From 4ed05f027de1969a1fab49568ede8d6a49ac07f8 Mon Sep 17 00:00:00 2001 From: Pu Wen Date: Fri, 10 Jan 2020 11:42:28 +0800 Subject: [PATCH 0494/2944] HYGON: EDAC, amd64: Add Hygon Dhyana support commit c4a3e94641449362ee970f521a2cdb0e8cd08690 upstream. Add support for Hygon Dhyana CPU to EDAC. Signed-off-by: Pu Wen Signed-off-by: Borislav Petkov Cc: mchehab@kernel.org Cc: tglx@linutronix.de Cc: mingo@redhat.com Cc: hpa@zytor.com Cc: thomas.lendacky@amd.com Cc: linux-edac@vger.kernel.org Link: https://lkml.kernel.org/r/9d71061301177822bc55b3bfd44f91057458d886.1537533369.git.puwen@hygon.cn Acked-by: Caspar Zhang --- drivers/edac/amd64_edac.c | 10 +++++++++- drivers/edac/mce_amd.c | 4 +++- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 4a3ce61..3576c28 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -214,7 +214,7 @@ static int __set_scrub_rate(struct amd64_pvt *pvt, u32 new_bw, u32 min_rate) scrubval = scrubrates[i].scrubval; - if (pvt->fam == 0x17) { + if (pvt->fam == 0x17 || pvt->fam == 0x18) { __f17h_set_scrubval(pvt, scrubval); } else if (pvt->fam == 0x15 && pvt->model == 0x60) { f15h_select_dct(pvt, 0); @@ -267,6 +267,7 @@ static int get_scrub_rate(struct mem_ctl_info *mci) break; case 0x17: + case 0x18: amd64_read_pci_cfg(pvt->F6, F17H_SCR_BASE_ADDR, &scrubval); if (scrubval & BIT(0)) { amd64_read_pci_cfg(pvt->F6, F17H_SCR_LIMIT_ADDR, &scrubval); @@ -1081,6 +1082,7 @@ static void determine_memory_type(struct amd64_pvt *pvt) goto ddr3; case 0x17: + case 0x18: if ((pvt->umc[0].dimm_cfg | pvt->umc[1].dimm_cfg) & BIT(5)) pvt->dram_type = MEM_LRDDR4; else if ((pvt->umc[0].dimm_cfg | pvt->umc[1].dimm_cfg) & BIT(4)) @@ -3254,8 +3256,13 @@ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt) pvt->ops = &family_types[F17_M30H_CPUS].ops; break; } + /* fall through */ + case 0x18: fam_type = &family_types[F17_CPUS]; pvt->ops = &family_types[F17_CPUS].ops; + + if (pvt->fam == 0x18) + family_types[F17_CPUS].ctl_name = "F18h"; break; default: @@ -3516,6 +3523,7 @@ static void setup_pci_device(void) { X86_VENDOR_AMD, 0x15, X86_MODEL_ANY, X86_FEATURE_ANY, 0 }, { X86_VENDOR_AMD, 0x16, X86_MODEL_ANY, X86_FEATURE_ANY, 0 }, { X86_VENDOR_AMD, 0x17, X86_MODEL_ANY, X86_FEATURE_ANY, 0 }, + { X86_VENDOR_HYGON, 0x18, X86_MODEL_ANY, X86_FEATURE_ANY, 0 }, { } }; MODULE_DEVICE_TABLE(x86cpu, amd64_cpuids); diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c index 97930b9..c1aa006 100644 --- a/drivers/edac/mce_amd.c +++ b/drivers/edac/mce_amd.c @@ -1153,7 +1153,8 @@ static int __init mce_amd_init(void) { struct cpuinfo_x86 *c = &boot_cpu_data; - if (c->x86_vendor != X86_VENDOR_AMD) + if (c->x86_vendor != X86_VENDOR_AMD && + c->x86_vendor != X86_VENDOR_HYGON) return -ENODEV; fam_ops = kzalloc(sizeof(struct amd_decoder_ops), GFP_KERNEL); @@ -1207,6 +1208,7 @@ static int __init mce_amd_init(void) break; case 0x17: + case 0x18: xec_mask = 0x3f; if (!boot_cpu_has(X86_FEATURE_SMCA)) { printk(KERN_WARNING "Decoding supported only on Scalable MCA processors.\n"); -- 1.8.3.1