Commit 6807434f authored by Qiuxu Zhuo's avatar Qiuxu Zhuo Committed by Tony Luck
Browse files

EDAC/igen6: Add Intel Meteor Lake-P SoCs support 



Add Intel Meteor Lake-P SoC compute die IDs for EDAC support.
These Meteor Lake-P SoCs share similar IBECC registers with
Alder Lake-P SoCs.

Signed-off-by: default avatarQiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 3c77090c

drivers/edac/igen6_edac.c

+30 −0
Original line number Diff line number Diff line
@@ -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);