Lines Matching +full:- +full:e
3 * Copyright 2006, 2008-2009, 2011 Freescale Semiconductor
11 * SPDX-License-Identifier: GPL-2.0+
34 u8 id[4]; /* 0x00 - 0x03 EEPROM Tag 'NXID' */
35 u8 sn[12]; /* 0x04 - 0x0F Serial Number */
36 u8 errata[5]; /* 0x10 - 0x14 Errata Level */
37 u8 date[6]; /* 0x15 - 0x1a Build Date */
39 u32 version; /* 0x1c - 0x1f NXID Version */
40 u8 tempcal[8]; /* 0x20 - 0x27 Temperature Calibration Factors */
41 u8 tempcalsys[2]; /* 0x28 - 0x29 System Temperature Calibration Factors */
43 u8 res_1[21]; /* 0x2b - 0x3f Reserved */
46 u8 mac[MAX_NUM_PORTS][6]; /* 0x42 - x MAC addresses */
48 } e; variable
54 #define is_valid ((e.id[0] == 'N') || (e.id[1] == 'X') || \
55 (e.id[2] == 'I') || (e.id[3] == 'D'))
60 static int eeprom_bus_num = -1;
75 * show_eeprom - display the contents of the EEPROM
83 printf("ID: %c%c%c%c v%u\n", e.id[0], e.id[1], e.id[2], e.id[3], in show_eeprom()
84 be32_to_cpu(e.version)); in show_eeprom()
87 printf("SN: %s\n", e.sn); in show_eeprom()
95 printf("Errata: %s\n", e.errata); in show_eeprom()
99 e.date[0], e.date[1], e.date[2], in show_eeprom()
100 e.date[3] & 0x7F, e.date[4], e.date[5], in show_eeprom()
101 e.date[3] & 0x80 ? "PM" : ""); in show_eeprom()
104 for (i = 0; i < min(e.mac_count, (u8)MAX_NUM_PORTS); i++) { in show_eeprom()
105 u8 *p = e.mac[i]; in show_eeprom()
111 crc = crc32(0, (void *)&e, sizeof(e) - 4); in show_eeprom()
113 if (crc == be32_to_cpu(e.crc)) in show_eeprom()
114 printf("CRC: %08x\n", be32_to_cpu(e.crc)); in show_eeprom()
117 be32_to_cpu(e.crc), crc); in show_eeprom()
120 printf("EEPROM dump: (0x%x bytes)\n", sizeof(e)); in show_eeprom()
121 for (i = 0; i < sizeof(e); i++) { in show_eeprom()
124 printf("%02X ", ((u8 *)&e)[i]); in show_eeprom()
125 if (((i % 16) == 15) || (i == sizeof(e) - 1)) in show_eeprom()
132 * read_eeprom - read the EEPROM into memory
141 return -1; in read_eeprom()
151 (void *)&e, sizeof(e)); in read_eeprom()
169 * update_crc - update the CRC
178 crc = crc32(0, (void *)&e, crc_offset); in update_crc()
179 e.crc = cpu_to_be32(crc); in update_crc()
183 * prog_eeprom - write the EEPROM from memory
194 return -1; in prog_eeprom()
198 e.res_0 = 0xFF; in prog_eeprom()
199 memset(e.res_1, 0xFF, sizeof(e.res_1)); in prog_eeprom()
210 for (i = 0, p = &e; i < sizeof(e); i += 8, p += 8) { in prog_eeprom()
212 p, min((int)(sizeof(e) - i), 8)); in prog_eeprom()
224 if (!ret && memcmp(&e, &e2, sizeof(e))) in prog_eeprom()
225 ret = -1; in prog_eeprom()
233 return -1; in prog_eeprom()
241 * h2i - converts hex character into a number
243 * This function takes a hexadecimal character (e.g. '7' or 'C') and returns
249 return p - '0'; in h2i()
252 return (p - 'A') + 10; in h2i()
255 return (p - 'a') + 10; in h2i()
261 * set_date - stores the build date into the EEPROM
264 * (2-digit year, 2-digit month, etc), converts it to a 6-byte BCD string,
277 e.date[i] = h2i(string[2 * i]) << 4 | h2i(string[2 * i + 1]); in set_date()
283 * set_mac_address - stores a MAC address into the EEPROM
286 * (i.e."XX:XX:XX:XX:XX:XX", where "XX" is a two-digit hex number) and
300 e.mac[index][i] = simple_strtoul(p, &p, 16); in set_mac_address()
325 memcpy(e.id, "NXID", sizeof(e.id)); in do_mac()
326 e.version = NXID_VERSION; in do_mac()
352 memset(e.sn, 0, sizeof(e.sn)); in do_mac()
353 strncpy((char *)e.sn, argv[2], sizeof(e.sn) - 1); in do_mac()
356 case 'e': /* errata */ in do_mac()
357 memset(e.errata, 0, 5); in do_mac()
358 strncpy((char *)e.errata, argv[2], 4); in do_mac()
365 e.mac_count = simple_strtoul(argv[2], NULL, 16); in do_mac()
423 * mac_read_from_eeprom - read the MAC addresses from EEPROM
429 * This ensures that any user-saved variables are never overwritten.
433 * For NXID v1 EEPROMs, we support loading and up-converting the older NXID v0
452 e.id[0], e.id[1], e.id[2], e.id[3]); in mac_read_from_eeprom_common()
456 crc = crc32(0, (void *)&e, crc_offset); in mac_read_from_eeprom_common()
457 crcp = (void *)&e + crc_offset; in mac_read_from_eeprom_common()
460 be32_to_cpu(e.crc)); in mac_read_from_eeprom_common()
469 if (e.version == 0) in mac_read_from_eeprom_common()
470 memset(e.mac[8], 0xff, 6); in mac_read_from_eeprom_common()
472 for (i = 0; i < min(e.mac_count, (u8)MAX_NUM_PORTS); i++) { in mac_read_from_eeprom_common()
473 if (memcmp(&e.mac[i], "\0\0\0\0\0\0", 6) && in mac_read_from_eeprom_common()
474 memcmp(&e.mac[i], "\xFF\xFF\xFF\xFF\xFF\xFF", 6)) { in mac_read_from_eeprom_common()
479 e.mac[i][0], in mac_read_from_eeprom_common()
480 e.mac[i][1], in mac_read_from_eeprom_common()
481 e.mac[i][2], in mac_read_from_eeprom_common()
482 e.mac[i][3], in mac_read_from_eeprom_common()
483 e.mac[i][4], in mac_read_from_eeprom_common()
484 e.mac[i][5]); in mac_read_from_eeprom_common()
487 * (i.e. have not yet been set) in mac_read_from_eeprom_common()
494 printf("%c%c%c%c v%u\n", e.id[0], e.id[1], e.id[2], e.id[3], in mac_read_from_eeprom_common()
495 be32_to_cpu(e.version)); in mac_read_from_eeprom_common()