Code cleanup.
diff --git a/board/esd/cpci750/sdram_init.c b/board/esd/cpci750/sdram_init.c
index d22ffe5..db545ef 100644
--- a/board/esd/cpci750/sdram_init.c
+++ b/board/esd/cpci750/sdram_init.c
@@ -125,8 +125,8 @@
typedef enum _memoryType {SDRAM, DDR} MEMORY_TYPE;
typedef enum _voltageInterface {TTL_5V_TOLERANT, LVTTL, HSTL_1_5V,
- SSTL_3_3V, SSTL_2_5V, VOLTAGE_UNKNOWN,
- } VOLTAGE_INTERFACE;
+ SSTL_3_3V, SSTL_2_5V, VOLTAGE_UNKNOWN,
+ } VOLTAGE_INTERFACE;
typedef enum _max_CL_supported_DDR {DDR_CL_1=1, DDR_CL_1_5=2, DDR_CL_2=4, DDR_CL_2_5=8, DDR_CL_3=16, DDR_CL_3_5=32, DDR_CL_FAULT} MAX_CL_SUPPORTED_DDR;
typedef enum _max_CL_supported_SD {SD_CL_1=1, SD_CL_2, SD_CL_3, SD_CL_4, SD_CL_5, SD_CL_6, SD_CL_7, SD_FAULT} MAX_CL_SUPPORTED_SD;
@@ -248,760 +248,974 @@
/* This code reads the SPD chip on the sdram and populates
* the array which is passed in with the relevant information */
/* static int check_dimm(uchar slot, AUX_MEM_DIMM_INFO *info) */
-static int
-check_dimm(uchar slot, AUX_MEM_DIMM_INFO *dimmInfo)
-
+static int check_dimm (uchar slot, AUX_MEM_DIMM_INFO * dimmInfo)
{
- DECLARE_GLOBAL_DATA_PTR;
+ DECLARE_GLOBAL_DATA_PTR;
- unsigned long spd_checksum;
+ unsigned long spd_checksum;
uchar addr = slot == 0 ? DIMM0_I2C_ADDR : DIMM1_I2C_ADDR;
int ret;
- unsigned int i,j,density = 1,devicesForErrCheck = 0;
+ unsigned int i, j, density = 1, devicesForErrCheck = 0;
+
#ifdef DEBUG
- unsigned int k;
+ unsigned int k;
#endif
- unsigned int rightOfPoint = 0,leftOfPoint = 0, mult, div, time_tmp;
- int sign = 1,shift,maskLeftOfPoint,maskRightOfPoint;
+ unsigned int rightOfPoint = 0, leftOfPoint = 0, mult, div, time_tmp;
+ int sign = 1, shift, maskLeftOfPoint, maskRightOfPoint;
uchar supp_cal, cal_val;
ulong memclk, tmemclk;
ulong tmp;
- uchar trp_clocks=0, trcd_clocks, tras_clocks, trrd_clocks;
+ uchar trp_clocks = 0, trcd_clocks, tras_clocks, trrd_clocks;
uchar data[128];
memclk = gd->bus_clk;
- tmemclk = 1000000000 / (memclk / 100); /* in 10 ps units */
+ tmemclk = 1000000000 / (memclk / 100); /* in 10 ps units */
- memset(data, 0, sizeof(data));
+ memset (data, 0, sizeof (data));
ret = 0;
- DP(puts("before i2c read\n"));
+ DP (puts ("before i2c read\n"));
- ret = i2c_read(addr, 0, 2, data, 128);
+ ret = i2c_read (addr, 0, 2, data, 128);
- DP(puts("after i2c read\n"));
+ DP (puts ("after i2c read\n"));
- if ((data[64] != 'e') || (data[65] != 's') || (data[66] != 'd') || (data[67] != '-') ||
- (data[68] != 'g') || (data[69] != 'm') || (data[70] != 'b') || (data[71] != 'h'))
- {
- ret = -1;
- }
+ if ((data[64] != 'e') || (data[65] != 's') || (data[66] != 'd')
+ || (data[67] != '-') || (data[68] != 'g') || (data[69] != 'm')
+ || (data[70] != 'b') || (data[71] != 'h')) {
+ ret = -1;
+ }
- if ((ret != 0) && (slot == 0))
- {
- memset(data, 0, sizeof(data));
- data[ 0] = 0x80; data[ 1] = 0x08; data[ 2] = 0x07; data[ 3] = 0x0c;
- data[ 4] = 0x09; data[ 5] = 0x01; data[ 6] = 0x48; data[ 7] = 0x00;
- data[ 8] = 0x04; data[ 9] = 0x75; data[10] = 0x80; data[11] = 0x02;
- data[12] = 0x80; data[13] = 0x10; data[14] = 0x08; data[15] = 0x01;
- data[16] = 0x0e; data[17] = 0x04; data[18] = 0x0c; data[19] = 0x01;
- data[20] = 0x02; data[21] = 0x20; data[22] = 0x00; data[23] = 0xa0;
- data[24] = 0x80; data[25] = 0x00; data[26] = 0x00; data[27] = 0x50;
- data[28] = 0x3c; data[29] = 0x50; data[30] = 0x32; data[31] = 0x10;
- data[32] = 0xb0; data[33] = 0xb0; data[34] = 0x60; data[35] = 0x60;
- data[64] = 'e' ; data[65] = 's' ; data[66] = 'd' ; data[67] = '-' ;
- data[68] = 'g' ; data[69] = 'm' ; data[70] = 'b' ; data[71] = 'h' ;
- ret = 0;
- }
+ if ((ret != 0) && (slot == 0)) {
+ memset (data, 0, sizeof (data));
+ data[0] = 0x80;
+ data[1] = 0x08;
+ data[2] = 0x07;
+ data[3] = 0x0c;
+ data[4] = 0x09;
+ data[5] = 0x01;
+ data[6] = 0x48;
+ data[7] = 0x00;
+ data[8] = 0x04;
+ data[9] = 0x75;
+ data[10] = 0x80;
+ data[11] = 0x02;
+ data[12] = 0x80;
+ data[13] = 0x10;
+ data[14] = 0x08;
+ data[15] = 0x01;
+ data[16] = 0x0e;
+ data[17] = 0x04;
+ data[18] = 0x0c;
+ data[19] = 0x01;
+ data[20] = 0x02;
+ data[21] = 0x20;
+ data[22] = 0x00;
+ data[23] = 0xa0;
+ data[24] = 0x80;
+ data[25] = 0x00;
+ data[26] = 0x00;
+ data[27] = 0x50;
+ data[28] = 0x3c;
+ data[29] = 0x50;
+ data[30] = 0x32;
+ data[31] = 0x10;
+ data[32] = 0xb0;
+ data[33] = 0xb0;
+ data[34] = 0x60;
+ data[35] = 0x60;
+ data[64] = 'e';
+ data[65] = 's';
+ data[66] = 'd';
+ data[67] = '-';
+ data[68] = 'g';
+ data[69] = 'm';
+ data[70] = 'b';
+ data[71] = 'h';
+ ret = 0;
+ }
/* zero all the values */
- memset(dimmInfo, 0, sizeof(*dimmInfo));
+ memset (dimmInfo, 0, sizeof (*dimmInfo));
- /* copy the SPD content 1:1 into the dimmInfo structure*/
- for(i = 0 ; i <= 127 ; i++)
- {
- dimmInfo->spd_raw_data[i] = data[i];
- }
+ /* copy the SPD content 1:1 into the dimmInfo structure */
+ for (i = 0; i <= 127; i++) {
+ dimmInfo->spd_raw_data[i] = data[i];
+ }
if (ret) {
- DP(printf("No DIMM in slot %d [err = %x]\n", slot, ret));
+ DP (printf ("No DIMM in slot %d [err = %x]\n", slot, ret));
return 0;
- }
- else
- dimmInfo->slot = slot; /* start to fill up dimminfo for this "slot" */
+ } else
+ dimmInfo->slot = slot; /* start to fill up dimminfo for this "slot" */
#ifdef CFG_DISPLAY_DIMM_SPD_CONTENT
- for(i = 0 ; i <= 127 ; i++)
- {
- printf("SPD-EEPROM Byte %3d = %3x (%3d)\n", i, data[i], data[i]);
- }
+ for (i = 0; i <= 127; i++) {
+ printf ("SPD-EEPROM Byte %3d = %3x (%3d)\n", i, data[i],
+ data[i]);
+ }
#endif
#ifdef DEBUG
-/* find Manufactura of Dimm Module */
- for(i = 0 ; i < sizeof(dimmInfo->manufactura) ; i++)
- {
- dimmInfo->manufactura[i] = data[64+i];
- }
- printf("\nThis RAM-Module is produced by: %s\n", dimmInfo->manufactura);
+ /* find Manufacturer of Dimm Module */
+ for (i = 0; i < sizeof (dimmInfo->manufactura); i++) {
+ dimmInfo->manufactura[i] = data[64 + i];
+ }
+ printf ("\nThis RAM-Module is produced by: %s\n",
+ dimmInfo->manufactura);
-/* find Manul-ID of Dimm Module */
- for(i = 0 ; i < sizeof(dimmInfo->modul_id) ; i++)
- {
- dimmInfo->modul_id[i] = data[73+i];
- }
- printf("The Module-ID of this RAM-Module is: %s\n", dimmInfo->modul_id);
+ /* find Manul-ID of Dimm Module */
+ for (i = 0; i < sizeof (dimmInfo->modul_id); i++) {
+ dimmInfo->modul_id[i] = data[73 + i];
+ }
+ printf ("The Module-ID of this RAM-Module is: %s\n",
+ dimmInfo->modul_id);
-/* find Vendor-Data of Dimm Module */
- for(i = 0 ; i < sizeof(dimmInfo->vendor_data) ; i++)
- {
- dimmInfo->vendor_data[i] = data[99+i];
- }
- printf("Vendor Data of this RAM-Module is: %s\n", dimmInfo->vendor_data);
+ /* find Vendor-Data of Dimm Module */
+ for (i = 0; i < sizeof (dimmInfo->vendor_data); i++) {
+ dimmInfo->vendor_data[i] = data[99 + i];
+ }
+ printf ("Vendor Data of this RAM-Module is: %s\n",
+ dimmInfo->vendor_data);
-/* find modul_serial_no of Dimm Module */
- dimmInfo->modul_serial_no = (*((unsigned long *)(&data[95])));
- printf("Serial No. of this RAM-Module is: %ld (%lx)\n", dimmInfo->modul_serial_no, dimmInfo->modul_serial_no);
+ /* find modul_serial_no of Dimm Module */
+ dimmInfo->modul_serial_no = (*((unsigned long *) (&data[95])));
+ printf ("Serial No. of this RAM-Module is: %ld (%lx)\n",
+ dimmInfo->modul_serial_no, dimmInfo->modul_serial_no);
-/* find Manufac-Data of Dimm Module */
- dimmInfo->manufac_date = (*((unsigned int *)(&data[93])));
- printf("Manufactoring Date of this RAM-Module is: %d.%d\n", data[93], data [94]); /*dimmInfo->manufac_date*/
+ /* find Manufac-Data of Dimm Module */
+ dimmInfo->manufac_date = (*((unsigned int *) (&data[93])));
+ printf ("Manufactoring Date of this RAM-Module is: %d.%d\n", data[93], data[94]); /*dimmInfo->manufac_date */
-/* find modul_revision of Dimm Module */
- dimmInfo->modul_revision = (*((unsigned int *)(&data[91])));
- printf("Module Revision of this RAM-Module is: %d.%d\n", data[91], data [92]); /* dimmInfo->modul_revision*/
+ /* find modul_revision of Dimm Module */
+ dimmInfo->modul_revision = (*((unsigned int *) (&data[91])));
+ printf ("Module Revision of this RAM-Module is: %d.%d\n", data[91], data[92]); /* dimmInfo->modul_revision */
-/* find manufac_place of Dimm Module */
- dimmInfo->manufac_place = (*((unsigned char *)(&data[72])));
- printf("manufac_place of this RAM-Module is: %d\n", dimmInfo->manufac_place);
+ /* find manufac_place of Dimm Module */
+ dimmInfo->manufac_place = (*((unsigned char *) (&data[72])));
+ printf ("manufac_place of this RAM-Module is: %d\n",
+ dimmInfo->manufac_place);
#endif
/*------------------------------------------------------------------------------------------------------------------------------*/
/* calculate SPD checksum */
