-typedef struct {
- unsigned int baseaddress; /* Base address for device (IPIF) */
- unsigned int nexttxbuffertouse; /* Next TX buffer to write to */
- unsigned int nextrxbuffertouse; /* Next RX buffer to read from */
- unsigned char deviceid; /* Unique ID of device - for future */
-} xemaclite;
-
-static xemaclite emaclite;
-
-static u32 etherrxbuff[PKTSIZE_ALIGN/4]; /* Receive buffer */
-
-/* hardcoded MAC address for the Xilinx EMAC Core when env is nowhere*/
-#ifdef CONFIG_ENV_IS_NOWHERE
-static u8 emacaddr[ENET_ADDR_LENGTH] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 };
-#else
-static u8 emacaddr[ENET_ADDR_LENGTH];
-#endif
-
-void xemaclite_alignedread (u32 * srcptr, void *destptr, unsigned bytecount)
+/* MDIO Address Register Bit Masks */
+#define XEL_MDIOADDR_REGADR_MASK 0x0000001F /* Register Address */
+#define XEL_MDIOADDR_PHYADR_MASK 0x000003E0 /* PHY Address */
+#define XEL_MDIOADDR_PHYADR_SHIFT 5
+#define XEL_MDIOADDR_OP_MASK 0x00000400 /* RD/WR Operation */
+
+/* MDIO Write Data Register Bit Masks */
+#define XEL_MDIOWR_WRDATA_MASK 0x0000FFFF /* Data to be Written */
+
+/* MDIO Read Data Register Bit Masks */
+#define XEL_MDIORD_RDDATA_MASK 0x0000FFFF /* Data to be Read */
+
+/* MDIO Control Register Bit Masks */
+#define XEL_MDIOCTRL_MDIOSTS_MASK 0x00000001 /* MDIO Status Mask */
+#define XEL_MDIOCTRL_MDIOEN_MASK 0x00000008 /* MDIO Enable */
+
+struct emaclite_regs {
+ u32 tx_ping; /* 0x0 - TX Ping buffer */
+ u32 reserved1[504];
+ u32 mdioaddr; /* 0x7e4 - MDIO Address Register */
+ u32 mdiowr; /* 0x7e8 - MDIO Write Data Register */
+ u32 mdiord;/* 0x7ec - MDIO Read Data Register */
+ u32 mdioctrl; /* 0x7f0 - MDIO Control Register */
+ u32 tx_ping_tplr; /* 0x7f4 - Tx packet length */
+ u32 global_interrupt; /* 0x7f8 - Global interrupt enable */
+ u32 tx_ping_tsr; /* 0x7fc - Tx status */
+ u32 tx_pong; /* 0x800 - TX Pong buffer */
+ u32 reserved2[508];
+ u32 tx_pong_tplr; /* 0xff4 - Tx packet length */
+ u32 reserved3; /* 0xff8 */
+ u32 tx_pong_tsr; /* 0xffc - Tx status */
+ u32 rx_ping; /* 0x1000 - Receive Buffer */
+ u32 reserved4[510];
+ u32 rx_ping_rsr; /* 0x17fc - Rx status */
+ u32 rx_pong; /* 0x1800 - Receive Buffer */
+ u32 reserved5[510];
+ u32 rx_pong_rsr; /* 0x1ffc - Rx status */
+};
+
+struct xemaclite {
+ bool use_rx_pong_buffer_next; /* Next RX buffer to read from */
+ u32 txpp; /* TX ping pong buffer */
+ u32 rxpp; /* RX ping pong buffer */
+ int phyaddr;
+ struct emaclite_regs *regs;
+ struct phy_device *phydev;
+ struct mii_dev *bus;
+};
+
+static uchar etherrxbuff[PKTSIZE_ALIGN]; /* Receive buffer */
+
+static void xemaclite_alignedread(u32 *srcptr, void *destptr, u32 bytecount)