Chameleon

Chameleon Commit Details

Date:2010-09-14 11:22:43 (10 years 2 months ago)
Author:Azimutz
Commit:526
Parents: 525
Message:Memory detection module...
Changes:
D/branches/azimutz/Chazi/i386/libsaio/mem.c
D/branches/azimutz/Chazi/i386/libsaio/dram_controllers.h
D/branches/azimutz/Chazi/i386/libsaio/mem.h
D/branches/azimutz/Chazi/i386/libsaio/spd.c
D/branches/azimutz/Chazi/i386/libsaio/spd.h
D/branches/azimutz/Chazi/i386/libsaio/dram_controllers.c
A/branches/azimutz/Chazi/i386/modules/Memory/mem.h
A/branches/azimutz/Chazi/i386/modules/Memory/spd.c
A/branches/azimutz/Chazi/i386/modules/Memory/spd.h
A/branches/azimutz/Chazi/i386/modules/Memory/Makefile
A/branches/azimutz/Chazi/i386/modules/Memory/Memory.c
A/branches/azimutz/Chazi/i386/modules/Memory/dram_controllers.c
A/branches/azimutz/Chazi/i386/modules/Memory/dram_controllers.h
A/branches/azimutz/Chazi/i386/modules/Memory/mem.c
A/branches/azimutz/Chazi/i386/modules/Memory
M/branches/azimutz/Chazi/i386/modules/Makefile
M/branches/azimutz/Chazi/i386/libsaio/platform.c
M/branches/azimutz/Chazi/i386/libsaio/pci_setup.c
M/branches/azimutz/Chazi/i386/libsaio/Makefile
M/branches/azimutz/Chazi/i386/modules/GraphicsEnabler/GraphicsEnabler.c
M/branches/azimutz/Chazi/i386/modules/Symbols/Makefile
M/branches/azimutz/Chazi/i386/modules/GraphicsEnabler/Makefile
M/branches/azimutz/Chazi/i386/boot2/modules.c

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branches/azimutz/Chazi/i386/libsaio/spd.c
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/*
* spd.c - serial presence detect memory information
*
* Originally restored from pcefi10.5
* Dynamic mem detection original impl. by Rekursor
* System profiler fix and other fixes by Mozodojo.
*/
//#include "libsaio.h" - included on the header.
//#include "saio_internal.h" - included on bootstruct.h
#include "bootstruct.h"
#include "pci.h"
#include "platform.h"
#include "spd.h"
#include "memvendors.h"
#ifndef DEBUG_SPD
#define DEBUG_SPD 0
#endif
#if DEBUG_SPD
#define DBG(x...)printf(x)
#else
#define DBG(x...)
#endif
static const char *spd_memory_types[] =
{
"RAM", /* 00h Undefined */
"FPM", /* 01h FPM */
"EDO", /* 02h EDO */
"",/* 03h PIPELINE NIBBLE */
"SDRAM", /* 04h SDRAM */
"",/* 05h MULTIPLEXED ROM */
"DDR SGRAM",/* 06h SGRAM DDR */
"DDR SDRAM",/* 07h SDRAM DDR */
"DDR2 SDRAM", /* 08h SDRAM DDR 2 */
"",/* 09h Undefined */
"",/* 0Ah Undefined */
"DDR3 SDRAM" /* 0Bh SDRAM DDR 3 */
};
#define UNKNOWN_MEM_TYPE 2
static uint8_t spd_mem_to_smbios[] =
{
UNKNOWN_MEM_TYPE, /* 00h Undefined */
UNKNOWN_MEM_TYPE, /* 01h FPM */
UNKNOWN_MEM_TYPE, /* 02h EDO */
UNKNOWN_MEM_TYPE, /* 03h PIPELINE NIBBLE */
SMB_MEM_TYPE_SDRAM, /* 04h SDRAM */
SMB_MEM_TYPE_ROM, /* 05h MULTIPLEXED ROM */
SMB_MEM_TYPE_SGRAM, /* 06h SGRAM DDR */
SMB_MEM_TYPE_DDR, /* 07h SDRAM DDR */
SMB_MEM_TYPE_DDR2, /* 08h SDRAM DDR 2 */
UNKNOWN_MEM_TYPE, /* 09h Undefined */
UNKNOWN_MEM_TYPE, /* 0Ah Undefined */
SMB_MEM_TYPE_DDR3 /* 0Bh SDRAM DDR 3 */
};
#define SPD_TO_SMBIOS_SIZE (sizeof(spd_mem_to_smbios)/sizeof(uint8_t))
#define rdtsc(low,high) \
__asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high))
#define SMBHSTSTS 0
#define SMBHSTCNT 2
#define SMBHSTCMD 3
#define SMBHSTADD 4
#define SMBHSTDAT 5
#define SBMBLKDAT 7
/** Read one byte from the intel i2c, used for reading SPD on intel chipsets only. */
unsigned char smb_read_byte_intel(uint32_t base, uint8_t adr, uint8_t cmd)
{
int l1, h1, l2, h2;
unsigned long long t;
outb(base + SMBHSTSTS, 0x1f);// reset SMBus Controller
outb(base + SMBHSTDAT, 0xff);
while( inb(base + SMBHSTSTS) & 0x01);// wait until ready
outb(base + SMBHSTCMD, cmd);
outb(base + SMBHSTADD, (adr << 1) | 0x01 );
outb(base + SMBHSTCNT, 0x48 );
rdtsc(l1, h1);
while (!( inb(base + SMBHSTSTS) & 0x02))// wait til command finished
{
rdtsc(l2, h2);
t = ((h2 - h1) * 0xffffffff + (l2 - l1)) / (Platform.CPU.TSCFrequency / 100);
if (t > 5)
break;// break after 5ms
}
return inb(base + SMBHSTDAT);
}
/* SPD i2c read optimization: prefetch only what we need, read non prefetcheable bytes on the fly */
#define READ_SPD(spd, base, slot, x) spd[x] = smb_read_byte_intel(base, 0x50 + slot, x)
int spd_indexes[] = {
SPD_MEMORY_TYPE,
SPD_DDR3_MEMORY_BANK,
SPD_DDR3_MEMORY_CODE,
SPD_NUM_ROWS,
SPD_NUM_COLUMNS,
SPD_NUM_DIMM_BANKS,
SPD_NUM_BANKS_PER_SDRAM,
4,7,8,9,12,64, /* TODO: give names to these values */
95,96,97,98, 122,123,124,125 /* UIS */
};
#define SPD_INDEXES_SIZE (sizeof(spd_indexes) / sizeof(int))
/** Read from spd *used* values only*/
static void init_spd(char * spd, uint32_t base, int slot)
{
int i;
for (i=0; i< SPD_INDEXES_SIZE; i++) {
READ_SPD(spd, base, slot, spd_indexes[i]);
}
}
/** Get Vendor Name from spd, 2 cases handled DDR3 and DDR2,
have different formats, always return a valid ptr.*/
const char * getVendorName(RamSlotInfo_t* slot, uint32_t base, int slot_num)
{
uint8_t bank = 0;
uint8_t code = 0;
int i = 0;
uint8_t * spd = (uint8_t *) slot->spd;
if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR3) { // DDR3
bank = (spd[SPD_DDR3_MEMORY_BANK] & 0x07f); // constructors like Patriot use b7=1
code = spd[SPD_DDR3_MEMORY_CODE];
for (i=0; i < VEN_MAP_SIZE; i++)
if (bank==vendorMap[i].bank && code==vendorMap[i].code)
return vendorMap[i].name;
}
else if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR2) {
if(spd[64]==0x7f) {
for (i=64; i<72 && spd[i]==0x7f;i++) {
bank++;
READ_SPD(spd, base, slot_num,i+1); // prefetch next spd byte to read for next loop
}
READ_SPD(spd, base, slot_num,i);
code = spd[i];
} else {
code = spd[64];
bank = 0;
}
for (i=0; i < VEN_MAP_SIZE; i++)
if (bank==vendorMap[i].bank && code==vendorMap[i].code)
return vendorMap[i].name;
}
/* OK there is no vendor id here lets try to match the partnum if it exists */
if (strstr(slot->PartNo,"GU332") == slot->PartNo) // Unifosa fingerprint
return "Unifosa";
return "NoName";
}
/** Get Default Memory Module Speed (no overclocking handled) */
int getDDRspeedMhz(const char * spd)
{
if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR3) {
switch(spd[12]) {
case 0x0f:
return 1066;
case 0x0c:
return 1333;
case 0x0a:
return 1600;
case 0x14:
default:
return 800;
}
}
else if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR2) {
switch(spd[9]) {
case 0x50:
return 400;
case 0x3d:
return 533;
case 0x30:
return 667;
case 0x25:
default:
return 800;
}
}
return 800; // default freq for unknown types
}
#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];
if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR3) // DDR3
{
sprintf(asciiSerial, "%X%X%X%X%X%X%X%X", SMST(122) /*& 0x7*/, SLST(122), SMST(123), SLST(123), SMST(124), SLST(124), SMST(125), SLST(125));
}
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(95) /*& 0x7*/, SLST(95), SMST(96), SLST(96), SMST(97), SLST(97), SMST(98), SLST(98));
}
return strdup(asciiSerial);
}
/** Get DDR3 or DDR2 Part Number, always return a valid ptr */
const char * getDDRPartNum(char* spd, uint32_t base, int slot)
{
static char asciiPartNo[32];
int i, start=0, index = 0;
if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR3) {
start = 128;
}
else if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR2) {
start = 73;
}
// 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, 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...
asciiPartNo[index++] = c;
if (isspace(c)) //Azi: this is the way that works properly for me!! The other gives me extra characters.
break;
}
return strdup(asciiPartNo);
return NULL;
}
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;
bool dump = false;
RamSlotInfo_t* slot;
base = pci_config_read16(smbus_dev->dev.addr, 0x20) & 0xFFFE;
DBG("Scanning smbus_dev <%04x, %04x> ...\n",smbus_dev->vendor_id, smbus_dev->device_id);
getBoolForKey("DumpSPD", &dump, &bootInfo->bootConfig);
bool fullBanks = // needed at least for laptops
Platform.DMI.MemoryModules == Platform.DMI.MaxMemorySlots;
// Search MAX_RAM_SLOTS slots
char spdbuf[256];
for (i = 0; i < MAX_RAM_SLOTS; i++){
slot = &Platform.RAM.DIMM[i];
spd_size = smb_read_byte_intel(base, 0x50 + i, 0);
// Check spd is present
if (spd_size && (spd_size != 0xff) ) {
slot->spd = spdbuf;
slot->InUse = true;
bzero(slot->spd, spd_size);
// Copy spd data into buffer
//for (x = 0; x < spd_size; x++) slot->spd[x] = smb_read_byte_intel(base, 0x50 + i, x);
init_spd(slot->spd, base, i);
switch (slot->spd[SPD_MEMORY_TYPE]) {
case SPD_MEMORY_TYPE_SDRAM_DDR2:
slot->ModuleSize = ((1 << (slot->spd[SPD_NUM_ROWS] & 0x0f) + (slot->spd[SPD_NUM_COLUMNS] & 0x0f) - 17) *
((slot->spd[SPD_NUM_DIMM_BANKS] & 0x7) + 1) * slot->spd[SPD_NUM_BANKS_PER_SDRAM]);
break;
case SPD_MEMORY_TYPE_SDRAM_DDR3:
slot->ModuleSize = ((slot->spd[4] & 0x0f) + 28 ) + ((slot->spd[8] & 0x7) + 3 );
slot->ModuleSize -= (slot->spd[7] & 0x7) + 25;
slot->ModuleSize = ((1 << slot->ModuleSize) * (((slot->spd[7] >> 3) & 0x1f) + 1));
break;
}
spd_type = (slot->spd[SPD_MEMORY_TYPE] < ((char) 12) ? slot->spd[SPD_MEMORY_TYPE] : 0);
slot->Type = spd_mem_to_smbios[spd_type];
slot->PartNo = getDDRPartNum(slot->spd, base, i);
slot->Vendor = getVendorName(slot, base, i);
slot->SerialNo = getDDRSerial(slot->spd);
// determine spd speed
speed = getDDRspeedMhz(slot->spd);
if (slot->Frequency<speed) slot->Frequency = speed;
// pci memory controller if available, is more reliable
if (Platform.RAM.Frequency > 0) {
uint32_t freq = (uint32_t)Platform.RAM.Frequency / 500000;
// now round off special cases
uint32_t fmod100 = freq %100;
switch(fmod100) {
case 1:freq--;break;
case 32:freq++;break;
case 65:freq++; break;
case 98:freq+=2;break;
case 99:freq++; break;
}
slot->Frequency = freq;
}
verbose("Slot: %d Type %d %dMB (%s) %dMHz Vendor=%s\n PartNo=%s SerialNo=%s\n",
i,
(int)slot->Type,
slot->ModuleSize,
spd_memory_types[spd_type],
slot->Frequency,
slot->Vendor,
slot->PartNo,
slot->SerialNo);
if(DEBUG_SPD) {
dumpPhysAddr("spd content: ",slot->spd, spd_size);
getc();
}
}
// laptops sometimes show slot 0 and 2 with slot 1 empty when only 2 slots are presents so:
Platform.DMI.DIMM[i]=
i>0 && Platform.RAM.DIMM[1].InUse==false && fullBanks && Platform.DMI.MaxMemorySlots==2 ?
mapping[i] : i; // for laptops case, mapping setup would need to be more generic than this
slot->spd = NULL;
} // for
}
static struct smbus_controllers_t smbus_controllers[] = {
{0x8086, 0x269B, "ESB2", read_smb_intel },
{0x8086, 0x25A4, "6300ESB", read_smb_intel },
{0x8086, 0x24C3, "ICH4", read_smb_intel },
{0x8086, 0x24D3, "ICH5", read_smb_intel },
{0x8086, 0x266A, "ICH6", read_smb_intel },
{0x8086, 0x27DA, "ICH7", read_smb_intel },
{0x8086, 0x283E, "ICH8", read_smb_intel },
{0x8086, 0x2930, "ICH9", read_smb_intel },
{0x8086, 0x3A30, "ICH10R", read_smb_intel },
{0x8086, 0x3A60, "ICH10B", read_smb_intel },
{0x8086, 0x3B30, "P55", read_smb_intel },
{0x8086, 0x5032, "EP80579", read_smb_intel }
};
// initial call : pci_dt = root_pci_dev;
// find_and_read_smbus_controller(root_pci_dev);
bool find_and_read_smbus_controller(pci_dt_t* pci_dt)
{
pci_dt_t*current = pci_dt;
int i;
while (current) {
#if 0
printf("%02x:%02x.%x [%04x] [%04x:%04x] :: %s\n",
current->dev.bits.bus, current->dev.bits.dev, current->dev.bits.func,
current->class_id, current->vendor_id, current->device_id,
get_pci_dev_path(current));
#endif
for ( i = 0; i < sizeof(smbus_controllers) / sizeof(smbus_controllers[0]); i++ )
{
if (current->vendor_id == smbus_controllers[i].vendor &&
current->device_id == smbus_controllers[i].device)
{
smbus_controllers[i].read_smb(current); // read smb
return true;
}
}
find_and_read_smbus_controller(current->children);
current = current->next;
}
return false; // not found
}
void scan_spd(PlatformInfo_t *p)
{
find_and_read_smbus_controller(root_pci_dev);
}
branches/azimutz/Chazi/i386/libsaio/spd.h
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/*
* Copyright 2010 AsereBLN. All rights reserved. <aserebln@googlemail.com>
*
* spd.h
*/
#ifndef __LIBSAIO_SPD_H
#define __LIBSAIO_SPD_H
//#include "libsaio.h"
#include "platform.h"
#include "io_inline.h"
void scan_spd(PlatformInfo_t *p);
struct smbus_controllers_t {
uint32_tvendor;
uint32_tdevice;
char*name;
void (*read_smb)(pci_dt_t *smbus_dev);
};
/*
* Serial Presence Detect (SPD) data stored on SDRAM modules.
