| Bryan Wu | e190d6b | 2007-07-17 14:43:44 +0800 | [diff] [blame] | 1 | /* |
| 2 | * File: drivers/net/bfin_mac.c |
| 3 | * Based on: |
| 4 | * Maintainer: |
| 5 | * Bryan Wu <bryan.wu@analog.com> |
| 6 | * |
| 7 | * Original author: |
| 8 | * Luke Yang <luke.yang@analog.com> |
| 9 | * |
| 10 | * Created: |
| 11 | * Description: |
| 12 | * |
| 13 | * Modified: |
| 14 | * Copyright 2004-2006 Analog Devices Inc. |
| 15 | * |
| 16 | * Bugs: Enter bugs at http://blackfin.uclinux.org/ |
| 17 | * |
| 18 | * This program is free software ; you can redistribute it and/or modify |
| 19 | * it under the terms of the GNU General Public License as published by |
| 20 | * the Free Software Foundation ; either version 2, or (at your option) |
| 21 | * any later version. |
| 22 | * |
| 23 | * This program is distributed in the hope that it will be useful, |
| 24 | * but WITHOUT ANY WARRANTY ; without even the implied warranty of |
| 25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 26 | * GNU General Public License for more details. |
| 27 | * |
| 28 | * You should have received a copy of the GNU General Public License |
| 29 | * along with this program ; see the file COPYING. |
| 30 | * If not, write to the Free Software Foundation, |
| 31 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 32 | */ |
| 33 | |
| 34 | /* |
| 35 | * PHY REGISTER NAMES |
| 36 | */ |
| 37 | #define PHYREG_MODECTL 0x0000 |
| 38 | #define PHYREG_MODESTAT 0x0001 |
| 39 | #define PHYREG_PHYID1 0x0002 |
| 40 | #define PHYREG_PHYID2 0x0003 |
| 41 | #define PHYREG_ANAR 0x0004 |
| 42 | #define PHYREG_ANLPAR 0x0005 |
| 43 | #define PHYREG_ANER 0x0006 |
| 44 | #define PHYREG_NSR 0x0010 |
| 45 | #define PHYREG_LBREMR 0x0011 |
| 46 | #define PHYREG_REC 0x0012 |
| 47 | #define PHYREG_10CFG 0x0013 |
| 48 | #define PHYREG_PHY1_1 0x0014 |
| 49 | #define PHYREG_PHY1_2 0x0015 |
| 50 | #define PHYREG_PHY2 0x0016 |
| 51 | #define PHYREG_TW_1 0x0017 |
| 52 | #define PHYREG_TW_2 0x0018 |
| 53 | #define PHYREG_TEST 0x0019 |
| 54 | |
| 55 | #define PHY_RESET 0x8000 |
| 56 | #define PHY_ANEG_EN 0x1000 |
| 57 | #define PHY_DUPLEX 0x0100 |
| 58 | #define PHY_SPD_SET 0x2000 |
| 59 | |
| 60 | #define BFIN_MAC_CSUM_OFFLOAD |
| 61 | |
| 62 | struct dma_descriptor { |
| 63 | struct dma_descriptor *next_dma_desc; |
| 64 | unsigned long start_addr; |
| 65 | unsigned short config; |
| 66 | unsigned short x_count; |
| 67 | }; |
| 68 | |
| 69 | struct status_area_rx { |
| 70 | #if defined(BFIN_MAC_CSUM_OFFLOAD) |
| 71 | unsigned short ip_hdr_csum; /* ip header checksum */ |
| 72 | /* ip payload(udp or tcp or others) checksum */ |
| 73 | unsigned short ip_payload_csum; |
| 74 | #endif |
| 75 | unsigned long status_word; /* the frame status word */ |
| 76 | }; |
| 77 | |
| 78 | struct status_area_tx { |
| 79 | unsigned long status_word; /* the frame status word */ |
| 80 | }; |
| 81 | |
| 82 | /* use two descriptors for a packet */ |
| 83 | struct net_dma_desc_rx { |
| 84 | struct net_dma_desc_rx *next; |
| 85 | struct sk_buff *skb; |
| 86 | struct dma_descriptor desc_a; |
| 87 | struct dma_descriptor desc_b; |
| 88 | struct status_area_rx status; |
| 89 | }; |
| 90 | |
| 91 | /* use two descriptors for a packet */ |
| 92 | struct net_dma_desc_tx { |
| 93 | struct net_dma_desc_tx *next; |
| 94 | struct sk_buff *skb; |
| 95 | struct dma_descriptor desc_a; |
| 96 | struct dma_descriptor desc_b; |
| 97 | unsigned char packet[1560]; |
| 98 | struct status_area_tx status; |
| 99 | }; |
| 100 | |
| 101 | struct bf537mac_local { |
| 102 | /* |
| 103 | * these are things that the kernel wants me to keep, so users |
| 104 | * can find out semi-useless statistics of how well the card is |
| 105 | * performing |
| 106 | */ |
| 107 | struct net_device_stats stats; |
| 108 | |
| 109 | int version; |
| 110 | |
| 111 | int FlowEnabled; /* record if data flow is active */ |
| 112 | int EtherIntIVG; /* IVG for the ethernet interrupt */ |
| 113 | int RXIVG; /* IVG for the RX completion */ |
| 114 | int TXIVG; /* IVG for the TX completion */ |
| 115 | int PhyAddr; /* PHY address */ |
| 116 | int OpMode; /* set these bits n the OPMODE regs */ |
| 117 | int Port10; /* set port speed to 10 Mbit/s */ |
| 118 | int GenChksums; /* IP checksums to be calculated */ |
| 119 | int NoRcveLnth; /* dont insert recv length at start of buffer */ |
| 120 | int StripPads; /* remove trailing pad bytes */ |
| 121 | int FullDuplex; /* set full duplex mode */ |
| 122 | int Negotiate; /* enable auto negotiation */ |
| 123 | int Loopback; /* loopback at the PHY */ |
| 124 | int Cache; /* Buffers may be cached */ |
| 125 | int FlowControl; /* flow control active */ |
| 126 | int CLKIN; /* clock in value in MHZ */ |
| 127 | unsigned short IntMask; /* interrupt mask */ |
| 128 | unsigned char Mac[6]; /* MAC address of the board */ |
| 129 | spinlock_t lock; |
| 130 | }; |
| 131 | |
| 132 | extern void get_bf537_ether_addr(char *addr); |