+static inline void davinci_flush_rx_descs(void)
+{
+ /* flush the whole RX descs area */
+ flush_dcache_range(EMAC_WRAPPER_RAM_ADDR + EMAC_RX_DESC_BASE,
+ EMAC_WRAPPER_RAM_ADDR + EMAC_TX_DESC_BASE);
+}
+
+static inline void davinci_invalidate_rx_descs(void)
+{
+ /* invalidate the whole RX descs area */
+ invalidate_dcache_range(EMAC_WRAPPER_RAM_ADDR + EMAC_RX_DESC_BASE,
+ EMAC_WRAPPER_RAM_ADDR + EMAC_TX_DESC_BASE);
+}
+
+static inline void davinci_flush_desc(emac_desc *desc)
+{
+ flush_dcache_range((unsigned long)desc,
+ (unsigned long)desc + sizeof(*desc));
+}
+
+static int davinci_eth_set_mac_addr(struct eth_device *dev)
+{
+ unsigned long mac_hi;
+ unsigned long mac_lo;
+
+ /*
+ * Set MAC Addresses & Init multicast Hash to 0 (disable any multicast
+ * receive)
+ * Using channel 0 only - other channels are disabled
+ * */
+ writel(0, &adap_emac->MACINDEX);
+ mac_hi = (dev->enetaddr[3] << 24) |
+ (dev->enetaddr[2] << 16) |
+ (dev->enetaddr[1] << 8) |
+ (dev->enetaddr[0]);
+ mac_lo = (dev->enetaddr[5] << 8) |
+ (dev->enetaddr[4]);
+
+ writel(mac_hi, &adap_emac->MACADDRHI);
+#if defined(DAVINCI_EMAC_VERSION2)
+ writel(mac_lo | EMAC_MAC_ADDR_IS_VALID | EMAC_MAC_ADDR_MATCH,
+ &adap_emac->MACADDRLO);
+#else
+ writel(mac_lo, &adap_emac->MACADDRLO);
+#endif
+
+ writel(0, &adap_emac->MACHASH1);
+ writel(0, &adap_emac->MACHASH2);
+
+ /* Set source MAC address - REQUIRED */
+ writel(mac_hi, &adap_emac->MACSRCADDRHI);
+ writel(mac_lo, &adap_emac->MACSRCADDRLO);
+
+
+ return 0;
+}