*
* Datasheet:
* - Name: PC SDRAM Serial Presence Detect (SPD) Specification
* Revision 1.2A, December, 1997
* - PDF: http://www.intel.com/design/chipsets/memory/spdsd12a.pdf
*
* Datasheet (alternative):
* - Name: SERIAL PRESENCE DETECT STANDARD, General Standard
* JEDEC Standard No. 21-C
* - PDF: http://www.jedec.org/download/search/4_01_02_00R9.PDF
*/
/* Byte numbers. */
#define SPD_NUM_MANUFACTURER_BYTES 0 /* Number of bytes used by module manufacturer */
#define SPD_TOTAL_SPD_MEMORY_SIZE 1 /* Total SPD memory size */
#define SPD_MEMORY_TYPE 2 /* (Fundamental) memory type */
#define SPD_NUM_ROWS 3 /* Number of row address bits */
#define SPD_NUM_COLUMNS 4 /* Number of column address bits */
#define SPD_NUM_DIMM_BANKS 5 /* Number of module rows (banks) */
#define SPD_MODULE_DATA_WIDTH_LSB 6 /* Module data width (LSB) */
#define SPD_MODULE_DATA_WIDTH_MSB 7 /* Module data width (MSB) */
#define SPD_MODULE_VOLTAGE 8 /* Module interface signal levels */
#define SPD_MIN_CYCLE_TIME_AT_CAS_MAX 9 /* SDRAM cycle time (highest CAS latency), RAS access time (tRAC) */
#define SPD_ACCESS_TIME_FROM_CLOCK 10 /* SDRAM access time from clock (highest CAS latency), CAS access time (Tac, tCAC) */
#define SPD_DIMM_CONFIG_TYPE 11 /* Module configuration type */
#define SPD_REFRESH 12 /* Refresh rate/type */
#define SPD_PRIMARY_SDRAM_WIDTH 13 /* SDRAM width (primary SDRAM) */
#define SPD_ERROR_CHECKING_SDRAM_WIDTH 14 /* Error checking SDRAM (data) width */
#define SPD_MIN_CLOCK_DELAY_B2B_RAND_COLUMN 15 /* SDRAM device attributes, minimum clock delay for back to back random column */
#define SPD_SUPPORTED_BURST_LENGTHS 16 /* SDRAM device attributes, burst lengths supported */
#define SPD_NUM_BANKS_PER_SDRAM 17 /* SDRAM device attributes, number of banks on SDRAM device */
#define SPD_ACCEPTABLE_CAS_LATENCIES 18 /* SDRAM device attributes, CAS latency */
#define SPD_CS_LATENCY 19 /* SDRAM device attributes, CS latency */
#define SPD_WE_LATENCY 20 /* SDRAM device attributes, WE latency */
#define SPD_MODULE_ATTRIBUTES 21 /* SDRAM module attributes */
#define SPD_DEVICE_ATTRIBUTES_GENERAL 22 /* SDRAM device attributes, general */
#define SPD_SDRAM_CYCLE_TIME_2ND 23 /* SDRAM cycle time (2nd highest CAS latency) */
#define SPD_ACCESS_TIME_FROM_CLOCK_2ND 24 /* SDRAM access from clock (2nd highest CAS latency) */
#define SPD_SDRAM_CYCLE_TIME_3RD 25 /* SDRAM cycle time (3rd highest CAS latency) */
#define SPD_ACCESS_TIME_FROM_CLOCK_3RD 26 /* SDRAM access from clock (3rd highest CAS latency) */
#define SPD_MIN_ROW_PRECHARGE_TIME 27 /* Minimum row precharge time (Trp) */
#define SPD_MIN_ROWACTIVE_TO_ROWACTIVE 28 /* Minimum row active to row active (Trrd) */
#define SPD_MIN_RAS_TO_CAS_DELAY 29 /* Minimum RAS to CAS delay (Trcd) */
#define SPD_MIN_ACTIVE_TO_PRECHARGE_DELAY 30 /* Minimum RAS pulse width (Tras) */
#define SPD_DENSITY_OF_EACH_ROW_ON_MODULE 31 /* Density of each row on module */
#define SPD_CMD_SIGNAL_INPUT_SETUP_TIME 32 /* Command and address signal input setup time */
#define SPD_CMD_SIGNAL_INPUT_HOLD_TIME 33 /* Command and address signal input hold time */
#define SPD_DATA_SIGNAL_INPUT_SETUP_TIME 34 /* Data signal input setup time */
#define SPD_DATA_SIGNAL_INPUT_HOLD_TIME 35 /* Data signal input hold time */
#define SPD_WRITE_RECOVERY_TIME 36 /* Write recovery time (tWR) */
#define SPD_INT_WRITE_TO_READ_DELAY 37 /* Internal write to read command delay (tWTR) */
#define SPD_INT_READ_TO_PRECHARGE_DELAY 38 /* Internal read to precharge command delay (tRTP) */
#define SPD_MEM_ANALYSIS_PROBE_PARAMS 39 /* Memory analysis probe characteristics */
#define SPD_BYTE_41_42_EXTENSION 40 /* Extension of byte 41 (tRC) and byte 42 (tRFC) */
#define SPD_MIN_ACT_TO_ACT_AUTO_REFRESH 41 /* Minimum active to active auto refresh (tRCmin) */
#define SPD_MIN_AUTO_REFRESH_TO_ACT 42 /* Minimum auto refresh to active/auto refresh (tRFC) */
#define SPD_MAX_DEVICE_CYCLE_TIME 43 /* Maximum device cycle time (tCKmax) */
#define SPD_MAX_DQS_DQ_SKEW 44 /* Maximum skew between DQS and DQ (tDQSQ) */
#define SPD_MAX_READ_DATAHOLD_SKEW 45 /* Maximum read data-hold skew factor (tQHS) */
#define SPD_PLL_RELOCK_TIME 46 /* PLL relock time */
#define SPD_SPD_DATA_REVISION_CODE 62 /* SPD data revision code */
#define SPD_CHECKSUM_FOR_BYTES_0_TO_62 63 /* Checksum for bytes 0-62 */
#define SPD_MANUFACTURER_JEDEC_ID_CODE 64 /* Manufacturer's JEDEC ID code, per EIA/JEP106 (bytes 64-71) */
#define SPD_MANUFACTURING_LOCATION 72 /* Manufacturing location */
#define SPD_MANUFACTURER_PART_NUMBER 73 /* Manufacturer's part number, in 6-bit ASCII (bytes 73-90) */
#define SPD_REVISION_CODE 91 /* Revision code (bytes 91-92) */
#define SPD_MANUFACTURING_DATE 93 /* Manufacturing date (byte 93: year, byte 94: week) */
#define SPD_ASSEMBLY_SERIAL_NUMBER 95 /* Assembly serial number (bytes 95-98) */
#define SPD_MANUFACTURER_SPECIFIC_DATA 99 /* Manufacturer specific data (bytes 99-125) */
#define SPD_INTEL_SPEC_FOR_FREQUENCY 126 /* Intel specification for frequency */
#define SPD_INTEL_SPEC_100_MHZ 127 /* Intel specification details for 100MHz support */
#define SPD_DDR3_MEMORY_BANK 0x75
#define SPD_DDR3_MEMORY_CODE 0x76
/* DRAM specifications use the following naming conventions for SPD locations */
#define SPD_tRP SPD_MIN_ROW_PRECHARGE_TIME
#define SPD_tRRD SPD_MIN_ROWACTIVE_TO_ROWACTIVE
#define SPD_tRCD SPD_MIN_RAS_TO_CAS_DELAY
#define SPD_tRAS SPD_MIN_ACTIVE_TO_PRECHARGE_DELAY
#define SPD_BANK_DENSITY SPD_DENSITY_OF_EACH_ROW_ON_MODULE
#define SPD_ADDRESS_CMD_HOLD SPD_CMD_SIGNAL_INPUT_HOLD_TIME
#define SPD_tRC41/* SDRAM Device Minimum Active to Active/Auto Refresh Time (tRC) */
#define SPD_tRFC42/* SDRAM Device Minimum Auto Refresh to Active/Auto Refresh (tRFC) */
/* SPD_MEMORY_TYPE values. */
#define SPD_MEMORY_TYPE_FPM_DRAM1
#define SPD_MEMORY_TYPE_EDO2
#define SPD_MEMORY_TYPE_PIPELINED_NIBBLE3
#define SPD_MEMORY_TYPE_SDRAM4
#define SPD_MEMORY_TYPE_MULTIPLEXED_ROM5
#define SPD_MEMORY_TYPE_SGRAM_DDR6
#define SPD_MEMORY_TYPE_SDRAM_DDR7
#define SPD_MEMORY_TYPE_SDRAM_DDR28
#define SPD_MEMORY_TYPE_SDRAM_DDR30xb
/* SPD_MODULE_VOLTAGE values. */
#define SPD_VOLTAGE_TTL0 /* 5.0 Volt/TTL */
#define SPD_VOLTAGE_LVTTL1 /* LVTTL */
#define SPD_VOLTAGE_HSTL2 /* HSTL 1.5 */
#define SPD_VOLTAGE_SSTL33 /* SSTL 3.3 */
#define SPD_VOLTAGE_SSTL24 /* SSTL 2.5 */
/* SPD_DIMM_CONFIG_TYPE values. */
#define ERROR_SCHEME_NONE0
#define ERROR_SCHEME_PARITY1
#define ERROR_SCHEME_ECC2
/* SPD_ACCEPTABLE_CAS_LATENCIES values. */
// TODO: Check values.
#define SPD_CAS_LATENCY_1_00x01
#define SPD_CAS_LATENCY_1_50x02
#define SPD_CAS_LATENCY_2_00x04
#define SPD_CAS_LATENCY_2_50x08
#define SPD_CAS_LATENCY_3_00x10
#define SPD_CAS_LATENCY_3_50x20
#define SPD_CAS_LATENCY_4_00x40
#define SPD_CAS_LATENCY_DDR2_3(1 << 3)
#define SPD_CAS_LATENCY_DDR2_4(1 << 4)
#define SPD_CAS_LATENCY_DDR2_5(1 << 5)
#define SPD_CAS_LATENCY_DDR2_6(1 << 6)
/* SPD_SUPPORTED_BURST_LENGTHS values. */
#define SPD_BURST_LENGTH_11
#define SPD_BURST_LENGTH_22
#define SPD_BURST_LENGTH_44
#define SPD_BURST_LENGTH_88
#define SPD_BURST_LENGTH_PAGE(1 << 7)
/* SPD_MODULE_ATTRIBUTES values. */
#define MODULE_BUFFERED1
#define MODULE_REGISTERED2
#endif /* !__LIBSAIO_SPD_H */
branches/azimutz/Chazi/i386/libsaio/mem.c
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/*
* Copyright 2010 AsereBLN. All rights reserved. <aserebln@googlemail.com>
*
* mem.c - obtain system memory information
*/
//#include "libsaio.h" - included on pci.h for now.
#include "pci.h"
#include "platform.h"
#include "cpu.h"
#include "mem.h"
#include "smbios_patcher.h"
#ifndef DEBUG_MEM
#define DEBUG_MEM 0
#endif
#if DEBUG_MEM
#define DBG(x...)printf(x)
#else
#define DBG(x...)
#endif
#define DC(c) (c >= 0x20 && c < 0x7f ? (char) c : '.')
