| return 800; // default freq for unknown types␊ |
| }␊ |
| ␊ |
| #define UIS(a) ((uint32_t)spd[a])␊ |
| #define SMST(a) ((uint8_t)((spd[a] & 0xf0) >> 4))␊ |
| #define SLST(a) ((uint8_t)(spd[a] & 0x0f))␊ |
| ␊ |
| /** Get DDR3 or DDR2 serial number, 0 most of the times, always return a valid ptr */␊ |
| const char *getDDRSerial(const char* spd)␊ |
| {␊ |
| static char asciiSerial[16];␊ |
| static uint8_t serialnum=0;␊ |
| uint32_t ret=0;␊ |
| ␊ |
| if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR3) {// DDR3␊ |
| ret = UIS(122) | (UIS(123)<<8) | (UIS(124)<<16) | ((UIS(125)&0x7f)<<24);␊ |
| ␊ |
| if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR3) // DDR3␊ |
| {␊ |
| ␉sprintf(asciiSerial, "%X%X%X%X%X%X%X%X", SMST(125) & 0x7, SLST(125), SMST(124), SLST(124), SMST(123), SLST(123), SMST(122), SLST(122));␊ |
| }␊ |
| else if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR2) { // DDR2 or DDR␊ |
| ret = UIS(95) | (UIS(96)<<8) | (UIS(97)<<16) | ((UIS(98)&0x7f)<<24);␊ |
| else if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR2) // DDR2 or DDR␊ |
| { ␊ |
| ␉sprintf(asciiSerial, "%X%X%X%X%X%X%X%X", SMST(98) & 0x7, SLST(98), SMST(97), SLST(97), SMST(96), SLST(96), SMST(95), SLST(95));␊ |
| }␊ |
| ␊ |
| if (!ret) sprintf(asciiSerial, "10000000%d", serialnum++); ␊ |
| else sprintf(asciiSerial, "%X", ret); ␊ |
| ␊ |
| ␉return strdup(asciiSerial);␊ |
| return strdup(asciiSerial);␊ |
| }␊ |
| ␊ |
| /** Get DDR3 or DDR2 Part Number, always return a valid ptr */␊ |
|
| ␉}␊ |
| ␉␊ |
| // Check that the spd part name is zero terminated and that it is ascii:␊ |
| ␉bzero(asciiPartNo, 32);␊ |
| bzero(asciiPartNo, sizeof(asciiPartNo));␊ |
| ␉char c;␊ |
| ␉for (i=start; i<start+32; i++) {␊ |
| ␉for (i=start; i < start + sizeof(asciiPartNo); i++) {␊ |
| ␉␉READ_SPD(spd, base, slot, i); // only read once the corresponding model part (ddr3 or ddr2)␊ |
| ␉␉c = spd[i];␊ |
| ␉␉if (isalpha(c) || isdigit(c) || ispunct(c)) // It seems that System Profiler likes only letters and digits...␊ |
