diff --git a/arch/arm/src/sama5/sam_adc.c b/arch/arm/src/sama5/sam_adc.c
index 111259de5a..a2b2b460e3 100644
--- a/arch/arm/src/sama5/sam_adc.c
+++ b/arch/arm/src/sama5/sam_adc.c
@@ -652,7 +652,7 @@ static void sam_adc_dmadone(void *arg)
        * newly DMAed data from RAM.
        */
 
-      cp15_invalidate_dcache((uintptr_t)buffer,
+      arch_invalidate_dcache((uintptr_t)buffer,
                              (uintptr_t)buffer + SAMA5_ADC_SAMPLES * sizeof(uint16_t));
 
       /* Process each sample */
diff --git a/arch/arm/src/sama5/sam_dmac.c b/arch/arm/src/sama5/sam_dmac.c
index 675b0f88d3..3b0234d44b 100644
--- a/arch/arm/src/sama5/sam_dmac.c
+++ b/arch/arm/src/sama5/sam_dmac.c
@@ -1440,7 +1440,7 @@ sam_allocdesc(struct sam_dmach_s *dmach, struct dma_linklist_s *prev,
                * that hardware will be accessing the descriptor via DMA.
                */
 
-              cp15_clean_dcache((uintptr_t)desc,
+              arch_clean_dcache((uintptr_t)desc,
                                 (uintptr_t)desc + sizeof(struct dma_linklist_s));
               break;
             }
@@ -1764,7 +1764,7 @@ static void sam_dmaterminate(struct sam_dmach_s *dmach, int result)
 
   if (dmach->rx)
     {
-      cp15_invalidate_dcache(dmach->rxaddr, dmach->rxaddr + dmach->rxsize);
+      arch_invalidate_dcache(dmach->rxaddr, dmach->rxaddr + dmach->rxsize);
     }
 
   /* Perform the DMA complete callback */
@@ -2197,7 +2197,7 @@ int sam_dmatxsetup(DMA_HANDLE handle, uint32_t paddr, uint32_t maddr,
 
   /* Clean caches associated with the DMA memory */
 
-  cp15_clean_dcache(maddr, maddr + nbytes);
+  arch_clean_dcache(maddr, maddr + nbytes);
   return ret;
 }
 
@@ -2278,7 +2278,7 @@ int sam_dmarxsetup(DMA_HANDLE handle, uint32_t paddr, uint32_t maddr,
 
   /* Clean caches associated with the DMA memory */
 
-  cp15_clean_dcache(maddr, maddr + nbytes);
+  arch_clean_dcache(maddr, maddr + nbytes);
   return ret;
 }
 
diff --git a/arch/arm/src/sama5/sam_ehci.c b/arch/arm/src/sama5/sam_ehci.c
index 5f608cf780..6e552b9cfb 100755
--- a/arch/arm/src/sama5/sam_ehci.c
+++ b/arch/arm/src/sama5/sam_ehci.c
@@ -1118,7 +1118,7 @@ static int sam_qtd_invalidate(struct sam_qtd_s *qtd, uint32_t **bp, void *arg)
    * memory over the specified address range.
    */
 
-  cp15_invalidate_dcache((uintptr_t)&qtd->hw,
+  arch_invalidate_dcache((uintptr_t)&qtd->hw,
                          (uintptr_t)&qtd->hw + sizeof(struct ehci_qtd_s));
   return OK;
 }
@@ -1137,7 +1137,7 @@ static int sam_qh_invalidate(struct sam_qh_s *qh)
 {
   /* Invalidate the QH first so that we reload the qTD list head */
 
-  cp15_invalidate_dcache((uintptr_t)&qh->hw,
+  arch_invalidate_dcache((uintptr_t)&qh->hw,
                          (uintptr_t)&qh->hw + sizeof(struct ehci_qh_s));
 
   /* Then invalidate all of the qTD entries in the queue */
@@ -1163,12 +1163,12 @@ static int sam_qtd_flush(struct sam_qtd_s *qtd, uint32_t **bp, void *arg)
    */
 
 #if 0 /* Didn't behave as expected */
-  cp15_flush_dcache((uintptr_t)&qtd->hw,
+  arch_flush_dcache((uintptr_t)&qtd->hw,
                     (uintptr_t)&qtd->hw + sizeof(struct ehci_qtd_s));
 #else
-  cp15_clean_dcache((uintptr_t)&qtd->hw,
+  arch_clean_dcache((uintptr_t)&qtd->hw,
                     (uintptr_t)&qtd->hw + sizeof(struct ehci_qtd_s));
-  cp15_invalidate_dcache((uintptr_t)&qtd->hw,
+  arch_invalidate_dcache((uintptr_t)&qtd->hw,
                          (uintptr_t)&qtd->hw + sizeof(struct ehci_qtd_s));
 #endif
 
@@ -1191,12 +1191,12 @@ static int sam_qh_flush(struct sam_qh_s *qh)
    */
 
 #if 0 /* Didn't behave as expected */
-  cp15_flush_dcache((uintptr_t)&qh->hw,
+  arch_flush_dcache((uintptr_t)&qh->hw,
                     (uintptr_t)&qh->hw + sizeof(struct ehci_qh_s));
 #else
-  cp15_clean_dcache((uintptr_t)&qh->hw,
+  arch_clean_dcache((uintptr_t)&qh->hw,
                      (uintptr_t)&qh->hw + sizeof(struct ehci_qh_s));
-  cp15_invalidate_dcache((uintptr_t)&qh->hw,
+  arch_invalidate_dcache((uintptr_t)&qh->hw,
                          (uintptr_t)&qh->hw + sizeof(struct ehci_qh_s));
 #endif
 