#define STEP 16
void dumpPhysAddr(const char * title, void * a, int len)
{
int i,j;
u_int8_t* ad = (u_int8_t*) a;
char buffer[80];
char str[16];
if(ad==NULL) return;
printf("%s addr=0x%08x len=%04d\n",title ? title : "Dump of ", a, len);
printf("Ofs-00-01-02-03-04-05-06-07-08-09-0A-0B-0C-0D-0E-0F ASCII\n");
i = (len/STEP)*STEP;
for (j=0; j < i; j+=STEP)
{
printf("%02x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n",
j,
ad[j], ad[j+1], ad[j+2], ad[j+3] , ad[j+4], ad[j+5], ad[j+6], ad[j+7],
ad[j+8], ad[j+9], ad[j+10], ad[j+11] , ad[j+12], ad[j+13], ad[j+14], ad[j+15],
DC(ad[j]), DC(ad[j+1]), DC(ad[j+2]), DC(ad[j+3]) , DC(ad[j+4]), DC(ad[j+5]), DC(ad[j+6]), DC(ad[j+7]),
DC(ad[j+8]), DC(ad[j+9]), DC(ad[j+10]), DC(ad[j+11]) , DC(ad[j+12]), DC(ad[j+13]), DC(ad[j+14]), DC(ad[j+15])
);
}
if (len%STEP==0) return;
sprintf(buffer,"%02x:", i);
for (j=0; j < STEP; j++) {
if (j<(len%STEP))
sprintf(str, " %02x", ad[i+j]);
else
strcpy(str, " " );
strncat(buffer, str, sizeof(buffer));
}
strncat(buffer," ", sizeof(buffer));
for (j=0; j < (len%STEP); j++) {
sprintf(str, "%c", DC(ad[i+j]));
strncat(buffer, str, sizeof(buffer));
}
printf("%s\n",buffer);
}
void dumpAllTablesOfType(int i)
{
char title[32];
struct DMIHeader * dmihdr;
for(dmihdr = FindFirstDmiTableOfType(i, 4);
dmihdr;
dmihdr = FindNextDmiTableOfType(i, 4)) {
sprintf(title,"Table (type %d) :" , i);
dumpPhysAddr(title, dmihdr, dmihdr->length+32);
}
}
const char * getDMIString(struct DMIHeader * dmihdr, uint8_t strNum)
{
const char * ret =NULL;
const char * startAddr = (const char *) dmihdr;
const char * limit = NULL;
if (!dmihdr || dmihdr->length<4 || strNum==0) return NULL;
startAddr += dmihdr->length;
limit = startAddr + 256;
for(; strNum; strNum--) {
if ((*startAddr)==0 && *(startAddr+1)==0) break;
if (*startAddr && strNum<=1) {
ret = startAddr; // current str
break;
}
while(*startAddr && startAddr<limit) startAddr++;
if (startAddr==limit) break; // no terminator found
else if((*startAddr==0) && *(startAddr+1)==0) break;
else startAddr++;
}
return ret;
}
void scan_memory(PlatformInfo_t *p)
{
int i=0;
struct DMIHeader * dmihdr = NULL;
struct DMIMemoryModuleInfo* memInfo[MAX_RAM_SLOTS]; // 6
struct DMIPhysicalMemoryArray* physMemArray; // 16
struct DMIMemoryDevice* memDev[MAX_RAM_SLOTS]; //17
/* We mainly don't use obsolete tables 5,6 because most of computers don't handle it anymore */
Platform.DMI.MemoryModules = 0;
/* Now lets peek info rom table 16,17 as for some bios, table 5 & 6 are not used */
physMemArray = (struct DMIPhysicalMemoryArray*) FindFirstDmiTableOfType(16, 4);
Platform.DMI.MaxMemorySlots = physMemArray ? physMemArray->numberOfMemoryDevices : 0;
i = 0;
for(dmihdr = FindFirstDmiTableOfType(17, 4);
dmihdr;
dmihdr = FindNextDmiTableOfType(17, 4) ) {
memDev[i] = (struct DMIMemoryDevice*) dmihdr;
if (memDev[i]->size !=0 ) Platform.DMI.MemoryModules++;
if (memDev[i]->speed>0) Platform.RAM.DIMM[i].Frequency = memDev[i]->speed; // take it here for now but we'll check spd and dmi table 6 as well
i++;
}
// for table 6, we only have a look at the current speed
i = 0;
for(dmihdr = FindFirstDmiTableOfType(6, 4);
dmihdr;
dmihdr = FindNextDmiTableOfType(6, 4) ) {
memInfo[i] = (struct DMIMemoryModuleInfo*) dmihdr;
if (memInfo[i]->currentSpeed > Platform.RAM.DIMM[i].Frequency)
Platform.RAM.DIMM[i].Frequency = memInfo[i]->currentSpeed; // favor real overclocked speed if any
i++;
}
#if 0
dumpAllTablesOfType(17);
getc();
#endif
}
branches/azimutz/Chazi/i386/libsaio/mem.h
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/*
* Copyright 2010 AsereBLN. All rights reserved. <aserebln@googlemail.com>
*
* mem.h
*/
#ifndef __LIBSAIO_MEM_H
#define __LIBSAIO_MEM_H
#include "platform.h"
extern void scan_memory(PlatformInfo_t *);
#endif/* __LIBSAIO_MEM_H */
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/*
* dram controller access and scan from the pci host controller
* Integrated and adapted for chameleon 2.0 RC5 by Rekursor from bs0d work
* original source comes from:
*
* memtest86
*
* Released under version 2 of the Gnu Public License.
* By Chris Brady, cbrady@sgi.com
* ----------------------------------------------------
* MemTest86+ V4.00 Specific code (GPL V2.0)
* By Samuel DEMEULEMEESTER, sdemeule@memtest.org
* http://www.canardpc.com - http://www.memtest.org
*/
//#include "libsaio.h" - included on the header.
#include "bootstruct.h"
#include "pci.h"
#include "platform.h"
#include "dram_controllers.h"
#ifndef DEBUG_DRAM
#define DEBUG_DRAM 0
#endif
#if DEBUG_DRAM
#define DBG(x...) printf(x)
#else
#define DBG(x...)
#endif
/*
* Initialise memory controller functions
*/
// Setup P35 Memory Controller
static void setup_p35(pci_dt_t *dram_dev)
{
uint32_t dev0;
// Activate MMR I/O
dev0 = pci_config_read32(dram_dev->dev.addr, 0x48);
if (!(dev0 & 0x1))
pci_config_write8(dram_dev->dev.addr, 0x48, (dev0 | 1));
}
int nhm_bus = 0x3F;
// Setup Nehalem Integrated Memory Controller
static void setup_nhm(pci_dt_t *dram_dev)
{
static long possible_nhm_bus[] = {0xFF, 0x7F, 0x3F};
unsigned long did, vid;
int i;
// Nehalem supports Scrubbing
// First, locate the PCI bus where the MCH is located
for(i = 0; i < sizeof(possible_nhm_bus); i++)
{
vid = pci_config_read16(PCIADDR(possible_nhm_bus[i], 3, 4), 0x00);
did = pci_config_read16(PCIADDR(possible_nhm_bus[i], 3, 4), 0x02);
vid &= 0xFFFF;
did &= 0xFF00;
if(vid == 0x8086 && did >= 0x2C00)
nhm_bus = possible_nhm_bus[i];
}
}
/*
* Retrieve memory controller fsb functions
*/
// Get i965 Memory Speed
static void get_fsb_i965(pci_dt_t *dram_dev)
{
uint32_t dev0, mch_ratio, mch_cfg, mch_fsb;
long *ptr;
// Find Ratio
dev0 = pci_config_read32(dram_dev->dev.addr, 0x48);
dev0 &= 0xFFFFC000;
ptr = (long*)(dev0 + 0xC00);
mch_cfg = *ptr & 0xFFFF;
mch_ratio = 100000;
switch (mch_cfg & 7)
{
case 0: mch_fsb = 1066; break;
case 1: mch_fsb = 533; break;
default:
case 2: mch_fsb = 800; break;
case 3: mch_fsb = 667; break;
case 4: mch_fsb = 1333; break;
case 6: mch_fsb = 1600; break;
}
DBG("mch_fsb %d\n", mch_fsb);
switch (mch_fsb)
{
case 533:
switch ((mch_cfg >> 4) & 7)
{
case 1:mch_ratio = 200000; break;
case 2:mch_ratio = 250000; break;
case 3:mch_ratio = 300000; break;
}
break;
default:
case 800:
switch ((mch_cfg >> 4) & 7)
{
case 0:mch_ratio = 100000; break;
case 1:mch_ratio = 125000; break;
case 2:mch_ratio = 166667; break; // 1.666666667
case 3:mch_ratio = 200000; break;
case 4:mch_ratio = 266667; break; // 2.666666667
case 5:mch_ratio = 333333; break; // 3.333333333
}
break;
case 1066:
switch ((mch_cfg >> 4) & 7)
{
case 1:mch_ratio = 100000; break;
case 2:mch_ratio = 125000; break;
case 3:mch_ratio = 150000; break;
case 4:mch_ratio = 200000; break;
case 5:mch_ratio = 250000; break;
}
break;
case 1333:
switch ((mch_cfg >> 4) & 7)
{
case 2:mch_ratio = 100000; break;
case 3:mch_ratio = 120000; break;
case 4:mch_ratio = 160000; break;
case 5:mch_ratio = 200000; break;
}
break;
case 1600:
switch ((mch_cfg >> 4) & 7)
{
case 3:mch_ratio = 100000; break;
case 4:mch_ratio = 133333; break; // 1.333333333
case 5:mch_ratio = 150000; break;
case 6:mch_ratio = 200000; break;
}
break;
}
DBG("mch_ratio %d\n", mch_ratio);
// Compute RAM Frequency
Platform.RAM.Frequency = (Platform.CPU.FSBFrequency * mch_ratio) / 100000;
DBG("ram_fsb %d\n", Platform.RAM.Frequency);
}
// Get i965m Memory Speed
static void get_fsb_im965(pci_dt_t *dram_dev)
{
uint32_t dev0, mch_ratio, mch_cfg, mch_fsb;
long *ptr;
// Find Ratio
dev0 = pci_config_read32(dram_dev->dev.addr, 0x48);
dev0 &= 0xFFFFC000;
ptr = (long*)(dev0 + 0xC00);
mch_cfg = *ptr & 0xFFFF;
mch_ratio = 100000;
switch (mch_cfg & 7)
{
case 1: mch_fsb = 533; break;
default:
case 2:mch_fsb = 800; break;
case 3:mch_fsb = 667; break;
case 6:mch_fsb = 1066; break;
}
switch (mch_fsb)
{
case 533:
switch ((mch_cfg >> 4) & 7)
{
case 1:mch_ratio = 125000; break;
case 2:mch_ratio = 150000; break;
case 3:mch_ratio = 200000; break;
}
break;
case 667:
switch ((mch_cfg >> 4)& 7)
{
case 1:mch_ratio = 100000; break;
case 2:mch_ratio = 120000; break;
case 3:mch_ratio = 160000; break;
case 4:mch_ratio = 200000; break;
case 5:mch_ratio = 240000; break;
}
break;
default:
case 800:
switch ((mch_cfg >> 4) & 7)
{
case 1:mch_ratio = 83333; break; // 0.833333333
case 2:mch_ratio = 100000; break;
case 3:mch_ratio = 133333; break; // 1.333333333
case 4:mch_ratio = 166667; break; // 1.666666667
case 5:mch_ratio = 200000; break;
}
break;
case 1066:
switch ((mch_cfg >> 4)&7) {
case 5:mch_ratio = 150000; break;
case 6:mch_ratio = 200000; break;
}
}
// Compute RAM Frequency
Platform.RAM.Frequency = (Platform.CPU.FSBFrequency * mch_ratio) / 100000;
}
// Get iCore7 Memory Speed
static void get_fsb_nhm(pci_dt_t *dram_dev)
{
uint32_t mch_ratio, mc_dimm_clk_ratio;
// Get the clock ratio
mc_dimm_clk_ratio = pci_config_read16(PCIADDR(nhm_bus, 3, 4), 0x54 );
mch_ratio = (mc_dimm_clk_ratio & 0x1F);
// Compute RAM Frequency
Platform.RAM.Frequency = Platform.CPU.FSBFrequency * mch_ratio / 2;
}
/*
* Retrieve memory controller info functions
*/
// Get i965 Memory Timings
static void get_timings_i965(pci_dt_t *dram_dev)
{
// Thanks for CDH optis
uint32_t dev0, c0ckectrl, c1ckectrl, offset;
uint32_t ODT_Control_Register, Precharge_Register, ACT_Register, Read_Register, Misc_Register;
long *ptr;
// Read MMR Base Address
dev0 = pci_config_read32(dram_dev->dev.addr, 0x48);
dev0 &= 0xFFFFC000;
ptr = (long*)(dev0 + 0x260);
c0ckectrl = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + 0x660);
c1ckectrl = *ptr & 0xFFFFFFFF;
// If DIMM 0 not populated, check DIMM 1
((c0ckectrl) >> 20 & 0xF) ? (offset = 0) : (offset = 0x400);
ptr = (long*)(dev0 + offset + 0x29C);
ODT_Control_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x250);
Precharge_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x252);
ACT_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x258);
Read_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x244);
Misc_Register = *ptr & 0xFFFFFFFF;
// 965 Series only support DDR2
Platform.RAM.Type = SMB_MEM_TYPE_DDR2;
// CAS Latency (tCAS)
Platform.RAM.CAS = ((ODT_Control_Register >> 17) & 7) + 3;
// RAS-To-CAS (tRCD)
Platform.RAM.TRC = (Read_Register >> 16) & 0xF;
// RAS Precharge (tRP)
Platform.RAM.TRP = (ACT_Register >> 13) & 0xF;
// RAS Active to precharge (tRAS)
Platform.RAM.RAS = (Precharge_Register >> 11) & 0x1F;
if ((c0ckectrl >> 20 & 0xF) && (c1ckectrl >> 20 & 0xF))
Platform.RAM.Channels = SMB_MEM_CHANNEL_DUAL;
else
Platform.RAM.Channels = SMB_MEM_CHANNEL_SINGLE;
}
// Get im965 Memory Timings
static void get_timings_im965(pci_dt_t *dram_dev)
{
// Thanks for CDH optis
uint32_t dev0, c0ckectrl, c1ckectrl, offset, ODT_Control_Register, Precharge_Register;
long *ptr;
// Read MMR Base Address
dev0 = pci_config_read32(dram_dev->dev.addr, 0x48);
dev0 &= 0xFFFFC000;
ptr = (long*)(dev0 + 0x1200);
c0ckectrl = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + 0x1300);
c1ckectrl = *ptr & 0xFFFFFFFF;
// If DIMM 0 not populated, check DIMM 1
((c0ckectrl) >> 20 & 0xF) ? (offset = 0) : (offset = 0x100);
ptr = (long*)(dev0 + offset + 0x121C);
ODT_Control_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x1214);
Precharge_Register = *ptr & 0xFFFFFFFF;
// Series only support DDR2
Platform.RAM.Type = SMB_MEM_TYPE_DDR2;
// CAS Latency (tCAS)
Platform.RAM.CAS = ((ODT_Control_Register >> 23) & 7) + 3;
// RAS-To-CAS (tRCD)
Platform.RAM.TRC = ((Precharge_Register >> 5) & 7) + 2;
// RAS Precharge (tRP)
Platform.RAM.TRP= (Precharge_Register & 7) + 2;
// RAS Active to precharge (tRAS)
