1 /******************************************************************************
6 * This program is free software; you can redistribute it and/or modify it
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9 * option) any later version.
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14 * ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR STANDARD,
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25 * Xilinx hardware products are not intended for use in life support
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30 * (c) Copyright 2002-2004 Xilinx Inc.
31 * All rights reserved.
34 * You should have received a copy of the GNU General Public License along
35 * with this program; if not, write to the Free Software Foundation, Inc.,
36 * 675 Mass Ave, Cambridge, MA 02139, USA.
38 ******************************************************************************/
42 #include <configs/ml300.h>
43 #include "xparameters.h"
46 #if defined(XPAR_EMAC_0_DEVICE_ID)
48 * ENET_MAX_MTU and ENET_MAX_MTU_ALIGNED are set from
49 * PKTSIZE and PKTSIZE_ALIGN (include/net.h)
52 #define ENET_MAX_MTU PKTSIZE
53 #define ENET_MAX_MTU_ALIGNED PKTSIZE_ALIGN
54 #define ENET_ADDR_LENGTH 6
57 static char etherrxbuff[PKTSIZE_ALIGN]; /* Receive buffer */
59 /* hardcoded MAC address for the Xilinx EMAC Core when env is nowhere*/
60 #ifdef CFG_ENV_IS_NOWHERE
61 static u8 EMACAddr[ENET_ADDR_LENGTH] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 };
64 static int initialized = 0;
70 (void) XEmac_Stop(&Emac);
80 printf("EMAC Initialization Started\n\r");
83 Result = XEmac_Initialize(&Emac, XPAR_EMAC_0_DEVICE_ID);
84 if (Result != XST_SUCCESS) {
88 /* make sure the Emac is stopped before it is started */
89 (void) XEmac_Stop(&Emac);
91 #ifdef CFG_ENV_IS_NOWHERE
92 memcpy(bis->bi_enetaddr, EMACAddr, 6);
95 Result = XEmac_SetMacAddress(&Emac, bis->bi_enetaddr);
96 if (Result != XST_SUCCESS) {
101 (XEM_POLLED_OPTION | XEM_UNICAST_OPTION | XEM_BROADCAST_OPTION |
102 XEM_FDUPLEX_OPTION | XEM_INSERT_FCS_OPTION |
103 XEM_INSERT_PAD_OPTION);
104 Result = XEmac_SetOptions(&Emac, Options);
105 if (Result != XST_SUCCESS) {
109 Result = XEmac_Start(&Emac);
110 if (Result != XST_SUCCESS) {
114 printf("EMAC Initialization complete\n\r");
122 /*-----------------------------------------------------------------------------+
123 +-----------------------------------------------------------------------------*/
125 eth_send(volatile void *ptr, int len)
129 if (len > ENET_MAX_MTU)
132 Result = XEmac_PollSend(&Emac, (u8 *) ptr, len);
133 if (Result == XST_SUCCESS) {
136 printf("Error while sending frame\n\r");
148 RecvFrameLength = PKTSIZE;
149 Result = XEmac_PollRecv(&Emac, (u8 *) etherrxbuff, &RecvFrameLength);
150 if (Result == XST_SUCCESS) {
151 NetReceive((uchar *)etherrxbuff, RecvFrameLength);