diff options
Diffstat (limited to 'drivers/edac/amd64_edac.c')
| -rw-r--r-- | drivers/edac/amd64_edac.c | 96 |
1 files changed, 88 insertions, 8 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 52ae415aa699..fdd963794cdb 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -762,8 +762,75 @@ static void debug_dump_dramcfg_low(struct amd64_pvt *pvt, u32 dclr, int chan) (dclr & BIT(15)) ? "yes" : "no"); } +static void debug_display_dimm_sizes_df(struct amd64_pvt *pvt, u8 ctrl) +{ + u32 *dcsb = ctrl ? pvt->csels[1].csbases : pvt->csels[0].csbases; + int dimm, size0, size1; + + edac_printk(KERN_DEBUG, EDAC_MC, "UMC%d chip selects:\n", ctrl); + + for (dimm = 0; dimm < 4; dimm++) { + size0 = 0; + + if (dcsb[dimm*2] & DCSB_CS_ENABLE) + size0 = pvt->ops->dbam_to_cs(pvt, ctrl, 0, dimm); + + size1 = 0; + if (dcsb[dimm*2 + 1] & DCSB_CS_ENABLE) + size1 = pvt->ops->dbam_to_cs(pvt, ctrl, 0, dimm); + + amd64_info(EDAC_MC ": %d: %5dMB %d: %5dMB\n", + dimm * 2, size0, + dimm * 2 + 1, size1); + } +} + +static void __dump_misc_regs_df(struct amd64_pvt *pvt) +{ + struct amd64_umc *umc; + u32 i, tmp, umc_base; + + for (i = 0; i < NUM_UMCS; i++) { + umc_base = get_umc_base(i); + umc = &pvt->umc[i]; + + edac_dbg(1, "UMC%d DIMM cfg: 0x%x\n", i, umc->dimm_cfg); + edac_dbg(1, "UMC%d UMC cfg: 0x%x\n", i, umc->umc_cfg); + edac_dbg(1, "UMC%d SDP ctrl: 0x%x\n", i, umc->sdp_ctrl); + edac_dbg(1, "UMC%d ECC ctrl: 0x%x\n", i, umc->ecc_ctrl); + + amd_smn_read(pvt->mc_node_id, umc_base + UMCCH_ECC_BAD_SYMBOL, &tmp); + edac_dbg(1, "UMC%d ECC bad symbol: 0x%x\n", i, tmp); + + amd_smn_read(pvt->mc_node_id, umc_base + UMCCH_UMC_CAP, &tmp); + edac_dbg(1, "UMC%d UMC cap: 0x%x\n", i, tmp); + edac_dbg(1, "UMC%d UMC cap high: 0x%x\n", i, umc->umc_cap_hi); + + edac_dbg(1, "UMC%d ECC capable: %s, ChipKill ECC capable: %s\n", + i, (umc->umc_cap_hi & BIT(30)) ? "yes" : "no", + (umc->umc_cap_hi & BIT(31)) ? "yes" : "no"); + edac_dbg(1, "UMC%d All DIMMs support ECC: %s\n", + i, (umc->umc_cfg & BIT(12)) ? "yes" : "no"); + edac_dbg(1, "UMC%d x4 DIMMs present: %s\n", + i, (umc->dimm_cfg & BIT(6)) ? "yes" : "no"); + edac_dbg(1, "UMC%d x16 DIMMs present: %s\n", + i, (umc->dimm_cfg & BIT(7)) ? "yes" : "no"); + + if (pvt->dram_type == MEM_LRDDR4) { + amd_smn_read(pvt->mc_node_id, umc_base + UMCCH_ADDR_CFG, &tmp); + edac_dbg(1, "UMC%d LRDIMM %dx rank multiply\n", + i, 1 << ((tmp >> 4) & 0x3)); + } + + debug_display_dimm_sizes_df(pvt, i); + } + + edac_dbg(1, "F0x104 (DRAM Hole Address): 0x%08x, base: 0x%08x\n", + pvt->dhar, dhar_base(pvt)); +} + /* Display and decode various NB registers for debug purposes. */ -static void dump_misc_regs(struct amd64_pvt *pvt) +static void __dump_misc_regs(struct amd64_pvt *pvt) { edac_dbg(1, "F3xE8 (NB Cap): 0x%08x\n", pvt->nbcap); @@ -783,8 +850,6 @@ static void dump_misc_regs(struct amd64_pvt *pvt) (pvt->fam == 0xf) ? k8_dhar_offset(pvt) : f10_dhar_offset(pvt)); - edac_dbg(1, " DramHoleValid: %s\n", dhar_valid(pvt) ? "yes" : "no"); - debug_display_dimm_sizes(pvt, 0); /* everything below this point is Fam10h and above */ @@ -793,13 +858,25 @@ static void dump_misc_regs(struct amd64_pvt *pvt) debug_display_dimm_sizes(pvt, 1); - 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)) debug_dump_dramcfg_low(pvt, pvt->dclr1, 1); } +/* Display and decode various NB registers for debug purposes. */ +static void dump_misc_regs(struct amd64_pvt *pvt) +{ + if (pvt->umc) + __dump_misc_regs_df(pvt); + else + __dump_misc_regs(pvt); + + edac_dbg(1, " DramHoleValid: %s\n", dhar_valid(pvt) ? "yes" : "no"); + + amd64_info("using %s syndromes.\n", + ((pvt->ecc_sym_sz == 8) ? "x8" : "x4")); +} + /* * See BKDG, F2x[1,0][5C:40], F2[1,0][6C:60] */ @@ -2001,8 +2078,9 @@ static void debug_display_dimm_sizes(struct amd64_pvt *pvt, u8 ctrl) size0 = 0; if (dcsb[dimm*2] & DCSB_CS_ENABLE) - /* For f15m60h, need multiplier for LRDIMM cs_size - * calculation. We pass 'dimm' value to the dbam_to_cs + /* + * For F15m60h, we need multiplier for LRDIMM cs_size + * calculation. We pass dimm value to the dbam_to_cs * mapper so we can find the multiplier from the * corresponding DCSM. */ @@ -2463,9 +2541,11 @@ static void __read_mc_regs_df(struct amd64_pvt *pvt) umc_base = get_umc_base(i); umc = &pvt->umc[i]; + amd_smn_read(nid, umc_base + UMCCH_DIMM_CFG, &umc->dimm_cfg); + amd_smn_read(nid, umc_base + UMCCH_UMC_CFG, &umc->umc_cfg); amd_smn_read(nid, umc_base + UMCCH_SDP_CTRL, &umc->sdp_ctrl); amd_smn_read(nid, umc_base + UMCCH_ECC_CTRL, &umc->ecc_ctrl); - amd_smn_read(nid, umc_base + UMCCH_DIMM_CFG, &umc->dimm_cfg); + amd_smn_read(nid, umc_base + UMCCH_UMC_CAP_HI, &umc->umc_cap_hi); } } |