diff options
Diffstat (limited to 'lib/psci/psci_system_off.c')
| -rw-r--r-- | lib/psci/psci_system_off.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/lib/psci/psci_system_off.c b/lib/psci/psci_system_off.c index ef5d3d1d..13e9f4aa 100644 --- a/lib/psci/psci_system_off.c +++ b/lib/psci/psci_system_off.c @@ -49,3 +49,33 @@ void __dead2 psci_system_reset(void) /* This function does not return. We should never get here */ } + +int psci_system_reset2(uint32_t reset_type, u_register_t cookie) +{ + int is_vendor; + + psci_print_power_domain_map(); + + assert(psci_plat_pm_ops->system_reset2); + + is_vendor = (reset_type >> PSCI_RESET2_TYPE_VENDOR_SHIFT) & 1; + if (!is_vendor) { + /* + * Only WARM_RESET is allowed for architectural type resets. + */ + if (reset_type != PSCI_RESET2_SYSTEM_WARM_RESET) + return PSCI_E_INVALID_PARAMS; + if (psci_plat_pm_ops->write_mem_protect && + psci_plat_pm_ops->write_mem_protect(0) < 0) { + return PSCI_E_NOT_SUPPORTED; + } + } + + /* Notify the Secure Payload Dispatcher */ + if (psci_spd_pm && psci_spd_pm->svc_system_reset) { + psci_spd_pm->svc_system_reset(); + } + console_flush(); + + return psci_plat_pm_ops->system_reset2(is_vendor, reset_type, cookie); +} |