2002-11-03 00:38:21 +00:00
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/*
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* (C) Copyright 2001
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* Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* eth.h - header file for the polled mode GT ethernet driver
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*/
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#ifndef __GT6426x_ETH_H__
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#define __GT6426x_ETH_H__
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#include <asm/types.h>
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#include <asm/io.h>
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#include <asm/byteorder.h>
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#include <common.h>
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typedef struct eth0_tx_desc_struct {
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volatile __u32 bytecount_reserved;
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volatile __u32 command_status;
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volatile struct eth0_tx_desc_struct * next_desc;
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/* Note - the following will not work for 64 bit addressing */
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volatile unsigned char * buff_pointer;
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2005-10-13 14:45:02 +00:00
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} __attribute__ ((packed)) eth0_tx_desc_single;
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2002-11-03 00:38:21 +00:00
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typedef struct eth0_rx_desc_struct {
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volatile __u32 buff_size_byte_count;
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volatile __u32 command_status;
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volatile struct eth0_rx_desc_struct * next_desc;
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volatile unsigned char * buff_pointer;
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2005-10-13 14:45:02 +00:00
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} __attribute__ ((packed)) eth0_rx_desc_single;
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2002-11-03 00:38:21 +00:00
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#define NT 20 /* Number of Transmit buffers */
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#define NR 20 /* Number of Receive buffers */
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#define MAX_BUFF_SIZE (1536+2*CACHE_LINE_SIZE) /* 1600 */
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#define ETHERNET_PORTS_DIFFERENCE_OFFSETS 0x400
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unsigned long TDN_ETH0 , RDN_ETH0; /* Rx/Tx current Descriptor Number*/
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unsigned int EVB64260_ETH0_irq;
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#define CLOSED 0
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#define OPENED 1
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#define PORT_ETH0 0
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extern eth0_tx_desc_single *eth0_tx_desc;
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extern eth0_rx_desc_single *eth0_rx_desc;
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extern char *eth0_tx_buffer;
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extern char *eth0_rx_buffer[NR];
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extern char *eth_data;
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extern int gt6426x_eth_poll(void *v);
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extern int gt6426x_eth_transmit(void *v, volatile char *p, unsigned int s);
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extern void gt6426x_eth_disable(void *v);
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extern int gt6426x_eth_probe(void *v, bd_t *bis);
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#endif /* __GT64260x_ETH_H__ */
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