cpu/sam0_common: flashpage: invalidate cache on _lock()

RIOT-OS · Oct 28, 2020 · 1840972 · 1840972
1 parent b5913b7
commit 1840972
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/cpu/sam0_common/periph/flashpage.c b/cpu/sam0_common/periph/flashpage.c
@@ -84,6 +84,11 @@ static void _lock(void)
 #else
     PAC1->WPSET.reg = PAC1_WPROT_DEFAULT_VAL;
 #endif
+
+    /* invalidate cache */
+#ifdef CMCC
+    CMCC->MAINT0.bit.INVALL = 1;
+#endif
 }
 
 static void _cmd_clear_page_buffer(void)