@@ -1407,7 +1407,7 @@ static void sam_qh_enqueue(struct sam_qh_s *qhead, struct sam_qh_s *qh)
 
   physaddr = (uintptr_t)sam_physramaddr((uintptr_t)qh);
   qhead->hw.hlp = sam_swap32(physaddr | QH_HLP_TYP_QH);
-  cp15_clean_dcache((uintptr_t)&qhead->hw,
+  arch_clean_dcache((uintptr_t)&qhead->hw,
                     (uintptr_t)&qhead->hw + sizeof(struct ehci_qh_s));
 }
 
@@ -1545,10 +1545,10 @@ static int sam_qtd_addbpl(struct sam_qtd_s *qtd, const void *buffer, size_t bufl
    */
 
 #if 0 /* Didn't behave as expected */
-  cp15_flush_dcache((uintptr_t)buffer, (uintptr_t)buffer + buflen);
+  arch_flush_dcache((uintptr_t)buffer, (uintptr_t)buffer + buflen);
 #else
-  cp15_clean_dcache((uintptr_t)buffer, (uintptr_t)buffer + buflen);
-  cp15_invalidate_dcache((uintptr_t)buffer, (uintptr_t)buffer + buflen);
+  arch_clean_dcache((uintptr_t)buffer, (uintptr_t)buffer + buflen);
+  arch_invalidate_dcache((uintptr_t)buffer, (uintptr_t)buffer + buflen);
 #endif
 
   /* Loop, adding the aligned physical addresses of the buffer to the buffer page
@@ -2096,7 +2096,7 @@ static ssize_t sam_async_transfer(struct sam_rhport_s *rhport,
        * invalid in this memory region.
        */
 
-      cp15_invalidate_dcache((uintptr_t)buffer, (uintptr_t)buffer + buflen);
+      arch_invalidate_dcache((uintptr_t)buffer, (uintptr_t)buffer + buflen);
     }
 #endif
 
@@ -2331,7 +2331,7 @@ static int sam_qtd_ioccheck(struct sam_qtd_s *qtd, uint32_t **bp, void *arg)
 
   /* Make sure we reload the QH from memory */
 
-  cp15_invalidate_dcache((uintptr_t)&qtd->hw,
+  arch_invalidate_dcache((uintptr_t)&qtd->hw,
                          (uintptr_t)&qtd->hw + sizeof(struct ehci_qtd_s));
   sam_qtd_print(qtd);
 
@@ -2382,7 +2382,7 @@ static int sam_qh_ioccheck(struct sam_qh_s *qh, uint32_t **bp, void *arg)
 
   /* Make sure we reload the QH from memory */
 
-  cp15_invalidate_dcache((uintptr_t)&qh->hw,
+  arch_invalidate_dcache((uintptr_t)&qh->hw,
                          (uintptr_t)&qh->hw + sizeof(struct ehci_qh_s));
   sam_qh_print(qh);
 
@@ -2436,7 +2436,7 @@ static int sam_qh_ioccheck(struct sam_qh_s *qh, uint32_t **bp, void *arg)
        */
 
       **bp = qh->hw.hlp;
-      cp15_clean_dcache((uintptr_t)*bp, (uintptr_t)*bp + sizeof(uint32_t));
+      arch_clean_dcache((uintptr_t)*bp, (uintptr_t)*bp + sizeof(uint32_t));
 
       /* Check for errors, update the data toggle */
 
@@ -2536,7 +2536,7 @@ static inline void sam_ioc_bottomhalf(void)
   /* Check the Asynchronous Queue */
   /* Make sure that the head of the asynchronous queue is invalidated */
 
-  cp15_invalidate_dcache((uintptr_t)&g_asynchead.hw,
+  arch_invalidate_dcache((uintptr_t)&g_asynchead.hw,
                          (uintptr_t)&g_asynchead.hw + sizeof(struct ehci_qh_s));
 
   /* Set the back pointer to the forward qTD pointer of the asynchronous
@@ -2562,7 +2562,7 @@ static inline void sam_ioc_bottomhalf(void)
   /* Check the Interrupt Queue */
   /* Make sure that the head of the interrupt queue is invalidated */
 
-  cp15_invalidate_dcache((uintptr_t)&g_intrhead.hw,
+  arch_invalidate_dcache((uintptr_t)&g_intrhead.hw,
                          (uintptr_t)&g_intrhead.hw + sizeof(struct ehci_qh_s));
 
   /* Set the back pointer to the forward qTD pointer of the asynchronous
@@ -4294,7 +4294,7 @@ FAR struct usbhost_connection_s *sam_ehci_initialize(int controller)
   g_asynchead.hw.overlay.token = sam_swap32(QH_TOKEN_HALTED);
   g_asynchead.fqp              = sam_swap32(QTD_NQP_T);
 
-  cp15_clean_dcache((uintptr_t)&g_asynchead.hw,
+  arch_clean_dcache((uintptr_t)&g_asynchead.hw,
                     (uintptr_t)&g_asynchead.hw + sizeof(struct ehci_qh_s));
 
   /* Set the Current Asynchronous List Address. */
@@ -4325,9 +4325,9 @@ FAR struct usbhost_connection_s *sam_ehci_initialize(int controller)
 
   /* Set the Periodic Frame List Base Address. */
 
-  cp15_clean_dcache((uintptr_t)&g_intrhead.hw,
+  arch_clean_dcache((uintptr_t)&g_intrhead.hw,
                     (uintptr_t)&g_intrhead.hw + sizeof(struct ehci_qh_s));
-  cp15_clean_dcache((uintptr_t)g_framelist,
+  arch_clean_dcache((uintptr_t)g_framelist,
                     (uintptr_t)g_framelist + FRAME_LIST_SIZE * sizeof(uint32_t));
 
   physaddr = sam_physramaddr((uintptr_t)g_framelist);
diff --git a/arch/arm/src/sama5/sam_emaca.c b/arch/arm/src/sama5/sam_emaca.c
index e4149c131f..9a9d46d84f 100644
--- a/arch/arm/src/sama5/sam_emaca.c
+++ b/arch/arm/src/sama5/sam_emaca.c
@@ -738,7 +738,7 @@ static int sam_transmit(struct sam_emac_s *priv)
 
       virtaddr = sam_virtramaddr(txdesc->addr);
       memcpy((void *)virtaddr, dev->d_buf, dev->d_len);
-      cp15_clean_dcache((uint32_t)virtaddr, (uint32_t)virtaddr + dev->d_len);
+      arch_clean_dcache((uint32_t)virtaddr, (uint32_t)virtaddr + dev->d_len);
     }
 
