diff options
Diffstat (limited to 'drivers/edac/i82860_edac.c')
| -rw-r--r-- | drivers/edac/i82860_edac.c | 102 |
1 files changed, 51 insertions, 51 deletions
diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c index e2c3b8bc097b..d196dcc850a8 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 */ |