linux-kernel - [PATCH 2/5] EDAC/igen6: Add Intel Alder Lake-N SoCs support

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Message-Id: <20231113085318.26783-3-qiuxu.zhuo@intel.com>
Date:   Mon, 13 Nov 2023 16:53:15 +0800
From:   Qiuxu Zhuo <qiuxu.zhuo@...el.com>
To:     Tony Luck <tony.luck@...el.com>
Cc:     Qiuxu Zhuo <qiuxu.zhuo@...el.com>, Borislav Petkov <bp@...en8.de>,
        Aristeu Rozanski <aris@...hat.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/5] EDAC/igen6: Add Intel Alder Lake-N SoCs support

Add Intel Alder Lake-N SoC compute die IDs for EDAC support.
Alder Lake-N, with one memory controller, is a reduced version of
Alder Lake-P, which has two memory controllers.

Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@...el.com>
---
 drivers/edac/igen6_edac.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/drivers/edac/igen6_edac.c b/drivers/edac/igen6_edac.c
index eadc3e559311..6e9b0cd076b4 100644
--- a/drivers/edac/igen6_edac.c
+++ b/drivers/edac/igen6_edac.c
@@ -222,6 +222,19 @@ static struct work_struct ecclog_work;
 #define DID_ADL_SKU3	0x4621
 #define DID_ADL_SKU4	0x4641
 
+/* Compute die IDs for Alder Lake-N with IBECC */
+#define DID_ADL_N_SKU1	0x4614
+#define DID_ADL_N_SKU2	0x4617
+#define DID_ADL_N_SKU3	0x461b
+#define DID_ADL_N_SKU4	0x461c
+#define DID_ADL_N_SKU5	0x4673
+#define DID_ADL_N_SKU6	0x4674
+#define DID_ADL_N_SKU7	0x4675
+#define DID_ADL_N_SKU8	0x4677
+#define DID_ADL_N_SKU9	0x4678
+#define DID_ADL_N_SKU10	0x4679
+#define DID_ADL_N_SKU11	0x467c
+
 static int get_mchbar(struct pci_dev *pdev, u64 *mchbar)
 {
 	union  {
@@ -433,6 +446,17 @@ static struct res_config adl_cfg = {
 	.err_addr_to_imc_addr	= adl_err_addr_to_imc_addr,
 };
 
+static struct res_config adl_n_cfg = {
+	.machine_check		= true,
+	.num_imc		= 1,
+	.imc_base		= 0xd800,
+	.ibecc_base		= 0xd400,
+	.ibecc_error_log_offset	= 0x68,
+	.ibecc_available	= tgl_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 },
@@ -454,6 +478,17 @@ static const struct pci_device_id igen6_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, DID_ADL_SKU2), (kernel_ulong_t)&adl_cfg },
 	{ PCI_VDEVICE(INTEL, DID_ADL_SKU3), (kernel_ulong_t)&adl_cfg },
 	{ PCI_VDEVICE(INTEL, DID_ADL_SKU4), (kernel_ulong_t)&adl_cfg },
+	{ PCI_VDEVICE(INTEL, DID_ADL_N_SKU1), (kernel_ulong_t)&adl_n_cfg },
+	{ PCI_VDEVICE(INTEL, DID_ADL_N_SKU2), (kernel_ulong_t)&adl_n_cfg },
+	{ PCI_VDEVICE(INTEL, DID_ADL_N_SKU3), (kernel_ulong_t)&adl_n_cfg },
+	{ PCI_VDEVICE(INTEL, DID_ADL_N_SKU4), (kernel_ulong_t)&adl_n_cfg },
+	{ PCI_VDEVICE(INTEL, DID_ADL_N_SKU5), (kernel_ulong_t)&adl_n_cfg },
+	{ PCI_VDEVICE(INTEL, DID_ADL_N_SKU6), (kernel_ulong_t)&adl_n_cfg },
+	{ PCI_VDEVICE(INTEL, DID_ADL_N_SKU7), (kernel_ulong_t)&adl_n_cfg },
+	{ PCI_VDEVICE(INTEL, DID_ADL_N_SKU8), (kernel_ulong_t)&adl_n_cfg },
+	{ PCI_VDEVICE(INTEL, DID_ADL_N_SKU9), (kernel_ulong_t)&adl_n_cfg },
+	{ PCI_VDEVICE(INTEL, DID_ADL_N_SKU10), (kernel_ulong_t)&adl_n_cfg },
+	{ PCI_VDEVICE(INTEL, DID_ADL_N_SKU11), (kernel_ulong_t)&adl_n_cfg },
 	{ },
 };
 MODULE_DEVICE_TABLE(pci, igen6_pci_tbl);
-- 
2.17.1