   /* Update TX descriptor status. */
@@ -752,7 +752,7 @@ static int sam_transmit(struct sam_emac_s *priv)
   /* Update the descriptor status and flush the updated value to RAM */
 
   txdesc->status = status;
-  cp15_clean_dcache((uint32_t)txdesc,
+  arch_clean_dcache((uint32_t)txdesc,
                     (uint32_t)txdesc + sizeof(struct emac_txdesc_s));
 
   /* Increment the head index */
@@ -939,7 +939,7 @@ static int sam_recvframe(struct sam_emac_s *priv)
 
   /* Invalidate the RX descriptor to force re-fetching from RAM */
 
-  cp15_invalidate_dcache((uintptr_t)rxdesc,
+  arch_invalidate_dcache((uintptr_t)rxdesc,
                          (uintptr_t)rxdesc + sizeof(struct emac_rxdesc_s));
 
   nllvdbg("rxndx: %d\n", rxndx);
@@ -963,7 +963,7 @@ static int sam_recvframe(struct sam_emac_s *priv)
 
               /* Flush the modified RX descriptor to RAM */
 
-              cp15_clean_dcache((uintptr_t)rxdesc,
+              arch_clean_dcache((uintptr_t)rxdesc,
                                 (uintptr_t)rxdesc +
                                 sizeof(struct emac_rxdesc_s));
 
@@ -1008,7 +1008,7 @@ static int sam_recvframe(struct sam_emac_s *priv)
 
                   /* Flush the modified RX descriptor to RAM */
 
-                  cp15_clean_dcache((uintptr_t)rxdesc,
+                  arch_clean_dcache((uintptr_t)rxdesc,
                                     (uintptr_t)rxdesc +
                                     sizeof(struct emac_rxdesc_s));
 
@@ -1038,7 +1038,7 @@ static int sam_recvframe(struct sam_emac_s *priv)
           physaddr = (uintptr_t)(rxdesc->addr & EMACRXD_ADDR_MASK);
           src = (const uint8_t *)sam_virtramaddr(physaddr);
 
-          cp15_invalidate_dcache((uintptr_t)src, (uintptr_t)src + copylen);
+          arch_invalidate_dcache((uintptr_t)src, (uintptr_t)src + copylen);
 
           /* And do the copy */
 
@@ -1068,7 +1068,7 @@ static int sam_recvframe(struct sam_emac_s *priv)
 
                   /* Flush the modified RX descriptor to RAM */
 
-                  cp15_clean_dcache((uintptr_t)rxdesc,
+                  arch_clean_dcache((uintptr_t)rxdesc,
                                     (uintptr_t)rxdesc +
                                     sizeof(struct emac_rxdesc_s));
 
@@ -1108,7 +1108,7 @@ static int sam_recvframe(struct sam_emac_s *priv)
 
           /* Flush the modified RX descriptor to RAM */
 
-          cp15_clean_dcache((uintptr_t)rxdesc,
+          arch_clean_dcache((uintptr_t)rxdesc,
                             (uintptr_t)rxdesc +
                             sizeof(struct emac_rxdesc_s));
 
@@ -1121,7 +1121,7 @@ static int sam_recvframe(struct sam_emac_s *priv)
 
     /* Invalidate the RX descriptor to force re-fetching from RAM */
 
-    cp15_invalidate_dcache((uintptr_t)rxdesc,
+    arch_invalidate_dcache((uintptr_t)rxdesc,
                            (uintptr_t)rxdesc + sizeof(struct emac_rxdesc_s));
   }
 
@@ -1252,7 +1252,7 @@ static void sam_txdone(struct sam_emac_s *priv)
       /* Yes.. check the next buffer at the tail of the list */
 
       txdesc = &priv->txdesc[priv->txtail];
-      cp15_invalidate_dcache((uintptr_t)txdesc,
+      arch_invalidate_dcache((uintptr_t)txdesc,
                              (uintptr_t)txdesc + sizeof(struct emac_txdesc_s));
 
       /* Is this TX descriptor still in use? */
@@ -1272,7 +1272,7 @@ static void sam_txdone(struct sam_emac_s *priv)
               sam_physramaddr((uintptr_t)txdesc) != sam_getreg(priv, SAM_EMAC_TBQP))
             {
               txdesc->status = (uint32_t)EMACTXD_STA_USED;
-              cp15_clean_dcache((uintptr_t)txdesc,
+              arch_clean_dcache((uintptr_t)txdesc,
                                 (uintptr_t)txdesc + sizeof(struct emac_txdesc_s));
             }
           else
@@ -2620,7 +2620,7 @@ static void sam_txreset(struct sam_emac_s *priv)
 
   /* Flush the entire TX descriptor table to RAM */
 
-  cp15_clean_dcache((uintptr_t)txdesc,
+  arch_clean_dcache((uintptr_t)txdesc,
                     (uintptr_t)txdesc +
                     CONFIG_SAMA5_EMAC_NTXBUFFERS * sizeof(struct emac_txdesc_s));
 
@@ -2684,7 +2684,7 @@ static void sam_rxreset(struct sam_emac_s *priv)
 