Platform.RAM.RAS = (Precharge_Register >> 21) & 0x1F;
if ((c0ckectrl >> 20 & 0xF) && (c1ckectrl >> 20 & 0xF))
Platform.RAM.Channels = SMB_MEM_CHANNEL_DUAL;
else
Platform.RAM.Channels = SMB_MEM_CHANNEL_SINGLE;
}
// Get P35 Memory Timings
static void get_timings_p35(pci_dt_t *dram_dev)
{
// Thanks for CDH optis
unsigned long dev0, Memory_Check, c0ckectrl, c1ckectrl, offset;
unsigned long ODT_Control_Register, Precharge_Register, ACT_Register, Read_Register, Misc_Register;
long *ptr;
//Device_ID = pci_config_read16(dram_dev->dev.addr, 0x02);
//Device_ID &= 0xFFFF;
// Now, read MMR Base Address
dev0 = pci_config_read32(dram_dev->dev.addr, 0x48);
dev0 &= 0xFFFFC000;
ptr = (long*)(dev0 + 0x260);
c0ckectrl = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + 0x660);
c1ckectrl = *ptr & 0xFFFFFFFF;
// If DIMM 0 not populated, check DIMM 1
((c0ckectrl) >> 20 & 0xF) ? (offset = 0) : (offset = 0x400);
ptr = (long*)(dev0 + offset + 0x265);
ODT_Control_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x25D);
Precharge_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x252);
ACT_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x258);
Read_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x244);
Misc_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x1E8);
Memory_Check = *ptr & 0xFFFFFFFF;
// On P45, check 1A8
if(dram_dev->device_id > 0x2E00) {
ptr = (long*)(dev0 + offset + 0x1A8);
Memory_Check = *ptr & 0xFFFFFFFF;
Memory_Check >>= 2;
Memory_Check &= 1;
Memory_Check = !Memory_Check;
} else {
ptr = (long*)(dev0 + offset + 0x1E8);
Memory_Check = *ptr & 0xFFFFFFFF;
}
// Determine DDR-II or DDR-III
if (Memory_Check & 1)
Platform.RAM.Type = SMB_MEM_TYPE_DDR2;
else
Platform.RAM.Type = SMB_MEM_TYPE_DDR3;
// CAS Latency (tCAS)
if(dram_dev->device_id > 0x2E00)
Platform.RAM.CAS = ((ODT_Control_Register >> 8) & 0x3F) - 6;
else
Platform.RAM.CAS = ((ODT_Control_Register >> 8) & 0x3F) - 9;
// RAS-To-CAS (tRCD)
Platform.RAM.TRC = (Read_Register >> 17) & 0xF;
// RAS Precharge (tRP)
Platform.RAM.TRP = (ACT_Register >> 13) & 0xF;
// RAS Active to precharge (tRAS)
Platform.RAM.RAS = Precharge_Register & 0x3F;
// Channel configuration
if (((c0ckectrl >> 20) & 0xF) && ((c1ckectrl >> 20) & 0xF))
Platform.RAM.Channels = SMB_MEM_CHANNEL_DUAL;
else
Platform.RAM.Channels = SMB_MEM_CHANNEL_SINGLE;
}
// Get Nehalem Memory Timings
static void get_timings_nhm(pci_dt_t *dram_dev)
{
unsigned long mc_channel_bank_timing, mc_control, mc_channel_mrs_value;
int fvc_bn = 4;
// Find which channels are populated
mc_control = pci_config_read16(PCIADDR(nhm_bus, 3, 0), 0x48);
mc_control = (mc_control >> 8) & 0x7;
// DDR-III
Platform.RAM.Type = SMB_MEM_TYPE_DDR3;
// Get the first valid channel
if(mc_control & 1)
fvc_bn = 4;
else if(mc_control & 2)
fvc_bn = 5;
else if(mc_control & 7)
fvc_bn = 6;
// Now, detect timings
mc_channel_bank_timing = pci_config_read32(PCIADDR(nhm_bus, fvc_bn, 0), 0x88);
mc_channel_mrs_value = pci_config_read32(PCIADDR(nhm_bus, fvc_bn, 0), 0x70);
// CAS Latency (tCAS)
Platform.RAM.CAS = ((mc_channel_mrs_value >> 4) & 0xF ) + 4;
// RAS-To-CAS (tRCD)
Platform.RAM.TRC = (mc_channel_bank_timing >> 9) & 0xF;
// RAS Precharge (tRP)
Platform.RAM.TRP = mc_channel_bank_timing & 0xF;
// RAS Active to precharge (tRAS)
Platform.RAM.RAS = (mc_channel_bank_timing >> 4) & 0x1F;
// Single , Dual or Triple Channels
if (mc_control == 1 || mc_control == 2 || mc_control == 4 )
Platform.RAM.Channels = SMB_MEM_CHANNEL_SINGLE;
else if (mc_control == 7)
Platform.RAM.Channels = SMB_MEM_CHANNEL_TRIPLE;
else
Platform.RAM.Channels = SMB_MEM_CHANNEL_DUAL;
}
static struct mem_controller_t dram_controllers[] = {
// Default unknown chipset
{ 0, 0, "",NULL, NULL, NULL },
// Intel
{ 0x8086, 0x7190, "VMWare",NULL, NULL, NULL },
{ 0x8086, 0x1A30, "i845",NULL, NULL, NULL },
{ 0x8086, 0x2970, "i946PL/GZ",setup_p35, get_fsb_i965, get_timings_i965 },
{ 0x8086, 0x2990, "Q963/Q965",setup_p35, get_fsb_i965, get_timings_i965 },
{ 0x8086, 0x29A0, "P965/G965",setup_p35, get_fsb_i965, get_timings_i965 },
{ 0x8086, 0x2A00, "GM965/GL960",setup_p35, get_fsb_im965, get_timings_im965 },
{ 0x8086, 0x2A10, "GME965/GLE960",setup_p35, get_fsb_im965, get_timings_im965 },
{ 0x8086, 0x2A40, "PM/GM45/47",setup_p35, get_fsb_im965, get_timings_im965 },
{ 0x8086, 0x29B0, "Q35",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0x29C0, "P35/G33",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0x29D0, "Q33",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0x29E0, "X38/X48",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0x2E00, "Eaglelake",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0x2E10, "Q45/Q43",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0x2E20, "P45/G45",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0x2E30, "G41",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0xD131, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0xD132, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3400, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3401, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3402, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3403, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3404, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3405, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3406, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3407, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
};
static const char *memory_channel_types[] =
{
"Unknown", "Single", "Dual", "Triple"
};
void scan_dram_controller(pci_dt_t *dram_dev)
{
int i;
for(i = 1; i < sizeof(dram_controllers) / sizeof(dram_controllers[0]); i++)
if ((dram_controllers[i].vendor == dram_dev->vendor_id)
&& (dram_controllers[i].device == dram_dev->device_id))
{
verbose("%s%s DRAM Controller [%4x:%4x] at %02x:%02x.%x\n",
(dram_dev->vendor_id == 0x8086) ? "Intel " : "" ,
dram_controllers[i].name, dram_dev->vendor_id, dram_dev->device_id,
dram_dev->dev.bits.bus, dram_dev->dev.bits.dev, dram_dev->dev.bits.func);
if (dram_controllers[i].initialise != NULL)
dram_controllers[i].initialise(dram_dev);
if (dram_controllers[i].poll_timings != NULL)
dram_controllers[i].poll_timings(dram_dev);
if (dram_controllers[i].poll_speed != NULL)
dram_controllers[i].poll_speed(dram_dev);
verbose("Frequency detected: %d MHz (%d) %s Channel %d-%d-%d-%d\n",
(uint32_t)Platform.RAM.Frequency / 1000000,
(uint32_t)Platform.RAM.Frequency / 500000,
memory_channel_types[Platform.RAM.Channels],
Platform.RAM.CAS, Platform.RAM.TRC, Platform.RAM.TRP, Platform.RAM.RAS
);
}
}
branches/azimutz/Chazi/i386/libsaio/dram_controllers.h
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/*
* dram controller access and scan from the pci host controller
* Integrated and adapted for chameleon 2.0 RC5 by Rekursor from bs0d work
* original source comes from:
*
* memtest86
*
* Released under version 2 of the Gnu Public License.
* By Chris Brady, cbrady@sgi.com
* ----------------------------------------------------
* MemTest86+ V4.00 Specific code (GPL V2.0)
* By Samuel DEMEULEMEESTER, sdemeule@memtest.org
* http://www.canardpc.com - http://www.memtest.org
*/
#ifndef __LIBSAIO_DRAM_CONTROLLERS_H
#define __LIBSAIO_DRAM_CONTROLLERS_H
//#include "libsaio.h"
void scan_dram_controller();
struct mem_controller_t {
uint16_t vendor;
uint16_t device;
char *name;
void (*initialise)(pci_dt_t *dram_dev);
void (*poll_speed)(pci_dt_t *dram_dev);
void (*poll_timings)(pci_dt_t *dram_dev);
};
#endif /* !__LIBSAIO_DRAM_CONTROLLERS_H */
branches/azimutz/Chazi/i386/libsaio/Makefile
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xml.o ntfs.o msdos.o md5c.o device_tree.o \
cpu.o platform.o acpi_patcher.o \
smbios_patcher.o fake_efi.o ext2fs.o \
hpet.o dram_controllers.o spd.o usb.o pci_setup.o \
device_inject.o pci_root.o convert.o mem.o aml_generator.o \
hpet.o usb.o pci_setup.o \
device_inject.o pci_root.o convert.o aml_generator.o \
nvidia_resolution.o ati_resolution.o gma_resolution.o \
autoresolution.o edid.o
branches/azimutz/Chazi/i386/libsaio/platform.c
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#include "pci.h"
#include "platform.h"
#include "cpu.h"
#include "mem.h"
#include "spd.h"
#include "dram_controllers.h"
#include "modules.h"
#ifndef DEBUG_PLATFORM
#define DEBUG_PLATFORM 0
}
/** scan mem for memory autodection purpose */
void scan_mem() {
void scan_mem()
{
static bool done = false;
if (done) return;
bool useAutodetection = true;
getBoolForKey(kUseMemDetectKey, &useAutodetection, &bootInfo->bootConfig);
if (useAutodetection) {
if (dram_controller_dev!=NULL) {
scan_dram_controller(dram_controller_dev); // Rek: pci dev ram controller direct and fully informative scan ...
}
scan_memory(&Platform); // unfortunately still necesary for some comp where spd cant read correct speed
scan_spd(&Platform);
if (useAutodetection)
{
execute_hook("ScanMemory", NULL, NULL, NULL, NULL);
//getc();
}
}
done = true;
}
branches/azimutz/Chazi/i386/libsaio/pci_setup.c
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extern void notify_usb_dev(pci_dt_t *pci_dev);
extern void force_enable_hpet(pci_dt_t *lpc_dev);
extern pci_dt_t *dram_controller_dev;
void setup_pci_devs(pci_dt_t *pci_dt)
{
bool do_eth_devprop, do_enable_hpet;
while (current)
{
execute_hook("PCIDevice", current, NULL, NULL, NULL);
switch (current->class_id)
{
case PCI_CLASS_BRIDGE_HOST:
dram_controller_dev = current;
break;
case PCI_CLASS_NETWORK_ETHERNET:
if (do_eth_devprop)
set_eth_builtin(current);
break;
break;/*
case PCI_CLASS_DISPLAY_VGA:
execute_hook(kGraphicsEnablerKey, current, NULL, NULL, NULL);
break;
case PCI_CLASS_SERIAL_USB:
*/case PCI_CLASS_SERIAL_USB:
notify_usb_dev(current);
break;
branches/azimutz/Chazi/i386/boot2/modules.c
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{
moduleHook_t* hooks = moduleCallbacks;
while(hooks != NULL && strcmp(name, hooks->name) < 0)
while(hooks != NULL && strcmp(name, hooks->name) != 0) //TOOD: fixme
{
//DBG("%s cmp %s = %d\n", name, hooks->name, strcmp(name, hooks->name));
hooks = hooks->next;
}
branches/azimutz/Chazi/i386/modules/Memory/dram_controllers.h
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/*
* dram controller access and scan from the pci host controller
* Integrated and adapted for chameleon 2.0 RC5 by Rekursor from bs0d work
* original source comes from:
*
* memtest86
*
* Released under version 2 of the Gnu Public License.
* By Chris Brady, cbrady@sgi.com
* ----------------------------------------------------
* MemTest86+ V4.00 Specific code (GPL V2.0)
* By Samuel DEMEULEMEESTER, sdemeule@memtest.org
* http://www.canardpc.com - http://www.memtest.org
*/
#ifndef __LIBSAIO_DRAM_CONTROLLERS_H
#define __LIBSAIO_DRAM_CONTROLLERS_H
#include "libsaio.h"
void scan_dram_controller();
struct mem_controller_t {
uint16_t vendor;
uint16_t device;
char *name;
void (*initialise)(pci_dt_t *dram_dev);
void (*poll_speed)(pci_dt_t *dram_dev);
void (*poll_timings)(pci_dt_t *dram_dev);
};
#endif /* !__LIBSAIO_DRAM_CONTROLLERS_H */
branches/azimutz/Chazi/i386/modules/Memory/mem.c
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/*
* Copyright 2010 AsereBLN. All rights reserved. <aserebln@googlemail.com>
*
* mem.c - obtain system memory information
*/
#include "libsaio.h"
#include "pci.h"
#include "platform.h"
#include "cpu.h"
#include "mem.h"
#include "smbios_patcher.h"
#ifndef DEBUG_MEM
#define DEBUG_MEM 0
#endif
#if DEBUG_MEM
#define DBG(x...)printf(x)
#else
#define DBG(x...)
