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;
/* 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 */
-
- /* 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];
+ 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];
#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*/
- {
- 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"));
+ }
+ 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)
- {
- 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;
+ /* 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;
+ }
}
- 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;
+ 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;
+ 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"));
+ 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;
+ 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;
+ 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"));
+ 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;
+ 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 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 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 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 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 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 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 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));
+ 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;
+ break;
/*------------------------------------------------------------------------------------------------------------------------------*/
- case 31: /* Module Bank Density */
- dimmInfo->moduleBankDensity = data[i];
- DP(printf("Module Bank Density: %d\n", dimmInfo->moduleBankDensity));
+ 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
+ ("*** 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"));
+ DP (printf ("\n"));
#endif
- break;
+ 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 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 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 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;
+ 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;
- }
+ }
+ }
+ /* 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... */
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;
}
/* 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 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_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"));
+ }
/* 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"));
-
- /* 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 ));
+ 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_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_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;
+ 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));
+ 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_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();
+ 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 );
- }
-
- /* 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"));
- }
+ 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"));
+ }
/*------------------------------------------------------------------------------ */
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);
-
- 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));
+ 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));
}
/* 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;
*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));
{
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;
}
/* Setup Ethernet DMA Adress window to DRAM Area */
- return(total);
+ return(total);
}
/* ***************************************************************************************
! * 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);
}
-
#include <malloc.h>
#include <asm/byteorder.h>
-extern int ext2fs_devread (int sector, int byte_offset, int byte_len, char *buf);
+extern int ext2fs_devread (int sector, int byte_offset, int byte_len,
+ char *buf);
/* Magic value used to identify an ext2 filesystem. */
#define EXT2_MAGIC 0xEF53
