diff mbox series

[v4,2/3] hwmon: (peci/cputemp) Add Intel Sapphire Rapids support

Message ID 20230725104354.33920-2-Naresh.Solanki@9elements.com
State New
Headers
Series [v4,1/3] peci: cpu: Add Intel Sapphire Rapids support |

Commit Message

Naresh Solanki July 25, 2023, 10:43 a.m. UTC 
  From: Patrick Rudolph <patrick.rudolph@9elements.com>

Add support to read DTS for reading Intel Sapphire Rapids platform.

Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Iwona Winiarska <iwona.winiarska@intel.com>
---
Chagnes in V3:
- Update Acked-by in commit message.
Changes in V2:
- Refactored from previous patchset as seperate patch based on subsystem.
---
 drivers/hwmon/peci/cputemp.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
diff mbox series

Patch

diff --git a/drivers/hwmon/peci/cputemp.c b/drivers/hwmon/peci/cputemp.c
index e5b65a382772..a812c15948d9 100644
--- a/drivers/hwmon/peci/cputemp.c
+++ b/drivers/hwmon/peci/cputemp.c
@@ -363,6 +363,7 @@  static int init_core_mask(struct peci_cputemp *priv)
 	switch (peci_dev->info.model) {
 	case INTEL_FAM6_ICELAKE_X:
 	case INTEL_FAM6_ICELAKE_D:
+	case INTEL_FAM6_SAPPHIRERAPIDS_X:
 		ret = peci_ep_pci_local_read(peci_dev, 0, reg->bus, reg->dev,
 					     reg->func, reg->offset + 4, &data);
 		if (ret)
@@ -531,6 +532,13 @@  static struct resolved_cores_reg resolved_cores_reg_icx = {
 	.offset = 0xd0,
 };
 
+static struct resolved_cores_reg resolved_cores_reg_spr = {
+	.bus = 31,
+	.dev = 30,
+	.func = 6,
+	.offset = 0x80,
+};
+
 static const struct cpu_info cpu_hsx = {
 	.reg		= &resolved_cores_reg_hsx,
 	.min_peci_revision = 0x33,
@@ -549,6 +557,12 @@  static const struct cpu_info cpu_icx = {
 	.thermal_margin_to_millidegree = &dts_ten_dot_six_to_millidegree,
 };
 
+static const struct cpu_info cpu_spr = {
+	.reg		= &resolved_cores_reg_spr,
+	.min_peci_revision = 0x40,
+	.thermal_margin_to_millidegree = &dts_ten_dot_six_to_millidegree,
+};
+
 static const struct auxiliary_device_id peci_cputemp_ids[] = {
 	{
 		.name = "peci_cpu.cputemp.hsx",
@@ -574,6 +588,10 @@  static const struct auxiliary_device_id peci_cputemp_ids[] = {
 		.name = "peci_cpu.cputemp.icxd",
 		.driver_data = (kernel_ulong_t)&cpu_icx,
 	},
+	{
+		.name = "peci_cpu.cputemp.spr",
+		.driver_data = (kernel_ulong_t)&cpu_spr,
+	},
 	{ }
 };
 MODULE_DEVICE_TABLE(auxiliary, peci_cputemp_ids);