Message ID | 1366869439-9695-2-git-send-email-rajeshwari.s@samsung.com |
---|---|
State | Changes Requested |
Delegated to: | Minkyu Kang |
Headers | show |
Hi Rajeshwari, On Wed, Apr 24, 2013 at 11:57 PM, Rajeshwari Shinde <rajeshwari.s@samsung.com> wrote: > This patch adds APIs to get power reset status and exit the wakeup condition for > both exynos5 and exynos4 > > Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com> > --- > arch/arm/cpu/armv7/exynos/power.c | 50 ++++++++++++++++++++++++++++++ > arch/arm/include/asm/arch-exynos/power.h | 10 ++++++ > 2 files changed, 60 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c > index 6375a81..5d3bda2 100644 > --- a/arch/arm/cpu/armv7/exynos/power.c > +++ b/arch/arm/cpu/armv7/exynos/power.c > @@ -140,3 +140,53 @@ void set_hw_thermal_trip(void) > setbits_le32(&power->ps_hold_control, POWER_ENABLE_HW_TRIP); > } > } > + > +static uint32_t exynos5_get_reset_status(void) > +{ > + struct exynos5_power *power = > + (struct exynos5_power *)samsung_get_base_power(); > + > + return power->inform1; > +} > + > +static uint32_t exynos4_get_reset_status(void) > +{ > + struct exynos4_power *power = > + (struct exynos4_power *)samsung_get_base_power(); > + > + return power->inform1; > +} > + > +uint32_t get_reset_status(void) > +{ > + if (cpu_is_exynos5()) > + return exynos5_get_reset_status(); > + else > + return exynos4_get_reset_status(); > +} > + > +static void exynos5_power_exit_wakeup(void) > +{ > + struct exynos5_power *power = > + (struct exynos5_power *)samsung_get_base_power(); > + typedef void (*resume_func)(void); > + > + ((resume_func)power->inform0)(); > +} > + > +static void exynos4_power_exit_wakeup(void) > +{ > + struct exynos4_power *power = > + (struct exynos4_power *)samsung_get_base_power(); > + typedef void (*resume_func)(void); > + > + ((resume_func)power->inform0)(); > +} > + > +void power_exit_wakeup(void) > +{ > + if (cpu_is_exynos5()) > + exynos5_power_exit_wakeup(); > + else > + exynos4_power_exit_wakeup(); > +} > diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h > index 3549667..98e1144 100644 > --- a/arch/arm/include/asm/arch-exynos/power.h > +++ b/arch/arm/include/asm/arch-exynos/power.h > @@ -888,4 +888,14 @@ void set_ps_hold_ctrl(void); > * source as XXTI > */ > void set_xclkout(void); > + > +/* > + * Read inform1 to get the reset status Please can you expand this comment? What values are returned? Do you have an enum that can be used to decode the values? > + */ > +uint32_t get_reset_status(void); > + > +/* > + * Read the resume function and call it > + */ > +void power_exit_wakeup(void); > #endif > -- > 1.7.4.4 > Regards, Simon
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c index 6375a81..5d3bda2 100644 --- a/arch/arm/cpu/armv7/exynos/power.c +++ b/arch/arm/cpu/armv7/exynos/power.c @@ -140,3 +140,53 @@ void set_hw_thermal_trip(void) setbits_le32(&power->ps_hold_control, POWER_ENABLE_HW_TRIP); } } + +static uint32_t exynos5_get_reset_status(void) +{ + struct exynos5_power *power = + (struct exynos5_power *)samsung_get_base_power(); + + return power->inform1; +} + +static uint32_t exynos4_get_reset_status(void) +{ + struct exynos4_power *power = + (struct exynos4_power *)samsung_get_base_power(); + + return power->inform1; +} + +uint32_t get_reset_status(void) +{ + if (cpu_is_exynos5()) + return exynos5_get_reset_status(); + else + return exynos4_get_reset_status(); +} + +static void exynos5_power_exit_wakeup(void) +{ + struct exynos5_power *power = + (struct exynos5_power *)samsung_get_base_power(); + typedef void (*resume_func)(void); + + ((resume_func)power->inform0)(); +} + +static void exynos4_power_exit_wakeup(void) +{ + struct exynos4_power *power = + (struct exynos4_power *)samsung_get_base_power(); + typedef void (*resume_func)(void); + + ((resume_func)power->inform0)(); +} + +void power_exit_wakeup(void) +{ + if (cpu_is_exynos5()) + exynos5_power_exit_wakeup(); + else + exynos4_power_exit_wakeup(); +} diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h index 3549667..98e1144 100644 --- a/arch/arm/include/asm/arch-exynos/power.h +++ b/arch/arm/include/asm/arch-exynos/power.h @@ -888,4 +888,14 @@ void set_ps_hold_ctrl(void); * source as XXTI */ void set_xclkout(void); + +/* + * Read inform1 to get the reset status + */ +uint32_t get_reset_status(void); + +/* + * Read the resume function and call it + */ +void power_exit_wakeup(void); #endif
This patch adds APIs to get power reset status and exit the wakeup condition for both exynos5 and exynos4 Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com> --- arch/arm/cpu/armv7/exynos/power.c | 50 ++++++++++++++++++++++++++++++ arch/arm/include/asm/arch-exynos/power.h | 10 ++++++ 2 files changed, 60 insertions(+), 0 deletions(-)