5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 * Some code shamelessly stolen back from Robin Getz.
27 #include <timestamp.h>
29 #include "../drivers/net/smc91111.h"
31 static struct eth_device dev = {
32 .iobase = CONFIG_SMC91111_BASE
35 static u16 read_eeprom_reg(u16 reg)
39 SMC_SELECT_BANK(&dev, 2);
40 SMC_outw(&dev, reg, PTR_REG);
42 SMC_SELECT_BANK(&dev, 1);
43 SMC_outw(&dev, SMC_inw(&dev, CTL_REG) | CTL_EEPROM_SELECT |
48 while ((SMC_inw(&dev, CTL_REG) & CTL_RELOAD) && --timeout)
51 printf("Timeout reading register %02x\n", reg);
55 return SMC_inw(&dev, GP_REG);
58 static int write_eeprom_reg(u16 value, u16 reg)
62 SMC_SELECT_BANK(&dev, 2);
63 SMC_outw(&dev, reg, PTR_REG);
65 SMC_SELECT_BANK(&dev, 1);
67 SMC_outw(&dev, value, GP_REG);
68 SMC_outw(&dev, SMC_inw(&dev, CTL_REG) | CTL_EEPROM_SELECT |
73 while ((SMC_inw(&dev, CTL_REG) & CTL_STORE) && --timeout)
76 printf("Timeout writing register %02x\n", reg);
83 static int write_data(u16 *buf, int len)
88 write_eeprom_reg(*buf++, reg++);
93 static int verify_macaddr(char *s)
99 for (i = 0; i < 3; i++) {
100 reg = read_eeprom_reg(0x20 + i);
101 printf("%02x:%02x%c", reg & 0xff, reg >> 8, i != 2 ? ':' : '\n');
103 err |= reg != ((u16 *)s)[i];
109 static int set_mac(char *s)
114 /* turn string into mac value */
115 for (i = 0; i < 6; i++) {
116 eaddr[i] = simple_strtoul(s, &e, 16);
120 for (i = 0; i < 3; i++)
121 write_eeprom_reg(*(((u16 *)eaddr) + i), 0x20 + i);
126 static int parse_element(char *s, unsigned char *buf, int len)
132 id = simple_strtoul(s, &p, 16);
144 buf[cnt++] = simple_strtoul(num, NULL, 16);
152 int eeprom(int argc, char * const argv[])
155 unsigned char buf[58], *p;
159 if (i != XF_VERSION) {
160 printf("Using ABI version %d, but U-Boot provides %d\n",
165 if ((SMC_inw(&dev, BANK_SELECT) & 0xFF00) != 0x3300) {
166 puts("SMSC91111 not found\n");
170 /* Called without parameters - print MAC address */
172 verify_macaddr(NULL);
176 /* Print help message */
177 if (argv[1][1] == 'h') {
178 puts("VoiceBlue EEPROM writer\n"
179 "Built: " U_BOOT_DATE " at " U_BOOT_TIME "\n"
180 "Usage:\n\t<mac_address> [<element_1>] [<...>]\n");
184 /* Try to parse information elements */
187 for (i = 2; i < argc; i++) {
188 ret = parse_element(argv[i], p, len);
191 printf("Element %d: malformed\n", i - 1);
194 printf("Element %d: odd character count\n", i - 1);
197 puts("Out of EEPROM memory\n");
205 /* First argument (MAC) is mandatory */
207 if (verify_macaddr(argv[1])) {
208 puts("*** HWaddr does not match! ***\n");
215 write_data((u16 *)buf, sizeof(buf) >> 1);