/*------------------------------------------------------------------------------------------------------------------------------*/
- spd_checksum = 0;
-#if 0 /* test-only */
- for(i = 0 ; i <= 62 ; i++)
- {
- spd_checksum += data[i];
- }
+ spd_checksum = 0;
+#if 0 /* test-only */
+ for (i = 0; i <= 62; i++) {
+ spd_checksum += data[i];
+ }
- if ((spd_checksum & 0xff) != data[63])
- {
- printf("### Error in SPD Checksum !!! Is_value: %2x should value %2x\n", (unsigned int)(spd_checksum & 0xff), data[63]);
- hang();
- }
+ if ((spd_checksum & 0xff) != data[63]) {
+ printf ("### Error in SPD Checksum !!! Is_value: %2x should value %2x\n", (unsigned int) (spd_checksum & 0xff), data[63]);
+ hang ();
+ }
- else
- printf("SPD Checksum ok!\n");
+ else
+ printf ("SPD Checksum ok!\n");
#endif /* test-only */
/*------------------------------------------------------------------------------------------------------------------------------*/
- for(i = 2 ; i <= 35 ; i++)
- {
- switch(i)
- {
- case 2: /* Memory type (DDR / SDRAM) */
- dimmInfo->memoryType = (data[i] == 0x7)? DDR:SDRAM;
- #ifdef DEBUG
- if (dimmInfo->memoryType == 0)
- DP(printf("Dram_type in slot %d is: SDRAM\n", dimmInfo->slot));
- if (dimmInfo->memoryType == 1)
- DP(printf("Dram_type in slot %d is: DDRAM\n", dimmInfo->slot));
- #endif
- break;
+ for (i = 2; i <= 35; i++) {
+ switch (i) {
+ case 2: /* Memory type (DDR / SDRAM) */
+ dimmInfo->memoryType = (data[i] == 0x7) ? DDR : SDRAM;
+#ifdef DEBUG
+ if (dimmInfo->memoryType == 0)
+ DP (printf
+ ("Dram_type in slot %d is: SDRAM\n",
+ dimmInfo->slot));
+ if (dimmInfo->memoryType == 1)
+ DP (printf
+ ("Dram_type in slot %d is: DDRAM\n",
+ dimmInfo->slot));
+#endif
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 3: /* Number Of Row Addresses */
- dimmInfo->numOfRowAddresses = data[i];
- DP(printf("Module Number of row addresses: %d\n", dimmInfo->numOfRowAddresses));
- break;
+ case 3: /* Number Of Row Addresses */
+ dimmInfo->numOfRowAddresses = data[i];
+ DP (printf
+ ("Module Number of row addresses: %d\n",
+ dimmInfo->numOfRowAddresses));
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 4: /* Number Of Column Addresses */
- dimmInfo->numOfColAddresses = data[i];
- DP(printf("Module Number of col addresses: %d\n", dimmInfo->numOfColAddresses));
- break;
+ case 4: /* Number Of Column Addresses */
+ dimmInfo->numOfColAddresses = data[i];
+ DP (printf
+ ("Module Number of col addresses: %d\n",
+ dimmInfo->numOfColAddresses));
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 5: /* Number Of Module Banks */
- dimmInfo->numOfModuleBanks = data[i];
- DP(printf("Number of Banks on Mod. : %d\n", dimmInfo->numOfModuleBanks));
- break;
+ case 5: /* Number Of Module Banks */
+ dimmInfo->numOfModuleBanks = data[i];
+ DP (printf
+ ("Number of Banks on Mod. : %d\n",
+ dimmInfo->numOfModuleBanks));
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 6: /* Data Width */
- dimmInfo->dataWidth = data[i];
- DP(printf("Module Data Width: %d\n", dimmInfo->dataWidth));
- break;
+ case 6: /* Data Width */
+ dimmInfo->dataWidth = data[i];
+ DP (printf
+ ("Module Data Width: %d\n",
+ dimmInfo->dataWidth));
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 8: /* Voltage Interface */
- switch(data[i])
- {
- case 0x0:
- dimmInfo->voltageInterface = TTL_5V_TOLERANT;
- DP(printf("Module is TTL_5V_TOLERANT\n"));
- break;
- case 0x1:
- dimmInfo->voltageInterface = LVTTL;
- DP(printf("Module is LVTTL\n"));
- break;
- case 0x2:
- dimmInfo->voltageInterface = HSTL_1_5V;
- DP(printf("Module is TTL_5V_TOLERANT\n"));
- break;
- case 0x3:
- dimmInfo->voltageInterface = SSTL_3_3V;
- DP(printf("Module is HSTL_1_5V\n"));
- break;
- case 0x4:
- dimmInfo->voltageInterface = SSTL_2_5V;
- DP(printf("Module is SSTL_2_5V\n"));
- break;
- default:
- dimmInfo->voltageInterface = VOLTAGE_UNKNOWN;
- DP(printf("Module is VOLTAGE_UNKNOWN\n"));
- break;
- }
- break;
+ case 8: /* Voltage Interface */
+ switch (data[i]) {
+ case 0x0:
+ dimmInfo->voltageInterface = TTL_5V_TOLERANT;
+ DP (printf
+ ("Module is TTL_5V_TOLERANT\n"));
+ break;
+ case 0x1:
+ dimmInfo->voltageInterface = LVTTL;
+ DP (printf
+ ("Module is LVTTL\n"));
+ break;
+ case 0x2:
+ dimmInfo->voltageInterface = HSTL_1_5V;
+ DP (printf
+ ("Module is TTL_5V_TOLERANT\n"));
+ break;
+ case 0x3:
+ dimmInfo->voltageInterface = SSTL_3_3V;
+ DP (printf
+ ("Module is HSTL_1_5V\n"));
+ break;
+ case 0x4:
+ dimmInfo->voltageInterface = SSTL_2_5V;
+ DP (printf
+ ("Module is SSTL_2_5V\n"));
+ break;
+ default:
+ dimmInfo->voltageInterface = VOLTAGE_UNKNOWN;
+ DP (printf
+ ("Module is VOLTAGE_UNKNOWN\n"));
+ break;
+ }
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 9: /* Minimum Cycle Time At Max CasLatancy */
- shift = (dimmInfo->memoryType == DDR)? 4:2;
- mult = (dimmInfo->memoryType == DDR)? 10:25;
- maskLeftOfPoint = (dimmInfo->memoryType == DDR)? 0xf0:0xfc;
- maskRightOfPoint = (dimmInfo->memoryType == DDR)? 0xf:0x03;
- leftOfPoint = (data[i] & maskLeftOfPoint) >> shift;
- rightOfPoint = (data[i] & maskRightOfPoint)* mult;
- dimmInfo->minimumCycleTimeAtMaxCasLatancy_LoP = leftOfPoint;
- dimmInfo->minimumCycleTimeAtMaxCasLatancy_RoP = rightOfPoint;
- DP(printf("Minimum Cycle Time At Max CasLatancy: %d.%d [ns]\n",leftOfPoint, rightOfPoint));
- break;
+ case 9: /* Minimum Cycle Time At Max CasLatancy */
+ shift = (dimmInfo->memoryType == DDR) ? 4 : 2;
+ mult = (dimmInfo->memoryType == DDR) ? 10 : 25;
+ maskLeftOfPoint =
+ (dimmInfo->memoryType == DDR) ? 0xf0 : 0xfc;
+ maskRightOfPoint =
+ (dimmInfo->memoryType == DDR) ? 0xf : 0x03;
+ leftOfPoint = (data[i] & maskLeftOfPoint) >> shift;
+ rightOfPoint = (data[i] & maskRightOfPoint) * mult;
+ dimmInfo->minimumCycleTimeAtMaxCasLatancy_LoP =
+ leftOfPoint;
+ dimmInfo->minimumCycleTimeAtMaxCasLatancy_RoP =
+ rightOfPoint;
+ DP (printf
+ ("Minimum Cycle Time At Max CasLatancy: %d.%d [ns]\n",
+ leftOfPoint, rightOfPoint));
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 10: /* Clock To Data Out */
- div = (dimmInfo->memoryType == DDR)? 100:10;
- time_tmp = (((data[i] & 0xf0) >> 4)*10) + ((data[i] & 0x0f));
- leftOfPoint = time_tmp / div;
- rightOfPoint = time_tmp % div;
- dimmInfo->clockToDataOut_LoP = leftOfPoint;
- dimmInfo->clockToDataOut_RoP = rightOfPoint;
- DP(printf("Clock To Data Out: %d.%2d [ns]\n",leftOfPoint, rightOfPoint ));
- /*dimmInfo->clockToDataOut*/
- break;
+ case 10: /* Clock To Data Out */
+ div = (dimmInfo->memoryType == DDR) ? 100 : 10;
+ time_tmp =
+ (((data[i] & 0xf0) >> 4) * 10) +
+ ((data[i] & 0x0f));
+ leftOfPoint = time_tmp / div;
+ rightOfPoint = time_tmp % div;
+ dimmInfo->clockToDataOut_LoP = leftOfPoint;
+ dimmInfo->clockToDataOut_RoP = rightOfPoint;
+ DP (printf
+ ("Clock To Data Out: %d.%2d [ns]\n",
+ leftOfPoint, rightOfPoint));
+ /*dimmInfo->clockToDataOut */
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
#ifdef CONFIG_ECC
- case 11: /* Error Check Type */
- dimmInfo->errorCheckType = data[i];
- DP(printf("Error Check Type (0=NONE): %d\n", dimmInfo->errorCheckType));
- break;
+ case 11: /* Error Check Type */
+ dimmInfo->errorCheckType = data[i];
+ DP (printf
+ ("Error Check Type (0=NONE): %d\n",
+ dimmInfo->errorCheckType));
+ break;
#endif
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 12: /* Refresh Interval */
- dimmInfo->RefreshInterval = data[i];
- DP(printf("RefreshInterval (80= Self refresh Normal, 15.625us) : %x\n", dimmInfo->RefreshInterval));
- break;
+ case 12: /* Refresh Interval */
+ dimmInfo->RefreshInterval = data[i];
+ DP (printf
+ ("RefreshInterval (80= Self refresh Normal, 15.625us) : %x\n",
+ dimmInfo->RefreshInterval));
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 13: /* Sdram Width */
- dimmInfo->sdramWidth = data[i];
- DP(printf("Sdram Width: %d\n", dimmInfo->sdramWidth));
- break;
+ case 13: /* Sdram Width */
+ dimmInfo->sdramWidth = data[i];
+ DP (printf
+ ("Sdram Width: %d\n",
+ dimmInfo->sdramWidth));
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 14: /* Error Check Data Width */
- dimmInfo->errorCheckDataWidth = data[i];
- DP(printf("Error Check Data Width: %d\n", dimmInfo->errorCheckDataWidth));
- break;
+ case 14: /* Error Check Data Width */
+ dimmInfo->errorCheckDataWidth = data[i];
+ DP (printf
+ ("Error Check Data Width: %d\n",
+ dimmInfo->errorCheckDataWidth));
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 15: /* Minimum Clock Delay */
- dimmInfo->minClkDelay = data[i];
- DP(printf("Minimum Clock Delay: %d\n", dimmInfo->minClkDelay));
- break;
+ case 15: /* Minimum Clock Delay */
+ dimmInfo->minClkDelay = data[i];
+ DP (printf
