projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| d4b7780e AV |
1 | /* |
| 2 | * Ethernet driver for the Atmel AT91RM9200 (Thunder) | |
| 3 | * | |
| 4 | * Copyright (C) SAN People (Pty) Ltd | |
| 5 | * | |
| 6 | * Based on an earlier Atmel EMAC macrocell driver by Atmel and Lineo Inc. | |
| 7 | * Initial version by Rick Bronson. | |
| 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 | |
| 11 | * as published by the Free Software Foundation; either version | |
| 12 | * 2 of the License, or (at your option) any later version. | |
| 13 | */ | |
| 14 | ||
| 15 | #ifndef AT91_ETHERNET | |
| 16 | #define AT91_ETHERNET | |
| 17 | ||
| 18 | ||
| 19 | /* Davicom 9161 PHY */ | |
| 6b4aea73 AV |
20 | #define MII_DM9161_ID 0x0181b880 |
| 21 | #define MII_DM9161A_ID 0x0181b8a0 | |
| 22 | #define MII_DSCR_REG 16 | |
| 23 | #define MII_DSCSR_REG 17 | |
| 24 | #define MII_DSINTR_REG 21 | |
| d4b7780e AV |
25 | |
| 26 | /* Intel LXT971A PHY */ | |
| 6b4aea73 AV |
27 | #define MII_LXT971A_ID 0x001378E0 |
| 28 | #define MII_ISINTE_REG 18 | |
| 29 | #define MII_ISINTS_REG 19 | |
| 30 | #define MII_LEDCTRL_REG 20 | |
| d4b7780e AV |
31 | |
| 32 | /* Realtek RTL8201 PHY */ | |
| 6b4aea73 | 33 | #define MII_RTL8201_ID 0x00008200 |
| d4b7780e AV |
34 | |
| 35 | /* Broadcom BCM5221 PHY */ | |
| 6b4aea73 AV |
36 | #define MII_BCM5221_ID 0x004061e0 |
| 37 | #define MII_BCMINTR_REG 26 | |
| d4b7780e AV |
38 | |
| 39 | /* National Semiconductor DP83847 */ | |
| 6b4aea73 AV |
40 | #define MII_DP83847_ID 0x20005c30 |
| 41 | ||
| 42 | /* National Semiconductor DP83848 */ | |
| 43 | #define MII_DP83848_ID 0x20005c90 | |
| 44 | #define MII_DPPHYSTS_REG 16 | |
| 45 | #define MII_DPMICR_REG 17 | |
| 46 | #define MII_DPMISR_REG 18 | |
| d4b7780e AV |
47 | |
| 48 | /* Altima AC101L PHY */ | |
| 6b4aea73 | 49 | #define MII_AC101L_ID 0x00225520 |
| d4b7780e AV |
50 | |
| 51 | /* Micrel KS8721 PHY */ | |
| 6b4aea73 AV |
52 | #define MII_KS8721_ID 0x00221610 |
| 53 | ||
| 54 | /* Teridian 78Q2123/78Q2133 */ | |
| 55 | #define MII_T78Q21x3_ID 0x000e7230 | |
| 56 | #define MII_T78Q21INT_REG 17 | |
| 57 | ||
| 58 | /* SMSC LAN83C185 */ | |
| 59 | #define MII_LAN83C185_ID 0x0007C0A0 | |
| d4b7780e AV |
60 | |
| 61 | /* ........................................................................ */ | |
| 62 | ||
| 63 | #define MAX_RBUFF_SZ 0x600 /* 1518 rounded up */ | |
| 64 | #define MAX_RX_DESCR 9 /* max number of receive buffers */ | |
| 65 | ||
| 66 | #define EMAC_DESC_DONE 0x00000001 /* bit for if DMA is done */ | |
| 67 | #define EMAC_DESC_WRAP 0x00000002 /* bit for wrap */ | |
| 68 | ||
| 69 | #define EMAC_BROADCAST 0x80000000 /* broadcast address */ | |
| 70 | #define EMAC_MULTICAST 0x40000000 /* multicast address */ | |
| 71 | #define EMAC_UNICAST 0x20000000 /* unicast address */ | |
| 72 | ||
| 73 | struct rbf_t | |
| 74 | { | |
| 75 | unsigned int addr; | |
| 76 | unsigned long size; | |
| 77 | }; | |
| 78 | ||
| 79 | struct recv_desc_bufs | |
| 80 | { | |
| 81 | struct rbf_t descriptors[MAX_RX_DESCR]; /* must be on sizeof (rbf_t) boundary */ | |
| 82 | char recv_buf[MAX_RX_DESCR][MAX_RBUFF_SZ]; /* must be on long boundary */ | |
| 83 | }; | |
| 84 | ||
| 85 | struct at91_private | |
| 86 | { | |
| d4b7780e AV |
87 | struct mii_if_info mii; /* ethtool support */ |
| 88 | struct at91_eth_data board_data; /* board-specific configuration */ | |
| 427d269f | 89 | struct clk *ether_clk; /* clock */ |
| d4b7780e AV |
90 | |
| 91 | /* PHY */ | |
| 92 | unsigned long phy_type; /* type of PHY (PHY_ID) */ | |
| 93 | spinlock_t lock; /* lock for MDI interface */ | |
| 94 | short phy_media; /* media interface type */ | |
| 95 | unsigned short phy_address; /* 5-bit MDI address of PHY (0..31) */ | |
| cf42553a | 96 | struct timer_list check_timer; /* Poll link status */ |
| d4b7780e AV |
97 | |
| 98 | /* Transmit */ | |
| 99 | struct sk_buff *skb; /* holds skb until xmit interrupt completes */ | |
| 100 | dma_addr_t skb_physaddr; /* phys addr from pci_map_single */ | |
| 101 | int skb_length; /* saved skb length for pci_unmap_single */ | |
| 102 | ||
| 103 | /* Receive */ | |
| 104 | int rxBuffIndex; /* index into receive descriptor list */ | |
| 105 | struct recv_desc_bufs *dlist; /* descriptor list address */ | |
| 106 | struct recv_desc_bufs *dlist_phys; /* descriptor list physical address */ | |
| 107 | }; | |
| 108 | ||
| 109 | #endif |