   /* Flush the entire RX descriptor table to RAM */
 
-  cp15_clean_dcache((uintptr_t)rxdesc,
+  arch_clean_dcache((uintptr_t)rxdesc,
                     (uintptr_t)rxdesc +
                     CONFIG_SAMA5_EMAC_NRXBUFFERS * sizeof(struct emac_rxdesc_s));
 
diff --git a/arch/arm/src/sama5/sam_emacb.c b/arch/arm/src/sama5/sam_emacb.c
index fb06788c5d..04808a2ff4 100644
--- a/arch/arm/src/sama5/sam_emacb.c
+++ b/arch/arm/src/sama5/sam_emacb.c
@@ -1060,7 +1060,7 @@ static int sam_transmit(struct sam_emac_s *priv)
 
       virtaddr = sam_virtramaddr(txdesc->addr);
       memcpy((void *)virtaddr, dev->d_buf, dev->d_len);
-      cp15_clean_dcache((uint32_t)virtaddr, (uint32_t)virtaddr + dev->d_len);
+      arch_clean_dcache((uint32_t)virtaddr, (uint32_t)virtaddr + dev->d_len);
     }
 
   /* Update TX descriptor status. */
@@ -1074,7 +1074,7 @@ static int sam_transmit(struct sam_emac_s *priv)
   /* Update the descriptor status and flush the updated value to RAM */
 
   txdesc->status = status;
-  cp15_clean_dcache((uint32_t)txdesc,
+  arch_clean_dcache((uint32_t)txdesc,
                     (uint32_t)txdesc + sizeof(struct emac_txdesc_s));
 
   /* Increment the head index */
@@ -1261,7 +1261,7 @@ static int sam_recvframe(struct sam_emac_s *priv)
 
   /* Invalidate the RX descriptor to force re-fetching from RAM */
 
-  cp15_invalidate_dcache((uintptr_t)rxdesc,
+  arch_invalidate_dcache((uintptr_t)rxdesc,
                          (uintptr_t)rxdesc + sizeof(struct emac_rxdesc_s));
   nllvdbg("rxndx: %d\n", rxndx);
 
@@ -1284,7 +1284,7 @@ static int sam_recvframe(struct sam_emac_s *priv)
 
               /* Flush the modified RX descriptor to RAM */
 
-              cp15_clean_dcache((uintptr_t)rxdesc,
+              arch_clean_dcache((uintptr_t)rxdesc,
                                 (uintptr_t)rxdesc +
                                 sizeof(struct emac_rxdesc_s));
 
@@ -1329,7 +1329,7 @@ static int sam_recvframe(struct sam_emac_s *priv)
 
                   /* Flush the modified RX descriptor to RAM */
 
-                  cp15_clean_dcache((uintptr_t)rxdesc,
+                  arch_clean_dcache((uintptr_t)rxdesc,
                                     (uintptr_t)rxdesc +
                                     sizeof(struct emac_rxdesc_s));
 
@@ -1359,7 +1359,7 @@ static int sam_recvframe(struct sam_emac_s *priv)
           physaddr = (uintptr_t)(rxdesc->addr & EMACRXD_ADDR_MASK);
           src = (const uint8_t *)sam_virtramaddr(physaddr);
 
-          cp15_invalidate_dcache((uintptr_t)src, (uintptr_t)src + copylen);
+          arch_invalidate_dcache((uintptr_t)src, (uintptr_t)src + copylen);
 
           /* And do the copy */
 
@@ -1389,7 +1389,7 @@ static int sam_recvframe(struct sam_emac_s *priv)
 
                   /* Flush the modified RX descriptor to RAM */
 
-                  cp15_clean_dcache((uintptr_t)rxdesc,
+                  arch_clean_dcache((uintptr_t)rxdesc,
                                     (uintptr_t)rxdesc +
                                     sizeof(struct emac_rxdesc_s));
 
@@ -1429,7 +1429,7 @@ static int sam_recvframe(struct sam_emac_s *priv)
 
           /* Flush the modified RX descriptor to RAM */
 
-          cp15_clean_dcache((uintptr_t)rxdesc,
+          arch_clean_dcache((uintptr_t)rxdesc,
                             (uintptr_t)rxdesc +
                             sizeof(struct emac_rxdesc_s));
 
@@ -1442,7 +1442,7 @@ static int sam_recvframe(struct sam_emac_s *priv)
 
     /* Invalidate the RX descriptor to force re-fetching from RAM */
 
-    cp15_invalidate_dcache((uintptr_t)rxdesc,
+    arch_invalidate_dcache((uintptr_t)rxdesc,
                            (uintptr_t)rxdesc + sizeof(struct emac_rxdesc_s));
   }
 
@@ -1576,7 +1576,7 @@ static void sam_txdone(struct sam_emac_s *priv)
       /* Yes.. check the next buffer at the tail of the list */
 
       txdesc = &priv->txdesc[priv->txtail];
-      cp15_invalidate_dcache((uintptr_t)txdesc,
+      arch_invalidate_dcache((uintptr_t)txdesc,
                              (uintptr_t)txdesc + sizeof(struct emac_txdesc_s));
 
       /* Is this TX descriptor still in use? */
@@ -1609,7 +1609,7 @@ static void sam_txdone(struct sam_emac_s *priv)
               sam_physramaddr((uintptr_t)txdesc) != sam_getreg(priv, SAM_EMAC_TBQB_OFFSET))
             {
               txdesc->status = (uint32_t)EMACTXD_STA_USED;
-              cp15_clean_dcache((uintptr_t)txdesc,
+              arch_clean_dcache((uintptr_t)txdesc,
                                 (uintptr_t)txdesc + sizeof(struct emac_txdesc_s));
             }
           else
@@ -1627,7 +1627,7 @@ static void sam_txdone(struct sam_emac_s *priv)
       /* Make sure that the USED bit is set */
 
       txdesc->status = (uint32_t)EMACTXD_STA_USED;
-      cp15_clean_dcache((uintptr_t)txdesc,
+      arch_clean_dcache((uintptr_t)txdesc,
                         (uintptr_t)txdesc + sizeof(struct emac_txdesc_s));
 #endif
 