#define EXT2_BLOCK_SIZE(data) (1 << LOG2_BLOCK_SIZE(data))
/* The ext2 superblock. */
-struct ext2_sblock
-{
+struct ext2_sblock {
uint32_t total_inodes;
uint32_t total_blocks;
uint32_t reserved_blocks;
};
/* The ext2 blockgroup. */
-struct ext2_block_group
-{
+struct ext2_block_group {
uint32_t block_id;
uint32_t inode_id;
uint32_t inode_table_id;
};
/* The ext2 inode. */
-struct ext2_inode
-{
+struct ext2_inode {
uint16_t mode;
uint16_t uid;
uint32_t size;
uint32_t dtime;
uint16_t gid;
uint16_t nlinks;
- uint32_t blockcnt; /* Blocks of 512 bytes!! */
+ uint32_t blockcnt; /* Blocks of 512 bytes!! */
uint32_t flags;
uint32_t osd1;
- union
- {
- struct datablocks
- {
+ union {
+ struct datablocks {
uint32_t dir_blocks[INDIRECT_BLOCKS];
uint32_t indir_block;
uint32_t double_indir_block;
uint32_t tripple_indir_block;
} blocks;
char symlink[60];
- } b;
+ } b;
uint32_t version;
uint32_t acl;
uint32_t dir_acl;
};
/* The header of an ext2 directory entry. */
-struct ext2_dirent
-{
+struct ext2_dirent {
uint32_t inode;
uint16_t direntlen;
- uint8_t namelen;
- uint8_t filetype;
+ uint8_t namelen;
+ uint8_t filetype;
};
-struct ext2fs_node
-{
+struct ext2fs_node {
struct ext2_data *data;
struct ext2_inode inode;
- int ino;
- int inode_read;
+ int ino;
+ int inode_read;
};
/* Information about a "mounted" ext2 filesystem. */
-struct ext2_data
-{
+struct ext2_data {
struct ext2_sblock sblock;
struct ext2_inode *inode;
struct ext2fs_node diropen;
typedef struct ext2fs_node *ext2fs_node_t;
-struct ext2_data *ext2fs_root = NULL;
-ext2fs_node_t ext2fs_file = NULL;
-int symlinknest = 0;
-uint32_t *indir1_block = NULL;
-int indir1_size = 0;
-int indir1_blkno = -1;
-uint32_t *indir2_block = NULL;
-int indir2_size = 0;
-int indir2_blkno = -1;
+struct ext2_data *ext2fs_root = NULL;
+ext2fs_node_t ext2fs_file = NULL;
+int symlinknest = 0;
+uint32_t *indir1_block = NULL;
+int indir1_size = 0;
+int indir1_blkno = -1;
+uint32_t *indir2_block = NULL;
+int indir2_size = 0;
+int indir2_blkno = -1;
static int ext2fs_blockgroup
-(
- struct ext2_data *data,
- int group,
- struct ext2_block_group *blkgrp
- )
-{
+ (struct ext2_data *data, int group, struct ext2_block_group *blkgrp) {
#ifdef DEBUG
- printf("ext2fs read blockgroup\n");
+ printf ("ext2fs read blockgroup\n");
#endif
- return(ext2fs_devread (((__le32_to_cpu (data->sblock.first_data_block) + 1) << LOG2_EXT2_BLOCK_SIZE (data)),
- group * sizeof (struct ext2_block_group),
- sizeof (struct ext2_block_group),
- (char *) blkgrp));
+ return (ext2fs_devread
+ (((__le32_to_cpu (data->sblock.first_data_block) +
+ 1) << LOG2_EXT2_BLOCK_SIZE (data)),
+ group * sizeof (struct ext2_block_group),
+ sizeof (struct ext2_block_group), (char *) blkgrp));
}
static int ext2fs_read_inode
-(
- struct ext2_data *data,
- int ino,
- struct ext2_inode *inode
- )
-{
- struct ext2_block_group blkgrp;
- struct ext2_sblock *sblock = &data->sblock;
- int inodes_per_block;
- int status;
+ (struct ext2_data *data, int ino, struct ext2_inode *inode) {
+ struct ext2_block_group blkgrp;
+ struct ext2_sblock *sblock = &data->sblock;
+ int inodes_per_block;
+ int status;
- unsigned int blkno;
- unsigned int blkoff;
+ unsigned int blkno;
+ unsigned int blkoff;
/* It is easier to calculate if the first inode is 0. */
ino--;
#ifdef DEBUG
- printf("ext2fs read inode %d\n", ino);
+ printf ("ext2fs read inode %d\n", ino);
#endif
- status = ext2fs_blockgroup (data, ino / __le32_to_cpu(sblock->inodes_per_group), &blkgrp);
- if (status == 0)
- {
- return(0);
+ status = ext2fs_blockgroup (data,
+ ino /
+ __le32_to_cpu (sblock->inodes_per_group),
+ &blkgrp);
+ if (status == 0) {
+ return (0);
}
inodes_per_block = EXT2_BLOCK_SIZE (data) / 128;
- blkno = (ino % __le32_to_cpu (sblock->inodes_per_group)) / inodes_per_block;
- blkoff = (ino % __le32_to_cpu (sblock->inodes_per_group)) % inodes_per_block;
+ blkno = (ino % __le32_to_cpu (sblock->inodes_per_group)) /
+ inodes_per_block;
+ blkoff = (ino % __le32_to_cpu (sblock->inodes_per_group)) %
+ inodes_per_block;
#ifdef DEBUG
- printf("ext2fs read inode blkno %d blkoff %d\n", blkno, blkoff);
