diff options
Diffstat (limited to 'drivers/edac/igen6_edac.c')
| -rw-r--r-- | drivers/edac/igen6_edac.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/edac/igen6_edac.c b/drivers/edac/igen6_edac.c index d336ba53e67c..2b0ecdeba5cd 100644 --- a/drivers/edac/igen6_edac.c +++ b/drivers/edac/igen6_edac.c @@ -58,6 +58,7 @@ /* Capability register E */ #define CAPID_E_OFFSET 0xf0 #define CAPID_E_IBECC BIT(12) +#define CAPID_E_IBECC_BIT18 BIT(18) /* Error Status */ #define ERRSTS_OFFSET 0xc8 @@ -251,6 +252,11 @@ static struct work_struct ecclog_work; #define DID_MTL_PS_SKU3 0x7d23 #define DID_MTL_PS_SKU4 0x7d24 +/* Compute die IDs for Meteor Lake-P with IBECC */ +#define DID_MTL_P_SKU1 0x7d01 +#define DID_MTL_P_SKU2 0x7d02 +#define DID_MTL_P_SKU3 0x7d14 + static int get_mchbar(struct pci_dev *pdev, u64 *mchbar) { union { @@ -331,6 +337,16 @@ static bool tgl_ibecc_available(struct pci_dev *pdev) return !(CAPID_E_IBECC & v); } +static bool mtl_p_ibecc_available(struct pci_dev *pdev) +{ + u32 v; + + if (pci_read_config_dword(pdev, CAPID_E_OFFSET, &v)) + return false; + + return !(CAPID_E_IBECC_BIT18 & v); +} + static bool mtl_ps_ibecc_available(struct pci_dev *pdev) { #define MCHBAR_MEMSS_IBECCDIS 0x13c00 @@ -524,6 +540,17 @@ static struct res_config mtl_ps_cfg = { .err_addr_to_imc_addr = adl_err_addr_to_imc_addr, }; +static struct res_config mtl_p_cfg = { + .machine_check = true, + .num_imc = 2, + .imc_base = 0xd800, + .ibecc_base = 0xd400, + .ibecc_error_log_offset = 0x170, + .ibecc_available = mtl_p_ibecc_available, + .err_addr_to_sys_addr = adl_err_addr_to_sys_addr, + .err_addr_to_imc_addr = adl_err_addr_to_imc_addr, +}; + static const struct pci_device_id igen6_pci_tbl[] = { { PCI_VDEVICE(INTEL, DID_EHL_SKU5), (kernel_ulong_t)&ehl_cfg }, { PCI_VDEVICE(INTEL, DID_EHL_SKU6), (kernel_ulong_t)&ehl_cfg }, @@ -565,6 +592,9 @@ static const struct pci_device_id igen6_pci_tbl[] = { { PCI_VDEVICE(INTEL, DID_MTL_PS_SKU2), (kernel_ulong_t)&mtl_ps_cfg }, { PCI_VDEVICE(INTEL, DID_MTL_PS_SKU3), (kernel_ulong_t)&mtl_ps_cfg }, { PCI_VDEVICE(INTEL, DID_MTL_PS_SKU4), (kernel_ulong_t)&mtl_ps_cfg }, + { PCI_VDEVICE(INTEL, DID_MTL_P_SKU1), (kernel_ulong_t)&mtl_p_cfg }, + { PCI_VDEVICE(INTEL, DID_MTL_P_SKU2), (kernel_ulong_t)&mtl_p_cfg }, + { PCI_VDEVICE(INTEL, DID_MTL_P_SKU3), (kernel_ulong_t)&mtl_p_cfg }, { }, }; MODULE_DEVICE_TABLE(pci, igen6_pci_tbl); |