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fe8c2806 WD |
1 | /* |
2 | * (C) Copyright 2001 | |
3 | * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | /* | |
25 | * eth.h - header file for the polled mode GT ethernet driver | |
26 | */ | |
27 | ||
28 | #ifndef __GT6426x_ETH_H__ | |
29 | #define __GT6426x_ETH_H__ | |
30 | ||
31 | #include <asm/types.h> | |
32 | #include <asm/io.h> | |
33 | #include <asm/byteorder.h> | |
34 | #include <common.h> | |
35 | ||
36 | typedef struct eth0_tx_desc_struct { | |
37 | volatile __u32 bytecount_reserved; | |
38 | volatile __u32 command_status; | |
39 | volatile struct eth0_tx_desc_struct * next_desc; | |
40 | /* Note - the following will not work for 64 bit addressing */ | |
41 | volatile unsigned char * buff_pointer; | |
77ddac94 | 42 | } __attribute__ ((packed)) eth0_tx_desc_single; |
fe8c2806 WD |
43 | |
44 | typedef struct eth0_rx_desc_struct { | |
45 | volatile __u32 buff_size_byte_count; | |
46 | volatile __u32 command_status; | |
47 | volatile struct eth0_rx_desc_struct * next_desc; | |
48 | volatile unsigned char * buff_pointer; | |
77ddac94 | 49 | } __attribute__ ((packed)) eth0_rx_desc_single; |
fe8c2806 WD |
50 | |
51 | #define NT 20 /* Number of Transmit buffers */ | |
52 | #define NR 20 /* Number of Receive buffers */ | |
53 | #define MAX_BUFF_SIZE (1536+2*CACHE_LINE_SIZE) /* 1600 */ | |
54 | #define ETHERNET_PORTS_DIFFERENCE_OFFSETS 0x400 | |
55 | ||
56 | unsigned long TDN_ETH0 , RDN_ETH0; /* Rx/Tx current Descriptor Number*/ | |
57 | unsigned int EVB64260_ETH0_irq; | |
58 | ||
59 | #define CLOSED 0 | |
60 | #define OPENED 1 | |
61 | ||
62 | #define PORT_ETH0 0 | |
63 | ||
64 | extern eth0_tx_desc_single *eth0_tx_desc; | |
65 | extern eth0_rx_desc_single *eth0_rx_desc; | |
66 | extern char *eth0_tx_buffer; | |
67 | extern char *eth0_rx_buffer[NR]; | |
68 | extern char *eth_data; | |
69 | ||
70 | extern int gt6426x_eth_poll(void *v); | |
71 | extern int gt6426x_eth_transmit(void *v, volatile char *p, unsigned int s); | |
72 | extern void gt6426x_eth_disable(void *v); | |
73 | extern int gt6426x_eth_probe(void *v, bd_t *bis); | |
74 | ||
75 | #endif /* __GT64260x_ETH_H__ */ |