+ ("Minimum Clock Delay: %d\n",
+ dimmInfo->minClkDelay));
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 16: /* Burst Length Supported */
- /******-******-******-*******
- * bit3 | bit2 | bit1 | bit0 *
- *******-******-******-*******
- burst length = * 8 | 4 | 2 | 1 *
- *****************************
+ case 16: /* Burst Length Supported */
+ /******-******-******-*******
+ * bit3 | bit2 | bit1 | bit0 *
+ *******-******-******-*******
+ burst length = * 8 | 4 | 2 | 1 *
+ *****************************
- If for example bit0 and bit2 are set, the burst
- length supported are 1 and 4. */
+ If for example bit0 and bit2 are set, the burst
+ length supported are 1 and 4. */
- dimmInfo->burstLengthSupported = data[i];
+ dimmInfo->burstLengthSupported = data[i];
#ifdef DEBUG
- DP(printf("Burst Length Supported: "));
- if (dimmInfo->burstLengthSupported & 0x01)
- DP(printf("1, "));
- if (dimmInfo->burstLengthSupported & 0x02)
- DP(printf("2, "));
- if (dimmInfo->burstLengthSupported & 0x04)
- DP(printf("4, "));
- if (dimmInfo->burstLengthSupported & 0x08)
- DP(printf("8, "));
- DP(printf(" Bit \n"));
+ DP (printf
+ ("Burst Length Supported: "));
+ if (dimmInfo->burstLengthSupported & 0x01)
+ DP (printf ("1, "));
+ if (dimmInfo->burstLengthSupported & 0x02)
+ DP (printf ("2, "));
+ if (dimmInfo->burstLengthSupported & 0x04)
+ DP (printf ("4, "));
+ if (dimmInfo->burstLengthSupported & 0x08)
+ DP (printf ("8, "));
+ DP (printf (" Bit \n"));
#endif
- break;
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 17: /* Number Of Banks On Each Device */
- dimmInfo->numOfBanksOnEachDevice = data[i];
- DP(printf("Number Of Banks On Each Chip: %d\n", dimmInfo->numOfBanksOnEachDevice));
- break;
+ case 17: /* Number Of Banks On Each Device */
+ dimmInfo->numOfBanksOnEachDevice = data[i];
+ DP (printf
+ ("Number Of Banks On Each Chip: %d\n",
+ dimmInfo->numOfBanksOnEachDevice));
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 18: /* Suported Cas Latencies */
+ case 18: /* Suported Cas Latencies */
- /* DDR:
- *******-******-******-******-******-******-******-*******
- * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 *
- *******-******-******-******-******-******-******-*******
- CAS = * TBD | TBD | 3.5 | 3 | 2.5 | 2 | 1.5 | 1 *
- *********************************************************
- SDRAM:
- *******-******-******-******-******-******-******-*******
- * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 *
- *******-******-******-******-******-******-******-*******
- CAS = * TBD | 7 | 6 | 5 | 4 | 3 | 2 | 1 *
- ********************************************************/
- dimmInfo->suportedCasLatencies = data[i];
+ /* DDR:
+ *******-******-******-******-******-******-******-*******
+ * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 *
+ *******-******-******-******-******-******-******-*******
+ CAS = * TBD | TBD | 3.5 | 3 | 2.5 | 2 | 1.5 | 1 *
+ *********************************************************
+ SDRAM:
+ *******-******-******-******-******-******-******-*******
+ * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 *
+ *******-******-******-******-******-******-******-*******
+ CAS = * TBD | 7 | 6 | 5 | 4 | 3 | 2 | 1 *
+ ********************************************************/
+ dimmInfo->suportedCasLatencies = data[i];
#ifdef DEBUG
- DP(printf("Suported Cas Latencies: (CL) "));
- if (dimmInfo->memoryType == 0) /* SDRAM*/
- {
- for (k = 0; k <=7; k++)
- {
- if (dimmInfo->suportedCasLatencies & (1 << k))
- DP(printf("%d, ", k+1));
- }
+ DP (printf
+ ("Suported Cas Latencies: (CL) "));
+ if (dimmInfo->memoryType == 0) { /* SDRAM */
+ for (k = 0; k <= 7; k++) {
+ if (dimmInfo->
+ suportedCasLatencies & (1 << k))
+ DP (printf
+ ("%d, ",
+ k + 1));
+ }
- }
- else /* DDR-RAM*/
- {
- if (dimmInfo->suportedCasLatencies & 1)
- DP(printf("1, "));
- if (dimmInfo->suportedCasLatencies & 2)
- DP(printf("1.5, "));
- if (dimmInfo->suportedCasLatencies & 4)
- DP(printf("2, "));
- if (dimmInfo->suportedCasLatencies & 8)
- DP(printf("2.5, "));
- if (dimmInfo->suportedCasLatencies & 16)
- DP(printf("3, "));
- if (dimmInfo->suportedCasLatencies & 32)
- DP(printf("3.5, "));
+ } else { /* DDR-RAM */
- }
- DP(printf("\n"));
+ if (dimmInfo->suportedCasLatencies & 1)
+ DP (printf ("1, "));
+ if (dimmInfo->suportedCasLatencies & 2)
+ DP (printf ("1.5, "));
+ if (dimmInfo->suportedCasLatencies & 4)
+ DP (printf ("2, "));
+ if (dimmInfo->suportedCasLatencies & 8)
+ DP (printf ("2.5, "));
+ if (dimmInfo->suportedCasLatencies & 16)
+ DP (printf ("3, "));
+ if (dimmInfo->suportedCasLatencies & 32)
+ DP (printf ("3.5, "));
+
+ }
+ DP (printf ("\n"));
#endif
- /* Calculating MAX CAS latency */
- for(j = 7 ; j > 0 ; j--)
- {
- if(((dimmInfo->suportedCasLatencies >> j) & 0x1) == 1)
- {
- switch(dimmInfo->memoryType)
- {
- case DDR:
- /* CAS latency 1, 1.5, 2, 2.5, 3, 3.5 */
- switch (j)
+ /* Calculating MAX CAS latency */
+ for (j = 7; j > 0; j--) {
+ if (((dimmInfo->
+ suportedCasLatencies >> j) & 0x1) ==
+ 1) {
+ switch (dimmInfo->memoryType) {
+ case DDR:
+ /* CAS latency 1, 1.5, 2, 2.5, 3, 3.5 */
+ switch (j) {
+ case 7:
+ DP (printf
+ ("Max. Cas Latencies (DDR): ERROR !!!\n"));
+ dimmInfo->
+ maxClSupported_DDR
+ =
+ DDR_CL_FAULT;
+ hang ();
+ break;
+ case 6:
+ DP (printf
+ ("Max. Cas Latencies (DDR): ERROR !!!\n"));
+ dimmInfo->
+ maxClSupported_DDR
+ =
+ DDR_CL_FAULT;
+ hang ();
+ break;
+ case 5:
+ DP (printf
+ ("Max. Cas Latencies (DDR): 3.5 clk's\n"));
+ dimmInfo->
+ maxClSupported_DDR
+ = DDR_CL_3_5;
+ break;
+ case 4:
+ DP (printf
+ ("Max. Cas Latencies (DDR): 3 clk's \n"));
+ dimmInfo->
+ maxClSupported_DDR
+ = DDR_CL_3;
+ break;
+ case 3:
+ DP (printf
+ ("Max. Cas Latencies (DDR): 2.5 clk's \n"));
+ dimmInfo->
+ maxClSupported_DDR
+ = DDR_CL_2_5;
+ break;
+ case 2:
+ DP (printf
+ ("Max. Cas Latencies (DDR): 2 clk's \n"));
+ dimmInfo->
+ maxClSupported_DDR
+ = DDR_CL_2;
+ break;
+ case 1:
+ DP (printf
+ ("Max. Cas Latencies (DDR): 1.5 clk's \n"));
+ dimmInfo->
+ maxClSupported_DDR
+ = DDR_CL_1_5;
+ break;
+ }
+ dimmInfo->
+ maxCASlatencySupported_LoP
+ =
+ 1 +
+ (int) (5 * j / 10);
+ if (((5 * j) % 10) != 0)
+ dimmInfo->
+ maxCASlatencySupported_RoP
+ = 5;
+ else
+ dimmInfo->
+ maxCASlatencySupported_RoP
+ = 0;
+ DP (printf
+ ("Max. Cas Latencies (DDR LoP.RoP Notation): %d.%d \n",
+ dimmInfo->
+ maxCASlatencySupported_LoP,
+ dimmInfo->
+ maxCASlatencySupported_RoP));
+ break;
+ case SDRAM:
+ /* CAS latency 1, 2, 3, 4, 5, 6, 7 */
+ dimmInfo->maxClSupported_SD = j; /* Cas Latency DDR-RAM Coded */
+ DP (printf
+ ("Max. Cas Latencies (SD): %d\n",
+ dimmInfo->
+ maxClSupported_SD));
+ dimmInfo->
+ maxCASlatencySupported_LoP
+ = j;
+ dimmInfo->
+ maxCASlatencySupported_RoP
+ = 0;
+ DP (printf
+ ("Max. Cas Latencies (DDR LoP.RoP Notation): %d.%d \n",
+ dimmInfo->
+ maxCASlatencySupported_LoP,
+ dimmInfo->
+ maxCASlatencySupported_RoP));
+ break;
+ }
+ break;
+ }
+ }
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 21: /* Buffered Address And Control Inputs */
+ DP (printf ("\nModul Attributes (SPD Byte 21): \n"));
+ dimmInfo->bufferedAddrAndControlInputs =
+ data[i] & BIT0;
+ dimmInfo->registeredAddrAndControlInputs =
+ (data[i] & BIT1) >> 1;
+ dimmInfo->onCardPLL = (data[i] & BIT2) >> 2;
+ dimmInfo->bufferedDQMBinputs = (data[i] & BIT3) >> 3;
+ dimmInfo->registeredDQMBinputs =
+ (data[i] & BIT4) >> 4;
+ dimmInfo->differentialClockInput =
+ (data[i] & BIT5) >> 5;
+ dimmInfo->redundantRowAddressing =
+ (data[i] & BIT6) >> 6;
+#ifdef DEBUG
+ if (dimmInfo->bufferedAddrAndControlInputs == 1)
+ DP (printf
+ (" - Buffered Address/Control Input: Yes \n"));
+ else
+ DP (printf
+ (" - Buffered Address/Control Input: No \n"));
+
+ if (dimmInfo->registeredAddrAndControlInputs == 1)
+ DP (printf
+ (" - Registered Address/Control Input: Yes \n"));
+ else
+ DP (printf
+ (" - Registered Address/Control Input: No \n"));
+
+ if (dimmInfo->onCardPLL == 1)
+ DP (printf
+ (" - On-Card PLL (clock): Yes \n"));
+ else
+ DP (printf
+ (" - On-Card PLL (clock): No \n"));
+
+ if (dimmInfo->bufferedDQMBinputs == 1)
+ DP (printf
+ (" - Bufferd DQMB Inputs: Yes \n"));
+ else
+ DP (printf
+ (" - Bufferd DQMB Inputs: No \n"));
+
+ if (dimmInfo->registeredDQMBinputs == 1)
+ DP (printf
+ (" - Registered DQMB Inputs: Yes \n"));
+ else
+ DP (printf
+ (" - Registered DQMB Inputs: No \n"));
+
+ if (dimmInfo->differentialClockInput == 1)
+ DP (printf
+ (" - Differential Clock Input: Yes \n"));
+ else
+ DP (printf
+ (" - Differential Clock Input: No \n"));
+
+ if (dimmInfo->redundantRowAddressing == 1)
+ DP (printf
+ (" - redundant Row Addressing: Yes \n"));
+ else