@@ -3175,7 +3175,7 @@ static void sam_txreset(struct sam_emac_s *priv)
 
   /* Flush the entire TX descriptor table to RAM */
 
-  cp15_clean_dcache((uintptr_t)txdesc,
+  arch_clean_dcache((uintptr_t)txdesc,
                     (uintptr_t)txdesc +
                     priv->attr->ntxbuffers * sizeof(struct emac_txdesc_s));
 
@@ -3239,7 +3239,7 @@ static void sam_rxreset(struct sam_emac_s *priv)
 
   /* Flush the entire RX descriptor table to RAM */
 
-  cp15_clean_dcache((uintptr_t)rxdesc,
+  arch_clean_dcache((uintptr_t)rxdesc,
                     (uintptr_t)rxdesc +
                     priv->attr->nrxbuffers * sizeof(struct emac_rxdesc_s));
 
diff --git a/arch/arm/src/sama5/sam_gmac.c b/arch/arm/src/sama5/sam_gmac.c
index 8e2e4f8f1a..4444f69a51 100644
--- a/arch/arm/src/sama5/sam_gmac.c
+++ b/arch/arm/src/sama5/sam_gmac.c
@@ -670,7 +670,7 @@ static int sam_transmit(struct sam_gmac_s *priv)
 
       virtaddr = sam_virtramaddr(txdesc->addr);
       memcpy((void *)virtaddr, dev->d_buf, dev->d_len);
-      cp15_clean_dcache((uint32_t)virtaddr, (uint32_t)virtaddr + dev->d_len);
+      arch_clean_dcache((uint32_t)virtaddr, (uint32_t)virtaddr + dev->d_len);
     }
 
   /* Update TX descriptor status. */
@@ -684,7 +684,7 @@ static int sam_transmit(struct sam_gmac_s *priv)
   /* Update the descriptor status and flush the updated value to RAM */
 
   txdesc->status = status;
-  cp15_clean_dcache((uint32_t)txdesc,
+  arch_clean_dcache((uint32_t)txdesc,
                     (uint32_t)txdesc + sizeof(struct gmac_txdesc_s));
 
   /* Increment the head index */
@@ -871,7 +871,7 @@ static int sam_recvframe(struct sam_gmac_s *priv)
 
   /* Invalidate the RX descriptor to force re-fetching from RAM */
 
-  cp15_invalidate_dcache((uintptr_t)rxdesc,
+  arch_invalidate_dcache((uintptr_t)rxdesc,
                          (uintptr_t)rxdesc + sizeof(struct gmac_rxdesc_s));
 
   nllvdbg("rxndx: %d\n", rxndx);
@@ -895,7 +895,7 @@ static int sam_recvframe(struct sam_gmac_s *priv)
 
               /* Flush the modified RX descriptor to RAM */
 
-              cp15_clean_dcache((uintptr_t)rxdesc,
+              arch_clean_dcache((uintptr_t)rxdesc,
                                 (uintptr_t)rxdesc +
                                 sizeof(struct gmac_rxdesc_s));
 
@@ -940,7 +940,7 @@ static int sam_recvframe(struct sam_gmac_s *priv)
 
                   /* Flush the modified RX descriptor to RAM */
 
-                  cp15_clean_dcache((uintptr_t)rxdesc,
+                  arch_clean_dcache((uintptr_t)rxdesc,
                                     (uintptr_t)rxdesc +
                                     sizeof(struct gmac_rxdesc_s));
 
@@ -970,7 +970,7 @@ static int sam_recvframe(struct sam_gmac_s *priv)
           physaddr = (uintptr_t)(rxdesc->addr & GMACRXD_ADDR_MASK);
           src = (const uint8_t *)sam_virtramaddr(physaddr);
 
-          cp15_invalidate_dcache((uintptr_t)src, (uintptr_t)src + copylen);
+          arch_invalidate_dcache((uintptr_t)src, (uintptr_t)src + copylen);
 
           /* And do the copy */
 
@@ -1000,7 +1000,7 @@ static int sam_recvframe(struct sam_gmac_s *priv)
 
                   /* Flush the modified RX descriptor to RAM */
 
-                  cp15_clean_dcache((uintptr_t)rxdesc,
+                  arch_clean_dcache((uintptr_t)rxdesc,
                                     (uintptr_t)rxdesc +
                                     sizeof(struct gmac_rxdesc_s));
 
@@ -1038,7 +1038,7 @@ static int sam_recvframe(struct sam_gmac_s *priv)
 
           /* Flush the modified RX descriptor to RAM */
 
-          cp15_clean_dcache((uintptr_t)rxdesc,
+          arch_clean_dcache((uintptr_t)rxdesc,
                             (uintptr_t)rxdesc +
                             sizeof(struct gmac_rxdesc_s));
 
@@ -1051,7 +1051,7 @@ static int sam_recvframe(struct sam_gmac_s *priv)
 
     /* Invalidate the RX descriptor to force re-fetching from RAM */
 
-    cp15_invalidate_dcache((uintptr_t)rxdesc,
+    arch_invalidate_dcache((uintptr_t)rxdesc,
                            (uintptr_t)rxdesc + sizeof(struct gmac_rxdesc_s));
   }
 
@@ -1182,7 +1182,7 @@ static void sam_txdone(struct sam_gmac_s *priv)
       /* Yes.. check the next buffer at the tail of the list */
 
       txdesc = &priv->txdesc[priv->txtail];
-      cp15_invalidate_dcache((uintptr_t)txdesc,
+      arch_invalidate_dcache((uintptr_t)txdesc,
                              (uintptr_t)txdesc + sizeof(struct gmac_txdesc_s));
 
