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/* eth.c. Test of Or1ksim Ethernet
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/* eth.c. Test of Or1ksim Ethernet
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Copyright (C) 1999-2006 OpenCores
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Copyright (C) 1999-2006, 2010 OpenCores
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Copyright (C) 2010 Embecosm Limited
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Copyright (C) 2010 Embecosm Limited
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Contributors various OpenCores participants
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Contributors various OpenCores participants
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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Contributor Julius Baxter <julius@opencores.org>
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This file is part of OpenRISC 1000 Architectural Simulator.
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This file is part of OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify it
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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under the terms of the GNU General Public License as published by the Free
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/* ----------------------------------------------------------------------------
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/* ----------------------------------------------------------------------------
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This code is commented throughout for use with Doxygen.
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This code is commented throughout for use with Doxygen.
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--------------------------------------------------------------------------*/
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--------------------------------------------------------------------------*/
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/* TODO: Add loopback test.
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*/
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#include "spr-defs.h"
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#include "spr-defs.h"
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#include "support.h"
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#include "support.h"
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#include "board.h"
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#include "board.h"
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typedef long off_t;
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typedef long off_t;
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eth_mac_addr0 = (unsigned long *)(ETH_BASE + ETH_MAC_ADDR0),
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eth_mac_addr0 = (unsigned long *)(ETH_BASE + ETH_MAC_ADDR0),
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eth_mac_addr1 = (unsigned long *)(ETH_BASE + ETH_MAC_ADDR1),
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eth_mac_addr1 = (unsigned long *)(ETH_BASE + ETH_MAC_ADDR1),
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eth_bd_base = (unsigned long *)(ETH_BASE + ETH_BD_BASE);
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eth_bd_base = (unsigned long *)(ETH_BASE + ETH_BD_BASE);
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volatile unsigned int_happend;
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volatile unsigned int_happend;
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unsigned char r_packet[2000];
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#define R_PACKET_SIZE 2000
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unsigned char s_packet[1003];
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unsigned char r_packet[R_PACKET_SIZE];
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#define S_PACKET_SIZE 1003
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unsigned char s_packet[S_PACKET_SIZE];
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unsigned tx_bindex;
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unsigned tx_bindex;
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unsigned rx_bindex;
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unsigned rx_bindex;
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void interrupt_handler()
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void interrupt_handler()
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{
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{
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static void transmit_one_packet( void )
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static void transmit_one_packet( void )
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{
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{
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unsigned i;
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unsigned i;
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/* Initialize packet */
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/* Initialize packet */
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for ( i = 0; i < sizeof(s_packet); ++ i )
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for ( i = 0; i < S_PACKET_SIZE; ++ i )
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s_packet[i] = (unsigned char)i;
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s_packet[i] = (unsigned char)i;
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/* Set Ethernet BD */
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/* Set Ethernet BD */
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SET_FIELD(eth_bd_base[tx_bindex], ETH_TX_BD, LENGTH, sizeof(s_packet));
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SET_FIELD(eth_bd_base[tx_bindex], ETH_TX_BD, LENGTH, S_PACKET_SIZE);
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eth_bd_base[tx_bindex + 1] = (unsigned long)s_packet;
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eth_bd_base[tx_bindex + 1] = (unsigned long)s_packet;
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/* Start Ethernet */
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/* Start Ethernet */
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SET_FLAG(eth_bd_base[tx_bindex], ETH_TX_BD, READY);
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SET_FLAG(eth_bd_base[tx_bindex], ETH_TX_BD, READY);
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SET_FLAG(*eth_moder, ETH_MODER, TXEN);
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SET_FLAG(*eth_moder, ETH_MODER, TXEN);
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unsigned i;
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unsigned i;
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int_happend = 0;
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int_happend = 0;
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/* Initialize packet */
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/* Initialize packet */
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printf("Init\n");
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printf("Init\n");
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for ( i = 0; i < sizeof(s_packet); ++ i )
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for ( i = 0; i < S_PACKET_SIZE; ++ i )
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s_packet[i] = (unsigned char)i;
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s_packet[i] = (unsigned char)i;
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/* Set Ethernet BD */
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/* Set Ethernet BD */
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printf("Set BD\n");
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printf("Set BD\n");
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SET_FIELD(eth_bd_base[tx_bindex], ETH_TX_BD, LENGTH, sizeof(s_packet));
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SET_FIELD(eth_bd_base[tx_bindex], ETH_TX_BD, LENGTH, S_PACKET_SIZE);
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eth_bd_base[tx_bindex + 1] = (unsigned long)s_packet;
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eth_bd_base[tx_bindex + 1] = (unsigned long)s_packet;
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/* Start Ethernet */
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/* Start Ethernet */
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printf("Set Flags\n");
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printf("Set Flags\n");
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SET_FLAG(eth_bd_base[tx_bindex], ETH_TX_BD, IRQ);
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SET_FLAG(eth_bd_base[tx_bindex], ETH_TX_BD, IRQ);
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int main()
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int main()
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{
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{
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printf( "Starting Ethernet test\n" );
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printf( "Starting Ethernet test\n" );
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/* Buffer descriptor indexes. These are not changed in between the
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polling tests, as the RXEN and TXEN bits in the MODER are disabled
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between tests, resetting the respective buffer descriptor indexes,
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and so these should stay at their initial values. */
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tx_bindex = 0;
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tx_bindex = 0;
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rx_bindex = *eth_tx_bd_num << 1;
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rx_bindex = *eth_tx_bd_num << 1;
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set_mac();
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set_mac();
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/* Set promiscuous mode */
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*eth_moder |= (1 << ETH_MODER_PRO_OFFSET);
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/*-------------------*/
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/*-------------------*/
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/* non iterrupt test */
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/* non iterrupt test */
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transmit_one_packet();
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transmit_one_packet();
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tx_bindex += 2;
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receive_one_packet();
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receive_one_packet();
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rx_bindex += 2;
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transmit_one_packet();
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transmit_one_packet();
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tx_bindex += 2;
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receive_one_packet();
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receive_one_packet();
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rx_bindex += 2;
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/*-------------------*/
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/*-------------------*/
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/* interrupt test */
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/* interrupt test */
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excpt_int = (unsigned long)interrupt_handler;
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excpt_int = (unsigned long)interrupt_handler;
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