+ DP (printf
+ (" - redundant Row Addressing: No \n"));
+
+#endif
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 22: /* Suported AutoPreCharge */
+ DP (printf ("\nModul Attributes (SPD Byte 22): \n"));
+ dimmInfo->suportedEarlyRasPreCharge = data[i] & BIT0;
+ dimmInfo->suportedAutoPreCharge =
+ (data[i] & BIT1) >> 1;
+ dimmInfo->suportedPreChargeAll =
+ (data[i] & BIT2) >> 2;
+ dimmInfo->suportedWrite1ReadBurst =
+ (data[i] & BIT3) >> 3;
+ dimmInfo->suported5PercentLowVCC =
+ (data[i] & BIT4) >> 4;
+ dimmInfo->suported5PercentUpperVCC =
+ (data[i] & BIT5) >> 5;
+#ifdef DEBUG
+ if (dimmInfo->suportedEarlyRasPreCharge == 1)
+ DP (printf
+ (" - Early Ras Precharge: Yes \n"));
+ else
+ DP (printf
+ (" - Early Ras Precharge: No \n"));
+
+ if (dimmInfo->suportedAutoPreCharge == 1)
+ DP (printf
+ (" - AutoPreCharge: Yes \n"));
+ else
+ DP (printf
+ (" - AutoPreCharge: No \n"));
+
+ if (dimmInfo->suportedPreChargeAll == 1)
+ DP (printf
+ (" - Precharge All: Yes \n"));
+ else
+ DP (printf
+ (" - Precharge All: No \n"));
+
+ if (dimmInfo->suportedWrite1ReadBurst == 1)
+ DP (printf
+ (" - Write 1/ReadBurst: Yes \n"));
+ else
+ DP (printf
+ (" - Write 1/ReadBurst: No \n"));
+
+ if (dimmInfo->suported5PercentLowVCC == 1)
+ DP (printf
+ (" - lower VCC tolerance: 5 Percent \n"));
+ else
+ DP (printf
+ (" - lower VCC tolerance: 10 Percent \n"));
+
+ if (dimmInfo->suported5PercentUpperVCC == 1)
+ DP (printf
+ (" - upper VCC tolerance: 5 Percent \n"));
+ else
+ DP (printf
+ (" - upper VCC tolerance: 10 Percent \n"));
+
+#endif
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 23: /* Minimum Cycle Time At Maximum Cas Latancy Minus 1 (2nd highest CL) */
+ shift = (dimmInfo->memoryType == DDR) ? 4 : 2;
+ mult = (dimmInfo->memoryType == DDR) ? 10 : 25;
+ maskLeftOfPoint =
+ (dimmInfo->memoryType == DDR) ? 0xf0 : 0xfc;
+ maskRightOfPoint =
+ (dimmInfo->memoryType == DDR) ? 0xf : 0x03;
+ leftOfPoint = (data[i] & maskLeftOfPoint) >> shift;
+ rightOfPoint = (data[i] & maskRightOfPoint) * mult;
+ dimmInfo->minimumCycleTimeAtMaxCasLatancyMinus1_LoP =
+ leftOfPoint;
+ dimmInfo->minimumCycleTimeAtMaxCasLatancyMinus1_RoP =
+ rightOfPoint;
+ DP (printf
+ ("Minimum Cycle Time At 2nd highest CasLatancy (0 = Not supported): %d.%d [ns]\n",
+ leftOfPoint, rightOfPoint));
+ /*dimmInfo->minimumCycleTimeAtMaxCasLatancy */
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 24: /* Clock To Data Out 2nd highest Cas Latency Value */
+ div = (dimmInfo->memoryType == DDR) ? 100 : 10;
+ time_tmp =
+ (((data[i] & 0xf0) >> 4) * 10) +
+ ((data[i] & 0x0f));
+ leftOfPoint = time_tmp / div;
+ rightOfPoint = time_tmp % div;
+ dimmInfo->clockToDataOutMinus1_LoP = leftOfPoint;
+ dimmInfo->clockToDataOutMinus1_RoP = rightOfPoint;
+ DP (printf
+ ("Clock To Data Out (2nd CL value): %d.%2d [ns]\n",
+ leftOfPoint, rightOfPoint));
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 25: /* Minimum Cycle Time At Maximum Cas Latancy Minus 2 (3rd highest CL) */
+ shift = (dimmInfo->memoryType == DDR) ? 4 : 2;
+ mult = (dimmInfo->memoryType == DDR) ? 10 : 25;
+ maskLeftOfPoint =
+ (dimmInfo->memoryType == DDR) ? 0xf0 : 0xfc;
+ maskRightOfPoint =
+ (dimmInfo->memoryType == DDR) ? 0xf : 0x03;
+ leftOfPoint = (data[i] & maskLeftOfPoint) >> shift;
+ rightOfPoint = (data[i] & maskRightOfPoint) * mult;
+ dimmInfo->minimumCycleTimeAtMaxCasLatancyMinus2_LoP =
+ leftOfPoint;
+ dimmInfo->minimumCycleTimeAtMaxCasLatancyMinus2_RoP =
+ rightOfPoint;
+ DP (printf
+ ("Minimum Cycle Time At 3rd highest CasLatancy (0 = Not supported): %d.%d [ns]\n",
+ leftOfPoint, rightOfPoint));
+ /*dimmInfo->minimumCycleTimeAtMaxCasLatancy */
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 26: /* Clock To Data Out 3rd highest Cas Latency Value */
+ div = (dimmInfo->memoryType == DDR) ? 100 : 10;
+ time_tmp =
+ (((data[i] & 0xf0) >> 4) * 10) +
+ ((data[i] & 0x0f));
+ leftOfPoint = time_tmp / div;
+ rightOfPoint = time_tmp % div;
+ dimmInfo->clockToDataOutMinus2_LoP = leftOfPoint;
+ dimmInfo->clockToDataOutMinus2_RoP = rightOfPoint;
+ DP (printf
+ ("Clock To Data Out (3rd CL value): %d.%2d [ns]\n",
+ leftOfPoint, rightOfPoint));
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 27: /* Minimum Row Precharge Time */
+ shift = (dimmInfo->memoryType == DDR) ? 2 : 0;
+ maskLeftOfPoint =
+ (dimmInfo->memoryType == DDR) ? 0xfc : 0xff;
+ maskRightOfPoint =
+ (dimmInfo->memoryType == DDR) ? 0x03 : 0x00;
+ leftOfPoint = ((data[i] & maskLeftOfPoint) >> shift);
+ rightOfPoint = (data[i] & maskRightOfPoint) * 25;
+
+ dimmInfo->minRowPrechargeTime = ((leftOfPoint * 100) + rightOfPoint); /* measured in n times 10ps Intervals */
+ trp_clocks =
+ (dimmInfo->minRowPrechargeTime +
+ (tmemclk - 1)) / tmemclk;
+ DP (printf
+ ("*** 1 clock cycle = %ld 10ps intervalls = %ld.%ld ns****\n",
+ tmemclk, tmemclk / 100, tmemclk % 100));
+ DP (printf
+ ("Minimum Row Precharge Time [ns]: %d.%2d = in Clk cycles %d\n",
+ leftOfPoint, rightOfPoint, trp_clocks));
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 28: /* Minimum Row Active to Row Active Time */
+ shift = (dimmInfo->memoryType == DDR) ? 2 : 0;
+ maskLeftOfPoint =
+ (dimmInfo->memoryType == DDR) ? 0xfc : 0xff;
+ maskRightOfPoint =
+ (dimmInfo->memoryType == DDR) ? 0x03 : 0x00;
+ leftOfPoint = ((data[i] & maskLeftOfPoint) >> shift);
+ rightOfPoint = (data[i] & maskRightOfPoint) * 25;
+
+ dimmInfo->minRowActiveRowActiveDelay = ((leftOfPoint * 100) + rightOfPoint); /* measured in 100ns Intervals */
+ trrd_clocks =
+ (dimmInfo->minRowActiveRowActiveDelay +
+ (tmemclk - 1)) / tmemclk;
+ DP (printf
+ ("Minimum Row Active -To- Row Active Delay [ns]: %d.%2d = in Clk cycles %d\n",
+ leftOfPoint, rightOfPoint, trp_clocks));
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 29: /* Minimum Ras-To-Cas Delay */
+ shift = (dimmInfo->memoryType == DDR) ? 2 : 0;
+ maskLeftOfPoint =
+ (dimmInfo->memoryType == DDR) ? 0xfc : 0xff;
+ maskRightOfPoint =
+ (dimmInfo->memoryType == DDR) ? 0x03 : 0x00;
+ leftOfPoint = ((data[i] & maskLeftOfPoint) >> shift);
+ rightOfPoint = (data[i] & maskRightOfPoint) * 25;
+
+ dimmInfo->minRowActiveRowActiveDelay = ((leftOfPoint * 100) + rightOfPoint); /* measured in 100ns Intervals */
+ trcd_clocks =
+ (dimmInfo->minRowActiveRowActiveDelay +
+ (tmemclk - 1)) / tmemclk;
+ DP (printf
+ ("Minimum Ras-To-Cas Delay [ns]: %d.%2d = in Clk cycles %d\n",
+ leftOfPoint, rightOfPoint, trp_clocks));
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 30: /* Minimum Ras Pulse Width */
+ dimmInfo->minRasPulseWidth = data[i];
+ tras_clocks =
+ (NSto10PS (data[i]) +
+ (tmemclk - 1)) / tmemclk;
+ DP (printf
+ ("Minimum Ras Pulse Width [ns]: %d = in Clk cycles %d\n",
+ dimmInfo->minRasPulseWidth, tras_clocks));
+
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 31: /* Module Bank Density */
+ dimmInfo->moduleBankDensity = data[i];
+ DP (printf
+ ("Module Bank Density: %d\n",
+ dimmInfo->moduleBankDensity));
+#ifdef DEBUG
+ DP (printf
+ ("*** Offered Densities (more than 1 = Multisize-Module): "));
{
- case 7:
- DP(printf("Max. Cas Latencies (DDR): ERROR !!!\n"));
- dimmInfo->maxClSupported_DDR = DDR_CL_FAULT;
- hang();
- break;
- case 6:
- DP(printf("Max. Cas Latencies (DDR): ERROR !!!\n"));
- dimmInfo->maxClSupported_DDR = DDR_CL_FAULT;
- hang();
- break;
- case 5:
- DP(printf("Max. Cas Latencies (DDR): 3.5 clk's\n"));
- dimmInfo->maxClSupported_DDR = DDR_CL_3_5;
- break;
- case 4:
- DP(printf("Max. Cas Latencies (DDR): 3 clk's \n"));
- dimmInfo->maxClSupported_DDR = DDR_CL_3;
- break;
- case 3:
- DP(printf("Max. Cas Latencies (DDR): 2.5 clk's \n"));
- dimmInfo->maxClSupported_DDR = DDR_CL_2_5;
- break;
- case 2:
- DP(printf("Max. Cas Latencies (DDR): 2 clk's \n"));
- dimmInfo->maxClSupported_DDR = DDR_CL_2;
- break;
- case 1:
- DP(printf("Max. Cas Latencies (DDR): 1.5 clk's \n"));
- dimmInfo->maxClSupported_DDR = DDR_CL_1_5;
- break;
+ if (dimmInfo->moduleBankDensity & 1)
+ DP (printf ("4MB, "));
+ if (dimmInfo->moduleBankDensity & 2)
+ DP (printf ("8MB, "));
+ if (dimmInfo->moduleBankDensity & 4)
+ DP (printf ("16MB, "));
+ if (dimmInfo->moduleBankDensity & 8)
+ DP (printf ("32MB, "));
+ if (dimmInfo->moduleBankDensity & 16)
+ DP (printf ("64MB, "));
+ if (dimmInfo->moduleBankDensity & 32)
+ DP (printf ("128MB, "));
+ if ((dimmInfo->moduleBankDensity & 64)
+ || (dimmInfo->moduleBankDensity & 128)) {
+ DP (printf ("ERROR, "));
+ hang ();
+ }
}
- dimmInfo->maxCASlatencySupported_LoP = 1 + (int) (5 * j /10);
- if (((5*j) % 10) != 0)
- dimmInfo->maxCASlatencySupported_RoP = 5;
- else
- dimmInfo->maxCASlatencySupported_RoP = 0;
