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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
This commit is contained in:
Qiuxu Zhuo 2021-06-11 10:01:21 -07:00 committed by Tony Luck
parent c945088384
commit 4e591c0568
1 changed files with 29 additions and 0 deletions
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29
drivers/edac/igen6_edac.c
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@ -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);