diff options
Diffstat (limited to 'plat/arm/common/arm_pm.c')
| -rw-r--r-- | plat/arm/common/arm_pm.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/plat/arm/common/arm_pm.c b/plat/arm/common/arm_pm.c index 2497588f..d13d2683 100644 --- a/plat/arm/common/arm_pm.c +++ b/plat/arm/common/arm_pm.c @@ -30,7 +30,9 @@ #include <arch_helpers.h> #include <arm_def.h> +#include <arm_gic.h> #include <assert.h> +#include <console.h> #include <errno.h> #include <plat_arm.h> #include <platform_def.h> @@ -148,6 +150,26 @@ int arm_validate_ns_entrypoint(uintptr_t entrypoint) return PSCI_E_INVALID_ADDRESS; } +/****************************************************************************** + * 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 + * resume in arm_bl31_platform_setup(). + *****************************************************************************/ +void arm_system_pwr_domain_resume(void) +{ + console_init(PLAT_ARM_BOOT_UART_BASE, PLAT_ARM_BOOT_UART_CLK_IN_HZ, + ARM_CONSOLE_BAUDRATE); + + /* Assert system power domain is available on the platform */ + assert(PLAT_MAX_PWR_LVL >= ARM_PWR_LVL2); + + arm_gic_setup(); + plat_arm_security_setup(); + + arm_configure_sys_timer(); +} + /******************************************************************************* * Private function to program the mailbox for a cpu before it is released * from reset. This function assumes that the Trusted mail box base is within |