- DP(printf("Max. Cas Latencies (DDR LoP.RoP Notation): %d.%d \n", dimmInfo->maxCASlatencySupported_LoP, dimmInfo->maxCASlatencySupported_RoP));
- break;
- case SDRAM:
- /* CAS latency 1, 2, 3, 4, 5, 6, 7 */
- dimmInfo->maxClSupported_SD = j; /* Cas Latency DDR-RAM Coded */
- DP(printf("Max. Cas Latencies (SD): %d\n", dimmInfo->maxClSupported_SD));
- dimmInfo->maxCASlatencySupported_LoP = j ;
- dimmInfo->maxCASlatencySupported_RoP = 0;
- DP(printf("Max. Cas Latencies (DDR LoP.RoP Notation): %d.%d \n", dimmInfo->maxCASlatencySupported_LoP, dimmInfo->maxCASlatencySupported_RoP));
- break;
- }
- break;
+ DP (printf ("\n"));
+#endif
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 32: /* Address And Command Setup Time (measured in ns/1000) */
+ sign = 1;
+ switch (dimmInfo->memoryType) {
+ case DDR:
+ time_tmp =
+ (((data[i] & 0xf0) >> 4) * 10) +
+ ((data[i] & 0x0f));
+ leftOfPoint = time_tmp / 100;
+ rightOfPoint = time_tmp % 100;
+ break;
+ case SDRAM:
+ leftOfPoint = (data[i] & 0xf0) >> 4;
+ if (leftOfPoint > 7) {
+ leftOfPoint = data[i] & 0x70 >> 4;
+ sign = -1;
+ }
+ rightOfPoint = (data[i] & 0x0f);
+ break;
+ }
+ dimmInfo->addrAndCommandSetupTime =
+ (leftOfPoint * 100 + rightOfPoint) * sign;
+ DP (printf
+ ("Address And Command Setup Time [ns]: %d.%d\n",
+ sign * leftOfPoint, rightOfPoint));
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 33: /* Address And Command Hold Time */
+ sign = 1;
+ switch (dimmInfo->memoryType) {
+ case DDR:
+ time_tmp =
+ (((data[i] & 0xf0) >> 4) * 10) +
+ ((data[i] & 0x0f));
+ leftOfPoint = time_tmp / 100;
+ rightOfPoint = time_tmp % 100;
+ break;
+ case SDRAM:
+ leftOfPoint = (data[i] & 0xf0) >> 4;
+ if (leftOfPoint > 7) {
+ leftOfPoint = data[i] & 0x70 >> 4;
+ sign = -1;
+ }
+ rightOfPoint = (data[i] & 0x0f);
+ break;
+ }
+ dimmInfo->addrAndCommandHoldTime =
+ (leftOfPoint * 100 + rightOfPoint) * sign;
+ DP (printf
+ ("Address And Command Hold Time [ns]: %d.%d\n",
+ sign * leftOfPoint, rightOfPoint));
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 34: /* Data Input Setup Time */
+ sign = 1;
+ switch (dimmInfo->memoryType) {
+ case DDR:
+ time_tmp =
+ (((data[i] & 0xf0) >> 4) * 10) +
+ ((data[i] & 0x0f));
+ leftOfPoint = time_tmp / 100;
+ rightOfPoint = time_tmp % 100;
+ break;
+ case SDRAM:
+ leftOfPoint = (data[i] & 0xf0) >> 4;
+ if (leftOfPoint > 7) {
+ leftOfPoint = data[i] & 0x70 >> 4;
+ sign = -1;
+ }
+ rightOfPoint = (data[i] & 0x0f);
+ break;
+ }
+ dimmInfo->dataInputSetupTime =
+ (leftOfPoint * 100 + rightOfPoint) * sign;
+ DP (printf
+ ("Data Input Setup Time [ns]: %d.%d\n",
+ sign * leftOfPoint, rightOfPoint));
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
+
+ case 35: /* Data Input Hold Time */
+ sign = 1;
+ switch (dimmInfo->memoryType) {
+ case DDR:
+ time_tmp =
+ (((data[i] & 0xf0) >> 4) * 10) +
+ ((data[i] & 0x0f));
+ leftOfPoint = time_tmp / 100;
+ rightOfPoint = time_tmp % 100;
+ break;
+ case SDRAM:
+ leftOfPoint = (data[i] & 0xf0) >> 4;
+ if (leftOfPoint > 7) {
+ leftOfPoint = data[i] & 0x70 >> 4;
+ sign = -1;
+ }
+ rightOfPoint = (data[i] & 0x0f);
+ break;
+ }
+ dimmInfo->dataInputHoldTime =
+ (leftOfPoint * 100 + rightOfPoint) * sign;
+ DP (printf
+ ("Data Input Hold Time [ns]: %d.%d\n\n",
+ sign * leftOfPoint, rightOfPoint));
+ break;
+/*------------------------------------------------------------------------------------------------------------------------------*/
}
- }
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
-
- case 21: /* Buffered Address And Control Inputs */
- DP(printf("\nModul Attributes (SPD Byte 21): \n"));
- dimmInfo->bufferedAddrAndControlInputs = data[i] & BIT0;
- dimmInfo->registeredAddrAndControlInputs = (data[i] & BIT1) >> 1;
- dimmInfo->onCardPLL = (data[i] & BIT2) >> 2;
- dimmInfo->bufferedDQMBinputs = (data[i] & BIT3) >> 3;
- dimmInfo->registeredDQMBinputs = (data[i] & BIT4) >> 4;
- dimmInfo->differentialClockInput = (data[i] & BIT5) >> 5;
- dimmInfo->redundantRowAddressing = (data[i] & BIT6) >> 6;
-#ifdef DEBUG
- if (dimmInfo->bufferedAddrAndControlInputs == 1)
- DP(printf(" - Buffered Address/Control Input: Yes \n"));
- else
- DP(printf(" - Buffered Address/Control Input: No \n"));
-
- if (dimmInfo->registeredAddrAndControlInputs == 1)
- DP(printf(" - Registered Address/Control Input: Yes \n"));
- else
- DP(printf(" - Registered Address/Control Input: No \n"));
-
- if (dimmInfo->onCardPLL == 1)
- DP(printf(" - On-Card PLL (clock): Yes \n"));
- else
- DP(printf(" - On-Card PLL (clock): No \n"));
-
- if (dimmInfo->bufferedDQMBinputs == 1)
- DP(printf(" - Bufferd DQMB Inputs: Yes \n"));
- else
- DP(printf(" - Bufferd DQMB Inputs: No \n"));
-
- if (dimmInfo->registeredDQMBinputs == 1)
- DP(printf(" - Registered DQMB Inputs: Yes \n"));
- else
- DP(printf(" - Registered DQMB Inputs: No \n"));
-
- if (dimmInfo->differentialClockInput == 1)
- DP(printf(" - Differential Clock Input: Yes \n"));
- else
- DP(printf(" - Differential Clock Input: No \n"));
-
- if (dimmInfo->redundantRowAddressing == 1)
- DP(printf(" - redundant Row Addressing: Yes \n"));
- else
- DP(printf(" - redundant Row Addressing: No \n"));
-
-#endif
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
-
- case 22: /* Suported AutoPreCharge */
- DP(printf("\nModul Attributes (SPD Byte 22): \n"));
- dimmInfo->suportedEarlyRasPreCharge= data[i] & BIT0;
- dimmInfo->suportedAutoPreCharge = (data[i] & BIT1) >> 1;
- dimmInfo->suportedPreChargeAll = (data[i] & BIT2) >> 2;
- dimmInfo->suportedWrite1ReadBurst= (data[i] & BIT3) >> 3;
- dimmInfo->suported5PercentLowVCC= (data[i] & BIT4) >> 4;
- dimmInfo->suported5PercentUpperVCC= (data[i] & BIT5) >> 5;
-#ifdef DEBUG
- if (dimmInfo->suportedEarlyRasPreCharge == 1)
- DP(printf(" - Early Ras Precharge: Yes \n"));
- else
- DP(printf(" - Early Ras Precharge: No \n"));
-
- if (dimmInfo->suportedAutoPreCharge == 1)
- DP(printf(" - AutoPreCharge: Yes \n"));
- else
- DP(printf(" - AutoPreCharge: No \n"));
-
- if (dimmInfo->suportedPreChargeAll == 1)
- DP(printf(" - Precharge All: Yes \n"));
- else
- DP(printf(" - Precharge All: No \n"));
-
- if (dimmInfo->suportedWrite1ReadBurst == 1)
- DP(printf(" - Write 1/ReadBurst: Yes \n"));
- else
- DP(printf(" - Write 1/ReadBurst: No \n"));
-
- if (dimmInfo->suported5PercentLowVCC == 1)
- DP(printf(" - lower VCC tolerance: 5 Percent \n"));
- else
- DP(printf(" - lower VCC tolerance: 10 Percent \n"));
-
- if (dimmInfo->suported5PercentUpperVCC == 1)
- DP(printf(" - upper VCC tolerance: 5 Percent \n"));
- else
- DP(printf(" - upper VCC tolerance: 10 Percent \n"));
-
-#endif
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
-
- case 23: /* Minimum Cycle Time At Maximum Cas Latancy Minus 1 (2nd highest CL) */
- shift = (dimmInfo->memoryType == DDR)? 4:2;
- mult = (dimmInfo->memoryType == DDR)? 10:25;
- maskLeftOfPoint = (dimmInfo->memoryType == DDR)? 0xf0:0xfc;
- maskRightOfPoint = (dimmInfo->memoryType == DDR)? 0xf:0x03;
- leftOfPoint = (data[i] & maskLeftOfPoint) >> shift;
- rightOfPoint = (data[i] & maskRightOfPoint)* mult;
- dimmInfo->minimumCycleTimeAtMaxCasLatancyMinus1_LoP = leftOfPoint;
- dimmInfo->minimumCycleTimeAtMaxCasLatancyMinus1_RoP = rightOfPoint;
- DP(printf("Minimum Cycle Time At 2nd highest CasLatancy (0 = Not supported): %d.%d [ns]\n",leftOfPoint, rightOfPoint ));
- /*dimmInfo->minimumCycleTimeAtMaxCasLatancy*/
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
-
- case 24: /* Clock To Data Out 2nd highest Cas Latency Value*/
- div = (dimmInfo->memoryType == DDR)? 100:10;
- time_tmp = (((data[i] & 0xf0) >> 4)*10) + ((data[i] & 0x0f));
- leftOfPoint = time_tmp / div;
- rightOfPoint = time_tmp % div;
- dimmInfo->clockToDataOutMinus1_LoP = leftOfPoint;
- dimmInfo->clockToDataOutMinus1_RoP = rightOfPoint;
- DP(printf("Clock To Data Out (2nd CL value): %d.%2d [ns]\n",leftOfPoint, rightOfPoint ));
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
-
- case 25: /* Minimum Cycle Time At Maximum Cas Latancy Minus 2 (3rd highest CL) */
- shift = (dimmInfo->memoryType == DDR)? 4:2;
- mult = (dimmInfo->memoryType == DDR)? 10:25;
- maskLeftOfPoint = (dimmInfo->memoryType == DDR)? 0xf0:0xfc;
- maskRightOfPoint = (dimmInfo->memoryType == DDR)? 0xf:0x03;
- leftOfPoint = (data[i] & maskLeftOfPoint) >> shift;
- rightOfPoint = (data[i] & maskRightOfPoint)* mult;
- dimmInfo->minimumCycleTimeAtMaxCasLatancyMinus2_LoP = leftOfPoint;
- dimmInfo->minimumCycleTimeAtMaxCasLatancyMinus2_RoP = rightOfPoint;
- DP(printf("Minimum Cycle Time At 3rd highest CasLatancy (0 = Not supported): %d.%d [ns]\n",leftOfPoint, rightOfPoint ));
- /*dimmInfo->minimumCycleTimeAtMaxCasLatancy*/
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
