diff options
| -rw-r--r-- | drivers/edac/amd76x_edac.c | 74 | ||||
| -rw-r--r-- | drivers/edac/e752x_edac.c | 322 | ||||
| -rw-r--r-- | drivers/edac/e7xxx_edac.c | 158 | ||||
| -rw-r--r-- | drivers/edac/i82860_edac.c | 102 | ||||
| -rw-r--r-- | drivers/edac/i82875p_edac.c | 188 | ||||
| -rw-r--r-- | drivers/edac/r82600_edac.c | 118 |
6 files changed, 518 insertions, 444 deletions
diff --git a/drivers/edac/amd76x_edac.c b/drivers/edac/amd76x_edac.c index 303cb500b37..702141c5501 100644 --- a/drivers/edac/amd76x_edac.c +++ b/drivers/edac/amd76x_edac.c @@ -182,6 +182,38 @@ static void amd76x_check(struct mem_ctl_info *mci) amd76x_process_error_info(mci, &info, 1); } +static void amd76x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev, + enum edac_type edac_mode) +{ + struct csrow_info *csrow; + u32 mba, mba_base, mba_mask, dms; + int index; + + for (index = 0; index < mci->nr_csrows; index++) { + csrow = &mci->csrows[index]; + + /* find the DRAM Chip Select Base address and mask */ + pci_read_config_dword(pdev, + AMD76X_MEM_BASE_ADDR + (index * 4), + &mba); + + if (!(mba & BIT(0))) + continue; + + mba_base = mba & 0xff800000UL; + mba_mask = ((mba & 0xff80) << 16) | 0x7fffffUL; + pci_read_config_dword(pdev, AMD76X_DRAM_MODE_STATUS, &dms); + csrow->first_page = mba_base >> PAGE_SHIFT; + csrow->nr_pages = (mba_mask + 1) >> PAGE_SHIFT; + csrow->last_page = csrow->first_page + csrow->nr_pages - 1; + csrow->page_mask = mba_mask >> PAGE_SHIFT; + csrow->grain = csrow->nr_pages << PAGE_SHIFT; + csrow->mtype = MEM_RDDR; + csrow->dtype = ((dms >> index) & 0x1) ? DEV_X4 : DEV_UNKNOWN; + csrow->edac_mode = edac_mode; + } +} + /** * amd76x_probe1 - Perform set up for detected device * @pdev; PCI device detected @@ -193,15 +225,13 @@ static void amd76x_check(struct mem_ctl_info *mci) */ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx) { - int rc = -ENODEV; - int index; - struct mem_ctl_info *mci = NULL; - enum edac_type ems_modes[] = { + static const enum edac_type ems_modes[] = { EDAC_NONE, EDAC_EC, EDAC_SECDED, EDAC_SECDED }; + struct mem_ctl_info *mci = NULL; u32 ems; u32 ems_mode; struct amd76x_error_info discard; @@ -212,8 +242,7 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx) mci = edac_mc_alloc(0, AMD76X_NR_CSROWS, AMD76X_NR_CHANS); if (mci == NULL) { - rc = -ENOMEM; - goto fail; + return -ENOMEM; } debugf0("%s(): mci = %p\n", __func__, mci); @@ -228,33 +257,7 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx) mci->edac_check = amd76x_check; mci->ctl_page_to_phys = NULL; - for (index = 0; index < mci->nr_csrows; index++) { - struct csrow_info *csrow = &mci->csrows[index]; - u32 mba; - u32 mba_base; - u32 mba_mask; - u32 dms; - - /* find the DRAM Chip Select Base address and mask */ - pci_read_config_dword(pdev, - AMD76X_MEM_BASE_ADDR + (index * 4), &mba); - - if (!(mba & BIT(0))) - continue; - - mba_base = mba & 0xff800000UL; - mba_mask = ((mba & 0xff80) << 16) | 0x7fffffUL; - pci_read_config_dword(pdev, AMD76X_DRAM_MODE_STATUS, &dms); - csrow->first_page = mba_base >> PAGE_SHIFT; - csrow->nr_pages = (mba_mask + 1) >> PAGE_SHIFT; - csrow->last_page = csrow->first_page + csrow->nr_pages - 1; - csrow->page_mask = mba_mask >> PAGE_SHIFT; - csrow->grain = csrow->nr_pages << PAGE_SHIFT; - csrow->mtype = MEM_RDDR; - csrow->dtype = ((dms >> index) & 0x1) ? DEV_X4 : DEV_UNKNOWN; - csrow->edac_mode = ems_modes[ems_mode]; - } - + amd76x_init_csrows(mci, pdev, ems_modes[ems_mode]); amd76x_get_error_info(mci, &discard); /* clear counters */ /* Here we assume that we will never see multiple instances of this @@ -270,9 +273,8 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx) return 0; fail: - if (mci != NULL) - edac_mc_free(mci); - return rc; + edac_mc_free(mci); + return -ENODEV; } /* returns count (>= 0), or negative on error */ diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c index 5e773e382e8..5351a76739e 100644 --- a/drivers/edac/e752x_edac.c +++ b/drivers/edac/e752x_edac.c @@ -765,22 +765,174 @@ static void e752x_check(struct mem_ctl_info *mci) e752x_process_error_info(mci, &info, 1); } -static int e752x_probe1(struct pci_dev *pdev, int dev_idx) +/* Return 1 if dual channel mode is active. Else return 0. */ +static inline int dual_channel_active(u16 ddrcsr) +{ + return (((ddrcsr >> 12) & 3) == 3); +} + +static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev, + u16 ddrcsr) +{ + struct csrow_info *csrow; + unsigned long last_cumul_size; + int index, mem_dev, drc_chan; + int drc_drbg; /* DRB granularity 0=64mb, 1=128mb */ + int drc_ddim; /* DRAM Data Integrity Mode 0=none, 2=edac */ + u8 value; + u32 dra, drc, cumul_size; + + pci_read_config_dword(pdev, E752X_DRA, &dra); + pci_read_config_dword(pdev, E752X_DRC, &drc); + drc_chan = dual_channel_active(ddrcsr); + drc_drbg = drc_chan + 1; /* 128 in dual mode, 64 in single */ + drc_ddim = (drc >> 20) & 0x3; + + /* The dram row boundary (DRB) reg values are boundary address for + * each DRAM row with a granularity of 64 or 128MB (single/dual + * channel operation). DRB regs are cumulative; therefore DRB7 will + * contain the total memory contained in all eight rows. + */ + for (last_cumul_size = index = 0; index < mci->nr_csrows; index++) { + /* mem_dev 0=x8, 1=x4 */ + mem_dev = (dra >> (index * 4 + 2)) & 0x3; + csrow = &mci->csrows[index]; + + mem_dev = (mem_dev == 2); + pci_read_config_byte(pdev, E752X_DRB + index, &value); + /* convert a 128 or 64 MiB DRB to a page size. */ + cumul_size = value << (25 + drc_drbg - PAGE_SHIFT); + debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index, + cumul_size); + if (cumul_size == last_cumul_size) + continue; /* not populated */ + + csrow->first_page = last_cumul_size; + csrow->last_page = cumul_size - 1; + csrow->nr_pages = cumul_size - last_cumul_size; + last_cumul_size = cumul_size; + csrow->grain = 1 << 12; /* 4KiB - resolution of CELOG */ + csrow->mtype = MEM_RDDR; /* only one type supported */ + csrow->dtype = mem_dev ? DEV_X4 : DEV_X8; + + /* + * if single channel or x8 devices then SECDED + * if dual channel and x4 then S4ECD4ED + */ + if (drc_ddim) { + if (drc_chan && mem_dev) { + csrow->edac_mode = EDAC_S4ECD4ED; + mci->edac_cap |= EDAC_FLAG_S4ECD4ED; + } else { + csrow->edac_mode = EDAC_SECDED; + mci->edac_cap |= EDAC_FLAG_SECDED; + } + } else + csrow->edac_mode = EDAC_NONE; + } +} + +static void e752x_init_mem_map_table(struct pci_dev *pdev, + struct e752x_pvt *pvt) { - int rc = -ENODEV; int index; + u8 value, last, row, stat8; + + last = 0; + row = 0; + + for (index = 0; index < 8; index += 2) { + pci_read_config_byte(pdev, E752X_DRB + index, &value); + /* test if there is a dimm in this slot */ + if (value == last) { + /* no dimm in the slot, so flag it as empty */ + pvt->map[index] = 0xff; + pvt->map[index + 1] = 0xff; + } else { /* there is a dimm in the slot */ + pvt->map[index] = row; + row++; + last = value; + /* test the next value to see if the dimm is double + * sided + */ + pci_read_config_byte(pdev, E752X_DRB + index + 1, + &value); + pvt->map[index + 1] = (value == last) ? + 0xff : /* the dimm is single sided, + so flag as empty */ + row; /* this is a double sided dimm + to save the next row # */ + row++; + last = value; + } + } + + /* set the map type. 1 = normal, 0 = reversed */ + pci_read_config_byte(pdev, E752X_DRM, &stat8); + pvt->map_type = ((stat8 & 0x0f) > ((stat8 >> 4) & 0x0f)); +} + +/* Return 0 on success or 1 on failure. */ +static int e752x_get_devs(struct pci_dev *pdev, int dev_idx, + struct e752x_pvt *pvt) +{ + struct pci_dev *dev; + + pvt->bridge_ck = pci_get_device(PCI_VENDOR_ID_INTEL, + pvt->dev_info->err_dev, + pvt->bridge_ck); + + if (pvt->bridge_ck == NULL) + pvt->bridge_ck = pci_scan_single_device(pdev->bus, + PCI_DEVFN(0, 1)); + + if (pvt->bridge_ck == NULL) { + e752x_printk(KERN_ERR, "error reporting device not found:" + "vendor %x device 0x%x (broken BIOS?)\n", + PCI_VENDOR_ID_INTEL, e752x_devs[dev_idx].err_dev); + return 1; + } + + dev = pci_get_device(PCI_VENDOR_ID_INTEL, e752x_devs[dev_idx].ctl_dev, + NULL); + + if (dev == NULL) + goto fail; + + pvt->dev_d0f0 = dev; + pvt->dev_d0f1 = pci_dev_get(pvt->bridge_ck); + + return 0; + +fail: + pci_dev_put(pvt->bridge_ck); + return 1; +} + +static void e752x_init_error_reporting_regs(struct e752x_pvt *pvt) +{ + struct pci_dev *dev; + + dev = pvt->dev_d0f1; + /* Turn off error disable & SMI in case the BIOS turned it on */ + pci_write_config_byte(dev, E752X_HI_ERRMASK, 0x00); + pci_write_config_byte(dev, E752X_HI_SMICMD, 0x00); + pci_write_config_word(dev, E752X_SYSBUS_ERRMASK, 0x00); + pci_write_config_word(dev, E752X_SYSBUS_SMICMD, 0x00); + pci_write_config_byte(dev, E752X_BUF_ERRMASK, 0x00); + pci_write_config_byte(dev, E752X_BUF_SMICMD, 0x00); + pci_write_config_byte(dev, E752X_DRAM_ERRMASK, 0x00); + pci_write_config_byte(dev, E752X_DRAM_SMICMD, 0x00); +} + +static int e752x_probe1(struct pci_dev *pdev, int dev_idx) +{ u16 pci_data; u8 stat8; - struct mem_ctl_info *mci = NULL; - struct e752x_pvt *pvt = NULL; + struct mem_ctl_info *mci; + struct e752x_pvt *pvt; u16 ddrcsr; - u32 drc; int drc_chan; /* Number of channels 0=1chan,1=2chan */ - int drc_drbg; /* DRB granularity 0=64mb, 1=128mb */ - int drc_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */ - u32 dra; - unsigned long last_cumul_size; - struct pci_dev *dev = NULL; struct e752x_error_info discard; debugf0("%s(): mci\n", __func__); @@ -794,25 +946,20 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx) if (!force_function_unhide && !