#endif
#define DC(c) (c >= 0x20 && c < 0x7f ? (char) c : '.')
#define STEP 16
void dumpPhysAddr(const char * title, void * a, int len)
{
int i,j;
u_int8_t* ad = (u_int8_t*) a;
char buffer[80];
char str[16];
if(ad==NULL) return;
printf("%s addr=0x%08x len=%04d\n",title ? title : "Dump of ", a, len);
printf("Ofs-00-01-02-03-04-05-06-07-08-09-0A-0B-0C-0D-0E-0F ASCII\n");
i = (len/STEP)*STEP;
for (j=0; j < i; j+=STEP)
{
printf("%02x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n",
j,
ad[j], ad[j+1], ad[j+2], ad[j+3] , ad[j+4], ad[j+5], ad[j+6], ad[j+7],
ad[j+8], ad[j+9], ad[j+10], ad[j+11] , ad[j+12], ad[j+13], ad[j+14], ad[j+15],
DC(ad[j]), DC(ad[j+1]), DC(ad[j+2]), DC(ad[j+3]) , DC(ad[j+4]), DC(ad[j+5]), DC(ad[j+6]), DC(ad[j+7]),
DC(ad[j+8]), DC(ad[j+9]), DC(ad[j+10]), DC(ad[j+11]) , DC(ad[j+12]), DC(ad[j+13]), DC(ad[j+14]), DC(ad[j+15])
);
}
if (len%STEP==0) return;
sprintf(buffer,"%02x:", i);
for (j=0; j < STEP; j++) {
if (j<(len%STEP))
sprintf(str, " %02x", ad[i+j]);
else
strcpy(str, " " );
strncat(buffer, str, sizeof(buffer));
}
strncat(buffer," ", sizeof(buffer));
for (j=0; j < (len%STEP); j++) {
sprintf(str, "%c", DC(ad[i+j]));
strncat(buffer, str, sizeof(buffer));
}
printf("%s\n",buffer);
}
void dumpAllTablesOfType(int i)
{
char title[32];
struct DMIHeader * dmihdr;
for(dmihdr = FindFirstDmiTableOfType(i, 4);
dmihdr;
dmihdr = FindNextDmiTableOfType(i, 4)) {
sprintf(title,"Table (type %d) :" , i);
dumpPhysAddr(title, dmihdr, dmihdr->length+32);
}
}
const char * getDMIString(struct DMIHeader * dmihdr, uint8_t strNum)
{
const char * ret =NULL;
const char * startAddr = (const char *) dmihdr;
const char * limit = NULL;
if (!dmihdr || dmihdr->length<4 || strNum==0) return NULL;
startAddr += dmihdr->length;
limit = startAddr + 256;
for(; strNum; strNum--) {
if ((*startAddr)==0 && *(startAddr+1)==0) break;
if (*startAddr && strNum<=1) {
ret = startAddr; // current str
break;
}
while(*startAddr && startAddr<limit) startAddr++;
if (startAddr==limit) break; // no terminator found
else if((*startAddr==0) && *(startAddr+1)==0) break;
else startAddr++;
}
return ret;
}
void scan_memory(PlatformInfo_t *p)
{
int i=0;
struct DMIHeader * dmihdr = NULL;
struct DMIMemoryModuleInfo* memInfo[MAX_RAM_SLOTS]; // 6
struct DMIPhysicalMemoryArray* physMemArray; // 16
struct DMIMemoryDevice* memDev[MAX_RAM_SLOTS]; //17
/* We mainly don't use obsolete tables 5,6 because most of computers don't handle it anymore */
Platform.DMI.MemoryModules = 0;
/* Now lets peek info rom table 16,17 as for some bios, table 5 & 6 are not used */
physMemArray = (struct DMIPhysicalMemoryArray*) FindFirstDmiTableOfType(16, 4);
Platform.DMI.MaxMemorySlots = physMemArray ? physMemArray->numberOfMemoryDevices : 0;
i = 0;
for(dmihdr = FindFirstDmiTableOfType(17, 4);
dmihdr;
dmihdr = FindNextDmiTableOfType(17, 4) ) {
memDev[i] = (struct DMIMemoryDevice*) dmihdr;
if (memDev[i]->size !=0 ) Platform.DMI.MemoryModules++;
if (memDev[i]->speed>0) Platform.RAM.DIMM[i].Frequency = memDev[i]->speed; // take it here for now but we'll check spd and dmi table 6 as well
i++;
}
// for table 6, we only have a look at the current speed
i = 0;
for(dmihdr = FindFirstDmiTableOfType(6, 4);
dmihdr;
dmihdr = FindNextDmiTableOfType(6, 4) ) {
memInfo[i] = (struct DMIMemoryModuleInfo*) dmihdr;
if (memInfo[i]->currentSpeed > Platform.RAM.DIMM[i].Frequency)
Platform.RAM.DIMM[i].Frequency = memInfo[i]->currentSpeed; // favor real overclocked speed if any
i++;
}
#if 0
dumpAllTablesOfType(17);
getc();
#endif
}
branches/azimutz/Chazi/i386/modules/Memory/mem.h
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/*
* Copyright 2010 AsereBLN. All rights reserved. <aserebln@googlemail.com>
*
* mem.h
*/
#ifndef __LIBSAIO_MEM_H
#define __LIBSAIO_MEM_H
#include "platform.h"
extern void scan_memory(PlatformInfo_t *);
#endif/* __LIBSAIO_MEM_H */
branches/azimutz/Chazi/i386/modules/Memory/spd.c
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/*
* spd.c - serial presence detect memory information
*
* Originally restored from pcefi10.5
* Dynamic mem detection original impl. by Rekursor
* System profiler fix and other fixes by Mozodojo.
*/
#include "libsaio.h"
#include "pci.h"
#include "platform.h"
#include "spd.h"
#include "saio_internal.h"
#include "bootstruct.h"
#include "memvendors.h"
#ifndef DEBUG_SPD
#define DEBUG_SPD 0
#endif
#if DEBUG_SPD
#define DBG(x...)printf(x)
#else
#define DBG(x...)
#endif
static const char *spd_memory_types[] =
{
"RAM", /* 00h Undefined */
"FPM", /* 01h FPM */
"EDO", /* 02h EDO */
"",/* 03h PIPELINE NIBBLE */
"SDRAM", /* 04h SDRAM */
"",/* 05h MULTIPLEXED ROM */
"DDR SGRAM",/* 06h SGRAM DDR */
"DDR SDRAM",/* 07h SDRAM DDR */
"DDR2 SDRAM", /* 08h SDRAM DDR 2 */
"",/* 09h Undefined */
"",/* 0Ah Undefined */
"DDR3 SDRAM" /* 0Bh SDRAM DDR 3 */
};
#define UNKNOWN_MEM_TYPE 2
static uint8_t spd_mem_to_smbios[] =
{
UNKNOWN_MEM_TYPE, /* 00h Undefined */
UNKNOWN_MEM_TYPE, /* 01h FPM */
UNKNOWN_MEM_TYPE, /* 02h EDO */
UNKNOWN_MEM_TYPE, /* 03h PIPELINE NIBBLE */
SMB_MEM_TYPE_SDRAM, /* 04h SDRAM */
SMB_MEM_TYPE_ROM, /* 05h MULTIPLEXED ROM */
SMB_MEM_TYPE_SGRAM, /* 06h SGRAM DDR */
SMB_MEM_TYPE_DDR, /* 07h SDRAM DDR */
SMB_MEM_TYPE_DDR2, /* 08h SDRAM DDR 2 */
UNKNOWN_MEM_TYPE, /* 09h Undefined */
UNKNOWN_MEM_TYPE, /* 0Ah Undefined */
SMB_MEM_TYPE_DDR3 /* 0Bh SDRAM DDR 3 */
};
#define SPD_TO_SMBIOS_SIZE (sizeof(spd_mem_to_smbios)/sizeof(uint8_t))
#define rdtsc(low,high) \
__asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high))
#define SMBHSTSTS 0
#define SMBHSTCNT 2
#define SMBHSTCMD 3
#define SMBHSTADD 4
#define SMBHSTDAT 5
#define SBMBLKDAT 7
/** Read one byte from the intel i2c, used for reading SPD on intel chipsets only. */
unsigned char smb_read_byte_intel(uint32_t base, uint8_t adr, uint8_t cmd)
{
int l1, h1, l2, h2;
unsigned long long t;
outb(base + SMBHSTSTS, 0x1f);// reset SMBus Controller
outb(base + SMBHSTDAT, 0xff);
while( inb(base + SMBHSTSTS) & 0x01);// wait until ready
outb(base + SMBHSTCMD, cmd);
outb(base + SMBHSTADD, (adr << 1) | 0x01 );
outb(base + SMBHSTCNT, 0x48 );
rdtsc(l1, h1);
while (!( inb(base + SMBHSTSTS) & 0x02))// wait til command finished
{
rdtsc(l2, h2);
t = ((h2 - h1) * 0xffffffff + (l2 - l1)) / (Platform.CPU.TSCFrequency / 100);
if (t > 5)
break;// break after 5ms
}
return inb(base + SMBHSTDAT);
}
/* SPD i2c read optimization: prefetch only what we need, read non prefetcheable bytes on the fly */
#define READ_SPD(spd, base, slot, x) spd[x] = smb_read_byte_intel(base, 0x50 + slot, x)
int spd_indexes[] = {
SPD_MEMORY_TYPE,
SPD_DDR3_MEMORY_BANK,
SPD_DDR3_MEMORY_CODE,
SPD_NUM_ROWS,
SPD_NUM_COLUMNS,
SPD_NUM_DIMM_BANKS,
SPD_NUM_BANKS_PER_SDRAM,
4,7,8,9,12,64, /* TODO: give names to these values */
95,96,97,98, 122,123,124,125 /* UIS */
};
#define SPD_INDEXES_SIZE (sizeof(spd_indexes) / sizeof(int))
/** Read from spd *used* values only*/
static void init_spd(char * spd, uint32_t base, int slot)
{
int i;
for (i=0; i< SPD_INDEXES_SIZE; i++) {
READ_SPD(spd, base, slot, spd_indexes[i]);
}
}
/** Get Vendor Name from spd, 2 cases handled DDR3 and DDR2,
have different formats, always return a valid ptr.*/
const char * getVendorName(RamSlotInfo_t* slot, uint32_t base, int slot_num)
{
uint8_t bank = 0;
uint8_t code = 0;
int i = 0;
uint8_t * spd = (uint8_t *) slot->spd;
if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR3) { // DDR3
bank = (spd[SPD_DDR3_MEMORY_BANK] & 0x07f); // constructors like Patriot use b7=1
code = spd[SPD_DDR3_MEMORY_CODE];
for (i=0; i < VEN_MAP_SIZE; i++)
if (bank==vendorMap[i].bank && code==vendorMap[i].code)
return vendorMap[i].name;
}
else if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR2) {
if(spd[64]==0x7f) {
for (i=64; i<72 && spd[i]==0x7f;i++) {
bank++;
READ_SPD(spd, base, slot_num,i+1); // prefetch next spd byte to read for next loop
}
READ_SPD(spd, base, slot_num,i);
code = spd[i];
} else {
code = spd[64];
bank = 0;
}
for (i=0; i < VEN_MAP_SIZE; i++)
if (bank==vendorMap[i].bank && code==vendorMap[i].code)
return vendorMap[i].name;
}
/* OK there is no vendor id here lets try to match the partnum if it exists */
if (strstr(slot->PartNo,"GU332") == slot->PartNo) // Unifosa fingerprint
return "Unifosa";
return "NoName";
}
/** Get Default Memory Module Speed (no overclocking handled) */
int getDDRspeedMhz(const char * spd)
{
if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR3) {
switch(spd[12]) {
case 0x0f:
return 1066;
case 0x0c:
return 1333;
case 0x0a:
return 1600;
case 0x14:
default:
return 800;
}
}
else if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR2) {
switch(spd[9]) {
case 0x50:
return 400;
case 0x3d:
return 533;
case 0x30:
return 667;
case 0x25:
default:
return 800;
}
}
return 800; // default freq for unknown types
}
#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];
if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR3) // DDR3
{
sprintf(asciiSerial, "%X%X%X%X%X%X%X%X", SMST(122) /*& 0x7*/, SLST(122), SMST(123), SLST(123), SMST(124), SLST(124), SMST(125), SLST(125));
}
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(95) /*& 0x7*/, SLST(95), SMST(96), SLST(96), SMST(97), SLST(97), SMST(98), SLST(98));
}
return strdup(asciiSerial);
}
/** Get DDR3 or DDR2 Part Number, always return a valid ptr */
const char * getDDRPartNum(char* spd, uint32_t base, int slot)
{
static char asciiPartNo[32];
int i, start=0, index = 0;
if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR3) {
start = 128;
}
else if (spd[SPD_MEMORY_TYPE]==SPD_MEMORY_TYPE_SDRAM_DDR2) {
start = 73;
}
// 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, 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...
