In PMU firmware, each module can be enabled/disabled based on your requirement. This is achieved by using build flags. The following table describes the important build flags in PMU firmware and its usage. Please see xpfw_config.h file in PMU firmware sources for a complete list of build flags.
| Flag | Description | Prerequisites | Default Setting |
|---|---|---|---|
| XPFW_DEBUG_DETAILED | Enables detailed debug prints in PMU firmware. This feature is supported in 2017.3 release and above. |
Disabled | |
| PM_LOG_LEVEL | Enables print based debug functions for PM module. Possible
values are:
Higher numbers include the debug scope of lower number, i.e. enabling 3 (warnings) also enables 1 (alerts) and 2 (errors). |
Disabled | |
| ENABLE_EM | Enables Error Management Module. | ENABLE_SCHEDULER | Disabled |
| ENABLE_ESCALATION | Enables escalation of sub-system restart to SRST/PS-Only if the first restart attempt fails. | ENABLE_RECOVERY, ENABLE_EM, ENABLE_SCHEDULER | Disabled |
| ENABLE_RECOVERY | Enables WDT based restart of APU sub-system. | ENABLE_EM, ENABLE_PM, EMABLE_SCHEDULER | Disabled |
| ENABLE_PM | Enables Power Management Module | Enabled | |
| ENABLE_NODE_IDLING | Enables idling and reset of nodes before force shutdown of a sub-system. | Disabled | |
| ENABLE_SCHEDULER | Enables Scheduler module | Enabled | |
| ENABLE_WDT | Enables CSU WDT based restart of system used by PMU. | ENABLE_SCHEDULER, ENABLE_EM | Disabled |
| ENABLE_STL | Enables STL Module. | None | Disabled |
| ENABLE_RTC_TEST | Enables RTC event handler test module. | None | Disabled |
| ENABLE_SAFETY | Enables CRC calculation for IPI messages. | None | Disabled |
| ENABLE_FPGA_LOAD | Enables FPGA bit stream loading feature. | ENABLE PM | Enabled |
| ENABLE_SECURE | Enables security features. | ENABLE PM | Enabled |
| IDLE_PERIPHERALS | Enables idling peripherals before PS-only or System reset. | ENABLE PM | Disabled |
| ENABLE_POS | Enables Power Off Suspend feature. | ENABLE PM | Disabled |
| EFUSE_ACCESS | Enables efuse access feature. | ENABLE PM | Disabled |
| ENABLE_UNUSED_RPU_ PWR_DWN | Powers down RPU(s) and slaves if they are not running after receiving PmInitFinalize. | Enabled | |
| USE_DDR_FOR_APU_RESTART | Enables handling of APU restart gracefully by storing FSBL to DDR during boot and restoring it back to OCM before performing APU restart. | ENABLE_SECURE | Enabled |