diff options
Diffstat (limited to 'drivers/edac')
-rw-r--r-- | drivers/edac/amd64_edac.c | 8 | ||||
-rw-r--r-- | drivers/edac/i5000_edac.c | 7 | ||||
-rw-r--r-- | drivers/edac/i5400_edac.c | 89 | ||||
-rw-r--r-- | drivers/edac/mpc85xx_edac.c | 2 |
4 files changed, 38 insertions, 68 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 4f4ac82382f..d4560d9d5a8 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -1122,7 +1122,7 @@ static void k8_read_dram_base_limit(struct amd64_pvt *pvt, int dram) debugf0("Reading K8_DRAM_BASE_LOW failed\n"); /* Extract parts into separate data entries */ - pvt->dram_base[dram] = ((u64) low & 0xFFFF0000) << 24; + pvt->dram_base[dram] = ((u64) low & 0xFFFF0000) << 8; pvt->dram_IntlvEn[dram] = (low >> 8) & 0x7; pvt->dram_rw_en[dram] = (low & 0x3); @@ -1135,7 +1135,7 @@ static void k8_read_dram_base_limit(struct amd64_pvt *pvt, int dram) * Extract parts into separate data entries. Limit is the HIGHEST memory * location of the region, so lower 24 bits need to be all ones */ - pvt->dram_limit[dram] = (((u64) low & 0xFFFF0000) << 24) | 0x00FFFFFF; + pvt->dram_limit[dram] = (((u64) low & 0xFFFF0000) << 8) | 0x00FFFFFF; pvt->dram_IntlvSel[dram] = (low >> 8) & 0x7; pvt->dram_DstNode[dram] = (low & 0x7); } @@ -1369,7 +1369,7 @@ static void f10_read_dram_base_limit(struct amd64_pvt *pvt, int dram) pvt->dram_IntlvEn[dram] = (low_base >> 8) & 0x7; pvt->dram_base[dram] = (((u64)high_base & 0x000000FF) << 40) | - (((u64)low_base & 0xFFFF0000) << 24); + (((u64)low_base & 0xFFFF0000) << 8); low_offset = K8_DRAM_LIMIT_LOW + (dram << 3); high_offset = F10_DRAM_LIMIT_HIGH + (dram << 3); @@ -1391,7 +1391,7 @@ static void f10_read_dram_base_limit(struct amd64_pvt *pvt, int dram) * memory location of the region, so low 24 bits need to be all ones. */ pvt->dram_limit[dram] = (((u64)high_limit & 0x000000FF) << 40) | - (((u64) low_limit & 0xFFFF0000) << 24) | + (((u64) low_limit & 0xFFFF0000) << 8) | 0x00FFFFFF; } diff --git a/drivers/edac/i5000_edac.c b/drivers/edac/i5000_edac.c index d335086f4a2..77a9579d716 100644 --- a/drivers/edac/i5000_edac.c +++ b/drivers/edac/i5000_edac.c @@ -1173,7 +1173,7 @@ static void i5000_get_mc_regs(struct mem_ctl_info *mci) pci_read_config_word(pvt->branch_1, where, &pvt->b1_mtr[slot_row]); debugf2("MTR%d where=0x%x B1 value=0x%x\n", slot_row, - where, pvt->b0_mtr[slot_row]); + where, pvt->b1_mtr[slot_row]); } else { pvt->b1_mtr[slot_row] = 0; } @@ -1232,7 +1232,7 @@ static int i5000_init_csrows(struct mem_ctl_info *mci) struct csrow_info *p_csrow; int empty, channel_count; int max_csrows; - int mtr; + int mtr, mtr1; int csrow_megs; int channel; int csrow; @@ -1251,9 +1251,10 @@ static int i5000_init_csrows(struct mem_ctl_info *mci) /* use branch 0 for the basis */ mtr = pvt->b0_mtr[csrow >> 1]; + mtr1 = pvt->b1_mtr[csrow >> 1]; /* if no DIMMS on this row, continue */ - if (!MTR_DIMMS_PRESENT(mtr)) + if (!MTR_DIMMS_PRESENT(mtr) && !MTR_DIMMS_PRESENT(mtr1)) continue; /* FAKE OUT VALUES, FIXME */ diff --git a/drivers/edac/i5400_edac.c b/drivers/edac/i5400_edac.c index b08b6d8e2dc..f99d10655ed 100644 --- a/drivers/edac/i5400_edac.c +++ b/drivers/edac/i5400_edac.c @@ -46,9 +46,10 @@ /* Limits for i5400 */ #define NUM_MTRS_PER_BRANCH 4 #define CHANNELS_PER_BRANCH 2 +#define MAX_DIMMS_PER_CHANNEL NUM_MTRS_PER_BRANCH #define MAX_CHANNELS 4 -#define MAX_DIMMS (MAX_CHANNELS * 4) /* Up to 4 DIMM's per channel */ -#define MAX_CSROWS (MAX_DIMMS * 2) /* max possible csrows per channel */ +/* max possible csrows per channel */ +#define MAX_CSROWS (MAX_DIMMS_PER_CHANNEL) /* Device 16, * Function 0: System Address @@ -331,7 +332,6 @@ static const struct i5400_dev_info i5400_devs[] = { struct i5400_dimm_info { int megabytes; /* size, 0 means not present */ - int dual_rank; }; /* driver private data structure */ @@ -849,11 +849,9 @@ static int determine_mtr(struct i5400_pvt *pvt, int csrow, int channel) int n; /* There is one MTR for each slot pair of FB-DIMMs, - Each slot may have one or two ranks (2 csrows), Each slot pair may be at branch 0 or branch 1. - So, csrow should be divided by eight */ - n = csrow >> 3; + n = csrow; if (n >= NUM_MTRS_PER_BRANCH) { debugf0("ERROR: trying to access an invalid csrow: %d\n", @@ -905,25 +903,22 @@ static void handle_channel(struct i5400_pvt *pvt, int csrow, int channel, amb_present_reg = determine_amb_present_reg(pvt, channel); /* Determine if there is a DIMM present in this DIMM slot */ - if (amb_present_reg & (1 << (csrow >> 1))) { - dinfo->dual_rank = MTR_DIMM_RANK(mtr); - - if (!((dinfo->dual_rank == 0) && - ((csrow & 0x1) == 0x1))) { - /* Start with the number of bits for a Bank - * on the DRAM */ - addrBits = MTR_DRAM_BANKS_ADDR_BITS(mtr); - /* Add thenumber of ROW bits */ - addrBits += MTR_DIMM_ROWS_ADDR_BITS(mtr); - /* add the number of COLUMN bits */ - addrBits += MTR_DIMM_COLS_ADDR_BITS(mtr); - - addrBits += 6; /* add 64 bits per DIMM */ - addrBits -= 20; /* divide by 2^^20 */ - addrBits -= 3; /* 8 bits per bytes */ - - dinfo->megabytes = 1 << addrBits; - } + if (amb_present_reg & (1 << csrow)) { + /* Start with the number of bits for a Bank + * on the DRAM */ + addrBits = MTR_DRAM_BANKS_ADDR_BITS(mtr); + /* Add thenumber of ROW bits */ + addrBits += MTR_DIMM_ROWS_ADDR_BITS(mtr); + /* add the number of COLUMN bits */ + addrBits += MTR_DIMM_COLS_ADDR_BITS(mtr); + /* add the number of RANK bits */ + addrBits += MTR_DIMM_RANK(mtr); + + addrBits += 6; /* add 64 bits per DIMM */ + addrBits -= 20; /* divide by 2^^20 */ + addrBits -= 3; /* 8 bits per bytes */ + + dinfo->megabytes = 1 << addrBits; } } } @@ -951,12 +946,12 @@ static void calculate_dimm_size(struct i5400_pvt *pvt) return; } - /* Scan all the actual CSROWS (which is # of DIMMS * 2) + /* Scan all the actual CSROWS * and calculate the information for each DIMM * Start with the highest csrow first, to display it first * and work toward the 0th csrow */ - max_csrows = pvt->maxdimmperch * 2; + max_csrows = pvt->maxdimmperch; for (csrow = max_csrows - 1; csrow >= 0; csrow--) { /* on an odd csrow, first output a 'boundary' marker, @@ -1064,7 +1059,7 @@ static void i5400_get_mc_regs(struct mem_ctl_info *mci) /* Get the set of MTR[0-3] regs by each branch */ for (slot_row = 0; slot_row < NUM_MTRS_PER_BRANCH; slot_row++) { - int where = MTR0 + (slot_row * sizeof(u32)); + int where = MTR0 + (slot_row * sizeof(u16)); /* Branch 0 set of MTR registers */ pci_read_config_word(pvt->branch_0, where, @@ -1146,7 +1141,7 @@ static int i5400_init_csrows(struct mem_ctl_info *mci) pvt = mci->pvt_info; channel_count = pvt->maxch; - max_csrows = pvt->maxdimmperch * 2; + max_csrows = pvt->maxdimmperch; empty = 1; /* Assume NO memory */ @@ -1215,28 +1210,6 @@ static void i5400_enable_error_reporting(struct mem_ctl_info *mci) } /* - * i5400_get_dimm_and_channel_counts(pdev, &num_csrows, &num_channels) - * - * ask the device how many channels are present and how many CSROWS - * as well - */ -static void i5400_get_dimm_and_channel_counts(struct pci_dev *pdev, - int *num_dimms_per_channel, - int *num_channels) -{ - u8 value; - - /* Need to retrieve just how many channels and dimms per channel are - * supported on this memory controller - */ - pci_read_config_byte(pdev, MAXDIMMPERCH, &value); - *num_dimms_per_channel = (int)value * 2; - - pci_read_config_byte(pdev, MAXCH, &value); - *num_channels = (int)value; -} - -/* * i5400_probe1 Probe for ONE instance of device to see if it is * present. * return: @@ -1263,22 +1236,16 @@ static int i5400_probe1(struct pci_dev *pdev, int dev_idx) if (PCI_FUNC(pdev->devfn) != 0) return -ENODEV; - /* Ask the devices for the number of CSROWS and CHANNELS so - * that we can calculate the memory resources, etc - * - * The Chipset will report what it can handle which will be greater - * or equal to what the motherboard manufacturer will implement. - * - * As we don't have a motherboard identification routine to determine + /* As we don't have a motherboard identification routine to determine * actual number of slots/dimms per channel, we thus utilize the * resource as specified by the chipset. Thus, we might have * have more DIMMs per channel than actually on the mobo, but this * allows the driver to support upto the chipset max, without * some fancy mobo determination. */ - i5400_get_dimm_and_channel_counts(pdev, &num_dimms_per_channel, - &num_channels); - num_csrows = num_dimms_per_channel * 2; + num_dimms_per_channel = MAX_DIMMS_PER_CHANNEL; + num_channels = MAX_CHANNELS; + num_csrows = num_dimms_per_channel; debugf0("MC: %s(): Number of - Channels= %d DIMMS= %d CSROWS= %d\n", __func__, num_channels, num_dimms_per_channel, num_csrows); diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c index 157f6504f25..cf27402af97 100644 --- a/drivers/edac/mpc85xx_edac.c +++ b/drivers/edac/mpc85xx_edac.c @@ -26,7 +26,9 @@ #include "mpc85xx_edac.h" static int edac_dev_idx; +#ifdef CONFIG_PCI static int edac_pci_idx; +#endif static int edac_mc_idx; static u32 orig_ddr_err_disable; |