diff options
| author | Qiuxu Zhuo <qiuxu.zhuo@intel.com> | 2021-06-11 20:01:21 +0300 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2021-06-18 04:19:46 +0300 |
| commit | 4e591c056819850366d2fcb642f4f40dd4eef93a (patch) | |
| tree | cf1f96b61d98b8c6723305dc0c30728c37d895c8 /drivers/edac | |
| parent | c945088384d00e6eb61535cc4ba25bc062090909 (diff) | |
| download | linux-4e591c056819850366d2fcb642f4f40dd4eef93a.tar.xz | |
EDAC/igen6: Add Intel ICL-NNPI SoC support
The Ice Lake Neural Network Processor for Deep Learning Inference
(ICL-NNPI) SoC shares the same memory controller and In-Band ECC with
Elkhart Lake SoC. Add the ICL-NNPI compute die IDs for EDAC support.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20210611170123.1057025-5-tony.luck@intel.com
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/igen6_edac.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/edac/igen6_edac.c b/drivers/edac/igen6_edac.c index 6be9986fc6bd..0fedf2d206d3 100644 --- a/drivers/edac/igen6_edac.c +++ b/drivers/edac/igen6_edac.c @@ -183,6 +183,12 @@ static struct work_struct ecclog_work; #define DID_EHL_SKU14 0x4534 #define DID_EHL_SKU15 0x4536 +/* Compute die IDs for ICL-NNPI with IBECC */ +#define DID_ICL_SKU8 0x4581 +#define DID_ICL_SKU10 0x4585 +#define DID_ICL_SKU11 0x4589 +#define DID_ICL_SKU12 0x458d + static bool ehl_ibecc_available(struct pci_dev *pdev) { u32 v; @@ -212,6 +218,17 @@ static u64 ehl_err_addr_to_imc_addr(u64 eaddr) return eaddr; } +static bool icl_ibecc_available(struct pci_dev *pdev) +{ + u32 v; + + if (pci_read_config_dword(pdev, CAPID_C_OFFSET, &v)) + return false; + + return !(CAPID_C_IBECC & v) && + (boot_cpu_data.x86_stepping >= 1); +} + static struct res_config ehl_cfg = { .num_imc = 1, .ibecc_base = 0xdc00, @@ -220,6 +237,14 @@ static struct res_config ehl_cfg = { .err_addr_to_imc_addr = ehl_err_addr_to_imc_addr, }; +static struct res_config icl_cfg = { + .num_imc = 1, + .ibecc_base = 0xd800, + .ibecc_available = icl_ibecc_available, + .err_addr_to_sys_addr = ehl_err_addr_to_sys_addr, + .err_addr_to_imc_addr = ehl_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 }, @@ -232,6 +257,10 @@ static const struct pci_device_id igen6_pci_tbl[] = { { PCI_VDEVICE(INTEL, DID_EHL_SKU13), (kernel_ulong_t)&ehl_cfg }, { PCI_VDEVICE(INTEL, DID_EHL_SKU14), (kernel_ulong_t)&ehl_cfg }, { PCI_VDEVICE(INTEL, DID_EHL_SKU15), (kernel_ulong_t)&ehl_cfg }, + { PCI_VDEVICE(INTEL, DID_ICL_SKU8), (kernel_ulong_t)&icl_cfg }, + { PCI_VDEVICE(INTEL, DID_ICL_SKU10), (kernel_ulong_t)&icl_cfg }, + { PCI_VDEVICE(INTEL, DID_ICL_SKU11), (kernel_ulong_t)&icl_cfg }, + { PCI_VDEVICE(INTEL, DID_ICL_SKU12), (kernel_ulong_t)&icl_cfg }, { }, }; MODULE_DEVICE_TABLE(pci, igen6_pci_tbl); |