drivers/net/greth.h

   1 /* Gaisler.com GRETH 10/100/1000 Ethernet MAC driver
   2  *
   3  * (C) Copyright 2007
   4  * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  */
  24
  25 #define GRETH_FD 0x10
  26 #define GRETH_RESET 0x40
  27 #define GRETH_MII_BUSY 0x8
  28 #define GRETH_MII_NVALID 0x10
  29
  30 /* MII registers */
  31 #define GRETH_MII_EXTADV_1000FD 0x00000200
  32 #define GRETH_MII_EXTADV_1000HD 0x00000100
  33 #define GRETH_MII_EXTPRT_1000FD 0x00000800
  34 #define GRETH_MII_EXTPRT_1000HD 0x00000400
  35
  36 #define GRETH_MII_100T4 0x00000200
  37 #define GRETH_MII_100TXFD 0x00000100
  38 #define GRETH_MII_100TXHD 0x00000080
  39 #define GRETH_MII_10FD 0x00000040
  40 #define GRETH_MII_10HD 0x00000020
  41
  42 #define GRETH_BD_EN 0x800
  43 #define GRETH_BD_WR 0x1000
  44 #define GRETH_BD_IE 0x2000
  45 #define GRETH_BD_LEN 0x7FF
  46
  47 #define GRETH_TXEN 0x1
  48 #define GRETH_INT_TX 0x8
  49 #define GRETH_TXI 0x4
  50 #define GRETH_TXBD_STATUS 0x0001C000
  51 #define GRETH_TXBD_MORE 0x20000
  52 #define GRETH_TXBD_IPCS 0x40000
  53 #define GRETH_TXBD_TCPCS 0x80000
  54 #define GRETH_TXBD_UDPCS 0x100000
  55 #define GRETH_TXBD_ERR_LC 0x10000
  56 #define GRETH_TXBD_ERR_UE 0x4000
  57 #define GRETH_TXBD_ERR_AL 0x8000
  58 #define GRETH_TXBD_NUM 128
  59 #define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1)
  60 #define GRETH_TX_BUF_SIZE 2048
  61
  62 #define GRETH_INT_RX         0x4
  63 #define GRETH_RXEN           0x2
  64 #define GRETH_RXI            0x8
  65 #define GRETH_RXBD_STATUS    0xFFFFC000
  66 #define GRETH_RXBD_ERR_AE    0x4000
  67 #define GRETH_RXBD_ERR_FT    0x8000
  68 #define GRETH_RXBD_ERR_CRC   0x10000
  69 #define GRETH_RXBD_ERR_OE    0x20000
  70 #define GRETH_RXBD_ERR_LE    0x40000
  71 #define GRETH_RXBD_IP_DEC    0x80000
  72 #define GRETH_RXBD_IP_CSERR  0x100000
  73 #define GRETH_RXBD_UDP_DEC   0x200000
  74 #define GRETH_RXBD_UDP_CSERR 0x400000
  75 #define GRETH_RXBD_TCP_DEC   0x800000
  76 #define GRETH_RXBD_TCP_CSERR 0x1000000
  77
  78 #define GRETH_RXBD_NUM 128
  79 #define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1)
  80 #define GRETH_RX_BUF_SIZE 2048
  81
  82 /* Ethernet configuration registers */
  83 typedef struct _greth_regs {
  84         volatile unsigned int control;
  85         volatile unsigned int status;
  86         volatile unsigned int esa_msb;
  87         volatile unsigned int esa_lsb;
  88         volatile unsigned int mdio;
  89         volatile unsigned int tx_desc_p;
  90         volatile unsigned int rx_desc_p;
  91 } greth_regs;
  92
  93 /* Ethernet buffer descriptor */
  94 typedef struct _greth_bd {
  95         volatile unsigned int stat;
  96         unsigned int addr;      /* Buffer address not changed by HW */
  97 } greth_bd;