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1/****************************************************************************/
2
3/*
4 * fec.h -- Fast Ethernet Controller for Motorola ColdFire SoC
5 * processors.
6 *
7 * (C) Copyright 2000-2005, Greg Ungerer (gerg@snapgear.com)
8 * (C) Copyright 2000-2001, Lineo (www.lineo.com)
9 */
10
11/****************************************************************************/
12#ifndef FEC_H
13#define FEC_H
14/****************************************************************************/
15
16#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
17 defined(CONFIG_M520x) || defined(CONFIG_M532x)
18/*
19 * Just figures, Motorola would have to change the offsets for
20 * registers in the same peripheral device on different models
21 * of the ColdFire!
22 */
23typedef struct fec {
24 unsigned long fec_reserved0;
25 unsigned long fec_ievent; /* Interrupt event reg */
26 unsigned long fec_imask; /* Interrupt mask reg */
27 unsigned long fec_reserved1;
28 unsigned long fec_r_des_active; /* Receive descriptor reg */
29 unsigned long fec_x_des_active; /* Transmit descriptor reg */
30 unsigned long fec_reserved2[3];
31 unsigned long fec_ecntrl; /* Ethernet control reg */
32 unsigned long fec_reserved3[6];
33 unsigned long fec_mii_data; /* MII manage frame reg */
34 unsigned long fec_mii_speed; /* MII speed control reg */
35 unsigned long fec_reserved4[7];
36 unsigned long fec_mib_ctrlstat; /* MIB control/status reg */
37 unsigned long fec_reserved5[7];
38 unsigned long fec_r_cntrl; /* Receive control reg */
39 unsigned long fec_reserved6[15];
40 unsigned long fec_x_cntrl; /* Transmit Control reg */
41 unsigned long fec_reserved7[7];
42 unsigned long fec_addr_low; /* Low 32bits MAC address */
43 unsigned long fec_addr_high; /* High 16bits MAC address */
44 unsigned long fec_opd; /* Opcode + Pause duration */
45 unsigned long fec_reserved8[10];
46 unsigned long fec_hash_table_high; /* High 32bits hash table */
47 unsigned long fec_hash_table_low; /* Low 32bits hash table */
48 unsigned long fec_grp_hash_table_high;/* High 32bits hash table */
49 unsigned long fec_grp_hash_table_low; /* Low 32bits hash table */
50 unsigned long fec_reserved9[7];
51 unsigned long fec_x_wmrk; /* FIFO transmit water mark */
52 unsigned long fec_reserved10;
53 unsigned long fec_r_bound; /* FIFO receive bound reg */
54 unsigned long fec_r_fstart; /* FIFO receive start reg */
55 unsigned long fec_reserved11[11];
56 unsigned long fec_r_des_start; /* Receive descriptor ring */
57 unsigned long fec_x_des_start; /* Transmit descriptor ring */
58 unsigned long fec_r_buff_size; /* Maximum receive buff size */
59} fec_t;
60
61#else
62
63/*
64 * Define device register set address map.
65 */
66typedef struct fec {
67 unsigned long fec_ecntrl; /* Ethernet control reg */
68 unsigned long fec_ievent; /* Interrupt even reg */
69 unsigned long fec_imask; /* Interrupt mask reg */
70 unsigned long fec_ivec; /* Interrupt vec status reg */
71 unsigned long fec_r_des_active; /* Receive descriptor reg */
72 unsigned long fec_x_des_active; /* Transmit descriptor reg */
73 unsigned long fec_reserved1[10];
74 unsigned long fec_mii_data; /* MII manage frame reg */
75 unsigned long fec_mii_speed; /* MII speed control reg */
76 unsigned long fec_reserved2[17];
77 unsigned long fec_r_bound; /* FIFO receive bound reg */
78 unsigned long fec_r_fstart; /* FIFO receive start reg */
79 unsigned long fec_reserved3[4];
80 unsigned long fec_x_wmrk; /* FIFO transmit water mark */
81 unsigned long fec_reserved4;
82 unsigned long fec_x_fstart; /* FIFO transmit start reg */
83 unsigned long fec_reserved5[21];
84 unsigned long fec_r_cntrl; /* Receive control reg */
85 unsigned long fec_max_frm_len; /* Maximum frame length reg */
86 unsigned long fec_reserved6[14];
87 unsigned long fec_x_cntrl; /* Transmit Control reg */
88 unsigned long fec_reserved7[158];
89 unsigned long fec_addr_low; /* Low 32bits MAC address */
90 unsigned long fec_addr_high; /* High 16bits MAC address */
91 unsigned long fec_hash_table_high; /* High 32bits hash table */
92 unsigned long fec_hash_table_low; /* Low 32bits hash table */
93 unsigned long fec_r_des_start; /* Receive descriptor ring */
94 unsigned long fec_x_des_start; /* Transmit descriptor ring */
95 unsigned long fec_r_buff_size; /* Maximum receive buff size */
96 unsigned long reserved8[9];
97 unsigned long fec_fifo_ram[112]; /* FIFO RAM buffer */
98} fec_t;
99
100#endif /* CONFIG_M5272 */
101
102
103/*
104 * Define the buffer descriptor structure.
