diff --git a/os/hal/ports/SAMA/SAMA5D2x/hal_lld.c b/os/hal/ports/SAMA/SAMA5D2x/hal_lld.c
index 9f780c3ec..c23de6eff 100644
--- a/os/hal/ports/SAMA/SAMA5D2x/hal_lld.c
+++ b/os/hal/ports/SAMA/SAMA5D2x/hal_lld.c
@@ -59,6 +59,17 @@
  * @notapi
  */
 void hal_lld_init(void) {
+
+  /* Disabling PMC write protection. */
+  pmcDisableWP();
+
+  /* Enabling matrix clock */
+  pmcEnableH32MX();
+  pmcEnableH64MX();
+
+  /* Enabling write protection.  */
+  pmcEnableWP();
+
 #if defined(SAMA_DMA_REQUIRED)
   dmaInit();
 #endif