mirror of https://gitee.com/openkylin/linux.git
111 lines
3.1 KiB
C
111 lines
3.1 KiB
C
/*
|
|
* Ethernet driver for the Atmel AT91RM9200 (Thunder)
|
|
*
|
|
* Copyright (C) SAN People (Pty) Ltd
|
|
*
|
|
* Based on an earlier Atmel EMAC macrocell driver by Atmel and Lineo Inc.
|
|
* Initial version by Rick Bronson.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*/
|
|
|
|
#ifndef AT91_ETHERNET
|
|
#define AT91_ETHERNET
|
|
|
|
|
|
/* Davicom 9161 PHY */
|
|
#define MII_DM9161_ID 0x0181b880
|
|
#define MII_DM9161A_ID 0x0181b8a0
|
|
#define MII_DSCR_REG 16
|
|
#define MII_DSCSR_REG 17
|
|
#define MII_DSINTR_REG 21
|
|
|
|
/* Intel LXT971A PHY */
|
|
#define MII_LXT971A_ID 0x001378E0
|
|
#define MII_ISINTE_REG 18
|
|
#define MII_ISINTS_REG 19
|
|
#define MII_LEDCTRL_REG 20
|
|
|
|
/* Realtek RTL8201 PHY */
|
|
#define MII_RTL8201_ID 0x00008200
|
|
|
|
/* Broadcom BCM5221 PHY */
|
|
#define MII_BCM5221_ID 0x004061e0
|
|
#define MII_BCMINTR_REG 26
|
|
|
|
/* National Semiconductor DP83847 */
|
|
#define MII_DP83847_ID 0x20005c30
|
|
|
|
/* National Semiconductor DP83848 */
|
|
#define MII_DP83848_ID 0x20005c90
|
|
#define MII_DPPHYSTS_REG 16
|
|
#define MII_DPMICR_REG 17
|
|
#define MII_DPMISR_REG 18
|
|
|
|
/* Altima AC101L PHY */
|
|
#define MII_AC101L_ID 0x00225520
|
|
|
|
/* Micrel KS8721 PHY */
|
|
#define MII_KS8721_ID 0x00221610
|
|
|
|
/* Teridian 78Q2123/78Q2133 */
|
|
#define MII_T78Q21x3_ID 0x000e7230
|
|
#define MII_T78Q21INT_REG 17
|
|
|
|
/* SMSC LAN83C185 */
|
|
#define MII_LAN83C185_ID 0x0007C0A0
|
|
|
|
/* ........................................................................ */
|
|
|
|
#define MAX_RBUFF_SZ 0x600 /* 1518 rounded up */
|
|
#define MAX_RX_DESCR 9 /* max number of receive buffers */
|
|
|
|
#define EMAC_DESC_DONE 0x00000001 /* bit for if DMA is done */
|
|
#define EMAC_DESC_WRAP 0x00000002 /* bit for wrap */
|
|
|
|
#define EMAC_BROADCAST 0x80000000 /* broadcast address */
|
|
#define EMAC_MULTICAST 0x40000000 /* multicast address */
|
|
#define EMAC_UNICAST 0x20000000 /* unicast address */
|
|
|
|
struct rbf_t
|
|
{
|
|
unsigned int addr;
|
|
unsigned long size;
|
|
};
|
|
|
|
struct recv_desc_bufs
|
|
{
|
|
struct rbf_t descriptors[MAX_RX_DESCR]; /* must be on sizeof (rbf_t) boundary */
|
|
char recv_buf[MAX_RX_DESCR][MAX_RBUFF_SZ]; /* must be on long boundary */
|
|
};
|
|
|
|
struct at91_private
|
|
{
|
|
struct net_device_stats stats;
|
|
struct mii_if_info mii; /* ethtool support */
|
|
struct at91_eth_data board_data; /* board-specific configuration */
|
|
struct clk *ether_clk; /* clock */
|
|
|
|
/* PHY */
|
|
unsigned long phy_type; /* type of PHY (PHY_ID) */
|
|
spinlock_t lock; /* lock for MDI interface */
|
|
short phy_media; /* media interface type */
|
|
unsigned short phy_address; /* 5-bit MDI address of PHY (0..31) */
|
|
struct timer_list check_timer; /* Poll link status */
|
|
|
|
/* Transmit */
|
|
struct sk_buff *skb; /* holds skb until xmit interrupt completes */
|
|
dma_addr_t skb_physaddr; /* phys addr from pci_map_single */
|
|
int skb_length; /* saved skb length for pci_unmap_single */
|
|
|
|
/* Receive */
|
|
int rxBuffIndex; /* index into receive descriptor list */
|
|
struct recv_desc_bufs *dlist; /* descriptor list address */
|
|
struct recv_desc_bufs *dlist_phys; /* descriptor list physical address */
|
|
};
|
|
|
|
#endif
|