drivers: misc: ethos_u: support default dcache flush/invalidate (1bc008da) · Commits · Wenxi XU / zephyr

drivers/misc/ethos_u/Kconfig

+5 −0

Original line number	Diff line number	Diff line
		@@ -18,3 +18,8 @@ config ETHOS_U_NUMAKER
		Enables Nuvoton NuMaker frontend of Arm Ethos-U NPU driver

		endchoice

		config ETHOS_U_DCACHE
		bool "Override Ethos-U driver DCache functions"
		depends on ETHOS_U
		default y if CACHE_MANAGEMENT

+17 −0

Original line number	Diff line number	Diff line
		@@ -9,6 +9,7 @@
		#include <zephyr/devicetree.h>
		#include <zephyr/kernel.h>
		#include <zephyr/sys/util.h>
		#include <zephyr/cache.h>

		#include <ethosu_driver.h>

		@@ -100,3 +101,19 @@ int ethosu_semaphore_give(void *sem)
		k_sem_give((struct k_sem *)sem);
		return 0;
		}

		#if defined(CONFIG_ETHOS_U_DCACHE)
		void ethosu_flush_dcache(uint32_t *p, size_t bytes)
		{
		if (p && bytes) {
		sys_cache_data_flush_range((void *)p, bytes);
		}
		}

		void ethosu_invalidate_dcache(uint32_t *p, size_t bytes)
		{
		if (p && bytes) {
		sys_cache_data_invd_range((void *)p, bytes);
		}
		}
		#endif