-
- case 26: /* Clock To Data Out 3rd highest Cas Latency Value*/
- div = (dimmInfo->memoryType == DDR)? 100:10;
- time_tmp = (((data[i] & 0xf0) >> 4)*10) + ((data[i] & 0x0f));
- leftOfPoint = time_tmp / div;
- rightOfPoint = time_tmp % div;
- dimmInfo->clockToDataOutMinus2_LoP = leftOfPoint;
- dimmInfo->clockToDataOutMinus2_RoP = rightOfPoint;
- DP(printf("Clock To Data Out (3rd CL value): %d.%2d [ns]\n",leftOfPoint, rightOfPoint ));
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
-
- case 27: /* Minimum Row Precharge Time */
- shift = (dimmInfo->memoryType == DDR)? 2:0;
- maskLeftOfPoint = (dimmInfo->memoryType == DDR)? 0xfc:0xff;
- maskRightOfPoint = (dimmInfo->memoryType == DDR)? 0x03:0x00;
- leftOfPoint = ((data[i] & maskLeftOfPoint) >> shift);
- rightOfPoint = (data[i] & maskRightOfPoint)*25;
-
- dimmInfo->minRowPrechargeTime = ((leftOfPoint*100) + rightOfPoint); /* measured in n times 10ps Intervals */
- trp_clocks = (dimmInfo->minRowPrechargeTime + (tmemclk-1)) / tmemclk;
- DP(printf("*** 1 clock cycle = %ld 10ps intervalls = %ld.%ld ns****\n", tmemclk, tmemclk/100, tmemclk%100 ));
- DP(printf("Minimum Row Precharge Time [ns]: %d.%2d = in Clk cycles %d\n", leftOfPoint, rightOfPoint, trp_clocks));
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
-
- case 28: /* Minimum Row Active to Row Active Time */
- shift = (dimmInfo->memoryType == DDR)? 2:0;
- maskLeftOfPoint = (dimmInfo->memoryType == DDR)? 0xfc:0xff;
- maskRightOfPoint = (dimmInfo->memoryType == DDR)? 0x03:0x00;
- leftOfPoint = ((data[i] & maskLeftOfPoint) >> shift);
- rightOfPoint = (data[i] & maskRightOfPoint)*25;
-
- dimmInfo->minRowActiveRowActiveDelay = ((leftOfPoint*100) + rightOfPoint); /* measured in 100ns Intervals */
- trrd_clocks = (dimmInfo->minRowActiveRowActiveDelay + (tmemclk-1)) / tmemclk;
- DP(printf("Minimum Row Active -To- Row Active Delay [ns]: %d.%2d = in Clk cycles %d\n", leftOfPoint, rightOfPoint, trp_clocks));
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
-
- case 29: /* Minimum Ras-To-Cas Delay */
- shift = (dimmInfo->memoryType == DDR)? 2:0;
- maskLeftOfPoint = (dimmInfo->memoryType == DDR)? 0xfc:0xff;
- maskRightOfPoint = (dimmInfo->memoryType == DDR)? 0x03:0x00;
- leftOfPoint = ((data[i] & maskLeftOfPoint) >> shift);
- rightOfPoint = (data[i] & maskRightOfPoint)*25;
-
- dimmInfo->minRowActiveRowActiveDelay = ((leftOfPoint*100) + rightOfPoint); /* measured in 100ns Intervals */
- trcd_clocks = (dimmInfo->minRowActiveRowActiveDelay + (tmemclk-1) )/ tmemclk;
- DP(printf("Minimum Ras-To-Cas Delay [ns]: %d.%2d = in Clk cycles %d\n", leftOfPoint, rightOfPoint, trp_clocks));
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
-
- case 30: /* Minimum Ras Pulse Width */
- dimmInfo->minRasPulseWidth = data[i];
- tras_clocks = (NSto10PS(data[i])+(tmemclk-1)) / tmemclk;
- DP(printf("Minimum Ras Pulse Width [ns]: %d = in Clk cycles %d\n", dimmInfo->minRasPulseWidth, tras_clocks));
-
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
-
- case 31: /* Module Bank Density */
- dimmInfo->moduleBankDensity = data[i];
- DP(printf("Module Bank Density: %d\n", dimmInfo->moduleBankDensity));
-#ifdef DEBUG
- DP(printf("*** Offered Densities (more than 1 = Multisize-Module): "));
- {
- if (dimmInfo->moduleBankDensity & 1)
- DP(printf("4MB, "));
- if (dimmInfo->moduleBankDensity & 2)
- DP(printf("8MB, "));
- if (dimmInfo->moduleBankDensity & 4)
- DP(printf("16MB, "));
- if (dimmInfo->moduleBankDensity & 8)
- DP(printf("32MB, "));
- if (dimmInfo->moduleBankDensity & 16)
- DP(printf("64MB, "));
- if (dimmInfo->moduleBankDensity & 32)
- DP(printf("128MB, "));
- if ((dimmInfo->moduleBankDensity & 64) || (dimmInfo->moduleBankDensity & 128)) {
- DP(printf("ERROR, "));
- hang();
- }
}
- DP(printf("\n"));
-#endif
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
+ /* calculating the sdram density */
+ for (i = 0;
+ i < dimmInfo->numOfRowAddresses + dimmInfo->numOfColAddresses;
+ i++) {
+ density = density * 2;
+ }
+ dimmInfo->deviceDensity = density * dimmInfo->numOfBanksOnEachDevice *
+ dimmInfo->sdramWidth;
+ dimmInfo->numberOfDevices =
+ (dimmInfo->dataWidth / dimmInfo->sdramWidth) *
+ dimmInfo->numOfModuleBanks;
+ devicesForErrCheck =
+ (dimmInfo->dataWidth - 64) / dimmInfo->sdramWidth;
+ if ((dimmInfo->errorCheckType == 0x1)
+ || (dimmInfo->errorCheckType == 0x2)
+ || (dimmInfo->errorCheckType == 0x3)) {
+ dimmInfo->size =
+ (dimmInfo->deviceDensity / 8) *
+ (dimmInfo->numberOfDevices - devicesForErrCheck);
+ } else {
+ dimmInfo->size =
+ (dimmInfo->deviceDensity / 8) *
+ dimmInfo->numberOfDevices;
+ }
- case 32: /* Address And Command Setup Time (measured in ns/1000) */
- sign = 1;
- switch(dimmInfo->memoryType)
- {
- case DDR:
- time_tmp = (((data[i] & 0xf0) >> 4)*10) + ((data[i] & 0x0f));
- leftOfPoint = time_tmp / 100;
- rightOfPoint = time_tmp % 100;
- break;
- case SDRAM:
- leftOfPoint = (data[i] & 0xf0) >> 4;
- if(leftOfPoint > 7)
- {
- leftOfPoint = data[i] & 0x70 >> 4;
- sign = -1;
- }
- rightOfPoint = (data[i] & 0x0f);
- break;
- }
- dimmInfo->addrAndCommandSetupTime = (leftOfPoint*100 + rightOfPoint) * sign;
- DP(printf("Address And Command Setup Time [ns]: %d.%d\n", sign*leftOfPoint, rightOfPoint));
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
-
- case 33: /* Address And Command Hold Time */
- sign = 1;
- switch(dimmInfo->memoryType)
- {
- case DDR:
- time_tmp = (((data[i] & 0xf0) >> 4)*10) + ((data[i] & 0x0f));
- leftOfPoint = time_tmp / 100;
- rightOfPoint = time_tmp % 100;
- break;
- case SDRAM:
- leftOfPoint = (data[i] & 0xf0) >> 4;
- if(leftOfPoint > 7)
- {
- leftOfPoint = data[i] & 0x70 >> 4;
- sign = -1;
- }
- rightOfPoint = (data[i] & 0x0f) ;
- break;
- }
- dimmInfo->addrAndCommandHoldTime = (leftOfPoint * 100 + rightOfPoint) * sign;
- DP(printf("Address And Command Hold Time [ns]: %d.%d\n", sign*leftOfPoint, rightOfPoint));
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
-
- case 34: /* Data Input Setup Time */
- sign = 1;
- switch(dimmInfo->memoryType)
- {
- case DDR:
- time_tmp = (((data[i] & 0xf0) >> 4)*10) + ((data[i] & 0x0f));
- leftOfPoint = time_tmp / 100;
- rightOfPoint = time_tmp % 100;
- break;
- case SDRAM:
- leftOfPoint = (data[i] & 0xf0) >> 4;
- if( leftOfPoint > 7)
- {
- leftOfPoint = data[i] & 0x70 >> 4;
- sign = -1;
- }
- rightOfPoint = (data[i] & 0x0f );
- break;
- }
- dimmInfo->dataInputSetupTime = (leftOfPoint *100 + rightOfPoint) * sign;
- DP(printf("Data Input Setup Time [ns]: %d.%d\n", sign*leftOfPoint, rightOfPoint));
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
-
- case 35: /* Data Input Hold Time */
- sign = 1;
- switch(dimmInfo->memoryType)
- {
- case DDR:
- time_tmp = (((data[i] & 0xf0) >> 4)*10) + ((data[i] & 0x0f));
- leftOfPoint = time_tmp / 100;
- rightOfPoint = time_tmp % 100;
- break;
- case SDRAM:
- leftOfPoint = (data[i] & 0xf0) >> 4;
- if( leftOfPoint > 7)
- {
- leftOfPoint = data[i] & 0x70 >> 4;
- sign = -1;
- }
- rightOfPoint = (data[i] & 0x0f) ;
- break;
- }
- dimmInfo->dataInputHoldTime = (leftOfPoint *100 + rightOfPoint) * sign;
- DP(printf("Data Input Hold Time [ns]: %d.%d\n\n", sign*leftOfPoint, rightOfPoint));
- break;
-/*------------------------------------------------------------------------------------------------------------------------------*/
- }
- }
- /* calculating the sdram density */
- for(i = 0;i < dimmInfo->numOfRowAddresses + dimmInfo->numOfColAddresses;i++)
- {
- density = density*2;
- }
- dimmInfo->deviceDensity = density*dimmInfo->numOfBanksOnEachDevice*
- dimmInfo->sdramWidth;
- dimmInfo->numberOfDevices = (dimmInfo->dataWidth / dimmInfo->sdramWidth)*
- dimmInfo->numOfModuleBanks;
- devicesForErrCheck = (dimmInfo->dataWidth - 64) / dimmInfo->sdramWidth ;
- if((dimmInfo->errorCheckType == 0x1) ||
- (dimmInfo->errorCheckType == 0x2) ||
- (dimmInfo->errorCheckType == 0x3))
- {
- dimmInfo->size = (dimmInfo->deviceDensity / 8)*
- (dimmInfo->numberOfDevices - devicesForErrCheck);
- }
- else
- {
- dimmInfo->size = (dimmInfo->deviceDensity/8)*dimmInfo->numberOfDevices;
- }
-
- /* compute the module DRB size */
- tmp = (1 << (dimmInfo->numOfRowAddresses + dimmInfo->numOfColAddresses));
- tmp *= dimmInfo->numOfModuleBanks;
- tmp *= dimmInfo->sdramWidth;
- tmp = tmp >> 24; /* div by 0x4000000 (64M) */
- dimmInfo->drb_size = (uchar)tmp;
- DP(printf("Module DRB size (n*64Mbit): %d\n", dimmInfo->drb_size));
+ /* compute the module DRB size */
+ tmp = (1 <<
+ (dimmInfo->numOfRowAddresses + dimmInfo->numOfColAddresses));
+ tmp *= dimmInfo->numOfModuleBanks;
+ tmp *= dimmInfo->sdramWidth;
+ tmp = tmp >> 24; /* div by 0x4000000 (64M) */