asciiPartNo[index++] = c;
else if (!isascii(c))
break;
}
return strdup(asciiPartNo);
return NULL;
}
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;
bool dump = false;
RamSlotInfo_t* slot;
base = pci_config_read16(smbus_dev->dev.addr, 0x20) & 0xFFFE;
DBG("Scanning smbus_dev <%04x, %04x> ...\n",smbus_dev->vendor_id, smbus_dev->device_id);
getBoolForKey("DumpSPD", &dump, &bootInfo->bootConfig);
bool fullBanks = // needed at least for laptops
Platform.DMI.MemoryModules == Platform.DMI.MaxMemorySlots;
// Search MAX_RAM_SLOTS slots
char spdbuf[256];
for (i = 0; i < MAX_RAM_SLOTS; i++){
slot = &Platform.RAM.DIMM[i];
spd_size = smb_read_byte_intel(base, 0x50 + i, 0);
// Check spd is present
if (spd_size && (spd_size != 0xff) ) {
slot->spd = spdbuf;
slot->InUse = true;
bzero(slot->spd, spd_size);
// Copy spd data into buffer
//for (x = 0; x < spd_size; x++) slot->spd[x] = smb_read_byte_intel(base, 0x50 + i, x);
init_spd(slot->spd, base, i);
switch (slot->spd[SPD_MEMORY_TYPE]) {
case SPD_MEMORY_TYPE_SDRAM_DDR2:
slot->ModuleSize = ((1 << (slot->spd[SPD_NUM_ROWS] & 0x0f) + (slot->spd[SPD_NUM_COLUMNS] & 0x0f) - 17) *
((slot->spd[SPD_NUM_DIMM_BANKS] & 0x7) + 1) * slot->spd[SPD_NUM_BANKS_PER_SDRAM]);
break;
case SPD_MEMORY_TYPE_SDRAM_DDR3:
slot->ModuleSize = ((slot->spd[4] & 0x0f) + 28 ) + ((slot->spd[8] & 0x7) + 3 );
slot->ModuleSize -= (slot->spd[7] & 0x7) + 25;
slot->ModuleSize = ((1 << slot->ModuleSize) * (((slot->spd[7] >> 3) & 0x1f) + 1));
break;
}
spd_type = (slot->spd[SPD_MEMORY_TYPE] < ((char) 12) ? slot->spd[SPD_MEMORY_TYPE] : 0);
slot->Type = spd_mem_to_smbios[spd_type];
slot->PartNo = getDDRPartNum(slot->spd, base, i);
slot->Vendor = getVendorName(slot, base, i);
slot->SerialNo = getDDRSerial(slot->spd);
// determine spd speed
speed = getDDRspeedMhz(slot->spd);
if (slot->Frequency<speed) slot->Frequency = speed;
// pci memory controller if available, is more reliable
if (Platform.RAM.Frequency > 0) {
uint32_t freq = (uint32_t)Platform.RAM.Frequency / 500000;
// now round off special cases
uint32_t fmod100 = freq %100;
switch(fmod100) {
case 1:freq--;break;
case 32:freq++;break;
case 65:freq++; break;
case 98:freq+=2;break;
case 99:freq++; break;
}
slot->Frequency = freq;
}
verbose("Slot: %d Type %d %dMB (%s) %dMHz Vendor=%s\n PartNo=%s SerialNo=%s\n",
i,
(int)slot->Type,
slot->ModuleSize,
spd_memory_types[spd_type],
slot->Frequency,
slot->Vendor,
slot->PartNo,
slot->SerialNo);
if(DEBUG_SPD) {
dumpPhysAddr("spd content: ",slot->spd, spd_size);
getc();
}
}
// laptops sometimes show slot 0 and 2 with slot 1 empty when only 2 slots are presents so:
Platform.DMI.DIMM[i]=
i>0 && Platform.RAM.DIMM[1].InUse==false && fullBanks && Platform.DMI.MaxMemorySlots==2 ?
mapping[i] : i; // for laptops case, mapping setup would need to be more generic than this
slot->spd = NULL;
} // for
}
static struct smbus_controllers_t smbus_controllers[] = {
{0x8086, 0x269B, "ESB2", read_smb_intel },
{0x8086, 0x25A4, "6300ESB", read_smb_intel },
{0x8086, 0x24C3, "ICH4", read_smb_intel },
{0x8086, 0x24D3, "ICH5", read_smb_intel },
{0x8086, 0x266A, "ICH6", read_smb_intel },
{0x8086, 0x27DA, "ICH7", read_smb_intel },
{0x8086, 0x283E, "ICH8", read_smb_intel },
{0x8086, 0x2930, "ICH9", read_smb_intel },
{0x8086, 0x3A30, "ICH10R", read_smb_intel },
{0x8086, 0x3A60, "ICH10B", read_smb_intel },
{0x8086, 0x3B30, "P55", read_smb_intel },
{0x8086, 0x5032, "EP80579", read_smb_intel }
};
// initial call : pci_dt = root_pci_dev;
// find_and_read_smbus_controller(root_pci_dev);
bool find_and_read_smbus_controller(pci_dt_t* pci_dt)
{
pci_dt_t*current = pci_dt;
int i;
while (current) {
#if 0
printf("%02x:%02x.%x [%04x] [%04x:%04x] :: %s\n",
current->dev.bits.bus, current->dev.bits.dev, current->dev.bits.func,
current->class_id, current->vendor_id, current->device_id,
get_pci_dev_path(current));
#endif
for ( i = 0; i < sizeof(smbus_controllers) / sizeof(smbus_controllers[0]); i++ )
{
if (current->vendor_id == smbus_controllers[i].vendor &&
current->device_id == smbus_controllers[i].device)
{
smbus_controllers[i].read_smb(current); // read smb
return true;
}
}
find_and_read_smbus_controller(current->children);
current = current->next;
}
return false; // not found
}
void scan_spd(PlatformInfo_t *p)
{
find_and_read_smbus_controller(root_pci_dev);
}
branches/azimutz/Chazi/i386/modules/Memory/Memory.c
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/*
* DRAM Controller Module
* Scans the dram controller and notifies OS X of the memory modules.
*This was converted from boot2 code to a boot2 module.
*
*/
#include "libsaio.h"
#include "pci.h"
#include "platform.h"
#include "dram_controllers.h"
#include "spd.h"
#include "mem.h"
#include "modules.h"
pci_dt_t *dram_controller_dev;
void Memory_hook(void* arg1, void* arg2, void* arg3, void* arg4);
void Memory_PCIDevice_hook(void* arg1, void* arg2, void* arg3, void* arg4);
void Memory_start()
{
register_hook_callback("PCIDevice", &Memory_PCIDevice_hook);
register_hook_callback("ScanMemory", &Memory_hook);
}
void Memory_PCIDevice_hook(void* arg1, void* arg2, void* arg3, void* arg4)
{
pci_dt_t* current = arg1;
if(current->class_id == PCI_CLASS_BRIDGE_HOST)
{
dram_controller_dev = current;
}
}
void Memory_hook(void* arg1, void* arg2, void* arg3, void* arg4)
{
if (dram_controller_dev!=NULL) {
scan_dram_controller(dram_controller_dev); // Rek: pci dev ram controller direct and fully informative scan ...
}
scan_memory(&Platform); // unfortunately still necesary for some comp where spd cant read correct speed
scan_spd(&Platform);
}
/* Nedded to devide 64bit numbers correctly. TODO: look into why the module needs this
* And why it isn't needed when compiled into boot2
*/
uint64_t __udivdi3(uint64_t numerator, uint64_t denominator)
{
uint64_t quotient = 0, qbit = 1;
if (denominator)
{
while ((int64_t) denominator >= 0)
{
denominator <<= 1;
qbit <<= 1;
}
while (denominator)
{
if (denominator <= numerator)
{
numerator -= denominator;
quotient += qbit;
}
denominator >>= 1;
qbit >>= 1;
}
return quotient;
}
else {
stop("Divide by 0");
return 0;
}
}
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/*
* dram controller access and scan from the pci host controller
* Integrated and adapted for chameleon 2.0 RC5 by Rekursor from bs0d work
* original source comes from:
*
* memtest86
*
* Released under version 2 of the Gnu Public License.
* By Chris Brady, cbrady@sgi.com
* ----------------------------------------------------
* MemTest86+ V4.00 Specific code (GPL V2.0)
* By Samuel DEMEULEMEESTER, sdemeule@memtest.org
* http://www.canardpc.com - http://www.memtest.org
*/
#include "libsaio.h"
#include "bootstruct.h"
#include "pci.h"
#include "platform.h"
#include "dram_controllers.h"
#ifndef DEBUG_DRAM
#define DEBUG_DRAM 0
#endif
#if DEBUG_DRAM
#define DBG(x...) printf(x)
#else
#define DBG(x...)
#endif
/*
* Initialise memory controller functions
*/
// Setup P35 Memory Controller
static void setup_p35(pci_dt_t *dram_dev)
{
uint32_t dev0;
// Activate MMR I/O
dev0 = pci_config_read32(dram_dev->dev.addr, 0x48);
if (!(dev0 & 0x1))
pci_config_write8(dram_dev->dev.addr, 0x48, (dev0 | 1));
}
int nhm_bus = 0x3F;
// Setup Nehalem Integrated Memory Controller
static void setup_nhm(pci_dt_t *dram_dev)
{
static long possible_nhm_bus[] = {0xFF, 0x7F, 0x3F};
unsigned long did, vid;
int i;
// Nehalem supports Scrubbing
// First, locate the PCI bus where the MCH is located
for(i = 0; i < sizeof(possible_nhm_bus); i++)
{
vid = pci_config_read16(PCIADDR(possible_nhm_bus[i], 3, 4), 0x00);
did = pci_config_read16(PCIADDR(possible_nhm_bus[i], 3, 4), 0x02);
vid &= 0xFFFF;
did &= 0xFF00;
if(vid == 0x8086 && did >= 0x2C00)
nhm_bus = possible_nhm_bus[i];
}
}
/*
* Retrieve memory controller fsb functions
*/
// Get i965 Memory Speed
static void get_fsb_i965(pci_dt_t *dram_dev)
{
uint32_t dev0, mch_ratio, mch_cfg, mch_fsb;
long *ptr;
// Find Ratio
dev0 = pci_config_read32(dram_dev->dev.addr, 0x48);
dev0 &= 0xFFFFC000;
ptr = (long*)(dev0 + 0xC00);
mch_cfg = *ptr & 0xFFFF;
mch_ratio = 100000;
switch (mch_cfg & 7)
{
case 0: mch_fsb = 1066; break;
case 1: mch_fsb = 533; break;
default:
case 2: mch_fsb = 800; break;
case 3: mch_fsb = 667; break;
case 4: mch_fsb = 1333; break;
case 6: mch_fsb = 1600; break;
}
DBG("mch_fsb %d\n", mch_fsb);
switch (mch_fsb)
{
case 533:
switch ((mch_cfg >> 4) & 7)
{
case 1:mch_ratio = 200000; break;
case 2:mch_ratio = 250000; break;
case 3:mch_ratio = 300000; break;
}
break;
default:
case 800:
switch ((mch_cfg >> 4) & 7)
{
case 0:mch_ratio = 100000; break;
case 1:mch_ratio = 125000; break;
case 2:mch_ratio = 166667; break; // 1.666666667
case 3:mch_ratio = 200000; break;
case 4:mch_ratio = 266667; break; // 2.666666667
case 5:mch_ratio = 333333; break; // 3.333333333
}
break;
case 1066:
switch ((mch_cfg >> 4) & 7)
{
case 1:mch_ratio = 100000; break;
case 2:mch_ratio = 125000; break;
case 3:mch_ratio = 150000; break;
case 4:mch_ratio = 200000; break;
case 5:mch_ratio = 250000; break;
}
break;
case 1333:
switch ((mch_cfg >> 4) & 7)
{
case 2:mch_ratio = 100000; break;
case 3:mch_ratio = 120000; break;
case 4:mch_ratio = 160000; break;
case 5:mch_ratio = 200000; break;
}
break;
case 1600:
switch ((mch_cfg >> 4) & 7)
{
case 3:mch_ratio = 100000; break;
case 4:mch_ratio = 133333; break; // 1.333333333
case 5:mch_ratio = 150000; break;
case 6:mch_ratio = 200000; break;
}
break;
}
DBG("mch_ratio %d\n", mch_ratio);
// Compute RAM Frequency
Platform.RAM.Frequency = (Platform.CPU.FSBFrequency * mch_ratio) / 100000;
DBG("ram_fsb %d\n", Platform.RAM.Frequency);
}
// Get i965m Memory Speed
static void get_fsb_im965(pci_dt_t *dram_dev)
{
uint32_t dev0, mch_ratio, mch_cfg, mch_fsb;
long *ptr;
// Find Ratio
dev0 = pci_config_read32(dram_dev->dev.addr, 0x48);
dev0 &= 0xFFFFC000;
ptr = (long*)(dev0 + 0xC00);
mch_cfg = *ptr & 0xFFFF;
mch_ratio = 100000;
switch (mch_cfg & 7)
{
case 1: mch_fsb = 533; break;
default:
case 2:mch_fsb = 800; break;
case 3:mch_fsb = 667; break;
case 6:mch_fsb = 1066; break;
}
switch (mch_fsb)
{
case 533:
switch ((mch_cfg >> 4) & 7)
{
case 1:mch_ratio = 125000; break;
case 2:mch_ratio = 150000; break;
case 3:mch_ratio = 200000; break;
}
break;
case 667:
switch ((mch_cfg >> 4)& 7)
{
case 1:mch_ratio = 100000; break;
case 2:mch_ratio = 120000; break;
case 3:mch_ratio = 160000; break;
case 4:mch_ratio = 200000; break;
case 5:mch_ratio = 240000; break;
}
break;
default:
case 800:
switch ((mch_cfg >> 4) & 7)
