2 * fec.h -- Fast Ethernet Controller definitions
4 * Some definitions copied from commproc.h for MPC8xx:
5 * MPC8xx Communication Processor Module.
6 * Copyright (c) 1997 Dan Malek (dmalek@jlc.net)
8 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
30 /* Buffer descriptors used FEC.
32 typedef struct cpm_buf_desc {
33 ushort cbd_sc; /* Status and Control */
34 ushort cbd_datlen; /* Data length in buffer */
35 uint cbd_bufaddr; /* Buffer address in host memory */
38 #define BD_SC_EMPTY ((ushort)0x8000) /* Recieve is empty */
39 #define BD_SC_READY ((ushort)0x8000) /* Transmit is ready */
40 #define BD_SC_WRAP ((ushort)0x2000) /* Last buffer descriptor */
41 #define BD_SC_INTRPT ((ushort)0x1000) /* Interrupt on change */
42 #define BD_SC_LAST ((ushort)0x0800) /* Last buffer in frame */
43 #define BD_SC_TC ((ushort)0x0400) /* Transmit CRC */
44 #define BD_SC_CM ((ushort)0x0200) /* Continous mode */
45 #define BD_SC_ID ((ushort)0x0100) /* Rec'd too many idles */
46 #define BD_SC_P ((ushort)0x0100) /* xmt preamble */
47 #define BD_SC_BR ((ushort)0x0020) /* Break received */
48 #define BD_SC_FR ((ushort)0x0010) /* Framing error */
49 #define BD_SC_PR ((ushort)0x0008) /* Parity error */
50 #define BD_SC_OV ((ushort)0x0002) /* Overrun */
51 #define BD_SC_CD ((ushort)0x0001) /* Carrier Detect lost */
53 /* Buffer descriptor control/status used by Ethernet receive.
55 #define BD_ENET_RX_EMPTY ((ushort)0x8000)
56 #define BD_ENET_RX_WRAP ((ushort)0x2000)
57 #define BD_ENET_RX_INTR ((ushort)0x1000)
58 #define BD_ENET_RX_LAST ((ushort)0x0800)
59 #define BD_ENET_RX_FIRST ((ushort)0x0400)
60 #define BD_ENET_RX_MISS ((ushort)0x0100)
61 #define BD_ENET_RX_LG ((ushort)0x0020)
62 #define BD_ENET_RX_NO ((ushort)0x0010)
63 #define BD_ENET_RX_SH ((ushort)0x0008)
64 #define BD_ENET_RX_CR ((ushort)0x0004)
65 #define BD_ENET_RX_OV ((ushort)0x0002)
66 #define BD_ENET_RX_CL ((ushort)0x0001)
67 #define BD_ENET_RX_STATS ((ushort)0x013f) /* All status bits */
69 /* Buffer descriptor control/status used by Ethernet transmit.
71 #define BD_ENET_TX_READY ((ushort)0x8000)
72 #define BD_ENET_TX_PAD ((ushort)0x4000)
73 #define BD_ENET_TX_WRAP ((ushort)0x2000)
74 #define BD_ENET_TX_INTR ((ushort)0x1000)
75 #define BD_ENET_TX_LAST ((ushort)0x0800)
76 #define BD_ENET_TX_TC ((ushort)0x0400)
77 #define BD_ENET_TX_DEF ((ushort)0x0200)
78 #define BD_ENET_TX_HB ((ushort)0x0100)
79 #define BD_ENET_TX_LC ((ushort)0x0080)
80 #define BD_ENET_TX_RL ((ushort)0x0040)
81 #define BD_ENET_TX_RCMASK ((ushort)0x003c)
82 #define BD_ENET_TX_UN ((ushort)0x0002)
83 #define BD_ENET_TX_CSL ((ushort)0x0001)
84 #define BD_ENET_TX_STATS ((ushort)0x03ff) /* All status bits */