       /* Is this TX descriptor still in use? */
@@ -1201,7 +1201,7 @@ static void sam_txdone(struct sam_gmac_s *priv)
               sam_physramaddr((uintptr_t)txdesc) != sam_getreg(priv, SAM_GMAC_TBQB))
             {
               txdesc->status = (uint32_t)GMACTXD_STA_USED;
-              cp15_clean_dcache((uintptr_t)txdesc,
+              arch_clean_dcache((uintptr_t)txdesc,
                                 (uintptr_t)txdesc + sizeof(struct gmac_txdesc_s));
             }
           else
@@ -2674,7 +2674,7 @@ static void sam_txreset(struct sam_gmac_s *priv)
 
   /* Flush the entire TX descriptor table to RAM */
 
-  cp15_clean_dcache((uintptr_t)txdesc,
+  arch_clean_dcache((uintptr_t)txdesc,
                     (uintptr_t)txdesc +
                     CONFIG_SAMA5_GMAC_NTXBUFFERS * sizeof(struct gmac_txdesc_s));
 
@@ -2738,7 +2738,7 @@ static void sam_rxreset(struct sam_gmac_s *priv)
 
   /* Flush the entire RX descriptor table to RAM */
 
-  cp15_clean_dcache((uintptr_t)rxdesc,
+  arch_clean_dcache((uintptr_t)rxdesc,
                     (uintptr_t)rxdesc +
                     CONFIG_SAMA5_GMAC_NRXBUFFERS * sizeof(struct gmac_rxdesc_s));
 
diff --git a/arch/arm/src/sama5/sam_irq.c b/arch/arm/src/sama5/sam_irq.c
index dc7dfce563..f81617e8c8 100644
--- a/arch/arm/src/sama5/sam_irq.c
+++ b/arch/arm/src/sama5/sam_irq.c
@@ -531,8 +531,8 @@ void up_irqinitialize(void)
   /* Make sure that there is no trace of any previous mapping */
 
   vectorsize = sam_vectorsize();
-  cp15_invalidate_icache();
-  cp15_invalidate_dcache(0, vectorsize);
+  arch_invalidate_icache();
+  arch_invalidate_dcache(0, vectorsize);
   mmu_invalidate_region(0, vectorsize);
 
 #if 0 /* Disabled on reset */
diff --git a/arch/arm/src/sama5/sam_nand.c b/arch/arm/src/sama5/sam_nand.c
index 2f53aa98aa..3cd533852c 100644
--- a/arch/arm/src/sama5/sam_nand.c
+++ b/arch/arm/src/sama5/sam_nand.c
@@ -1305,7 +1305,7 @@ static int nand_dma_read(struct sam_nandcs_s *priv,
    * that memory will be re-cached after the DMA completes).
    */
 
-  cp15_invalidate_dcache(vdest, vdest + nbytes);
+  arch_invalidate_dcache(vdest, vdest + nbytes);
 
   /* DMA will need physical addresses. */
 
@@ -1390,7 +1390,7 @@ static int nand_dma_write(struct sam_nandcs_s *priv,
    * the data to be transferred lies in physical memory
    */
 
-  cp15_clean_dcache(vsrc, vsrc + nbytes);
+  arch_clean_dcache(vsrc, vsrc + nbytes);
 
   /* DMA will need physical addresses. */
 
diff --git a/arch/arm/src/sama5/sam_ohci.c b/arch/arm/src/sama5/sam_ohci.c
index 74eba1df47..4f5b47f36b 100644
--- a/arch/arm/src/sama5/sam_ohci.c
+++ b/arch/arm/src/sama5/sam_ohci.c
@@ -792,7 +792,7 @@ static inline int sam_addbulked(struct sam_ed_s *ed)
   /* Add the new bulk ED to the head of the bulk list */
 
   ed->hw.nexted = sam_getreg(SAM_USBHOST_BULKHEADED);
-  cp15_clean_dcache((uintptr_t)ed, (uintptr_t)ed + sizeof(struct ohci_ed_s));
+  arch_clean_dcache((uintptr_t)ed, (uintptr_t)ed + sizeof(struct ohci_ed_s));
 
   physed = sam_physramaddr((uintptr_t)ed);
   sam_putreg((uint32_t)physed, SAM_USBHOST_BULKHEADED);
@@ -866,7 +866,7 @@ static inline int sam_rembulked(struct sam_ed_s *ed)
            */
 
           prev->hw.nexted = ed->hw.nexted;
-          cp15_clean_dcache((uintptr_t)prev,
+          arch_clean_dcache((uintptr_t)prev,
                             (uintptr_t)prev + sizeof(struct sam_ed_s));
         }
     }
@@ -955,7 +955,7 @@ static void sam_setinttab(uint32_t value, unsigned int interval, unsigned int of
   /* Make sure that the modified table value is flushed to RAM */
 
   inttbl = (uintptr_t)g_hcca.inttbl;
-  cp15_clean_dcache(inttbl, inttbl + sizeof(uint32_t)*HCCA_INTTBL_WSIZE);
+  arch_clean_dcache(inttbl, inttbl + sizeof(uint32_t)*HCCA_INTTBL_WSIZE);
 }
 #endif
 
@@ -1058,7 +1058,7 @@ static inline int sam_addinted(const FAR struct usbhost_epdesc_s *epdesc,
    */
 
   ed->hw.nexted = physhead;
-  cp15_clean_dcache((uintptr_t)ed, (uintptr_t)ed + sizeof(struct ohci_ed_s));
+  arch_clean_dcache((uintptr_t)ed, (uintptr_t)ed + sizeof(struct ohci_ed_s));
 
   physed =  sam_physramaddr((uintptr_t)ed);
   sam_setinttab((uint32_t)physed, interval, offset);
@@ -1295,7 +1295,7 @@ static int sam_enqueuetd(struct sam_rhport_s *rhport, struct sam_ed_s *ed,
       /* Skip processing of this ED while we modify the TD list. */
 
       ed->hw.ctrl      |= ED_CONTROL_K;
-      cp15_clean_dcache((uintptr_t)ed,
+      arch_clean_dcache((uintptr_t)ed,
                         (uintptr_t)ed + sizeof(struct ohci_ed_s));
 
