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wdenk217c9da2002-10-25 20:35:49 +00001/*
2 * (C) Copyright 2002 ELTEC Elektronik AG
3 * Frank Gottschling <fgottschling@eltec.de>
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 * Local network srom writing for first time run
26 */
27
28/* includes */
29#include <common.h>
30#include <pci.h>
31#include <net.h>
32#include "srom.h"
33
34extern int eepro100_write_eeprom (struct eth_device* dev,
wdenk8bde7f72003-06-27 21:31:46 +000035 int location, int addr_len, unsigned short data);
wdenk217c9da2002-10-25 20:35:49 +000036
37/*----------------------------------------------------------------------------*/
38
39unsigned short eepro100_srom_checksum (unsigned short *sromdata)
40{
41 unsigned short sum = 0;
42 unsigned int i;
43
44 for (i = 0; i < (EE_SIZE-1); i++)
45 {
wdenk8bde7f72003-06-27 21:31:46 +000046 sum += sromdata[i];
wdenk217c9da2002-10-25 20:35:49 +000047 }
48 return (EE_CHECKSUM - sum);
49}
50
51/*----------------------------------------------------------------------------*/
52
53int eepro100_srom_store (unsigned short *source)
54{
55 int count;
56 struct eth_device onboard_dev;
57
58 /* get onboard network iobase */
59 pci_read_config_dword(PCI_BDF(0,0x10,0), PCI_BASE_ADDRESS_0,
wdenk8bde7f72003-06-27 21:31:46 +000060 &onboard_dev.iobase);
wdenk217c9da2002-10-25 20:35:49 +000061 onboard_dev.iobase &= ~0xf;
62
63 source[63] = eepro100_srom_checksum (source);
64
65 for (count=0; count < EE_SIZE; count++)
66 {
67 if ( eepro100_write_eeprom ((struct eth_device*)&onboard_dev,
wdenk8bde7f72003-06-27 21:31:46 +000068 count, EE_ADDR_BITS, SROM_SHORT(source)) == -1 )
69 return -1;
wdenk217c9da2002-10-25 20:35:49 +000070 source++;
71 }
72 return 0;
73}
74
75/*----------------------------------------------------------------------------*/
76
77#ifdef EEPRO100_SROM_CHECK
78
79extern int read_eeprom (struct eth_device* dev, int location, int addr_len);
80
81void eepro100_srom_load (unsigned short *destination)
82{
83 int count;
84 struct eth_device onboard_dev;
85#ifdef DEBUG
86 int lr = 0;
87 printf ("eepro100_srom_download:\n");
88#endif
89
90 /* get onboard network iobase */
91 pci_read_config_dword(PCI_BDF(0,0x10,0), PCI_BASE_ADDRESS_0,
wdenk8bde7f72003-06-27 21:31:46 +000092 &onboard_dev.iobase);
wdenk217c9da2002-10-25 20:35:49 +000093 onboard_dev.iobase &= ~0xf;
94
95 memset (destination, 0x65, 128);
96
97 for (count=0; count < 0x40; count++)
98 {
wdenk8bde7f72003-06-27 21:31:46 +000099 *destination++ = read_eeprom (struct eth_device*)&onboard_dev,
100 count, EE_ADDR_BITS);
wdenk217c9da2002-10-25 20:35:49 +0000101#ifdef DEBUG
wdenk8bde7f72003-06-27 21:31:46 +0000102 printf ("%04x ", *(destination - 1));
103 if (lr++ == 7)
104 {
105 printf("\n");
106 lr = 0;
107 }
wdenk217c9da2002-10-25 20:35:49 +0000108#endif
109 }
110}
111#endif /* EEPRO100_SROM_CHECK */
112
113/*----------------------------------------------------------------------------*/