diff options
Diffstat (limited to 'drivers/net/eexpress.h')
-rw-r--r-- | drivers/net/eexpress.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/drivers/net/eexpress.h b/drivers/net/eexpress.h new file mode 100644 index 000000000000..28b431268480 --- /dev/null +++ b/drivers/net/eexpress.h | |||
@@ -0,0 +1,179 @@ | |||
1 | /* | ||
2 | * eexpress.h: Intel EtherExpress16 defines | ||
3 | */ | ||
4 | |||
5 | /* | ||
6 | * EtherExpress card register addresses | ||
7 | * as offsets from the base IO region (dev->base_addr) | ||
8 | */ | ||
9 | |||
10 | #define DATAPORT 0x0000 | ||
11 | #define WRITE_PTR 0x0002 | ||
12 | #define READ_PTR 0x0004 | ||
13 | #define SIGNAL_CA 0x0006 | ||
14 | #define SET_IRQ 0x0007 | ||
15 | #define SM_PTR 0x0008 | ||
16 | #define MEM_Dec 0x000a | ||
17 | #define MEM_Ctrl 0x000b | ||
18 | #define MEM_Page_Ctrl 0x000c | ||
19 | #define Config 0x000d | ||
20 | #define EEPROM_Ctrl 0x000e | ||
21 | #define ID_PORT 0x000f | ||
22 | #define MEM_ECtrl 0x000f | ||
23 | |||
24 | /* | ||
25 | * card register defines | ||
26 | */ | ||
27 | |||
28 | /* SET_IRQ */ | ||
29 | #define SIRQ_en 0x08 | ||
30 | #define SIRQ_dis 0x00 | ||
31 | |||
32 | /* EEPROM_Ctrl */ | ||
33 | #define EC_Clk 0x01 | ||
34 | #define EC_CS 0x02 | ||
35 | #define EC_Wr 0x04 | ||
36 | #define EC_Rd 0x08 | ||
37 | #define ASIC_RST 0x40 | ||
38 | #define i586_RST 0x80 | ||
39 | |||
40 | #define eeprom_delay() { udelay(40); } | ||
41 | |||
42 | /* | ||
43 | * i82586 Memory Configuration | ||
44 | */ | ||
45 | |||
46 | /* (System Configuration Pointer) System start up block, read after 586_RST */ | ||
47 | #define SCP_START 0xfff6 | ||
48 | |||
49 | /* Intermediate System Configuration Pointer */ | ||
50 | #define ISCP_START 0x0000 | ||
51 | |||
52 | /* System Command Block */ | ||
53 | #define SCB_START 0x0008 | ||
54 | |||
55 | /* Start of buffer region. Everything before this is used for control | ||
56 | * structures and the CU configuration program. The memory layout is | ||
57 | * determined in eexp_hw_probe(), once we know how much memory is | ||
58 | * available on the card. | ||
59 | */ | ||
60 | |||
61 | #define TX_BUF_START 0x0100 | ||
62 | |||
63 | #define TX_BUF_SIZE ((24+ETH_FRAME_LEN+31)&~0x1f) | ||
64 | #define RX_BUF_SIZE ((32+ETH_FRAME_LEN+31)&~0x1f) | ||
65 | |||
66 | /* | ||
67 | * SCB defines | ||
68 | */ | ||
69 | |||
70 | /* these functions take the SCB status word and test the relevant status bit */ | ||
71 | #define SCB_complete(s) ((s&0x8000)!=0) | ||
72 | #define SCB_rxdframe(s) ((s&0x4000)!=0) | ||
73 | #define SCB_CUdead(s) ((s&0x2000)!=0) | ||
74 | #define SCB_RUdead(s) ((s&0x1000)!=0) | ||
75 | #define SCB_ack(s) (s & 0xf000) | ||
76 | |||
77 | /* Command unit status: 0=idle, 1=suspended, 2=active */ | ||
78 | #define SCB_CUstat(s) ((s&0x0300)>>8) | ||
79 | |||
80 | /* Receive unit status: 0=idle, 1=suspended, 2=out of resources, 4=ready */ | ||
81 | #define SCB_RUstat(s) ((s&0x0070)>>4) | ||
82 | |||
83 | /* SCB commands */ | ||
84 | #define SCB_CUnop 0x0000 | ||
85 | #define SCB_CUstart 0x0100 | ||
86 | #define SCB_CUresume 0x0200 | ||
87 | #define SCB_CUsuspend 0x0300 | ||
88 | #define SCB_CUabort 0x0400 | ||
89 | #define SCB_resetchip 0x0080 | ||
90 | |||
91 | #define SCB_RUnop 0x0000 | ||
92 | #define SCB_RUstart 0x0010 | ||