       /* Get the tail ED for this root hub port */
@@ -1335,19 +1335,19 @@ static int sam_enqueuetd(struct sam_rhport_s *rhport, struct sam_ed_s *ed,
 
       if (buffer && buflen > 0)
         {
-          cp15_clean_dcache((uintptr_t)buffer,
+          arch_clean_dcache((uintptr_t)buffer,
                             (uintptr_t)buffer + buflen);
         }
 
-      cp15_clean_dcache((uintptr_t)tdtail,
+      arch_clean_dcache((uintptr_t)tdtail,
                         (uintptr_t)tdtail + sizeof(struct ohci_gtd_s));
-      cp15_clean_dcache((uintptr_t)td,
+      arch_clean_dcache((uintptr_t)td,
                         (uintptr_t)td + sizeof(struct ohci_gtd_s));
 
       /* Resume processing of this ED */
 
       ed->hw.ctrl      &= ~ED_CONTROL_K;
-      cp15_clean_dcache((uintptr_t)ed,
+      arch_clean_dcache((uintptr_t)ed,
                         (uintptr_t)ed + sizeof(struct ohci_ed_s));
       ret               = OK;
     }
@@ -1445,9 +1445,9 @@ static int sam_ep0enqueue(struct sam_rhport_s *rhport)
 
   /* Flush the affected control ED and tail TD to RAM */
 
-  cp15_clean_dcache((uintptr_t)edctrl,
+  arch_clean_dcache((uintptr_t)edctrl,
                     (uintptr_t)edctrl + sizeof(struct ohci_ed_s));
-  cp15_clean_dcache((uintptr_t)tdtail,
+  arch_clean_dcache((uintptr_t)tdtail,
                     (uintptr_t)tdtail + sizeof(struct ohci_gtd_s));
 
   /* ControlListEnable.  This bit is set to (re-)enable the processing of the
@@ -1528,7 +1528,7 @@ static void sam_ep0dequeue(struct sam_rhport_s *rhport)
 
       /* Flush the modified ED to RAM */
 
-      cp15_clean_dcache((uintptr_t)preved,
+      arch_clean_dcache((uintptr_t)preved,
                         (uintptr_t)preved + sizeof(struct ohci_ed_s));
     }
   else
@@ -1885,10 +1885,10 @@ static void sam_wdh_bottomhalf(void)
   /* Invalidate D-cache to force re-reading of the Done Head */
 
 #if 0 /* Apparently insufficient */
-  cp15_invalidate_dcache((uintptr_t)&g_hcca.donehead,
+  arch_invalidate_dcache((uintptr_t)&g_hcca.donehead,
                          (uintptr_t)&g_hcca.donehead + sizeof(uint32_t));
 #else
-  cp15_invalidate_dcache((uintptr_t)&g_hcca,
+  arch_invalidate_dcache((uintptr_t)&g_hcca,
                          (uintptr_t)&g_hcca + sizeof(struct ohci_hcca_s));
 #endif
 
@@ -1906,7 +1906,7 @@ static void sam_wdh_bottomhalf(void)
        * reloaded from memory.
        */
 
-      cp15_invalidate_dcache((uintptr_t)td,
+      arch_invalidate_dcache((uintptr_t)td,
                              (uintptr_t)td + sizeof( struct ohci_gtd_s));
 
       /* Get the ED in which this TD was enqueued */
@@ -1923,7 +1923,7 @@ static void sam_wdh_bottomhalf(void)
        * memory.
        */
 
-      cp15_invalidate_dcache((uintptr_t)ed,
+      arch_invalidate_dcache((uintptr_t)ed,
                              (uintptr_t)ed + sizeof( struct ohci_ed_s));
 
       /* Save the condition code from the (single) TD status/control
@@ -2279,7 +2279,7 @@ static int sam_ep0configure(FAR struct usbhost_driver_s *drvr, uint8_t funcaddr,
 
   /* Flush the modified control ED to RAM */
 
-  cp15_clean_dcache((uintptr_t)edctrl,
+  arch_clean_dcache((uintptr_t)edctrl,
                     (uintptr_t)edctrl + sizeof(struct ohci_ed_s));
   sam_givesem(&g_ohci.exclsem);
 
@@ -2451,9 +2451,9 @@ static int sam_epalloc(FAR struct usbhost_driver_s *drvr,
 
   /* Make sure these settings are flushed to RAM */
 
-  cp15_clean_dcache((uintptr_t)ed,
+  arch_clean_dcache((uintptr_t)ed,
                     (uintptr_t)ed + sizeof(struct ohci_ed_s));
-  cp15_clean_dcache((uintptr_t)td,
+  arch_clean_dcache((uintptr_t)td,
                     (uintptr_t)td + sizeof(struct ohci_gtd_s));
 
   /* Now add the endpoint descriptor to the appropriate list */
@@ -2819,7 +2819,7 @@ static int sam_ctrlin(FAR struct usbhost_driver_s *drvr,
    */
 
   sam_givesem(&g_ohci.exclsem);
-  cp15_invalidate_dcache((uintptr_t)buffer, (uintptr_t)buffer + len);
+  arch_invalidate_dcache((uintptr_t)buffer, (uintptr_t)buffer + len);
   return ret;
 }
 
@@ -3007,7 +3007,7 @@ static int sam_transfer(FAR struct usbhost_driver_s *drvr, usbhost_ep_t ep,
 
       /* Invalidate the D cache to force the ED to be reloaded from RAM */
 
-      cp15_invalidate_dcache((uintptr_t)ed,
+      arch_invalidate_dcache((uintptr_t)ed,
                              (uintptr_t)ed + sizeof(struct ohci_ed_s));
 
