cpu/ixp/npe/include/npe.h

   1 /*
   2  * (C) Copyright 2005
   3  * Stefan Roese, DENX Software Engineering, sr@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #ifndef NPE_H
  25 #define NPE_H
  26
  27 /*
  28  * defines...
  29  */
  30 #define CONFIG_SYS_NPE_NUMS             1
  31 #ifdef CONFIG_HAS_ETH1
  32 #undef CONFIG_SYS_NPE_NUMS
  33 #define CONFIG_SYS_NPE_NUMS             2
  34 #endif
  35
  36 #define NPE_NUM_PORTS           3
  37 #define ACTIVE_PORTS            1
  38
  39 #define NPE_PKT_SIZE            1600
  40
  41 #define CONFIG_DEVS_ETH_INTEL_NPE_MAX_RX_DESCRIPTORS    64
  42 #define CONFIG_DEVS_ETH_INTEL_NPE_MAX_TX_DESCRIPTORS    2
  43
  44 #define NPE_MBUF_POOL_SIZE                                      \
  45         ((CONFIG_DEVS_ETH_INTEL_NPE_MAX_TX_DESCRIPTORS +        \
  46           CONFIG_DEVS_ETH_INTEL_NPE_MAX_RX_DESCRIPTORS) *       \
  47          sizeof(IX_OSAL_MBUF) * ACTIVE_PORTS)
  48
  49 #define NPE_PKT_POOL_SIZE                                       \
  50         ((CONFIG_DEVS_ETH_INTEL_NPE_MAX_TX_DESCRIPTORS +        \
  51           CONFIG_DEVS_ETH_INTEL_NPE_MAX_RX_DESCRIPTORS) *       \
  52          NPE_PKT_SIZE * ACTIVE_PORTS)
  53
  54 #define NPE_MEM_POOL_SIZE (NPE_MBUF_POOL_SIZE + NPE_PKT_POOL_SIZE)
  55
  56 #define PHY_AUTONEGOTIATE_TIMEOUT 4000  /* 4000 ms autonegotiate timeout */
  57
  58 /*
  59  * structs...
  60  */
  61 struct npe {
  62         u8                      active;           /* NPE active                         */
  63         u8                      eth_id;           /* IX_ETH_PORT_1 or IX_ETH_PORT_2     */
  64         u8                      phy_no;           /* which PHY (0 - 31)                 */
  65         u8                      mac_address[6];
  66
  67         IX_OSAL_MBUF            *rxQHead;
  68         IX_OSAL_MBUF            *txQHead;
  69
  70         u8                      *tx_pkts;
  71         u8                      *rx_pkts;
  72         IX_OSAL_MBUF            *rx_mbufs;
  73         IX_OSAL_MBUF            *tx_mbufs;
  74
  75         int                     print_speed;
  76
  77         int                     rx_read;
  78         int                     rx_write;
  79         int                     rx_len[PKTBUFSRX];
  80 };
  81
  82 /*
  83  * prototypes...
  84  */
  85 extern int npe_miiphy_read (char *devname, unsigned char addr,
  86                             unsigned char reg, unsigned short *value);
  87 extern int npe_miiphy_write (char *devname, unsigned char addr,
  88                              unsigned char reg, unsigned short value);
  89
  90 #endif /* ifndef NPE_H */