From: Patrick Rudolph <patrick.rudolph@xxxxxxxxxxxxx>
Add support to read DTS for reading Intel Sapphire Rapids platform.
Signed-off-by: Patrick Rudolph <patrick.rudolph@xxxxxxxxxxxxx>
Signed-off-by: Naresh Solanki <Naresh.Solanki@xxxxxxxxxxxxx>
Acked-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
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 --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);
--
2.41.0