+ dimmInfo->drb_size = (uchar) tmp;
+ DP (printf ("Module DRB size (n*64Mbit): %d\n", dimmInfo->drb_size));
/* try a CAS latency of 3 first... */
@@ -1010,44 +1224,43 @@
cal_val = 0;
if (supp_cal & 8) {
- if (NS10to10PS(data[9]) <= tmemclk)
+ if (NS10to10PS (data[9]) <= tmemclk)
cal_val = 6;
}
if (supp_cal & 4) {
- if (NS10to10PS(data[9]) <= tmemclk)
+ if (NS10to10PS (data[9]) <= tmemclk)
cal_val = 5;
}
/* then 2... */
if (supp_cal & 2) {
- if (NS10to10PS(data[23]) <= tmemclk)
+ if (NS10to10PS (data[23]) <= tmemclk)
cal_val = 4;
}
- DP(printf("cal_val = %d\n", cal_val*5));
+ DP (printf ("cal_val = %d\n", cal_val * 5));
/* bummer, did't work... */
if (cal_val == 0) {
- DP(printf("Couldn't find a good CAS latency\n"));
- hang();
+ DP (printf ("Couldn't find a good CAS latency\n"));
+ hang ();
return 0;
}
- return true;
+ return true;
}
/* sets up the GT properly with information passed in */
-int
-setup_sdram(AUX_MEM_DIMM_INFO *info)
+int setup_sdram (AUX_MEM_DIMM_INFO * info)
{
ulong tmp, check;
- ulong tmp_sdram_mode=0; /* 0x141c*/
- ulong tmp_dunit_control_low=0; /* 0x1404*/
+ ulong tmp_sdram_mode = 0; /* 0x141c */
+ ulong tmp_dunit_control_low = 0; /* 0x1404 */
int i;
/* sanity checking */
- if (! info->numOfModuleBanks) {
- printf("setup_sdram called with 0 banks\n");
+ if (!info->numOfModuleBanks) {
+ printf ("setup_sdram called with 0 banks\n");
return 1;
}
@@ -1055,137 +1268,150 @@
/* Program the GT with the discovered data */
if (info->registeredAddrAndControlInputs == true)
- DP(printf("Module is registered, but we do not support registered Modules !!!\n"));
+ DP (printf
+ ("Module is registered, but we do not support registered Modules !!!\n"));
/* delay line */
- set_dfcdlInit(); /* may be its not needed */
- DP(printf("Delay line set done\n"));
+ set_dfcdlInit (); /* may be its not needed */
+ DP (printf ("Delay line set done\n"));
- /* set SDRAM mode NOP*/ /* To_do check it*/
- GT_REG_WRITE(SDRAM_OPERATION, 0x5);
- while (GTREGREAD(SDRAM_OPERATION) != 0) {
- DP(printf("\n*** SDRAM_OPERATION 1418: Module still busy ... please wait... ***\n"));
- }
+ /* set SDRAM mode NOP */ /* To_do check it */
+ GT_REG_WRITE (SDRAM_OPERATION, 0x5);
+ while (GTREGREAD (SDRAM_OPERATION) != 0) {
+ DP (printf
+ ("\n*** SDRAM_OPERATION 1418: Module still busy ... please wait... ***\n"));
+ }
/* SDRAM configuration */
- GT_REG_WRITE(SDRAM_CONFIG, 0x58200400);
- DP(printf("sdram_conf 0x1400: %08x\n", GTREGREAD(SDRAM_CONFIG)));
+ GT_REG_WRITE (SDRAM_CONFIG, 0x58200400);
+ DP (printf ("sdram_conf 0x1400: %08x\n", GTREGREAD (SDRAM_CONFIG)));
- /* SDRAM open pages controll keep open as much as I can*/
- GT_REG_WRITE(SDRAM_OPEN_PAGES_CONTROL, 0x0);
- DP(printf("sdram_open_pages_controll 0x1414: %08x\n", GTREGREAD(SDRAM_OPEN_PAGES_CONTROL)));
+ /* SDRAM open pages controll keep open as much as I can */
+ GT_REG_WRITE (SDRAM_OPEN_PAGES_CONTROL, 0x0);
+ DP (printf
+ ("sdram_open_pages_controll 0x1414: %08x\n",
+ GTREGREAD (SDRAM_OPEN_PAGES_CONTROL)));
/* SDRAM D_UNIT_CONTROL_LOW 0x1404 */
- tmp = (GTREGREAD(D_UNIT_CONTROL_LOW) & 0x01); /* Clock Domain Sync from power on reset*/
+ tmp = (GTREGREAD (D_UNIT_CONTROL_LOW) & 0x01); /* Clock Domain Sync from power on reset */
if (tmp == 0)
- DP(printf("Core Signals are sync (by HW-Setting)!!!\n"));
+ DP (printf ("Core Signals are sync (by HW-Setting)!!!\n"));
else
- DP(printf("Core Signals syncs. are bypassed (by HW-Setting)!!!\n"));
+ DP (printf
+ ("Core Signals syncs. are bypassed (by HW-Setting)!!!\n"));
- /* SDRAM set CAS Lentency according to SPD information*/
- switch(info->memoryType)
- {
- case SDRAM:
- DP(printf("### SD-RAM not supported yet !!!\n"));
- hang();
- /* ToDo fill SD-RAM if needed !!!!!*/
- break;
-
- case DDR:
- DP(printf("### SET-CL for DDR-RAM\n"));
-
- switch (info->maxClSupported_DDR)
- {
- case DDR_CL_3:
- tmp_dunit_control_low = 0x3c000000; /* Read-Data sampled on falling edge of Clk*/
- tmp_sdram_mode = 0x32; /* CL=3 Burstlength = 4*/
- DP(printf("Max. CL is 3 CLKs 0x141c= %08lx, 0x1404 = %08lx\n",tmp_sdram_mode, tmp_dunit_control_low ));
+ /* SDRAM set CAS Lentency according to SPD information */
+ switch (info->memoryType) {
+ case SDRAM:
+ DP (printf ("### SD-RAM not supported yet !!!\n"));
+ hang ();
+ /* ToDo fill SD-RAM if needed !!!!! */
break;
- case DDR_CL_2_5:
- if (tmp == 1) /* clocks sync*/
- {
- tmp_dunit_control_low = 0x24000000; /* Read-Data sampled on falling edge of Clk*/
- tmp_sdram_mode = 0x62; /* CL=2,5 Burstlength = 4*/
- DP(printf("Max. CL is 2,5s CLKs 0x141c= %08lx, 0x1404 = %08lx\n",tmp_sdram_mode, tmp_dunit_control_low ));
- }
- else /* clk sync. bypassed */
- {
- tmp_dunit_control_low = 0x03000000; /* Read-Data sampled on rising edge of Clk*/
- tmp_sdram_mode = 0x62; /* CL=2,5 Burstlength = 4*/
- DP(printf("Max. CL is 2,5 CLKs 0x141c= %08lx, 0x1404 = %08lx\n",tmp_sdram_mode, tmp_dunit_control_low ));
- }
- break;
+ case DDR:
+ DP (printf ("### SET-CL for DDR-RAM\n"));
- case DDR_CL_2:
- if (tmp == 1) /* Sync*/
- {
- tmp_dunit_control_low = 0x03000000; /* Read-Data sampled on rising edge of Clk*/
- tmp_sdram_mode = 0x22; /* CL=2 Burstlength = 4*/
- DP(printf("Max. CL is 2s CLKs 0x141c= %08lx, 0x1404 = %08lx\n",tmp_sdram_mode, tmp_dunit_control_low ));
- }
- else /* Not sync. */
- {
- tmp_dunit_control_low = 0x3b000000; /* Read-Data sampled on rising edge of Clk*/
- tmp_sdram_mode = 0x22; /* CL=2 Burstlength = 4*/
- DP(printf("Max. CL is 2 CLKs 0x141c= %08lx, 0x1404 = %08lx\n",tmp_sdram_mode, tmp_dunit_control_low ));
- }
- break;
+ switch (info->maxClSupported_DDR) {
+ case DDR_CL_3:
+ tmp_dunit_control_low = 0x3c000000; /* Read-Data sampled on falling edge of Clk */
+ tmp_sdram_mode = 0x32; /* CL=3 Burstlength = 4 */
+ DP (printf
+ ("Max. CL is 3 CLKs 0x141c= %08lx, 0x1404 = %08lx\n",
+ tmp_sdram_mode, tmp_dunit_control_low));
+ break;
- case DDR_CL_1_5:
- if (tmp == 1) /* Sync*/
- {
- tmp_dunit_control_low = 0x23000000; /* Read-Data sampled on falling edge of Clk*/
- tmp_sdram_mode = 0x52; /* CL=1,5 Burstlength = 4*/
- DP(printf("Max. CL is 1,5s CLKs 0x141c= %08lx, 0x1404 = %08lx\n",tmp_sdram_mode, tmp_dunit_control_low ));
- }
- else /* not sync*/
- {
- tmp_dunit_control_low = 0x1a000000; /* Read-Data sampled on rising edge of Clk*/
- tmp_sdram_mode = 0x52; /* CL=1,5 Burstlength = 4*/
- DP(printf("Max. CL is 1,5 CLKs 0x141c= %08lx, 0x1404 = %08lx\n",tmp_sdram_mode, tmp_dunit_control_low ));
- }
- break;
+ case DDR_CL_2_5:
+ if (tmp == 1) { /* clocks sync */
+ tmp_dunit_control_low = 0x24000000; /* Read-Data sampled on falling edge of Clk */
+ tmp_sdram_mode = 0x62; /* CL=2,5 Burstlength = 4 */
+ DP (printf
+ ("Max. CL is 2,5s CLKs 0x141c= %08lx, 0x1404 = %08lx\n",
+ tmp_sdram_mode, tmp_dunit_control_low));
+ } else { /* clk sync. bypassed */
- default:
- printf("Max. CL is out of range %d\n", info->maxClSupported_DDR);
- hang();
+ tmp_dunit_control_low = 0x03000000; /* Read-Data sampled on rising edge of Clk */
+ tmp_sdram_mode = 0x62; /* CL=2,5 Burstlength = 4 */
+ DP (printf
+ ("Max. CL is 2,5 CLKs 0x141c= %08lx, 0x1404 = %08lx\n",
+ tmp_sdram_mode, tmp_dunit_control_low));
+ }
+ break;
+
+ case DDR_CL_2:
+ if (tmp == 1) { /* Sync */
+ tmp_dunit_control_low = 0x03000000; /* Read-Data sampled on rising edge of Clk */
+ tmp_sdram_mode = 0x22; /* CL=2 Burstlength = 4 */
+ DP (printf
+ ("Max. CL is 2s CLKs 0x141c= %08lx, 0x1404 = %08lx\n",
+ tmp_sdram_mode, tmp_dunit_control_low));
+ } else { /* Not sync. */
+
+ tmp_dunit_control_low = 0x3b000000; /* Read-Data sampled on rising edge of Clk */
+ tmp_sdram_mode = 0x22; /* CL=2 Burstlength = 4 */
+ DP (printf
+ ("Max. CL is 2 CLKs 0x141c= %08lx, 0x1404 = %08lx\n",
+ tmp_sdram_mode, tmp_dunit_control_low));
+ }
+ break;
+
+ case DDR_CL_1_5:
+ if (tmp == 1) { /* Sync */
+ tmp_dunit_control_low = 0x23000000; /* Read-Data sampled on falling edge of Clk */
+ tmp_sdram_mode = 0x52; /* CL=1,5 Burstlength = 4 */
+ DP (printf
+ ("Max. CL is 1,5s CLKs 0x141c= %08lx, 0x1404 = %08lx\n",
+ tmp_sdram_mode, tmp_dunit_control_low));
+ } else { /* not sync */
+
+ tmp_dunit_control_low = 0x1a000000; /* Read-Data sampled on rising edge of Clk */
+ tmp_sdram_mode = 0x52; /* CL=1,5 Burstlength = 4 */
+ DP (printf
+ ("Max. CL is 1,5 CLKs 0x141c= %08lx, 0x1404 = %08lx\n",
+ tmp_sdram_mode, tmp_dunit_control_low));
+ }
+ break;
+
+ default:
+ printf ("Max. CL is out of range %d\n",
+ info->maxClSupported_DDR);
+ hang ();
+ break;
+ }
break;
- }
- break;
- }
+ }
/* Write results of CL detection procedure */
- GT_REG_WRITE(SDRAM_MODE, tmp_sdram_mode);
- /* set SDRAM mode SetCommand 0x1418*/