+ printf ("ext2fs read inode blkno %d blkoff %d\n", blkno, blkoff);
#endif
/* Read the inode. */
- status = ext2fs_devread(((__le32_to_cpu (blkgrp.inode_table_id) + blkno) << LOG2_EXT2_BLOCK_SIZE (data)),
- sizeof (struct ext2_inode) * blkoff,
- sizeof (struct ext2_inode),
- (char *) inode);
- if (status == 0)
- {
- return(0);
- }
- return(1);
+ status = ext2fs_devread (((__le32_to_cpu (blkgrp.inode_table_id) +
+ blkno) << LOG2_EXT2_BLOCK_SIZE (data)),
+ sizeof (struct ext2_inode) * blkoff,
+ sizeof (struct ext2_inode), (char *) inode);
+ if (status == 0) {
+ return (0);
+ }
+ return (1);
}
-void ext2fs_free_node
-(
- ext2fs_node_t node,
- ext2fs_node_t currroot
- )
-{
- if ((node != &ext2fs_root->diropen) && (node != currroot))
- {
+void ext2fs_free_node (ext2fs_node_t node, ext2fs_node_t currroot) {
+ if ((node != &ext2fs_root->diropen) && (node != currroot)) {
free (node);
}
}
-static int ext2fs_read_block
-(
- ext2fs_node_t node,
- int fileblock
- )
-{
- struct ext2_data *data = node->data;
- struct ext2_inode *inode = &node->inode;
- int blknr;
- int blksz = EXT2_BLOCK_SIZE (data);
- int log2_blksz = LOG2_EXT2_BLOCK_SIZE (data);
- int status;
+static int ext2fs_read_block (ext2fs_node_t node, int fileblock) {
+ struct ext2_data *data = node->data;
+ struct ext2_inode *inode = &node->inode;
+ int blknr;
+ int blksz = EXT2_BLOCK_SIZE (data);
+ int log2_blksz = LOG2_EXT2_BLOCK_SIZE (data);
+ int status;
/* Direct blocks. */
- if (fileblock < INDIRECT_BLOCKS)
- {
+ if (fileblock < INDIRECT_BLOCKS) {
blknr = __le32_to_cpu (inode->b.blocks.dir_blocks[fileblock]);
- }
+ }
/* Indirect. */
- else if (fileblock < (INDIRECT_BLOCKS + (blksz/4)))
- {
- if (indir1_block == NULL)
- {
- indir1_block = (uint32_t *) malloc(blksz);
- if (indir1_block == NULL)
- {
- printf("** ext2fs read block (indir 1) malloc failed. **\n");
- return(-1);
+ else if (fileblock < (INDIRECT_BLOCKS + (blksz / 4))) {
+ if (indir1_block == NULL) {
+ indir1_block = (uint32_t *) malloc (blksz);
+ if (indir1_block == NULL) {
+ printf ("** ext2fs read block (indir 1) malloc failed. **\n");
+ return (-1);
}
- indir1_size = blksz;
+ indir1_size = blksz;
indir1_blkno = -1;
}
- if (blksz != indir1_size)
- {
- free(indir1_block);
+ if (blksz != indir1_size) {
+ free (indir1_block);
indir1_block = NULL;
- indir1_size = 0;
+ indir1_size = 0;
indir1_blkno = -1;
- indir1_block = (uint32_t *) malloc(blksz);
- if (indir1_block == NULL)
- {
- printf("** ext2fs read block (indir 1) malloc failed. **\n");
- return(-1);
+ indir1_block = (uint32_t *) malloc (blksz);
+ if (indir1_block == NULL) {
+ printf ("** ext2fs read block (indir 1) malloc failed. **\n");
+ return (-1);
}
- indir1_size = blksz;
+ indir1_size = blksz;
}
- if ((__le32_to_cpu(inode->b.blocks.indir_block) << log2_blksz) != indir1_blkno)
- {
- status = ext2fs_devread (__le32_to_cpu(inode->b.blocks.indir_block) << log2_blksz, 0, blksz, (char *) indir1_block);
- if (status == 0)
- {
- printf("** ext2fs read block (indir 1) failed. **\n");
- return(0);
+ if ((__le32_to_cpu (inode->b.blocks.indir_block) <<
+ log2_blksz) != indir1_blkno) {
+ status = ext2fs_devread (__le32_to_cpu(inode->b.blocks.indir_block) << log2_blksz,
+ 0, blksz,
+ (char *) indir1_block);
+ if (status == 0) {
+ printf ("** ext2fs read block (indir 1) failed. **\n");
+ return (0);
}
- indir1_blkno = __le32_to_cpu(inode->b.blocks.indir_block) << log2_blksz;
+ indir1_blkno =
+ __le32_to_cpu (inode->b.blocks.
+ indir_block) << log2_blksz;
}
- blknr = __le32_to_cpu(indir1_block[fileblock - INDIRECT_BLOCKS]);
+ blknr = __le32_to_cpu (indir1_block
+ [fileblock - INDIRECT_BLOCKS]);
}
/* Double indirect. */
- else if (fileblock < (INDIRECT_BLOCKS + (blksz / 4 * (blksz / 4 + 1))))
- {
+ else if (fileblock <
+ (INDIRECT_BLOCKS + (blksz / 4 * (blksz / 4 + 1)))) {
unsigned int perblock = blksz / 4;
unsigned int rblock = fileblock - (INDIRECT_BLOCKS
+ blksz / 4);
- if (indir1_block == NULL)
- {
- indir1_block = (uint32_t *) malloc(blksz);
- if (indir1_block == NULL)
- {
- printf("** ext2fs read block (indir 2 1) malloc failed. **\n");
- return(-1);
+ if (indir1_block == NULL) {
+ indir1_block = (uint32_t *) malloc (blksz);
