3 * Ladislav Michl, 2N Telekomunikace, michl@2n.cz
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 EEPROM 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 EEPROM 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)
98 printf("MAC Address: ");
100 for (i = 0; i < 3; i++) {
101 reg = read_eeprom_reg(0x20 + i);
102 printf("%02x:%02x%c", reg & 0xff, reg >> 8, i != 2 ? ':' : '\n');
104 err |= reg != ((u16 *)s)[i];
110 static int set_mac(char *s)
115 /* turn string into mac value */
116 for (i = 0; i < 6; i++) {
117 eaddr[i] = simple_strtoul(s, &e, 16);
121 for (i = 0; i < 3; i++)
122 write_eeprom_reg(*(((u16 *)eaddr) + i), 0x20 + i);
127 static int parse_element(char *s, unsigned char *buf, int len)
133 id = simple_strtoul(s, &p, 16);
145 buf[cnt++] = simple_strtoul(num, NULL, 16);
153 int eeprom(int argc, char *argv[])
156 unsigned char buf[58], *p;
159 if (get_version() != XF_VERSION) {
160 printf("Wrong XF_VERSION.\n");
161 printf("Application expects ABI version %d\n", XF_VERSION);
162 printf("Actual U-Boot ABI version %d\n", (int)get_version());
166 if ((SMC_inw(&dev, BANK_SELECT) & 0xFF00) != 0x3300) {
167 printf("SMSC91111 not found.\n");
171 /* Called without parameters - print MAC address */
173 verify_macaddr(NULL);
177 /* Print help message */
178 if (argv[1][1] == 'h') {
179 printf("NetStar EEPROM writer\n");
180 printf("Built: %s at %s\n", U_BOOT_DATE, U_BOOT_TIME);
181 printf("Usage:\n\t<mac_address> [<element_1>] [<...>]\n");
185 /* Try to parse information elements */
188 for (i = 2; i < argc; i++) {
189 ret = parse_element(argv[i], p, len);
192 printf("Element %d: malformed\n", i - 1);
195 printf("Element %d: odd character count\n", i - 1);
198 printf("Out of EEPROM memory\n");
206 /* First argument (MAC) is mandatory */
208 if (verify_macaddr(argv[1])) {
209 printf("*** MAC address does not match! ***\n");
216 write_data((u16 *)buf, sizeof(buf) >> 1);