Hi Guenter,
On Mon, 10 Jul 2023 at 19:43, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
>
> On 7/10/23 09:27, Naresh Solanki wrote:
> > 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>
>
> This patch touches code outside the hwmon subsystem, so I won't be able
> to apply it without Ack from a maintainer.
Yes. I'll split the patch & resubmit.
~Naresh
>
> Guenter
>
> > ---
> > drivers/hwmon/peci/cputemp.c | 18 ++++++++++++++++++
> > drivers/peci/cpu.c | 5 +++++
> > 2 files changed, 23 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);
> > diff --git a/drivers/peci/cpu.c b/drivers/peci/cpu.c
> > index de4a7b3e5966..3668a908d259 100644
> > --- a/drivers/peci/cpu.c
> > +++ b/drivers/peci/cpu.c
> > @@ -318,6 +318,11 @@ static const struct peci_device_id peci_cpu_device_ids[] = {
> > .model = INTEL_FAM6_ICELAKE_X,
> > .data = "icx",
> > },
> > + { /* Sapphire Rapids Xeon */
> > + .family = 6,
> > + .model = INTEL_FAM6_SAPPHIRERAPIDS_X,
> > + .data = "spr",
> > + },
> > { /* Icelake Xeon D */
> > .family = 6,
> > .model = INTEL_FAM6_ICELAKE_D,
> >
> > base-commit: 4dbbaf8fbdbd13adc80731b2452257857e4c2d8b
>
