6 /* Register bits and masks */
7 #define GRETH_RESET 0x40
8 #define GRETH_MII_BUSY 0x8
9 #define GRETH_MII_NVALID 0x10
11 #define GRETH_CTRL_FD 0x10
12 #define GRETH_CTRL_PR 0x20
13 #define GRETH_CTRL_SP 0x80
14 #define GRETH_CTRL_GB 0x100
15 #define GRETH_CTRL_PSTATIEN 0x400
16 #define GRETH_CTRL_MCEN 0x800
17 #define GRETH_CTRL_DISDUPLEX 0x1000
18 #define GRETH_STATUS_PHYSTAT 0x100
20 #define GRETH_BD_EN 0x800
21 #define GRETH_BD_WR 0x1000
22 #define GRETH_BD_IE 0x2000
23 #define GRETH_BD_LEN 0x7FF
25 #define GRETH_TXEN 0x1
26 #define GRETH_INT_TX 0x8
28 #define GRETH_TXBD_STATUS 0x0001C000
29 #define GRETH_TXBD_MORE 0x20000
30 #define GRETH_TXBD_IPCS 0x40000
31 #define GRETH_TXBD_TCPCS 0x80000
32 #define GRETH_TXBD_UDPCS 0x100000
33 #define GRETH_TXBD_CSALL (GRETH_TXBD_IPCS | GRETH_TXBD_TCPCS | GRETH_TXBD_UDPCS)
34 #define GRETH_TXBD_ERR_LC 0x10000
35 #define GRETH_TXBD_ERR_UE 0x4000
36 #define GRETH_TXBD_ERR_AL 0x8000
38 #define GRETH_INT_RX 0x4
39 #define GRETH_RXEN 0x2
41 #define GRETH_RXBD_STATUS 0xFFFFC000
42 #define GRETH_RXBD_ERR_AE 0x4000
43 #define GRETH_RXBD_ERR_FT 0x8000
44 #define GRETH_RXBD_ERR_CRC 0x10000
45 #define GRETH_RXBD_ERR_OE 0x20000
46 #define GRETH_RXBD_ERR_LE 0x40000
47 #define GRETH_RXBD_IP 0x80000
48 #define GRETH_RXBD_IP_CSERR 0x100000
49 #define GRETH_RXBD_UDP 0x200000
50 #define GRETH_RXBD_UDP_CSERR 0x400000
51 #define GRETH_RXBD_TCP 0x800000
52 #define GRETH_RXBD_TCP_CSERR 0x1000000
53 #define GRETH_RXBD_IP_FRAG 0x2000000
54 #define GRETH_RXBD_MCAST 0x4000000
56 /* Descriptor parameters */
57 #define GRETH_TXBD_NUM 128
58 #define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1)
59 #define GRETH_TX_BUF_SIZE 2048
60 #define GRETH_RXBD_NUM 128
61 #define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1)
62 #define GRETH_RX_BUF_SIZE 2048
64 /* Buffers per page */
65 #define GRETH_RX_BUF_PPGAE (PAGE_SIZE/GRETH_RX_BUF_SIZE)
66 #define GRETH_TX_BUF_PPGAE (PAGE_SIZE/GRETH_TX_BUF_SIZE)
68 /* How many pages are needed for buffers */
69 #define GRETH_RX_BUF_PAGE_NUM (GRETH_RXBD_NUM/GRETH_RX_BUF_PPGAE)
70 #define GRETH_TX_BUF_PAGE_NUM (GRETH_TXBD_NUM/GRETH_TX_BUF_PPGAE)
73 * Gbit MAC uses tagged maximum frame size which is 1518 excluding CRC.
74 * Set to 1520 to make all buffers word aligned for non-gbit MAC.
76 #define MAX_FRAME_SIZE 1520
79 #define GRETH_FLAG_RX_CSUM 0x1
81 /* GRETH APB registers */
95 /* GRETH buffer descriptor */
101 struct greth_private {
102 struct sk_buff *rx_skbuff[GRETH_RXBD_NUM];
103 struct sk_buff *tx_skbuff[GRETH_TXBD_NUM];
105 unsigned char *tx_bufs[GRETH_TXBD_NUM];
106 unsigned char *rx_bufs[GRETH_RXBD_NUM];
113 struct greth_regs *regs; /* Address of controller registers. */
114 struct greth_bd *rx_bd_base; /* Address of Rx BDs. */
115 struct greth_bd *tx_bd_base; /* Address of Tx BDs. */
116 dma_addr_t rx_bd_base_phys;
117 dma_addr_t tx_bd_base_phys;
121 struct device *dev; /* Pointer to of_device->dev */
122 struct net_device *netdev;
123 struct napi_struct napi;
126 struct phy_device *phy;
127 struct mii_bus *mdio;
128 int mdio_irqs[PHY_MAX_ADDR];