diff options
Diffstat (limited to 'drivers/edac/amd64_edac.c')
| -rw-r--r-- | drivers/edac/amd64_edac.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 0caf05e376c..e4b2792062e 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -824,7 +824,7 @@ static void dump_misc_regs(struct amd64_pvt *pvt) amd64_debug_display_dimm_sizes(1, pvt); - amd64_info("using %s syndromes.\n", ((pvt->syn_type == 8) ? "x8" : "x4")); + amd64_info("using %s syndromes.\n", ((pvt->ecc_sym_sz == 8) ? "x8" : "x4")); /* Only if NOT ganged does dclr1 have valid info */ if (!dct_ganging_enabled(pvt)) @@ -1778,20 +1778,20 @@ static int get_channel_from_ecc_syndrome(struct mem_ctl_info *mci, u16 syndrome) struct amd64_pvt *pvt = mci->pvt_info; int err_sym = -1; - if (pvt->syn_type == 8) + if (pvt->ecc_sym_sz == 8) err_sym = decode_syndrome(syndrome, x8_vectors, ARRAY_SIZE(x8_vectors), - pvt->syn_type); - else if (pvt->syn_type == 4) + pvt->ecc_sym_sz); + else if (pvt->ecc_sym_sz == 4) err_sym = decode_syndrome(syndrome, x4_vectors, ARRAY_SIZE(x4_vectors), - pvt->syn_type); + pvt->ecc_sym_sz); else { - amd64_warn("Illegal syndrome type: %u\n", pvt->syn_type); + amd64_warn("Illegal syndrome type: %u\n", pvt->ecc_sym_sz); return err_sym; } - return map_err_sym_to_channel(err_sym, pvt->syn_type); + return map_err_sym_to_channel(err_sym, pvt->ecc_sym_sz); } /* @@ -1936,6 +1936,7 @@ static void free_mc_sibling_devs(struct amd64_pvt *pvt) */ static void read_mc_regs(struct amd64_pvt *pvt) { + struct cpuinfo_x86 *c = &boot_cpu_data; u64 msr_val; u32 tmp; int range; @@ -1997,19 +1998,16 @@ static void read_mc_regs(struct amd64_pvt *pvt) amd64_read_dct_pci_cfg(pvt, DCHR1, &pvt->dchr1); } - if (boot_cpu_data.x86 >= 0x10) { + pvt->ecc_sym_sz = 4; + + if (c->x86 >= 0x10) { amd64_read_pci_cfg(pvt->F3, EXT_NB_MCA_CFG, &tmp); amd64_read_dct_pci_cfg(pvt, DBAM1, &pvt->dbam1); - } - - if (boot_cpu_data.x86 == 0x10 && - boot_cpu_data.x86_model > 7 && - /* F3x180[EccSymbolSize]=1 => x8 symbols */ - tmp & BIT(25)) - pvt->syn_type = 8; - else - pvt->syn_type = 4; + /* F10h, revD and later can do x8 ECC too */ + if ((c->x86 > 0x10 || c->x86_model > 7) && tmp & BIT(25)) + pvt->ecc_sym_sz = 8; + } dump_misc_regs(pvt); } |