diff options
| author | Bhavik Patel <bhavik.patel@arm.com> | 2020-07-15 10:06:43 +0200 |
|---|---|---|
| committer | tim.hall <tim.hall@arm.com> | 2020-07-22 12:21:58 +0000 |
| commit | 5da4092d07c31acaa3d44ac57fa3b02a3be67182 (patch) | |
| tree | 04b9a3a61d81fe6ad599bfa55b47315b87fe6ec9 /include | |
| parent | f50578199cca79b73596672a4838640130d1aa8f (diff) | |
| download | ethos-u-core-driver-5da4092d07c31acaa3d44ac57fa3b02a3be67182.tar.gz | |
MLBEDSW-2594 Initialize the Ethos-U before every job
This includes resetting the Ethos-U and restoring the
previosuly saved PMU configuration (if any).
Change-Id: Id952fb6fef513468952b6a469e857510f8c0214c
Diffstat (limited to 'include')
| -rw-r--r-- | include/ethosu_device.h | 23 | ||||
| -rw-r--r-- | include/pmu_ethosu.h | 1 |
2 files changed, 23 insertions, 1 deletions
diff --git a/include/ethosu_device.h b/include/ethosu_device.h index 46772ba..81f24a9 100644 --- a/include/ethosu_device.h +++ b/include/ethosu_device.h @@ -22,6 +22,9 @@ * Includes ******************************************************************************/ +#include "pmu_ethosu.h" + +#include <stdbool.h> #include <stdint.h> #ifdef __cplusplus @@ -51,6 +54,10 @@ enum ethosu_error_codes struct ethosu_device { uintptr_t base_address; + bool restore_pmu_config; + uint64_t pmccntr; + uint32_t pmu_evcntr[ETHOSU_PMU_NCOUNTERS]; + enum ethosu_pmu_event_type pmu_evtypr[ETHOSU_PMU_NCOUNTERS]; }; struct ethosu_id @@ -355,6 +362,22 @@ uint32_t ethosu_read_reg(struct ethosu_device *dev, uint32_t address); void ethosu_write_reg(struct ethosu_device *dev, uint32_t address, uint32_t value); +/** + * Save the PMU configuration to ethosu_device struct. + * \param[in] dev Ethos-U device where the PMU configuration is + * saved. + * \return \ref ethosu_error_codes + */ +enum ethosu_error_codes ethosu_save_pmu_config(struct ethosu_device *dev); + +/** + * Restore the PMU configuration from a ethosu_device struct. + * \param[in] dev Ethos-U device where the PMU configuration is + * stored. + * \return \ref ethosu_error_codes + */ +enum ethosu_error_codes ethosu_restore_pmu_config(struct ethosu_device *dev); + #ifdef __cplusplus } #endif diff --git a/include/pmu_ethosu.h b/include/pmu_ethosu.h index e83b879..41614e7 100644 --- a/include/pmu_ethosu.h +++ b/include/pmu_ethosu.h @@ -19,7 +19,6 @@ #ifndef PMU_ETHOSU_H #define PMU_ETHOSU_H -#include "ethosu_device.h" #include <stdint.h> #ifdef __cplusplus |