LXR uboot/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 */
  83typedef 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 */
  94typedef struct _greth_bd {
  95        volatile unsigned int stat;
  96        unsigned int addr;      /* Buffer address not changed by HW */
  97} greth_bd;
  98