{
case 1:mch_ratio = 83333; break; // 0.833333333
case 2:mch_ratio = 100000; break;
case 3:mch_ratio = 133333; break; // 1.333333333
case 4:mch_ratio = 166667; break; // 1.666666667
case 5:mch_ratio = 200000; break;
}
break;
case 1066:
switch ((mch_cfg >> 4)&7) {
case 5:mch_ratio = 150000; break;
case 6:mch_ratio = 200000; break;
}
}
// Compute RAM Frequency
Platform.RAM.Frequency = (Platform.CPU.FSBFrequency * mch_ratio) / 100000;
}
// Get iCore7 Memory Speed
static void get_fsb_nhm(pci_dt_t *dram_dev)
{
uint32_t mch_ratio, mc_dimm_clk_ratio;
// Get the clock ratio
mc_dimm_clk_ratio = pci_config_read16(PCIADDR(nhm_bus, 3, 4), 0x54 );
mch_ratio = (mc_dimm_clk_ratio & 0x1F);
// Compute RAM Frequency
Platform.RAM.Frequency = Platform.CPU.FSBFrequency * mch_ratio / 2;
}
/*
* Retrieve memory controller info functions
*/
// Get i965 Memory Timings
static void get_timings_i965(pci_dt_t *dram_dev)
{
// Thanks for CDH optis
uint32_t dev0, c0ckectrl, c1ckectrl, offset;
uint32_t ODT_Control_Register, Precharge_Register, ACT_Register, Read_Register, Misc_Register;
long *ptr;
// Read MMR Base Address
dev0 = pci_config_read32(dram_dev->dev.addr, 0x48);
dev0 &= 0xFFFFC000;
ptr = (long*)(dev0 + 0x260);
c0ckectrl = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + 0x660);
c1ckectrl = *ptr & 0xFFFFFFFF;
// If DIMM 0 not populated, check DIMM 1
((c0ckectrl) >> 20 & 0xF) ? (offset = 0) : (offset = 0x400);
ptr = (long*)(dev0 + offset + 0x29C);
ODT_Control_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x250);
Precharge_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x252);
ACT_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x258);
Read_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x244);
Misc_Register = *ptr & 0xFFFFFFFF;
// 965 Series only support DDR2
Platform.RAM.Type = SMB_MEM_TYPE_DDR2;
// CAS Latency (tCAS)
Platform.RAM.CAS = ((ODT_Control_Register >> 17) & 7) + 3;
// RAS-To-CAS (tRCD)
Platform.RAM.TRC = (Read_Register >> 16) & 0xF;
// RAS Precharge (tRP)
Platform.RAM.TRP = (ACT_Register >> 13) & 0xF;
// RAS Active to precharge (tRAS)
Platform.RAM.RAS = (Precharge_Register >> 11) & 0x1F;
if ((c0ckectrl >> 20 & 0xF) && (c1ckectrl >> 20 & 0xF))
Platform.RAM.Channels = SMB_MEM_CHANNEL_DUAL;
else
Platform.RAM.Channels = SMB_MEM_CHANNEL_SINGLE;
}
// Get im965 Memory Timings
static void get_timings_im965(pci_dt_t *dram_dev)
{
// Thanks for CDH optis
uint32_t dev0, c0ckectrl, c1ckectrl, offset, ODT_Control_Register, Precharge_Register;
long *ptr;
// Read MMR Base Address
dev0 = pci_config_read32(dram_dev->dev.addr, 0x48);
dev0 &= 0xFFFFC000;
ptr = (long*)(dev0 + 0x1200);
c0ckectrl = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + 0x1300);
c1ckectrl = *ptr & 0xFFFFFFFF;
// If DIMM 0 not populated, check DIMM 1
((c0ckectrl) >> 20 & 0xF) ? (offset = 0) : (offset = 0x100);
ptr = (long*)(dev0 + offset + 0x121C);
ODT_Control_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x1214);
Precharge_Register = *ptr & 0xFFFFFFFF;
// Series only support DDR2
Platform.RAM.Type = SMB_MEM_TYPE_DDR2;
// CAS Latency (tCAS)
Platform.RAM.CAS = ((ODT_Control_Register >> 23) & 7) + 3;
// RAS-To-CAS (tRCD)
Platform.RAM.TRC = ((Precharge_Register >> 5) & 7) + 2;
// RAS Precharge (tRP)
Platform.RAM.TRP= (Precharge_Register & 7) + 2;
// RAS Active to precharge (tRAS)
Platform.RAM.RAS = (Precharge_Register >> 21) & 0x1F;
if ((c0ckectrl >> 20 & 0xF) && (c1ckectrl >> 20 & 0xF))
Platform.RAM.Channels = SMB_MEM_CHANNEL_DUAL;
else
Platform.RAM.Channels = SMB_MEM_CHANNEL_SINGLE;
}
// Get P35 Memory Timings
static void get_timings_p35(pci_dt_t *dram_dev)
{
// Thanks for CDH optis
unsigned long dev0, Memory_Check, c0ckectrl, c1ckectrl, offset;
unsigned long ODT_Control_Register, Precharge_Register, ACT_Register, Read_Register, Misc_Register;
long *ptr;
//Device_ID = pci_config_read16(dram_dev->dev.addr, 0x02);
//Device_ID &= 0xFFFF;
// Now, read MMR Base Address
dev0 = pci_config_read32(dram_dev->dev.addr, 0x48);
dev0 &= 0xFFFFC000;
ptr = (long*)(dev0 + 0x260);
c0ckectrl = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + 0x660);
c1ckectrl = *ptr & 0xFFFFFFFF;
// If DIMM 0 not populated, check DIMM 1
((c0ckectrl) >> 20 & 0xF) ? (offset = 0) : (offset = 0x400);
ptr = (long*)(dev0 + offset + 0x265);
ODT_Control_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x25D);
Precharge_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x252);
ACT_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x258);
Read_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x244);
Misc_Register = *ptr & 0xFFFFFFFF;
ptr = (long*)(dev0 + offset + 0x1E8);
Memory_Check = *ptr & 0xFFFFFFFF;
// On P45, check 1A8
if(dram_dev->device_id > 0x2E00) {
ptr = (long*)(dev0 + offset + 0x1A8);
Memory_Check = *ptr & 0xFFFFFFFF;
Memory_Check >>= 2;
Memory_Check &= 1;
Memory_Check = !Memory_Check;
} else {
ptr = (long*)(dev0 + offset + 0x1E8);
Memory_Check = *ptr & 0xFFFFFFFF;
}
// Determine DDR-II or DDR-III
if (Memory_Check & 1)
Platform.RAM.Type = SMB_MEM_TYPE_DDR2;
else
Platform.RAM.Type = SMB_MEM_TYPE_DDR3;
// CAS Latency (tCAS)
if(dram_dev->device_id > 0x2E00)
Platform.RAM.CAS = ((ODT_Control_Register >> 8) & 0x3F) - 6;
else
Platform.RAM.CAS = ((ODT_Control_Register >> 8) & 0x3F) - 9;
// RAS-To-CAS (tRCD)
Platform.RAM.TRC = (Read_Register >> 17) & 0xF;
// RAS Precharge (tRP)
Platform.RAM.TRP = (ACT_Register >> 13) & 0xF;
// RAS Active to precharge (tRAS)
Platform.RAM.RAS = Precharge_Register & 0x3F;
// Channel configuration
if (((c0ckectrl >> 20) & 0xF) && ((c1ckectrl >> 20) & 0xF))
Platform.RAM.Channels = SMB_MEM_CHANNEL_DUAL;
else
Platform.RAM.Channels = SMB_MEM_CHANNEL_SINGLE;
}
// Get Nehalem Memory Timings
static void get_timings_nhm(pci_dt_t *dram_dev)
{
unsigned long mc_channel_bank_timing, mc_control, mc_channel_mrs_value;
int fvc_bn = 4;
// Find which channels are populated
mc_control = pci_config_read16(PCIADDR(nhm_bus, 3, 0), 0x48);
mc_control = (mc_control >> 8) & 0x7;
// DDR-III
Platform.RAM.Type = SMB_MEM_TYPE_DDR3;
// Get the first valid channel
if(mc_control & 1)
fvc_bn = 4;
else if(mc_control & 2)
fvc_bn = 5;
else if(mc_control & 7)
fvc_bn = 6;
// Now, detect timings
mc_channel_bank_timing = pci_config_read32(PCIADDR(nhm_bus, fvc_bn, 0), 0x88);
mc_channel_mrs_value = pci_config_read32(PCIADDR(nhm_bus, fvc_bn, 0), 0x70);
// CAS Latency (tCAS)
Platform.RAM.CAS = ((mc_channel_mrs_value >> 4) & 0xF ) + 4;
// RAS-To-CAS (tRCD)
Platform.RAM.TRC = (mc_channel_bank_timing >> 9) & 0xF;
// RAS Precharge (tRP)
Platform.RAM.CAS = (mc_channel_bank_timing >> 4) & 0x1F;
// RAS Active to precharge (tRAS)
Platform.RAM.TRP = mc_channel_bank_timing & 0xF;
// Single , Dual or Triple Channels
if (mc_control == 1 || mc_control == 2 || mc_control == 4 )
Platform.RAM.Channels = SMB_MEM_CHANNEL_SINGLE;
else if (mc_control == 7)
Platform.RAM.Channels = SMB_MEM_CHANNEL_TRIPLE;
else
Platform.RAM.Channels = SMB_MEM_CHANNEL_DUAL;
}
static struct mem_controller_t dram_controllers[] = {
// Default unknown chipset
{ 0, 0, "",NULL, NULL, NULL },
// Intel
{ 0x8086, 0x7190, "VMWare",NULL, NULL, NULL },
{ 0x8086, 0x1A30, "i845",NULL, NULL, NULL },
{ 0x8086, 0x2970, "i946PL/GZ",setup_p35, get_fsb_i965, get_timings_i965 },
{ 0x8086, 0x2990, "Q963/Q965",setup_p35, get_fsb_i965, get_timings_i965 },
{ 0x8086, 0x29A0, "P965/G965",setup_p35, get_fsb_i965, get_timings_i965 },
{ 0x8086, 0x2A00, "GM965/GL960",setup_p35, get_fsb_im965, get_timings_im965 },
{ 0x8086, 0x2A10, "GME965/GLE960",setup_p35, get_fsb_im965, get_timings_im965 },
{ 0x8086, 0x2A40, "PM/GM45/47",setup_p35, get_fsb_im965, get_timings_im965 },
{ 0x8086, 0x29B0, "Q35",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0x29C0, "P35/G33",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0x29D0, "Q33",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0x29E0, "X38/X48",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0x2E00, "Eaglelake",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0x2E10, "Q45/Q43",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0x2E20, "P45/G45",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0x2E30, "G41",setup_p35, get_fsb_i965, get_timings_p35 },
{ 0x8086, 0xD131, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0xD132, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3400, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3401, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3402, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3403, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3404, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3405, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3406, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
{ 0x8086, 0x3407, "NHM IMC",setup_nhm, get_fsb_nhm, get_timings_nhm },
};
static const char *memory_channel_types[] =
{
"Unknown", "Single", "Dual", "Triple"
};
void scan_dram_controller(pci_dt_t *dram_dev)
{
int i;
for(i = 1; i < sizeof(dram_controllers) / sizeof(dram_controllers[0]); i++)
if ((dram_controllers[i].vendor == dram_dev->vendor_id)
&& (dram_controllers[i].device == dram_dev->device_id))
{
verbose("%s%s DRAM Controller [%4x:%4x] at %02x:%02x.%x\n",
(dram_dev->vendor_id == 0x8086) ? "Intel " : "" ,
dram_controllers[i].name, dram_dev->vendor_id, dram_dev->device_id,
dram_dev->dev.bits.bus, dram_dev->dev.bits.dev, dram_dev->dev.bits.func);
if (dram_controllers[i].initialise != NULL)
dram_controllers[i].initialise(dram_dev);
if (dram_controllers[i].poll_timings != NULL)
dram_controllers[i].poll_timings(dram_dev);
if (dram_controllers[i].poll_speed != NULL)
dram_controllers[i].poll_speed(dram_dev);
verbose("Frequency detected: %d MHz (%d) %s Channel %d-%d-%d-%d\n",
(uint32_t)Platform.RAM.Frequency / 1000000,
(uint32_t)Platform.RAM.Frequency / 500000,
memory_channel_types[Platform.RAM.Channels],
Platform.RAM.CAS, Platform.RAM.TRC, Platform.RAM.TRP, Platform.RAM.RAS
);
}
}
branches/azimutz/Chazi/i386/modules/Memory/spd.h
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/*
* Copyright 2010 AsereBLN. All rights reserved. <aserebln@googlemail.com>
*
* spd.h
*/
#ifndef __LIBSAIO_SPD_H
#define __LIBSAIO_SPD_H
#include "platform.h"
#include "libsaio.h"
void scan_spd(PlatformInfo_t *p);
struct smbus_controllers_t {
uint32_tvendor;
uint32_tdevice;
char*name;
void (*read_smb)(pci_dt_t *smbus_dev);
};
/*
* Serial Presence Detect (SPD) data stored on SDRAM modules.
