diff options
Diffstat (limited to 'board/voiceblue/eeprom.c')
| -rw-r--r-- | board/voiceblue/eeprom.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/board/voiceblue/eeprom.c b/board/voiceblue/eeprom.c deleted file mode 100644 index aa6baca64..000000000 --- a/board/voiceblue/eeprom.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * (C) Copyright 2005 - * Ladislav Michl, 2N Telekomunikace, michl@2n.cz - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * - * Some code shamelessly stolen back from Robin Getz. - */ - -#include <common.h> -#include <exports.h> -#include <timestamp.h> -#include <net.h> -#include "../drivers/net/smc91111.h" - -static struct eth_device dev = { - .iobase = CONFIG_SMC91111_BASE -}; - -static u16 read_eeprom_reg(u16 reg) -{ - int timeout; - - SMC_SELECT_BANK(&dev, 2); - SMC_outw(&dev, reg, PTR_REG); - - SMC_SELECT_BANK(&dev, 1); - SMC_outw(&dev, SMC_inw(&dev, CTL_REG) | CTL_EEPROM_SELECT | - CTL_RELOAD, CTL_REG); - - timeout = 100; - - while ((SMC_inw(&dev, CTL_REG) & CTL_RELOAD) && --timeout) - udelay(100); - if (timeout == 0) { - printf("Timeout reading register %02x\n", reg); - return 0; - } - - return SMC_inw(&dev, GP_REG); -} - -static int write_eeprom_reg(u16 value, u16 reg) -{ - int timeout; - - SMC_SELECT_BANK(&dev, 2); - SMC_outw(&dev, reg, PTR_REG); - - SMC_SELECT_BANK(&dev, 1); - - SMC_outw(&dev, value, GP_REG); - SMC_outw(&dev, SMC_inw(&dev, CTL_REG) | CTL_EEPROM_SELECT | - CTL_STORE, CTL_REG); - - timeout = 100; - - while ((SMC_inw(&dev, CTL_REG) & CTL_STORE) && --timeout) - udelay(100); - if (timeout == 0) { - printf("Timeout writing register %02x\n", reg); - return 0; - } - - return 1; -} - -static int write_data(u16 *buf, int len) -{ - u16 reg = 0x23; - - while (len--) - write_eeprom_reg(*buf++, reg++); - - return 0; -} - -static int verify_macaddr(char *s) -{ - u16 reg; - int i, err = 0; - - puts("HWaddr: "); - for (i = 0; i < 3; i++) { - reg = read_eeprom_reg(0x20 + i); - printf("%02x:%02x%c", reg & 0xff, reg >> 8, i != 2 ? ':' : '\n'); - if (s) - err |= reg != ((u16 *)s)[i]; - } - - return err ? 0 : 1; -} - -static int set_mac(char *s) -{ - int i; - char *e, eaddr[6]; - - /* turn string into mac value */ - for (i = 0; i < 6; i++) { - eaddr[i] = simple_strtoul(s, &e, 16); - s = (*e) ? e+1 : e; - } - - for (i = 0; i < 3; i++) - write_eeprom_reg(*(((u16 *)eaddr) + i), 0x20 + i); - - return 0; -} - -static int parse_element(char *s, unsigned char *buf, int len) -{ - int cnt; - char *p, num[3]; - unsigned char id; - - id = simple_strtoul(s, &p, 16); - if (*p++ != ':') - return -1; - cnt = 2; - num[2] = 0; - for (; *p; p += 2) { - if (p[1] == 0) - return -2; - if (cnt + 3 > len) - return -3; - num[0] = p[0]; - num[1] = p[1]; - buf[cnt++] = simple_strtoul(num, NULL, 16); - } - buf[0] = id; - buf[1] = cnt - 2; - - return cnt; -} - -int eeprom(int argc, char * const argv[]) -{ - int i, len, ret; - unsigned char buf[58], *p; - - app_startup(argv); - i = get_version(); - if (i != XF_VERSION) { - printf("Using ABI version %d, but U-Boot provides %d\n", - XF_VERSION, i); - return 1; - } - - if ((SMC_inw(&dev, BANK_SELECT) & 0xFF00) != 0x3300) { - puts("SMSC91111 not found\n"); - return 2; - } - - /* Called without parameters - print MAC address */ - if (argc < 2) { - verify_macaddr(NULL); - return 0; - } - - /* Print help message */ - if (argv[1][1] == 'h') { - puts("VoiceBlue EEPROM writer\n" - "Built: " U_BOOT_DATE " at " U_BOOT_TIME "\n" - "Usage:\n\t<mac_address> [<element_1>] [<...>]\n"); - return 0; - } - - /* Try to parse information elements */ - len = sizeof(buf); - p = buf; - for (i = 2; i < argc; i++) { - ret = parse_element(argv[i], p, len); - switch (ret) { - case -1: - printf("Element %d: malformed\n", i - 1); - return 3; - case -2: - printf("Element %d: odd character count\n", i - 1); - return 3; - case -3: - puts("Out of EEPROM memory\n"); - return 3; - default: - p += ret; - len -= ret; - } - } - - /* First argument (MAC) is mandatory */ - set_mac(argv[1]); - if (verify_macaddr(argv[1])) { - puts("*** HWaddr does not match! ***\n"); - return 4; - } - - while (len--) - *p++ = 0; - - write_data((u16 *)buf, sizeof(buf) >> 1); - - return 0; -} |