diff options
Diffstat (limited to 'board/mpc8641hpcn/sys_eeprom.c')
-rw-r--r-- | board/mpc8641hpcn/sys_eeprom.c | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/board/mpc8641hpcn/sys_eeprom.c b/board/mpc8641hpcn/sys_eeprom.c deleted file mode 100644 index 74e2a3d..0000000 --- a/board/mpc8641hpcn/sys_eeprom.c +++ /dev/null @@ -1,256 +0,0 @@ -/* - * Copyright 2006 Freescale Semiconductor - * York Sun (yorksun@freescale.com) - * Haiying Wang (haiying.wang@freescale.com) - * - * 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 as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * 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 - */ - -#include <common.h> -#include <command.h> -#include <i2c.h> -#include <linux/ctype.h> - -#ifdef CFG_ID_EEPROM -typedef struct { - unsigned char id[4]; /* 0x0000 - 0x0003 */ - unsigned char sn[12]; /* 0x0004 - 0x000F */ - unsigned char errata[5]; /* 0x0010 - 0x0014 */ - unsigned char date[7]; /* 0x0015 - 0x001a */ - unsigned char res_1[37]; /* 0x001b - 0x003f */ - unsigned char tab_size; /* 0x0040 */ - unsigned char tab_flag; /* 0x0041 */ - unsigned char mac[8][6]; /* 0x0042 - 0x0071 */ - unsigned char res_2[126]; /* 0x0072 - 0x00ef */ - unsigned int crc; /* 0x00f0 - 0x00f3 crc32 checksum */ -} EEPROM_data; - -static EEPROM_data mac_data; - -int mac_show(void) -{ - int i; - unsigned char ethaddr[8][18]; - - printf("ID %c%c%c%c\n", - mac_data.id[0], - mac_data.id[1], - mac_data.id[2], - mac_data.id[3]); - printf("Errata %c%c%c%c%c\n", - mac_data.errata[0], - mac_data.errata[1], - mac_data.errata[2], - mac_data.errata[3], - mac_data.errata[4]); - printf("Date %c%c%c%c%c%c%c\n", - mac_data.date[0], - mac_data.date[1], - mac_data.date[2], - mac_data.date[3], - mac_data.date[4], - mac_data.date[5], - mac_data.date[6]); - for (i = 0; i < 8; i++) { - sprintf(ethaddr[i], - "%02x:%02x:%02x:%02x:%02x:%02x", - mac_data.mac[i][0], - mac_data.mac[i][1], - mac_data.mac[i][2], - mac_data.mac[i][3], - mac_data.mac[i][4], - mac_data.mac[i][5]); - printf("MAC %d %s\n", i, ethaddr[i]); - } - - setenv("ethaddr", ethaddr[0]); - setenv("eth1addr", ethaddr[1]); - setenv("eth2addr", ethaddr[2]); - setenv("eth3addr", ethaddr[3]); - - return 0; -} - -int mac_read(void) -{ - int ret, length; - unsigned int crc = 0; - unsigned char dev = ID_EEPROM_ADDR, *data; - - length = sizeof(EEPROM_data); - ret = i2c_read(dev, 0, 1, (unsigned char *)(&mac_data), length); - if (ret) { - printf("Read failed.\n"); - return -1; - } - - data = (unsigned char *)(&mac_data); - printf("Check CRC on reading ..."); - crc = crc32(crc, data, length - 4); - if (crc != mac_data.crc) { - printf("CRC checksum is invalid, in EEPROM CRC is %x, calculated CRC is %x\n", - mac_data.crc, crc); - return -1; - } else { - printf("CRC OK\n"); - mac_show(); - } - return 0; -} - -int mac_prog(void) -{ - int ret, i, length; - unsigned int crc = 0; - unsigned char dev = ID_EEPROM_ADDR, *ptr; - unsigned char *eeprom_data = (unsigned char *)(&mac_data); - - for (i = 0; i < sizeof(mac_data.res_1); i++) - mac_data.res_1[i] = 0; - for (i = 0; i < sizeof(mac_data.res_2); i++) - mac_data.res_2[i] = 0; - length = sizeof(EEPROM_data); - crc = crc32(crc, eeprom_data, length - 4); - mac_data.crc = crc; - for (i = 0, ptr = eeprom_data; i < length; i += 8, ptr += 8) { - ret = - i2c_write(dev, i, 1, ptr, - (length - i) < 8 ? (length - i) : 8); - udelay(5000); /* 5ms write cycle timing */ - if (ret) - break; - } - if (ret) { - printf("Programming failed.\n"); - return -1; - } else { - printf("Programming %d bytes. Reading back ...\n", length); - mac_read(); - } - return 0; -} - -int do_mac(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) -{ - int i; - char cmd = 's'; - unsigned long long mac_val; - - if (i2c_probe(ID_EEPROM_ADDR) != 0) - return -1; - - if (argc > 1) { - cmd = argv[1][0]; - switch (cmd) { - case 'r': /* display */ - mac_read(); - break; - case 's': /* save */ - mac_prog(); - break; - case 'i': /* id */ - for (i = 0; i < 4; i++) { - mac_data.id[i] = argv[2][i]; - } - break; - case 'n': /* serial number */ - for (i = 0; i < 12; i++) { - mac_data.sn[i] = argv[2][i]; - } - break; - case 'e': /* errata */ - for (i = 0; i < 5; i++) { - mac_data.errata[i] = argv[2][i]; - } - break; - case 'd': /* date */ - for (i = 0; i < 7; i++) { - mac_data.date[i] = argv[2][i]; - } - break; - case 'p': /* number of ports */ - mac_data.tab_size = - (unsigned char)simple_strtoul(argv[2], NULL, 16); - break; - case '0': /* mac 0 */ - case '1': /* mac 1 */ - case '2': /* mac 2 */ - case '3': /* mac 3 */ - case '4': /* mac 4 */ - case '5': /* mac 5 */ - case '6': /* mac 6 */ - case '7': /* mac 7 */ - mac_val = simple_strtoull(argv[2], NULL, 16); - for (i = 0; i < 6; i++) { - mac_data.mac[cmd - '0'][i] = - *((unsigned char *) - (((unsigned int)(&mac_val)) + i + 2)); - } - break; - case 'h': /* help */ - default: - printf("Usage:\n%s\n", cmdtp->usage); - break; - } - } else { - mac_show(); - } - return 0; -} - -int mac_read_from_eeprom(void) -{ - int length, i; - unsigned char dev = ID_EEPROM_ADDR; - unsigned char *data; - unsigned char ethaddr[4][18]; - unsigned char enetvar[32]; - unsigned int crc = 0; - - length = sizeof(EEPROM_data); - if (i2c_read(dev, 0, 1, (unsigned char *)(&mac_data), length)) { - printf("Read failed.\n"); - return -1; - } - - data = (unsigned char *)(&mac_data); - crc = crc32(crc, data, length - 4); - if (crc != mac_data.crc) { - return -1; - } else { - for (i = 0; i < 4; i++) { - if (memcmp(&mac_data.mac[i], "\0\0\0\0\0\0", 6)) { - sprintf(ethaddr[i], - "%02x:%02x:%02x:%02x:%02x:%02x", - mac_data.mac[i][0], - mac_data.mac[i][1], - mac_data.mac[i][2], - mac_data.mac[i][3], - mac_data.mac[i][4], - mac_data.mac[i][5]); - sprintf(enetvar, - i ? "eth%daddr" : "ethaddr", - i); - setenv(enetvar, ethaddr[i]); - } - } - } - return 0; -} -#endif /* CFG_ID_EEPROM */ |