| }␊ |
| ␊ |
| // Get Vendor Name from spd, 2 cases handled DDR3 and DDR2,␊ |
| // have different formats, always return a valid ptr.*/␊ |
| // have different formats, always return a valid ptr.␊ |
| const char * getVendorName(RamSlotInfo_t* slot, uint32_t base, int slot_num)␊ |
| {␊ |
| ␉uint8_t bank = 0;␊ |
|
| /* Get DDR3 or DDR2 Part Number, always return a valid ptr */␊ |
| const char *getDDRPartNum(char *spd, uint32_t base, int slot)␊ |
| {␊ |
| ␉int i, start = 0, index = 0;␊ |
| ␉char c;␊ |
| ␉static char asciiPartNo[32];␊ |
| ␉int i, start=0, index = 0;␊ |
| ␊ |
| ␉if (spd[SPD_MEMORY_TYPE] == SPD_MEMORY_TYPE_SDRAM_DDR3)␊ |
| ␉{␊ |
|
| ␉␊ |
| ␉// Check that the spd part name is zero terminated and that it is ascii:␊ |
| ␉bzero(asciiPartNo, sizeof(asciiPartNo));␊ |
| ␉char c;␊ |
| ␉for (i = start; i < start + sizeof(asciiPartNo); i++)␊ |
| ␉{␊ |
| ␉␉READ_SPD(spd, base, slot, (uint8_t)i); // only read once the corresponding model part (ddr3 or ddr2)␊ |
|
| int mapping []= {0,2,1,3,4,6,5,7,8,10,9,11};␊ |
| ␊ |
| /* Read from smbus the SPD content and interpret it for detecting memory attributes */␊ |
| static void read_smb_intel(pci_dt_t *smbus_dev) {␊ |
| ␉int i, speed;␊ |
| ␉uint8_t spd_size, spd_type;␊ |
| ␉uint32_t base, mmio, hostc;␊ |
| //␉bool dump = false;␊ |
| ␉RamSlotInfo_t* slot;␊ |
| static void read_smb_intel(pci_dt_t *smbus_dev)␊ |
| {␊ |
| ␉int␉␉i, speed;␊ |
| ␉uint8_t␉␉spd_size, spd_type;␊ |
| ␉uint32_t␉base, mmio, hostc;␊ |
| ␉uint16_t␉cmd;␊ |
| //␉bool␉␉dump = false;␊ |
| ␉RamSlotInfo_t␉*slot;␊ |
| ␊ |
| ␉uint16_t cmd = pci_config_read16(smbus_dev->dev.addr, 0x04);␊ |
| ␉cmd = pci_config_read16(smbus_dev->dev.addr, 0x04);␊ |
| ␉DBG("SMBus CmdReg: 0x%x\n", cmd);␊ |
| ␉pci_config_write16(smbus_dev->dev.addr, 0x04, cmd | 1);␊ |
| ␊ |
|
| ␊ |
| ␉char spdbuf[MAX_SPD_SIZE];␊ |
| ␉// Search MAX_RAM_SLOTS slots␊ |
| ␉for (i = 0; i < MAX_RAM_SLOTS; i++) {␊ |
| ␉for (i = 0; i < MAX_RAM_SLOTS; i++)␊ |
| ␉{␊ |
| ␉␉slot = &Platform.RAM.DIMM[i];␊ |
| ␉␉spd_size = smb_read_byte_intel(base, 0x50 + i, 0);␊ |
| ␉␉DBG("SPD[0] (size): %d @0x%x\n", spd_size, 0x50 + i);␊ |