+ if (indir1_block == NULL) {
+ printf ("** ext2fs read block (indir 2 1) malloc failed. **\n");
+ return (-1);
}
- indir1_size = blksz;
+ indir1_size = blksz;
indir1_blkno = -1;
}
- if (blksz != indir1_size)
- {
- free(indir1_block);
+ if (blksz != indir1_size) {
+ free (indir1_block);
indir1_block = NULL;
- indir1_size = 0;
+ indir1_size = 0;
indir1_blkno = -1;
- indir1_block = (uint32_t *) malloc(blksz);
- if (indir1_block == NULL)
- {
- printf("** ext2fs read block (indir 2 1) malloc failed. **\n");
- return(-1);
+ indir1_block = (uint32_t *) malloc (blksz);
+ if (indir1_block == NULL) {
+ printf ("** ext2fs read block (indir 2 1) malloc failed. **\n");
+ return (-1);
}
- indir1_size = blksz;
+ indir1_size = blksz;
}
- if ((__le32_to_cpu(inode->b.blocks.double_indir_block) << log2_blksz) != indir1_blkno)
- {
- status = ext2fs_devread (__le32_to_cpu(inode->b.blocks.double_indir_block) << log2_blksz, 0, blksz, (char *) indir1_block);
- if (status == 0)
- {
- printf("** ext2fs read block (indir 2 1) failed. **\n");
- return(-1);
+ if ((__le32_to_cpu (inode->b.blocks.double_indir_block) <<
+ log2_blksz) != indir1_blkno) {
+ status = ext2fs_devread (__le32_to_cpu(inode->b.blocks.double_indir_block) << log2_blksz,
+ 0, blksz,
+ (char *) indir1_block);
+ if (status == 0) {
+ printf ("** ext2fs read block (indir 2 1) failed. **\n");
+ return (-1);
}
- indir1_blkno = __le32_to_cpu(inode->b.blocks.double_indir_block) << log2_blksz;
+ indir1_blkno =
+ __le32_to_cpu (inode->b.blocks.double_indir_block) << log2_blksz;
}
- if (indir2_block == NULL)
- {
- indir2_block = (uint32_t *) malloc(blksz);
- if (indir2_block == NULL)
- {
- printf("** ext2fs read block (indir 2 2) malloc failed. **\n");
- return(-1);
+ if (indir2_block == NULL) {
+ indir2_block = (uint32_t *) malloc (blksz);
+ if (indir2_block == NULL) {
+ printf ("** ext2fs read block (indir 2 2) malloc failed. **\n");
+ return (-1);
}
- indir2_size = blksz;
+ indir2_size = blksz;
indir2_blkno = -1;
}
- if (blksz != indir2_size)
- {
- free(indir2_block);
+ if (blksz != indir2_size) {
+ free (indir2_block);
indir2_block = NULL;
- indir2_size = 0;
+ indir2_size = 0;
indir2_blkno = -1;
- indir2_block = (uint32_t *) malloc(blksz);
- if (indir2_block == NULL)
- {
- printf("** ext2fs read block (indir 2 2) malloc failed. **\n");
- return(-1);
+ indir2_block = (uint32_t *) malloc (blksz);
+ if (indir2_block == NULL) {
+ printf ("** ext2fs read block (indir 2 2) malloc failed. **\n");
+ return (-1);
}
- indir2_size = blksz;
+ indir2_size = blksz;
}
- if ((__le32_to_cpu(indir1_block[rblock / perblock]) << log2_blksz) != indir1_blkno)
- {
- status = ext2fs_devread(__le32_to_cpu(indir1_block[rblock / perblock]) << log2_blksz, 0, blksz, (char *) indir2_block);
- if (status == 0)
- {
- printf("** ext2fs read block (indir 2 2) failed. **\n");
- return(-1);
+ if ((__le32_to_cpu (indir1_block[rblock / perblock]) <<
+ log2_blksz) != indir1_blkno) {
+ status = ext2fs_devread (__le32_to_cpu(indir1_block[rblock / perblock]) << log2_blksz,
+ 0, blksz,
+ (char *) indir2_block);
+ if (status == 0) {
+ printf ("** ext2fs read block (indir 2 2) failed. **\n");
+ return (-1);
}
- indir2_blkno = __le32_to_cpu(indir1_block[rblock / perblock]) << log2_blksz;
+ indir2_blkno =
+ __le32_to_cpu (indir1_block[rblock / perblock]) << log2_blksz;
}
- blknr = __le32_to_cpu(indir2_block[rblock % perblock]);
+ blknr = __le32_to_cpu (indir2_block[rblock % perblock]);
}
/* Tripple indirect. */
- else
- {
- printf("** ext2fs doesn't support tripple indirect blocks. **\n");
- return(-1);
- }
+ else {
+ printf ("** ext2fs doesn't support tripple indirect blocks. **\n");
+ return (-1);
+ }
#ifdef DEBUG
- printf("ext2fs_read_block %08x\n", blknr);
+ printf ("ext2fs_read_block %08x\n", blknr);
#endif
- return(blknr);
+ return (blknr);
}
int ext2fs_read_file
-(
- ext2fs_node_t node,
- int pos,
- unsigned int len,
- char *buf
- )
-{
- int i;
- int blockcnt;
- int log2blocksize = LOG2_EXT2_BLOCK_SIZE (node->data);
- int blocksize = 1 << (log2blocksize + DISK_SECTOR_BITS);
- unsigned int filesize = node->inode.size;