       /* Check the TD completion status bits */
@@ -3020,7 +3020,7 @@ static int sam_transfer(FAR struct usbhost_driver_s *drvr, usbhost_ep_t ep,
 
           if (in)
             {
-              cp15_invalidate_dcache((uintptr_t)buffer,
+              arch_invalidate_dcache((uintptr_t)buffer,
                                      (uintptr_t)buffer + buflen);
             }
 
@@ -3196,7 +3196,7 @@ FAR struct usbhost_connection_s *sam_ohci_initialize(int controller)
 
   memset((void*)&g_hcca, 0, sizeof(struct ohci_hcca_s));
 
-  cp15_clean_dcache((uint32_t)&g_hcca,
+  arch_clean_dcache((uint32_t)&g_hcca,
                     (uint32_t)&g_hcca + sizeof(struct ohci_hcca_s));
 
   /* Initialize user-configurable EDs */
diff --git a/arch/arm/src/sama5/sam_ssc.c b/arch/arm/src/sama5/sam_ssc.c
index 56c16064b7..ca7917438d 100644
--- a/arch/arm/src/sama5/sam_ssc.c
+++ b/arch/arm/src/sama5/sam_ssc.c
@@ -1214,7 +1214,7 @@ static int ssc_rxdma_setup(struct sam_ssc_s *priv)
        * DMA buffer after starting the DMA transfer.
        */
 
-      cp15_invalidate_dcache((uintptr_t)apb->samp,
+      arch_invalidate_dcache((uintptr_t)apb->samp,
                              (uintptr_t)apb->samp + apb->nmaxbytes);
 
     }
@@ -1623,7 +1623,7 @@ static int ssc_txdma_setup(struct sam_ssc_s *priv)
        * before starting the DMA.
        */
 
-      cp15_clean_dcache((uintptr_t)apb->samp,
+      arch_clean_dcache((uintptr_t)apb->samp,
                         (uintptr_t)apb->samp + apb->nbytes);
 
     }
diff --git a/arch/arm/src/sama5/sam_udphs.c b/arch/arm/src/sama5/sam_udphs.c
index ffef30b484..ca16b9e8ad 100644
--- a/arch/arm/src/sama5/sam_udphs.c
+++ b/arch/arm/src/sama5/sam_udphs.c
@@ -908,7 +908,7 @@ static void sam_dma_single(uint8_t epno, struct sam_req_s *privreq,
   /* Flush the contents of the DMA buffer to RAM */
 
   buffer = (uintptr_t)&privreq->req.buf[privreq->req.xfrd];
-  cp15_clean_dcache(buffer, buffer + privreq->inflight);
+  arch_clean_dcache(buffer, buffer + privreq->inflight);
 
   /* Set up the DMA */
 
@@ -2412,7 +2412,7 @@ static void sam_dma_interrupt(struct sam_usbdev_s *priv, int epno)
 
           DEBUGASSERT(USB_ISEPOUT(privep->ep.eplog));
           buf = &privreq->req.buf[privreq->req.xfrd];
-          cp15_invalidate_dcache((uintptr_t)buf, (uintptr_t)buf + xfrsize);
+          arch_invalidate_dcache((uintptr_t)buf, (uintptr_t)buf + xfrsize);
 
           /* Complete this transfer, return the request to the class
            * implementation, and try to start the next, queue read request.
@@ -2468,7 +2468,7 @@ static void sam_dma_interrupt(struct sam_usbdev_s *priv, int epno)
        */
 
       buf = &privreq->req.buf[privreq->req.xfrd];
-      cp15_invalidate_dcache((uintptr_t)buf, (uintptr_t)buf + xfrsize);
+      arch_invalidate_dcache((uintptr_t)buf, (uintptr_t)buf + xfrsize);
 
       /* Complete this transfer, return the request to the class
        * implementation, and try to start the next, queue read request.
diff --git a/arch/arm/src/sama5/sam_xdmac.c b/arch/arm/src/sama5/sam_xdmac.c
index c59e7bdb9f..6e4ca9ed4d 100644
--- a/arch/arm/src/sama5/sam_xdmac.c
+++ b/arch/arm/src/sama5/sam_xdmac.c
@@ -1400,7 +1400,7 @@ sam_allocdesc(struct sam_xdmach_s *xdmach, struct chnext_view1_s *prev,
                * that hardware will be accessing the descriptor via DMA.
                */
 
-              cp15_clean_dcache((uintptr_t)descr,
+              arch_clean_dcache((uintptr_t)descr,
                                 (uintptr_t)descr + sizeof(struct chnext_view1_s));
               break;
             }
@@ -1804,7 +1804,7 @@ static void sam_dmaterminate(struct sam_xdmach_s *xdmach, int result)
 
   if (xdmach->rx)
     {
-      cp15_invalidate_dcache(xdmach->rxaddr, xdmach->rxaddr + xdmach->rxsize);
+      arch_invalidate_dcache(xdmach->rxaddr, xdmach->rxaddr + xdmach->rxsize);
     }
 
   /* Perform the DMA complete callback */
@@ -2243,7 +2243,7 @@ int sam_dmatxsetup(DMA_HANDLE handle, uint32_t paddr, uint32_t maddr,
 
   /* Clean caches associated with the DMA memory */
 
-  cp15_clean_dcache(maddr, maddr + nbytes);
+  arch_clean_dcache(maddr, maddr + nbytes);
   return ret;
 }
 
@@ -2324,7 +2324,7 @@ int sam_dmarxsetup(DMA_HANDLE handle, uint32_t paddr, uint32_t maddr,
 
   /* Clean caches associated with the DMA memory */
 
-  cp15_clean_dcache(maddr, maddr + nbytes);
+  arch_clean_dcache(maddr, maddr + nbytes);
   return ret;
 }