diff options
Diffstat (limited to 'drivers/net/ethernet/cadence/at91_ether.h')
| -rw-r--r-- | drivers/net/ethernet/cadence/at91_ether.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cadence/at91_ether.h b/drivers/net/ethernet/cadence/at91_ether.h new file mode 100644 index 00000000000..353f4dab62b --- /dev/null +++ b/drivers/net/ethernet/cadence/at91_ether.h @@ -0,0 +1,109 @@ +/* + * 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 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 |