diff options
Diffstat (limited to 'plat/arm/common/arm_pm.c')
| -rw-r--r-- | plat/arm/common/arm_pm.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/plat/arm/common/arm_pm.c b/plat/arm/common/arm_pm.c index cc131a9f..5e7e047a 100644 --- a/plat/arm/common/arm_pm.c +++ b/plat/arm/common/arm_pm.c @@ -11,6 +11,7 @@ #include <console.h> #include <errno.h> #include <plat_arm.h> +#include <platform.h> #include <platform_def.h> #include <psci.h> @@ -140,6 +141,24 @@ const plat_psci_ops_t *plat_arm_psci_override_pm_ops(plat_psci_ops_t *ops) } /****************************************************************************** + * Helper function to save the platform state before a system suspend. Save the + * state of the system components which are not in the Always ON power domain. + *****************************************************************************/ +void arm_system_pwr_domain_save(void) +{ + /* Assert system power domain is available on the platform */ + assert(PLAT_MAX_PWR_LVL >= ARM_PWR_LVL2); + + plat_arm_gic_save(); + + /* + * All the other peripheral which are configured by ARM TF are + * re-initialized on resume from system suspend. Hence we + * don't save their state here. + */ +} + +/****************************************************************************** * Helper function to resume the platform from system suspend. Reinitialize * the system components which are not in the Always ON power domain. * TODO: Unify the platform setup when waking up from cold boot and system @@ -153,12 +172,8 @@ void arm_system_pwr_domain_resume(void) /* Assert system power domain is available on the platform */ assert(PLAT_MAX_PWR_LVL >= ARM_PWR_LVL2); - /* - * TODO: On GICv3 systems, figure out whether the core that wakes up - * first from system suspend need to initialize the re-distributor - * interface of all the other suspended cores. - */ - plat_arm_gic_init(); + plat_arm_gic_resume(); + plat_arm_security_setup(); arm_configure_sys_timer(); } |