From 5da4092d07c31acaa3d44ac57fa3b02a3be67182 Mon Sep 17 00:00:00 2001 From: Bhavik Patel Date: Wed, 15 Jul 2020 10:06:43 +0200 Subject: 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 --- include/ethosu_device.h | 23 +++++++++++++++++++++++ include/pmu_ethosu.h | 1 - 2 files changed, 23 insertions(+), 1 deletion(-) (limited to 'include') 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 #include #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 #ifdef __cplusplus -- cgit v1.2.1