(stat8 & (1 << 5))) { printk(KERN_INFO "Contact your BIOS vendor to see if the " "E752x error registers can be safely un-hidden\n"); - goto fail; + return -ENOMEM; } stat8 |= (1 << 5); pci_write_config_byte(pdev, E752X_DEVPRES1, stat8); - /* need to find out the number of channels */ - pci_read_config_dword(pdev, E752X_DRC, &drc); pci_read_config_word(pdev, E752X_DDRCSR, &ddrcsr); /* FIXME: should check >>12 or 0xf, true for all? */ /* Dual channel = 1, Single channel = 0 */ - drc_chan = (((ddrcsr >> 12) & 3) == 3); - drc_drbg = drc_chan + 1; /* 128 in dual mode, 64 in single */ - drc_ddim = (drc >> 20) & 0x3; + drc_chan = dual_channel_active(ddrcsr); mci = edac_mc_alloc(sizeof(*pvt), E752X_NR_CSROWS, drc_chan + 1); if (mci == NULL) { - rc = -ENOMEM; - goto fail; + return -ENOMEM; } debugf3("%s(): init mci\n", __func__); @@ -827,113 +974,20 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx) debugf3("%s(): init pvt\n", __func__); pvt = (struct e752x_pvt *) mci->pvt_info; pvt->dev_info = &e752x_devs[dev_idx]; - pvt->bridge_ck = pci_get_device(PCI_VENDOR_ID_INTEL, - pvt->dev_info->err_dev, - pvt->bridge_ck); - - if (pvt->bridge_ck == NULL) - pvt->bridge_ck = pci_scan_single_device(pdev->bus, - PCI_DEVFN(0, 1)); + pvt->mc_symmetric = ((ddrcsr & 0x10) != 0); - if (pvt->bridge_ck == NULL) { - e752x_printk(KERN_ERR, "error reporting device not found:" - "vendor %x device 0x%x (broken BIOS?)\n", - PCI_VENDOR_ID_INTEL, e752x_devs[dev_idx].err_dev); - goto fail; + if (e752x_get_devs(pdev, dev_idx, pvt)) { + edac_mc_free(mci); + return -ENODEV; } - pvt->mc_symmetric = ((ddrcsr & 0x10) != 0); debugf3("%s(): more mci init\n", __func__); mci->ctl_name = pvt->dev_info->ctl_name; mci->edac_check = e752x_check; mci->ctl_page_to_phys = ctl_page_to_phys; - /* find out the device types */ - pci_read_config_dword(pdev, E752X_DRA, &dra); - - /* - * The dram row boundary (DRB) reg values are boundary address for - * each DRAM row with a granularity of 64 or 128MB (single/dual - * channel operation). DRB regs are cumulative; therefore DRB7 will - * contain the total memory contained in all eight rows. - */ - for (last_cumul_size = index = 0; index < mci->nr_csrows; index++) { - u8 value; - u32 cumul_size; - - /* mem_dev 0=x8, 1=x4 */ - int mem_dev = (dra >> (index * 4 + 2)) & 0x3; - struct csrow_info *csrow = &mci->csrows[index]; - - mem_dev = (mem_dev == 2); - pci_read_config_byte(pdev, E752X_DRB + index, &value); - /* convert a 128 or 64 MiB DRB to a page size. */ - cumul_size = value << (25 + drc_drbg - PAGE_SHIFT); - debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index, - cumul_size); - - if (cumul_size == last_cumul_size) - continue; /* not populated */ - - csrow->first_page = last_cumul_size; - csrow->last_page = cumul_size - 1; - csrow->nr_pages = cumul_size - last_cumul_size; - last_cumul_size = cumul_size; - csrow->grain = 1 << 12; /* 4KiB - resolution of CELOG */ - csrow->mtype = MEM_RDDR; /* only one type supported */ - csrow->dtype = mem_dev ? DEV_X4 : DEV_X8; - - /* - * if single channel or x8 devices then SECDED - * if dual channel and x4 then S4ECD4ED - */ - if (drc_ddim) { - if (drc_chan && mem_dev) { - csrow->edac_mode = EDAC_S4ECD4ED; - mci->edac_cap |= EDAC_FLAG_S4ECD4ED; - } else { - csrow->edac_mode = EDAC_SECDED; - mci->edac_cap |= EDAC_FLAG_SECDED; - } - } else - csrow->edac_mode = EDAC_NONE; - } - - /* Fill in the memory map table */ - { - u8 value; - u8 last = 0; - u8 row = 0; - - for (index = 0; index < 8; index += 2) { - pci_read_config_byte(pdev, E752X_DRB + index, &value); - - /* test if there is a dimm in this slot */ - if (value == last) { - /* no dimm in the slot, so flag it as empty */ - pvt->map[index] = 0xff; - pvt->map[index + 1] = 0xff; - } else { /* there is a dimm in the slot */ - pvt->map[index] = row; - row++; - last = value; - /* test the next value to see if the dimm is - double sided */ - pci_read_config_byte(pdev, - E752X_DRB + index + 1, - &value); - pvt->map[index + 1] = (value == last) ? - 0xff : /* the dimm is single sided, - * so flag as empty - */ - row; /* this is a double sided dimm - * to save the next row # - */ - row++; - last = value; - } - } - } + e752x_init_csrows(mci, pdev, ddrcsr); + e752x_init_mem_map_table(pdev, pvt); /* set the map type. 1 = normal, 0 = reversed */ pci_read_config_byte(pdev, E752X_DRM, &stat8); @@ -961,21 +1015,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx) goto fail; } - dev = pci_get_device(PCI_VENDOR_ID_INTEL, e752x_devs[dev_idx].ctl_dev, - NULL); - pvt->dev_d0f0 = dev; - /* find the error reporting device and clear errors */ - dev = pvt->dev_d0f1 = pci_dev_get(pvt->bridge_ck); - /* Turn off error disable & SMI in case the BIOS turned it on */ - pci_write_config_byte(dev, E752X_HI_ERRMASK, 0x00); - pci_write_config_byte(dev, E752X_HI_SMICMD, 0x00); - pci_write_config_word(dev, E752X_SYSBUS_ERRMASK, 0x00); - pci_write_config_word(dev, E752X_SYSBUS_SMICMD, 0x00); - pci_write_config_byte(dev, E752X_BUF_ERRMASK, 0x00); - pci_write_config_byte(dev, E752X_BUF_SMICMD, 0x00); - pci_write_config_byte(dev, E752X_DRAM_ERRMASK, 0x00); - pci_write_config_byte(dev, E752X_DRAM_SMICMD, 