+ (ext2fs_node_t node, int pos, unsigned int len, char *buf) {
+ int i;
+ int blockcnt;
+ int log2blocksize = LOG2_EXT2_BLOCK_SIZE (node->data);
+ int blocksize = 1 << (log2blocksize + DISK_SECTOR_BITS);
+ unsigned int filesize = node->inode.size;
/* Adjust len so it we can't read past the end of the file. */
- if (len > filesize)
- {
+ if (len > filesize) {
len = filesize;
}
- blockcnt = ((len + pos) + blocksize - 1) / blocksize;
+ blockcnt = ((len + pos) + blocksize - 1) / blocksize;
- for (i = pos / blocksize; i < blockcnt; i++)
- {
+ for (i = pos / blocksize; i < blockcnt; i++) {
int blknr;
int blockoff = pos % blocksize;
int blockend = blocksize;
int skipfirst = 0;
- blknr = ext2fs_read_block(node, i);
- if (blknr < 0)
- {
- return(-1);
+ blknr = ext2fs_read_block (node, i);
+ if (blknr < 0) {
+ return (-1);
}
blknr = blknr << log2blocksize;
/* Last block. */
- if (i == blockcnt - 1)
- {
+ if (i == blockcnt - 1) {
blockend = (len + pos) % blocksize;
/* The last portion is exactly blocksize. */
- if (!blockend)
- {
+ if (!blockend) {
blockend = blocksize;
}
}
/* First block. */
- if (i == pos / blocksize)
- {
+ if (i == pos / blocksize) {
skipfirst = blockoff;
blockend -= skipfirst;
}
/* If the block number is 0 this block is not stored on disk but
is zero filled instead. */
- if (blknr)
- {
+ if (blknr) {
int status;
status = ext2fs_devread (blknr, skipfirst, blockend, buf);
- if (status == 0)
- {
- return(-1);
+ if (status == 0) {
+ return (-1);
}
- }
- else
- {
+ } else {
memset (buf, blocksize - skipfirst, 0);
}
buf += blocksize - skipfirst;
- }
- return(len);
+ }
+ return (len);
}
-static int ext2fs_iterate_dir
-(
- ext2fs_node_t dir,
- char *name,
- ext2fs_node_t *fnode,
- int *ftype
- )
+static int ext2fs_iterate_dir (ext2fs_node_t dir, char *name, ext2fs_node_t * fnode, int *ftype)
{
unsigned int fpos = 0;
- int status;
+ int status;
struct ext2fs_node *diro = (struct ext2fs_node *) dir;
+
#ifdef DEBUG
- if (name != NULL) printf("Iterate dir %s\n", name);
+ if (name != NULL)
+ printf ("Iterate dir %s\n", name);
#endif /* of DEBUG */
- if (!diro->inode_read)
- {
- status = ext2fs_read_inode (diro->data, diro->ino, &diro->inode);
- if (status == 0)
- {
- return(0);
+ if (!diro->inode_read) {
+ status = ext2fs_read_inode (diro->data, diro->ino,
+ &diro->inode);
+ if (status == 0) {
+ return (0);
}
}
/* Search the file. */
- while (fpos < __le32_to_cpu (diro->inode.size))
- {
+ while (fpos < __le32_to_cpu (diro->inode.size)) {
struct ext2_dirent dirent;
- status = ext2fs_read_file (diro, fpos, sizeof (struct ext2_dirent), (char *) &dirent);
- if (status < 1)
- {
- return(0);
+ status = ext2fs_read_file (diro, fpos,
+ sizeof (struct ext2_dirent),
+ (char *) &dirent);
+ if (status < 1) {
+ return (0);
}
- if (dirent.namelen != 0)
- {
- char filename[dirent.namelen + 1];
- ext2fs_node_t fdiro;
- int type = FILETYPE_UNKNOWN;
-
- status = ext2fs_read_file (diro, fpos + sizeof (struct ext2_dirent), dirent.namelen, filename);
- if (status < 1)
- {
- return(0);
+ if (dirent.namelen != 0) {
+ char filename[dirent.namelen + 1];
+ ext2fs_node_t fdiro;
+ int type = FILETYPE_UNKNOWN;
+
+ status = ext2fs_read_file (diro,
+ fpos + sizeof (struct ext2_dirent),
+ dirent.namelen, filename);
+ if (status < 1) {
+ return (0);
}
fdiro = malloc (sizeof (struct ext2fs_node));
- if (!fdiro)
- {
- return(0);
+ if (!fdiro) {
+ return (0);
}
fdiro->data = diro->data;
- fdiro->ino = __le32_to_cpu(dirent.inode);
+ fdiro->ino = __le32_to_cpu (dirent.inode);
filename[dirent.namelen] = '\0';
- if (dirent.filetype != FILETYPE_UNKNOWN)
- {
+ if (dirent.filetype != FILETYPE_UNKNOWN) {
fdiro->inode_read = 0;
- if (dirent.filetype == FILETYPE_DIRECTORY)
- {
+ if (dirent.filetype == FILETYPE_DIRECTORY) {
type = FILETYPE_DIRECTORY;
- }
- else if (dirent.filetype == FILETYPE_SYMLINK)
- {
+ } else if (dirent.filetype ==
+ FILETYPE_SYMLINK) {
type = FILETYPE_SYMLINK;
+ } else if (dirent.filetype == FILETYPE_REG) {
+ type = FILETYPE_REG;
}
- else if (dirent.filetype == FILETYPE_REG)
- {
- type = FILETYPE_REG;
- }
- }
- else
- {
+ } else {
/* The filetype can not be read from the dirent, get it from inode */