- GT_REG_WRITE(SDRAM_OPERATION, 0x3);
- while (GTREGREAD(SDRAM_OPERATION) != 0) {
- DP(printf("\n*** SDRAM_OPERATION 1418 after SDRAM_MODE: Module still busy ... please wait... ***\n"));
- }
+ GT_REG_WRITE (SDRAM_MODE, tmp_sdram_mode);
+ /* set SDRAM mode SetCommand 0x1418 */
+ GT_REG_WRITE (SDRAM_OPERATION, 0x3);
+ while (GTREGREAD (SDRAM_OPERATION) != 0) {
+ DP (printf
+ ("\n*** SDRAM_OPERATION 1418 after SDRAM_MODE: Module still busy ... please wait... ***\n"));
+ }
/* SDRAM D_UNIT_CONTROL_LOW 0x1404 */
- tmp = (GTREGREAD(D_UNIT_CONTROL_LOW) & 0x01); /* Clock Domain Sync from power on reset*/
- if (tmp != 1) /*clocks are not sync*/
- {
- /* asyncmode*/
- GT_REG_WRITE(D_UNIT_CONTROL_LOW ,
- (GTREGREAD(D_UNIT_CONTROL_LOW) & 0x7F) | 0x18110780 | tmp_dunit_control_low );
- }
- else
- {
- /* syncmode*/
- GT_REG_WRITE(D_UNIT_CONTROL_LOW ,
- (GTREGREAD(D_UNIT_CONTROL_LOW) & 0x7F) | 0x00110000 | tmp_dunit_control_low );
- }
+ tmp = (GTREGREAD (D_UNIT_CONTROL_LOW) & 0x01); /* Clock Domain Sync from power on reset */
+ if (tmp != 1) { /*clocks are not sync */
+ /* asyncmode */
+ GT_REG_WRITE (D_UNIT_CONTROL_LOW,
+ (GTREGREAD (D_UNIT_CONTROL_LOW) & 0x7F) |
+ 0x18110780 | tmp_dunit_control_low);
+ } else {
+ /* syncmode */
+ GT_REG_WRITE (D_UNIT_CONTROL_LOW,
+ (GTREGREAD (D_UNIT_CONTROL_LOW) & 0x7F) |
+ 0x00110000 | tmp_dunit_control_low);
+ }
- /* set SDRAM mode SetCommand 0x1418*/
- GT_REG_WRITE(SDRAM_OPERATION, 0x3);
- while (GTREGREAD(SDRAM_OPERATION) != 0) {
- DP(printf("\n*** SDRAM_OPERATION 1418 after D_UNIT_CONTROL_LOW: Module still busy ... please wait... ***\n"));
- }
+ /* set SDRAM mode SetCommand 0x1418 */
+ GT_REG_WRITE (SDRAM_OPERATION, 0x3);
+ while (GTREGREAD (SDRAM_OPERATION) != 0) {
+ DP (printf
+ ("\n*** SDRAM_OPERATION 1418 after D_UNIT_CONTROL_LOW: Module still busy ... please wait... ***\n"));
+ }
/*------------------------------------------------------------------------------ */
@@ -1196,93 +1422,113 @@
tmp = 0x02;
- DP(printf("drb_size (n*64Mbit): %d\n", info->drb_size));
+ DP (printf ("drb_size (n*64Mbit): %d\n", info->drb_size));
switch (info->drb_size) {
- case 1: /* 64 Mbit */
- case 2: /* 128 Mbit */
- DP(printf("RAM-Device_size 64Mbit or 128Mbit)\n"));
+ case 1: /* 64 Mbit */
+ case 2: /* 128 Mbit */
+ DP (printf ("RAM-Device_size 64Mbit or 128Mbit)\n"));
tmp |= (0x00 << 4);
break;
- case 4: /* 256 Mbit */
- case 8: /* 512 Mbit */
- DP(printf("RAM-Device_size 256Mbit or 512Mbit)\n"));
+ case 4: /* 256 Mbit */
+ case 8: /* 512 Mbit */
+ DP (printf ("RAM-Device_size 256Mbit or 512Mbit)\n"));
tmp |= (0x01 << 4);
break;
- case 16: /* 1 Gbit */
- case 32: /* 2 Gbit */
- DP(printf("RAM-Device_size 1Gbit or 2Gbit)\n"));
+ case 16: /* 1 Gbit */
+ case 32: /* 2 Gbit */
+ DP (printf ("RAM-Device_size 1Gbit or 2Gbit)\n"));
tmp |= (0x02 << 4);
break;
default:
- printf("Error in dram size calculation\n");
- DP(printf("Assume: RAM-Device_size 1Gbit or 2Gbit)\n"));
+ printf ("Error in dram size calculation\n");
+ DP (printf ("Assume: RAM-Device_size 1Gbit or 2Gbit)\n"));
tmp |= (0x02 << 4);
return 1;
}
/* SDRAM bank parameters */
/* the param registers for slot 1 (banks 2+3) are offset by 0x8 */
- DP(printf("setting up slot %d config with: %08lx \n", info->slot, tmp));
- GT_REG_WRITE(SDRAM_ADDR_CONTROL, tmp);
+ DP (printf
+ ("setting up slot %d config with: %08lx \n", info->slot, tmp));
+ GT_REG_WRITE (SDRAM_ADDR_CONTROL, tmp);
/* ------------------------------------------------------------------------------ */
- DP(printf("setting up sdram_timing_control_low with: %08x \n", 0x11511220));
- GT_REG_WRITE(SDRAM_TIMING_CONTROL_LOW, 0x11511220);
+ DP (printf
+ ("setting up sdram_timing_control_low with: %08x \n",
+ 0x11511220));
+ GT_REG_WRITE (SDRAM_TIMING_CONTROL_LOW, 0x11511220);
/* ------------------------------------------------------------------------------ */
/* SDRAM configuration */
- tmp = GTREGREAD(SDRAM_CONFIG);
+ tmp = GTREGREAD (SDRAM_CONFIG);
- if (info->registeredAddrAndControlInputs || info->registeredDQMBinputs) {
- tmp |= (1 << 17);
- DP(printf("SPD says: registered Addr. and Cont.: %d; registered DQMBinputs: %d\n",info->registeredAddrAndControlInputs, info->registeredDQMBinputs));
+ if (info->registeredAddrAndControlInputs
+ || info->registeredDQMBinputs) {
+ tmp |= (1 << 17);
+ DP (printf
+ ("SPD says: registered Addr. and Cont.: %d; registered DQMBinputs: %d\n",
+ info->registeredAddrAndControlInputs,
+ info->registeredDQMBinputs));
}
/* Use buffer 1 to return read data to the CPU
* Page 426 MV64360 */
tmp |= (1 << 26);
- DP(printf("Before Buffer assignment - sdram_conf: %08x\n", GTREGREAD(SDRAM_CONFIG)));
- DP(printf("After Buffer assignment - sdram_conf: %08x\n", GTREGREAD(SDRAM_CONFIG)));
+ DP (printf
+ ("Before Buffer assignment - sdram_conf: %08x\n",
+ GTREGREAD (SDRAM_CONFIG)));
+ DP (printf
+ ("After Buffer assignment - sdram_conf: %08x\n",
+ GTREGREAD (SDRAM_CONFIG)));
- /* SDRAM timing To_do:*/
+ /* SDRAM timing To_do: */
- tmp = GTREGREAD(SDRAM_TIMING_CONTROL_HIGH);
- DP(printf("# sdram_timing_control_high is : %08lx \n", tmp));
+ tmp = GTREGREAD (SDRAM_TIMING_CONTROL_HIGH);
+ DP (printf ("# sdram_timing_control_high is : %08lx \n", tmp));
/* SDRAM address decode register */
/* program this with the default value */
- tmp = GTREGREAD(SDRAM_ADDR_CONTROL);
- DP(printf("SDRAM address control (before: decode): %08x ", GTREGREAD(SDRAM_ADDR_CONTROL)));
- GT_REG_WRITE(SDRAM_ADDR_CONTROL, (tmp | 0x2));
- DP(printf("SDRAM address control (after: decode): %08x\n", GTREGREAD(SDRAM_ADDR_CONTROL)));
+ tmp = GTREGREAD (SDRAM_ADDR_CONTROL);
+ DP (printf
+ ("SDRAM address control (before: decode): %08x ",
+ GTREGREAD (SDRAM_ADDR_CONTROL)));
+ GT_REG_WRITE (SDRAM_ADDR_CONTROL, (tmp | 0x2));
+ DP (printf
+ ("SDRAM address control (after: decode): %08x\n",
+ GTREGREAD (SDRAM_ADDR_CONTROL)));
/* set the SDRAM configuration for each bank */
/* for (i = info->slot * 2; i < ((info->slot * 2) + info->banks); i++) */
{
i = info->slot;
- DP(printf("\n*** Running a MRS cycle for bank %d ***\n", i));
+ DP (printf
+ ("\n*** Running a MRS cycle for bank %d ***\n", i));
/* map the bank */
- memory_map_bank(i, 0, GB/4);
-#if 1 /* test only */
- /* set SDRAM mode */ /* To_do check it*/
- GT_REG_WRITE(SDRAM_OPERATION, 0x3);
- check = GTREGREAD(SDRAM_OPERATION);
- DP(printf("\n*** SDRAM_OPERATION 1418 (0 = Normal Operation) = %08lx ***\n", check));
+ memory_map_bank (i, 0, GB / 4);
+#if 1 /* test only */
+ /* set SDRAM mode */ /* To_do check it */
+ GT_REG_WRITE (SDRAM_OPERATION, 0x3);
+ check = GTREGREAD (SDRAM_OPERATION);
+ DP (printf
+ ("\n*** SDRAM_OPERATION 1418 (0 = Normal Operation) = %08lx ***\n",
+ check));
/* switch back to normal operation mode */
- GT_REG_WRITE(SDRAM_OPERATION, 0);
- check = GTREGREAD(SDRAM_OPERATION);
- DP(printf("\n*** SDRAM_OPERATION 1418 (0 = Normal Operation) = %08lx ***\n", check));
+ GT_REG_WRITE (SDRAM_OPERATION, 0);
+ check = GTREGREAD (SDRAM_OPERATION);
+ DP (printf
+ ("\n*** SDRAM_OPERATION 1418 (0 = Normal Operation) = %08lx ***\n",
+ check));
#endif /* test only */
/* unmap the bank */
- memory_map_bank(i, 0, 0);
+ memory_map_bank (i, 0, 0);
}
return 0;
@@ -1324,7 +1570,7 @@
*b=save2;
if (val != cnt) {
- DP(printf("Found %08x at Address %08x (failure)\n", (unsigned int)val, (unsigned int) addr));
+ DP(printf("Found %08x at Address %08x (failure)\n", (unsigned int)val, (unsigned int) addr));
/* fix boundary condition.. STARTVAL means zero */
if(cnt==STARTVAL/sizeof(long)) cnt=0;
return (cnt * sizeof(long));
@@ -1342,7 +1588,7 @@
{
int s0 = 0, s1 = 0;
int checkbank[4] = { [0 ... 3] = 0 };
- ulong bank_no, realsize, total, check;
+ ulong bank_no, realsize, total, check;
AUX_MEM_DIMM_INFO dimmInfo1;
AUX_MEM_DIMM_INFO dimmInfo2;
int nhr;
@@ -1407,7 +1653,7 @@
}
/* Setup Ethernet DMA Adress window to DRAM Area */
- return(total);
+ return(total);
}
/* ***************************************************************************************
@@ -1422,18 +1668,16 @@
! * DFCDL initialize MV643xx Design Considerations *
! * *
! *************************************************************************************** */
-int
-set_dfcdlInit(void)
+int set_dfcdlInit (void)
{
- int i;
- unsigned int dfcdl_word = 0x0000014f;
- for (i=0 ; i < 64; i++)
- {
- GT_REG_WRITE(SRAM_DATA0, dfcdl_word);
- }
- GT_REG_WRITE(DFCDL_CONFIG0, 0x00300000); /* enable dynamic delay line updating */
+ int i;
+ unsigned int dfcdl_word = 0x0000014f;
+
+ for (i = 0; i < 64; i++) {
+ GT_REG_WRITE (SRAM_DATA0, dfcdl_word);
+ }
+ GT_REG_WRITE (DFCDL_CONFIG0, 0x00300000); /* enable dynamic delay line updating */
- return (0);
+ return (0);
}
-