*
* Datasheet:
* - Name: PC SDRAM Serial Presence Detect (SPD) Specification
* Revision 1.2A, December, 1997
* - PDF: http://www.intel.com/design/chipsets/memory/spdsd12a.pdf
*
* Datasheet (alternative):
* - Name: SERIAL PRESENCE DETECT STANDARD, General Standard
* JEDEC Standard No. 21-C
* - PDF: http://www.jedec.org/download/search/4_01_02_00R9.PDF
*/
/* Byte numbers. */
#define SPD_NUM_MANUFACTURER_BYTES 0 /* Number of bytes used by module manufacturer */
#define SPD_TOTAL_SPD_MEMORY_SIZE 1 /* Total SPD memory size */
#define SPD_MEMORY_TYPE 2 /* (Fundamental) memory type */
#define SPD_NUM_ROWS 3 /* Number of row address bits */
#define SPD_NUM_COLUMNS 4 /* Number of column address bits */
#define SPD_NUM_DIMM_BANKS 5 /* Number of module rows (banks) */
#define SPD_MODULE_DATA_WIDTH_LSB 6 /* Module data width (LSB) */
#define SPD_MODULE_DATA_WIDTH_MSB 7 /* Module data width (MSB) */
#define SPD_MODULE_VOLTAGE 8 /* Module interface signal levels */
#define SPD_MIN_CYCLE_TIME_AT_CAS_MAX 9 /* SDRAM cycle time (highest CAS latency), RAS access time (tRAC) */
#define SPD_ACCESS_TIME_FROM_CLOCK 10 /* SDRAM access time from clock (highest CAS latency), CAS access time (Tac, tCAC) */
#define SPD_DIMM_CONFIG_TYPE 11 /* Module configuration type */
#define SPD_REFRESH 12 /* Refresh rate/type */
#define SPD_PRIMARY_SDRAM_WIDTH 13 /* SDRAM width (primary SDRAM) */
#define SPD_ERROR_CHECKING_SDRAM_WIDTH 14 /* Error checking SDRAM (data) width */
#define SPD_MIN_CLOCK_DELAY_B2B_RAND_COLUMN 15 /* SDRAM device attributes, minimum clock delay for back to back random column */
#define SPD_SUPPORTED_BURST_LENGTHS 16 /* SDRAM device attributes, burst lengths supported */
#define SPD_NUM_BANKS_PER_SDRAM 17 /* SDRAM device attributes, number of banks on SDRAM device */
#define SPD_ACCEPTABLE_CAS_LATENCIES 18 /* SDRAM device attributes, CAS latency */
#define SPD_CS_LATENCY 19 /* SDRAM device attributes, CS latency */
#define SPD_WE_LATENCY 20 /* SDRAM device attributes, WE latency */
#define SPD_MODULE_ATTRIBUTES 21 /* SDRAM module attributes */
#define SPD_DEVICE_ATTRIBUTES_GENERAL 22 /* SDRAM device attributes, general */
#define SPD_SDRAM_CYCLE_TIME_2ND 23 /* SDRAM cycle time (2nd highest CAS latency) */
#define SPD_ACCESS_TIME_FROM_CLOCK_2ND 24 /* SDRAM access from clock (2nd highest CAS latency) */
#define SPD_SDRAM_CYCLE_TIME_3RD 25 /* SDRAM cycle time (3rd highest CAS latency) */
#define SPD_ACCESS_TIME_FROM_CLOCK_3RD 26 /* SDRAM access from clock (3rd highest CAS latency) */
#define SPD_MIN_ROW_PRECHARGE_TIME 27 /* Minimum row precharge time (Trp) */
#define SPD_MIN_ROWACTIVE_TO_ROWACTIVE 28 /* Minimum row active to row active (Trrd) */
#define SPD_MIN_RAS_TO_CAS_DELAY 29 /* Minimum RAS to CAS delay (Trcd) */
#define SPD_MIN_ACTIVE_TO_PRECHARGE_DELAY 30 /* Minimum RAS pulse width (Tras) */
#define SPD_DENSITY_OF_EACH_ROW_ON_MODULE 31 /* Density of each row on module */
#define SPD_CMD_SIGNAL_INPUT_SETUP_TIME 32 /* Command and address signal input setup time */
#define SPD_CMD_SIGNAL_INPUT_HOLD_TIME 33 /* Command and address signal input hold time */
#define SPD_DATA_SIGNAL_INPUT_SETUP_TIME 34 /* Data signal input setup time */
#define SPD_DATA_SIGNAL_INPUT_HOLD_TIME 35 /* Data signal input hold time */
#define SPD_WRITE_RECOVERY_TIME 36 /* Write recovery time (tWR) */
#define SPD_INT_WRITE_TO_READ_DELAY 37 /* Internal write to read command delay (tWTR) */
#define SPD_INT_READ_TO_PRECHARGE_DELAY 38 /* Internal read to precharge command delay (tRTP) */
#define SPD_MEM_ANALYSIS_PROBE_PARAMS 39 /* Memory analysis probe characteristics */
#define SPD_BYTE_41_42_EXTENSION 40 /* Extension of byte 41 (tRC) and byte 42 (tRFC) */
#define SPD_MIN_ACT_TO_ACT_AUTO_REFRESH 41 /* Minimum active to active auto refresh (tRCmin) */
#define SPD_MIN_AUTO_REFRESH_TO_ACT 42 /* Minimum auto refresh to active/auto refresh (tRFC) */
#define SPD_MAX_DEVICE_CYCLE_TIME 43 /* Maximum device cycle time (tCKmax) */
#define SPD_MAX_DQS_DQ_SKEW 44 /* Maximum skew between DQS and DQ (tDQSQ) */
#define SPD_MAX_READ_DATAHOLD_SKEW 45 /* Maximum read data-hold skew factor (tQHS) */
#define SPD_PLL_RELOCK_TIME 46 /* PLL relock time */
#define SPD_SPD_DATA_REVISION_CODE 62 /* SPD data revision code */
#define SPD_CHECKSUM_FOR_BYTES_0_TO_62 63 /* Checksum for bytes 0-62 */
#define SPD_MANUFACTURER_JEDEC_ID_CODE 64 /* Manufacturer's JEDEC ID code, per EIA/JEP106 (bytes 64-71) */
#define SPD_MANUFACTURING_LOCATION 72 /* Manufacturing location */
#define SPD_MANUFACTURER_PART_NUMBER 73 /* Manufacturer's part number, in 6-bit ASCII (bytes 73-90) */
#define SPD_REVISION_CODE 91 /* Revision code (bytes 91-92) */
#define SPD_MANUFACTURING_DATE 93 /* Manufacturing date (byte 93: year, byte 94: week) */
#define SPD_ASSEMBLY_SERIAL_NUMBER 95 /* Assembly serial number (bytes 95-98) */
#define SPD_MANUFACTURER_SPECIFIC_DATA 99 /* Manufacturer specific data (bytes 99-125) */
#define SPD_INTEL_SPEC_FOR_FREQUENCY 126 /* Intel specification for frequency */
#define SPD_INTEL_SPEC_100_MHZ 127 /* Intel specification details for 100MHz support */
#define SPD_DDR3_MEMORY_BANK 0x75
#define SPD_DDR3_MEMORY_CODE 0x76
/* DRAM specifications use the following naming conventions for SPD locations */
#define SPD_tRP SPD_MIN_ROW_PRECHARGE_TIME
#define SPD_tRRD SPD_MIN_ROWACTIVE_TO_ROWACTIVE
#define SPD_tRCD SPD_MIN_RAS_TO_CAS_DELAY
#define SPD_tRAS SPD_MIN_ACTIVE_TO_PRECHARGE_DELAY
#define SPD_BANK_DENSITY SPD_DENSITY_OF_EACH_ROW_ON_MODULE
#define SPD_ADDRESS_CMD_HOLD SPD_CMD_SIGNAL_INPUT_HOLD_TIME
#define SPD_tRC41/* SDRAM Device Minimum Active to Active/Auto Refresh Time (tRC) */
#define SPD_tRFC42/* SDRAM Device Minimum Auto Refresh to Active/Auto Refresh (tRFC) */
/* SPD_MEMORY_TYPE values. */
#define SPD_MEMORY_TYPE_FPM_DRAM1
#define SPD_MEMORY_TYPE_EDO2
#define SPD_MEMORY_TYPE_PIPELINED_NIBBLE3
#define SPD_MEMORY_TYPE_SDRAM4
#define SPD_MEMORY_TYPE_MULTIPLEXED_ROM5
#define SPD_MEMORY_TYPE_SGRAM_DDR6
#define SPD_MEMORY_TYPE_SDRAM_DDR7
#define SPD_MEMORY_TYPE_SDRAM_DDR28
#define SPD_MEMORY_TYPE_SDRAM_DDR30xb
/* SPD_MODULE_VOLTAGE values. */
#define SPD_VOLTAGE_TTL0 /* 5.0 Volt/TTL */
#define SPD_VOLTAGE_LVTTL1 /* LVTTL */
#define SPD_VOLTAGE_HSTL2 /* HSTL 1.5 */
#define SPD_VOLTAGE_SSTL33 /* SSTL 3.3 */
#define SPD_VOLTAGE_SSTL24 /* SSTL 2.5 */
/* SPD_DIMM_CONFIG_TYPE values. */
#define ERROR_SCHEME_NONE0
#define ERROR_SCHEME_PARITY1
#define ERROR_SCHEME_ECC2
/* SPD_ACCEPTABLE_CAS_LATENCIES values. */
// TODO: Check values.
#define SPD_CAS_LATENCY_1_00x01
#define SPD_CAS_LATENCY_1_50x02
#define SPD_CAS_LATENCY_2_00x04
#define SPD_CAS_LATENCY_2_50x08
#define SPD_CAS_LATENCY_3_00x10
#define SPD_CAS_LATENCY_3_50x20
#define SPD_CAS_LATENCY_4_00x40
#define SPD_CAS_LATENCY_DDR2_3(1 << 3)
#define SPD_CAS_LATENCY_DDR2_4(1 << 4)
#define SPD_CAS_LATENCY_DDR2_5(1 << 5)
#define SPD_CAS_LATENCY_DDR2_6(1 << 6)
/* SPD_SUPPORTED_BURST_LENGTHS values. */
#define SPD_BURST_LENGTH_11
#define SPD_BURST_LENGTH_22
#define SPD_BURST_LENGTH_44
#define SPD_BURST_LENGTH_88
#define SPD_BURST_LENGTH_PAGE(1 << 7)
/* SPD_MODULE_ATTRIBUTES values. */
#define MODULE_BUFFERED1
#define MODULE_REGISTERED2
#endif /* !__LIBSAIO_SPD_H */
branches/azimutz/Chazi/i386/modules/Memory/Makefile
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MODULE_NAME = Memory
MODULE_VERSION = "1.0.0"
MODULE_COMPAT_VERSION = "1.0.0"
MODULE_START = _$(MODULE_NAME)_start
MODULE_DEPENDENCIES =
DIR = Memory
include ../../MakePaths.dir
OBJROOT=../../../obj/i386/modules/$(DIR)
SYMROOT=../../../sym/i386/modules/
DSTROOT=../../../dst/i386/modules/
UTILDIR = ../../util
LIBSADIR = ../../libsa
LIBSAIODIR = ../../libsaio
BOOT2DIR = ../../boot2
INSTALLDIR = $(DSTROOT)/System/Library/Frameworks/System.framework/Versions/B/PrivateHeaders/standalone
OPTIM = -Os -Oz
DEBUG = -DNOTHING
#DEBUG = -DDEBUG_HELLO_WORLD=1
CFLAGS= $(RC_CFLAGS) $(OPTIM) $(MORECPP) -arch i386 -g -Wmost \
-D__ARCHITECTURE__=\"i386\" -DSAIO_INTERNAL_USER \
-DRCZ_COMPRESSED_FILE_SUPPORT $(DEBUG) \
-fno-builtin $(OMIT_FRAME_POINTER_CFLAG) \
-mpreferred-stack-boundary=2 -fno-align-functions -fno-stack-protector \
-march=pentium4 -msse2 -mfpmath=sse -msoft-float -fno-common -mdynamic-no-pic
DEFINES=
CONFIG = hd
INC = -I. -I.. -I$(SYMROOT) -I$(UTILDIR) -I$(LIBSADIR) -I$(LIBSAIODIR) -I$(BOOT2DIR)
ifneq "" "$(wildcard /bin/mkdirs)"
MKDIRS = /bin/mkdirs
else
MKDIRS = /bin/mkdir -p
endif
AS = as
LD = ld
# LIBS= -lc_static
LIBS=
VPATH = $(OBJROOT):$(SYMROOT)
MEMORY_OBJS = dram_controllers.o mem.o spd.o Memory.o
SFILES =
CFILES =
HFILES =
EXPORTED_HFILES =
INSTALLED_HFILES =
OTHERFILES = Makefile
ALLSRC = $(SFILES) $(CFILES) \
$(HFILES) $(OTHERFILES)
DIRS_NEEDED = $(OBJROOT) $(SYMROOT)
all embedtheme optionrom: ${MEMORY_OBJS} dylib
dylib: ${GRAPHICS_ENABLER_OBJS}
ld -flat_namespace -arch i386 \
-undefined suppress \
-alias $(MODULE_START) start \
-dylib -read_only_relocs suppress \
-S -x -Z -dead_strip_dylibs \
-no_uuid \
-current_version $(MODULE_VERSION) -compatibility_version $(MODULE_COMPAT_VERSION) \
-final_output $(MODULE_NAME) \
$(OBJROOT)/dram_controllers.o \
$(OBJROOT)/spd.o \
$(OBJROOT)/mem.o \
$(OBJROOT)/Memory.o \
-o $(SYMROOT)/$(MODULE_NAME).dylib
dram_controllers.o:
$(CC) $(CPPFLAGS) $(CFLAGS) $(DEFINES) -c "dram_controllers.c" $(INC) -o "$(OBJROOT)/dram_controllers.o"
Memory.o:
$(CC) $(CPPFLAGS) $(CFLAGS) $(DEFINES) -c "Memory.c" $(INC) -o "$(OBJROOT)/Memory.o"
spd.o:
$(CC) $(CPPFLAGS) $(CFLAGS) $(DEFINES) -c "spd.c" $(INC) -o "$(OBJROOT)/spd.o"
mem.o:
$(CC) $(CPPFLAGS) $(CFLAGS) $(DEFINES) -c "mem.c" $(INC) -o "$(OBJROOT)/mem.o"
include ../../MakeInc.dir
# dependencies
-include $(OBJROOT)/Makedep
branches/azimutz/Chazi/i386/modules/Symbols/Makefile
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MODULE_COMPAT_VERSION = `ls ../../.svn &> /dev/null && (svn info ../../ | grep Revision | awk '{print $$2}') || echo 0`
MODULE_START = _$(MODULE_NAME)_start
MODULE_DEPENDENCIES =
DIR = HelloWorld
DIR = Symbols
include ../../MakePaths.dir
branches/azimutz/Chazi/i386/modules/GraphicsEnabler/GraphicsEnabler.c
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void GraphicsEnabler_start()
{
register_hook_callback(kGraphicsEnablerKey, &GraphicsEnabler_hook);
register_hook_callback("PCIDevice", &GraphicsEnabler_hook);
}
void GraphicsEnabler_hook(void* arg1, void* arg2, void* arg3, void* arg4)
{
pci_dt_t* current = arg1;
if(current->class_id != PCI_CLASS_DISPLAY_VGA) return;
char *devicepath = get_pci_dev_path(current);
bool do_gfx_devprop = false;
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MODULE_START = _$(MODULE_NAME)_start
MODULE_DEPENDENCIES =
DIR = HelloWorld
DIR = GraphicsEnabler
include ../../MakePaths.dir
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VPATH = $(OBJROOT):$(SYMROOT)
# The order of building is important.
# TODO: exclude Symbols from find so it isn't compiled twice
SUBDIRS = Symbols `find ./ -type d -depth 1 -not -name ".*"`
all embedtheme optionrom tags debug install installhdrs:

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Revision: 526