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2021-02-19MLBEDSW-3868 - Driver multiNPU lockingAnton Moberg
Added: Weak linked symbols for locking if RTOS overrides Added: Semaphore Producer (release a reserved driver) Added: Semaphore Consumer (all drivers reserved and waiting for returned driver) Added: Mutex protect thread sensitive driver access Added: Weak linked symbols for yielding & resuming thread/task while waiting for IRQ Added: static inline function of ethosu_invoke_v2(...) for backwards compatibility Change-Id: If415a73b01b2357b31bb6da86f3038344c4245c6
2021-01-27MLBEDSW-3796 Ethos-U driver interface multiple NPUs21.02-rc221.02-rc1Anton Moberg
---ethosu_driver--- Modified: Declarations for the driver interfaces to support multiNPU (takes *drv) Added: ethosu_register_driver(...) to allow for a specific NPU driver to be instantiated Added: ethosu_deregister_Driver(...) to allow for a specific NPU driver to be de-registered Added: ethosu_reserve_driver(...) to reserve & return the first NPU driver instance available Added: ethosu_release_driver(...) to release a specific NPU driver instance and make it available again Added: *registered_drivers - A static linked list of drivers ready be used ---ethosu_pmu--- Modified: Declarations for pmu interfaces to support multiNPU (takes *drv) ---ethosu_device--- Modified: Resolved a circular include dependency (Remove include and add ETHOSU_PMU_NCOUNTERS macro) Change-Id: Iede41cd41bb0d5d483bd9d929d1b6c9ca5d3c48e
2021-01-18Added simplified driver setupAnton Moberg
If NPU power is guaranteed always on parts of driver setup can be omitted to reduce the number of cycles required to setup the NPU drivers. By enabling dev_power_always_on, the setup cycles are reduced by approx. ~50%. (4462->2238 in prologue, 1167->642 in epilogue) Change-Id: I56d380c2571fedbc8888fb7c00fce0e4320f7fb7
2020-11-24Restore default init values as init_v2Per Åstrand
The addition of init_v3 accidentely changed default values for soft resetting Ethos-U. Restore the default parameters to non-secure, user mode for init_v1 and init_v2 and also make sure to check return value from ethosu_soft_reset. Change-Id: If7377f11ad1db7ff988fdcba03320a54e6e0c0c1
2020-11-20Add API to set secure and privilege level of NPU20.11-rc2Per Åstrand
Change-Id: I8ca309ea4e5885865d5c9cf848500f45f83e08a2
2020-10-20PMU counter shadowKristofer Jonsson
Storing PMU counters in shadow variables, in case the PMU was powered off or soft reset. Change-Id: I64ccf3fb6195f9be2d8315891ec612bb75404885
2020-10-16MLBEDSW-3094 Improve soft reset of ETHOSU when running jobsBhavik Patel
The ETHOSU is soft-reset only if the previous job failed or if the current privilege level is not user or if the current security level is not secure. Change-Id: Id10b96058d67805d179ac693537606d55e10379b
2020-09-04Move fast memory area to core driverKristofer Jonsson
Change-Id: Ie4186f5ab881d5c13021299404322ff582180d26
2020-08-05Header cleanupKristofer Jonsson
Change-Id: I84754f316ce940917516cb7f5c59189f523d4095
2020-07-03MLBEDSW-2378 Set NPU base address in ethosu_initBhavik Patel
Change-Id: I1145834000ff81d6e497a8fa77bf997478a80372
2020-05-11MLBEDSW-1796 Refactor IRQ initializationPer Åstrand
Turn the IRQ initialization around, to have the application define the interrupt handler and expose the driver routine that is to be called when that happens. Change-Id: Idbfba1b1d1a1eaf6678ee16e9583c496eb2287ed
2020-04-16Add Ethos-u core driverKristofer Jonsson
Change-Id: I541862775031c21e6483f26446a29dfe452382ab
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