0x00); - + e752x_init_error_reporting_regs(pvt); e752x_get_error_info(mci, &discard); /* clear other MCH errors */ /* get this far and it's successful */ @@ -983,20 +1023,12 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx) return 0; fail: - if (mci) { - if (pvt->dev_d0f0) - pci_dev_put(pvt->dev_d0f0); - - if (pvt->dev_d0f1) - pci_dev_put(pvt->dev_d0f1); - - if (pvt->bridge_ck) - pci_dev_put(pvt->bridge_ck); - - edac_mc_free(mci); - } + pci_dev_put(pvt->dev_d0f0); + pci_dev_put(pvt->dev_d0f1); + pci_dev_put(pvt->bridge_ck); + edac_mc_free(mci); - return rc; + return -ENODEV; } /* returns count (>= 0), or negative on error */ diff --git a/drivers/edac/e7xxx_edac.c b/drivers/edac/e7xxx_edac.c index 1e282c843e7..9878379b499 100644 --- a/drivers/edac/e7xxx_edac.c +++ b/drivers/edac/e7xxx_edac.c @@ -335,99 +335,61 @@ static void e7xxx_check(struct mem_ctl_info *mci) e7xxx_process_error_info(mci, &info, 1); } -static int e7xxx_probe1(struct pci_dev *pdev, int dev_idx) +/* Return 1 if dual channel mode is active. Else return 0. */ +static inline int dual_channel_active(u32 drc, int dev_idx) { - int rc = -ENODEV; - int index; - u16 pci_data; - struct mem_ctl_info *mci = NULL; - struct e7xxx_pvt *pvt = NULL; - u32 drc; - int drc_chan = 1; /* Number of channels 0=1chan,1=2chan */ - int drc_drbg = 1; /* DRB granularity 0=32mb,1=64mb */ - int drc_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */ - u32 dra; - unsigned long last_cumul_size; - struct e7xxx_error_info discard; - - debugf0("%s(): mci\n", __func__); + return (dev_idx == E7501) ? ((drc >> 22) & 0x1) : 1; +} - /* need to find out the number of channels */ - pci_read_config_dword(pdev, E7XXX_DRC, &drc); +/* Return DRB granularity (0=32mb, 1=64mb). */ +static inline int drb_granularity(u32 drc, int dev_idx) +{ /* only e7501 can be single channel */ - if (dev_idx == E7501) { - drc_chan = ((drc >> 22) & 0x1); - drc_drbg = (drc >> 18) & 0x3; - } - - drc_ddim = (drc >> 20) & 0x3; - mci = edac_mc_alloc(sizeof(*pvt), E7XXX_NR_CSROWS, drc_chan + 1); - - if (mci == NULL) { - rc = -ENOMEM; - goto fail; - } - - debugf3("%s(): init mci\n", __func__); - mci->mtype_cap = MEM_FLAG_RDDR; - mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED | - EDAC_FLAG_S4ECD4ED; - /* FIXME - what if different memory types are in different csrows? */ - mci->mod_name = EDAC_MOD_STR; - mci->mod_ver = E7XXX_REVISION; - mci->dev = &pdev->dev; - - debugf3("%s(): init pvt\n", __func__); - pvt = (struct e7xxx_pvt *) mci->pvt_info; - pvt->dev_info = &e7xxx_devs[dev_idx]; - pvt->bridge_ck = pci_get_device(PCI_VENDOR_ID_INTEL, - pvt->dev_info->err_dev, - pvt->bridge_ck); + return (dev_idx == E7501) ? ((drc >> 18) & 0x3) : 1; +} - if (!pvt->bridge_ck) { - e7xxx_printk(KERN_ERR, "error reporting device not found:" - "vendor %x device 0x%x (broken BIOS?)\n", - PCI_VENDOR_ID_INTEL, e7xxx_devs[dev_idx].err_dev); - goto fail; - } - debugf3("%s(): more mci init\n", __func__); - mci->ctl_name = pvt->dev_info->ctl_name; - mci->edac_check = e7xxx_check; - mci->ctl_page_to_phys = ctl_page_to_phys; +static void e7xxx_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev, + int dev_idx, u32 drc) +{ + unsigned long last_cumul_size; + int index; + u8 value; + u32 dra, cumul_size; + int drc_chan, drc_drbg, drc_ddim, mem_dev; + struct csrow_info *csrow; - /* find out the device types */ pci_read_config_dword(pdev, E7XXX_DRA, &dra); + drc_chan = dual_channel_active(drc, dev_idx); + drc_drbg = drb_granularity(drc, dev_idx); + drc_ddim = (drc >> 20) & 0x3; + last_cumul_size = 0; - /* - * The dram row boundary (DRB) reg values are boundary address + /* The dram row boundary (DRB) reg values are boundary address * for each DRAM row with a granularity of 32 or 64MB (single/dual * channel operation). DRB regs are cumulative; therefore DRB7 will * contain the total memory contained in all eight rows. */ - for (last_cumul_size = index = 0; index < mci->nr_csrows; index++) { - u8 value; - u32 cumul_size; + for (index = 0; index < mci->nr_csrows; index++) { /* mem_dev 0=x8, 1=x4 */ - int mem_dev = (dra >> (index * 4 + 3)) & 0x1; - struct csrow_info *csrow = &mci->csrows[index]; + mem_dev = (dra >> (index * 4 + 3)) & 0x1; + csrow = &mci->csrows[index]; pci_read_config_byte(pdev, E7XXX_DRB + index, &value); /* convert a 64 or 32 MiB DRB to a page size. */ cumul_size = value << (25 + drc_drbg - PAGE_SHIFT); debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index, cumul_size); - if (cumul_size == last_cumul_size) - continue; /* not populated */ + continue; /* not populated */ csrow->first_page = last_cumul_size; csrow->last_page = cumul_size - 1; csrow->nr_pages = cumul_size - last_cumul_size; last_cumul_size = cumul_size; - csrow->grain = 1 << 12; /* 4KiB - resolution of CELOG */ - csrow->mtype = MEM_RDDR; /* only one type supported */ + csrow->grain = 1 << 12; /* 4KiB - resolution of CELOG */ + csrow->mtype = MEM_RDDR; /* only one type supported */ csrow->dtype = mem_dev ? DEV_X4 : DEV_X8; /* @@ -445,9 +407,54 @@ static int e7xxx_probe1(struct pci_dev *pdev, int dev_idx) } else csrow->edac_mode = EDAC_NONE; } +} - mci->edac_cap |= EDAC_FLAG_NONE; +static int e7xxx_probe1(struct pci_dev *pdev, int dev_idx) +{ + u16 pci_data; + struct mem_ctl_info *mci = NULL; + struct e7xxx_pvt *pvt = NULL; + u32 drc; + int drc_chan; + struct e7xxx_error_info discard; + + debugf0("%s(): mci\n", __func__); + pci_read_config_dword(pdev, E7XXX_DRC, &drc); + + drc_chan = dual_channel_active(drc, dev_idx); + mci = edac_mc_alloc(sizeof(*pvt), E7XXX_NR_CSROWS, drc_chan + 1); + + if (mci == NULL) + return -ENOMEM; + debugf3("%s(): init mci\n", __func__); + mci->mtype_cap = MEM_FLAG_RDDR; + mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED | + EDAC_FLAG_S4ECD4ED; + /* FIXME - what if different memory types are in different csrows? */ + mci->mod_name = EDAC_MOD_STR; + mci->mod_ver = E7XXX_REVISION; + mci->dev = &pdev->dev; + debugf3("%s(): init pvt\n", __func__); + pvt = (struct e7xxx_pvt *) mci->pvt_info; + pvt->dev_info = &e7xxx_devs[dev_idx]; + pvt->bridge_ck = pci_get_device(PCI_VENDOR_ID_INTEL, + pvt->dev_info->err_dev, + pvt->bridge_ck); + + if (!pvt->bridge_ck) { + e7xxx_printk(KERN_ERR, "error reporting device not found:" + "vendor %x device 0x%x (broken BIOS?)\n", + PCI_VENDOR_ID_INTEL, e7xxx_devs[dev_idx].err_dev); + goto fail0; + } + + debugf3("%s(): more mci init\n", __func__); + mci->ctl_name = pvt->dev_info->ctl_name; + mci->edac_check = e7xxx_check; + mci->ctl_page_to_phys = ctl_page_to_phys; + e7xxx_init_csrows(mci, pdev, dev_idx, drc); + mci->edac_cap |= EDAC_FLAG_NONE; debugf3("%s(): tolm, remapbase, remaplimit\n", __func__); /* load the top of low memory, remap base, and remap limit vars */ pci_read_config_word(pdev, E7XXX_TOLM, &pci_data); @@ -468,21 +475,20 @@ static int e7xxx_probe1(struct pci_dev *pdev, int dev_idx) */ if (edac_mc_add_mc(mci,0)) { debugf3("%s(): failed edac_mc_add_mc()\n", __func__); - goto fail; + goto fail1; } /* get this far and it's successful */ debugf3("%s(): success\n", __func__); return 0; -fail: - if (mci != NULL) { - if(pvt != NULL && pvt->bridge_ck) - pci_dev_put(pvt->bridge_ck); - edac_mc_free(mci); - } +fail1: + pci_dev_put(pvt->bridge_ck); + +fail0: + edac_mc_free(mci); - return rc; + return -ENODEV; } /* returns count (>= 0), or negative on error */ diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c index e2c3b8bc097..d196dcc850a 100644 --- a/drivers/edac/i82860_edac.c +++ b/drivers/edac/i82860_edac.c @@ -133,15 +133,50 @@ static void i82860_check(struct mem_ctl_info *mci) i82860_process_error_info(mci, &info, 1); } -static int i82860_probe1(struct pci_dev *pdev, int dev_idx) +static void i82860_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev) { - int rc = -ENODEV; - int index; - struct mem_ctl_info *mci = NULL; unsigned long last_cumul_size; - struct i82860_error_info discard; + u16 mchcfg_ddim; /* DRAM Data Integrity Mode 0=none, 2=edac */ + u16 value; + u32 cumul_size; + struct csrow_info *csrow; + int index; + + pci_read_config_word(pdev, I82860_MCHCFG, &mchcfg_ddim); + mchcfg_ddim = mchcfg_ddim & 0x180; + last_cumul_size = 0; + + /* The group row boundary (GRA) reg values are boundary address + * for each DRAM row with a granularity of 16MB. GRA regs are + * cumulative; therefore GRA15 will contain the total memory contained + * in all eight rows. + */ + for (index = 0; index < mci->nr_csrows; index++) { + csrow = &mci->csrows[index]; + pci_read_config_word(pdev, I82860_GBA + index * 2, &value); + cumul_size = (value & I82860_GBA_MASK) << + (I82860_GBA_SHIFT - PAGE_SHIFT); + debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index, + cumul_size); + + if (cumul_size == last_cumul_size) + continue; /* not populated */ - u16 mchcfg_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */ + csrow->first_page = last_cumul_size; + csrow->last_page = cumul_size - 1; + csrow->nr_pages = cumul_size - last_cumul_size; + last_cumul_size = cumul_size; + csrow->grain = 1 << 12; /* I82860_EAP has 4KiB reolution */ + csrow->mtype = MEM_RMBS; + csrow->dtype = DEV_UNKNOWN; + csrow->edac_mode = mchcfg_ddim ? EDAC_SECDED : EDAC_NONE; + } +} + +static int i82860_probe1(struct pci_dev *pdev, int dev_idx) +{ + struct mem_ctl_info *mci; + struct i82860_error_info discard; /* RDRAM has channels but these don't map onto the abstractions that edac uses. @@ -159,53 +194,15 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx) debugf3("%s(): init mci\n", __func__); mci->dev = &pdev->dev; mci->mtype_cap = MEM_FLAG_DDR; - mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED; /* I"m not sure about this but I think that all RDRAM is SECDED */ mci->edac_cap = EDAC_FLAG_SECDED; - /* adjust FLAGS */ - mci->mod_name = EDAC_MOD_STR; mci->mod_ver = I82860_REVISION; mci->ctl_name = i82860_devs[dev_idx].ctl_name; mci->edac_check = i82860_check; mci->ctl_page_to_phys = NULL; - - pci_read_config_word(pdev, I82860_MCHCFG, &mchcfg_ddim); - mchcfg_ddim = mchcfg_ddim & 0x180; - - /* - * The group row boundary (GRA) reg values are boundary address - * for each DRAM row with a granularity of 16MB. GRA regs are - * cumulative; therefore GRA15 will contain the total memory contained - * in all eight rows. - */ - for (last_cumul_size = index = 0; index < mci->nr_csrows; index++) { - u16 value; - u32 cumul_size; - struct csrow_info *csrow = &mci->csrows[index]; - - pci_read_config_word(pdev, I82860_GBA + index * 2, - &value); - - cumul_size = (value & I82860_GBA_MASK) << - (I82860_GBA_SHIFT - PAGE_SHIFT); - debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index, - cumul_size); - - if (cumul_size == last_cumul_size) - continue; /* not populated */ - - csrow->first_page = last_cumul_size; - csrow->last_page = cumul_size - 1; - csrow->nr_pages = cumul_size - last_cumul_size; - last_cumul_size = cumul_size; - csrow->grain = 1 << 12; /* I82860_EAP has 4KiB reolution */ - csrow->mtype = MEM_RMBS; - csrow->dtype = DEV_UNKNOWN; - csrow->edac_mode = mchcfg_ddim ? EDAC_SECDED : EDAC_NONE; - } - + i82860_init_csrows(mci, pdev); i82860_get_error_info(mci, &discard); /* clear counters */ /* Here we assume that we will never see multiple instances of this @@ -213,14 +210,17 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx) */ if (edac_mc_add_mc(mci,0)) { debugf3("%s(): failed edac_mc_add_mc()\n", __func__); - edac_mc_free(mci); - } else { - /* get this far and it's successful */ - debugf3("%s(): success\n", __func__); - rc = 0; + goto fail; } - return rc; + /* get this far and it's successful */ + debugf3("%s(): success\n", __func__); + + return 0; + +fail: + edac_mc_free(mci); + return -ENODEV; } /* returns count (>= 0), or negative on error */ diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c index 2be18ca9640..6787403463a 100644 --- a/drivers/edac/i82875p_edac.c +++ b/drivers/edac/i82875p_edac.c @@ -265,116 +265,109 @@ static void i82875p_check(struct mem_ctl_info *mci) extern int pci_proc_attach_device(struct pci_dev *); #endif -static int i82875p_probe1(struct pci_dev *pdev, int dev_idx) +/* Return 0 on success or 1 on failure. */ +static int i82875p_setup_overfl_dev(struct pci_dev *pdev, + struct pci_dev **ovrfl_pdev, void __iomem **ovrfl_window) { - int rc = -ENODEV; - int index; - struct mem_ctl_info *mci = NULL; - struct i82875p_pvt *pvt = NULL; - unsigned long last_cumul_size; - struct pci_dev *ovrfl_pdev; - void __iomem *ovrfl_window = NULL; - u32 drc; - u32 drc_chan; /* Number of channels 0=1chan,1=2chan */ - u32 nr_chans; - u32 drc_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */ - struct i82875p_error_info discard; + struct pci_dev *dev; + void __iomem *window; - debugf0("%s()\n", __func__); - ovrfl_pdev = pci_get_device(PCI_VEND_DEV(INTEL, 82875_6), NULL); + *ovrfl_pdev = NULL; + *ovrfl_window = NULL; + dev = pci_get_device(PCI_VEND_DEV(INTEL, 82875_6), NULL); - if (!ovrfl_pdev) { - /* - * Intel tells BIOS developers to hide device 6 which + if (dev == NULL) { + /* Intel tells BIOS developers to hide device 6 which * configures the overflow device access containing * the DRBs - this is where we expose device 6. * http://www.x86-secret.com/articles/tweak/pat/patsecrets-2.htm */ pci_write_bits8(pdev, 0xf4, 0x2, 0x2); - ovrfl_pdev = - pci_scan_single_device(pdev->bus, PCI_DEVFN(6, 0)); + dev = pci_scan_single_device(pdev->bus, PCI_DEVFN(6, 0)); - if (!ovrfl_pdev) - return -ENODEV; + if (dev == NULL) + return 1; } + *ovrfl_pdev = dev; + #ifdef CONFIG_PROC_FS - if (!ovrfl_pdev->procent && pci_proc_attach_device(ovrfl_pdev)) { - i82875p_printk(KERN_ERR, - "%s(): Failed to attach overflow device\n", __func__); - return -ENODEV; + if ((dev->procent == NULL) && pci_proc_attach_device(dev)) { + i82875p_printk(KERN_ERR, "%s(): Failed to attach overflow " + "device\n", __func__); + return 1; } -#endif - /* CONFIG_PROC_FS */ - if (pci_enable_device(ovrfl_pdev)) { - i82875p_printk(KERN_ERR, - "%s(): Failed to enable overflow device\n", __func__); - return -ENODEV; +#endif /* CONFIG_PROC_FS */ + if (pci_enable_device(dev)) { + i82875p_printk(KERN_ERR, "%s(): Failed to enable overflow " + "device\n", __func__); + return 1; } - if (pci_request_regions(ovrfl_pdev, pci_name(ovrfl_pdev))) { + if (pci_request_regions(dev, pci_name(dev))) { #ifdef CORRECT_BIOS goto fail0; #endif } /* cache is irrelevant for PCI bus reads/writes */ - ovrfl_window = ioremap_nocache(pci_resource_start(ovrfl_pdev, 0), - pci_resource_len(ovrfl_pdev, 0)); + window = ioremap_nocache(pci_resource_start(dev, 0), + pci_resource_len(dev, 0)); - if (!ovrfl_window) { + if (window == NULL) { i82875p_printk(KERN_ERR, "%s(): Failed to ioremap bar6\n", - __func__); + __func__); goto fail1; } - /* need to find out the number of channels */ - drc = readl(ovrfl_window + I82875P_DRC); - drc_chan = ((drc >> 21) & 0x1); - nr_chans = drc_chan + 1; + *ovrfl_window = window; + return 0; - drc_ddim = (drc >> 18) & 0x1; - mci = edac_mc_alloc(sizeof(*pvt), I82875P_NR_CSROWS(nr_chans), - nr_chans); +fail1: + pci_release_regions(dev); - if (!mci) { - rc = -ENOMEM; - goto fail2; - } +#ifdef CORRECT_BIOS +fail0: + pci_disable_device(dev); +#endif + /* NOTE: the ovrfl proc entry and pci_dev are intentionally left */ + return 1; +} - debugf3("%s(): init mci\n", __func__); - mci->dev = &pdev->dev; - mci->mtype_cap = MEM_FLAG_DDR; - mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED; - mci->edac_cap = EDAC_FLAG_UNKNOWN; - /* adjust FLAGS */ - mci->mod_name = EDAC_MOD_STR; - mci->mod_ver = I82875P_REVISION; - mci->ctl_name = i82875p_devs[dev_idx].ctl_name; - mci->edac_check = i82875p_check; - mci->ctl_page_to_phys = NULL; - debugf3("%s(): init pvt\n", __func__); - pvt = (struct i82875p_pvt *) mci->pvt_info; - pvt->ovrfl_pdev = ovrfl_pdev; - pvt->ovrfl_window = ovrfl_window; +/* Return 1 if dual channel mode is active. Else return 0. */ +static inline int dual_channel_active(u32 drc) +{ + return (drc >> 21) & 0x1; +} - /* - * The dram row boundary (DRB) reg values are boundary address + +static void i82875p_init_csrows(struct mem_ctl_info *mci, + struct pci_dev *pdev, void __iomem *ovrfl_window, u32 drc) +{ + struct csrow_info *csrow; + unsigned long last_cumul_size; + u8 value; + u32 drc_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */ + u32 cumul_size; + int index; + + drc_ddim = (drc >> 18) & 0x1; + last_cumul_size = 0; + + /* The dram row boundary (DRB) reg values are boundary address * for each DRAM row with a granularity of 32 or 64MB (single/dual * channel operation). DRB regs are cumulative; therefore DRB7 will * contain the total memory contained in all eight rows. */ - for (last_cumul_size = index = 0; index < mci->nr_csrows; index++) { - u8 value; - u32 cumul_size; - struct csrow_info *csrow = &mci->csrows[index]; + + for (index = 0; index < mci->nr_csrows; index++) { + csrow = &mci->csrows[index]; value = readb(ovrfl_window + I82875P_DRB + index); cumul_size = value << (I82875P_DRB_SHIFT - PAGE_SHIFT); debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index, cumul_size); - if (cumul_size == last_cumul_size) continue; /* not populated */ @@ -382,12 +375,54 @@ static int i82875p_probe1(struct pci_dev *pdev, int dev_idx) csrow->last_page = cumul_size - 1; csrow->nr_pages = cumul_size - last_cumul_size; last_cumul_size = cumul_size; - csrow->grain = 1 << 12; /* I82875P_EAP has 4KiB reolution */ + csrow->grain = 1 << 12; /* I82875P_EAP has 4KiB reolution */ csrow->mtype = MEM_DDR; csrow->dtype = DEV_UNKNOWN; csrow->edac_mode = drc_ddim ? EDAC_SECDED : EDAC_NONE; } +} + +static int i82875p_probe1(struct pci_dev *pdev, int dev_idx) +{ + int rc = -ENODEV; + struct mem_ctl_info *mci; + struct i82875p_pvt *pvt; + struct pci_dev *ovrfl_pdev; + void __iomem *ovrfl_window; + u32 drc; + u32 nr_chans; + struct i82875p_error_info discard; + + debugf0("%s()\n", __func__); + ovrfl_pdev = pci_get_device(PCI_VEND_DEV(INTEL, 82875_6), NULL); + + if (i82875p_setup_overfl_dev(pdev, &ovrfl_pdev, &ovrfl_window)) + return -ENODEV; + drc = readl(ovrfl_window + I82875P_DRC); + nr_chans = dual_channel_active(drc) + 1; + mci = edac_mc_alloc(sizeof(*pvt), I82875P_NR_CSROWS(nr_chans), + nr_chans); + + if (!mci) { + rc = -ENOMEM; + goto fail0; + } + debugf3("%s(): init mci\n", __func__); + mci->dev = &pdev->dev; + mci->mtype_cap = MEM_FLAG_DDR; + mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED; + mci->edac_cap = EDAC_FLAG_UNKNOWN; + mci->mod_name = EDAC_MOD_STR; + mci->mod_ver = I82875P_REVISION; + mci->ctl_name = i82875p_devs[dev_idx].ctl_name; + mci->edac_check = i82875p_check; + mci->ctl_page_to_phys = NULL; + debugf3("%s(): init pvt\n", __func__); + pvt = (struct i82875p_pvt *) mci->pvt_info; + pvt->ovrfl_pdev = ovrfl_pdev; + pvt->ovrfl_window = ovrfl_window; + i82875p_init_csrows(mci, pdev, ovrfl_window, drc); i82875p_get_error_info(mci, &discard); /* clear counters */ /* Here we assume that we will never see multiple instances of this @@ -395,25 +430,20 @@ static int i82875p_probe1(struct pci_dev *pdev, int dev_idx) */ if (edac_mc_add_mc(mci,0)) { debugf3("%s(): failed edac_mc_add_mc()\n", __func__); - goto fail3; + goto fail1; } /* get this far and it's successful */ debugf3("%s(): success\n", __func__); return 0; -fail3: +fail1: edac_mc_free(mci); -fail2: +fail0: iounmap(ovrfl_window); - -fail1: pci_release_regions(ovrfl_pdev); -#ifdef CORRECT_BIOS -fail0: -#endif pci_disable_device(ovrfl_pdev); /* NOTE: the ovrfl proc entry and pci_dev are intentionally left */ return rc; diff --git a/drivers/edac/r82600_edac.c b/drivers/edac/r82600_edac.c index eb3aa615dc5..fecdb2c9ee2 100644 --- a/drivers/edac/r82600_edac.c +++ b/drivers/edac/r82600_edac.c @@ -205,25 +205,72 @@ static void r82600_check(struct mem_ctl_info *mci) r82600_process_error_info(mci, &info, 1); } -static int r82600_probe1(struct pci_dev *pdev, int dev_idx) +static inline int ecc_enabled(u8 dramcr) { - int rc = -ENODEV; + return dramcr & BIT(5); +} + +static void r82600_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev, + u8 dramcr) +{ + struct csrow_info *csrow; int index; - struct mem_ctl_info *mci = NULL; + u8 drbar; /* SDRAM Row Boundry Address Register */ + u32 row_high_limit, row_high_limit_last; + u32 reg_sdram, ecc_on, row_base; + + ecc_on = ecc_enabled(dramcr); + reg_sdram = dramcr & BIT(4); + row_high_limit_last = 0; + + for (index = 0; index < mci->nr_csrows; index++) { + csrow = &mci->csrows[index]; + + /* find the DRAM Chip Select Base address and mask */ + pci_read_config_byte(pdev, R82600_DRBA + index, &drbar); + + debugf1("%s() Row=%d DRBA = %#0x\n", __func__, index, drbar); + + row_high_limit = ((u32) drbar << 24); +/* row_high_limit = ((u32)drbar << 24) | 0xffffffUL; */ + + debugf1("%s() Row=%d, Boundry Address=%#0x, Last = %#0x\n", + __func__, index, row_high_limit, row_high_limit_last); + + /* Empty row [p.57] */ + if (row_high_limit == row_high_limit_last) + continue; + + row_base = row_high_limit_last; + + csrow->first_page = row_base >> PAGE_SHIFT; + csrow->last_page = (row_high_limit >> PAGE_SHIFT) - 1; + csrow->nr_pages = csrow->last_page - csrow->first_page + 1; + /* Error address is top 19 bits - so granularity is * + * 14 bits */ + csrow->grain = 1 << 14; + csrow->mtype = reg_sdram ? MEM_RDDR : MEM_DDR; + /* FIXME - check that this is unknowable with this chipset */ + csrow->dtype = DEV_UNKNOWN; + + /* Mode is global on 82600 */ + csrow->edac_mode = ecc_on ? EDAC_SECDED : EDAC_NONE; + row_high_limit_last = row_high_limit; + } +} + +static int r82600_probe1(struct pci_dev *pdev, int dev_idx) +{ + struct mem_ctl_info *mci; u8 dramcr; - u32 ecc_on; - u32 reg_sdram; u32 eapr; u32 scrub_disabled; u32 sdram_refresh_rate; - u32 row_high_limit_last = 0; struct r82600_error_info discard; debugf0("%s()\n", __func__); pci_read_config_byte(pdev, R82600_DRAMC, &dramcr); pci_read_config_dword(pdev, R82600_EAP, &eapr); - ecc_on = dramcr & BIT(5); - reg_sdram = dramcr & BIT(4); scrub_disabled = eapr & BIT(31); sdram_refresh_rate = dramcr & (BIT(0) | BIT(1)); debugf2("%s(): sdram refresh rate = %#0x\n", __func__, @@ -231,10 +278,8 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx) debugf2("%s(): DRAMC register = %#0x\n", __func__, dramcr); mci = edac_mc_alloc(0, R82600_NR_CSROWS, R82600_NR_CHANS); - if (mci == NULL) { - rc = -ENOMEM; - goto fail; - } + if (mci == NULL) + return -ENOMEM; debugf0("%s(): mci = %p\n", __func__, mci); mci->dev = &pdev->dev; @@ -250,7 +295,7 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx) * is possible. */ mci->edac_cap = EDAC_FLAG_NONE | EDAC_FLAG_EC | EDAC_FLAG_SECDED; - if (ecc_on) { + if (ecc_enabled(dramcr)) { if (scrub_disabled) debugf3("%s(): mci = %p - Scrubbing disabled! EAP: " "%#0x\n", __func__, mci, eapr); @@ -262,46 +307,7 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx) mci->ctl_name = "R82600"; mci->edac_check = r82600_check; mci->ctl_page_to_phys = NULL; - - for (index = 0; index < mci->nr_csrows; index++) { - struct csrow_info *csrow = &mci->csrows[index]; - u8 drbar; /* sDram Row Boundry Address Register */ - u32 row_high_limit; - u32 row_base; - - /* find the DRAM Chip Select Base address and mask */ - pci_read_config_byte(pdev, R82600_DRBA + index, &drbar); - - debugf1("MC%d: %s() Row=%d DRBA = %#0x\n", mci->mc_idx, - __func__, index, drbar); - - row_high_limit = ((u32) drbar << 24); -/* row_high_limit = ((u32)drbar << 24) | 0xffffffUL; */ - - debugf1("MC%d: %s() Row=%d, Boundry Address=%#0x, Last = " - "%#0x \n", mci->mc_idx, __func__, index, - row_high_limit, row_high_limit_last); - - /* Empty row [p.57] */ - if (row_high_limit == row_high_limit_last) - continue; - - row_base = row_high_limit_last; - csrow->first_page = row_base >> PAGE_SHIFT; - csrow->last_page = (row_high_limit >> PAGE_SHIFT) - 1; - csrow->nr_pages = csrow->last_page - csrow->first_page + 1; - /* Error address is top 19 bits - so granularity is * - * 14 bits */ - csrow->grain = 1 << 14; - csrow->mtype = reg_sdram ? MEM_RDDR : MEM_DDR; - /* FIXME - check that this is unknowable with this chipset */ - csrow->dtype = DEV_UNKNOWN; - - /* Mode is global on 82600 */ - csrow->edac_mode = ecc_on ? EDAC_SECDED : EDAC_NONE; - row_high_limit_last = row_high_limit; - } - + r82600_init_csrows(mci, pdev, dramcr); r82600_get_error_info(mci, &discard); /* clear counters */ /* Here we assume that we will never see multiple instances of this @@ -324,10 +330,8 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx) return 0; fail: - if (mci) - edac_mc_free(mci); - - return rc; + edac_mc_free(mci); + return -ENODEV; } /* returns count (>= 0), or negative on error */ |