- status = ext2fs_read_inode (diro->data, __le32_to_cpu (dirent.inode), &fdiro->inode);
- if (status == 0)
- {
- free(fdiro);
- return(0);
+ status = ext2fs_read_inode (diro->data,
+ __le32_to_cpu(dirent.inode),
+ &fdiro->inode);
+ if (status == 0) {
+ free (fdiro);
+ return (0);
}
fdiro->inode_read = 1;
- if ((__le16_to_cpu (fdiro->inode.mode) & FILETYPE_INO_MASK) == FILETYPE_INO_DIRECTORY)
- {
+ if ((__le16_to_cpu (fdiro->inode.mode) &
+ FILETYPE_INO_MASK) ==
+ FILETYPE_INO_DIRECTORY) {
type = FILETYPE_DIRECTORY;
- }
- else if ((__le16_to_cpu (fdiro->inode.mode) & FILETYPE_INO_MASK) == FILETYPE_INO_SYMLINK)
- {
+ } else if ((__le16_to_cpu (fdiro->inode.mode)
+ & FILETYPE_INO_MASK) ==
+ FILETYPE_INO_SYMLINK) {
type = FILETYPE_SYMLINK;
- }
- else if ((__le16_to_cpu (fdiro->inode.mode) & FILETYPE_INO_MASK) == FILETYPE_INO_REG)
- {
+ } else if ((__le16_to_cpu (fdiro->inode.mode)
+ & FILETYPE_INO_MASK) ==
+ FILETYPE_INO_REG) {
type = FILETYPE_REG;
}
}
#ifdef DEBUG
- printf("iterate >%s<\n", filename);
+ printf ("iterate >%s<\n", filename);
#endif /* of DEBUG */
- if ((name != NULL) && (fnode != NULL) && (ftype != NULL))
- {
- if(strcmp(filename, name) == 0)
- {
+ if ((name != NULL) && (fnode != NULL)
+ && (ftype != NULL)) {
+ if (strcmp (filename, name) == 0) {
*ftype = type;
*fnode = fdiro;
- return(1);
+ return (1);
}
- }
- else
- {
- if (fdiro->inode_read == 0)
- {
- status = ext2fs_read_inode (diro->data, __le32_to_cpu (dirent.inode), &fdiro->inode);
- if (status == 0)
- {
- free(fdiro);
- return(0);
+ } else {
+ if (fdiro->inode_read == 0) {
+ status = ext2fs_read_inode (diro->data,
+ __le32_to_cpu (dirent.inode),
+ &fdiro->inode);
+ if (status == 0) {
+ free (fdiro);
+ return (0);
}
fdiro->inode_read = 1;
}
- switch(type)
- {
+ switch (type) {
case FILETYPE_DIRECTORY:
- printf("<DIR> ");
+ printf ("<DIR> ");
break;
case FILETYPE_SYMLINK:
- printf("<SYM> ");
+ printf ("<SYM> ");
break;
case FILETYPE_REG:
- printf(" ");
+ printf (" ");
break;
default:
- printf("<???> ");
+ printf ("<???> ");
break;
}
- printf("%10d %s\n", __le32_to_cpu(fdiro->inode.size), filename);
+ printf ("%10d %s\n",
+ __le32_to_cpu (fdiro->inode.size),
+ filename);
}
- free(fdiro);
+ free (fdiro);
}
fpos += __le16_to_cpu (dirent.direntlen);
}
- return(0);
+ return (0);
}
-static char *ext2fs_read_symlink
-(
- ext2fs_node_t node
- )
-{
- char *symlink;
+static char *ext2fs_read_symlink (ext2fs_node_t node) {
+ char *symlink;
struct ext2fs_node *diro = node;
- int status;
-
- if (!diro->inode_read)
- {
- status = ext2fs_read_inode (diro->data, diro->ino, &diro->inode);
- if (status == 0)
- {
- return(0);
+ int status;
+
+ if (!diro->inode_read) {
+ status = ext2fs_read_inode (diro->data, diro->ino,
+ &diro->inode);
+ if (status == 0) {
+ return (0);
}
}
symlink = malloc (__le32_to_cpu (diro->inode.size) + 1);
- if (!symlink)
- {
- return(0);
+ if (!symlink) {
+ return (0);
}
/* If the filesize of the symlink is bigger than
60 the symlink is stored in a separate block,
otherwise it is stored in the inode. */
- if (__le32_to_cpu (diro->inode.size) <= 60)
- {
- strncpy (symlink, diro->inode.b.symlink, __le32_to_cpu (diro->inode.size));
- }
- else
- {
- status = ext2fs_read_file (diro, 0, __le32_to_cpu (diro->inode.size), symlink);
- if (status == 0)
- {
+ if (__le32_to_cpu (diro->inode.size) <= 60) {
+ strncpy (symlink, diro->inode.b.symlink,
+ __le32_to_cpu (diro->inode.size));
+ } else {
+ status = ext2fs_read_file (diro, 0,
+ __le32_to_cpu (diro->inode.size),
+ symlink);
+ if (status == 0) {
free (symlink);
- return(0);
+ return (0);
}
}
symlink[__le32_to_cpu (diro->inode.size)] = '\0';
- return(symlink);
+ return (symlink);
}
int ext2fs_find_file1
-(
- const char *currpath,
- ext2fs_node_t currroot,
- ext2fs_node_t *currfound,
- int *foundtype
- )
-{
- char fpath[strlen (currpath) + 1];
- char *name = fpath;
- char *next;
- int status;
- int type = FILETYPE_DIRECTORY;
- ext2fs_node_t currnode = currroot;
- ext2fs_node_t oldnode = currroot;
+ (const char *currpath,
+ ext2fs_node_t currroot, ext2fs_node_t * currfound, int *foundtype) {
