diff options
Diffstat (limited to 'board/freescale/common/sys_eeprom.c')
| -rw-r--r-- | board/freescale/common/sys_eeprom.c | 112 |
1 files changed, 71 insertions, 41 deletions
diff --git a/board/freescale/common/sys_eeprom.c b/board/freescale/common/sys_eeprom.c index bb91e67..44c0978 100644 --- a/board/freescale/common/sys_eeprom.c +++ b/board/freescale/common/sys_eeprom.c @@ -28,16 +28,19 @@ #include <linux/ctype.h> 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 */ + u8 id[4]; /* 0x0000 - 0x0003 EEPROM Tag */ + u8 sn[12]; /* 0x0004 - 0x000F Serial Number */ + u8 errata[5]; /* 0x0010 - 0x0014 Errata Level */ + u8 date[6]; /* 0x0015 - 0x001a Build Date */ + u8 res_0; /* 0x001b Reserved */ + u8 version[4]; /* 0x001c - 0x001f Version */ + u8 tempcal[8]; /* 0x0020 - 0x0027 Temperature Calibration Factors*/ + u8 tempcalsys[2]; /* 0x0028 - 0x0029 System Temperature Calibration Factors*/ + u8 res_1[22]; /* 0x0020 - 0x003f Reserved */ + u8 mac_size; /* 0x0040 Mac table size */ + u8 mac_flag; /* 0x0041 Mac table flags */ + u8 mac[8][6]; /* 0x0042 - 0x0071 Mac addresses */ + u32 crc; /* 0x0072 crc32 checksum */ } EEPROM_data; static EEPROM_data mac_data; @@ -45,28 +48,57 @@ static EEPROM_data mac_data; int mac_show(void) { int i; + u8 mac_size; unsigned char ethaddr[8][18]; + unsigned char enetvar[32]; + + /* Show EEPROM tagID, + * always the four characters 'NXID'. + */ + printf("ID "); + for (i = 0; i < 4; i++) + printf("%c", mac_data.id[i]); + printf("\n"); + + /* Show Serial number, + * 0 to 11 charaters of errata information. + */ + printf("SN "); + for (i = 0; i < 12; i++) + printf("%c", mac_data.sn[i]); + printf("\n"); - 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", + /* Show Errata Level, + * 0 to 4 characters of errata information. + */ + printf("Errata "); + for (i = 0; i < 5; i++) + printf("%c", mac_data.errata[i]); + printf("\n"); + + /* Show Build Date, + * BCD date values, as YYMMDDhhmmss. + */ + printf("Date 20%02x\/%02x\/%02x %02x:%02x:%02x\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++) { + mac_data.date[5]); + + /* Show MAC table size, + * Value from 0 to 7 indicating how many MAC + * addresses are stored in the system EEPROM. + */ + if((mac_data.mac_size > 0) && (mac_data.mac_size <= 8)) + mac_size = mac_data.mac_size; + else + mac_size = 8; /* Set the max size */ + printf("MACSIZE %x\n", mac_size); + + /* Show Mac addresses */ + for (i = 0; i < mac_size; i++) { sprintf((char *)ethaddr[i], "%02x:%02x:%02x:%02x:%02x:%02x", mac_data.mac[i][0], @@ -76,12 +108,12 @@ int mac_show(void) mac_data.mac[i][4], mac_data.mac[i][5]); printf("MAC %d %s\n", i, ethaddr[i]); - } - setenv("ethaddr", (char *)ethaddr[0]); - setenv("eth1addr", (char *)ethaddr[1]); - setenv("eth2addr", (char *)ethaddr[2]); - setenv("eth3addr", (char *)ethaddr[3]); + sprintf((char *)enetvar, + i ? "eth%daddr" : "ethaddr", i); + setenv((char *)enetvar, (char *)ethaddr[i]); + + } return 0; } @@ -120,17 +152,14 @@ int mac_prog(void) 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; + mac_data.res_0 = 0; + memset((void *)mac_data.res_1, 0, sizeof(mac_data.res_1)); + 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); + ret = i2c_write(dev, i, 1, ptr, min((length - i),8)); udelay(5000); /* 5ms write cycle timing */ if (ret) break; @@ -179,12 +208,13 @@ int do_mac(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) } break; case 'd': /* date */ - for (i = 0; i < 7; i++) { - mac_data.date[i] = argv[2][i]; + mac_val = simple_strtoull(argv[2], NULL, 16); + for (i = 0; i < 6; i++) { + mac_data.date[i] = (mac_val >> (40 - 8 * i)); } break; - case 'p': /* number of ports */ - mac_data.tab_size = + case 'p': /* mac table size */ + mac_data.mac_size = (unsigned char)simple_strtoul(argv[2], NULL, 16); break; case '0': /* mac 0 */ |