | 1*OPAL_PM_SLEEP_ENABLED_ER1 \ | 0*IDLE_USE_PMICR, /* Not enabled until deep states are available */ .pmicr = IDLE_FASTSLEEP_PMICR, @@ -487,7 +483,7 @@ static struct cpu_idle_states power8_cpu_idle_states[] = { | 1*IDLE_LOSE_USER_CONTEXT \ | 1*IDLE_LOSE_HYP_CONTEXT \ | 1*IDLE_LOSE_FULL_CONTEXT \ - | 1*IDLE_USE_INST_WINKLE \ + | 1*OPAL_PM_WINKLE_ENABLED \ | 0*IDLE_USE_PMICR, /* Currently choosing deep vs fast via EX_PM_GP1 reg */ .pmicr = 0, @@ -594,10 +590,10 @@ static void add_cpu_idle_state_properties(void) for (i = 0; i < nr_states; i++) { /* For each state, check if it is one of the supported states. */ - if( (states[i].flags & IDLE_USE_INST_NAP) || - ((states[i].flags & IDLE_USE_INST_SLEEP) && can_sleep) || - ((states[i].flags & IDLE_USE_INST_SLEEP_ER1) && can_sleep) || - ((states[i].flags & IDLE_USE_INST_WINKLE) && can_winkle) ) { + if( (states[i].flags & OPAL_PM_NAP_ENABLED) || + ((states[i].flags & OPAL_PM_SLEEP_ENABLED) && can_sleep) || + ((states[i].flags & OPAL_PM_SLEEP_ENABLED_ER1) && can_sleep) || + ((states[i].flags & OPAL_PM_WINKLE_ENABLED) && can_winkle) ) { /* * If a state is supported add each of its property * to its corresponding property buffer. diff --git a/include/opal.h b/include/opal.h index e8e6fd0..8088175 100644 --- a/include/opal.h +++ b/include/opal.h @@ -161,6 +161,16 @@ #define OPAL_I2C_REQUEST 109 #define OPAL_LAST 109 +/* Device tree flags */ + +/* Flags set in power-mgmt nodes in device tree if + * respective idle states are supported in the platform. + */ +#define OPAL_PM_NAP_ENABLED 0x00010000 +#define OPAL_PM_SLEEP_ENABLED 0x00020000 +#define OPAL_PM_WINKLE_ENABLED 0x00040000 +#define OPAL_PM_SLEEP_ENABLED_ER1 0x00080000 /* with workaround */ + #ifndef __ASSEMBLY__ /* Other enums */ |