+ char fpath[strlen (currpath) + 1];
+ char *name = fpath;
+ char *next;
+ int status;
+ int type = FILETYPE_DIRECTORY;
+ ext2fs_node_t currnode = currroot;
+ ext2fs_node_t oldnode = currroot;
strncpy (fpath, currpath, strlen (currpath) + 1);
/* Remove all leading slashes. */
- while (*name == '/')
- {
+ while (*name == '/') {
name++;
- }
- if (!*name)
- {
+ }
+ if (!*name) {
*currfound = currnode;
- return(1);
+ return (1);
}
- for (;;)
- {
+ for (;;) {
int found;
/* Extract the actual part from the pathname. */
next = strchr (name, '/');
- if (next)
- {
+ if (next) {
/* Remove all leading slashes. */
- while (*next == '/')
- {
+ while (*next == '/') {
*(next++) = '\0';
}
}
/* At this point it is expected that the current node is a directory, check if this is true. */
- if (type != FILETYPE_DIRECTORY)
- {
+ if (type != FILETYPE_DIRECTORY) {
ext2fs_free_node (currnode, currroot);
- return(0);
+ return (0);
}
oldnode = currnode;
/* Iterate over the directory. */
found = ext2fs_iterate_dir (currnode, name, &currnode, &type);
- if (found == 0)
- {
- return(0);
+ if (found == 0) {
+ return (0);
}
- if (found == -1)
- {
+ if (found == -1) {
break;
}
/* Read in the symlink and follow it. */
- if (type == FILETYPE_SYMLINK)
- {
+ if (type == FILETYPE_SYMLINK) {
char *symlink;
/* Test if the symlink does not loop. */
- if (++symlinknest == 8)
- {
+ if (++symlinknest == 8) {
ext2fs_free_node (currnode, currroot);
- ext2fs_free_node (oldnode, currroot);
- return(0);
+ ext2fs_free_node (oldnode, currroot);
+ return (0);
}
symlink = ext2fs_read_symlink (currnode);
ext2fs_free_node (currnode, currroot);
- if (!symlink)
- {
+ if (!symlink) {
ext2fs_free_node (oldnode, currroot);
- return(0);
+ return (0);
}
#ifdef DEBUG
- printf("Got symlink >%s<\n",symlink);
+ printf ("Got symlink >%s<\n", symlink);
#endif /* of DEBUG */
/* The symlink is an absolute path, go back to the root inode. */
- if (symlink[0] == '/')
- {
+ if (symlink[0] == '/') {
ext2fs_free_node (oldnode, currroot);
oldnode = &ext2fs_root->diropen;
}
/* Lookup the node the symlink points to. */
- status = ext2fs_find_file1 (symlink, oldnode, &currnode, &type);
+ status = ext2fs_find_file1 (symlink, oldnode,
+ &currnode, &type);
free (symlink);
- if (status == 0)
- {
+ if (status == 0) {
ext2fs_free_node (oldnode, currroot);
- return(0);
+ return (0);
}
}
ext2fs_free_node (oldnode, currroot);
/* Found the node! */
- if (!next || *next == '\0')
- {
+ if (!next || *next == '\0') {
*currfound = currnode;
*foundtype = type;
- return(1);
+ return (1);
}
name = next;
}
- return(-1);
+ return (-1);
}
int ext2fs_find_file
-(
- const char *path,
- ext2fs_node_t rootnode,
- ext2fs_node_t *foundnode,
- int expecttype
- )
-{
+ (const char *path,
+ ext2fs_node_t rootnode, ext2fs_node_t * foundnode, int expecttype) {
int status;
int foundtype = FILETYPE_DIRECTORY;
symlinknest = 0;
- if (!path || path[0] != '/')
- {
- return(0);
+ if (!path || path[0] != '/') {
+ return (0);
}
- status = ext2fs_find_file1(path, rootnode, foundnode, &foundtype);
- if (status == 0)
- {
- return(0);
+ status = ext2fs_find_file1 (path, rootnode, foundnode, &foundtype);
+ if (status == 0) {
+ return (0);
}
/* Check if the node that was found was of the expected type. */
- if ((expecttype == FILETYPE_REG) && (foundtype != expecttype))
- {
- return(0);
- }
- else if ((expecttype == FILETYPE_DIRECTORY) && (foundtype != expecttype))
- {
- return(0);
+ if ((expecttype == FILETYPE_REG) && (foundtype != expecttype)) {
+ return (0);
+ } else if ((expecttype == FILETYPE_DIRECTORY)
+ && (foundtype != expecttype)) {
+ return (0);
}
- return(1);
+ return (1);
}
-int ext2fs_ls
-(
- char *dirname
- )
-{
+int ext2fs_ls (char *dirname) {
ext2fs_node_t dirnode;
- int status;
-
- if (ext2fs_root == NULL)
- {
- return(0);
- }
-
- status = ext2fs_find_file(dirname, &ext2fs_root->diropen, &dirnode, FILETYPE_DIRECTORY);
- if (status != 1)
- {
- printf("** Can not find directory. **\n");
- return(1);
- }
- ext2fs_iterate_dir(dirnode, NULL, NULL, NULL);
- ext2fs_free_node(dirnode, &ext2fs_root->diropen);
- return(0);
+ int status;
+
+ if (ext2fs_root == NULL) {
