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authorQiuxu Zhuo <qiuxu.zhuo@intel.com>2021-06-11 19:01:21 +0200
committerTony Luck <tony.luck@intel.com>2021-06-18 03:19:46 +0200
commit4e591c056819850366d2fcb642f4f40dd4eef93a (patch)
treecf1f96b61d98b8c6723305dc0c30728c37d895c8 /drivers/edac
parentEDAC/i10nm: Add support for high bandwidth memory (diff)
downloadlinux-4e591c056819850366d2fcb642f4f40dd4eef93a.tar.xz
linux-4e591c056819850366d2fcb642f4f40dd4eef93a.zip
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.c29
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);