/* * * Alchemy Au1x00 ethernet driver include file * * Author: Pete Popov * * Copyright 2001 MontaVista Software Inc. * * ######################################################################## * * This program is free software; you can distribute it and/or modify it * under the terms of the GNU General Public License (Version 2) as * published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. * * ######################################################################## * * */ #define MAC_IOSIZE 0x10000 #define NUM_RX_DMA 4 /* Au1x00 has 4 rx hardware descriptors */ #define NUM_TX_DMA 4 /* Au1x00 has 4 tx hardware descriptors */ #define NUM_RX_BUFFS 4 #define NUM_TX_BUFFS 4 #define MAX_BUF_SIZE 2048 #define ETH_TX_TIMEOUT HZ/4 #define MAC_MIN_PKT_SIZE 64 #define MULTICAST_FILTER_LIMIT 64 /* FIXME * The PHY defines should be in a separate file. */ /* MII register offsets */ #define MII_CONTROL 0x0000 #define MII_STATUS 0x0001 #define MII_PHY_ID0 0x0002 #define MII_PHY_ID1 0x0003 #define MII_ANADV 0x0004 #define MII_ANLPAR 0x0005 #define MII_AEXP 0x0006 #define MII_ANEXT 0x0007 #define MII_LSI_PHY_CONFIG 0x0011 /* Status register */ #define MII_LSI_PHY_STAT 0x0012 #define MII_AMD_PHY_STAT MII_LSI_PHY_STAT #define MII_INTEL_PHY_STAT 0x0011 #define MII_AUX_CNTRL 0x0018 /* mii registers specific to AMD 79C901 */ #define MII_STATUS_SUMMARY = 0x0018 /* MII Control register bit definitions. */ #define MII_CNTL_FDX 0x0100 #define MII_CNTL_RST_AUTO 0x0200 #define MII_CNTL_ISOLATE 0x0400 #define MII_CNTL_PWRDWN 0x0800 #define MII_CNTL_AUTO 0x1000 #define MII_CNTL_F100 0x2000 #define MII_CNTL_LPBK 0x4000 #define MII_CNTL_RESET 0x8000 /* MII Status register bit */ #define MII_STAT_EXT 0x0001 #define MII_STAT_JAB 0x0002 #define MII_STAT_LINK 0x0004 #define MII_STAT_CAN_AUTO 0x0008 #define MII_STAT_FAULT 0x0010 #define MII_STAT_AUTO_DONE 0x0020 #define MII_STAT_CAN_T 0x0800 #define MII_STAT_CAN_T_FDX 0x1000 #define MII_STAT_CAN_TX 0x2000 #define MII_STAT_CAN_TX_FDX 0x4000 #define MII_STAT_CAN_T4 0x8000 #define MII_ID1_OUI_LO 0xFC00 /* low bits of OUI mask */ #define MII_ID1_MODEL 0x03F0 /* model number */ #define MII_ID1_REV 0x000F /* model number */ /* MII NWAY Register Bits ... valid for the ANAR (Auto-Negotiation Advertisement) and ANLPAR (Auto-Negotiation Link Partner) registers */ #define MII_NWAY_NODE_SEL 0x001f #define MII_NWAY_CSMA_CD 0x0001 #define MII_NWAY_T 0x0020 #define MII_NWAY_T_FDX 0x0040 #define MII_NWAY_TX 0x0080 #define MII_NWAY_TX_FDX 0x0100 #define MII_NWAY_T4 0x0200 #define MII_NWAY_PAUSE 0x0400 #define MII_NWAY_RF 0x2000 /* Remote Fault */ #define MII_NWAY_ACK 0x4000 /* Remote Acknowledge */ #define MII_NWAY_NP 0x8000 /* Next Page (Enable) */ /* mii stsout register bits */ #define MII_STSOUT_LINK_FAIL 0x4000 #define MII_STSOUT_SPD 0x0080 #define MII_STSOUT_DPLX 0x0040 /* mii stsics register bits */ #define MII_STSICS_SPD 0x8000 #define MII_STSICS_DPLX 0x4000 #define MII_STSICS_LINKSTS 0x0001 /* mii stssum register bits */ #define MII_STSSUM_LINK 0x0008 #define MII_STSSUM_DPLX 0x0004 #define MII_STSSUM_AUTO 0x0002 #define MII_STSSUM_SPD 0x0001 /* lsi phy status register */ #define MII_LSI_PHY_STAT_FDX 0x0040 #define MII_LSI_PHY_STAT_SPD 0x0080 /* amd phy status register */ #define MII_AMD_PHY_STAT_FDX 0x0800 #define MII_AMD_PHY_STAT_SPD 0x0400 /* intel phy status register */ #define MII_INTEL_PHY_STAT_FDX 0x0200 #define MII_INTEL_PHY_STAT_SPD 0x4000 /* Auxilliary Control/Status Register */ #define MII_AUX_FDX 0x0001 #define MII_AUX_100 0x0002 #define MII_AUX_F100 0x0004 #define MII_AUX_ANEG 0x0008 typedef struct mii_phy { struct mii_phy * next; struct mii_chip_info * chip_info; u16 status; u32 *mii_control_reg; u32 *mii_data_reg; } mii_phy_t; struct phy_ops { int (*phy_init) (struct net_device *, int); int (*phy_reset) (struct net_device *, int); int (*phy_status) (struct net_device *, int, u16 *, u16 *); }; /* * Data Buffer Descriptor. Data buffers must be aligned on 32 byte * boundary for both, receive and transmit. */ typedef struct db_dest { struct db_dest *pnext; volatile u32 *vaddr; dma_addr_t dma_addr; } db_dest_t; /* * The transmit and receive descriptors are memory * mapped registers. */ typedef struct tx_dma { u32 status; u32 buff_stat; u32 len; u32 pad; } tx_dma_t; typedef struct rx_dma { u32 status; u32 buff_stat; u32 pad[2]; } rx_dma_t; /* * MAC control registers, memory mapped. */ typedef struct mac_reg { u32 control; u32 mac_addr_high; u32 mac_addr_low; u32 multi_hash_high; u32 multi_hash_low; u32 mii_control; u32 mii_data; u32 flow_control; u32 vlan1_tag; u32 vlan2_tag; } mac_reg_t; struct au1000_private { db_dest_t *pDBfree; db_dest_t db[NUM_RX_BUFFS+NUM_TX_BUFFS]; volatile rx_dma_t *rx_dma_ring[NUM_RX_DMA]; volatile tx_dma_t *tx_dma_ring[NUM_TX_DMA]; db_dest_t *rx_db_inuse[NUM_RX_DMA]; db_dest_t *tx_db_inuse[NUM_TX_DMA]; u32 rx_head; u32 tx_head; u32 tx_tail; u32 tx_full; int mac_id; mii_phy_t *mii; struct phy_ops *phy_ops; /* These variables are just for quick access to certain regs addresses. */ volatile mac_reg_t *mac; /* mac registers */ volatile u32 *enable; /* address of MAC Enable Register */ u32 vaddr; /* virtual address of rx/tx buffers */ dma_addr_t dma_addr; /* dma address of rx/tx buffers */ u8 *hash_table; u32 hash_mode; u32 intr_work_done; /* number of Rx and Tx pkts processed in the isr */ int phy_addr; /* phy address */ u32 options; /* User-settable misc. driver options. */ u32 drv_flags; int want_autoneg; struct net_device_stats stats; struct timer_list timer; spinlock_t lock; /* Serialise access to device */ };