intel_adsp: mem_window: reinitialize after idle exit

Exiting idle state requires to reinitialize all memory window instances to flush the cached memory. Added function that calls initialization of devices during runtime. Signed-off-by: Andrey Borisovich <andrey.borisovich@intel.com>
zephyrproject-rtos · Mar 24, 2023 · 8dcac84 · 8dcac84
1 parent fc367d4
commit 8dcac84
Show file tree

Hide file tree

Showing 2 changed files with 10 additions and 0 deletions.
diff --git a/soc/xtensa/intel_adsp/common/include/mem_window.h b/soc/xtensa/intel_adsp/common/include/mem_window.h
@@ -42,6 +42,8 @@ struct mem_win_config {
 	bool read_only;
 };
 
+void mem_window_idle_exit(void);
+
 #endif
 
 #endif
diff --git a/soc/xtensa/intel_adsp/common/mem_window.c b/soc/xtensa/intel_adsp/common/mem_window.c
@@ -37,6 +37,14 @@ __imr int mem_win_init(const struct device *dev)
 	return 0;
 }
 
+void mem_window_idle_exit(void)
+{
+	mem_win_init(DEVICE_DT_GET(MEM_WINDOW_NODE(0)));
+	mem_win_init(DEVICE_DT_GET(MEM_WINDOW_NODE(1)));
+	mem_win_init(DEVICE_DT_GET(MEM_WINDOW_NODE(2)));
+	mem_win_init(DEVICE_DT_GET(MEM_WINDOW_NODE(3)));
+}
+
 #define MEM_WINDOW_DEFINE(n)                                                                       \
 	static const struct mem_win_config mem_win_config_##n = {                                  \
 		.base_addr = DT_REG_ADDR(MEM_WINDOW_NODE(n)),                                      \