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e190d6b1 BW |
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); |