+ return (0);
+ }
+
+ status = ext2fs_find_file (dirname, &ext2fs_root->diropen, &dirnode,
+ FILETYPE_DIRECTORY);
+ if (status != 1) {
+ printf ("** Can not find directory. **\n");
+ return (1);
+ }
+ ext2fs_iterate_dir (dirnode, NULL, NULL, NULL);
+ ext2fs_free_node (dirnode, &ext2fs_root->diropen);
+ return (0);
}
-int ext2fs_open
-(
- char *filename
- )
-{
- ext2fs_node_t fdiro = NULL;
- int status;
- int len;
+int ext2fs_open (char *filename) {
+ ext2fs_node_t fdiro = NULL;
+ int status;
+ int len;
- if (ext2fs_root == NULL)
- {
- return(0);
+ if (ext2fs_root == NULL) {
+ return (0);
}
ext2fs_file = NULL;
- status = ext2fs_find_file (filename, &ext2fs_root->diropen, &fdiro, FILETYPE_REG);
- if (status == 0)
- {
+ status = ext2fs_find_file (filename, &ext2fs_root->diropen, &fdiro,
+ FILETYPE_REG);
+ if (status == 0) {
goto fail;
}
- if (!fdiro->inode_read)
- {
- status = ext2fs_read_inode (fdiro->data, fdiro->ino, &fdiro->inode);
- if (status == 0)
- {
+ if (!fdiro->inode_read) {
+ status = ext2fs_read_inode (fdiro->data, fdiro->ino,
+ &fdiro->inode);
+ if (status == 0) {
goto fail;
}
}
len = __le32_to_cpu (fdiro->inode.size);
ext2fs_file = fdiro;
- return(len);
+ return (len);
- fail:
- ext2fs_free_node(fdiro, &ext2fs_root->diropen);
- return(0);
+ fail:
+ ext2fs_free_node (fdiro, &ext2fs_root->diropen);
+ return (0);
}
-int ext2fs_close
-(
- void
- )
-{
- if ((ext2fs_file != NULL) && (ext2fs_root != NULL))
- {
- ext2fs_free_node(ext2fs_file, &ext2fs_root->diropen);
+int ext2fs_close (void
+ ) {
+ if ((ext2fs_file != NULL) && (ext2fs_root != NULL)) {
+ ext2fs_free_node (ext2fs_file, &ext2fs_root->diropen);
ext2fs_file = NULL;
}
- if (ext2fs_root != NULL)
- {
- free(ext2fs_root);
- ext2fs_root = NULL;
- }
- if (indir1_block != NULL)
- {
- free(indir1_block);
- indir1_block = NULL;
- indir1_size = 0;
- indir1_blkno = -1;
- }
- if (indir2_block != NULL)
- {
- free(indir2_block);
- indir2_block = NULL;
- indir2_size = 0;
- indir2_blkno = -1;
- }
- return(0);
+ if (ext2fs_root != NULL) {
+ free (ext2fs_root);
+ ext2fs_root = NULL;
+ }
+ if (indir1_block != NULL) {
+ free (indir1_block);
+ indir1_block = NULL;
+ indir1_size = 0;
+ indir1_blkno = -1;
+ }
+ if (indir2_block != NULL) {
+ free (indir2_block);
+ indir2_block = NULL;
+ indir2_size = 0;
+ indir2_blkno = -1;
+ }
+ return (0);
}
-int ext2fs_read
-(
- char *buf,
- unsigned len
- )
-{
+int ext2fs_read (char *buf, unsigned len) {
int status;
- if (ext2fs_root == NULL)
- {
- return(0);
+ if (ext2fs_root == NULL) {
+ return (0);
}
- if (ext2fs_file == NULL)
- {
- return(0);
+ if (ext2fs_file == NULL) {
+ return (0);
}
- status = ext2fs_read_file(ext2fs_file, 0, len, buf);
- return(status);
+ status = ext2fs_read_file (ext2fs_file, 0, len, buf);
+ return (status);
}
-int ext2fs_mount
-(
- unsigned part_length
- )
-{
+int ext2fs_mount (unsigned part_length) {
struct ext2_data *data;
- int status;
+ int status;
data = malloc (sizeof (struct ext2_data));
- if (!data)
- {
- return(0);
+ if (!data) {
+ return (0);
}
/* Read the superblock. */
- status = ext2fs_devread (1 * 2, 0, sizeof (struct ext2_sblock), (char *) &data->sblock);
- if (status == 0)
- {
+ status = ext2fs_devread (1 * 2, 0, sizeof (struct ext2_sblock),
+ (char *) &data->sblock);
+ if (status == 0) {
goto fail;
}
/* Make sure this is an ext2 filesystem. */
- if (__le16_to_cpu (data->sblock.magic) != EXT2_MAGIC)
- {
+ if (__le16_to_cpu (data->sblock.magic) != EXT2_MAGIC) {
goto fail;
}
- data->diropen.data = data;
- data->diropen.ino = 2;
- data->diropen.inode_read = 1;
- data->inode = &data->diropen.inode;
+ data->diropen.data = data;
+ data->diropen.ino = 2;
+ data->diropen.inode_read = 1;
+ data->inode = &data->diropen.inode;
status = ext2fs_read_inode (data, 2, data->inode);
- if (status == 0)
- {
+ if (status == 0) {
goto fail;
}
ext2fs_root = data;
- return(1);
+ return (1);
- fail:
- printf("Failed to mount ext2 filesystem...\n");
- free(data);
+fail:
+ printf ("Failed to mount ext2 filesystem...\n");
+ free (data);
ext2fs_root = NULL;
- return(0);
+ return (0);
}
#endif /* CFG_CMD_EXT2FS */
projects / u-boot / commitdiff