93 | #define SCB_RUresume 0x0020 | ||
94 | #define SCB_RUsuspend 0x0030 | ||
95 | #define SCB_RUabort 0x0040 | ||
96 | |||
97 | /* | ||
98 | * Command block defines | ||
99 | */ | ||
100 | |||
101 | #define Stat_Done(s) ((s&0x8000)!=0) | ||
102 | #define Stat_Busy(s) ((s&0x4000)!=0) | ||
103 | #define Stat_OK(s) ((s&0x2000)!=0) | ||
104 | #define Stat_Abort(s) ((s&0x1000)!=0) | ||
105 | #define Stat_STFail ((s&0x0800)!=0) | ||
106 | #define Stat_TNoCar(s) ((s&0x0400)!=0) | ||
107 | #define Stat_TNoCTS(s) ((s&0x0200)!=0) | ||
108 | #define Stat_TNoDMA(s) ((s&0x0100)!=0) | ||
109 | #define Stat_TDefer(s) ((s&0x0080)!=0) | ||
110 | #define Stat_TColl(s) ((s&0x0040)!=0) | ||
111 | #define Stat_TXColl(s) ((s&0x0020)!=0) | ||
112 | #define Stat_NoColl(s) (s&0x000f) | ||
113 | |||
114 | /* Cmd_END will end AFTER the command if this is the first | ||
115 | * command block after an SCB_CUstart, but BEFORE the command | ||
116 | * for all subsequent commands. Best strategy is to place | ||
117 | * Cmd_INT on the last command in the sequence, followed by a | ||
118 | * dummy Cmd_Nop with Cmd_END after this. | ||
119 | */ | ||
120 | |||
121 | #define Cmd_END 0x8000 | ||
122 | #define Cmd_SUS 0x4000 | ||
123 | #define Cmd_INT 0x2000 | ||
124 | |||
125 | #define Cmd_Nop 0x0000 | ||
126 | #define Cmd_SetAddr 0x0001 | ||
127 | #define Cmd_Config 0x0002 | ||
128 | #define Cmd_MCast 0x0003 | ||
129 | #define Cmd_Xmit 0x0004 | ||
130 | #define Cmd_TDR 0x0005 | ||
131 | #define Cmd_Dump 0x0006 | ||
132 | #define Cmd_Diag 0x0007 | ||
133 | |||
134 | |||
135 | /* | ||
136 | * Frame Descriptor (Receive block) defines | ||
137 | */ | ||
138 | |||
139 | #define FD_Done(s) ((s&0x8000)!=0) | ||
140 | #define FD_Busy(s) ((s&0x4000)!=0) | ||
141 | #define FD_OK(s) ((s&0x2000)!=0) | ||
142 | |||
143 | #define FD_CRC(s) ((s&0x0800)!=0) | ||
144 | #define FD_Align(s) ((s&0x0400)!=0) | ||
145 | #define FD_Resrc(s) ((s&0x0200)!=0) | ||
146 | #define FD_DMA(s) ((s&0x0100)!=0) | ||
147 | #define FD_Short(s) ((s&0x0080)!=0) | ||
148 | #define FD_NoEOF(s) ((s&0x0040)!=0) | ||
149 | |||
150 | struct rfd_header { | ||
151 | volatile unsigned long flags; | ||
152 | volatile unsigned short link; | ||
153 | volatile unsigned short rbd_offset; | ||
154 | volatile unsigned short dstaddr1; | ||
155 | volatile unsigned short dstaddr2; | ||
156 | volatile unsigned short dstaddr3; | ||
157 | volatile unsigned short srcaddr1; | ||
158 | volatile unsigned short srcaddr2; | ||
159 | volatile unsigned short srcaddr3; | ||
160 | volatile unsigned short length; | ||
161 | |||
162 | /* This is actually a Receive Buffer Descriptor. The way we | ||
163 | * arrange memory means that an RBD always follows the RFD that | ||
164 | * points to it, so they might as well be in the same structure. | ||
165 | */ | ||
166 | volatile unsigned short actual_count; | ||
167 | volatile unsigned short next_rbd; | ||
168 | volatile unsigned short buf_addr1; | ||
169 | volatile unsigned short buf_addr2; | ||
170 | volatile unsigned short size; | ||
171 | }; | ||
172 | |||
173 | /* Returned data from the Time Domain Reflectometer */ | ||
174 | |||
175 | #define TDR_LINKOK (1<<15) | ||
176 | #define TDR_XCVRPROBLEM (1<<14) | ||
177 | #define TDR_OPEN (1<<13) | ||
178 | #define TDR_SHORT (1<<12) | ||
179 | #define TDR_TIME 0x7ff | ||