105 */
106typedef struct bufdesc {
107 unsigned short cbd_sc; /* Control and status info */
108 unsigned short cbd_datlen; /* Data length */
109 unsigned long cbd_bufaddr; /* Buffer address */
110} cbd_t;
111
112
113/*
114 * The following definitions courtesy of commproc.h, which where
115 * Copyright (c) 1997 Dan Malek (dmalek@jlc.net).
116 */
117#define BD_SC_EMPTY ((ushort)0x8000) /* Recieve is empty */
118#define BD_SC_READY ((ushort)0x8000) /* Transmit is ready */
119#define BD_SC_WRAP ((ushort)0x2000) /* Last buffer descriptor */
120#define BD_SC_INTRPT ((ushort)0x1000) /* Interrupt on change */
121#define BD_SC_CM ((ushort)0x0200) /* Continous mode */
122#define BD_SC_ID ((ushort)0x0100) /* Rec'd too many idles */
123#define BD_SC_P ((ushort)0x0100) /* xmt preamble */
124#define BD_SC_BR ((ushort)0x0020) /* Break received */
125#define BD_SC_FR ((ushort)0x0010) /* Framing error */
126#define BD_SC_PR ((ushort)0x0008) /* Parity error */
127#define BD_SC_OV ((ushort)0x0002) /* Overrun */
128#define BD_SC_CD ((ushort)0x0001) /* ?? */
129
130/* Buffer descriptor control/status used by Ethernet receive.
131*/
132#define BD_ENET_RX_EMPTY ((ushort)0x8000)
133#define BD_ENET_RX_WRAP ((ushort)0x2000)
134#define BD_ENET_RX_INTR ((ushort)0x1000)
135#define BD_ENET_RX_LAST ((ushort)0x0800)
136#define BD_ENET_RX_FIRST ((ushort)0x0400)
137#define BD_ENET_RX_MISS ((ushort)0x0100)
138#define BD_ENET_RX_LG ((ushort)0x0020)
139#define BD_ENET_RX_NO ((ushort)0x0010)
140#define BD_ENET_RX_SH ((ushort)0x0008)
141#define BD_ENET_RX_CR ((ushort)0x0004)
142#define BD_ENET_RX_OV ((ushort)0x0002)
143#define BD_ENET_RX_CL ((ushort)0x0001)
144#define BD_ENET_RX_STATS ((ushort)0x013f) /* All status bits */
145
146/* Buffer descriptor control/status used by Ethernet transmit.
147*/
148#define BD_ENET_TX_READY ((ushort)0x8000)
149#define BD_ENET_TX_PAD ((ushort)0x4000)
150#define BD_ENET_TX_WRAP ((ushort)0x2000)
151#define BD_ENET_TX_INTR ((ushort)0x1000)
152#define BD_ENET_TX_LAST ((ushort)0x0800)
153#define BD_ENET_TX_TC ((ushort)0x0400)
154#define BD_ENET_TX_DEF ((ushort)0x0200)
155#define BD_ENET_TX_HB ((ushort)0x0100)
156#define BD_ENET_TX_LC ((ushort)0x0080)
157#define BD_ENET_TX_RL ((ushort)0x0040)
158#define BD_ENET_TX_RCMASK ((ushort)0x003c)
159#define BD_ENET_TX_UN ((ushort)0x0002)
160#define BD_ENET_TX_CSL ((ushort)0x0001)
161#define BD_ENET_TX_STATS ((ushort)0x03ff) /* All status bits */
162
163
164/****************************************************************************/
165#endif /* FEC_H */